| /* Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 2000 Free Software Foundation, Inc. |
| This file has been modified from the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| #define _ERRNO_H |
| #include <bits/errno.h> |
| #include <bp-asm.h> |
| #include <bp-sym.h> |
| |
| .globl __syscall_error |
| |
| __syscall_error: |
| #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN |
| /* We translate the system's EWOULDBLOCK error into EAGAIN. |
| The GNU C library always defines EWOULDBLOCK==EAGAIN. |
| EWOULDBLOCK_sys is the original number. */ |
| cmpl $EWOULDBLOCK_sys, %eax /* Is it the old EWOULDBLOCK? */ |
| jne notb /* Branch if not. */ |
| movl $EAGAIN, %eax /* Yes; translate it to EAGAIN. */ |
| notb: |
| #endif |
| #ifndef PIC |
| pushl %eax |
| PUSH_ERRNO_LOCATION_RETURN |
| call BP_SYM (__errno) |
| POP_ERRNO_LOCATION_RETURN |
| popl %ecx |
| movl %ecx, (%eax) |
| #else |
| /* The caller has pushed %ebx and then set it up to |
| point to the GOT before calling us through the PLT. */ |
| pushl %eax |
| PUSH_ERRNO_LOCATION_RETURN |
| call C_SYMBOL_NAME (BP_SYM (__errno)@PLT) |
| POP_ERRNO_LOCATION_RETURN |
| popl %ecx |
| /* Pop %ebx value saved before jumping here. */ |
| popl %ebx |
| movl %ecx, (%eax) |
| #endif |
| movl $-1, %eax |
| ret |
| |
| #undef __syscall_error |
| END (__syscall_error) |
