/* Definitions for PA_RISC with ELF-32 format
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/* Definitions for PA_RISC with ELF-32 format
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Copyright (C) 2000, 2002, 2004, 2006, 2007 Free Software Foundation, Inc.
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Copyright (C) 2000, 2002, 2004, 2006, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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/* Turn off various SOM crap we don't want. */
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/* Turn off various SOM crap we don't want. */
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#undef TARGET_ELF32
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#undef TARGET_ELF32
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#define TARGET_ELF32 1
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#define TARGET_ELF32 1
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/* The libcall __canonicalize_funcptr_for_compare is referenced in
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/* The libcall __canonicalize_funcptr_for_compare is referenced in
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crtend.o and the reference isn't resolved in objects that don't
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crtend.o and the reference isn't resolved in objects that don't
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compare function pointers. Thus, we need to play games to provide
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compare function pointers. Thus, we need to play games to provide
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a reference in crtbegin.o. The rest of the define is the same
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a reference in crtbegin.o. The rest of the define is the same
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as that in crtstuff.c */
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as that in crtstuff.c */
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#define CTOR_LIST_BEGIN \
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#define CTOR_LIST_BEGIN \
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asm (".type __canonicalize_funcptr_for_compare,@function\n" \
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asm (".type __canonicalize_funcptr_for_compare,@function\n" \
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" .text\n" \
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" .text\n" \
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" .word __canonicalize_funcptr_for_compare-$PIC_pcrel$0"); \
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" .word __canonicalize_funcptr_for_compare-$PIC_pcrel$0"); \
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STATIC func_ptr __CTOR_LIST__[1] \
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STATIC func_ptr __CTOR_LIST__[1] \
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__attribute__ ((__unused__, section(".ctors"), \
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__attribute__ ((__unused__, section(".ctors"), \
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aligned(sizeof(func_ptr)))) \
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aligned(sizeof(func_ptr)))) \
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= { (func_ptr) (-1) }
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= { (func_ptr) (-1) }
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/* This is a PIC version of CRT_CALL_STATIC_FUNCTION. The PIC
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/* This is a PIC version of CRT_CALL_STATIC_FUNCTION. The PIC
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register has to be saved before the call and restored after
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register has to be saved before the call and restored after
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the call. We assume that register %r4 is available for this
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the call. We assume that register %r4 is available for this
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purpose. The hack prevents GCC from deleting the restore. */
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purpose. The hack prevents GCC from deleting the restore. */
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#ifdef CRTSTUFFS_O
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#ifdef CRTSTUFFS_O
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#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
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#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
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static void __attribute__((__used__)) \
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static void __attribute__((__used__)) \
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call_ ## FUNC (void) \
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call_ ## FUNC (void) \
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{ \
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{ \
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asm (SECTION_OP); \
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asm (SECTION_OP); \
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asm volatile ("bl " #FUNC ",%%r2\n\t" \
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asm volatile ("bl " #FUNC ",%%r2\n\t" \
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"copy %%r19,%%r4\n\t" \
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"copy %%r19,%%r4\n\t" \
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"copy %%r4,%%r19\n" \
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"copy %%r4,%%r19\n" \
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: \
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: \
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: \
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: \
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: "r1", "r2", "r4", "r20", "r21", \
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: "r1", "r2", "r4", "r20", "r21", \
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"r22", "r23", "r24", "r25", "r26", \
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"r22", "r23", "r24", "r25", "r26", \
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"r27", "r28", "r29", "r31"); \
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"r27", "r28", "r29", "r31"); \
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asm (TEXT_SECTION_ASM_OP); \
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asm (TEXT_SECTION_ASM_OP); \
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}
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}
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#endif
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#endif
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#define MD_UNWIND_SUPPORT "config/pa/linux-unwind.h"
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#define MD_UNWIND_SUPPORT "config/pa/linux-unwind.h"
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