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Diffstat (limited to 'src/syscall/asm_linux_386.s')
-rw-r--r--src/syscall/asm_linux_386.s26
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