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/* Configuration file for a mips64 OpenBSD target.
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* This must agree with <machine/_types.h> */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
#undef INTMAX_TYPE
#define INTMAX_TYPE "long long int"
#undef UINTMAX_TYPE
#define UINTMAX_TYPE "long long unsigned int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* If defined, a C expression whose value is a string containing the
assembler operation to identify the following data as
uninitialized global data. If not defined, and neither
`ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
uninitialized global data will be output in the data section if
`-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
used. */
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#define ASM_OUTPUT_ALIGNED_BSS mips_output_aligned_bss
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
/* If we don't set MASK_ABICALLS, we can't default to PIC. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT MASK_ABICALLS
#define TARGET_OS_CPP_BUILTINS() \
do { \
OPENBSD_OS_CPP_BUILTINS(); \
\
if (TARGET_64BIT) \
builtin_define ("__mips64__"); \
\
if (TARGET_ABICALLS) \
builtin_define ("__ABICALLS__"); \
\
if (mips_abi == ABI_EABI) \
builtin_define ("__mips_eabi"); \
else if (mips_abi == ABI_N32) \
builtin_define ("__mips_n32"); \
else if (mips_abi == ABI_64) \
builtin_define ("__mips_n64"); \
else if (mips_abi == ABI_O64) \
builtin_define ("__mips_o64"); \
\
if (mips_abi == ABI_N32) \
{ \
builtin_define ("_ABIN32=2"); \
builtin_define ("_MIPS_SIM=_ABIN32"); \
builtin_define ("_MIPS_SZLONG=32"); \
builtin_define ("_MIPS_SZPTR=32"); \
} \
else if (mips_abi == ABI_64) \
{ \
builtin_define ("_ABI64=3"); \
builtin_define ("_MIPS_SIM=_ABI64"); \
builtin_define ("_MIPS_SZLONG=64"); \
builtin_define ("_MIPS_SZPTR=64"); \
} \
else \
{ \
builtin_define ("_ABIO32=1"); \
builtin_define ("_MIPS_SIM=_ABIO32"); \
builtin_define ("_MIPS_SZLONG=32"); \
builtin_define ("_MIPS_SZPTR=32"); \
} \
if (TARGET_FLOAT64) \
builtin_define ("_MIPS_FPSET=32"); \
else \
builtin_define ("_MIPS_FPSET=16"); \
\
builtin_define ("_MIPS_SZINT=32"); \
} while (0)
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
/* A standard GNU/Linux mapping. On most targets, it is included in
CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC
and provides this hook instead. */
#undef SUBTARGET_CC1_SPEC
#define SUBTARGET_CC1_SPEC "%{profile:-p}"
/* From iris5.h */
/* -G is incompatible with -KPIC which is the default, so only allow objects
in the small data section if the user explicitly asks for it. */
#undef MIPS_DEFAULT_GVALUE
#define MIPS_DEFAULT_GVALUE 0
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
/* Borrowed from sparc/linux.h */
#undef LINK_SPEC
#define LINK_SPEC \
"%(endian_spec) \
%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
%{shared:-shared} %{R*} \
%{static:-Bstatic} \
%{!static:-Bdynamic} \
%{rdynamic:-export-dynamic} \
%{assert*} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
/* As an elf system, we need crtbegin/crtend stuff. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
crtbegin%O%s} %{shared:crtbeginS%O%s}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
#undef SUBTARGET_ASM_SPEC
#define SUBTARGET_ASM_SPEC "%{mabi=64: -64} %{!mno-abicalls:-KPIC}"
/* The MIPS assembler has different syntax for .set. We set it to
.dummy to trap any errors. */
#undef SET_ASM_OP
#define SET_ASM_OP "\t.dummy\t"
#undef ASM_OUTPUT_DEF
#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)
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
do { \
if (!flag_inhibit_size_directive) \
{ \
fputs ("\t.ent\t", STREAM); \
assemble_name (STREAM, NAME); \
putc ('\n', STREAM); \
} \
ASM_OUTPUT_TYPE_DIRECTIVE (STREAM, NAME, "function"); \
assemble_name (STREAM, NAME); \
fputs (":\n", STREAM); \
} while (0)
#undef ASM_DECLARE_FUNCTION_SIZE
#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \
do { \
if (!flag_inhibit_size_directive) \
{ \
fputs ("\t.end\t", STREAM); \
assemble_name (STREAM, NAME); \
putc ('\n', STREAM); \
} \
} while (0)
/* Tell function_prologue in mips.c that we have already output the .ent/.end
pseudo-ops. */
#undef FUNCTION_NAME_ALREADY_DECLARED
#define FUNCTION_NAME_ALREADY_DECLARED 1
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* The glibc _mcount stub will save $v0 for us. Don't mess with saving
it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the
presence of $gp-relative calls. */
#undef ASM_OUTPUT_REG_PUSH
#undef ASM_OUTPUT_REG_POP
#undef LIB_SPEC
#define LIB_SPEC OBSD_LIB_SPEC
#undef ENABLE_EXECUTE_STACK
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