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Diffstat (limited to 'sysdeps/unix/arm/sysdep.S')
-rw-r--r-- | sysdeps/unix/arm/sysdep.S | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S new file mode 100644 index 0000000..4810805 --- /dev/null +++ b/sysdeps/unix/arm/sysdep.S @@ -0,0 +1,71 @@ +/* Copyright (C) 1991,92,93,94,95,96,97,98,2002,03 Free Software Foundation, Inc. + This file is part of 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> + +.globl C_SYMBOL_NAME(errno) +.globl syscall_error + +#undef syscall_error +#ifdef NO_UNDERSCORES +__syscall_error: +#else +syscall_error: +#endif +#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. */ + cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */ + moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */ +#endif + +#ifdef _LIBC_REENTRANT + str lr, [sp, #-4]! + str r0, [sp, #-4]! + bl PLTJMP(C_SYMBOL_NAME(__errno_location)) + ldr r1, [sp], #4 + str r1, [r0] + mvn r0, $0 + ldr pc, [sp], #4 +#else +#ifndef PIC + ldr r1, 1f + str r0, [r1] + mvn r0, $0 + DO_RET (r14) + +1: .long C_SYMBOL_NAME(errno) +#else + @ we have to establish our PIC register + ldr r2, 1f + ldr r1, 2f +0: add r2, pc, r2 + str r0, [r1, r2] + mvn r0, $0 + DO_RET (r14) + +1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 8 +2: .word C_SYMBOL_NAME(errno)(GOTOFF) +#endif +#endif + +#undef __syscall_error +END (__syscall_error) |