1 /* Definitions for MIPS running Linux-based GNU systems with ELF format.
2 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 #define WCHAR_TYPE "int"
25 #undef WCHAR_TYPE_SIZE
26 #define WCHAR_TYPE_SIZE 32
28 /* If defined, a C expression whose value is a string containing the
29 assembler operation to identify the following data as
30 uninitialized global data. If not defined, and neither
31 `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
32 uninitialized global data will be output in the data section if
33 `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
35 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
37 #define ASM_OUTPUT_ALIGNED_BSS mips_output_aligned_bss
39 #undef ASM_DECLARE_OBJECT_NAME
40 #define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
43 #if TARGET_ENDIAN_DEFAULT == 0
44 #define TARGET_VERSION fprintf (stderr, " (MIPSel GNU/Linux with ELF)");
46 #define TARGET_VERSION fprintf (stderr, " (MIPS GNU/Linux with ELF)");
50 #undef MD_STARTFILE_PREFIX
52 /* If we don't set MASK_ABICALLS, we can't default to PIC. */
54 #define TARGET_DEFAULT (MASK_ABICALLS|MASK_GAS)
56 #define TARGET_OS_CPP_BUILTINS() \
58 builtin_define ("__gnu_linux__"); \
59 builtin_define ("__PIC__"); \
60 builtin_define ("__pic__"); \
61 builtin_define_std ("unix"); \
62 builtin_define_std ("linux"); \
63 builtin_assert ("system=linux"); \
64 /* The GNU C++ standard library requires this. */ \
65 if (c_dialect_cxx ()) \
66 builtin_define ("_GNU_SOURCE"); \
68 if (mips_abi == ABI_N32) \
70 builtin_define ("_ABIN32=2"); \
71 builtin_define ("_MIPS_SIM=_ABIN32"); \
72 builtin_define ("_MIPS_SZLONG=32"); \
73 builtin_define ("_MIPS_SZPTR=32"); \
75 else if (mips_abi == ABI_64) \
77 builtin_define ("_ABI64=3"); \
78 builtin_define ("_MIPS_SIM=_ABI64"); \
79 builtin_define ("_MIPS_SZLONG=64"); \
80 builtin_define ("_MIPS_SZPTR=64"); \
84 builtin_define ("_MIPS_SIM=_MIPS_SIM_ABI32"); \
85 builtin_define ("_MIPS_SZLONG=32"); \
86 builtin_define ("_MIPS_SZPTR=32"); \
89 builtin_define ("_MIPS_FPSET=32"); \
91 builtin_define ("_MIPS_FPSET=16"); \
94 builtin_define ("_MIPS_SZINT=64"); \
96 builtin_define ("_MIPS_SZINT=32"); \
99 #undef SUBTARGET_CPP_SPEC
100 #define SUBTARGET_CPP_SPEC "\
101 %{fno-PIC:-U__PIC__ -U__pic__} %{fno-pic:-U__PIC__ -U__pic__} \
102 %{fPIC|fPIE|fpic|fpie:-D__PIC__ -D__pic__} \
103 %{pthread:-D_REENTRANT}"
106 /* -G is incompatible with -KPIC which is the default, so only allow objects
107 in the small data section if the user explicitly asks for it. */
108 #undef MIPS_DEFAULT_GVALUE
109 #define MIPS_DEFAULT_GVALUE 0
111 /* Borrowed from sparc/linux.h */
119 %{rdynamic:-export-dynamic} \
120 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
123 #undef SUBTARGET_ASM_SPEC
124 #define SUBTARGET_ASM_SPEC "\
126 %{!fno-PIC:%{!fno-pic:-KPIC}} \
127 %{fno-PIC:-non_shared} %{fno-pic:-non_shared}"
129 #undef SUBTARGET_ASM_DEBUGGING_SPEC
130 #define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
132 /* The MIPS assembler has different syntax for .set. We set it to
133 .dummy to trap any errors. */
135 #define SET_ASM_OP "\t.dummy\t"
137 #undef ASM_OUTPUT_DEF
138 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
140 fputc ( '\t', FILE); \
141 assemble_name (FILE, LABEL1); \
142 fputs ( " = ", FILE); \
143 assemble_name (FILE, LABEL2); \
144 fputc ( '\n', FILE); \
147 #undef ASM_DECLARE_FUNCTION_NAME
148 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
150 if (!flag_inhibit_size_directive) \
152 fputs ("\t.ent\t", STREAM); \
153 assemble_name (STREAM, NAME); \
154 putc ('\n', STREAM); \
156 ASM_OUTPUT_TYPE_DIRECTIVE (STREAM, NAME, "function"); \
157 assemble_name (STREAM, NAME); \
158 fputs (":\n", STREAM); \
161 #undef ASM_DECLARE_FUNCTION_SIZE
162 #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \
164 if (!flag_inhibit_size_directive) \
166 fputs ("\t.end\t", STREAM); \
167 assemble_name (STREAM, NAME); \
168 putc ('\n', STREAM); \
172 /* Tell function_prologue in mips.c that we have already output the .ent/.end
174 #define FUNCTION_NAME_ALREADY_DECLARED
176 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
178 ? ((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4\
181 /* The glibc _mcount stub will save $v0 for us. Don't mess with saving
182 it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the
183 presence of $gp-relative calls. */
184 #undef ASM_OUTPUT_REG_PUSH
185 #undef ASM_OUTPUT_REG_POP
190 %{!static:-rpath-link %R/lib:%R/usr/lib} \
191 %{!shared: %{pthread:-lpthread} \
192 %{profile:-lc_p} %{!profile: -lc}}"