/* Target definitions for Darwin (Mac OS X) systems.
- Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004,
+ 2005
Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
#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. */
{ "-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" }, \
{ "-dynamiclib", "-Zdynamiclib" }, \
{ "-exported_symbols_list", "-Zexported_symbols_list" }, \
+ { "-gfull", "-g -fno-eliminate-unused-debug-symbols" }, \
+ { "-gused", "-g -feliminate-unused-debug-symbols" }, \
+ { "-segaddr", "-Zsegaddr" }, \
+ { "-segs_read_only_addr", "-Zsegs_read_only_addr" }, \
+ { "-segs_read_write_addr", "-Zsegs_read_write_addr" }, \
+ { "-seg_addr_table", "-Zseg_addr_table" }, \
{ "-seg_addr_table_filename", "-Zseg_addr_table_filename" }, \
{ "-filelist", "-Xlinker -filelist -Xlinker" }, \
{ "-framework", "-Xlinker -framework -Xlinker" }, \
{ "-single_module", "-Zsingle_module" }, \
{ "-unexported_symbols_list", "-Zunexported_symbols_list" }, \
SUBTARGET_OPTION_TRANSLATE_TABLE
-
+
/* These compiler options take n arguments. */
#undef WORD_SWITCH_TAKES_ARG
!strcmp (STR, "read_only_relocs") ? 1 : \
!strcmp (STR, "sectcreate") ? 3 : \
!strcmp (STR, "sectorder") ? 3 : \
+ !strcmp (STR, "Zsegaddr") ? 2 : \
+ !strcmp (STR, "Zsegs_read_only_addr") ? 1 : \
+ !strcmp (STR, "Zsegs_read_write_addr") ? 1 : \
+ !strcmp (STR, "Zseg_addr_table") ? 1 : \
!strcmp (STR, "Zseg_addr_table_filename") ?1 :\
!strcmp (STR, "seg1addr") ? 1 : \
!strcmp (STR, "segprot") ? 3 : \
- !strcmp (STR, "seg_addr_table") ? 1 : \
!strcmp (STR, "sub_library") ? 1 : \
!strcmp (STR, "sub_umbrella") ? 1 : \
!strcmp (STR, "umbrella") ? 1 : \
#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|fprofile-generate:-lgcov} \
+ %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate|coverage:-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
their names so all of them get passed. */
#define LINK_SPEC \
"%{static}%{!static:-dynamic} \
+ %{fgnu-runtime:%:replace-outfile(-lobjc -lobjc-gnu)}\
%{!Zdynamiclib: \
+ %{Zforce_cpusubtype_ALL:-arch %(darwin_arch) -force_cpusubtype_ALL} \
+ %{!Zforce_cpusubtype_ALL:-arch %(darwin_subarch)} \
%{Zbundle:-bundle} \
%{Zbundle_loader*:-bundle_loader %*} \
%{client_name*} \
%{compatibility_version*:%e-compatibility_version only allowed with -dynamiclib\
} \
%{current_version*:%e-current_version only allowed with -dynamiclib} \
- %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL} \
%{Zforce_flat_namespace:-force_flat_namespace} \
%{Zinstall_name*:%e-install_name only allowed with -dynamiclib} \
%{keep_private_externs} \
%{client_name*:%e-client_name not allowed with -dynamiclib} \
%{compatibility_version*} \
%{current_version*} \
- %{Zforce_cpusubtype_ALL:%e-force_cpusubtype_ALL not allowed with -dynamiclib} \
+ %{Zforce_cpusubtype_ALL:-arch_only %(darwin_arch)} \
+ %{!Zforce_cpusubtype_ALL: -arch_only %(darwin_subarch)} \
%{Zforce_flat_namespace:%e-force_flat_namespace not allowed with -dynamiclib} \
%{Zinstall_name*:-install_name %*} \
%{keep_private_externs:%e-keep_private_externs not allowed with -dynamiclib} \
%{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 %*} \
%{Zmultiplydefinedunused*:-multiply_defined_unused %*} \
%{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \
%{read_only_relocs} \
- %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} %{seg_addr_table*} \
