syscall: add support to get pidfd from ForkExec on Linux

[gostls13.git] / src / syscall / asm_linux_riscv64.s

diff --git a/src/syscall/asm_linux_riscv64.s b/src/syscall/asm_linux_riscv64.s
index 6fd09ec4222a93ddf4355b10ab03b70e499f6b98..0386b36384a3259891abf904ee990060e04bc463 100644 (file)
--- a/src/syscall/asm_linux_riscv64.s
+++ b/src/syscall/asm_linux_riscv64.s
@@ -8,11 +8,11 @@
 // System calls for riscv64, Linux
 //
 
-// func rawVforkSyscall(trap, a1, a2 uintptr) (r1, err uintptr)
-TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-40
+// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
+TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-48
        MOV     a1+8(FP), A0
        MOV     a2+16(FP), A1
-       MOV     ZERO, A2
+       MOV     a3+24(FP), A2
        MOV     ZERO, A3
        MOV     ZERO, A4
        MOV     ZERO, A5
@@ -20,14 +20,14 @@ TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-40
        ECALL
        MOV     $-4096, T0
        BLTU    T0, A0, err
-       MOV     A0, r1+24(FP)   // r1
-       MOV     ZERO, err+32(FP)        // errno
+       MOV     A0, r1+32(FP)   // r1
+       MOV     ZERO, err+40(FP)        // errno
        RET
 err:
        MOV     $-1, T0
-       MOV     T0, r1+24(FP)   // r1
+       MOV     T0, r1+32(FP)   // r1
        SUB     A0, ZERO, A0
-       MOV     A0, err+32(FP)  // errno
+       MOV     A0, err+40(FP)  // errno
        RET
 
 TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48