syscall: add support to get pidfd from ForkExec on Linux

[gostls13.git] / src / syscall / asm_linux_386.s

diff --git a/src/syscall/asm_linux_386.s b/src/syscall/asm_linux_386.s
index a8e63f70798afd3359859680f99eca06f1c27fb9..d14df50a0ae348a8b60e8c4f48aff2c823945e65 100644 (file)
--- a/src/syscall/asm_linux_386.s
+++ b/src/syscall/asm_linux_386.s
@@ -13,24 +13,24 @@
 // instead of the glibc-specific "CALL 0x10(GS)".
 #define INVOKE_SYSCALL INT     $0x80
 
-// func rawVforkSyscall(trap, a1, a2 uintptr) (r1, err uintptr)
-TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-20
+// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
+TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-24
        MOVL    trap+0(FP), AX  // syscall entry
        MOVL    a1+4(FP), BX
        MOVL    a2+8(FP), CX
-       MOVL    $0, DX
+       MOVL    a3+12(FP), DX
        POPL    SI // preserve return address
        INVOKE_SYSCALL
        PUSHL   SI
        CMPL    AX, $0xfffff001
        JLS     ok
-       MOVL    $-1, r1+12(FP)
+       MOVL    $-1, r1+16(FP)
        NEGL    AX
-       MOVL    AX, err+16(FP)
+       MOVL    AX, err+20(FP)
        RET
 ok:
-       MOVL    AX, r1+12(FP)
-       MOVL    $0, err+16(FP)
+       MOVL    AX, r1+16(FP)
+       MOVL    $0, err+20(FP)
        RET
 
 // func rawSyscallNoError(trap uintptr, a1, a2, a3 uintptr) (r1, r2 uintptr);