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syscall: avoid zeroing unused syscall arguments

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This commit is contained in:
Maya Rashish 2019-04-21 14:29:45 +03:00
parent 68d4b1265e
commit f721bb2636
3 changed files with 0 additions and 21 deletions
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6
src/syscall/asm_darwin_amd64.s
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@ -17,9 +17,6 @@ TEXT ·Syscall(SB),NOSPLIT,$0-56
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
ADDQ $0x2000000, AX
SYSCALL
@ -100,9 +97,6 @@ TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
ADDQ $0x2000000, AX
SYSCALL

9
src/syscall/asm_linux_amd64.s
View File

@ -19,9 +19,6 @@ TEXT ·Syscall(SB),NOSPLIT,$0-56
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
SYSCALL
CMPQ AX, $0xfffffffffffff001
@ -70,9 +67,6 @@ TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
SYSCALL
CMPQ AX, $0xfffffffffffff001
@ -139,9 +133,6 @@ TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
SYSCALL
MOVQ AX, r1+32(FP)

6
src/syscall/asm_unix_amd64.s
View File

@ -21,9 +21,6 @@ TEXT ·Syscall(SB),NOSPLIT,$0-56
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
SYSCALL
JCC ok
MOVQ $-1, r1+32(FP) // r1
@ -65,9 +62,6 @@ TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
SYSCALL
JCC ok1