/* Target definitions for GCC for Intel 80386 running Solaris 2
|
/* Target definitions for GCC for Intel 80386 running Solaris 2
|
Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
|
2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
|
Contributed by Fred Fish (fnf@cygnus.com).
|
Contributed by Fred Fish (fnf@cygnus.com).
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify
|
GCC is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3, or (at your option)
|
the Free Software Foundation; either version 3, or (at your option)
|
any later version.
|
any later version.
|
|
|
GCC is distributed in the hope that it will be useful,
|
GCC is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
/* The Solaris 2.0 x86 linker botches alignment of code sections.
|
/* The Solaris 2.0 x86 linker botches alignment of code sections.
|
It tries to align to a 16 byte boundary by padding with 0x00000090
|
It tries to align to a 16 byte boundary by padding with 0x00000090
|
ints, rather than 0x90 bytes (nop). This generates trash in the
|
ints, rather than 0x90 bytes (nop). This generates trash in the
|
".init" section since the contribution from crtbegin.o is only 7
|
".init" section since the contribution from crtbegin.o is only 7
|
bytes. The linker pads it to 16 bytes with a single 0x90 byte, and
|
bytes. The linker pads it to 16 bytes with a single 0x90 byte, and
|
two 0x00000090 ints, which generates a segmentation violation when
|
two 0x00000090 ints, which generates a segmentation violation when
|
executed. This macro forces the assembler to do the padding, since
|
executed. This macro forces the assembler to do the padding, since
|
it knows what it is doing. */
|
it knows what it is doing. */
|
#define FORCE_CODE_SECTION_ALIGN asm(ALIGN_ASM_OP "16");
|
#define FORCE_CODE_SECTION_ALIGN asm(ALIGN_ASM_OP "16");
|
|
|
/* Old versions of the Solaris assembler can not handle the difference of
|
/* Old versions of the Solaris assembler can not handle the difference of
|
labels in different sections, so force DW_EH_PE_datarel. */
|
labels in different sections, so force DW_EH_PE_datarel. */
|
#undef ASM_PREFERRED_EH_DATA_FORMAT
|
#undef ASM_PREFERRED_EH_DATA_FORMAT
|
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
|
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
|
(flag_pic ? ((GLOBAL ? DW_EH_PE_indirect : 0) \
|
(flag_pic ? ((GLOBAL ? DW_EH_PE_indirect : 0) \
|
| (TARGET_64BIT ? DW_EH_PE_pcrel | DW_EH_PE_sdata4 \
|
| (TARGET_64BIT ? DW_EH_PE_pcrel | DW_EH_PE_sdata4 \
|
: DW_EH_PE_datarel)) \
|
: DW_EH_PE_datarel)) \
|
: DW_EH_PE_absptr)
|
: DW_EH_PE_absptr)
|
|
|
/* The Solaris linker will not merge a read-only .eh_frame section
|
/* 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 a read-write .eh_frame section. None of the encodings used
|
with non-PIC code require runtime relocations. In 64-bit mode,
|
with non-PIC code require runtime relocations. In 64-bit mode,
|
since there is no backwards compatibility issue, we use a read-only
|
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 for .eh_frame. In 32-bit mode, we use a writable .eh_frame
|
section in order to be compatible with G++ for Solaris x86. */
|
section in order to be compatible with G++ for Solaris x86. */
|
#undef EH_TABLES_CAN_BE_READ_ONLY
|
#undef EH_TABLES_CAN_BE_READ_ONLY
|
#define EH_TABLES_CAN_BE_READ_ONLY (TARGET_64BIT)
|
#define EH_TABLES_CAN_BE_READ_ONLY (TARGET_64BIT)
|
|
|
/* Solaris 2/Intel as chokes on #line directives. */
|
/* Solaris 2/Intel as chokes on #line directives. */
|
#undef CPP_SPEC
|
#undef CPP_SPEC
|
#define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)"
|
#define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)"
|
|
|
/* FIXME: Removed -K PIC from generic Solaris 2 ASM_SPEC: the native assembler
|
/* FIXME: Removed -K PIC from generic Solaris 2 ASM_SPEC: the native assembler
|
gives many warnings: R_386_32 relocation is used for symbol ".text". */
|
gives many warnings: R_386_32 relocation is used for symbol ".text". */
|
#undef ASM_SPEC
|
#undef ASM_SPEC
|
#define ASM_SPEC "\
|
#define ASM_SPEC "\
|
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
|
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
|
%(asm_cpu) \
|
%(asm_cpu) \
|
"
|
"
|
|
|
#define ASM_CPU_SPEC ""
|
#define ASM_CPU_SPEC ""
|
|
|
#undef SUBTARGET_EXTRA_SPECS
|
#undef SUBTARGET_EXTRA_SPECS
|
#define SUBTARGET_EXTRA_SPECS \
|
#define SUBTARGET_EXTRA_SPECS \
|
{ "cpp_subtarget", CPP_SUBTARGET_SPEC }, \
|
{ "cpp_subtarget", CPP_SUBTARGET_SPEC }, \
|
{ "asm_cpu", ASM_CPU_SPEC }, \
|
{ "asm_cpu", ASM_CPU_SPEC }, \
|
{ "startfile_arch", STARTFILE_ARCH_SPEC }, \
|
{ "startfile_arch", STARTFILE_ARCH_SPEC }, \
|
{ "link_arch", LINK_ARCH_SPEC }
|
{ "link_arch", LINK_ARCH_SPEC }
|
|
|
#undef LOCAL_LABEL_PREFIX
|
#undef LOCAL_LABEL_PREFIX
|
#define LOCAL_LABEL_PREFIX "."
