/* 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.
{ "-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" }, \
{ "-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;
-
-#undef SUBTARGET_OPTIONS
-#define SUBTARGET_OPTIONS \
- {"one-byte-bool", &darwin_one_byte_bool, N_("Set sizeof(bool) to 1"), 0 }
-
/* 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*} }}}}}}}}"
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} \
#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 crt2.o%s}}}} \
+ %{!preload:-lgcrt1.o %{!m64: crt2.o%s}}}}} \
%{!pg:%{static:-lcrt0.o} \
%{!static:%{object:-lcrt0.o} \
%{!object:%{preload:-lcrt0.o} \
- %{!preload:-lcrt1.o crt2.o%s}}}}}}"
+ %{!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
/* 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
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)) \
+ 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_symbol (DECL_RTL (DECL)); \
- 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) \
machopic_validate_stub_or_non_lazy_ptr (xname); \
else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \
machopic_validate_stub_or_non_lazy_ptr (xname); \
- fputs (&xname[1], FILE); \
+ else if (len > 15 && !strcmp ("$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 \
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"
#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))) \
{ \
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. */
-
-#ifndef JUMP_TABLES_IN_TEXT_SECTION
-#define JUMP_TABLES_IN_TEXT_SECTION 1
-#endif
+#undef TARGET_ASM_MARK_DECL_PRESERVED
+#define TARGET_ASM_MARK_DECL_PRESERVED darwin_mark_decl_preserved
/* 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 {
#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 *);