diff options
Diffstat (limited to 'sysdeps/unix/arm')
| -rw-r--r-- | sysdeps/unix/arm/sysdep.S | 52 |
1 files changed, 22 insertions, 30 deletions
diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S index 6487caa919..5fc80a872e 100644 --- a/sysdeps/unix/arm/sysdep.S +++ b/sysdeps/unix/arm/sysdep.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,92,93,94,95,96,97,98 Free Software Foundation, Inc. +/* 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 @@ -37,42 +37,34 @@ syscall_error: moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */ #endif -#ifndef PIC - ldr r1, _errno_loc - str r0, [r1] #ifdef _LIBC_REENTRANT - stmdb sp!, {r0, lr} - /* put another copy of r0 at a specific errno location */ - bl C_SYMBOL_NAME(__errno_location) - ldmia sp!, {r1, lr} + str lr, [sp, #-4]! + str r0, [sp, #-4]! + bl PLTJMP(C_SYMBOL_NAME(__errno_location)) + ldr r1, [sp], #4 str r1, [r0] -#endif + mvn r0, $0 + ldr pc, [sp], #4 #else - stmdb sp!,{r10, lr} - @ we have to establish our PIC register - ldr r10, 1f - add r10, pc, r10 -0: ldr r1, 2f - ldr r1, [r10, r1] - @ store a copy in _errno_loc +#ifndef PIC + ldr r1, 1f str r0, [r1] -#ifdef _LIBC_REENTRANT - @ and another copy in thread copy of _errno_loc - mov r10, r0 - bl __errno_location(PLT) - str r10, [r0] -#endif - ldmia sp!, {r10, lr} - b 4f -1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 4 -2: .word C_SYMBOL_NAME(errno)(GOT) -4: -#endif mvn r0, $0 RETINSTR(mov, pc, r14) -#ifndef PIC -_errno_loc: .long C_SYMBOL_NAME(errno) +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 + RETINSTR(mov, pc, r14) + +1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 8 +2: .word C_SYMBOL_NAME(errno)(GOTOFF) +#endif #endif #undef __syscall_error |