From 8634a234df2a9e93ed1de58bf59d2eb843d8f464 Mon Sep 17 00:00:00 2001 From: Joel Sing Date: Mon, 16 Nov 2020 04:47:56 +1100 Subject: runtime,syscall: convert syscall on openbsd/amd64 to libc Convert the syscall package on openbsd/amd64 to use libc rather than performing direct system calls. Updates #36435 Change-Id: Ieb5926a91ed34f7c722e3667004ec484c86804ef Reviewed-on: https://go-review.googlesource.com/c/go/+/270380 Trust: Joel Sing Reviewed-by: Cherry Zhang Run-TryBot: Cherry Zhang TryBot-Result: Go Bot --- src/runtime/sys_openbsd3.go | 113 ++++++++++++++ src/runtime/sys_openbsd_amd64.s | 333 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 446 insertions(+) create mode 100644 src/runtime/sys_openbsd3.go (limited to 'src/runtime') diff --git a/src/runtime/sys_openbsd3.go b/src/runtime/sys_openbsd3.go new file mode 100644 index 0000000000..a8f9b0ee14 --- /dev/null +++ b/src/runtime/sys_openbsd3.go @@ -0,0 +1,113 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build openbsd,amd64 + +package runtime + +import "unsafe" + +// The X versions of syscall expect the libc call to return a 64-bit result. +// Otherwise (the non-X version) expects a 32-bit result. +// This distinction is required because an error is indicated by returning -1, +// and we need to know whether to check 32 or 64 bits of the result. +// (Some libc functions that return 32 bits put junk in the upper 32 bits of AX.) + +//go:linkname syscall_syscall syscall.syscall +//go:nosplit +//go:cgo_unsafe_args +func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) { + entersyscall() + libcCall(unsafe.Pointer(funcPC(syscall)), unsafe.Pointer(&fn)) + exitsyscall() + return +} +func syscall() + +//go:linkname syscall_syscallX syscall.syscallX +//go:nosplit +//go:cgo_unsafe_args +func syscall_syscallX(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) { + entersyscall() + libcCall(unsafe.Pointer(funcPC(syscallX)), unsafe.Pointer(&fn)) + exitsyscall() + return +} +func syscallX() + +//go:linkname syscall_syscall6 syscall.syscall6 +//go:nosplit +//go:cgo_unsafe_args +func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { + entersyscall() + libcCall(unsafe.Pointer(funcPC(syscall6)), unsafe.Pointer(&fn)) + exitsyscall() + return +} +func syscall6() + +//go:linkname syscall_syscall6X syscall.syscall6X +//go:nosplit +//go:cgo_unsafe_args +func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { + entersyscall() + libcCall(unsafe.Pointer(funcPC(syscall6X)), unsafe.Pointer(&fn)) + exitsyscall() + return +} +func syscall6X() + +//go:linkname syscall_syscall10 syscall.syscall10 +//go:nosplit +//go:cgo_unsafe_args +func syscall_syscall10(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2, err uintptr) { + entersyscall() + libcCall(unsafe.Pointer(funcPC(syscall10)), unsafe.Pointer(&fn)) + exitsyscall() + return +} +func syscall10() + +//go:linkname syscall_syscall10X syscall.syscall10X +//go:nosplit +//go:cgo_unsafe_args +func syscall_syscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2, err uintptr) { + entersyscall() + libcCall(unsafe.Pointer(funcPC(syscall10X)), unsafe.Pointer(&fn)) + exitsyscall() + return +} +func syscall10X() + +//go:linkname syscall_rawSyscall syscall.rawSyscall +//go:nosplit +//go:cgo_unsafe_args +func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) { + libcCall(unsafe.Pointer(funcPC(syscall)), unsafe.Pointer(&fn)) + return +} + +//go:linkname syscall_rawSyscall6 syscall.rawSyscall6 +//go:nosplit +//go:cgo_unsafe_args +func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { + libcCall(unsafe.Pointer(funcPC(syscall6)), unsafe.Pointer(&fn)) + return +} + +//go:linkname syscall_rawSyscall6X syscall.rawSyscall6X +//go:nosplit +//go:cgo_unsafe_args +func syscall_rawSyscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { + libcCall(unsafe.Pointer(funcPC(syscall6X)), unsafe.Pointer(&fn)) + return +} + +//go:linkname syscall_rawSyscall10X syscall.rawSyscall10X +//go:nosplit +//go:cgo_unsafe_args +func syscall_rawSyscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2, err uintptr) { + libcCall(unsafe.Pointer(funcPC(syscall10X)), unsafe.Pointer(&fn)) + return +} diff --git a/src/runtime/sys_openbsd_amd64.s b/src/runtime/sys_openbsd_amd64.s index 4680a7f7aa..534645eec4 100644 --- a/src/runtime/sys_openbsd_amd64.s +++ b/src/runtime/sys_openbsd_amd64.s @@ -445,3 +445,336 @@ TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$0 MOVL $0xf1, 0xf1 // crash POPQ BP RET + +// syscall calls a function in libc on behalf of the syscall package. +// syscall takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall expects a 32-bit result and tests for 32-bit -1 +// to decide there was an error. +TEXT runtime·syscall(SB),NOSPLIT,$0 + PUSHQ BP + MOVQ SP, BP + SUBQ $16, SP + MOVQ (0*8)(DI), CX // fn + MOVQ (2*8)(DI), SI // a2 + MOVQ (3*8)(DI), DX // a3 + MOVQ DI, (SP) + MOVQ (1*8)(DI), DI // a1 + XORL AX, AX // vararg: say "no float args" + + CALL CX + + MOVQ (SP), DI + MOVQ AX, (4*8)(DI) // r1 + MOVQ DX, (5*8)(DI) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMPL AX, $-1 // Note: high 32 bits are junk + JNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVLQSX (AX), AX + MOVQ (SP), DI + MOVQ AX, (6*8)(DI) // err + +ok: + XORL AX, AX // no error (it's ignored anyway) + MOVQ BP, SP + POPQ BP + RET + +// syscallX calls a function in libc on behalf of the syscall package. +// syscallX takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscallX must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscallX is like syscall but expects a 64-bit result +// and tests for 64-bit -1 to decide there was an error. +TEXT runtime·syscallX(SB),NOSPLIT,$0 + PUSHQ BP + MOVQ SP, BP + SUBQ $16, SP + MOVQ (0*8)(DI), CX // fn + MOVQ (2*8)(DI), SI // a2 + MOVQ (3*8)(DI), DX // a3 + MOVQ DI, (SP) + MOVQ (1*8)(DI), DI // a1 + XORL AX, AX // vararg: say "no float args" + + CALL CX + + MOVQ (SP), DI + MOVQ AX, (4*8)(DI) // r1 + MOVQ DX, (5*8)(DI) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMPQ AX, $-1 + JNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVLQSX (AX), AX + MOVQ (SP), DI + MOVQ AX, (6*8)(DI) // err + +ok: + XORL AX, AX // no error (it's ignored anyway) + MOVQ BP, SP + POPQ BP + RET + +// syscall6 calls a function in libc on behalf of the syscall package. +// syscall6 takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall6 must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall6 expects a 32-bit result and tests for 32-bit -1 +// to decide there was an error. +TEXT runtime·syscall6(SB),NOSPLIT,$0 + PUSHQ BP + MOVQ SP, BP + SUBQ $16, SP + MOVQ (0*8)(DI), R11// fn + MOVQ (2*8)(DI), SI // a2 + MOVQ (3*8)(DI), DX // a3 + MOVQ (4*8)(DI), CX // a4 + MOVQ (5*8)(DI), R8 // a5 + MOVQ (6*8)(DI), R9 // a6 + MOVQ DI, (SP) + MOVQ (1*8)(DI), DI // a1 + XORL AX, AX // vararg: say "no float args" + + CALL R11 + + MOVQ (SP), DI + MOVQ AX, (7*8)(DI) // r1 + MOVQ DX, (8*8)(DI) // r2 + + CMPL AX, $-1 + JNE ok + + CALL libc_errno(SB) + MOVLQSX (AX), AX + MOVQ (SP), DI + MOVQ AX, (9*8)(DI) // err + +ok: + XORL AX, AX // no error (it's ignored anyway) + MOVQ BP, SP + POPQ BP + RET + +// syscall6X calls a function in libc on behalf of the syscall package. +// syscall6X takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall6X must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall6X is like syscall6 but expects a 64-bit result +// and tests for 64-bit -1 to decide there was an error. +TEXT runtime·syscall6X(SB),NOSPLIT,$0 + PUSHQ BP + MOVQ SP, BP + SUBQ $16, SP + MOVQ (0*8)(DI), R11// fn + MOVQ (2*8)(DI), SI // a2 + MOVQ (3*8)(DI), DX // a3 + MOVQ (4*8)(DI), CX // a4 + MOVQ (5*8)(DI), R8 // a5 + MOVQ (6*8)(DI), R9 // a6 + MOVQ DI, (SP) + MOVQ (1*8)(DI), DI // a1 + XORL AX, AX // vararg: say "no float args" + + CALL R11 + + MOVQ (SP), DI + MOVQ AX, (7*8)(DI) // r1 + MOVQ DX, (8*8)(DI) // r2 + + CMPQ AX, $-1 + JNE ok + + CALL libc_errno(SB) + MOVLQSX (AX), AX + MOVQ (SP), DI + MOVQ AX, (9*8)(DI) // err + +ok: + XORL AX, AX // no error (it's ignored anyway) + MOVQ BP, SP + POPQ BP + RET + +// syscall10 calls a function in libc on behalf of the syscall package. +// syscall10 takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// a7 uintptr +// a8 uintptr +// a9 uintptr +// a10 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall10 must be called on the g0 stack with the +// C calling convention (use libcCall). +TEXT runtime·syscall10(SB),NOSPLIT,$0 + PUSHQ BP + MOVQ SP, BP + SUBQ $48, SP + MOVQ (7*8)(DI), R10 // a7 + MOVQ (8*8)(DI), R11 // a8 + MOVQ (9*8)(DI), R12 // a9 + MOVQ (10*8)(DI), R13 // a10 + MOVQ R10, (1*8)(SP) // a7 + MOVQ R11, (2*8)(SP) // a8 + MOVQ R12, (3*8)(SP) // a9 + MOVQ R13, (4*8)(SP) // a10 + MOVQ (0*8)(DI), R11 // fn + MOVQ (2*8)(DI), SI // a2 + MOVQ (3*8)(DI), DX // a3 + MOVQ (4*8)(DI), CX // a4 + MOVQ (5*8)(DI), R8 // a5 + MOVQ (6*8)(DI), R9 // a6 + MOVQ DI, (SP) + MOVQ (1*8)(DI), DI // a1 + XORL AX, AX // vararg: say "no float args" + + CALL R11 + + MOVQ (SP), DI + MOVQ AX, (11*8)(DI) // r1 + MOVQ DX, (12*8)(DI) // r2 + + CMPL AX, $-1 + JNE ok + + CALL libc_errno(SB) + MOVLQSX (AX), AX + MOVQ (SP), DI + MOVQ AX, (13*8)(DI) // err + +ok: + XORL AX, AX // no error (it's ignored anyway) + MOVQ BP, SP + POPQ BP + RET + +// syscall10X calls a function in libc on behalf of the syscall package. +// syscall10X takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// a7 uintptr +// a8 uintptr +// a9 uintptr +// a10 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall10X must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall10X is like syscall10 but expects a 64-bit result +// and tests for 64-bit -1 to decide there was an error. +TEXT runtime·syscall10X(SB),NOSPLIT,$0 + PUSHQ BP + MOVQ SP, BP + SUBQ $48, SP + MOVQ (7*8)(DI), R10 // a7 + MOVQ (8*8)(DI), R11 // a8 + MOVQ (9*8)(DI), R12 // a9 + MOVQ (10*8)(DI), R13 // a10 + MOVQ R10, (1*8)(SP) // a7 + MOVQ R11, (2*8)(SP) // a8 + MOVQ R12, (3*8)(SP) // a9 + MOVQ R13, (4*8)(SP) // a10 + MOVQ (0*8)(DI), R11 // fn + MOVQ (2*8)(DI), SI // a2 + MOVQ (3*8)(DI), DX // a3 + MOVQ (4*8)(DI), CX // a4 + MOVQ (5*8)(DI), R8 // a5 + MOVQ (6*8)(DI), R9 // a6 + MOVQ DI, (SP) + MOVQ (1*8)(DI), DI // a1 + XORL AX, AX // vararg: say "no float args" + + CALL R11 + + MOVQ (SP), DI + MOVQ AX, (11*8)(DI) // r1 + MOVQ DX, (12*8)(DI) // r2 + + CMPQ AX, $-1 + JNE ok + + CALL libc_errno(SB) + MOVLQSX (AX), AX + MOVQ (SP), DI + MOVQ AX, (13*8)(DI) // err + +ok: + XORL AX, AX // no error (it's ignored anyway) + MOVQ BP, SP + POPQ BP + RET -- cgit v1.3 From 6c8fbfbdcfa48ca29926097b20767fe83409b3ed Mon Sep 17 00:00:00 2001 From: Joel Sing Date: Tue, 26 Jan 2021 17:52:19 +1100 Subject: runtime: convert openbsd/arm64 locking to libc Switch openbsd/arm64 to locking via libc, rather than performing direct system calls. Update #36435 Change-Id: I2f30432c4bc232224cf87dca750665b8c40c7b72 Reviewed-on: https://go-review.googlesource.com/c/go/+/286813 Trust: Joel Sing Reviewed-by: Cherry Zhang Run-TryBot: Cherry Zhang TryBot-Result: Go Bot --- src/runtime/os_openbsd_syscall1.go | 2 +- src/runtime/sys_openbsd1.go | 2 +- src/runtime/sys_openbsd_arm64.s | 43 +++++++++++++++++--------------------- 3 files changed, 21 insertions(+), 26 deletions(-) (limited to 'src/runtime') diff --git a/src/runtime/os_openbsd_syscall1.go b/src/runtime/os_openbsd_syscall1.go index 08928cfef4..b0bef4c504 100644 --- a/src/runtime/os_openbsd_syscall1.go +++ b/src/runtime/os_openbsd_syscall1.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,!amd64 +// +build openbsd,!amd64,!arm64 package runtime diff --git a/src/runtime/sys_openbsd1.go b/src/runtime/sys_openbsd1.go index a201a16c53..e2886218db 100644 --- a/src/runtime/sys_openbsd1.go +++ b/src/runtime/sys_openbsd1.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,amd64 +// +build openbsd,amd64 openbsd,arm64 package runtime diff --git a/src/runtime/sys_openbsd_arm64.s b/src/runtime/sys_openbsd_arm64.s index 2ec9d038ba..7e454a9867 100644 --- a/src/runtime/sys_openbsd_arm64.s +++ b/src/runtime/sys_openbsd_arm64.s @@ -188,6 +188,25 @@ TEXT runtime·pthread_create_trampoline(SB),NOSPLIT,$0 ADD $16, RSP RET +TEXT runtime·thrsleep_trampoline(SB),NOSPLIT,$0 + MOVW 8(R0), R1 // arg 2 - clock_id + MOVD 16(R0), R2 // arg 3 - abstime + MOVD 24(R0), R3 // arg 4 - lock + MOVD 32(R0), R4 // arg 5 - abort + MOVD 0(R0), R0 // arg 1 - id + CALL libc_thrsleep(SB) + RET + +TEXT runtime·thrwakeup_trampoline(SB),NOSPLIT,$0 + MOVW 8(R0), R1 // arg 2 - count + MOVD 0(R0), R0 // arg 1 - id + CALL libc_thrwakeup(SB) + RET + +TEXT runtime·sched_yield_trampoline(SB),NOSPLIT,$0 + CALL libc_sched_yield(SB) + RET + // Exit the entire program (like C exit) TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0 MOVW code+0(FP), R0 // arg 1 - status @@ -422,30 +441,6 @@ TEXT runtime·sigaltstack(SB),NOSPLIT,$0 MOVD R8, (R8) RET -TEXT runtime·osyield(SB),NOSPLIT,$0 - MOVD $298, R8 // sys_sched_yield - INVOKE_SYSCALL - RET - -TEXT runtime·thrsleep(SB),NOSPLIT,$0 - MOVD ident+0(FP), R0 // arg 1 - ident - MOVW clock_id+8(FP), R1 // arg 2 - clock_id - MOVD tsp+16(FP), R2 // arg 3 - tsp - MOVD lock+24(FP), R3 // arg 4 - lock - MOVD abort+32(FP), R4 // arg 5 - abort - MOVD $94, R8 // sys___thrsleep - INVOKE_SYSCALL - MOVW R0, ret+40(FP) - RET - -TEXT runtime·thrwakeup(SB),NOSPLIT,$0 - MOVD ident+0(FP), R0 // arg 1 - ident - MOVW n+8(FP), R1 // arg 2 - n - MOVD $301, R8 // sys___thrwakeup - INVOKE_SYSCALL - MOVW R0, ret+16(FP) - RET - TEXT runtime·sysctl(SB),NOSPLIT,$0 MOVD mib+0(FP), R0 // arg 1 - mib MOVW miblen+8(FP), R1 // arg 2 - miblen -- cgit v1.3 From cd176b361591420f84fcbcaaf0cf24351aed0995 Mon Sep 17 00:00:00 2001 From: Joel Sing Date: Tue, 26 Jan 2021 23:06:51 +1100 Subject: runtime: switch runtime to libc for openbsd/arm64 Use libc rather than performing direct system calls for the runtime on openbsd/arm64. Updates #36435 Change-Id: I8bd41dfec16209f2b9a83dda24b9a1e4b06757c6 Reviewed-on: https://go-review.googlesource.com/c/go/+/286814 Trust: Joel Sing Reviewed-by: Cherry Zhang --- src/runtime/defs_openbsd_arm64.go | 5 + src/runtime/os_openbsd_syscall2.go | 2 +- src/runtime/proc.go | 2 +- src/runtime/sys_openbsd2.go | 2 +- src/runtime/sys_openbsd_arm64.s | 485 +++++++++++++++---------------------- 5 files changed, 201 insertions(+), 295 deletions(-) (limited to 'src/runtime') diff --git a/src/runtime/defs_openbsd_arm64.go b/src/runtime/defs_openbsd_arm64.go index 63ea8dfecc..d2b947feb2 100644 --- a/src/runtime/defs_openbsd_arm64.go +++ b/src/runtime/defs_openbsd_arm64.go @@ -33,6 +33,11 @@ const ( _PTHREAD_CREATE_DETACHED = 0x1 + _F_SETFD = 0x2 + _F_GETFL = 0x3 + _F_SETFL = 0x4 + _FD_CLOEXEC = 0x1 + _SIGHUP = 0x1 _SIGINT = 0x2 _SIGQUIT = 0x3 diff --git a/src/runtime/os_openbsd_syscall2.go b/src/runtime/os_openbsd_syscall2.go index 74eb271c2c..ab940510af 100644 --- a/src/runtime/os_openbsd_syscall2.go +++ b/src/runtime/os_openbsd_syscall2.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,!amd64 +// +build openbsd,!amd64,!arm64 package runtime diff --git a/src/runtime/proc.go b/src/runtime/proc.go index d51dcb0d22..73a789c189 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -1213,7 +1213,7 @@ func usesLibcall() bool { case "aix", "darwin", "illumos", "ios", "solaris", "windows": return true case "openbsd": - return GOARCH == "amd64" + return GOARCH == "amd64" || GOARCH == "arm64" } return false } diff --git a/src/runtime/sys_openbsd2.go b/src/runtime/sys_openbsd2.go index 73592df226..474e7145e7 100644 --- a/src/runtime/sys_openbsd2.go +++ b/src/runtime/sys_openbsd2.