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/* Definitions of target machine for GCC, for bi-arch Solaris 2/x86.
Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by CodeSourcery, LLC.
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/>. */
/* Override i386/sol2.h version: return 8-byte vectors in MMX registers if
possible, matching Sun Studio 12 Update 1+ compilers and other x86
targets. */
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT \
(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
#define SUBTARGET_OPTIMIZATION_OPTIONS \
{ OPT_LEVELS_1_PLUS, OPT_momit_leaf_frame_pointer, NULL, 1 }
/* GNU as understands --32 and --64, but the native Solaris
assembler requires -xarch=generic or -xarch=generic64 instead. */
#ifdef USE_GAS
#define ASM_CPU32_DEFAULT_SPEC "--32"
#define ASM_CPU64_DEFAULT_SPEC "--64"
#else
#define ASM_CPU32_DEFAULT_SPEC "-xarch=generic"
#define ASM_CPU64_DEFAULT_SPEC "-xarch=generic64"
#endif
#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC "%(asm_cpu_default)"
/* Don't let i386/x86-64.h override i386/sol2.h version. Still cannot use
-K PIC with the Solaris 10+ assembler, it gives many warnings:
Absolute relocation is used for symbol "<symbol>" */
#undef ASM_SPEC
#define ASM_SPEC ASM_SPEC_BASE
/* We do not need to search a special directory for startup files. */
#undef MD_STARTFILE_PREFIX
#define DEFAULT_ARCH32_P !TARGET_64BIT_DEFAULT
#define ARCH64_SUBDIR "amd64"
#ifdef USE_GLD
/* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly
follow the Solaris 2 ABI. Prefer them if present. */
#ifdef HAVE_LD_SOL2_EMULATION
#define ARCH32_EMULATION "elf_i386_sol2"
#define ARCH64_EMULATION "elf_x86_64_sol2"
#else
#define ARCH32_EMULATION "elf_i386"
#define ARCH64_EMULATION "elf_x86_64"
#endif
#endif
#undef ASM_COMMENT_START
#define ASM_COMMENT_START "/"
/* The native Solaris assembler can't calculate the difference between
symbols in different sections, which causes problems for -fPIC jump
tables in .rodata. */
#ifndef HAVE_AS_IX86_DIFF_SECT_DELTA
#undef JUMP_TABLES_IN_TEXT_SECTION
#define JUMP_TABLES_IN_TEXT_SECTION 1
/* The native Solaris assembler cannot handle the SYMBOL-. syntax, but
requires SYMBOL@rel/@rel64 instead. */
#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \
do { \
fputs (integer_asm_op (SIZE, FALSE), FILE); \
assemble_name (FILE, LABEL); \
fputs (SIZE == 8 ? "@rel64" : "@rel", FILE); \
} while (0)
#endif
/* As in sol2.h, override the default from i386/x86-64.h to work around
Sun as TLS bug. */
#undef ASM_OUTPUT_ALIGNED_COMMON
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
do \
{ \
if (TARGET_SUN_TLS \
&& in_section \
&& ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \
switch_to_section (bss_section); \
x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN); \
} \
while (0)
#define USE_IX86_FRAME_POINTER 1
#define USE_X86_64_FRAME_POINTER 1
#undef NO_PROFILE_COUNTERS
#undef MCOUNT_NAME
#define MCOUNT_NAME "_mcount"
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