/* Target definitions for Darwin (Mac OS X) systems.
- Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003
+ Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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
the Free Software Foundation; either version 2, or (at your option)
any later version.
-GNU CC 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
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 GNU CC; see the file COPYING. If not, write to
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#ifndef CONFIG_DARWIN_H
+#define CONFIG_DARWIN_H
+
/* The definitions in this file are common to all processor types
running Darwin, which is the kernel for Mac OS X. Darwin is
basically a BSD user layer laid over a Mach kernel, then evolved
/* Although NeXT ran on many different architectures, as of Jan 2001
the only supported Darwin targets are PowerPC and x86. */
-/* Technically, STANDARD_EXEC_PREFIX should be /usr/libexec/, but in
- practice this makes it hard to install new compilers elsewhere, so
- leave it undefined and expect system builders to set configure args
- correctly. */
-
/* One of Darwin's NeXT legacies is the Mach-O format, which is partly
like a.out and partly like COFF, with additional features like
multi-architecture binary support. */
#define OBJECT_FORMAT_MACHO
-/* Suppress g++ attempt to link in the math library automatically.
- (Some Darwin versions have a libm, but they seem to cause problems
- for C++ executables.) */
-
+/* Suppress g++ attempt to link in the math library automatically. */
#define MATH_LIBRARY ""
/* We have atexit. */
Note that an option name with a prefix that matches another option
name, that also takes an argument, needs to be modified so the
prefix is different, otherwise a '*' after the shorter option will
- match with the longer one. */
+ match with the longer one.
+
+ The SUBTARGET_OPTION_TRANSLATE_TABLE macro, which _must_ be defined
+ in gcc/config/{i386,rs6000}/darwin.h, should contain any additional
+ command-line option translations specific to the particular target
+ architecture. */
+
#define TARGET_OPTION_TRANSLATE_TABLE \
{ "-all_load", "-Zall_load" }, \
{ "-allowable_client", "-Zallowable_client" }, \
{ "-bundle", "-Zbundle" }, \
{ "-bundle_loader", "-Zbundle_loader" }, \
{ "-weak_reference_mismatches", "-Zweak_reference_mismatches" }, \
+ { "-dead_strip", "-Zdead_strip" }, \
+ { "-no_dead_strip_inits_and_terms", "-Zno_dead_strip_inits_and_terms" }, \
{ "-dependency-file", "-MF" }, \
{ "-dylib_file", "-Zdylib_file" }, \
{ "-dynamic", "-Zdynamic" }, \
{ "-exported_symbols_list", "-Zexported_symbols_list" }, \
{ "-seg_addr_table_filename", "-Zseg_addr_table_filename" }, \
{ "-filelist", "-Xlinker -filelist -Xlinker" }, \
+ { "-framework", "-Xlinker -framework -Xlinker" }, \
{ "-flat_namespace", "-Zflat_namespace" }, \
{ "-force_cpusubtype_ALL", "-Zforce_cpusubtype_ALL" }, \
{ "-force_flat_namespace", "-Zforce_flat_namespace" }, \
{ "-multi_module", "-Zmulti_module" }, \
{ "-static", "-static -Wa,-static" }, \
{ "-single_module", "-Zsingle_module" }, \
- { "-unexported_symbols_list", "-Zunexported_symbols_list" }
+ { "-unexported_symbols_list", "-Zunexported_symbols_list" }, \
+ SUBTARGET_OPTION_TRANSLATE_TABLE
+
+/* Nonzero if the user has chosen to force sizeof(bool) to be 1
