/* Copyright (C) 2001, 2003 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <features.h> #include "sysdep.h" /* Make space for the errno variable. */ .globl C_SYMBOL_NAME(errno) .type C_SYMBOL_NAME(errno),@object .lcomm C_SYMBOL_NAME(errno),4 .weak errno errno = _errno /* The syscall stubs jump here when they detect an error, bot for PIC and non-PIC. */ .syntax no_register_prefix ENTRY (__syscall_error) neg.d r10,r10 #ifdef __UCLIBC_HAS_THREADS__ subq 4,sp move.d r10,[sp] subq 4,sp move srp,[sp] /* Note that __syscall_error is only visible within this library, and no-one passes it on as a pointer, so can assume that R0 (GOT pointer) is correctly set up. */ PLTCALL (HIDDEN_JUMPTARGET(__errno_location)) move [sp+],srp move.d [sp+],r11 move.d r11,[r10] #else /* not __UCLIBC_HAS_THREADS__ */ #ifdef __arch_v32 # ifdef __PIC__ addo.d C_SYMBOL_NAME(errno:GOT),r0,acr move.d [acr],r9 move.d r10,[r9] # else /* not __PIC__ */ lapc C_SYMBOL_NAME(errno),acr move.d r10,[r9] # endif /* not __PIC__ */ #else /* not __arch_v32 */ # ifdef __PIC__ move.d [r0+C_SYMBOL_NAME(errno:GOT)],r9 move.d r10,[r9] # else move.d r10,[C_SYMBOL_NAME(errno)] # endif #endif /* not __arch_v32 */ #endif /* __UCLIBC_HAS_THREADS__ */ #ifdef __PIC__ /* PIC callers are supposed to have R0 on stack, ready for us to restore. Callers are only allowed from within this DSO, so the GOT in r0 is the one we want to use. (Don't use "ret" - it's a macro). */ moveq -1,r10 Ret move.d [sp+],r0 #else Ret moveq -1,r10 #endif END (__syscall_error)