diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/arch-mips/bionic/vfork.S | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/libc/arch-mips/bionic/vfork.S b/libc/arch-mips/bionic/vfork.S index 2e2e4ff..414caaf 100644 --- a/libc/arch-mips/bionic/vfork.S +++ b/libc/arch-mips/bionic/vfork.S @@ -27,10 +27,13 @@ */ #include <asm/unistd.h> +#include <linux/sched.h> - .text +// TODO: mips' uapi signal.h is missing #ifndef __ASSEMBLY__. +// #include <asm/signal.h> +#define SIGCHLD 18 -/* int vfork() implemented using clone() */ + .text .type vfork, @function .global vfork @@ -40,17 +43,22 @@ vfork: .set noreorder .cpload $t9 - li $a0, 0x4112 /* CLONE_VM | CLONE_VFORK | SIGCHLD */ - move $a1, $sp + li $a0, (CLONE_VM | CLONE_VFORK | SIGCHLD) + li $a1, 0 + li $a2, 0 + li $a3, 0 + subu $sp, 8 + sw $0, 16($sp) li $v0, __NR_clone syscall - bnez $a3,1f - nop + addu $sp, 8 + bnez $a3, 1f + move $a0, $v0 j $ra nop 1: - la $t9,__set_errno + la $t9, __set_errno j $t9 - move $a0,$v0 + nop .end vfork |