+ by providing the -mone-byte-bool switch. It would be better
+ to use SUBTARGET_SWITCHES for this instead of SUBTARGET_OPTIONS,
+ but there are no more bits in rs6000 TARGET_SWITCHES. Note
+ that this switch has no "no-" variant. */
+extern const char *darwin_one_byte_bool;
+
+extern int darwin_fix_and_continue;
+extern const char *darwin_fix_and_continue_switch;
+
+#undef SUBTARGET_OPTIONS
+#define SUBTARGET_OPTIONS \
+ {"one-byte-bool", &darwin_one_byte_bool, N_("Set sizeof(bool) to 1"), 0 }, \
+ {"fix-and-continue", &darwin_fix_and_continue_switch, \
+ N_("Generate code suitable for fast turn around debugging"), 0}, \
+ {"no-fix-and-continue", &darwin_fix_and_continue_switch, \
+ N_("Don't generate code suitable for fast turn around debugging"), 0}
/* These compiler options take n arguments. */
!strcmp (STR, "dylinker_install_name") ? 1 : \
0)
-/* Machine dependent cpp options. */
+/* Machine dependent cpp options. __APPLE_CC__ is defined as the
+ Apple include files expect it to be defined and won't work if it
+ isn't. */
#undef CPP_SPEC
-#define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}"
+#define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}\
+ -D__APPLE_CC__=1"
/* This is mostly a clone of the standard LINK_COMMAND_SPEC, plus
precomp, libtool, and fat build additions. Also we
#define LINK_COMMAND_SPEC "\
%{!fdump=*:%{!fsyntax-only:%{!precomp:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%{!Zdynamiclib:%(linker)}%{Zdynamiclib:/usr/bin/libtool} \
+ %{!Zdynamiclib:-arch %(darwin_arch)} \
+ %{Zdynamiclib:-arch_only %(darwin_arch)} \
%l %X %{d} %{s} %{t} %{Z} \
%{!Zdynamiclib:%{A} %{e*} %{m} %{N} %{n} %{r} %{u*} %{x} %{z}} \
%{@:-o %f%u.out}%{!@:%{o*}%{!o:-o a.out}} \
%{!Zdynamiclib:%{!A:%{!nostdlib:%{!nostartfiles:%S}}}} \
- %{L*} %(link_libgcc) %o %{fprofile-arcs:-lgcov} \
+ %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate:-lgcov} \
%{!nostdlib:%{!nodefaultlibs:%G %L}} \
- %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} \
- %{!--help:%{!no-c++filt|c++filt:| c++filt3 }} }}}}}}}}"
+ %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}}"
/* Please keep the random linker options in alphabetical order (modulo
'Z' and 'no' prefixes). Options that can only go to one of libtool
%{Zallowable_client*:-allowable_client %*} \
%{Zbind_at_load:-bind_at_load} \
%{Zarch_errors_fatal:-arch_errors_fatal} \
+ %{Zdead_strip:-dead_strip} \
+ %{Zno_dead_strip_inits_and_terms:-no_dead_strip_inits_and_terms} \
%{Zdylib_file*:-dylib_file %*} \
%{Zdynamic:-dynamic}\
%{Zexported_symbols_list*:-exported_symbols_list %*} \
%{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \
%{Zmultiply_defined*:-multiply_defined %*} \
%{Zmultiplydefinedunused*:-multiply_defined_unused %*} \
- %{prebind} %{noprebind} %{prebind_all_twolevel_modules} \
+ %{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \
%{read_only_relocs} \
%{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} %{seg_addr_table*} \
%{Zseg_addr_table_filename*:-seg_addr_table_filename %*} \
%{dylinker} %{Mach} "
-/* Machine dependent libraries. */
+/* Machine dependent libraries but do not redefine it if we already on 7.0 and
+ above as it needs to link with libmx also. */
-#undef LIB_SPEC
+#ifndef LIB_SPEC
#define LIB_SPEC "%{!static:-lSystem}"
+#endif