+ %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} \
+ %{Zsegaddr*:-segaddr %*} \
+ %{Zsegs_read_only_addr*:-segs_read_only_addr %*} \
+ %{Zsegs_read_write_addr*:-segs_read_write_addr %*} \
+ %{Zseg_addr_table*: -seg_addr_table %*} \
%{Zseg_addr_table_filename*:-seg_addr_table_filename %*} \
%{sub_library*} %{sub_umbrella*} \
%{twolevel_namespace} %{twolevel_namespace_hints} \
%{undefined*} \
%{Zunexported_symbols_list*:-unexported_symbols_list %*} \
%{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \
+ %{!Zweak_reference_mismatches*:-weak_reference_mismatches non-weak} \
%{X} \
%{y*} \
%{w} \
%{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
+
+/* -dynamiclib implies -shared-libgcc just like -shared would on linux. */
+#define REAL_LIBGCC_SPEC \
+ "%{static|static-libgcc:-lgcc -lgcc_eh}\
+ %{!static:%{!static-libgcc:\
+ %{!Zdynamiclib:%{!shared-libgcc:-lgcc -lgcc_eh}\
+ %{shared-libgcc:-lgcc_s -lgcc}} %{Zdynamiclib:-lgcc_s -lgcc}}}"
/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
+/* We don't want anything to do with crt2.o in the 64-bit case;
+ testing the PowerPC-specific -m64 flag here is a little irregular,
+ but it's overkill to make copies of this spec for each target
+ arch. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
%{!Zbundle:%{pg:%{static:-lgcrt0.o} \
%{!static:%{object:-lgcrt0.o} \
%{!object:%{preload:-lgcrt0.o} \
- %{!preload:-lgcrt1.o -lcrt2.o}}}} \
+ %{!preload:-lgcrt1.o %{!m64: crt2.o%s}}}}} \
%{!pg:%{static:-lcrt0.o} \
%{!static:%{object:-lcrt0.o} \
%{!object:%{preload:-lcrt0.o} \
- %{!preload:-lcrt1.o -lcrt2.o}}}}}}"
+ %{!preload:-lcrt1.o %{!m64: 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
to put anything in ENDFILE_SPEC. */
/* #define ENDFILE_SPEC "" */
+/* Default Darwin ASM_SPEC, very simple. */
+#define ASM_SPEC "-arch %(darwin_arch) \
+ %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL}"
+
/* We use Dbx symbol format. */
#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
/* gdb needs a null N_SO at the end of each file for scattered loading. */
-#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
-#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
-do { text_section (); \
- fprintf (FILE, \
- "\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", "" , N_SO); \
- } while (0)
+#define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
-/* 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)
+/* GCC's definition of 'one_only' is the same as its definition of 'weak'. */
+#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
-/* 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)
+/* Mach-O supports 'weak imports', and 'weak definitions' in coalesced
+ sections. machopic_select_section ensures that weak variables go in
+ coalesced sections. Weak aliases (or any other kind of aliases) are
+ not supported. Weak symbols that aren't visible outside the .s file
+ are not supported. */
+#define ASM_WEAKEN_DECL(FILE, DECL, NAME, ALIAS) \
+ do { \
+ if (ALIAS) \
+ { \
+ warning (0, "alias definitions not supported in Mach-O; ignored"); \
+ break; \
+ } \
+ \
+ if (! DECL_EXTERNAL (DECL) && TREE_PUBLIC (DECL)) \
+ targetm.asm_out.globalize_label (FILE, NAME); \
+ if (DECL_EXTERNAL (DECL)) \
+ fputs ("\t.weak_reference ", FILE); \
+ else if (! lookup_attribute ("weak", DECL_ATTRIBUTES (DECL)) \
+ && lookup_attribute ("weak_import", DECL_ATTRIBUTES (DECL))) \
