diff options
Diffstat (limited to 'src/syscall/asm_linux_amd64.s')
| -rw-r--r-- | src/syscall/asm_linux_amd64.s | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/syscall/asm_linux_amd64.s b/src/syscall/asm_linux_amd64.s index 0b55a30fa0..3206a45d5d 100644 --- a/src/syscall/asm_linux_amd64.s +++ b/src/syscall/asm_linux_amd64.s @@ -11,102 +11,6 @@ #define SYS_gettimeofday 96 -// func Syscall(trap int64, a1, a2, a3 uintptr) (r1, r2, err uintptr); -// Trap # in AX, args in DI SI DX R10 R8 R9, return in AX DX -// Note that this differs from "standard" ABI convention, which -// would pass 4th arg in CX, not R10. - -TEXT ·Syscall(SB),NOSPLIT,$0-56 - CALL runtime·entersyscall<ABIInternal>(SB) - MOVQ a1+8(FP), DI - MOVQ a2+16(FP), SI - MOVQ a3+24(FP), DX - MOVQ trap+0(FP), AX // syscall entry - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok - MOVQ $-1, r1+32(FP) - MOVQ $0, r2+40(FP) - NEGQ AX - MOVQ AX, err+48(FP) - CALL runtime·exitsyscall<ABIInternal>(SB) - RET -ok: - MOVQ AX, r1+32(FP) - MOVQ DX, r2+40(FP) - MOVQ $0, err+48(FP) - CALL runtime·exitsyscall<ABIInternal>(SB) - RET - -// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) -TEXT ·Syscall6(SB),NOSPLIT,$0-80 - CALL runtime·entersyscall<ABIInternal>(SB) - MOVQ a1+8(FP), DI - MOVQ a2+16(FP), SI - MOVQ a3+24(FP), DX - MOVQ a4+32(FP), R10 - MOVQ a5+40(FP), R8 - MOVQ a6+48(FP), R9 - MOVQ trap+0(FP), AX // syscall entry - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok6 - MOVQ $-1, r1+56(FP) - MOVQ $0, r2+64(FP) - NEGQ AX - MOVQ AX, err+72(FP) - CALL runtime·exitsyscall<ABIInternal>(SB) - RET -ok6: - MOVQ AX, r1+56(FP) - MOVQ DX, r2+64(FP) - MOVQ $0, err+72(FP) - CALL runtime·exitsyscall<ABIInternal>(SB) - RET - -// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr) -TEXT ·RawSyscall(SB),NOSPLIT,$0-56 - MOVQ a1+8(FP), DI - MOVQ a2+16(FP), SI - MOVQ a3+24(FP), DX - MOVQ trap+0(FP), AX // syscall entry - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok1 - MOVQ $-1, r1+32(FP) - MOVQ $0, r2+40(FP) - NEGQ AX - MOVQ AX, err+48(FP) - RET -ok1: - MOVQ AX, r1+32(FP) - MOVQ DX, r2+40(FP) - MOVQ $0, err+48(FP) - RET - -// func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) -TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 - MOVQ a1+8(FP), DI - MOVQ a2+16(FP), SI - MOVQ a3+24(FP), DX - MOVQ a4+32(FP), R10 - MOVQ a5+40(FP), R8 - MOVQ a6+48(FP), R9 - MOVQ trap+0(FP), AX // syscall entry - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok2 - MOVQ $-1, r1+56(FP) - MOVQ $0, r2+64(FP) - NEGQ AX - MOVQ AX, err+72(FP) - RET -ok2: - MOVQ AX, r1+56(FP) - MOVQ DX, r2+64(FP) - MOVQ $0, err+72(FP) - RET - // func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr) TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-32 MOVQ a1+8(FP), DI |