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/* Definitions of target machine for GCC, for ELF on NetBSD/sparc
and NetBSD/sparc64.
Copyright (C) 2002, 2003, 2004, 2005, 2007, 2010, 2011
Free Software Foundation, Inc.
Contributed by Matthew Green (mrg@eterna.com.au).
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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_ELF(); \
if (TARGET_ARCH64) \
{ \
builtin_define ("__sparc64__"); \
builtin_define ("__sparc_v9__"); \
builtin_define ("__sparcv9"); \
} \
else \
builtin_define ("__sparc"); \
builtin_define ("__sparc__"); \
} \
while (0)
/* CPP defines used by all NetBSD targets. */
#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
/* This is the char to use for continuation (in case we need to turn
continuation back on). */
#undef DBX_CONTIN_CHAR
#define DBX_CONTIN_CHAR '?'
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
This is suitable for output with `assemble_name'. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
#undef ASM_SPEC
#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} \
%(asm_cpu) %(asm_arch) %(asm_relax)"
#undef STDC_0_IN_SYSTEM_HEADERS
#define HAVE_ENABLE_EXECUTE_STACK
/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
description, allowing one to build 32-bit or 64-bit applications
on either. We define the sparc & sparc64 versions of things,
occasionally a neutral version (should be the same as "netbsd-elf.h")
and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
we choose the correct version. */
/* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
not have a default place to find these libraries.. */
/* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
platform here. */
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
/* A 64 bit v9 compiler with stack-bias,
in a Medium/Low code model environment. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
+ MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_MEDANY
#endif
/* CC1_SPEC for NetBSD/sparc. */
#define CC1_SPEC32 \
"%{m32:%{m64:%emay not use both -m32 and -m64}} \
%{m64: \
-mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
%{!mcpu*:%{!mv8plus:-mcpu=ultrasparc}} \
%{!mno-vis:%{!mcpu=v9:-mvis}} \
%{p:-mcmodel=medlow} \
%{pg:-mcmodel=medlow}}"
#define CC1_SPEC64 \
"%{m32:%{m64:%emay not use both -m32 and -m64}} \
%{m32: \
-mptr32 -mno-stack-bias \
%{!mlong-double-128:-mlong-double-64} \
%{!mcpu*:%{!mv8plus:-mcpu=cypress}}} \
%{!m32: \
%{p:-mcmodel=medlow} \
%{pg:-mcmodel=medlow}}"
/* Make sure we use the right output format. Pick a default and then
make sure -m32/-m64 switch to the right one. */
#define LINK_ARCH32_SPEC "-m elf32_sparc"
#define LINK_ARCH64_SPEC "-m elf64_sparc"
#define LINK_ARCH_SPEC \
"%{m32:%(link_arch32)} \
%{m64:%(link_arch64)} \
%{!m32:%{!m64:%(link_arch_default)}}"
#undef LINK_SPEC
#define LINK_SPEC \
"%(link_arch) \
%{!mno-relax:%{!r:-relax}} \
%(netbsd_link_spec)"
#define NETBSD_ENTRY_POINT "__start"
#if DEFAULT_ARCH32_P
#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
#else
#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
#endif
/* What extra spec entries do we need? */
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "link_arch32", LINK_ARCH32_SPEC }, \
{ "link_arch64", LINK_ARCH64_SPEC }, \
{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
{ "link_arch", LINK_ARCH_SPEC }, \
{ "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
{ "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
/* Build a compiler that supports -m32 and -m64? */
#ifdef SPARC_BI_ARCH
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
#else
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
#endif
#undef CC1_SPEC
#if DEFAULT_ARCH32_P
#define CC1_SPEC CC1_SPEC32
#else
#define CC1_SPEC CC1_SPEC64
#endif
#if DEFAULT_ARCH32_P
#define MULTILIB_DEFAULTS { "m32" }
#else
#define MULTILIB_DEFAULTS { "m64" }
#endif
#else /* SPARC_BI_ARCH */
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 128
#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
#undef CC1_SPEC
#define CC1_SPEC CC1_SPEC64
#else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
/* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
for 32-bit code, unlike Solaris. */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
#undef CC1_SPEC
#define CC1_SPEC CC1_SPEC32
#endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
#endif /* SPARC_BI_ARCH */
/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
|