/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
%{!Zbundle:%{pg:%{static:-lgcrt0.o} \
%{!static:%{object:-lgcrt0.o} \
%{!object:%{preload:-lgcrt0.o} \
- %{!preload:-lgcrt1.o -lcrt2.o}}}} \
+ %{!preload:-lgcrt1.o crt2.o%s}}}} \
%{!pg:%{static:-lcrt0.o} \
%{!static:%{object:-lcrt0.o} \
%{!object:%{preload:-lcrt0.o} \
- %{!preload:-lcrt1.o -lcrt2.o}}}}}}"
+ %{!preload:-lcrt1.o crt2.o%s}}}}}}"
/* The native Darwin linker doesn't necessarily place files in the order
that they're specified on the link line. Thus, it is pointless
#define DBX_DEBUGGING_INFO 1
+/* Also enable Dwarf 2 as an option. */
+#define DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#define DEBUG_FRAME_SECTION "__DWARFA,__debug_frame,coalesced,no_toc+strip_static_syms"
+#define DEBUG_INFO_SECTION "__DWARFA,__debug_info"
+#define DEBUG_ABBREV_SECTION "__DWARFA,__debug_abbrev"
+#define DEBUG_ARANGES_SECTION "__DWARFA,__debug_aranges"
+#define DEBUG_MACINFO_SECTION "__DWARFA,__debug_macinfo"
+#define DEBUG_LINE_SECTION "__DWARFA,__debug_line"
+#define DEBUG_LOC_SECTION "__DWARFA,__debug_loc"
+#define DEBUG_PUBNAMES_SECTION "__DWARFA,__debug_pubnames"
+#define DEBUG_STR_SECTION "__DWARFA,__debug_str"
+#define DEBUG_RANGES_SECTION "__DWARFA,__debug_ranges"
+
/* When generating stabs debugging, use N_BINCL entries. */
#define DBX_USE_BINCL
"\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", "" , N_SO); \
} while (0)
+/* Making a symbols weak on Darwin requires more than just setting DECL_WEAK. */
+#define MAKE_DECL_ONE_ONLY(DECL) darwin_make_decl_one_only (DECL)
+
+/* Representation of linkonce symbols for the MACH-O assembler. Linkonce
+ symbols must be given a special section *and* must be preceded by a
+ special assembler directive. */
+#define ASM_MAKE_LABEL_LINKONCE(FILE, NAME) \
+ do { const char* _x = (NAME); if (!!strncmp (_x, "_OBJC_", 6)) { \
+ fputs (".weak_definition ", FILE); assemble_name (FILE, _x); \
+ fputs ("\n", FILE); }} while (0)
+
+/* We support hidden visibility */
+#undef TARGET_SUPPORTS_HIDDEN
+#define TARGET_SUPPORTS_HIDDEN 1
+
+/* The Darwin linker imposes two limitations on common symbols: they
+ can't have hidden visibility, and they can't appear in dylibs. As
+ a consequence, we should never use common symbols to represent
+ vague linkage. */
+#undef USE_COMMON_FOR_ONE_ONLY
+#define USE_COMMON_FOR_ONE_ONLY 0
+
+/* The Darwin linker doesn't want coalesced symbols to appear in
+ a static archive's table of contents. */
+#undef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
+#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 1
+
+/* We make exception information linkonce. */
+#undef TARGET_USES_WEAK_UNWIND_INFO
+#define TARGET_USES_WEAK_UNWIND_INFO 1
+
+/* We need to use a nonlocal label for the start of an EH frame: the
+ Darwin linker requires that a coalesced section start with a label. */
+#undef FRAME_BEGIN_LABEL
+#define FRAME_BEGIN_LABEL "EH_frame"
+
+/* Emit a label for the FDE corresponding to DECL. EMPTY means
+ emit a label for an empty FDE. */
+#define TARGET_ASM_EMIT_UNWIND_LABEL darwin_emit_unwind_label
+
/* Our profiling scheme doesn't LP labels and counter words. */
#define NO_PROFILE_COUNTERS 1
/* The RTTI data (e.g., __ti4name) is common and public (and static),
but it does need to be referenced via indirect PIC data pointers.