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,amd64 +// +build openbsd,amd64 openbsd,arm64 package runtime diff --git a/src/runtime/sys_openbsd_arm64.s b/src/runtime/sys_openbsd_arm64.s index 7e454a9867..0fd983ef25 100644 --- a/src/runtime/sys_openbsd_arm64.s +++ b/src/runtime/sys_openbsd_arm64.s @@ -15,17 +15,6 @@ #define CLOCK_REALTIME $0 #define CLOCK_MONOTONIC $3 -// With OpenBSD 6.7 onwards, an arm64 syscall returns two instructions -// after the SVC instruction, to allow for a speculative execution -// barrier to be placed after the SVC without impacting performance. -// For now use hardware no-ops as this works with both older and newer -// kernels. After OpenBSD 6.8 is released this should be changed to -// speculation barriers. -#define INVOKE_SYSCALL \ - SVC; \ - NOOP; \ - NOOP - // mstart_stub is the first function executed on a new thread started by pthread_create. // It just does some low-level setup and then calls mstart. // Note: called with the C calling convention. @@ -188,6 +177,13 @@ TEXT runtime·pthread_create_trampoline(SB),NOSPLIT,$0 ADD $16, RSP RET +TEXT runtime·thrkill_trampoline(SB),NOSPLIT,$0 + MOVW 8(R0), R1 // arg 2 - signal + MOVD $0, R2 // arg 3 - tcb + MOVW 0(R0), R0 // arg 1 - tid + CALL libc_thrkill(SB) + RET + TEXT runtime·thrsleep_trampoline(SB),NOSPLIT,$0 MOVW 8(R0), R1 // arg 2 - clock_id MOVD 16(R0), R2 // arg 3 - abstime @@ -203,302 +199,207 @@ TEXT runtime·thrwakeup_trampoline(SB),NOSPLIT,$0 CALL libc_thrwakeup(SB) RET +TEXT runtime·exit_trampoline(SB),NOSPLIT,$0 + MOVW 0(R0), R0 // arg 1 - status + CALL libc_exit(SB) + MOVD $0, R0 // crash on failure + MOVD R0, (R0) + RET + +TEXT runtime·getthrid_trampoline(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + CALL libc_getthrid(SB) + MOVW R0, 0(R19) // return value + RET + +TEXT runtime·raiseproc_trampoline(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + CALL libc_getpid(SB) // arg 1 - pid + MOVW 0(R19), R1 // arg 2 - signal + CALL libc_kill(SB) + RET + TEXT runtime·sched_yield_trampoline(SB),NOSPLIT,$0 CALL libc_sched_yield(SB) RET -// Exit the entire program (like C exit) -TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0 - MOVW code+0(FP), R0 // arg 1 - status - MOVD $1, R8 // sys_exit - INVOKE_SYSCALL - BCC 3(PC) - MOVD $0, R0 // crash on syscall failure +TEXT runtime·mmap_trampoline(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + MOVD 0(R19), R0 // arg 1 - addr + MOVD 8(R19), R1 // arg 2 - len + MOVW 16(R19), R2 // arg 3 - prot + MOVW 20(R19), R3 // arg 4 - flags + MOVW 24(R19), R4 // arg 5 - fid + MOVW 28(R19), R5 // arg 6 - offset + CALL libc_mmap(SB) + MOVD $0, R1 + CMP $-1, R0 + BNE noerr + CALL libc_errno(SB) + MOVW (R0), R1 // errno + MOVD $0, R0 +noerr: + MOVD R0, 32(R19) + MOVD R1, 40(R19) + RET + +TEXT runtime·munmap_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - len + MOVD 0(R0), R0 // arg 1 - addr + CALL libc_munmap(SB) + CMP $-1, R0 + BNE 3(PC) + MOVD $0, R0 // crash on failure MOVD R0, (R0) RET -// func exitThread(wait *uint32) -TEXT runtime·exitThread(SB),NOSPLIT,$0 - MOVD wait+0(FP), R0 // arg 1 - notdead - MOVD $302, R8 // sys___threxit - INVOKE_SYSCALL - MOVD $0, R0 // crash on syscall failure +TEXT runtime·madvise_trampoline(SB), NOSPLIT, $0 + MOVD 8(R0), R1 // arg 2 - len + MOVW 16(R0), R2 // arg 3 - advice + MOVD 0(R0), R0 // arg 1 - addr + CALL libc_madvise(SB) + // ignore failure - maybe pages are locked + RET + +TEXT runtime·open_trampoline(SB),NOSPLIT,$0 + MOVW 8(R0), R1 // arg 2 - flags + MOVW 12(R0), R2 // arg 3 - mode + MOVD 0(R0), R0 // arg 1 - path + MOVD $0, R3 // varargs + CALL libc_open(SB) + RET + +TEXT runtime·close_trampoline(SB),NOSPLIT,$0 + MOVD 0(R0), R0 // arg 1 - fd + CALL libc_close(SB) + RET + +TEXT runtime·read_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - buf + MOVW 16(R0), R2 // arg 3 - count + MOVW 0(R0), R0 // arg 1 - fd + CALL libc_read(SB) + CMP $-1, R0 + BNE noerr + CALL libc_errno(SB) + MOVW (R0), R0 // errno + NEG R0, R0 // caller expects negative errno value +noerr: + RET + +TEXT runtime·write_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - buf + MOVW 16(R0), R2 // arg 3 - count + MOVW 0(R0), R0 // arg 1 - fd + CALL libc_write(SB) + CMP $-1, R0 + BNE noerr + CALL libc_errno(SB) + MOVW (R0), R0 // errno + NEG R0, R0 // caller expects negative errno value +noerr: + RET + +TEXT runtime·pipe2_trampoline(SB),NOSPLIT,$0 + MOVW 8(R0), R1 // arg 2 - flags + MOVD 0(R0), R0 // arg 1 - filedes + CALL libc_pipe2(SB) + CMP $-1, R0 + BNE noerr + CALL libc_errno(SB) + MOVW (R0), R0 // errno + NEG R0, R0 // caller expects negative errno value +noerr: + RET + +TEXT runtime·setitimer_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - new + MOVD 16(R0), R2 // arg 3 - old + MOVW 0(R0), R0 // arg 1 - which + CALL libc_setitimer(SB) + RET + +TEXT runtime·usleep_trampoline(SB),NOSPLIT,$0 + MOVD 0(R0), R0 // arg 1 - usec + CALL libc_usleep(SB) + RET + +TEXT runtime·sysctl_trampoline(SB),NOSPLIT,$0 + MOVW 8(R0), R1 // arg 2 - miblen + MOVD 16(R0), R2 // arg 3 - out + MOVD 24(R0), R3 // arg 4 - size + MOVD 32(R0), R4 // arg 5 - dst + MOVD 40(R0), R5 // arg 6 - ndst + MOVD 0(R0), R0 // arg 1 - mib + CALL libc_sysctl(SB) + RET + +TEXT runtime·kqueue_trampoline(SB),NOSPLIT,$0 + CALL libc_kqueue(SB) + RET + +TEXT runtime·kevent_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - keventt + MOVW 16(R0), R2 // arg 3 - nch + MOVD 24(R0), R3 // arg 4 - ev + MOVW 32(R0), R4 // arg 5 - nev + MOVD 40(R0), R5 // arg 6 - ts + MOVW 0(R0), R0 // arg 1 - kq + CALL libc_kevent(SB) + CMP $-1, R0 + BNE noerr + CALL libc_errno(SB) + MOVW (R0), R0 // errno + NEG R0, R0 // caller expects negative errno value +noerr: + RET + +TEXT runtime·clock_gettime_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - tp + MOVD 0(R0), R0 // arg 1 - clock_id + CALL libc_clock_gettime(SB) + CMP $-1, R0 + BNE 3(PC) + MOVD $0, R0 // crash on failure MOVD R0, (R0) - JMP 0(PC) - -TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0 - MOVD name+0(FP), R0 // arg 1 - path - MOVW mode+8(FP), R1 // arg 2 - mode - MOVW perm+12(FP), R2 // arg 3 - perm - MOVD $5, R8 // sys_open - INVOKE_SYSCALL - BCC 2(PC) - MOVW $-1, R0 - MOVW R0, ret+16(FP) - RET - -TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0 - MOVW fd+0(FP), R0 // arg 1 - fd - MOVD $6, R8 // sys_close - INVOKE_SYSCALL - BCC 2(PC) - MOVW $-1, R0 - MOVW R0, ret+8(FP) - RET - -TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0 - MOVW fd+0(FP), R0 // arg 1 - fd - MOVD p+8(FP), R1 // arg 2 - buf - MOVW n+16(FP), R2 // arg 3 - nbyte - MOVD $3, R8 // sys_read - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, ret+24(FP) - RET - -// func pipe() (r, w int32, errno int32) -TEXT runtime·pipe(SB),NOSPLIT|NOFRAME,$0-12 - MOVD $r+0(FP), R0 - MOVW $0, R1 - MOVD $101, R8 // sys_pipe2 - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, errno+8(FP) - RET - -// func pipe2(flags int32) (r, w int32, errno int32) -TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20 - MOVD $r+8(FP), R0 - MOVW flags+0(FP), R1 - MOVD $101, R8 // sys_pipe2 - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, errno+16(FP) - RET - -TEXT runtime·write1(SB),NOSPLIT|NOFRAME,$0 - MOVD fd+0(FP), R0 // arg 1 - fd - MOVD p+8(FP), R1 // arg 2 - buf - MOVW n+16(FP), R2 // arg 3 - nbyte - MOVD $4, R8 // sys_write - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, ret+24(FP) - RET - -TEXT runtime·usleep(SB),NOSPLIT,$24-4 - MOVWU usec+0(FP), R3 - MOVD R3, R5 - MOVW $1000000, R4 - UDIV R4, R3 - MOVD R3, 8(RSP) // tv_sec - MUL R3, R4 - SUB R4, R5 - MOVW $1000, R4 - MUL R4, R5 - MOVD R5, 16(RSP) // tv_nsec - - ADD $8, RSP, R0 // arg 1 - rqtp - MOVD $0, R1 // arg 2 - rmtp - MOVD $91, R8 // sys_nanosleep - INVOKE_SYSCALL - RET - -TEXT runtime·getthrid(SB),NOSPLIT,$0-4 - MOVD $299, R8 // sys_getthrid - INVOKE_SYSCALL - MOVW R0, ret+0(FP) - RET - -TEXT runtime·thrkill(SB),NOSPLIT,$0-16 - MOVW tid+0(FP), R0 // arg 1 - tid - MOVD sig+8(FP), R1 // arg 2 - signum - MOVW $0, R2 // arg 3 - tcb - MOVD $119, R8 // sys_thrkill - INVOKE_SYSCALL - RET - -TEXT runtime·raiseproc(SB),NOSPLIT,$0 - MOVD $20, R8 // sys_getpid - INVOKE_SYSCALL - // arg 1 - pid, already in R0 - MOVW sig+0(FP), R1 // arg 2 - signum - MOVD $122, R8 // sys_kill - INVOKE_SYSCALL - RET - -TEXT runtime·mmap(SB),NOSPLIT,$0 - MOVD addr+0(FP), R0 // arg 1 - addr - MOVD n+8(FP), R1 // arg 2 - len - MOVW prot+16(FP), R2 // arg 3 - prot - MOVW flags+20(FP), R3 // arg 4 - flags - MOVW fd+24(FP), R4 // arg 5 - fd - MOVW $0, R5 // arg 6 - pad - MOVW off+28(FP), R6 // arg 7 - offset - MOVD $197, R8 // sys_mmap - INVOKE_SYSCALL - MOVD $0, R1 - BCC 3(PC) - MOVD R0, R1 // if error, move to R1 - MOVD $0, R0 - MOVD R0, p+32(FP) - MOVD R1, err+40(FP) RET -TEXT runtime·munmap(SB),NOSPLIT,$0 - MOVD addr+0(FP), R0 // arg 1 - addr - MOVD n+8(FP), R1 // arg 2 - len - MOVD $73, R8 // sys_munmap - INVOKE_SYSCALL - BCC 3(PC) +TEXT runtime·fcntl_trampoline(SB),NOSPLIT,$0 + MOVW 4(R0), R1 // arg 2 - cmd + MOVW 8(R0), R2 // arg 3 - arg + MOVW 0(R0), R0 // arg 1 - fd + MOVD $0, R3 // vararg + CALL libc_fcntl(SB) + RET + +TEXT runtime·sigaction_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - new + MOVD 16(R0), R2 // arg 3 - old + MOVW 0(R0), R0 // arg 1 - sig + CALL libc_sigaction(SB) + CMP $-1, R0 + BNE 3(PC) MOVD $0, R0 // crash on syscall failure MOVD R0, (R0) RET -TEXT runtime·madvise(SB),NOSPLIT,$0 - MOVD addr+0(FP), R0 // arg 1 - addr - MOVD n+8(FP), R1 // arg 2 - len - MOVW flags+16(FP), R2 // arg 2 - flags - MOVD $75, R8 // sys_madvise - INVOKE_SYSCALL - BCC 2(PC) - MOVW $-1, R0 - MOVW R0, ret+24(FP) - RET - -TEXT runtime·setitimer(SB),NOSPLIT,$0 - MOVW mode+0(FP), R0 // arg 1 - mode - MOVD new+8(FP), R1 // arg 2 - new value - MOVD old+16(FP), R2 // arg 3 - old value - MOVD $69, R8 // sys_setitimer - INVOKE_SYSCALL - RET - -// func walltime1() (sec int64, nsec int32) -TEXT runtime·walltime1(SB), NOSPLIT, $32 - MOVW CLOCK_REALTIME, R0 // arg 1 - clock_id - MOVD $8(RSP), R1 // arg 2 - tp - MOVD $87, R8 // sys_clock_gettime - INVOKE_SYSCALL - - MOVD 8(RSP), R0 // sec - MOVD 16(RSP), R1 // nsec - MOVD R0, sec+0(FP) - MOVW R1, nsec+8(FP) - - RET - -// int64 nanotime1(void) so really -// void nanotime1(int64 *nsec) -TEXT runtime·nanotime1(SB),NOSPLIT,$32 - MOVW CLOCK_MONOTONIC, R0 // arg 1 - clock_id - MOVD $8(RSP), R1 // arg 2 - tp - MOVD $87, R8 // sys_clock_gettime - INVOKE_SYSCALL - - MOVW 8(RSP), R3 // sec - MOVW 16(RSP), R5 // nsec - - MOVD $1000000000, R4 - MUL R4, R3 - ADD R5, R3 - MOVD R3, ret+0(FP) - RET - -TEXT runtime·sigaction(SB),NOSPLIT,$0 - MOVW sig+0(FP), R0 // arg 1 - signum - MOVD new+8(FP), R1 // arg 2 - new sigaction - MOVD old+16(FP), R2 // arg 3 - old sigaction - MOVD $46, R8 // sys_sigaction - INVOKE_SYSCALL - BCC 3(PC) - MOVD $3, R0 // crash on syscall failure +TEXT runtime·sigprocmask_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - new + MOVD 16(R0), R2 // arg 3 - old + MOVW 0(R0), R0 // arg 1 - how + CALL libc_pthread_sigmask(SB) + CMP $-1, R0 + BNE 3(PC) + MOVD $0, R0 // crash on syscall failure MOVD R0, (R0) RET -TEXT runtime·obsdsigprocmask(SB),NOSPLIT,$0 - MOVW how+0(FP), R0 // arg 1 - mode - MOVW new+4(FP), R1 // arg 2 - new - MOVD $48, R8 // sys_sigprocmask - INVOKE_SYSCALL - BCC 3(PC) - MOVD $3, R8 // crash on syscall failure - MOVD R8, (R8) - MOVW R0, ret+8(FP) - RET - -TEXT runtime·sigaltstack(SB),NOSPLIT,$0 - MOVD new+0(FP), R0 // arg 1 - new sigaltstack - MOVD old+8(FP), R1 // arg 2 - old sigaltstack - MOVD $288, R8 // sys_sigaltstack - INVOKE_SYSCALL - BCC 3(PC) - MOVD $0, R8 // crash on syscall failure - MOVD R8, (R8) - RET - -TEXT runtime·sysctl(SB),NOSPLIT,$0 - MOVD mib+0(FP), R0 // arg 1 - mib - MOVW miblen+8(FP), R1 // arg 2 - miblen - MOVD out+16(FP), R2 // arg 3 - out - MOVD size+24(FP), R3 // arg 4 - size - MOVD dst+32(FP), R4 // arg 5 - dest - MOVD ndst+40(FP), R5 // arg 6 - newlen - MOVD $202, R8 // sys___sysctl - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, ret+48(FP) - RET - -// int32 runtime·kqueue(void); -TEXT runtime·kqueue(SB),NOSPLIT,$0 - MOVD $269, R8 // sys_kqueue - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, ret+0(FP) - RET - -// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout); -TEXT runtime·kevent(SB),NOSPLIT,$0 - MOVW kq+0(FP), R0 // arg 1 - kq - MOVD ch+8(FP), R1 // arg 2 - changelist - MOVW nch+16(FP), R2 // arg 3 - nchanges - MOVD ev+24(FP), R3 // arg 4 - eventlist - MOVW nev+32(FP), R4 // arg 5 - nevents - MOVD ts+40(FP), R5 // arg 6 - timeout - MOVD $72, R8 // sys_kevent - INVOKE_SYSCALL - BCC 2(PC) - NEG R0, R0 - MOVW R0, ret+48(FP) - RET - -// func closeonexec(fd int32) -TEXT runtime·closeonexec(SB),NOSPLIT,$0 - MOVW fd+0(FP), R0 // arg 1 - fd - MOVD $2, R1 // arg 2 - cmd (F_SETFD) - MOVD $1, R2 // arg 3 - arg (FD_CLOEXEC) - MOVD $92, R8 // sys_fcntl - INVOKE_SYSCALL - RET - -// func runtime·setNonblock(int32 fd) -TEXT runtime·setNonblock(SB),NOSPLIT|NOFRAME,$0-4 - MOVW fd+0(FP), R0 // arg 1 - fd - MOVD $3, R1 // arg 2 - cmd (F_GETFL) - MOVD $0, R2 // arg 3 - MOVD $92, R8 // sys_fcntl - INVOKE_SYSCALL - MOVD $4, R2 // O_NONBLOCK - ORR R0, R2 // arg 3 - flags - MOVW fd+0(FP), R0 // arg 1 - fd - MOVD $4, R1 // arg 2 - cmd (F_SETFL) - MOVD $92, R8 // sys_fcntl - INVOKE_SYSCALL +TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 - old + MOVD 0(R0), R0 // arg 1 - new + CALL libc_sigaltstack(SB) + CMP $-1, R0 + BNE 3(PC) + MOVD $0, R0 // crash on syscall failure + MOVD R0, (R0) RET -- cgit v1.3 From 8cfa01943a7f43493543efba81996221bb0f27f8 Mon Sep 17 00:00:00 2001 From: Nuno Cruces Date: Wed, 27 Jan 2021 19:02:37 +0000 Subject: runtime: block console ctrlhandler when the signal is handled Fixes #41884 I can confirm this change fixes my issue. I can't confirm that this doesn't break any and everything else. I see that this code has been tweaked repeatedly, so I would really welcome guidance into further testing. Change-Id: I1986dd0c2f30cfe10257f0d8c658988d6986f7a6 GitHub-Last-Rev: 92f02c96973e12f1472511bcf3c5ebb36c6b0440 GitHub-Pull-Request: golang/go#41886 Reviewed-on: https://go-review.googlesource.com/c/go/+/261057 Run-TryBot: Jason A. Donenfeld TryBot-Result: Go Bot Reviewed-by: Jason A. Donenfeld Trust: Jason A. Donenfeld Trust: Alex Brainman --- src/runtime/os_windows.go | 7 ++++ src/runtime/signal_windows_test.go | 64 ++++++++++++++++++++++++++++++ src/runtime/testdata/testwinsignal/main.go | 19 +++++++++ 3 files changed, 90 insertions(+) create mode 100644 src/runtime/testdata/testwinsignal/main.go (limited to 'src/runtime') diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go index 83d0d63e5d..e6b22e3167 100644 --- a/src/runtime/os_windows.go +++ b/src/runtime/os_windows.go @@ -46,6 +46,7 @@ const ( //go:cgo_import_dynamic runtime._SetThreadPriority SetThreadPriority%2 "kernel32.dll" //go:cgo_import_dynamic runtime._SetUnhandledExceptionFilter SetUnhandledExceptionFilter%1 "kernel32.dll" //go:cgo_import_dynamic runtime._SetWaitableTimer SetWaitableTimer%6 "kernel32.dll" +//go:cgo_import_dynamic runtime._Sleep Sleep%1 "kernel32.dll" //go:cgo_import_dynamic