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/* Definitions for SH running OpenBSD using ELF
Copyright (C) 2002 - 2006 Free Software Foundation, Inc.
Adapted from the NetBSD configuration contributed by Wasabi Systems, 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 this program; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* Get generic OpenBSD definitions. */
#include <openbsd.h>
#define TARGET_VERSION_ENDIAN "le"
#define TARGET_VERSION_CPU "sh"
/* Enable DWARF 2 exceptions. */
#undef DWARF2_UNWIND_INFO
#define DWARF2_UNWIND_INFO 1
#undef TARGET_CPU_DEFAULT
#define TARGET_CPU_DEFAULT SELECT_SH4
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(TARGET_CPU_DEFAULT | MASK_USERMODE | TARGET_ENDIAN_DEFAULT)
#define TARGET_OS_CPP_BUILTINS() OPENBSD_OS_CPP_BUILTINS_ELF()
/* Layout of source language data types */
/* 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
#undef LINK_DEFAULT_CPU_EMUL
#define LINK_DEFAULT_CPU_EMUL ""
#undef SUBTARGET_LINK_EMUL_SUFFIX
#define SUBTARGET_LINK_EMUL_SUFFIX "_obsd"
#undef LINK_EMUL_PREFIX
#define LINK_EMUL_PREFIX "sh%{!mb:l}elf"
#undef SUBTARGET_LINK_SPEC
#ifdef OBSD_NO_DYNAMIC_LIBRARIES
#define SUBTARGET_LINK_SPEC \
"%{g:%{!nostdlib:-L/usr/lib/debug}} %{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{assert*}"
#else
#define SUBTARGET_LINK_SPEC \
"%{g:%{!nostdlib:-L/usr/lib/debug}} \
%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
%{shared:-Bshareable -x} -dc -dp %{R*} \
%{static:-Bstatic} \
%{rdynamic:-export-dynamic} \
%{assert*} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
#endif
#undef LINK_SPEC
#define LINK_SPEC SH_LINK_SPEC
/* 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}"
/* Needed for ELF (inspired by netbsd-elf). */
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* Provide a CPP_SPEC appropriate for OpenBSD. */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
/* Define because we use the label and we do not need them. */
#define NO_PROFILE_COUNTERS 1
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(STREAM,LABELNO) \
do \
{ \
if (TARGET_SHMEDIA32 || TARGET_SHMEDIA64) \
{ \
/* FIXME */ \
sorry ("unimplemented-shmedia profiling"); \
} \
else \
{ \
fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n", \
LOCAL_LABEL_PREFIX, (LABELNO)); \
fprintf((STREAM), "\tmova\t%sLP%dr,r0\n", \
LOCAL_LABEL_PREFIX, (LABELNO)); \
fprintf((STREAM), "\tjmp\t@r1\n"); \
fprintf((STREAM), "\tnop\n"); \
fprintf((STREAM), "\t.align\t2\n"); \
fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n", \
LOCAL_LABEL_PREFIX, (LABELNO)); \
fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO)); \
} \
} \
while (0)
/* Since libgcc is compiled with -fpic for this target, we can't use
__sdivsi3_1 as the division strategy for -O0 and -Os. */
#undef SH_DIV_STRATEGY_DEFAULT
#define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2
#undef SH_DIV_STR_FOR_SIZE
#define SH_DIV_STR_FOR_SIZE "call2"
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