- The machopic_define_name calls are telling the machopic subsystem
+ The machopic_define_symbol calls are telling the machopic subsystem
that the name *is* defined in this module, so it doesn't need to
make them indirect. */
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
do { \
- const char *xname = NAME; \
- if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \
- xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \
- if ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL)) \
- machopic_define_name (xname); \
- if ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL)) \
+ const char *xname = NAME; \
+ if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \
+ xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \
+ if (! DECL_ONE_ONLY (DECL) && ! DECL_WEAK (DECL)) \
+ if ((TREE_STATIC (DECL) \
+ && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
+ || DECL_INITIAL (DECL)) \
+ machopic_define_symbol (DECL_RTL (DECL)); \
+ if ((TREE_STATIC (DECL) \
+ && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
+ || DECL_INITIAL (DECL)) \
(* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
- ASM_OUTPUT_LABEL (FILE, xname); \
+ ASM_OUTPUT_LABEL (FILE, xname); \
+ /* Darwin doesn't support zero-size objects, so give them a \
+ byte. */ \
+ if (tree_low_cst (DECL_SIZE_UNIT (DECL), 1) == 0) \
+ assemble_zeros (1); \
} while (0)
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
const char *xname = NAME; \
if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \
xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \
- if ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL)) \
- machopic_define_name (xname); \
+ if (! DECL_ONE_ONLY (DECL) && ! DECL_WEAK (DECL)) \
+ if ((TREE_STATIC (DECL) \
+ && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
+ || DECL_INITIAL (DECL)) \
+ machopic_define_symbol (DECL_RTL (DECL)); \
if ((TREE_STATIC (DECL) \
&& (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
|| DECL_INITIAL (DECL)) \
(* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
ASM_OUTPUT_LABEL (FILE, xname); \
- /* Avoid generating stubs for functions we've just defined by \
- outputting any required stub name label now. */ \
- machopic_output_possible_stub_label (FILE, xname); \
+ } while (0)
+
+#define ASM_DECLARE_CONSTANT_NAME(FILE, NAME, EXP, SIZE) \
+ do { \
+ ASM_OUTPUT_LABEL (FILE, NAME); \
+ /* Darwin doesn't support zero-size objects, so give them a \
+ byte. */ \
+ if ((SIZE) == 0) \
+ assemble_zeros (1); \
} while (0)
/* Wrap new method names in quotes so the assembler doesn't gag.
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME) \
do { \
- const char *xname = darwin_strip_name_encoding (NAME); \
+ const char *xname = (NAME); \
if (! strcmp (xname, "<pic base>")) \
machopic_output_function_base_name(FILE); \
else if (xname[0] == '&' || xname[0] == '*') \
{ \
int len = strlen (xname); \
if (len > 6 && !strcmp ("$stub", xname + len - 5)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 1); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
else if (len > 7 && !strcmp ("$stub\"", xname + len - 6)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 1); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 0); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
fputs (&xname[1], FILE); \
} \
else if (xname[0] == '+' || xname[0] == '-') \
else if (!strncmp (xname, ".objc_class_name_", 17)) \
fprintf (FILE, "%s", xname); \
else \
- fprintf (FILE, "_%s", xname); \
+ asm_fprintf (FILE, "%U%s", xname); \
} while (0)
/* Output before executable code. */
/* Ensure correct alignment of bss data. */
-#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
+#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
fputs (".lcomm ", (FILE)); \
if ((DECL) && ((TREE_STATIC (DECL) \
&& (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
|| DECL_INITIAL (DECL))) \
- (* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
- if ((DECL) && ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL))) \
- machopic_define_name (NAME); \
+ { \
+ (* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
+ machopic_define_symbol (DECL_RTL (DECL)); \
+ } \
} while (0)
/* The maximum alignment which the object file format can support.
