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/* Target definitions for GCC for Intel 80386 running Solaris 2
Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2004, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
Contributed by Fred Fish (fnf@cygnus.com).
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/>. */
/* Augment i386/unix.h version to return 8-byte vectors in memory, matching
Sun Studio compilers until version 12, the only ones supported on
Solaris 9. */
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT \
(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS)
/* Old versions of the Solaris assembler can not handle the difference of
labels in different sections, so force DW_EH_PE_datarel. */
#undef ASM_PREFERRED_EH_DATA_FORMAT
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
(flag_pic ? ((GLOBAL ? DW_EH_PE_indirect : 0) \
| (TARGET_64BIT ? DW_EH_PE_pcrel | DW_EH_PE_sdata4 \
: DW_EH_PE_datarel)) \
: DW_EH_PE_absptr)
/* The Solaris linker will not merge a read-only .eh_frame section
with a read-write .eh_frame section. None of the encodings used
with non-PIC code require runtime relocations. In 64-bit mode,
since there is no backwards compatibility issue, we use a read-only
section for .eh_frame. In 32-bit mode, we use a writable .eh_frame
section in order to be compatible with G++ for Solaris x86. */
#undef EH_TABLES_CAN_BE_READ_ONLY
#define EH_TABLES_CAN_BE_READ_ONLY (TARGET_64BIT)
/* Follow Sun requirements for TLS code sequences and use Sun assembler TLS
syntax. */
#undef TARGET_SUN_TLS
#define TARGET_SUN_TLS 1
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
/* Solaris 2/Intel as chokes on #line directives before Solaris 10. */
#undef CPP_SPEC
#define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)"
#define ASM_CPU_DEFAULT_SPEC ""
#define ASM_CPU_SPEC ""
/* Don't include ASM_PIC_SPEC. While the Solaris 9 assembler accepts
-K PIC, it gives many warnings:
R_386_32 relocation is used for symbol "<symbol>"
GNU as doesn't recognize -K at all. */
#undef ASM_SPEC
#define ASM_SPEC ASM_SPEC_BASE
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
%{mpc32:crtprec32.o%s} \
%{mpc64:crtprec64.o%s} \
%{mpc80:crtprec80.o%s} \
crtend.o%s crtn.o%s"
#define SUBTARGET_CPU_EXTRA_SPECS \
{ "cpp_subtarget", CPP_SUBTARGET_SPEC }, \
{ "asm_cpu", ASM_CPU_SPEC }, \
{ "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "startfile_arch", STARTFILE_ARCH_SPEC }, \
{ "link_arch", LINK_ARCH_SPEC }, \
SUBTARGET_CPU_EXTRA_SPECS
/* Register the Solaris-specific #pragma directives. */
#define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas ()
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* The 32-bit Solaris assembler does not support .quad. Do not use it. */
#ifndef HAVE_AS_IX86_QUAD
#undef ASM_QUAD
#endif
/* The Solaris assembler wants a .local for non-exported aliases. */
#define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \
do { \
const char *declname = \
IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
ASM_OUTPUT_DEF ((FILE), declname, \
IDENTIFIER_POINTER (TARGET)); \
if (! TREE_PUBLIC (DECL)) \
{ \
fprintf ((FILE), "%s", LOCAL_ASM_OP); \
assemble_name ((FILE), declname); \
fprintf ((FILE), "\n"); \
} \
} while (0)
#ifndef USE_GAS
/* The Sun assembler uses .tcomm for TLS common sections. */
#define TLS_COMMON_ASM_OP ".tcomm"
/* Similar to the Sun assembler on SPARC, the native assembler requires
TLS objects to be declared as @tls_obj (not @tls_object). Unlike SPARC,
gas doesn't understand this variant. */
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
do \
{ \
HOST_WIDE_INT size; \
\
if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_obj"); \
else \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
\
size_directive_output = 0; \
if (!flag_inhibit_size_directive \
&& (DECL) && DECL_SIZE (DECL)) \
{ \
size_directive_output = 1; \
size = int_size_in_bytes (TREE_TYPE (DECL)); \
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
} \
\
ASM_OUTPUT_LABEL (FILE, NAME); \
} \
while (0)
#endif /* !USE_GAS */
/* Output a simple call for .init/.fini. */
#define ASM_OUTPUT_CALL(FILE, FN) \
do \
{ \
fprintf (FILE, "\tcall\t"); \
ix86_print_operand (FILE, XEXP (DECL_RTL (FN), 0), 'P'); \
fprintf (FILE, "\n"); \
} \
while (0)
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section
#ifndef USE_GAS
/* Emit COMDAT group signature symbols for Sun as. */
#undef TARGET_ASM_FILE_END
#define TARGET_ASM_FILE_END solaris_file_end
#endif
/* Unlike GNU ld, Sun ld doesn't coalesce .ctors.N/.dtors.N sections, so
inhibit their creation. Also cf. sparc/sysv4.h. */
#ifndef USE_GLD
#define CTORS_SECTION_ASM_OP "\t.section\t.ctors, \"aw\""
#define DTORS_SECTION_ASM_OP "\t.section\t.dtors, \"aw\""
#endif
/* We do not need NT_VERSION notes. */
#undef X86_FILE_START_VERSION_DIRECTIVE
#define X86_FILE_START_VERSION_DIRECTIVE false
/* Only recent versions of Solaris 11 ld properly support hidden .gnu.linkonce
sections, so don't use them. */
#ifndef USE_GLD
#define USE_HIDDEN_LINKONCE 0
#endif
/* Put all *tf routines in libgcc. */
#undef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE 1
#define LIBGCC2_TF_CEXT q
#define TF_SIZE 113
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