|
#define LOCAL_LABEL_PREFIX "."
|
|
|
/* The 32-bit Solaris assembler does not support .quad. Do not use it. */
|
/* The 32-bit Solaris assembler does not support .quad. Do not use it. */
|
#ifndef HAVE_AS_IX86_QUAD
|
#ifndef HAVE_AS_IX86_QUAD
|
#undef ASM_QUAD
|
#undef ASM_QUAD
|
#endif
|
#endif
|
|
|
/* The Solaris assembler wants a .local for non-exported aliases. */
|
/* The Solaris assembler wants a .local for non-exported aliases. */
|
#define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \
|
#define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \
|
do { \
|
do { \
|
const char *declname = \
|
const char *declname = \
|
IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
|
IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
|
ASM_OUTPUT_DEF ((FILE), declname, \
|
ASM_OUTPUT_DEF ((FILE), declname, \
|
IDENTIFIER_POINTER (TARGET)); \
|
IDENTIFIER_POINTER (TARGET)); \
|
if (! TREE_PUBLIC (DECL)) \
|
if (! TREE_PUBLIC (DECL)) \
|
{ \
|
{ \
|
fprintf ((FILE), "%s", LOCAL_ASM_OP); \
|
fprintf ((FILE), "%s", LOCAL_ASM_OP); \
|
assemble_name ((FILE), declname); \
|
assemble_name ((FILE), declname); \
|
fprintf ((FILE), "\n"); \
|
fprintf ((FILE), "\n"); \
|
} \
|
} \
|
} while (0)
|
} while (0)
|
|
|
/* Follow Sun requirements for TLS code sequences and use Sun assembler TLS
|
/* Follow Sun requirements for TLS code sequences and use Sun assembler TLS
|
syntax. */
|
syntax. */
|
#undef TARGET_SUN_TLS
|
#undef TARGET_SUN_TLS
|
#define TARGET_SUN_TLS 1
|
#define TARGET_SUN_TLS 1
|
|
|
/* The Sun assembler uses .tcomm for TLS common sections. */
|
/* The Sun assembler uses .tcomm for TLS common sections. */
|
#define TLS_COMMON_ASM_OP ".tcomm"
|
#define TLS_COMMON_ASM_OP ".tcomm"
|
|
|
/* Similar to the Sun assembler on SPARC, the native assembler requires
|
/* Similar to the Sun assembler on SPARC, the native assembler requires
|
TLS objects to be declared as @tls_obj (not @tls_object). Unlike SPARC,
|
TLS objects to be declared as @tls_obj (not @tls_object). Unlike SPARC,
|
gas doesn't understand this variant. */
|
gas doesn't understand this variant. */
|
#ifndef USE_GAS
|
#ifndef USE_GAS
|
#undef ASM_DECLARE_OBJECT_NAME
|
#undef ASM_DECLARE_OBJECT_NAME
|
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
|
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
|
do \
|
do \
|
{ \
|
{ \
|
HOST_WIDE_INT size; \
|
HOST_WIDE_INT size; \
|
\
|
\
|
if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \
|
if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_obj"); \
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_obj"); \
|
else \
|
else \
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
|
\
|
\
|
size_directive_output = 0; \
|
size_directive_output = 0; \
|
if (!flag_inhibit_size_directive \
|
if (!flag_inhibit_size_directive \
|
&& (DECL) && DECL_SIZE (DECL)) \
|
&& (DECL) && DECL_SIZE (DECL)) \
|
{ \
|
{ \
|
size_directive_output = 1; \
|
size_directive_output = 1; \
|
size = int_size_in_bytes (TREE_TYPE (DECL)); \
|
size = int_size_in_bytes (TREE_TYPE (DECL)); \
