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| author | Michael Pratt <mpratt@google.com> | 2022-04-21 14:49:54 -0400 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2022-04-21 19:06:50 +0000 |
| commit | d35ec0b899fe1013af49adb92ef789e25797c2eb (patch) | |
| tree | 98f959d0b3c51f7c5648691531d8ec213e62293a /src/syscall/asm_linux_arm.s | |
| parent | 347534343b114d9183efeefcb1d49458e1e8e34f (diff) | |
| download | go-d35ec0b899fe1013af49adb92ef789e25797c2eb.tar.xz | |
Revert "syscall: define Syscall6 in terms of RawSyscall6 on linux"
This reverts CL 388478. Parent CL 388477 breaks cmd/go
TestScript/cover_pkgall_runtime.
For #51087.
For #52472.
Change-Id: Id5d5a4e138792cf130ecdcc6b996c8102d142a7e
Reviewed-on: https://go-review.googlesource.com/c/go/+/401635
Run-TryBot: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Diffstat (limited to 'src/syscall/asm_linux_arm.s')
| -rw-r--r-- | src/syscall/asm_linux_arm.s | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_arm.s b/src/syscall/asm_linux_arm.s index 3252220562..6f9a612fa1 100644 --- a/src/syscall/asm_linux_arm.s +++ b/src/syscall/asm_linux_arm.s @@ -9,6 +9,37 @@ // System calls for arm, Linux // +// func Syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); +// Actually Syscall5 but the rest of the code expects it to be named Syscall6. +TEXT ·Syscall6(SB),NOSPLIT,$0-40 + BL runtime·entersyscall(SB) + MOVW trap+0(FP), R7 // syscall entry + MOVW a1+4(FP), R0 + MOVW a2+8(FP), R1 + MOVW a3+12(FP), R2 + MOVW a4+16(FP), R3 + MOVW a5+20(FP), R4 + MOVW a6+24(FP), R5 + SWI $0 + MOVW $0xfffff001, R6 + CMP R6, R0 + BLS ok6 + MOVW $-1, R1 + MOVW R1, r1+28(FP) + MOVW $0, R2 + MOVW R2, r2+32(FP) + RSB $0, R0, R0 + MOVW R0, err+36(FP) + BL runtime·exitsyscall(SB) + RET +ok6: + MOVW R0, r1+28(FP) + MOVW R1, r2+32(FP) + MOVW $0, R0 + MOVW R0, err+36(FP) + BL runtime·exitsyscall(SB) + RET + #define SYS__LLSEEK 140 /* from zsysnum_linux_arm.go */ // func seek(fd int, offset int64, whence int) (newoffset int64, errno int) // Implemented in assembly to avoid allocation when |