+ break; \
+ else if (TREE_PUBLIC (DECL)) \
+ fputs ("\t.weak_definition ", FILE); \
+ else \
+ break; \
+ assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); \
+ } while (0)
-/* We support hidden visibility */
-#undef TARGET_SUPPORTS_HIDDEN
-#define TARGET_SUPPORTS_HIDDEN 1
+/* Darwin has the pthread routines in libSystem, which every program
+ links to, so there's no need for weak-ness for that. */
+#define GTHREAD_USE_WEAK 0
/* The Darwin linker imposes two limitations on common symbols: they
can't have hidden visibility, and they can't appear in dylibs. As
#undef USE_COMMON_FOR_ONE_ONLY
#define USE_COMMON_FOR_ONE_ONLY 0
-/* The Darwin linker doesn't like explicit template instantions to be
- coalesced, because it doesn't want coalesced symbols to appear in
+/* The Darwin linker doesn't want coalesced symbols to appear in
a static archive's table of contents. */
-#undef TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY
-#define TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY 0
+#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
/* 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. */
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_name (xname); \
+ if (! DECL_WEAK (DECL) \
+ && ((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); \
- /* Darwin doesn't support zero-size objects, so give them a \
+ /* 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) \
+#define ASM_DECLARE_FUNCTION_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 (! DECL_ONE_ONLY (DECL) && ! DECL_WEAK (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_WEAK (DECL) \
+ && ((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); \
} while (0)
#define ASM_DECLARE_CONSTANT_NAME(FILE, NAME, EXP, SIZE) \
#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 ("$non_lazy_ptr", xname + len - 13)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 0); \
- fputs (&xname[1], FILE); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
+ else if (len > 15 && !strcmp ("$non_lazy_ptr\"", xname + len - 14)) \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
+ if (xname[1] != '"' && name_needs_quotes (&xname[1])) \
+ fprintf (FILE, "\"%s\"", &xname[1]); \
+ else \
+ fputs (&xname[1], FILE); \
} \
else if (xname[0] == '+' || xname[0] == '-') \
fprintf (FILE, "\"%s\"", xname); \
fprintf (FILE, "L%s", xname); \
else if (!strncmp (xname, ".objc_class_name_", 17)) \
fprintf (FILE, "%s", xname); \
+ else if (xname[0] != '"' && name_needs_quotes (xname)) \
+ fprintf (FILE, "\"%s\"", xname); \
else \
- fprintf (FILE, "_%s", xname); \
+ asm_fprintf (FILE, "%U%s", xname); \
} while (0)
/* Output before executable code. */
#undef TEXT_SECTION_ASM_OP
-#define TEXT_SECTION_ASM_OP ".text"
+#define TEXT_SECTION_ASM_OP "\t.text"
/* Output before writable data. */
#undef DATA_SECTION_ASM_OP
-#define DATA_SECTION_ASM_OP ".data"
+#define DATA_SECTION_ASM_OP "\t.data"
#undef ALIGN_ASM_OP
#define ALIGN_ASM_OP ".align"
/* 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 { \
+ unsigned HOST_WIDE_INT _new_size = SIZE; \
fputs (".lcomm ", (FILE)); \
assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", (SIZE), \
+ if (_new_size == 0) _new_size = 1; \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", _new_size, \
floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
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.
