X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fpa%2Fpa32-linux.h;fp=gcc%2Fconfig%2Fpa%2Fpa32-linux.h;h=28f52075a1fc2c9c5ac94714b1c91ec96c635b8a;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=81f64529a3a18db59162ee79ecd1cddb93495bc9;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/pa/pa32-linux.h b/gcc/config/pa/pa32-linux.h index 81f64529..28f52075 100644 --- a/gcc/config/pa/pa32-linux.h +++ b/gcc/config/pa/pa32-linux.h @@ -1,26 +1,60 @@ /* 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 +. */ /* 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"