runtime._SuspendThread SuspendThread%1 "kernel32.dll" //go:cgo_import_dynamic runtime._SwitchToThread SwitchToThread%0 "kernel32.dll" //go:cgo_import_dynamic runtime._TlsAlloc TlsAlloc%0 "kernel32.dll" @@ -97,6 +98,7 @@ var ( _SetThreadPriority, _SetUnhandledExceptionFilter, _SetWaitableTimer, + _Sleep, _SuspendThread, _SwitchToThread, _TlsAlloc, @@ -1094,6 +1096,11 @@ func ctrlhandler1(_type uint32) uint32 { } if sigsend(s) { + if s == _SIGTERM { + // Windows terminates the process after this handler returns. + // Block indefinitely to give signal handlers a chance to clean up. + stdcall1(_Sleep, uintptr(_INFINITE)) + } return 1 } return 0 diff --git a/src/runtime/signal_windows_test.go b/src/runtime/signal_windows_test.go index a5a885c2f7..33a9b92ee7 100644 --- a/src/runtime/signal_windows_test.go +++ b/src/runtime/signal_windows_test.go @@ -11,6 +11,7 @@ import ( "os/exec" "path/filepath" "runtime" + "strconv" "strings" "syscall" "testing" @@ -79,6 +80,69 @@ func sendCtrlBreak(pid int) error { return nil } +// TestCtrlHandler tests that Go can gracefully handle closing the console window. +// See https://golang.org/issues/41884. +func TestCtrlHandler(t *testing.T) { + testenv.MustHaveGoBuild(t) + t.Parallel() + + // build go program + exe := filepath.Join(t.TempDir(), "test.exe") + cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", exe, "testdata/testwinsignal/main.go") + out, err := testenv.CleanCmdEnv(cmd).CombinedOutput() + if err != nil { + t.Fatalf("failed to build go exe: %v\n%s", err, out) + } + + // run test program + cmd = exec.Command(exe) + var stderr bytes.Buffer + cmd.Stderr = &stderr + outPipe, err := cmd.StdoutPipe() + if err != nil { + t.Fatalf("Failed to create stdout pipe: %v", err) + } + outReader := bufio.NewReader(outPipe) + + // in a new command window + const _CREATE_NEW_CONSOLE = 0x00000010 + cmd.SysProcAttr = &syscall.SysProcAttr{ + CreationFlags: _CREATE_NEW_CONSOLE, + HideWindow: true, + } + if err := cmd.Start(); err != nil { + t.Fatalf("Start failed: %v", err) + } + defer func() { + cmd.Process.Kill() + cmd.Wait() + }() + + // wait for child to be ready to receive signals + if line, err := outReader.ReadString('\n'); err != nil { + t.Fatalf("could not read stdout: %v", err) + } else if strings.TrimSpace(line) != "ready" { + t.Fatalf("unexpected message: %s", line) + } + + // gracefully kill pid, this closes the command window + if err := exec.Command("taskkill.exe", "/pid", strconv.Itoa(cmd.Process.Pid)).Run(); err != nil { + t.Fatalf("failed to kill: %v", err) + } + + // check child received, handled SIGTERM + if line, err := outReader.ReadString('\n'); err != nil { + t.Fatalf("could not read stdout: %v", err) + } else if expected, got := syscall.SIGTERM.String(), strings.TrimSpace(line); expected != got { + t.Fatalf("Expected '%s' got: %s", expected, got) + } + + // check child exited gracefully, did not timeout + if err := cmd.Wait(); err != nil { + t.Fatalf("Program exited with error: %v\n%s", err, &stderr) + } +} + // TestLibraryCtrlHandler tests that Go DLL allows calling program to handle console control events. // See https://golang.org/issues/35965. func TestLibraryCtrlHandler(t *testing.T) { diff --git a/src/runtime/testdata/testwinsignal/main.go b/src/runtime/testdata/testwinsignal/main.go new file mode 100644 index 0000000000..d8cd884ffa --- /dev/null +++ b/src/runtime/testdata/testwinsignal/main.go @@ -0,0 +1,19 @@ +package main + +import ( + "fmt" + "os" + "os/signal" + "time" +) + +func main() { + c := make(chan os.Signal, 1) + signal.Notify(c) + + fmt.Println("ready") + sig := <-c + + time.Sleep(time.Second) + fmt.Println(sig) +} -- cgit v1.3 From a5a5e2c968eb14335f4e46606d8edfbdbdcea728 Mon Sep 17 00:00:00 2001 From: Dan Scales Date: Mon, 25 Jan 2021 17:51:03 -0800 Subject: runtime: make sure to remove open-coded defer entries in all cases after a recover We add entries to the defer list at panic/goexit time on-the-fly for frames with open-coded defers. We do this so that we can correctly process open-coded defers and non-open-coded defers in the correct order during panics/goexits. But we need to remove entries for open-coded defers from the defer list when there is a recover, since those entries may never get removed otherwise and will get stale, since their corresponding defers may now be processed normally (inline). This bug here is that we were only removing higher-up stale entries during a recover if all defers in the current frame were done. But we could have more defers in the current frame (as the new test case shows). In this case, we need to leave the current defer entry around for use by deferreturn, but still remove any stale entries further along the chain. For bug 43921, simple change that we should abort the removal loop for any defer entry that is started (i.e. in process by a still not-recovered outer panic), even if it is not an open-coded defer. This change does not fix bug 43920, which looks to be a more complex fix. Fixes #43882 Fixes #43921 Change-Id: Ie05b2fa26973aa26b25c8899a2abc916090ee4f5 Reviewed-on: https://go-review.googlesource.com/c/go/+/286712 Run-TryBot: Dan Scales TryBot-Result: Go Bot Reviewed-by: Matthew Dempsky Reviewed-by: Keith Randall Trust: Dan Scales --- src/runtime/crash_test.go | 12 ++++++ src/runtime/defer_test.go | 28 ++++++++++++++ src/runtime/panic.go | 63 +++++++++++++++++-------------- src/runtime/testdata/testprog/deadlock.go | 39 +++++++++++++++++++ 4 files changed, 113 insertions(+), 29 deletions(-) (limited to 'src/runtime') diff --git a/src/runtime/crash_test.go b/src/runtime/crash_test.go index 58ad4f3eba..e5bd7973b7 100644 --- a/src/runtime/crash_test.go +++ b/src/runtime/crash_test.go @@ -294,6 +294,18 @@ func TestRecursivePanic4(t *testing.T) { } +func TestRecursivePanic5(t *testing.T) { + output := runTestProg(t, "testprog", "RecursivePanic5") + want := `first panic +second panic +panic: third panic +` + if !strings.HasPrefix(output, want) { + t.Fatalf("output does not start with %q:\n%s", want, output) + } + +} + func TestGoexitCrash(t *testing.T) { // External linking brings in cgo, causing deadlock detection not working. testenv.MustInternalLink(t) diff --git a/src/runtime/defer_test.go b/src/runtime/defer_test.go index 5ac0814564..9a40ea1984 100644 --- a/src/runtime/defer_test.go +++ b/src/runtime/defer_test.go @@ -410,3 +410,31 @@ func rec1(max int) { rec1(max - 1) } } + +func TestIssue43921(t *testing.T) { + defer func() { + expect(t, 1, recover()) + }() + func() { + // Prevent open-coded defers + for { + defer func() {}() + break + } + + defer func() { + defer func() { + expect(t, 4, recover()) + }() + panic(4) + }() + panic(1) + + }() +} + +func expect(t *testing.T, n int, err interface{}) { + if n != err { + t.Fatalf("have %v, want %v", err, n) + } +} diff --git a/src/runtime/panic.go b/src/runtime/panic.go index aed17d6fc6..5b2ccdd874 100644 --- a/src/runtime/panic.go +++ b/src/runtime/panic.go @@ -1000,37 +1000,42 @@ func gopanic(e interface{}) { } atomic.Xadd(&runningPanicDefers, -1) - if done { - // Remove any remaining non-started, open-coded - // defer entries after a recover, since the - // corresponding defers will be executed normally - // (inline). Any such entry will become stale once - // we run the corresponding defers inline and exit - // the associated stack frame. - d := gp._defer - var prev *_defer - for d != nil { - if d.openDefer { - if d.started { - // This defer is started but we - // are in the middle of a - // defer-panic-recover inside of - // it, so don't remove it or any - // further defer entries - break - } - if prev == nil { - gp._defer = d.link - } else { - prev.link = d.link - } - newd := d.link - freedefer(d) - d = newd + // Remove any remaining non-started, open-coded + // defer entries after a recover, since the + // corresponding defers will be executed normally + // (inline). Any such entry will become stale once + // we run the corresponding defers inline and exit + // the associated stack frame. + d := gp._defer + var prev *_defer + if !done { + // Skip our current frame, if not done. It is + // needed to complete any remaining defers in + // deferreturn() + prev = d + d = d.link + } + for d != nil { + if d.started { + // This defer is started but we + // are in the middle of a + // defer-panic-recover inside of + // it, so don't remove it or any + // further defer entries + break + } + if d.openDefer { + if prev == nil { + gp._defer = d.link } else { - prev = d - d = d.link + prev.link = d.link } + newd := d.link + freedefer(d) + d = newd + } else { + prev = d + d = d.link } } diff --git a/src/runtime/testdata/testprog/deadlock.go b/src/runtime/testdata/testprog/deadlock.go index 105d6a5faa..781acbd770 100644 --- a/src/runtime/testdata/testprog/deadlock.go +++ b/src/runtime/testdata/testprog/deadlock.go @@ -25,6 +25,7 @@ func init() { register("RecursivePanic2", RecursivePanic2) register("RecursivePanic3", RecursivePanic3) register("RecursivePanic4", RecursivePanic4) + register("RecursivePanic5", RecursivePanic5) register("GoexitExit", GoexitExit) register("GoNil", GoNil) register("MainGoroutineID", MainGoroutineID) @@ -160,6 +161,44 @@ func RecursivePanic4() { panic("first panic") } +// Test case where we have an open-coded defer higher up the stack (in two), and +// in the current function (three) we recover in a defer while we still have +// another defer to be processed. +func RecursivePanic5() { + one() + panic("third panic") +} + +//go:noinline +func one() { + two() +} + +//go:noinline +func two() { + defer func() { + }() + + three() +} + +//go:noinline +func three() { + defer func() { + }() + + defer func() { + fmt.Println(recover()) + }() + + defer func() { + fmt.Println(recover()) + panic("second panic") + }() + + panic("first panic") +} + func GoexitExit() { println("t1") go func() { -- cgit v1.3 From 376518d77fb5d718f90c8b66ea25660aa3734032 Mon Sep 17 00:00:00 2001 From: Joel Sing Date: Wed, 27 Jan 2021 01:48:47 +1100 Subject: runtime,syscall: convert syscall on openbsd/arm64 to libc Convert the syscall package on openbsd/arm64 to use libc rather than performing direct system calls. Updates #36435 Change-Id: I7e1da8537cea9ed9bf2676f181e56ae99383333f Reviewed-on: https://go-review.googlesource.com/c/go/+/286815 Trust: Joel Sing Reviewed-by: Cherry Zhang Run-TryBot: Cherry Zhang TryBot-Result: Go Bot --- src/runtime/sys_openbsd3.go | 2 +- src/runtime/sys_openbsd_arm64.s | 295 +++++++++++ src/syscall/asm_openbsd_arm64.s | 140 +---- src/syscall/exec_bsd.go | 2 +- src/syscall/exec_libc2.go | 2 +- src/syscall/mkall.sh | 5 +- src/syscall/syscall_openbsd1.go | 2 +- src/syscall/syscall_openbsd_libc.go | 2 +- src/syscall/zsyscall_openbsd_arm64.go | 941 +++++++++++++++++++++++++++++----- src/syscall/zsyscall_openbsd_arm64.s | 233 +++++++++ 10 files changed, 1372 insertions(+), 252 deletions(-) create mode 100644 src/syscall/zsyscall_openbsd_arm64.s (limited to 'src/runtime') diff --git a/src/runtime/sys_openbsd3.go b/src/runtime/sys_openbsd3.go index a8f9b0ee14..4d4c88e3ac 100644 --- a/src/runtime/sys_openbsd3.go +++ b/src/runtime/sys_openbsd3.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,amd64 +// +build openbsd,amd64 openbsd,arm64 package runtime diff --git a/src/runtime/sys_openbsd_arm64.s b/src/runtime/sys_openbsd_arm64.s index 0fd983ef25..9b4acc90a5 100644 --- a/src/runtime/sys_openbsd_arm64.s +++ b/src/runtime/sys_openbsd_arm64.s @@ -403,3 +403,298 @@ TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$0 MOVD $0, R0 // crash on syscall failure MOVD R0, (R0) RET + +// syscall calls a function in libc on behalf of the syscall package. +// syscall takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall expects a 32-bit result and tests for 32-bit -1 +// to decide there was an error. +TEXT runtime·syscall(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + + MOVD (0*8)(R19), R11 // fn + MOVD (1*8)(R19), R0 // a1 + MOVD (2*8)(R19), R1 // a2 + MOVD (3*8)(R19), R2 // a3 + MOVD $0, R3 // vararg + + CALL R11 + + MOVD R0, (4*8)(R19) // r1 + MOVD R1, (5*8)(R19) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMPW $-1, R0 + BNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVW (R0), R0 + MOVD R0, (6*8)(R19) // err + +ok: + RET + +// syscallX calls a function in libc on behalf of the syscall package. +// syscallX takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscallX must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscallX is like syscall but expects a 64-bit result +// and tests for 64-bit -1 to decide there was an error. +TEXT runtime·syscallX(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + + MOVD (0*8)(R19), R11 // fn + MOVD (1*8)(R19), R0 // a1 + MOVD (2*8)(R19), R1 // a2 + MOVD (3*8)(R19), R2 // a3 + MOVD $0, R3 // vararg + + CALL R11 + + MOVD R0, (4*8)(R19) // r1 + MOVD R1, (5*8)(R19) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMP $-1, R0 + BNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVW (R0), R0 + MOVD R0, (6*8)(R19) // err + +ok: + RET + +// syscall6 calls a function in libc on behalf of the syscall package. +// syscall6 takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall6 must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall6 expects a 32-bit result and tests for 32-bit -1 +// to decide there was an error. +TEXT runtime·syscall6(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + + MOVD (0*8)(R19), R11 // fn + MOVD (1*8)(R19), R0 // a1 + MOVD (2*8)(R19), R1 // a2 + MOVD (3*8)(R19), R2 // a3 + MOVD (4*8)(R19), R3 // a4 + MOVD (5*8)(R19), R4 // a5 + MOVD (6*8)(R19), R5 // a6 + MOVD $0, R6 // vararg + + CALL R11 + + MOVD R0, (7*8)(R19) // r1 + MOVD R1, (8*8)(R19) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMPW $-1, R0 + BNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVW (R0), R0 + MOVD R0, (9*8)(R19) // err + +ok: + RET + +// syscall6X calls a function in libc on behalf of the syscall package. +// syscall6X takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall6X must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall6X is like syscall6 but expects a 64-bit result +// and tests for 64-bit -1 to decide there was an error. +TEXT runtime·syscall6X(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + + MOVD (0*8)(R19), R11 // fn + MOVD (1*8)(R19), R0 // a1 + MOVD (2*8)(R19), R1 // a2 + MOVD (3*8)(R19), R2 // a3 + MOVD (4*8)(R19), R3 // a4 + MOVD (5*8)(R19), R4 // a5 + MOVD (6*8)(R19), R5 // a6 + MOVD $0, R6 // vararg + + CALL R11 + + MOVD R0, (7*8)(R19) // r1 + MOVD R1, (8*8)(R19) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMP $-1, R0 + BNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVW (R0), R0 + MOVD R0, (9*8)(R19) // err + +ok: + RET + +// syscall10 calls a function in libc on behalf of the syscall package. +// syscall10 takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// a7 uintptr +// a8 uintptr +// a9 uintptr +// a10 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall10 must be called on the g0 stack with the +// C calling convention (use libcCall). +TEXT runtime·syscall10(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + + MOVD (0*8)(R19), R11 // fn + MOVD (1*8)(R19), R0 // a1 + MOVD (2*8)(R19), R1 // a2 + MOVD (3*8)(R19), R2 // a3 + MOVD (4*8)(R19), R3 // a4 + MOVD (5*8)(R19), R4 // a5 + MOVD (6*8)(R19), R5 // a6 + MOVD (7*8)(R19), R6 // a7 + MOVD (8*8)(R19), R7 // a8 + MOVD (9*8)(R19), R8 // a9 + MOVD (10*8)(R19), R9 // a10 + MOVD $0, R10 // vararg + + CALL R11 + + MOVD R0, (11*8)(R19) // r1 + MOVD R1, (12*8)(R19) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMPW $-1, R0 + BNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVW (R0), R0 + MOVD R0, (13*8)(R19) // err + +ok: + RET + +// syscall10X calls a function in libc on behalf of the syscall package. +// syscall10X takes a pointer to a struct like: +// struct { +// fn uintptr +// a1 uintptr +// a2 uintptr +// a3 uintptr +// a4 uintptr +// a5 uintptr +// a6 uintptr +// a7 uintptr +// a8 uintptr +// a9 uintptr +// a10 uintptr +// r1 uintptr +// r2 uintptr +// err uintptr +// } +// syscall10X must be called on the g0 stack with the +// C calling convention (use libcCall). +// +// syscall10X is like syscall10 but expects a 64-bit result +// and tests for 64-bit -1 to decide there was an error. +TEXT runtime·syscall10X(SB),NOSPLIT,$0 + MOVD R0, R19 // pointer to args + + MOVD (0*8)(R19), R11 // fn + MOVD (1*8)(R19), R0 // a1 + MOVD (2*8)(R19), R1 // a2 + MOVD (3*8)(R19), R2 // a3 + MOVD (4*8)(R19), R3 // a4 + MOVD (5*8)(R19), R4 // a5 + MOVD (6*8)(R19), R5 // a6 + MOVD (7*8)(R19), R6 // a7 + MOVD (8*8)(R19), R7 // a8 + MOVD (9*8)(R19), R8 // a9 + MOVD (10*8)(R19), R9 // a10 + MOVD $0, R10 // vararg + + CALL R11 + + MOVD R0, (11*8)(R19) // r1 + MOVD R1, (12*8)(R19) // r2 + + // Standard libc functions return -1 on error + // and set errno. + CMP $-1, R0 + BNE ok + + // Get error code from libc. + CALL libc_errno(SB) + MOVW (R0), R0 + MOVD R0, (13*8)(R19) // err + +ok: + RET diff --git a/src/syscall/asm_openbsd_arm64.s b/src/syscall/asm_openbsd_arm64.s index dcbed10cbe..61595a11a3 100644 --- a/src/syscall/asm_openbsd_arm64.s +++ b/src/syscall/asm_openbsd_arm64.s @@ -4,127 +4,29 @@ #include "textflag.h" -// See comment in runtime/sys_openbsd_arm64.s re this construction. -#define INVOKE_SYSCALL \ - SVC; \ - NOOP; \ - NOOP +// +// System call support for ARM64, OpenBSD +// -// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64); -TEXT ·Syscall(SB),NOSPLIT,$0-56 - BL runtime·entersyscall(SB) - MOVD a1+8(FP), R0 - MOVD a2+16(FP), R1 - MOVD a3+24(FP), R2 - MOVD $0, R3 - MOVD $0, R4 - MOVD $0, R5 - MOVD trap+0(FP), R8 // syscall number - INVOKE_SYSCALL - BCC ok - MOVD $-1, R4 - MOVD R4, r1+32(FP) // r1 - MOVD ZR, r2+40(FP) // r2 - MOVD R0, err+48(FP) // errno - BL runtime·exitsyscall(SB) - RET -ok: - MOVD R0, r1+32(FP) // r1 - MOVD R1, r2+40(FP) // r2 - MOVD ZR, err+48(FP) // errno - BL runtime·exitsyscall(SB) - RET +// Provide these function names via assembly so they are provided as ABI0, +// rather than ABIInternal. -TEXT ·Syscall6(SB),NOSPLIT,$0-80 - BL runtime·entersyscall(SB) - MOVD a1+8(FP), R0 - MOVD a2+16(FP), R1 - MOVD a3+24(FP), R2 - MOVD a4+32(FP), R3 - MOVD a5+40(FP), R4 - MOVD a6+48(FP), R5 - MOVD trap+0(FP), R8 // syscall number - INVOKE_SYSCALL - BCC ok - MOVD $-1, R4 - MOVD R4, r1+56(FP) // r1 - MOVD ZR, r2+64(FP) // r2 - MOVD R0, err+72(FP) // errno - BL runtime·exitsyscall(SB) - RET -ok: - MOVD R0, r1+56(FP) // r1 - MOVD R1, r2+64(FP) // r2 - MOVD ZR, err+72(FP) // errno - BL runtime·exitsyscall(SB) - RET +// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) +TEXT ·Syscall(SB),NOSPLIT,$0-56 + JMP ·syscallInternal(SB) -TEXT ·Syscall9(SB),NOSPLIT,$0-104 - BL runtime·entersyscall(SB) - MOVD a1+8(FP), R0 - MOVD a2+16(FP), R1 - MOVD a3+24(FP), R2 - MOVD a4+32(FP), R3 - MOVD a5+40(FP), R4 - MOVD a6+48(FP), R5 - MOVD a7+56(FP), R6 - MOVD a8+64(FP), R7 - MOVD a9+72(FP), R8 // on stack - MOVD R8, 8(RSP) - MOVD num+0(FP), R8 // syscall number - INVOKE_SYSCALL - BCC ok - MOVD $-1, R4 - MOVD R4, r1+80(FP) // r1 - MOVD ZR, r2+88(FP) // r2 - MOVD R0, err+96(FP) // errno - BL runtime·exitsyscall(SB) - RET -ok: - MOVD R0, r1+80(FP) // r1 - MOVD R1, r2+88(FP) // r2 - MOVD ZR, err+96(FP) // errno - BL runtime·exitsyscall(SB) - RET +// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) +TEXT ·Syscall6(SB),NOSPLIT,$0-80 + JMP ·syscall6Internal(SB) -TEXT ·RawSyscall(SB),NOSPLIT,$0-56 - MOVD a1+8(FP), R0 - MOVD a2+16(FP), R1 - MOVD a3+24(FP), R2 - MOVD $0, R3 - MOVD $0, R4 - MOVD $0, R5 - MOVD trap+0(FP), R8 // syscall number - INVOKE_SYSCALL - BCC ok - MOVD $-1, R4 - MOVD R4, r1+32(FP) // r1 - MOVD ZR, r2+40(FP) // r2 - MOVD R0, err+48(FP) // errno - RET -ok: - MOVD R0, r1+32(FP) // r1 - MOVD R1, r2+40(FP) // r2 - MOVD ZR, err+48(FP) // errno - RET +// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) +TEXT ·RawSyscall(SB),NOSPLIT,$0-56 + JMP ·rawSyscallInternal(SB) -TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 - MOVD a1+8(FP), R0 - MOVD a2+16(FP), R1 - MOVD a3+24(FP), R2 - MOVD a4+32(FP), R3 - MOVD a5+40(FP), R4 - MOVD a6+48(FP), R5 - MOVD trap+0(FP), R8 // syscall number - INVOKE_SYSCALL - BCC ok - MOVD $-1, R4 - MOVD R4, r1+56(FP) // r1 - MOVD ZR, r2+64(FP) // r2 - MOVD R0, err+72(FP) // errno - RET -ok: - MOVD R0, r1+56(FP) // r1 - MOVD R1, r2+64(FP) // r2 - MOVD ZR, err+72(FP) // errno - RET +// func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) +TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 + JMP ·rawSyscall6Internal(SB) + +// func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) +TEXT ·Syscall9(SB),NOSPLIT,$0-104 + JMP ·syscall9Internal(SB) diff --git a/src/syscall/exec_bsd.go b/src/syscall/exec_bsd.go index 9069ef4613..940a81b58e 100644 --- a/src/syscall/exec_bsd.go +++ b/src/syscall/exec_bsd.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build dragonfly freebsd netbsd openbsd,!amd64 +// +build dragonfly freebsd netbsd openbsd,!amd64,!arm64 package syscall diff --git a/src/syscall/exec_libc2.go b/src/syscall/exec_libc2.go index 496e7cf4c3..45d3f85baf 100644 --- a/src/syscall/exec_libc2.go +++ b/src/syscall/exec_libc2.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build darwin openbsd,amd64 +// +build darwin openbsd,amd64 openbsd,arm64 package syscall diff --git a/src/syscall/mkall.sh b/src/syscall/mkall.sh index 87e5157416..d1e28efa8c 100755 --- a/src/syscall/mkall.sh +++ b/src/syscall/mkall.sh @@ -313,15 +313,16 @@ openbsd_arm) mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char" ;; openbsd_arm64) - GOOSARCH_in="syscall_openbsd1.go syscall_openbsd_$GOARCH.go" + GOOSARCH_in="syscall_openbsd_libc.go syscall_openbsd_$GOARCH.go" mkerrors="$mkerrors -m64" - mksyscall="./mksyscall.pl -openbsd" + mksyscall="./mksyscall.pl -openbsd -libc" mksysctl="./mksysctl_openbsd.pl" zsysctl="zsysctl_openbsd.go" mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl" # Let the type of C char be signed to make the bare syscall # API consistent between platforms. mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char" + mkasm="go run mkasm.go" ;; openbsd_mips64) GOOSARCH_in="syscall_openbsd1.go syscall_openbsd_$GOARCH.go" diff --git a/src/syscall/syscall_openbsd1.go b/src/syscall/syscall_openbsd1.go index d8065374fb..2c7d0f8c90 100644 --- a/src/syscall/syscall_openbsd1.go +++ b/src/syscall/syscall_openbsd1.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,!amd64 +// +build openbsd,!amd64,!arm64 package syscall diff --git a/src/syscall/syscall_openbsd_libc.go b/src/syscall/syscall_openbsd_libc.go index 191c7e0e43..2fcc2011bc 100644 --- a/src/syscall/syscall_openbsd_libc.go +++ b/src/syscall/syscall_openbsd_libc.go @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build openbsd,amd64 +// +build openbsd,amd64 openbsd,arm64 package syscall diff --git a/src/syscall/zsyscall_openbsd_arm64.go b/src/syscall/zsyscall_openbsd_arm64.go index 626ce17703..90a46f3c4b 100644 --- a/src/syscall/zsyscall_openbsd_arm64.go +++ b/src/syscall/zsyscall_openbsd_arm64.go @@ -1,4 +1,4 @@ -// mksyscall.pl -openbsd -tags openbsd,arm64 syscall_bsd.go syscall_openbsd.go syscall_openbsd_arm64.go +// mksyscall.pl -openbsd -libc -tags openbsd,arm64 syscall_bsd.go syscall_openbsd.go syscall_openbsd_libc.go syscall_openbsd_arm64.go // Code generated by the command above; DO NOT EDIT. // +build openbsd,arm64 @@ -10,7 +10,7 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getgroups(ngid int, gid *_Gid_t) (n int, err error) { - r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0) + r0, _, e1 := rawSyscall(funcPC(libc_getgroups_trampoline), uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -18,20 +18,30 @@ func getgroups(ngid int, gid *_Gid_t) (n int, err error) { return } +func libc_getgroups_trampoline() + +//go:linkname libc_getgroups libc_getgroups +//go:cgo_import_dynamic libc_getgroups getgroups "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func setgroups(ngid int, gid *_Gid_t) (err error) { - _, _, e1 := RawSyscall(SYS_SETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0) + _, _, e1 := rawSyscall(funcPC(libc_setgroups_trampoline), uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setgroups_trampoline() + +//go:linkname libc_setgroups libc_setgroups +//go:cgo_import_dynamic libc_setgroups setgroups "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) { - r0, _, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0) + r0, _, e1 := syscall6(funcPC(libc_wait4_trampoline), uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0) wpid = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -39,10 +49,15 @@ func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err return } +func libc_wait4_trampoline() + +//go:linkname libc_wait4 libc_wait4 +//go:cgo_import_dynamic libc_wait4 wait4 "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) { - r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) + r0, _, e1 := syscall(funcPC(libc_accept_trampoline), uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) fd = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -50,30 +65,45 @@ func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) { return } +func libc_accept_trampoline() + +//go:linkname libc_accept libc_accept +//go:cgo_import_dynamic libc_accept accept "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) { - _, _, e1 := Syscall(SYS_BIND, uintptr(s), uintptr(addr), uintptr(addrlen)) + _, _, e1 := syscall(funcPC(libc_bind_trampoline), uintptr(s), uintptr(addr), uintptr(addrlen)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_bind_trampoline() + +//go:linkname libc_bind libc_bind +//go:cgo_import_dynamic libc_bind bind "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) { - _, _, e1 := Syscall(SYS_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen)) + _, _, e1 := syscall(funcPC(libc_connect_trampoline), uintptr(s), uintptr(addr), uintptr(addrlen)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_connect_trampoline() + +//go:linkname libc_connect libc_connect +//go:cgo_import_dynamic libc_connect connect "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func socket(domain int, typ int, proto int) (fd int, err error) { - r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto)) + r0, _, e1 := rawSyscall(funcPC(libc_socket_trampoline), uintptr(domain), uintptr(typ), uintptr(proto)) fd = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -81,66 +111,101 @@ func socket(domain int, typ int, proto int) (fd int, err error) { return } +func libc_socket_trampoline() + +//go:linkname libc_socket libc_socket +//go:cgo_import_dynamic libc_socket socket "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) { - _, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0) + _, _, e1 := syscall6(funcPC(libc_getsockopt_trampoline), uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_getsockopt_trampoline() + +//go:linkname libc_getsockopt libc_getsockopt +//go:cgo_import_dynamic libc_getsockopt getsockopt "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) { - _, _, e1 := Syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0) + _, _, e1 := syscall6(funcPC(libc_setsockopt_trampoline), uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setsockopt_trampoline() + +//go:linkname libc_setsockopt libc_setsockopt +//go:cgo_import_dynamic libc_setsockopt setsockopt "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) { - _, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) + _, _, e1 := rawSyscall(funcPC(libc_getpeername_trampoline), uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) if e1 != 0 { err = errnoErr(e1) } return } +func libc_getpeername_trampoline() + +//go:linkname libc_getpeername libc_getpeername +//go:cgo_import_dynamic libc_getpeername getpeername "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) { - _, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) + _, _, e1 := rawSyscall(funcPC(libc_getsockname_trampoline), uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) if e1 != 0 { err = errnoErr(e1) } return } +func libc_getsockname_trampoline() + +//go:linkname libc_getsockname libc_getsockname +//go:cgo_import_dynamic libc_getsockname getsockname "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Shutdown(s int, how int) (err error) { - _, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(s), uintptr(how), 0) + _, _, e1 := syscall(funcPC(libc_shutdown_trampoline), uintptr(s), uintptr(how), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_shutdown_trampoline() + +//go:linkname libc_shutdown libc_shutdown +//go:cgo_import_dynamic libc_shutdown shutdown "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) { - _, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0) + _, _, e1 := rawSyscall6(funcPC(libc_socketpair_trampoline), uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_socketpair_trampoline() + +//go:linkname libc_socketpair libc_socketpair +//go:cgo_import_dynamic libc_socketpair socketpair "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) { @@ -150,7 +215,7 @@ func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Sockl } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen))) + r0, _, e1 := syscall6(funcPC(libc_recvfrom_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen))) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -158,6 +223,11 @@ func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Sockl return } +func libc_recvfrom_trampoline() + +//go:linkname libc_recvfrom libc_recvfrom +//go:cgo_import_dynamic libc_recvfrom recvfrom "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) { @@ -167,17 +237,22 @@ func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) ( } else { _p0 = unsafe.Pointer(&_zero) } - _, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen)) + _, _, e1 := syscall6(funcPC(libc_sendto_trampoline), uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_sendto_trampoline() + +//go:linkname libc_sendto libc_sendto +//go:cgo_import_dynamic libc_sendto sendto "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { - r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) + r0, _, e1 := syscall(funcPC(libc_recvmsg_trampoline), uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -185,10 +260,15 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { return } +func libc_recvmsg_trampoline() + +//go:linkname libc_recvmsg libc_recvmsg +//go:cgo_import_dynamic libc_recvmsg recvmsg "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) { - r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) + r0, _, e1 := syscall(funcPC(libc_sendmsg_trampoline), uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags)) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -196,10 +276,15 @@ func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) { return } +func libc_sendmsg_trampoline() + +//go:linkname libc_sendmsg libc_sendmsg +//go:cgo_import_dynamic libc_sendmsg sendmsg "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) { - r0, _, e1 := Syscall6(SYS_KEVENT, uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout))) + r0, _, e1 := syscall6(funcPC(libc_kevent_trampoline), uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout))) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -207,6 +292,11 @@ func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, ne return } +func libc_kevent_trampoline() + +//go:linkname libc_kevent libc_kevent +//go:cgo_import_dynamic libc_kevent kevent "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func utimes(path string, timeval *[2]Timeval) (err error) { @@ -215,27 +305,37 @@ func utimes(path string, timeval *[2]Timeval) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0) + _, _, e1 := syscall(funcPC(libc_utimes_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_utimes_trampoline() + +//go:linkname libc_utimes libc_utimes +//go:cgo_import_dynamic libc_utimes utimes "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func futimes(fd int, timeval *[2]Timeval) (err error) { - _, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0) + _, _, e1 := syscall(funcPC(libc_futimes_trampoline), uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_futimes_trampoline() + +//go:linkname libc_futimes libc_futimes +//go:cgo_import_dynamic libc_futimes futimes "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func fcntl(fd int, cmd int, arg int) (val int, err error) { - r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg)) + r0, _, e1 := syscall(funcPC(libc_fcntl_trampoline), uintptr(fd), uintptr(cmd), uintptr(arg)) val = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -243,20 +343,30 @@ func fcntl(fd int, cmd int, arg int) (val int, err error) { return } +func libc_fcntl_trampoline() + +//go:linkname libc_fcntl libc_fcntl +//go:cgo_import_dynamic libc_fcntl fcntl "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func pipe2(p *[2]_C_int, flags int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) + _, _, e1 := rawSyscall(funcPC(libc_pipe2_trampoline), uintptr(unsafe.Pointer(p)), uintptr(flags), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_pipe2_trampoline() + +//go:linkname libc_pipe2 libc_pipe2 +//go:cgo_import_dynamic libc_pipe2 pipe2 "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) { - r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0) + r0, _, e1 := syscall6(funcPC(libc_accept4_trampoline), uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0) nfd = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -264,6 +374,11 @@ func accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int return } +func libc_accept4_trampoline() + +//go:linkname libc_accept4 libc_accept4 +//go:cgo_import_dynamic libc_accept4 accept4 "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getdents(fd int, buf []byte) (n int, err error) { @@ -273,7 +388,7 @@ func getdents(fd int, buf []byte) (n int, err error) { } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall(SYS_GETDENTS, uintptr(fd), uintptr(_p0), uintptr(len(buf))) + r0, _, e1 := syscall(funcPC(libc_getdents_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(buf))) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -281,6 +396,11 @@ func getdents(fd int, buf []byte) (n int, err error) { return } +func libc_getdents_trampoline() + +//go:linkname libc_getdents libc_getdents +//go:cgo_import_dynamic libc_getdents getdents "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Access(path string, mode uint32) (err error) { @@ -289,23 +409,33 @@ func Access(path string, mode uint32) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + _, _, e1 := syscall(funcPC(libc_access_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_access_trampoline() + +//go:linkname libc_access libc_access +//go:cgo_import_dynamic libc_access access "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Adjtime(delta *Timeval, olddelta *Timeval) (err error) { - _, _, e1 := Syscall(SYS_ADJTIME, uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0) + _, _, e1 := syscall(funcPC(libc_adjtime_trampoline), uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_adjtime_trampoline() + +//go:linkname libc_adjtime libc_adjtime +//go:cgo_import_dynamic libc_adjtime adjtime "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Chdir(path string) (err error) { @@ -314,13 +444,18 @@ func Chdir(path string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) + _, _, e1 := syscall(funcPC(libc_chdir_trampoline), uintptr(unsafe.Pointer(_p0)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_chdir_trampoline() + +//go:linkname libc_chdir libc_chdir +//go:cgo_import_dynamic libc_chdir chdir "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Chflags(path string, flags int) (err error) { @@ -329,13 +464,18 @@ func Chflags(path string, flags int) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0) + _, _, e1 := syscall(funcPC(libc_chflags_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_chflags_trampoline() + +//go:linkname libc_chflags libc_chflags +//go:cgo_import_dynamic libc_chflags chflags "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Chmod(path string, mode uint32) (err error) { @@ -344,13 +484,18 @@ func Chmod(path string, mode uint32) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + _, _, e1 := syscall(funcPC(libc_chmod_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_chmod_trampoline() + +//go:linkname libc_chmod libc_chmod +//go:cgo_import_dynamic libc_chmod chmod "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Chown(path string, uid int, gid int) (err error) { @@ -359,13 +504,18 @@ func Chown(path string, uid int, gid int) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) + _, _, e1 := syscall(funcPC(libc_chown_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_chown_trampoline() + +//go:linkname libc_chown libc_chown +//go:cgo_import_dynamic libc_chown chown "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Chroot(path string) (err error) { @@ -374,27 +524,37 @@ func Chroot(path string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0) + _, _, e1 := syscall(funcPC(libc_chroot_trampoline), uintptr(unsafe.Pointer(_p0)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_chroot_trampoline() + +//go:linkname libc_chroot libc_chroot +//go:cgo_import_dynamic libc_chroot chroot "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Close(fd int) (err error) { - _, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0) + _, _, e1 := syscall(funcPC(libc_close_trampoline), uintptr(fd), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_close_trampoline() + +//go:linkname libc_close libc_close +//go:cgo_import_dynamic libc_close close "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Dup(fd int) (nfd int, err error) { - r0, _, e1 := Syscall(SYS_DUP, uintptr(fd), 0, 0) + r0, _, e1 := syscall(funcPC(libc_dup_trampoline), uintptr(fd), 0, 0) nfd = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -402,70 +562,105 @@ func Dup(fd int) (nfd int, err error) { return } +func libc_dup_trampoline() + +//go:linkname libc_dup libc_dup +//go:cgo_import_dynamic libc_dup dup "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Dup2(from int, to int) (err error) { - _, _, e1 := Syscall(SYS_DUP2, uintptr(from), uintptr(to), 0) + _, _, e1 := syscall(funcPC(libc_dup2_trampoline), uintptr(from), uintptr(to), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_dup2_trampoline() + +//go:linkname libc_dup2 libc_dup2 +//go:cgo_import_dynamic libc_dup2 dup2 "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fchdir(fd int) (err error) { - _, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0) + _, _, e1 := syscall(funcPC(libc_fchdir_trampoline), uintptr(fd), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fchdir_trampoline() + +//go:linkname libc_fchdir libc_fchdir +//go:cgo_import_dynamic libc_fchdir fchdir "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fchflags(fd int, flags int) (err error) { - _, _, e1 := Syscall(SYS_FCHFLAGS, uintptr(fd), uintptr(flags), 0) + _, _, e1 := syscall(funcPC(libc_fchflags_trampoline), uintptr(fd), uintptr(flags), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fchflags_trampoline() + +//go:linkname libc_fchflags libc_fchflags +//go:cgo_import_dynamic libc_fchflags fchflags "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fchmod(fd int, mode uint32) (err error) { - _, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0) + _, _, e1 := syscall(funcPC(libc_fchmod_trampoline), uintptr(fd), uintptr(mode), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fchmod_trampoline() + +//go:linkname libc_fchmod libc_fchmod +//go:cgo_import_dynamic libc_fchmod fchmod "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fchown(fd int, uid int, gid int) (err error) { - _, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid)) + _, _, e1 := syscall(funcPC(libc_fchown_trampoline), uintptr(fd), uintptr(uid), uintptr(gid)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fchown_trampoline() + +//go:linkname libc_fchown libc_fchown +//go:cgo_import_dynamic libc_fchown fchown "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Flock(fd int, how int) (err error) { - _, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0) + _, _, e1 := syscall(funcPC(libc_flock_trampoline), uintptr(fd), uintptr(how), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_flock_trampoline() + +//go:linkname libc_flock libc_flock +//go:cgo_import_dynamic libc_flock flock "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fpathconf(fd int, name int) (val int, err error) { - r0, _, e1 := Syscall(SYS_FPATHCONF, uintptr(fd), uintptr(name), 0) + r0, _, e1 := syscall(funcPC(libc_fpathconf_trampoline), uintptr(fd), uintptr(name), 0) val = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -473,74 +668,114 @@ func Fpathconf(fd int, name int) (val int, err error) { return } +func libc_fpathconf_trampoline() + +//go:linkname libc_fpathconf libc_fpathconf +//go:cgo_import_dynamic libc_fpathconf fpathconf "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fstat(fd int, stat *Stat_t) (err error) { - _, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0) + _, _, e1 := syscall(funcPC(libc_fstat_trampoline), uintptr(fd), uintptr(unsafe.Pointer(stat)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fstat_trampoline() + +//go:linkname libc_fstat libc_fstat +//go:cgo_import_dynamic libc_fstat fstat "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fstatfs(fd int, stat *Statfs_t) (err error) { - _, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0) + _, _, e1 := syscall(funcPC(libc_fstatfs_trampoline), uintptr(fd), uintptr(unsafe.Pointer(stat)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fstatfs_trampoline() + +//go:linkname libc_fstatfs libc_fstatfs +//go:cgo_import_dynamic libc_fstatfs fstatfs "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Fsync(fd int) (err error) { - _, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0) + _, _, e1 := syscall(funcPC(libc_fsync_trampoline), uintptr(fd), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_fsync_trampoline() + +//go:linkname libc_fsync libc_fsync +//go:cgo_import_dynamic libc_fsync fsync "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Ftruncate(fd int, length int64) (err error) { - _, _, e1 := Syscall(SYS_FTRUNCATE, uintptr(fd), 0, uintptr(length)) + _, _, e1 := syscall(funcPC(libc_ftruncate_trampoline), uintptr(fd), uintptr(length), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_ftruncate_trampoline() + +//go:linkname libc_ftruncate libc_ftruncate +//go:cgo_import_dynamic libc_ftruncate ftruncate "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getegid() (egid int) { - r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_getegid_trampoline), 0, 0, 0) egid = int(r0) return } +func libc_getegid_trampoline() + +//go:linkname libc_getegid libc_getegid +//go:cgo_import_dynamic libc_getegid getegid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Geteuid() (uid int) { - r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_geteuid_trampoline), 0, 0, 0) uid = int(r0) return } +func libc_geteuid_trampoline() + +//go:linkname libc_geteuid libc_geteuid +//go:cgo_import_dynamic libc_geteuid geteuid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getgid() (gid int) { - r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_getgid_trampoline), 0, 0, 0) gid = int(r0) return } +func libc_getgid_trampoline() + +//go:linkname libc_getgid libc_getgid +//go:cgo_import_dynamic libc_getgid getgid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getpgid(pid int) (pgid int, err error) { - r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0) + r0, _, e1 := rawSyscall(funcPC(libc_getpgid_trampoline), uintptr(pid), 0, 0) pgid = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -548,34 +783,54 @@ func Getpgid(pid int) (pgid int, err error) { return } +func libc_getpgid_trampoline() + +//go:linkname libc_getpgid libc_getpgid +//go:cgo_import_dynamic libc_getpgid getpgid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getpgrp() (pgrp int) { - r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_getpgrp_trampoline), 0, 0, 0) pgrp = int(r0) return } +func libc_getpgrp_trampoline() + +//go:linkname libc_getpgrp libc_getpgrp +//go:cgo_import_dynamic libc_getpgrp getpgrp "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getpid() (pid int) { - r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_getpid_trampoline), 0, 0, 0) pid = int(r0) return } +func libc_getpid_trampoline() + +//go:linkname libc_getpid libc_getpid +//go:cgo_import_dynamic libc_getpid getpid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getppid() (ppid int) { - r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_getppid_trampoline), 0, 0, 0) ppid = int(r0) return } +func libc_getppid_trampoline() + +//go:linkname libc_getppid libc_getppid +//go:cgo_import_dynamic libc_getppid getppid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getpriority(which int, who int) (prio int, err error) { - r0, _, e1 := Syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0) + r0, _, e1 := syscall(funcPC(libc_getpriority_trampoline), uintptr(which), uintptr(who), 0) prio = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -583,30 +838,45 @@ func Getpriority(which int, who int) (prio int, err error) { return } +func libc_getpriority_trampoline() + +//go:linkname libc_getpriority libc_getpriority +//go:cgo_import_dynamic libc_getpriority getpriority "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getrlimit(which int, lim *Rlimit) (err error) { - _, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0) + _, _, e1 := rawSyscall(funcPC(libc_getrlimit_trampoline), uintptr(which), uintptr(unsafe.Pointer(lim)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_getrlimit_trampoline() + +//go:linkname libc_getrlimit libc_getrlimit +//go:cgo_import_dynamic