{ \
if (OBJC) \
objc_section_init (); \
- data_section (); \
if (asm_out_file) \
- fprintf (asm_out_file, "%s\n", DIRECTIVE); \
+ fputs ("\t" DIRECTIVE "\n", asm_out_file); \
in_section = SECTION; \
+ if ((SECTION == in_text_coal) \
+ || (SECTION == in_text_unlikely) \
+ || (SECTION == in_text_unlikely_coal)) \
+ last_text_section = SECTION; \
} \
} \
/* Darwin uses many types of special sections. */
#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS \
+#define EXTRA_SECTIONS \
+ in_text_coal, in_text_unlikely, in_text_unlikely_coal, \
in_const, in_const_data, in_cstring, in_literal4, in_literal8, \
+ in_const_coal, in_const_data_coal, in_data_coal, \
in_constructor, in_destructor, in_mod_init, in_mod_term, \
- in_objc_class, in_objc_meta_class, in_objc_category, \
- in_objc_class_vars, in_objc_instance_vars, \
- in_objc_cls_meth, in_objc_inst_meth, \
- in_objc_cat_cls_meth, in_objc_cat_inst_meth, \
- in_objc_selector_refs, \
- in_objc_selector_fixup, \
- 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_machopic_nl_symbol_ptr, \
- in_machopic_lazy_symbol_ptr, \
- in_machopic_symbol_stub, \
- in_machopic_symbol_stub1, \
- in_machopic_picsymbol_stub, \
- in_machopic_picsymbol_stub1, \
- in_darwin_exception, in_darwin_eh_frame, \
+ in_objc_class, in_objc_meta_class, in_objc_category, \
+ in_objc_class_vars, in_objc_instance_vars, \
+ in_objc_cls_meth, in_objc_inst_meth, \
+ in_objc_cat_cls_meth, in_objc_cat_inst_meth, \
+ in_objc_selector_refs, \
+ in_objc_selector_fixup, \
+ 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_machopic_nl_symbol_ptr, \
+ in_machopic_lazy_symbol_ptr, \
+ in_machopic_symbol_stub, \
+ in_machopic_symbol_stub1, \
+ in_machopic_picsymbol_stub, \
+ in_machopic_picsymbol_stub1, \
+ in_darwin_exception, in_darwin_eh_frame, \
num_sections
#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
-static void objc_section_init (void); \
-SECTION_FUNCTION (const_section, \
- in_const, \
- ".const", 0) \
-SECTION_FUNCTION (const_data_section, \
- in_const_data, \
- ".const_data", 0) \
-SECTION_FUNCTION (cstring_section, \
- in_cstring, \
- ".cstring", 0) \
-SECTION_FUNCTION (literal4_section, \
- in_literal4, \
- ".literal4", 0) \
-SECTION_FUNCTION (literal8_section, \
- in_literal8, \
- ".literal8", 0) \
-SECTION_FUNCTION (constructor_section, \
- in_constructor, \
- ".constructor", 0) \
-SECTION_FUNCTION (mod_init_section, \
- in_mod_init, \
- ".mod_init_func", 0) \
-SECTION_FUNCTION (mod_term_section, \
- in_mod_term, \
- ".mod_term_func", 0) \
-SECTION_FUNCTION (destructor_section, \
- in_destructor, \
- ".destructor", 0) \
-SECTION_FUNCTION (objc_class_section, \
- in_objc_class, \
- ".objc_class", 1) \
-SECTION_FUNCTION (objc_meta_class_section, \
- in_objc_meta_class, \
- ".objc_meta_class", 1) \
-SECTION_FUNCTION (objc_category_section, \
- in_objc_category, \
- ".objc_category", 1) \
-SECTION_FUNCTION (objc_class_vars_section, \
- in_objc_class_vars, \
- ".objc_class_vars", 1) \
-SECTION_FUNCTION (objc_instance_vars_section, \
- in_objc_instance_vars, \