#undef SECTION_FUNCTION
#define SECTION_FUNCTION(FUNCTION, SECTION, DIRECTIVE, OBJC) \
-extern void FUNCTION PARAMS ((void)); \
+extern void FUNCTION (void); \
void \
-FUNCTION () \
+FUNCTION (void) \
{ \
if (in_section != SECTION) \
{ \
in_objc_symbols, in_objc_module_info, \
in_objc_protocol, in_objc_string_object, \
in_objc_constant_string_object, \
+ in_objc_image_info, \
in_objc_class_names, in_objc_meth_var_names, \
- in_objc_meth_var_types, in_objc_cls_refs, \
+ in_objc_meth_var_types, in_objc_cls_refs, \
in_machopic_nl_symbol_ptr, \
in_machopic_lazy_symbol_ptr, \
in_machopic_symbol_stub, \
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
-static void objc_section_init PARAMS ((void)); \
+static void objc_section_init (void); \
SECTION_FUNCTION (const_section, \
in_const, \
".const", 0) \
".objc_message_refs", 1) \
SECTION_FUNCTION (objc_selector_fixup_section, \
in_objc_selector_fixup, \
- ".section __OBJC, __sel_fixup", 1) \
+ ".section __OBJC, __sel_fixup, regular, no_dead_strip", 1) \
SECTION_FUNCTION (objc_symbols_section, \
in_objc_symbols, \
".objc_symbols", 1) \
".objc_string_object", 1) \
SECTION_FUNCTION (objc_constant_string_object_section, \
in_objc_constant_string_object, \
- ".section __OBJC, __cstring_object", 1) \
+ ".section __OBJC, __cstring_object, regular, no_dead_strip", 1) \
+/* Fix-and-Continue image marker. */ \
+SECTION_FUNCTION (objc_image_info_section, \
+ in_objc_image_info, \
+ ".section __OBJC, __image_info, regular, no_dead_strip", 1) \
SECTION_FUNCTION (objc_class_names_section, \
in_objc_class_names, \
".objc_class_names", 1) \
\
SECTION_FUNCTION (machopic_lazy_symbol_ptr_section, \
in_machopic_lazy_symbol_ptr, \
- ".lazy_symbol_pointer", 0) \
+ ".lazy_symbol_pointer", 0) \
SECTION_FUNCTION (machopic_nl_symbol_ptr_section, \
in_machopic_nl_symbol_ptr, \
- ".non_lazy_symbol_pointer", 0) \
+ ".non_lazy_symbol_pointer", 0) \
SECTION_FUNCTION (machopic_symbol_stub_section, \
in_machopic_symbol_stub, \
- ".symbol_stub", 0) \
+ ".symbol_stub", 0) \
SECTION_FUNCTION (machopic_symbol_stub1_section, \
in_machopic_symbol_stub1, \
".section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16", 0)\
SECTION_FUNCTION (machopic_picsymbol_stub_section, \
in_machopic_picsymbol_stub, \
- ".picsymbol_stub", 0) \
+ ".picsymbol_stub", 0) \
SECTION_FUNCTION (machopic_picsymbol_stub1_section, \
in_machopic_picsymbol_stub1, \
".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32", 0)\
".section __DATA,__gcc_except_tab", 0) \
SECTION_FUNCTION (darwin_eh_frame_section, \
in_darwin_eh_frame, \
- ".section __TEXT,__eh_frame", 0) \
+ ".section " EH_FRAME_SECTION_NAME ",__eh_frame" EH_FRAME_SECTION_ATTR, 0) \
\
static void \
-objc_section_init () \
+objc_section_init (void) \
{ \
static int been_here = 0; \
\
objc_cls_refs_section (); \
objc_class_section (); \
objc_meta_class_section (); \
- /* shared, hot -> cold */ \
+ /* shared, hot -> cold */ \
objc_cls_meth_section (); \
objc_inst_meth_section (); \
objc_protocol_section (); \
#define TARGET_ASM_SELECT_SECTION machopic_select_section
#undef TARGET_ASM_SELECT_RTX_SECTION
#define TARGET_ASM_SELECT_RTX_SECTION machopic_select_rtx_section
+#undef TARGET_ASM_UNIQUE_SECTION
+#define TARGET_ASM_UNIQUE_SECTION darwin_unique_section
+#undef TARGET_ASM_FUNCTION_RODATA_SECTION
+#define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
+
#define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \
- do { \
+ do { \
if (FILE) { \
if (MACHOPIC_INDIRECT) \
fprintf (FILE, "\t.lazy_reference "); \
do { \
if (FILE) { \
fprintf (FILE, "\t"); \
- assemble_name (FILE, NAME); \
