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| author | Elliott Hughes <enh@google.com> | 2014-01-03 22:36:53 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-01-03 22:36:53 +0000 |
| commit | c1c3f7d4468f02adbf8ced689d738386e42af773 (patch) | |
| tree | 915f467bdb1c6c92415b4e56e6be9bedb42a3eee /libc | |
| parent | 3b36564b18d83ec313fd2aa6d7f38576dea3f6b8 (diff) | |
| parent | c5bf703c4cfa2ca4f35a83c9afaf4ee123cb617c (diff) | |
| download | bionic-c1c3f7d4468f02adbf8ced689d738386e42af773.zip bionic-c1c3f7d4468f02adbf8ced689d738386e42af773.tar.gz bionic-c1c3f7d4468f02adbf8ced689d738386e42af773.tar.bz2 | |
Merge "Remove as many hard-coded constants from the MIPS vfork.S as possible."
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 |