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| author | Aram Hăvărneanu <aram@mgk.ro> | 2014-07-09 12:32:18 +0200 |
|---|---|---|
| committer | Aram Hăvărneanu <aram@mgk.ro> | 2014-07-09 12:32:18 +0200 |
| commit | 38e75f9d0e8a58ad30871dda7faa92dc9541d68f (patch) | |
| tree | d0cb20a4c7af08fb0929323bb6179cb5fc3868f4 /src/pkg | |
| parent | a6cc6347669408a2d72779743d32588c9a528315 (diff) | |
| download | go-38e75f9d0e8a58ad30871dda7faa92dc9541d68f.tar.xz | |
syscall: remove more NxM assumptions on Plan 9
LGTM=0intro, r
R=0intro, r
CC=ality, dave, golang-codereviews, jas, mischief, rsc
https://golang.org/cl/111910043
Diffstat (limited to 'src/pkg')
| -rw-r--r-- | src/pkg/syscall/asm_plan9_amd64.s | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/src/pkg/syscall/asm_plan9_amd64.s b/src/pkg/syscall/asm_plan9_amd64.s index 2154a87d59..220ea68002 100644 --- a/src/pkg/syscall/asm_plan9_amd64.s +++ b/src/pkg/syscall/asm_plan9_amd64.s @@ -16,12 +16,8 @@ //func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) //func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) -// Trap # in BP, args on stack above caller pc. -// NxM requires that Plan 9 system calls be -// marked with $0x8000 in AX. TEXT ·Syscall(SB),NOSPLIT,$0-64 CALL runtime·entersyscall(SB) - MOVQ $0x8000, AX // for NxM MOVQ 8(SP), BP // syscall entry // slide args down on top of system call number LEAQ 16(SP), SI @@ -57,7 +53,6 @@ copyresult3: TEXT ·Syscall6(SB),NOSPLIT,$0-88 CALL runtime·entersyscall(SB) - MOVQ $0x8000, AX // for NxM MOVQ 8(SP), BP // syscall entry // slide args down on top of system call number LEAQ 16(SP), SI @@ -95,7 +90,6 @@ copyresult4: RET TEXT ·RawSyscall(SB),NOSPLIT,$0-56 - MOVQ $0x8000, AX // for NxM MOVQ 8(SP), BP // syscall entry // slide args down on top of system call number LEAQ 16(SP), SI @@ -111,7 +105,6 @@ TEXT ·RawSyscall(SB),NOSPLIT,$0-56 RET TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 - MOVQ $0x8000, AX // for NxM MOVQ 8(SP), BP // syscall entry // slide args down on top of system call number LEAQ 16(SP), SI @@ -136,7 +129,6 @@ TEXT ·seek(SB),NOSPLIT,$0-56 LEAQ newoffset+40(SP), AX MOVQ AX, placeholder+8(SP) - MOVQ $0x8000, AX // for NxM MOVQ $SYS_SEEK, BP // syscall entry SYSCALL |