X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Fdarwin.h;h=96a501a1e795995404e73a38aa18c02ca8d4a228;hb=ce8e1427b23e6ab44ff9b1aaeb6d26d9ee7d950b;hp=cb84eb12473d85f221fed0ec1d6ec017878ac732;hpb=31c2995d302e4610bd7c93604576aa0a227a7b18;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h index cb84eb12473..96a501a1e79 100644 --- a/gcc/config/darwin.h +++ b/gcc/config/darwin.h @@ -1,5 +1,6 @@ /* 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. @@ -109,11 +110,19 @@ Boston, MA 02111-1307, USA. */ { "-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" }, \ @@ -131,17 +140,6 @@ Boston, MA 02111-1307, USA. */ { "-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 @@ -165,10 +163,13 @@ extern const char *darwin_one_byte_bool; !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 : \ @@ -203,13 +204,11 @@ extern const char *darwin_one_byte_bool; #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*} }}}}}}}}" @@ -222,14 +221,16 @@ extern const char *darwin_one_byte_bool; 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} \ @@ -241,7 +242,8 @@ extern const char *darwin_one_byte_bool; %{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} \ @@ -251,6 +253,8 @@ extern const char *darwin_one_byte_bool; %{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 %*} \ @@ -264,7 +268,11 @@ extern const char *darwin_one_byte_bool; %{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} \ @@ -272,6 +280,7 @@ extern const char *darwin_one_byte_bool; %{undefined*} \ %{Zunexported_symbols_list*:-unexported_symbols_list %*} \ %{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \ + %{!Zweak_reference_mismatches*:-weak_reference_mismatches non-weak} \ %{X} \ %{y*} \ %{w} \ @@ -288,7 +297,18 @@ extern const char *darwin_one_byte_bool; #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 \ @@ -296,17 +316,21 @@ extern const char *darwin_one_byte_bool; %{!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 @@ -336,27 +360,42 @@ extern const char *darwin_one_byte_bool; /* 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 @@ -434,37 +473,37 @@ do { text_section (); \ 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) \ @@ -494,7 +533,12 @@ do { text_section (); \ 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); \ @@ -502,18 +546,20 @@ do { text_section (); \ 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" @@ -528,9 +574,11 @@ do { text_section (); \ #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))) \ @@ -559,160 +607,187 @@ FUNCTION (void) \ { \ 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) \ { \ @@ -750,11 +825,14 @@ 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) \ @@ -789,24 +867,33 @@ objc_section_init (void) \ #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 { @@ -890,12 +977,15 @@ 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) \ @@ -907,13 +997,17 @@ enum machopic_addr_class { 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 { \ @@ -928,7 +1022,9 @@ enum machopic_addr_class { #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 *);