libc_getrlimit getrlimit "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getrusage(who int, rusage *Rusage) (err error) { - _, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0) + _, _, e1 := rawSyscall(funcPC(libc_getrusage_trampoline), uintptr(who), uintptr(unsafe.Pointer(rusage)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_getrusage_trampoline() + +//go:linkname libc_getrusage libc_getrusage +//go:cgo_import_dynamic libc_getrusage getrusage "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getsid(pid int) (sid int, err error) { - r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0) + r0, _, e1 := rawSyscall(funcPC(libc_getsid_trampoline), uintptr(pid), 0, 0) sid = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -614,46 +884,71 @@ func Getsid(pid int) (sid int, err error) { return } +func libc_getsid_trampoline() + +//go:linkname libc_getsid libc_getsid +//go:cgo_import_dynamic libc_getsid getsid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Gettimeofday(tv *Timeval) (err error) { - _, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0) + _, _, e1 := rawSyscall(funcPC(libc_gettimeofday_trampoline), uintptr(unsafe.Pointer(tv)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_gettimeofday_trampoline() + +//go:linkname libc_gettimeofday libc_gettimeofday +//go:cgo_import_dynamic libc_gettimeofday gettimeofday "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Getuid() (uid int) { - r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0) + r0, _, _ := rawSyscall(funcPC(libc_getuid_trampoline), 0, 0, 0) uid = int(r0) return } +func libc_getuid_trampoline() + +//go:linkname libc_getuid libc_getuid +//go:cgo_import_dynamic libc_getuid getuid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Issetugid() (tainted bool) { - r0, _, _ := Syscall(SYS_ISSETUGID, 0, 0, 0) + r0, _, _ := syscall(funcPC(libc_issetugid_trampoline), 0, 0, 0) tainted = bool(r0 != 0) return } +func libc_issetugid_trampoline() + +//go:linkname libc_issetugid libc_issetugid +//go:cgo_import_dynamic libc_issetugid issetugid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Kill(pid int, signum Signal) (err error) { - _, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), 0) + _, _, e1 := syscall(funcPC(libc_kill_trampoline), uintptr(pid), uintptr(signum), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_kill_trampoline() + +//go:linkname libc_kill libc_kill +//go:cgo_import_dynamic libc_kill kill "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Kqueue() (fd int, err error) { - r0, _, e1 := Syscall(SYS_KQUEUE, 0, 0, 0) + r0, _, e1 := syscall(funcPC(libc_kqueue_trampoline), 0, 0, 0) fd = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -661,6 +956,11 @@ func Kqueue() (fd int, err error) { return } +func libc_kqueue_trampoline() + +//go:linkname libc_kqueue libc_kqueue +//go:cgo_import_dynamic libc_kqueue kqueue "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Lchown(path string, uid int, gid int) (err error) { @@ -669,13 +969,18 @@ func Lchown(path string, uid int, gid int) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) + _, _, e1 := syscall(funcPC(libc_lchown_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_lchown_trampoline() + +//go:linkname libc_lchown libc_lchown +//go:cgo_import_dynamic libc_lchown lchown "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Link(path string, link string) (err error) { @@ -689,23 +994,33 @@ func Link(path string, link string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0) + _, _, e1 := syscall(funcPC(libc_link_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_link_trampoline() + +//go:linkname libc_link libc_link +//go:cgo_import_dynamic libc_link link "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Listen(s int, backlog int) (err error) { - _, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0) + _, _, e1 := syscall(funcPC(libc_listen_trampoline), uintptr(s), uintptr(backlog), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_listen_trampoline() + +//go:linkname libc_listen libc_listen +//go:cgo_import_dynamic libc_listen listen "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Lstat(path string, stat *Stat_t) (err error) { @@ -714,13 +1029,18 @@ func Lstat(path string, stat *Stat_t) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) + _, _, e1 := syscall(funcPC(libc_lstat_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_lstat_trampoline() + +//go:linkname libc_lstat libc_lstat +//go:cgo_import_dynamic libc_lstat lstat "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Mkdir(path string, mode uint32) (err error) { @@ -729,13 +1049,18 @@ func Mkdir(path string, mode uint32) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + _, _, e1 := syscall(funcPC(libc_mkdir_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_mkdir_trampoline() + +//go:linkname libc_mkdir libc_mkdir +//go:cgo_import_dynamic libc_mkdir mkdir "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Mkfifo(path string, mode uint32) (err error) { @@ -744,13 +1069,18 @@ func Mkfifo(path string, mode uint32) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) + _, _, e1 := syscall(funcPC(libc_mkfifo_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_mkfifo_trampoline() + +//go:linkname libc_mkfifo libc_mkfifo +//go:cgo_import_dynamic libc_mkfifo mkfifo "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Mknod(path string, mode uint32, dev int) (err error) { @@ -759,23 +1089,33 @@ func Mknod(path string, mode uint32, dev int) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev)) + _, _, e1 := syscall(funcPC(libc_mknod_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_mknod_trampoline() + +//go:linkname libc_mknod libc_mknod +//go:cgo_import_dynamic libc_mknod mknod "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Nanosleep(time *Timespec, leftover *Timespec) (err error) { - _, _, e1 := Syscall(SYS_NANOSLEEP, uintptr(unsafe.Pointer(time)), uintptr(unsafe.Pointer(leftover)), 0) + _, _, e1 := syscall(funcPC(libc_nanosleep_trampoline), uintptr(unsafe.Pointer(time)), uintptr(unsafe.Pointer(leftover)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_nanosleep_trampoline() + +//go:linkname libc_nanosleep libc_nanosleep +//go:cgo_import_dynamic libc_nanosleep nanosleep "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Open(path string, mode int, perm uint32) (fd int, err error) { @@ -784,7 +1124,7 @@ func Open(path string, mode int, perm uint32) (fd int, err error) { if err != nil { return } - r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) + r0, _, e1 := syscall(funcPC(libc_open_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm)) fd = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -792,6 +1132,11 @@ func Open(path string, mode int, perm uint32) (fd int, err error) { return } +func libc_open_trampoline() + +//go:linkname libc_open libc_open +//go:cgo_import_dynamic libc_open open "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Pathconf(path string, name int) (val int, err error) { @@ -800,7 +1145,7 @@ func Pathconf(path string, name int) (val int, err error) { if err != nil { return } - r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0) + r0, _, e1 := syscall(funcPC(libc_pathconf_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(name), 0) val = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -808,6 +1153,11 @@ func Pathconf(path string, name int) (val int, err error) { return } +func libc_pathconf_trampoline() + +//go:linkname libc_pathconf libc_pathconf +//go:cgo_import_dynamic libc_pathconf pathconf "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Pread(fd int, p []byte, offset int64) (n int, err error) { @@ -817,7 +1167,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) { } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), 0) + r0, _, e1 := syscall6(funcPC(libc_pread_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -825,6 +1175,11 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) { return } +func libc_pread_trampoline() + +//go:linkname libc_pread libc_pread +//go:cgo_import_dynamic libc_pread pread "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Pwrite(fd int, p []byte, offset int64) (n int, err error) { @@ -834,7 +1189,7 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) { } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), 0) + r0, _, e1 := syscall6(funcPC(libc_pwrite_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), 0, 0) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -842,6 +1197,11 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) { return } +func libc_pwrite_trampoline() + +//go:linkname libc_pwrite libc_pwrite +//go:cgo_import_dynamic libc_pwrite pwrite "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func read(fd int, p []byte) (n int, err error) { @@ -851,7 +1211,7 @@ func read(fd int, p []byte) (n int, err error) { } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p))) + r0, _, e1 := syscall(funcPC(libc_read_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(p))) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -859,6 +1219,11 @@ func read(fd int, p []byte) (n int, err error) { return } +func libc_read_trampoline() + +//go:linkname libc_read libc_read +//go:cgo_import_dynamic libc_read read "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Readlink(path string, buf []byte) (n int, err error) { @@ -873,7 +1238,7 @@ func Readlink(path string, buf []byte) (n int, err error) { } else { _p1 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf))) + r0, _, e1 := syscall(funcPC(libc_readlink_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf))) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -881,6 +1246,11 @@ func Readlink(path string, buf []byte) (n int, err error) { return } +func libc_readlink_trampoline() + +//go:linkname libc_readlink libc_readlink +//go:cgo_import_dynamic libc_readlink readlink "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Rename(from string, to string) (err error) { @@ -894,13 +1264,18 @@ func Rename(from string, to string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0) + _, _, e1 := syscall(funcPC(libc_rename_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_rename_trampoline() + +//go:linkname libc_rename libc_rename +//go:cgo_import_dynamic libc_rename rename "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Revoke(path string) (err error) { @@ -909,13 +1284,18 @@ func Revoke(path string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0) + _, _, e1 := syscall(funcPC(libc_revoke_trampoline), uintptr(unsafe.Pointer(_p0)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_revoke_trampoline() + +//go:linkname libc_revoke libc_revoke +//go:cgo_import_dynamic libc_revoke revoke "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Rmdir(path string) (err error) { @@ -924,64 +1304,78 @@ func Rmdir(path string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0) + _, _, e1 := syscall(funcPC(libc_rmdir_trampoline), uintptr(unsafe.Pointer(_p0)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func libc_rmdir_trampoline() -func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { - r0, _, e1 := Syscall6(SYS_LSEEK, uintptr(fd), 0, uintptr(offset), uintptr(whence), 0, 0) - newoffset = int64(r0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} +//go:linkname libc_rmdir libc_rmdir +//go:cgo_import_dynamic libc_rmdir rmdir "libc.so" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) { - _, _, e1 := Syscall6(SYS_SELECT, uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0) + _, _, e1 := syscall6(funcPC(libc_select_trampoline), uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_select_trampoline() + +//go:linkname libc_select libc_select +//go:cgo_import_dynamic libc_select select "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setegid(egid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETEGID, uintptr(egid), 0, 0) + _, _, e1 := rawSyscall(funcPC(libc_setegid_trampoline), uintptr(egid), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setegid_trampoline() + +//go:linkname libc_setegid libc_setegid +//go:cgo_import_dynamic libc_setegid setegid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Seteuid(euid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETEUID, uintptr(euid), 0, 0) + _, _, e1 := rawSyscall(funcPC(libc_seteuid_trampoline), uintptr(euid), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_seteuid_trampoline() + +//go:linkname libc_seteuid libc_seteuid +//go:cgo_import_dynamic libc_seteuid seteuid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setgid(gid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0) + _, _, e1 := rawSyscall(funcPC(libc_setgid_trampoline), uintptr(gid), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setgid_trampoline() + +//go:linkname libc_setgid libc_setgid +//go:cgo_import_dynamic libc_setgid setgid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setlogin(name string) (err error) { @@ -990,67 +1384,97 @@ func Setlogin(name string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_SETLOGIN, uintptr(unsafe.Pointer(_p0)), 0, 0) + _, _, e1 := syscall(funcPC(libc_setlogin_trampoline), uintptr(unsafe.Pointer(_p0)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setlogin_trampoline() + +//go:linkname libc_setlogin libc_setlogin +//go:cgo_import_dynamic libc_setlogin setlogin "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setpgid(pid int, pgid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0) + _, _, e1 := rawSyscall(funcPC(libc_setpgid_trampoline), uintptr(pid), uintptr(pgid), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setpgid_trampoline() + +//go:linkname libc_setpgid libc_setpgid +//go:cgo_import_dynamic libc_setpgid setpgid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setpriority(which int, who int, prio int) (err error) { - _, _, e1 := Syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio)) + _, _, e1 := syscall(funcPC(libc_setpriority_trampoline), uintptr(which), uintptr(who), uintptr(prio)) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setpriority_trampoline() + +//go:linkname libc_setpriority libc_setpriority +//go:cgo_import_dynamic libc_setpriority setpriority "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setregid(rgid int, egid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0) + _, _, e1 := rawSyscall(funcPC(libc_setregid_trampoline), uintptr(rgid), uintptr(egid), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setregid_trampoline() + +//go:linkname libc_setregid libc_setregid +//go:cgo_import_dynamic libc_setregid setregid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setreuid(ruid int, euid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0) + _, _, e1 := rawSyscall(funcPC(libc_setreuid_trampoline), uintptr(ruid), uintptr(euid), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setreuid_trampoline() + +//go:linkname libc_setreuid libc_setreuid +//go:cgo_import_dynamic libc_setreuid setreuid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setrlimit(which int, lim *Rlimit) (err error) { - _, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0) + _, _, e1 := rawSyscall(funcPC(libc_setrlimit_trampoline), uintptr(which), uintptr(unsafe.Pointer(lim)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setrlimit_trampoline() + +//go:linkname