- ".objc_instance_vars", 1) \
-SECTION_FUNCTION (objc_cls_meth_section, \
- in_objc_cls_meth, \
- ".objc_cls_meth", 1) \
-SECTION_FUNCTION (objc_inst_meth_section, \
- in_objc_inst_meth, \
- ".objc_inst_meth", 1) \
-SECTION_FUNCTION (objc_cat_cls_meth_section, \
- in_objc_cat_cls_meth, \
- ".objc_cat_cls_meth", 1) \
-SECTION_FUNCTION (objc_cat_inst_meth_section, \
- in_objc_cat_inst_meth, \
- ".objc_cat_inst_meth", 1) \
-SECTION_FUNCTION (objc_selector_refs_section, \
- in_objc_selector_refs, \
- ".objc_message_refs", 1) \
-SECTION_FUNCTION (objc_selector_fixup_section, \
- in_objc_selector_fixup, \
- ".section __OBJC, __sel_fixup", 1) \
-SECTION_FUNCTION (objc_symbols_section, \
- in_objc_symbols, \
- ".objc_symbols", 1) \
-SECTION_FUNCTION (objc_module_info_section, \
- in_objc_module_info, \
- ".objc_module_info", 1) \
-SECTION_FUNCTION (objc_protocol_section, \
- in_objc_protocol, \
- ".objc_protocol", 1) \
-SECTION_FUNCTION (objc_string_object_section, \
- in_objc_string_object, \
- ".objc_string_object", 1) \
-SECTION_FUNCTION (objc_constant_string_object_section, \
- in_objc_constant_string_object, \
- ".section __OBJC, __cstring_object", 1) \
-/* Fix-and-Continue image marker. */ \
-SECTION_FUNCTION (objc_image_info_section, \
- in_objc_image_info, \
- ".section __OBJC, __image_info", 1) \
-SECTION_FUNCTION (objc_class_names_section, \
- in_objc_class_names, \
- ".objc_class_names", 1) \
-SECTION_FUNCTION (objc_meth_var_names_section, \
- in_objc_meth_var_names, \
- ".objc_meth_var_names", 1) \
-SECTION_FUNCTION (objc_meth_var_types_section, \
- in_objc_meth_var_types, \
- ".objc_meth_var_types", 1) \
-SECTION_FUNCTION (objc_cls_refs_section, \
- in_objc_cls_refs, \
- ".objc_cls_refs", 1) \
- \
-SECTION_FUNCTION (machopic_lazy_symbol_ptr_section, \
- in_machopic_lazy_symbol_ptr, \
- ".lazy_symbol_pointer", 0) \
-SECTION_FUNCTION (machopic_nl_symbol_ptr_section, \
- in_machopic_nl_symbol_ptr, \
- ".non_lazy_symbol_pointer", 0) \
-SECTION_FUNCTION (machopic_symbol_stub_section, \
- in_machopic_symbol_stub, \
- ".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) \
-SECTION_FUNCTION (machopic_picsymbol_stub1_section, \
- in_machopic_picsymbol_stub1, \
- ".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32", 0)\
-SECTION_FUNCTION (darwin_exception_section, \
- in_darwin_exception, \
- ".section __DATA,__gcc_except_tab", 0) \
-SECTION_FUNCTION (darwin_eh_frame_section, \
- in_darwin_eh_frame, \
- ".section " EH_FRAME_SECTION_NAME ",__eh_frame" EH_FRAME_SECTION_ATTR, 0) \
- \
+#define EXTRA_SECTION_FUNCTIONS \
+static void objc_section_init (void); \
+SECTION_FUNCTION (text_coal_section, \
+ in_text_coal, \
+ ".section __TEXT,__textcoal_nt,coalesced," \
+ "pure_instructions", 0) \
+SECTION_FUNCTION (text_unlikely_coal_section, \
+ in_text_unlikely_coal, \
+ ".section __TEXT,__text_unlikely_coal," \
+ "coalesced,pure_instructions", 0) \
+SECTION_FUNCTION (const_section, \
+ in_const, \
+ ".const", 0) \
+SECTION_FUNCTION (const_coal_section, \
+ in_const_coal, \
+ ".section __TEXT,__const_coal,coalesced", 0) \
