diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/clone.S | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S index 7a2025b53c..e22a053208 100644 --- a/sysdeps/unix/sysv/linux/i386/clone.S +++ b/sysdeps/unix/sysv/linux/i386/clone.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (rth@tamu.edu) @@ -24,21 +24,29 @@ #define _ERRNO_H 1 #include <bits/errno.h> #include <asm-syntax.h> +#include <bp-sym.h> +#include <bp-asm.h> /* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ +#define PARMS LINKAGE /* no space for saved regs */ +#define FUNC PARMS +#define STACK FUNC+4 +#define FLAGS STACK+PTR_SIZE +#define ARG FLAGS+4 + .text -ENTRY(__clone) +ENTRY (BP_SYM (__clone)) /* Sanity check arguments. */ movl $-EINVAL,%eax - movl 4(%esp),%ecx /* no NULL function pointers */ + movl FUNC(%esp),%ecx /* no NULL function pointers */ #ifdef PIC jecxz SYSCALL_ERROR_LABEL #else testl %ecx,%ecx jz SYSCALL_ERROR_LABEL #endif - movl 8(%esp),%ecx /* no NULL stack pointers */ + movl STACK(%esp),%ecx /* no NULL stack pointers */ #ifdef PIC jecxz SYSCALL_ERROR_LABEL #else @@ -48,17 +56,17 @@ ENTRY(__clone) /* Insert the argument onto the new stack. */ subl $8,%ecx - movl 16(%esp),%eax /* no negative argument counts */ + movl ARG(%esp),%eax /* no negative argument counts */ movl %eax,4(%ecx) /* Save the function pointer as the zeroth argument. It will be popped off in the child in the ebx frobbing below. */ - movl 4(%esp),%eax + movl FUNC(%esp),%eax movl %eax,0(%ecx) /* Do the system call */ pushl %ebx - movl 16(%esp),%ebx + movl FLAGS+4(%esp),%ebx movl $SYS_ify(clone),%eax int $0x80 popl %ebx @@ -82,6 +90,6 @@ L(here): pushl %eax call JUMPTARGET (_exit) -PSEUDO_END (__clone) +PSEUDO_END (BP_SYM (__clone)) -weak_alias (__clone, clone) +weak_alias (BP_SYM (__clone), BP_SYM (clone)) |