libc_setrlimit libc_setrlimit +//go:cgo_import_dynamic libc_setrlimit setrlimit "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setsid() (pid int, err error) { - r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0) + r0, _, e1 := rawSyscall(funcPC(libc_setsid_trampoline), 0, 0, 0) pid = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -1058,26 +1482,41 @@ func Setsid() (pid int, err error) { return } +func libc_setsid_trampoline() + +//go:linkname libc_setsid libc_setsid +//go:cgo_import_dynamic libc_setsid setsid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Settimeofday(tp *Timeval) (err error) { - _, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0) + _, _, e1 := rawSyscall(funcPC(libc_settimeofday_trampoline), uintptr(unsafe.Pointer(tp)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_settimeofday_trampoline() + +//go:linkname libc_settimeofday libc_settimeofday +//go:cgo_import_dynamic libc_settimeofday settimeofday "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Setuid(uid int) (err error) { - _, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0) + _, _, e1 := rawSyscall(funcPC(libc_setuid_trampoline), uintptr(uid), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_setuid_trampoline() + +//go:linkname libc_setuid libc_setuid +//go:cgo_import_dynamic libc_setuid setuid "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Stat(path string, stat *Stat_t) (err error) { @@ -1086,13 +1525,18 @@ func Stat(path string, stat *Stat_t) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) + _, _, e1 := syscall(funcPC(libc_stat_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_stat_trampoline() + +//go:linkname libc_stat libc_stat +//go:cgo_import_dynamic libc_stat stat "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Statfs(path string, stat *Statfs_t) (err error) { @@ -1101,13 +1545,18 @@ func Statfs(path string, stat *Statfs_t) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_STATFS, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) + _, _, e1 := syscall(funcPC(libc_statfs_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_statfs_trampoline() + +//go:linkname libc_statfs libc_statfs +//go:cgo_import_dynamic libc_statfs statfs "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Symlink(path string, link string) (err error) { @@ -1121,23 +1570,33 @@ func Symlink(path string, link string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0) + _, _, e1 := syscall(funcPC(libc_symlink_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_symlink_trampoline() + +//go:linkname libc_symlink libc_symlink +//go:cgo_import_dynamic libc_symlink symlink "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Sync() (err error) { - _, _, e1 := Syscall(SYS_SYNC, 0, 0, 0) + _, _, e1 := syscall(funcPC(libc_sync_trampoline), 0, 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_sync_trampoline() + +//go:linkname libc_sync libc_sync +//go:cgo_import_dynamic libc_sync sync "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Truncate(path string, length int64) (err error) { @@ -1146,21 +1605,31 @@ func Truncate(path string, length int64) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length)) + _, _, e1 := syscall(funcPC(libc_truncate_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(length), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_truncate_trampoline() + +//go:linkname libc_truncate libc_truncate +//go:cgo_import_dynamic libc_truncate truncate "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Umask(newmask int) (oldmask int) { - r0, _, _ := Syscall(SYS_UMASK, uintptr(newmask), 0, 0) + r0, _, _ := syscall(funcPC(libc_umask_trampoline), uintptr(newmask), 0, 0) oldmask = int(r0) return } +func libc_umask_trampoline() + +//go:linkname libc_umask libc_umask +//go:cgo_import_dynamic libc_umask umask "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Unlink(path string) (err error) { @@ -1169,13 +1638,18 @@ func Unlink(path string) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0) + _, _, e1 := syscall(funcPC(libc_unlink_trampoline), uintptr(unsafe.Pointer(_p0)), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_unlink_trampoline() + +//go:linkname libc_unlink libc_unlink +//go:cgo_import_dynamic libc_unlink unlink "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func Unmount(path string, flags int) (err error) { @@ -1184,13 +1658,18 @@ func Unmount(path string, flags int) (err error) { if err != nil { return } - _, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0) + _, _, e1 := syscall(funcPC(libc_unmount_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_unmount_trampoline() + +//go:linkname libc_unmount libc_unmount +//go:cgo_import_dynamic libc_unmount unmount "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func write(fd int, p []byte) (n int, err error) { @@ -1200,7 +1679,7 @@ func write(fd int, p []byte) (n int, err error) { } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p))) + r0, _, e1 := syscall(funcPC(libc_write_trampoline), uintptr(fd), uintptr(_p0), uintptr(len(p))) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -1208,10 +1687,15 @@ func write(fd int, p []byte) (n int, err error) { return } +func libc_write_trampoline() + +//go:linkname libc_write libc_write +//go:cgo_import_dynamic libc_write write "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) { - r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), 0, uintptr(pos), 0, 0) + r0, _, e1 := syscall6X(funcPC(libc_mmap_trampoline), uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), uintptr(pos)) ret = uintptr(r0) if e1 != 0 { err = errnoErr(e1) @@ -1219,53 +1703,78 @@ func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) ( return } +func libc_mmap_trampoline() + +//go:linkname libc_mmap libc_mmap +//go:cgo_import_dynamic libc_mmap mmap "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func munmap(addr uintptr, length uintptr) (err error) { - _, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0) + _, _, e1 := syscall(funcPC(libc_munmap_trampoline), uintptr(addr), uintptr(length), 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_munmap_trampoline() + +//go:linkname libc_munmap libc_munmap +//go:cgo_import_dynamic libc_munmap munmap "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func readlen(fd int, buf *byte, nbuf int) (n int, err error) { - r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf)) - n = int(r0) +func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := syscall6(funcPC(libc_utimensat_trampoline), uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), uintptr(flag), 0, 0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_utimensat_trampoline() + +//go:linkname libc_utimensat libc_utimensat +//go:cgo_import_dynamic libc_utimensat utimensat "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func writelen(fd int, buf *byte, nbuf int) (n int, err error) { - r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf)) - n = int(r0) +func directSyscall(trap uintptr, a1 uintptr, a2 uintptr, a3 uintptr, a4 uintptr, a5 uintptr) (ret uintptr, err error) { + r0, _, e1 := syscall6X(funcPC(libc_syscall_trampoline), uintptr(trap), uintptr(a1), uintptr(a2), uintptr(a3), uintptr(a4), uintptr(a5)) + ret = uintptr(r0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_syscall_trampoline() + +//go:linkname libc_syscall libc_syscall +//go:cgo_import_dynamic libc_syscall syscall "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_UTIMENSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), uintptr(flag), 0, 0) +func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + r0, _, e1 := syscallX(funcPC(libc_lseek_trampoline), uintptr(fd), uintptr(offset), uintptr(whence)) + newoffset = int64(r0) if e1 != 0 { err = errnoErr(e1) } return } +func libc_lseek_trampoline() + +//go:linkname libc_lseek libc_lseek +//go:cgo_import_dynamic libc_lseek lseek "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getcwd(buf []byte) (n int, err error) { @@ -1275,7 +1784,7 @@ func getcwd(buf []byte) (n int, err error) { } else { _p0 = unsafe.Pointer(&_zero) } - r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0) + r0, _, e1 := syscall(funcPC(libc_getcwd_trampoline), uintptr(_p0), uintptr(len(buf)), 0) n = int(r0) if e1 != 0 { err = errnoErr(e1) @@ -1283,6 +1792,11 @@ func getcwd(buf []byte) (n int, err error) { return } +func libc_getcwd_trampoline() + +//go:linkname libc_getcwd libc_getcwd +//go:cgo_import_dynamic libc_getcwd getcwd "libc.so" + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) { @@ -1292,9 +1806,184 @@ func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) } else { _p0 = unsafe.Pointer(&_zero) } - _, _, e1 := Syscall6(SYS___SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen)) + _, _, e1 := syscall6(funcPC(libc_sysctl_trampoline), uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_sysctl_trampoline() + +//go:linkname libc_sysctl libc_sysctl +//go:cgo_import_dynamic libc_sysctl sysctl "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func fork() (pid int, err error) { + r0, _, e1 := rawSyscall(funcPC(libc_fork_trampoline), 0, 0, 0) + pid = int(r0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_fork_trampoline() + +//go:linkname libc_fork libc_fork +//go:cgo_import_dynamic libc_fork fork "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func ioctl(fd int, req int, arg int) (err error) { + _, _, e1 := rawSyscall(funcPC(libc_ioctl_trampoline), uintptr(fd), uintptr(req), uintptr(arg)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_ioctl_trampoline() + +//go:linkname libc_ioctl libc_ioctl +//go:cgo_import_dynamic libc_ioctl ioctl "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func execve(path *byte, argv **byte, envp **byte) (err error) { + _, _, e1 := rawSyscall(funcPC(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp))) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_execve_trampoline() + +//go:linkname libc_execve libc_execve +//go:cgo_import_dynamic libc_execve execve "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func exit(res int) (err error) { + _, _, e1 := rawSyscall(funcPC(libc_exit_trampoline), uintptr(res), 0, 0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_exit_trampoline() + +//go:linkname libc_exit libc_exit +//go:cgo_import_dynamic libc_exit exit "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +//go:nosplit +func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) { + _, _, e1 := syscall6(funcPC(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_ptrace_trampoline() + +//go:linkname libc_ptrace libc_ptrace +//go:cgo_import_dynamic libc_ptrace ptrace "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func getentropy(p []byte) (err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { + _p0 = unsafe.Pointer(&p[0]) + } else { + _p0 = unsafe.Pointer(&_zero) + } + _, _, e1 := rawSyscall(funcPC(libc_getentropy_trampoline), uintptr(_p0), uintptr(len(p)), 0) if e1 != 0 { err = errnoErr(e1) } return } + +func libc_getentropy_trampoline() + +//go:linkname libc_getentropy libc_getentropy +//go:cgo_import_dynamic libc_getentropy getentropy "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func fstatat(fd int, path string, stat *Stat_t, flags int) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := syscall6(funcPC(libc_fstatat_trampoline), uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_fstatat_trampoline() + +//go:linkname libc_fstatat libc_fstatat +//go:cgo_import_dynamic libc_fstatat fstatat "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func fcntlPtr(fd int, cmd int, arg unsafe.Pointer) (val int, err error) { + r0, _, e1 := syscall(funcPC(libc_fcntl_trampoline), uintptr(fd), uintptr(cmd), uintptr(arg)) + val = int(r0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func unlinkat(fd int, path string, flags int) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := syscall(funcPC(libc_unlinkat_trampoline), uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(flags)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_unlinkat_trampoline() + +//go:linkname libc_unlinkat libc_unlinkat +//go:cgo_import_dynamic libc_unlinkat unlinkat "libc.so" + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func openat(fd int, path string, flags int, perm uint32) (fdret int, err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + r0, _, e1 := syscall6(funcPC(libc_openat_trampoline), uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(perm), 0, 0) + fdret = int(r0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +func libc_openat_trampoline() + +//go:linkname libc_openat libc_openat +//go:cgo_import_dynamic libc_openat openat "libc.so" diff --git a/src/syscall/zsyscall_openbsd_arm64.s b/src/syscall/zsyscall_openbsd_arm64.s new file mode 100644 index 0000000000..37778b1db5 --- /dev/null +++ b/src/syscall/zsyscall_openbsd_arm64.s @@ -0,0 +1,233 @@ +// go run mkasm.go openbsd arm64 +// Code generated by the command above; DO NOT EDIT. +#include "textflag.h" +TEXT ·libc_getgroups_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getgroups(SB) +TEXT ·libc_setgroups_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setgroups(SB) +TEXT ·libc_wait4_trampoline(SB),NOSPLIT,$0-0 + JMP libc_wait4(SB) +TEXT ·libc_accept_trampoline(SB),NOSPLIT,$0-0 + JMP libc_accept(SB) +TEXT ·libc_bind_trampoline(SB),NOSPLIT,$0-0 + JMP libc_bind(SB) +TEXT ·libc_connect_trampoline(SB),NOSPLIT,$0-0 + JMP libc_connect(SB) +TEXT ·libc_socket_trampoline(SB),NOSPLIT,$0-0 + JMP libc_socket(SB) +TEXT ·libc_getsockopt_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getsockopt(SB) +TEXT ·libc_setsockopt_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setsockopt(SB) +TEXT ·libc_getpeername_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getpeername(SB) +TEXT ·libc_getsockname_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getsockname(SB) +TEXT ·libc_shutdown_trampoline(SB),NOSPLIT,$0-0 + JMP libc_shutdown(SB) +TEXT ·libc_socketpair_trampoline(SB),NOSPLIT,$0-0 + JMP libc_socketpair(SB) +TEXT ·libc_recvfrom_trampoline(SB),NOSPLIT,$0-0 + JMP libc_recvfrom(SB) +TEXT ·libc_sendto_trampoline(SB),NOSPLIT,$0-0 + JMP libc_sendto(SB) +TEXT ·libc_recvmsg_trampoline(SB),NOSPLIT,$0-0 + JMP libc_recvmsg(SB) +TEXT ·libc_sendmsg_trampoline(SB),NOSPLIT,$0-0 + JMP libc_sendmsg(SB) +TEXT ·libc_kevent_trampoline(SB),NOSPLIT,$0-0 + JMP libc_kevent(SB) +TEXT ·libc_utimes_trampoline(SB),NOSPLIT,$0-0 + JMP libc_utimes(SB) +TEXT ·libc_futimes_trampoline(SB),NOSPLIT,$0-0 + JMP libc_futimes(SB) +TEXT ·libc_fcntl_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fcntl(SB) +TEXT ·libc_pipe2_trampoline(SB),NOSPLIT,$0-0 + JMP libc_pipe2(SB) +TEXT ·libc_accept4_trampoline(SB),NOSPLIT,$0-0 + JMP libc_accept4(SB) +TEXT ·libc_getdents_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getdents(SB) +TEXT ·libc_access_trampoline(SB),NOSPLIT,$0-0 + JMP libc_access(SB) +TEXT ·libc_adjtime_trampoline(SB),NOSPLIT,$0-0 + JMP libc_adjtime(SB) +TEXT ·libc_chdir_trampoline(SB),NOSPLIT,$0-0 + JMP libc_chdir(SB) +TEXT ·libc_chflags_trampoline(SB),NOSPLIT,$0-0 + JMP libc_chflags(SB) +TEXT ·libc_chmod_trampoline(SB),NOSPLIT,$0-0 + JMP libc_chmod(SB) +TEXT ·libc_chown_trampoline(SB),NOSPLIT,$0-0 + JMP libc_chown(SB) +TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0 + JMP libc_chroot(SB) +TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0 + JMP libc_close(SB) +TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0 + JMP libc_dup(SB) +TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0 + JMP libc_dup2(SB) +TEXT ·libc_fchdir_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fchdir(SB) +TEXT ·libc_fchflags_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fchflags(SB) +TEXT ·libc_fchmod_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fchmod(SB) +TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fchown(SB) +TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0 + JMP libc_flock(SB) +TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fpathconf(SB) +TEXT ·libc_fstat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fstat(SB) +TEXT ·libc_fstatfs_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fstatfs(SB) +TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fsync(SB) +TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0 + JMP libc_ftruncate(SB) +TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getegid(SB) +TEXT ·libc_geteuid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_geteuid(SB) +TEXT ·libc_getgid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getgid(SB) +TEXT ·libc_getpgid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getpgid(SB) +TEXT ·libc_getpgrp_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getpgrp(SB) +TEXT ·libc_getpid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getpid(SB) +TEXT ·libc_getppid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getppid(SB) +TEXT ·libc_getpriority_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getpriority(SB) +TEXT ·libc_getrlimit_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getrlimit(SB) +TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getrusage(SB) +TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getsid(SB) +TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0 + JMP libc_gettimeofday(SB) +TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getuid(SB) +TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_issetugid(SB) +TEXT ·libc_kill_trampoline(SB),NOSPLIT,$0-0 + JMP libc_kill(SB) +TEXT ·libc_kqueue_trampoline(SB),NOSPLIT,$0-0 + JMP libc_kqueue(SB) +TEXT ·libc_lchown_trampoline(SB),NOSPLIT,$0-0 + JMP libc_lchown(SB) +TEXT ·libc_link_trampoline(SB),NOSPLIT,$0-0 + JMP libc_link(SB) +TEXT ·libc_listen_trampoline(SB),NOSPLIT,$0-0 + JMP libc_listen(SB) +TEXT ·libc_lstat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_lstat(SB) +TEXT ·libc_mkdir_trampoline(SB),NOSPLIT,$0-0 + JMP libc_mkdir(SB) +TEXT ·libc_mkfifo_trampoline(SB),NOSPLIT,$0-0 + JMP libc_mkfifo(SB) +TEXT ·libc_mknod_trampoline(SB),NOSPLIT,$0-0 + JMP libc_mknod(SB) +TEXT ·libc_nanosleep_trampoline(SB),NOSPLIT,$0-0 + JMP libc_nanosleep(SB) +TEXT ·libc_open_trampoline(SB),NOSPLIT,$0-0 + JMP libc_open(SB) +TEXT ·libc_pathconf_trampoline(SB),NOSPLIT,$0-0 + JMP libc_pathconf(SB) +TEXT ·libc_pread_trampoline(SB),NOSPLIT,$0-0 + JMP libc_pread(SB) +TEXT ·libc_pwrite_trampoline(SB),NOSPLIT,$0-0 + JMP libc_pwrite(SB) +TEXT ·libc_read_trampoline(SB),NOSPLIT,$0-0 + JMP libc_read(SB) +TEXT ·libc_readlink_trampoline(SB),NOSPLIT,$0-0 + JMP libc_readlink(SB) +TEXT ·libc_rename_trampoline(SB),NOSPLIT,$0-0 + JMP libc_rename(SB) +TEXT ·libc_revoke_trampoline(SB),NOSPLIT,$0-0 + JMP libc_revoke(SB) +TEXT ·libc_rmdir_trampoline(SB),NOSPLIT,$0-0 + JMP libc_rmdir(SB) +TEXT ·libc_select_trampoline(SB),NOSPLIT,$0-0 + JMP libc_select(SB) +TEXT ·libc_setegid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setegid(SB) +TEXT ·libc_seteuid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_seteuid(SB) +TEXT ·libc_setgid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setgid(SB) +TEXT ·libc_setlogin_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setlogin(SB) +TEXT ·libc_setpgid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setpgid(SB) +TEXT ·libc_setpriority_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setpriority(SB) +TEXT ·libc_setregid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setregid(SB) +TEXT ·libc_setreuid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setreuid(SB) +TEXT ·libc_setrlimit_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setrlimit(SB) +TEXT ·libc_setsid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setsid(SB) +TEXT ·libc_settimeofday_trampoline(SB),NOSPLIT,$0-0 + JMP libc_settimeofday(SB) +TEXT ·libc_setuid_trampoline(SB),NOSPLIT,$0-0 + JMP libc_setuid(SB) +TEXT ·libc_stat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_stat(SB) +TEXT ·libc_statfs_trampoline(SB),NOSPLIT,$0-0 + JMP libc_statfs(SB) +TEXT ·libc_symlink_trampoline(SB),NOSPLIT,$0-0 + JMP libc_symlink(SB) +TEXT ·libc_sync_trampoline(SB),NOSPLIT,$0-0 + JMP libc_sync(SB) +TEXT ·libc_truncate_trampoline(SB),NOSPLIT,$0-0 + JMP libc_truncate(SB) +TEXT ·libc_umask_trampoline(SB),NOSPLIT,$0-0 + JMP libc_umask(SB) +TEXT ·libc_unlink_trampoline(SB),NOSPLIT,$0-0 + JMP libc_unlink(SB) +TEXT ·libc_unmount_trampoline(SB),NOSPLIT,$0-0 + JMP libc_unmount(SB) +TEXT ·libc_write_trampoline(SB),NOSPLIT,$0-0 + JMP libc_write(SB) +TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0 + JMP libc_mmap(SB) +TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0 + JMP libc_munmap(SB) +TEXT ·libc_utimensat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_utimensat(SB) +TEXT ·libc_syscall_trampoline(SB),NOSPLIT,$0-0 + JMP libc_syscall(SB) +TEXT ·libc_lseek_trampoline(SB),NOSPLIT,$0-0 + JMP libc_lseek(SB) +TEXT ·libc_getcwd_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getcwd(SB) +TEXT ·libc_sysctl_trampoline(SB),NOSPLIT,$0-0 + JMP libc_sysctl(SB) +TEXT ·libc_fork_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fork(SB) +TEXT ·libc_ioctl_trampoline(SB),NOSPLIT,$0-0 + JMP libc_ioctl(SB) +TEXT ·libc_execve_trampoline(SB),NOSPLIT,$0-0 + JMP libc_execve(SB) +TEXT ·libc_exit_trampoline(SB),NOSPLIT,$0-0 + JMP libc_exit(SB) +TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0 + JMP libc_ptrace(SB) +TEXT ·libc_getentropy_trampoline(SB),NOSPLIT,$0-0 + JMP libc_getentropy(SB) +TEXT ·libc_fstatat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_fstatat(SB) +TEXT ·libc_unlinkat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_unlinkat(SB) +TEXT ·libc_openat_trampoline(SB),NOSPLIT,$0-0 + JMP libc_openat(SB) -- cgit v1.3 From 725a642c2d0b42e2b4435dfbfbff6b138d37d2ce Mon Sep 17 00:00:00 2001 From: Joel Sing Date: Wed, 27 Jan 2021 23:09:57 +1100 Subject: runtime: correct syscall10/syscall10X on openbsd/amd64 The syscall10/syscall10X implementation uses an incorrect stack offset for arguments a7 to a10. Correct this so that the syscall arguments work as intended. Updates #36435 Fixes #43927 Change-Id: Ia7ae6cc8c89f50acfd951c0f271f3b3309934499 Reviewed-on: https://go-review.googlesource.com/c/go/+/287252 Trust: Joel Sing Reviewed-by: Cherry Zhang --- src/runtime/sys_openbsd_amd64.s | 36 ++++++++++++++++++++++-------------- 1 file changed, 22 insertions(+), 14 deletions(-) (limited to 'src/runtime') diff --git a/src/runtime/sys_openbsd_amd64.s b/src/runtime/sys_openbsd_amd64.s index 534645eec4..b3a76b57a3 100644 --- a/src/runtime/sys_openbsd_amd64.s +++ b/src/runtime/sys_openbsd_amd64.s @@ -676,27 +676,31 @@ TEXT runtime·syscall10(SB),NOSPLIT,$0 PUSHQ BP MOVQ SP, BP SUBQ $48, SP + + // Arguments a1 to a6 get passed in registers, with a7 onwards being + // passed via the stack per the x86-64 System V ABI + // (https://github.com/hjl-tools/x86-psABI/wiki/x86-64-psABI-1.0.pdf). MOVQ (7*8)(DI), R10 // a7 MOVQ (8*8)(DI), R11 // a8 MOVQ (9*8)(DI), R12 // a9 MOVQ (10*8)(DI), R13 // a10 - MOVQ R10, (1*8)(SP) // a7 - MOVQ R11, (2*8)(SP) // a8 - MOVQ R12, (3*8)(SP) // a9 - MOVQ R13, (4*8)(SP) // a10 + MOVQ R10, (0*8)(SP) // a7 + MOVQ R11, (1*8)(SP) // a8 + MOVQ R12, (2*8)(SP) // a9 + MOVQ R13, (3*8)(SP) // a10 MOVQ (0*8)(DI), R11 // fn MOVQ (2*8)(DI), SI // a2 MOVQ (3*8)(DI), DX // a3 MOVQ (4*8)(DI), CX // a4 MOVQ (5*8)(DI), R8 // a5 MOVQ (6*8)(DI), R9 // a6 - MOVQ DI, (SP) + MOVQ DI, (4*8)(SP) MOVQ (1*8)(DI), DI // a1 XORL AX, AX // vararg: say "no float args" CALL R11 - MOVQ (SP), DI + MOVQ (4*8)(SP), DI MOVQ AX, (11*8)(DI) // r1 MOVQ DX, (12*8)(DI) // r2 @@ -705,7 +709,7 @@ TEXT runtime·syscall10(SB),NOSPLIT,$0 CALL libc_errno(SB) MOVLQSX (AX), AX - MOVQ (SP), DI + MOVQ (4*8)(SP), DI MOVQ AX, (13*8)(DI) // err ok: @@ -741,27 +745,31 @@ TEXT runtime·syscall10X(SB),NOSPLIT,$0 PUSHQ BP MOVQ SP, BP SUBQ $48, SP + + // Arguments a1 to a6 get passed in registers, with a7 onwards being + // passed via the stack per the x86-64 System V ABI + // (https://github.com/hjl-tools/x86-psABI/wiki/x86-64-psABI-1.0.pdf). MOVQ (7*8)(DI), R10 // a7 MOVQ (8*8)(DI), R11 // a8 MOVQ (9*8)(DI), R12 // a9 MOVQ (10*8)(DI), R13 // a10 - MOVQ R10, (1*8)(SP) // a7 - MOVQ R11, (2*8)(SP) // a8 - MOVQ R12, (3*8)(SP) // a9 - MOVQ R13, (4*8)(SP) // a10 + MOVQ R10, (0*8)(SP) // a7 + MOVQ R11, (1*8)(SP) // a8 + MOVQ R12, (2*8)(SP) // a9 + MOVQ R13, (3*8)(SP) // a10 MOVQ (0*8)(DI), R11 // fn MOVQ (2*8)(DI), SI // a2 MOVQ (3*8)(DI), DX // a3 MOVQ (4*8)(DI), CX // a4 MOVQ (5*8)(DI), R8 // a5 MOVQ (6*8)(DI), R9 // a6 - MOVQ DI, (SP) + MOVQ DI, (4*8)(SP) MOVQ (1*8)(DI), DI // a1 XORL AX, AX // vararg: say "no float args" CALL R11 - MOVQ (SP), DI + MOVQ (4*8)(SP), DI MOVQ AX, (11*8)(DI) // r1 MOVQ DX, (12*8)(DI) // r2 @@ -770,7 +778,7 @@ TEXT runtime·syscall10X(SB),NOSPLIT,$0 CALL libc_errno(SB) MOVLQSX (AX), AX - MOVQ (SP), DI + MOVQ (4*8)(SP), DI MOVQ AX, (13*8)(DI) // err ok: -- cgit v1.3 From 68058edc39edae96e34225ca163002233b623c97 Mon Sep 17 00:00:00 2001 From: Cherry Zhang Date: Thu, 28 Jan 2021 14:57:55 -0500 Subject: runtime: document pointer write atomicity for memclrNoHeapPointers memclrNoHeapPointers is the underlying implementation of typedmemclr and memclrHasPointers, so it still needs to write pointer-aligned words atomically. Document this requirement. Updates #41428. Change-Id: Ice00dee5de7a96a50e51ff019fcef069e8a8406a Reviewed-on: https://go-review.googlesource.com/c/go/+/287692 Trust: Cherry Zhang Reviewed-by: Keith Randall --- src/runtime/memclr_386.s | 2 ++ src/runtime/memclr_amd64.s | 2 ++ src/runtime/memclr_arm.s | 2 ++ src/runtime/memclr_arm64.s | 2 ++ src/runtime/memclr_mips64x.s | 2 ++ src/runtime/memclr_mipsx.s | 2 ++ src/runtime/memclr_plan9_386.s | 2 ++ src/runtime/memclr_plan9_amd64.s | 2 ++ src/runtime/memclr_ppc64x.s | 2 ++ src/runtime/memclr_riscv64.s | 2 ++ src/runtime/memclr_s390x.s | 2 ++ src/runtime/memclr_wasm.s | 2 ++ src/runtime/stubs.go | 8 ++++++++ 13 files changed, 32 insertions(+) (limited to 'src/runtime') diff --git a/src/runtime/memclr_386.s b/src/runtime/memclr_386.s index 65f7196312..5e090ef09e 100644 --- a/src/runtime/memclr_386.s +++ b/src/runtime/memclr_386.s @@ -9,6 +9,8 @@ // NOTE: Windows externalthreadhandler expects memclr to preserve DX. +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT, $0-8 MOVL ptr+0(FP), DI diff --git a/src/runtime/memclr_amd64.s b/src/runtime/memclr_amd64.s index d79078fd00..37fe9745b1 100644 --- a/src/runtime/memclr_amd64.s +++ b/src/runtime/memclr_amd64.s @@ -9,6 +9,8 @@ // NOTE: Windows externalthreadhandler expects memclr to preserve DX. +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT, $0-16 MOVQ ptr+0(FP), DI diff --git a/src/runtime/memclr_arm.s b/src/runtime/memclr_arm.s index 7326b8be34..f113a1aa2d 100644 --- a/src/runtime/memclr_arm.s +++ b/src/runtime/memclr_arm.s @@ -30,6 +30,8 @@ #define N R12 #define TMP R12 /* N and TMP don't overlap */ +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-8 MOVW ptr+0(FP), TO diff --git a/src/runtime/memclr_arm64.s b/src/runtime/memclr_arm64.s index a56a6dfb85..bef77651e4 100644 --- a/src/runtime/memclr_arm64.s +++ b/src/runtime/memclr_arm64.s @@ -4,6 +4,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-16 MOVD ptr+0(FP), R0 diff --git a/src/runtime/memclr_mips64x.s b/src/runtime/memclr_mips64x.s index 4c2292eae8..d7a3251e20 100644 --- a/src/runtime/memclr_mips64x.s +++ b/src/runtime/memclr_mips64x.s @@ -7,6 +7,8 @@ #include "go_asm.h" #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-16 MOVV ptr+0(FP), R1 diff --git a/src/runtime/memclr_mipsx.s b/src/runtime/memclr_mipsx.s index 1561a23dbe..eb2a8a7219 100644 --- a/src/runtime/memclr_mipsx.s +++ b/src/runtime/memclr_mipsx.s @@ -14,6 +14,8 @@ #define MOVWLO MOVWL #endif +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-8 MOVW n+4(FP), R2 diff --git a/src/runtime/memclr_plan9_386.s b/src/runtime/memclr_plan9_386.s index 5b880ae86f..54701a9453 100644 --- a/src/runtime/memclr_plan9_386.s +++ b/src/runtime/memclr_plan9_386.s @@ -4,6 +4,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT, $0-8 MOVL ptr+0(FP), DI diff --git a/src/runtime/memclr_plan9_amd64.s b/src/runtime/memclr_plan9_amd64.s index ad383cd6b3..8c6a1cc780 100644 --- a/src/runtime/memclr_plan9_amd64.s +++ b/src/runtime/memclr_plan9_amd64.s @@ -4,6 +4,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-16 MOVQ ptr+0(FP), DI diff --git a/src/runtime/memclr_ppc64x.s b/src/runtime/memclr_ppc64x.s index 072963f756..7512620894 100644 --- a/src/runtime/memclr_ppc64x.s +++ b/src/runtime/memclr_ppc64x.s @@ -6,6 +6,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT|NOFRAME, $0-16 MOVD ptr+0(FP), R3 diff --git a/src/runtime/memclr_riscv64.s b/src/runtime/memclr_riscv64.s index ba7704e805..54ddaa4560 100644 --- a/src/runtime/memclr_riscv64.s +++ b/src/runtime/memclr_riscv64.s @@ -4,6 +4,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // void runtime·memclrNoHeapPointers(void*, uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-16 MOV ptr+0(FP), T1 diff --git a/src/runtime/memclr_s390x.s b/src/runtime/memclr_s390x.s index dd14a441cc..fa657ef66e 100644 --- a/src/runtime/memclr_s390x.s +++ b/src/runtime/memclr_s390x.s @@ -4,6 +4,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT|NOFRAME,$0-16 MOVD ptr+0(FP), R4 diff --git a/src/runtime/memclr_wasm.s b/src/runtime/memclr_wasm.s index 68ffe2f67b..5a053049f8 100644 --- a/src/runtime/memclr_wasm.s +++ b/src/runtime/memclr_wasm.s @@ -4,6 +4,8 @@ #include "textflag.h" +// See memclrNoHeapPointers Go doc for important implementation constraints. + // func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT, $0-16 MOVD ptr+0(FP), R0 diff --git a/src/runtime/stubs.go b/src/runtime/stubs.go index b55c3c0590..2ee2c74dfe 100644 --- a/src/runtime/stubs.go +++ b/src/runtime/stubs.go @@ -73,7 +73,15 @@ func badsystemstack() { // *ptr is uninitialized memory (e.g., memory that's being reused // for a new allocation) and hence contains only "junk". // +// memclrNoHeapPointers ensures that if ptr is pointer-aligned, and n +// is a multiple of the pointer size, then any pointer-aligned, +// pointer-sized portion is cleared atomically. Despite the function +// name, this is necessary because this function is the underlying +// implementation of typedmemclr and memclrHasPointers. See the doc of +// memmove for more details. +// // The (CPU-specific) implementations of this function are in memclr_*.s. +// //go:noescape func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) -- cgit v1.3