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/* Definitions for PA_RISC with ELF-32 format
Copyright (C) 2000, 2002, 2004, 2006 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GCC 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* Turn off various SOM crap we don't want. */
#undef TARGET_ELF32
#define TARGET_ELF32 1
/* The libcall __canonicalize_funcptr_for_compare is referenced in
crtend.o and the reference isn't resolved in objects that don't
compare function pointers. Thus, we need to play games to provide
a reference in crtbegin.o. The rest of the define is the same
as that in crtstuff.c */
#define CTOR_LIST_BEGIN \
asm (".type __canonicalize_funcptr_for_compare,@function\n" \
" .text\n" \
" .word __canonicalize_funcptr_for_compare-$PIC_pcrel$0"); \
STATIC func_ptr __CTOR_LIST__[1] \
__attribute__ ((__unused__, section(".ctors"), \
aligned(sizeof(func_ptr)))) \
= { (func_ptr) (-1) }
/* This is a PIC version of CRT_CALL_STATIC_FUNCTION. The PIC
register has to be saved before the call and restored after
the call. We assume that register %r4 is available for this
purpose. The hack prevents GCC from deleting the restore. */
#ifdef CRTSTUFFS_O
#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
static void __attribute__((__used__)) \
call_ ## FUNC (void) \
{ \
asm (SECTION_OP); \
asm volatile ("bl " #FUNC ",%%r2\n\t" \
"copy %%r19,%%r4\n\t" \
"copy %%r4,%%r19\n" \
: \
: \
: "r1", "r2", "r4", "r20", "r21", \
"r22", "r23", "r24", "r25", "r26", \
"r27", "r28", "r29", "r31"); \
asm (TEXT_SECTION_ASM_OP); \
}
#endif
#define MD_UNWIND_SUPPORT "config/pa/linux-unwind.h"
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