diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/clone.S')
| -rw-r--r-- | mdk-stage1/dietlibc/i386/clone.S | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/mdk-stage1/dietlibc/i386/clone.S b/mdk-stage1/dietlibc/i386/clone.S index ac02eb468..ea43bc2e2 100644 --- a/mdk-stage1/dietlibc/i386/clone.S +++ b/mdk-stage1/dietlibc/i386/clone.S @@ -1,17 +1,21 @@ -#include <asm/unistd.h> +#include "syscalls.h" +#include <errno.h> +#include "PIC.h" .text +.type clone,@function .weak clone clone: +.type __clone,@function .global __clone __clone: + mov $-EINVAL, %eax + movl 4(%esp), %ecx /* have non null thread_funcion */ - testl %ecx, %ecx - je .Lclone_error + jecxz .Lclone_error movl 8(%esp), %ecx /* have non null child_stack pointer */ - testl %ecx, %ecx - je .Lclone_error + jecxz .Lclone_error /* put the parameter on thread stack */ subl $8, %ecx @@ -31,9 +35,7 @@ __clone: testl %eax, %eax jl .Lclone_error - je .Lstart_thread - ret - + jne .Lreturn .Lstart_thread: xorl %ebp,%ebp call *%ebx @@ -43,9 +45,16 @@ __clone: .Lclone_error: negl %eax pushl %eax +#ifdef PIC + pushl %ebx + PIC_INIT + call __errno_location@PLT + popl %ebx +#else call __errno_location +#endif popl %ecx movl %ecx, (%eax) - xorl %eax, %eax - decl %eax + orl $-1, %eax +.Lreturn: ret |