/* Definitions for PA_RISC with ELF-32 format
- Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2004, 2006, 2007 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Turn off various SOM crap we don't want. */
#undef TARGET_ELF32
#define TARGET_ELF32 1
-#undef CPP_SPEC
-#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{mhppa:-D__hppa__} %{posix:-D_POSIX_SOURCE} -D_PA_RISC1_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"