+ assemble_name (FILE, NAME); \
fprintf (FILE, "=0\n"); \
(*targetm.asm_out.globalize_label) (FILE, NAME); \
} \
#define GLOBAL_ASM_OP ".globl "
#define TARGET_ASM_GLOBALIZE_LABEL darwin_globalize_label
+/* Emit an assembler directive to set visibility for a symbol. Used
+ to support visibility attribute and Darwin's private extern
+ feature. */
+#undef TARGET_ASM_ASSEMBLE_VISIBILITY
+#define TARGET_ASM_ASSEMBLE_VISIBILITY darwin_assemble_visibility
+
+
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*%s%ld", PREFIX, (long)(NUM))
+#undef TARGET_ASM_MARK_DECL_PRESERVED
+#define TARGET_ASM_MARK_DECL_PRESERVED darwin_mark_decl_preserved
+
/* Since we have a separate readonly data section, define this so that
jump tables end up in text rather than data. */
#define JUMP_TABLES_IN_TEXT_SECTION 1
#endif
+/* Set on a symbol with SYMBOL_FLAG_FUNCTION or
+ MACHO_SYMBOL_FLAG_VARIABLE to indicate that the function or
+ variable has been defined in this translation unit. */
+
+#define MACHO_SYMBOL_FLAG_VARIABLE (SYMBOL_FLAG_MACH_DEP)
+#define MACHO_SYMBOL_FLAG_DEFINED ((SYMBOL_FLAG_MACH_DEP) << 1)
+
+/* Set on a symbol to indicate when fix-and-continue style code
+ generation is being used and the symbol refers to a static symbol
+ that should be rebound from new instances of a translation unit to
+ the original instance of the data. */
+
+#define MACHO_SYMBOL_STATIC ((SYMBOL_FLAG_MACH_DEP) << 2)
+
/* Symbolic names for various things we might know about a symbol. */
enum machopic_addr_class {
#undef TARGET_ENCODE_SECTION_INFO
#define TARGET_ENCODE_SECTION_INFO darwin_encode_section_info
#undef TARGET_STRIP_NAME_ENCODING
-#define TARGET_STRIP_NAME_ENCODING darwin_strip_name_encoding
+#define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
#define GEN_BINDER_NAME_FOR_STUB(BUF,STUB,STUB_LENGTH) \
do { \
#define GEN_LAZY_PTR_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \
do { \
- const char *symbol_ = darwin_strip_name_encoding (SYMBOL); \
+ const char *symbol_ = (SYMBOL); \
char *buffer_ = (BUF); \
if (symbol_[0] == '"') \
{ \
#define TARGET_ASM_EXCEPTION_SECTION darwin_exception_section
#define TARGET_ASM_EH_FRAME_SECTION darwin_eh_frame_section
-
+
+#define EH_FRAME_SECTION_NAME "__TEXT"
+#define EH_FRAME_SECTION_ATTR ",coalesced,no_toc+strip_static_syms+live_support"
+
#undef ASM_PREFERRED_EH_DATA_FORMAT
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
(((CODE) == 2 && (GLOBAL) == 1) \
#define ASM_OUTPUT_DWARF_DELTA(FILE,SIZE,LABEL1,LABEL2) \
darwin_asm_output_dwarf_delta (FILE, SIZE, LABEL1, LABEL2)
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(ASM_OUT_FILE, ENCODING, SIZE, ADDR, DONE) \
+ if (ENCODING == ASM_PREFERRED_EH_DATA_FORMAT (2, 1)) { \
+ darwin_non_lazy_pcrel (ASM_OUT_FILE, ADDR); \
+ goto DONE; \
+ }
+
+
#define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION darwin_asm_named_section
+#undef TARGET_SECTION_TYPE_FLAGS
+#define TARGET_SECTION_TYPE_FLAGS darwin_section_type_flags
+
#define DARWIN_REGISTER_TARGET_PRAGMAS() \
do { \
c_register_pragma (0, "mark", darwin_pragma_ignore); \
#define ASM_APP_ON ""
#undef ASM_APP_OFF
#define ASM_APP_OFF ""
+
+void darwin_register_frameworks (int);
+#define TARGET_EXTRA_INCLUDES darwin_register_frameworks
+
+void add_framework_path (char *);
+#define TARGET_OPTF add_framework_path
+
+#define TARGET_HAS_F_SETLKW
+
+/* Darwin before 7.0 does not have C99 functions. */
+#ifndef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS 0
+#endif
+
+#define WINT_TYPE "int"
+
+#endif /* CONFIG_DARWIN_H */
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