| /* Definitions of target machine for GNU compiler. MIPS R4000 version with |
| GOFAST floating point library. |
| Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2002, 2004 |
| 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* Biggest alignment supported by the object file format of this |
| machine. Use this macro to limit the alignment which can be |
| specified using the `__attribute__ ((aligned (N)))' construct. If |
| not defined, the default value is `BIGGEST_ALIGNMENT'. */ |
| |
| #undef MAX_OFILE_ALIGNMENT |
| #define MAX_OFILE_ALIGNMENT (32768*8) |
| |
| /* Switch into a generic section. */ |
| #undef TARGET_ASM_NAMED_SECTION |
| #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section |
| |
| /* The following macro defines the format used to output the second |
| operand of the .type assembler directive. Different svr4 assemblers |
| expect various different forms for this operand. The one given here |
| is just a default. You may need to override it in your machine- |
| specific tm.h file (depending upon the particulars of your assembler). */ |
| |
| #define TYPE_OPERAND_FMT "@%s" |
| |
| /* Define the strings used for the special svr4 .type and .size directives. |
| These strings generally do not vary from one system running svr4 to |
| another, but if a given system (e.g. m88k running svr) needs to use |
| different pseudo-op names for these, they may be overridden in the |
| file which includes this one. */ |
| |
| #undef TYPE_ASM_OP |
| #undef SIZE_ASM_OP |
| #define TYPE_ASM_OP "\t.type\t" |
| #define SIZE_ASM_OP "\t.size\t" |
| |
| #undef ASM_DECLARE_OBJECT_NAME |
| #define ASM_DECLARE_OBJECT_NAME mips_declare_object_name |
| |
| #undef ASM_FINISH_DECLARE_OBJECT |
| #define ASM_FINISH_DECLARE_OBJECT mips_finish_declare_object |
| |
| #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ |
| do { fputc ( '\t', FILE); \ |
| assemble_name (FILE, LABEL1); \ |
| fputs ( " = ", FILE); \ |
| assemble_name (FILE, LABEL2); \ |
| fputc ( '\n', FILE); \ |
| } while (0) |
| |
| /* Note about .weak vs. .weakext |
| The mips native assemblers support .weakext, but not .weak. |
| mips-elf gas supports .weak, but not .weakext. |
| mips-elf gas has been changed to support both .weak and .weakext, |
| but until that support is generally available, the 'if' below |
| should serve. */ |
| |
| #undef ASM_WEAKEN_LABEL |
| #define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,0) |
| #define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE) \ |
| do { \ |
| if (TARGET_GAS) \ |
| fputs ("\t.weak\t", FILE); \ |
| else \ |
| fputs ("\t.weakext\t", FILE); \ |
| assemble_name (FILE, NAME); \ |
| if (VALUE) \ |
| { \ |
| fputc (' ', FILE); \ |
| assemble_name (FILE, VALUE); \ |
| } \ |
| fputc ('\n', FILE); \ |
| } while (0) |
| |
| #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1) |
| |
| /* On elf, we *do* have support for the .init and .fini sections, and we |
| can put stuff in there to be executed before and after `main'. We let |
| crtstuff.c and other files know this by defining the following symbols. |
| The definitions say how to change sections to the .init and .fini |
| sections. This is the same for all known elf assemblers. */ |
| |
| #undef INIT_SECTION_ASM_OP |
| #define INIT_SECTION_ASM_OP "\t.section\t.init" |
| #undef FINI_SECTION_ASM_OP |
| #define FINI_SECTION_ASM_OP "\t.section\t.fini" |
| |
| /* Don't set the target flags, this is done by the linker script */ |
| #undef LIB_SPEC |
| #define LIB_SPEC "" |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "crti%O%s crtbegin%O%s" |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC "crtend%O%s crtn%O%s" |
| |
| /* We support #pragma. */ |
| #define HANDLE_SYSV_PRAGMA 1 |