170 lines
5.7 KiB
C
170 lines
5.7 KiB
C
/* 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 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 8 and 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 8 and 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
|
|
|
|
#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
|
|
|
|
/* 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
|