| #include <asm/asm.h> | |
| #include <asm/regdef.h> | |
| #include <asm/unistd.h> | |
| #define CLONE_VM 0x00000100 | |
| #define CLONE_VFORK 0x00004000 | |
| #define SIGCHLD 18 | |
| LEAF(vfork) | |
| li a0, CLONE_VFORK | CLONE_VM | SIGCHLD | |
| li a1, 0 | |
| li v0, __NR_clone | |
| syscall | |
| bnez a3, 1f | |
| b 2f | |
| 1: sw v0, errno | |
| li v0, -1 | |
| 2: jr ra | |
| END(vfork) |