diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.h | 50 |
1 files changed, 12 insertions, 38 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index 77e6bad105..64ef4008bc 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992,1993,1995-2000,2002-2006,2007 - Free Software Foundation, Inc. +/* Copyright (C) 1992,1993,1995-2000,2002-2006,2007,2011 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, <drepper@gnu.org>, August 1995. @@ -121,13 +121,12 @@ # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_HANDLER \ 0:SETUP_PIC_REG (cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ movl SYSCALL_ERROR_ERRNO@GOTNTPOFF(%ecx), %ecx; \ @@ -136,38 +135,13 @@ SYSCALL_ERROR_HANDLER_TLS_STORE (%edx, %ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); -# ifndef NO_TLS_DIRECT_SEG_REFS -# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ +# ifndef NO_TLS_DIRECT_SEG_REFS +# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ movl src, %gs:(destoff) -# else -# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ +# else +# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ addl %gs:0, destoff; \ movl src, (destoff) -# endif -# else -# define SYSCALL_ERROR_HANDLER \ -0:pushl %ebx; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (ebx, 0); \ - SETUP_PIC_REG (bx); \ - addl $_GLOBAL_OFFSET_TABLE_, %ebx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ - pushl %edx; \ - cfi_adjust_cfa_offset (4); \ - PUSH_ERRNO_LOCATION_RETURN; \ - call BP_SYM (__errno_location)@PLT; \ - POP_ERRNO_LOCATION_RETURN; \ - popl %ecx; \ - cfi_adjust_cfa_offset (-4); \ - popl %ebx; \ - cfi_adjust_cfa_offset (-4); \ - cfi_restore (ebx); \ - movl %ecx, (%eax); \ - orl $-1, %eax; \ - jmp L(pseudo_end); -/* A quick note: it is assumed that the call to `__errno_location' does - not modify the stack! */ # endif # else /* Store (- %eax) into errno through the GOT. */ |