+SECTION_FUNCTION (const_data_section, \
+ in_const_data, \
+ ".const_data", 0) \
+SECTION_FUNCTION (const_data_coal_section, \
+ in_const_data_coal, \
+ ".section __DATA,__const_coal,coalesced", 0) \
+SECTION_FUNCTION (data_coal_section, \
+ in_data_coal, \
+ ".section __DATA,__datacoal_nt,coalesced", 0) \
+SECTION_FUNCTION (cstring_section, \
+ in_cstring, \
+ ".cstring", 0) \
+SECTION_FUNCTION (literal4_section, \
+ in_literal4, \
+ ".literal4", 0) \
+SECTION_FUNCTION (literal8_section, \
+ in_literal8, \
+ ".literal8", 0) \
+SECTION_FUNCTION (constructor_section, \
+ in_constructor, \
+ ".constructor", 0) \
+SECTION_FUNCTION (mod_init_section, \
+ in_mod_init, \
+ ".mod_init_func", 0) \
+SECTION_FUNCTION (mod_term_section, \
+ in_mod_term, \
+ ".mod_term_func", 0) \
+SECTION_FUNCTION (destructor_section, \
+ in_destructor, \
+ ".destructor", 0) \
+SECTION_FUNCTION (objc_class_section, \
+ in_objc_class, \
+ ".objc_class", 1) \
+SECTION_FUNCTION (objc_meta_class_section, \
+ in_objc_meta_class, \
+ ".objc_meta_class", 1) \
+SECTION_FUNCTION (objc_category_section, \
+ in_objc_category, \
+ ".objc_category", 1) \
+SECTION_FUNCTION (objc_class_vars_section, \
+ in_objc_class_vars, \
+ ".objc_class_vars", 1) \
+SECTION_FUNCTION (objc_instance_vars_section, \
+ in_objc_instance_vars, \
+ ".objc_instance_vars", 1) \
+SECTION_FUNCTION (objc_cls_meth_section, \
+ in_objc_cls_meth, \
+ ".objc_cls_meth", 1) \
+SECTION_FUNCTION (objc_inst_meth_section, \
+ in_objc_inst_meth, \
+ ".objc_inst_meth", 1) \
+SECTION_FUNCTION (objc_cat_cls_meth_section, \
+ in_objc_cat_cls_meth, \
+ ".objc_cat_cls_meth", 1) \
+SECTION_FUNCTION (objc_cat_inst_meth_section, \
+ in_objc_cat_inst_meth, \
+ ".objc_cat_inst_meth", 1) \
+SECTION_FUNCTION (objc_selector_refs_section, \
+ in_objc_selector_refs, \
+ ".objc_message_refs", 1) \
+SECTION_FUNCTION (objc_selector_fixup_section, \
+ in_objc_selector_fixup, \
+ ".section __OBJC, __sel_fixup, regular, no_dead_strip", 1) \
+SECTION_FUNCTION (objc_symbols_section, \
+ in_objc_symbols, \
+ ".objc_symbols", 1) \
+SECTION_FUNCTION (objc_module_info_section, \
+ in_objc_module_info, \
+ ".objc_module_info", 1) \
+SECTION_FUNCTION (objc_protocol_section, \
+ in_objc_protocol, \
+ ".objc_protocol", 1) \
+SECTION_FUNCTION (objc_string_object_section, \
+ in_objc_string_object, \
+ ".objc_string_object", 1) \
+SECTION_FUNCTION (objc_constant_string_object_section, \
+ in_objc_constant_string_object, \
+ ".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 (objc_meth_var_names_section, \
+ in_objc_meth_var_names, \
+ ".objc_meth_var_names", 1) \
+SECTION_FUNCTION (objc_meth_var_types_section, \
+ in_objc_meth_var_types, \
+ ".objc_meth_var_types", 1) \
+SECTION_FUNCTION (objc_cls_refs_section, \
+ in_objc_cls_refs, \
+ ".objc_cls_refs", 1) \
+\
+SECTION_FUNCTION (machopic_lazy_symbol_ptr_section, \
+ in_machopic_lazy_symbol_ptr, \
+ ".lazy_symbol_pointer", 0) \
+SECTION_FUNCTION (machopic_nl_symbol_ptr_section, \
+ in_machopic_nl_symbol_ptr, \
+ ".non_lazy_symbol_pointer", 0) \