|
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
|
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
|
} \
|
} \
|
\
|
\
|
ASM_OUTPUT_LABEL (FILE, NAME); \
|
ASM_OUTPUT_LABEL (FILE, NAME); \
|
} \
|
} \
|
while (0)
|
while (0)
|
#endif
|
#endif
|
|
|
/* The Solaris assembler cannot grok .stabd directives. */
|
/* The Solaris assembler cannot grok .stabd directives. */
|
#undef NO_DBX_BNSYM_ENSYM
|
#undef NO_DBX_BNSYM_ENSYM
|
#define NO_DBX_BNSYM_ENSYM 1
|
#define NO_DBX_BNSYM_ENSYM 1
|
|
|
/* Solaris-specific #pragmas are implemented on top of attributes. Hook in
|
/* Solaris-specific #pragmas are implemented on top of attributes. Hook in
|
the bits from config/sol2.c. */
|
the bits from config/sol2.c. */
|
#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes
|
#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes
|
#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE
|
#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE
|
|
|
/* Register the Solaris-specific #pragma directives. */
|
/* Register the Solaris-specific #pragma directives. */
|
#define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas ()
|
#define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas ()
|
|
|
#undef SUBTARGET_RETURN_IN_MEMORY
|
#undef SUBTARGET_RETURN_IN_MEMORY
|
#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
|
#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
|
ix86_solaris_return_in_memory (TYPE, FNTYPE)
|
ix86_solaris_return_in_memory (TYPE, FNTYPE)
|
|
|
/* Output a simple call for .init/.fini. */
|
/* Output a simple call for .init/.fini. */
|
#define ASM_OUTPUT_CALL(FILE, FN) \
|
#define ASM_OUTPUT_CALL(FILE, FN) \
|
do \
|
do \
|
{ \
|
{ \
|
fprintf (FILE, "\tcall\t"); \
|
fprintf (FILE, "\tcall\t"); \
|
print_operand (FILE, XEXP (DECL_RTL (FN), 0), 'P'); \
|
print_operand (FILE, XEXP (DECL_RTL (FN), 0), 'P'); \
|
fprintf (FILE, "\n"); \
|
fprintf (FILE, "\n"); \
|
} \
|
} \
|
while (0)
|
while (0)
|
|
|
/* We do not need NT_VERSION notes. */
|
/* We do not need NT_VERSION notes. */
|
#undef X86_FILE_START_VERSION_DIRECTIVE
|
#undef X86_FILE_START_VERSION_DIRECTIVE
|
#define X86_FILE_START_VERSION_DIRECTIVE false
|
#define X86_FILE_START_VERSION_DIRECTIVE false
|
|
|
/* Only recent versions of Solaris 11 ld properly support hidden .gnu.linkonce
|
/* Only recent versions of Solaris 11 ld properly support hidden .gnu.linkonce
|
sections, so don't use them. */
|
sections, so don't use them. */
|
#ifndef TARGET_GNU_LD
|
#ifndef TARGET_GNU_LD
|
#define USE_HIDDEN_LINKONCE 0
|
#define USE_HIDDEN_LINKONCE 0
|
#endif
|
#endif
|
|
|
/* Put all *tf routines in libgcc. */
|
/* Put all *tf routines in libgcc. */
|
#undef LIBGCC2_HAS_TF_MODE
|
#undef LIBGCC2_HAS_TF_MODE
|
#define LIBGCC2_HAS_TF_MODE 1
|
#define LIBGCC2_HAS_TF_MODE 1
|
#define LIBGCC2_TF_CEXT q
|
#define LIBGCC2_TF_CEXT q
|
#define TF_SIZE 113
|
#define TF_SIZE 113
|
|
|
#define MD_UNWIND_SUPPORT "config/i386/sol2-unwind.h"
|
#define MD_UNWIND_SUPPORT "config/i386/sol2-unwind.h"
|
|
|
