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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_386.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_386.s')
| -rw-r--r-- | src/syscall/asm_linux_386.s | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_386.s b/src/syscall/asm_linux_386.s index e86a859f4e..ae0047b6fb 100644 --- a/src/syscall/asm_linux_386.s +++ b/src/syscall/asm_linux_386.s @@ -13,6 +13,32 @@ // instead of the glibc-specific "CALL 0x10(GS)". #define INVOKE_SYSCALL INT $0x80 +// func Syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr); +TEXT ·Syscall6(SB),NOSPLIT,$0-40 + CALL runtime·entersyscall(SB) + MOVL trap+0(FP), AX // syscall entry + MOVL a1+4(FP), BX + MOVL a2+8(FP), CX + MOVL a3+12(FP), DX + MOVL a4+16(FP), SI + MOVL a5+20(FP), DI + MOVL a6+24(FP), BP + INVOKE_SYSCALL + CMPL AX, $0xfffff001 + JLS ok6 + MOVL $-1, r1+28(FP) + MOVL $0, r2+32(FP) + NEGL AX + MOVL AX, err+36(FP) + CALL runtime·exitsyscall(SB) + RET +ok6: + MOVL AX, r1+28(FP) + MOVL DX, r2+32(FP) + MOVL $0, err+36(FP) + CALL runtime·exitsyscall(SB) + RET + // func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr) TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-16 MOVL trap+0(FP), AX // syscall entry |