+SECTION_FUNCTION (machopic_symbol_stub_section, \
+ in_machopic_symbol_stub, \
+ ".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) \
+SECTION_FUNCTION (machopic_picsymbol_stub1_section, \
+ in_machopic_picsymbol_stub1, \
+ ".section __TEXT,__picsymbolstub1,symbol_stubs," \
+ "pure_instructions,32", 0) \
+SECTION_FUNCTION (darwin_exception_section, \
+ in_darwin_exception, \
+ ".section __DATA,__gcc_except_tab", 0) \
+SECTION_FUNCTION (darwin_eh_frame_section, \
+ in_darwin_eh_frame, \
+ ".section " EH_FRAME_SECTION_NAME ",__eh_frame" \
+ EH_FRAME_SECTION_ATTR, 0) \
+\
static void \
objc_section_init (void) \
{ \
#undef TARGET_ASM_SELECT_SECTION
#define TARGET_ASM_SELECT_SECTION machopic_select_section
+#define USE_SELECT_SECTION_FOR_FUNCTIONS
+
#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) \
#undef TARGET_ASM_ASSEMBLE_VISIBILITY
#define TARGET_ASM_ASSEMBLE_VISIBILITY darwin_assemble_visibility
+/* Extra attributes for Darwin. */
+#define SUBTARGET_ATTRIBUTE_TABLE \
+ /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ \
+ { "weak_import", 0, 0, true, false, false, \
+ darwin_handle_weak_import_attribute }
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*%s%ld", PREFIX, (long)(NUM))
-/* Since we have a separate readonly data section, define this so that
- jump tables end up in text rather than data. */
+#undef TARGET_ASM_MARK_DECL_PRESERVED
+#define TARGET_ASM_MARK_DECL_PRESERVED darwin_mark_decl_preserved
-#ifndef JUMP_TABLES_IN_TEXT_SECTION
-#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. */
#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_EH_FRAME_SECTION darwin_eh_frame_section
#define EH_FRAME_SECTION_NAME "__TEXT"
-#define EH_FRAME_SECTION_ATTR ",coalesced,no_toc+strip_static_syms"
+#define EH_FRAME_SECTION_ATTR ",coalesced,no_toc+strip_static_syms+live_support"
+
+/* Java runtime class list. */
+#define JCR_SECTION_NAME "__DATA,jcr,regular,no_dead_strip"
#undef ASM_PREFERRED_EH_DATA_FORMAT
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
(((CODE) == 2 && (GLOBAL) == 1) \
- ? (DW_EH_PE_pcrel | DW_EH_PE_indirect) : \
+ ? (DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4) : \
((CODE) == 1 || (GLOBAL) == 0) ? DW_EH_PE_pcrel : DW_EH_PE_absptr)
#define ASM_OUTPUT_DWARF_DELTA(FILE,SIZE,LABEL1,LABEL2) \
goto DONE; \
}
+/* Experimentally, putting jump tables in text is faster on SPEC.
+ Also this is needed for correctness for coalesced functions. */
+
+#ifndef JUMP_TABLES_IN_TEXT_SECTION
+#define JUMP_TABLES_IN_TEXT_SECTION 1
+#endif
#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 { \
#undef ASM_APP_OFF
#define ASM_APP_OFF ""
-void darwin_register_frameworks (int);
+void darwin_register_frameworks (const char *, const char *, int);
+void darwin_register_objc_includes (const char *, const char *, int);
+#define TARGET_EXTRA_PRE_INCLUDES darwin_register_objc_includes
#define TARGET_EXTRA_INCLUDES darwin_register_frameworks
void add_framework_path (char *);
#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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