diff options
Diffstat (limited to 'contrib/gcc/config/darwin.h')
| -rw-r--r-- | contrib/gcc/config/darwin.h | 561 |
1 files changed, 288 insertions, 273 deletions
diff --git a/contrib/gcc/config/darwin.h b/contrib/gcc/config/darwin.h index 05ca85b..90d959c 100644 --- a/contrib/gcc/config/darwin.h +++ b/contrib/gcc/config/darwin.h @@ -35,6 +35,12 @@ Boston, MA 02111-1307, USA. */ 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.) */ @@ -78,56 +84,214 @@ Boston, MA 02111-1307, USA. */ #undef DEFAULT_PCC_STRUCT_RETURN #define DEFAULT_PCC_STRUCT_RETURN 0 -/* Don't warn about MacOS-style 'APPL' four-char-constants. */ - -#undef WARN_FOUR_CHAR_CONSTANTS -#define WARN_FOUR_CHAR_CONSTANTS 0 +/* This table intercepts weirdo options whose names would interfere + with normal driver conventions, and either translates them into + standardly-named options, or adds a 'Z' so that they can get to + specs processing without interference. + + Do not expand a linker option to "-Xlinker -<option>", since that + forfeits the ability to control via spec strings later. However, + as a special exception, do this translation with -filelist, because + otherwise the driver will think there are no input files and quit. + (The alternative would be to hack the driver to recognize -filelist + specially, but it's simpler to use the translation table.) + + 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. */ +#define TARGET_OPTION_TRANSLATE_TABLE \ + { "-all_load", "-Zall_load" }, \ + { "-allowable_client", "-Zallowable_client" }, \ + { "-arch_errors_fatal", "-Zarch_errors_fatal" }, \ + { "-bind_at_load", "-Zbind_at_load" }, \ + { "-bundle", "-Zbundle" }, \ + { "-bundle_loader", "-Zbundle_loader" }, \ + { "-weak_reference_mismatches", "-Zweak_reference_mismatches" }, \ + { "-dependency-file", "-MF" }, \ + { "-dylib_file", "-Zdylib_file" }, \ + { "-dynamic", "-Zdynamic" }, \ + { "-dynamiclib", "-Zdynamiclib" }, \ + { "-exported_symbols_list", "-Zexported_symbols_list" }, \ + { "-seg_addr_table_filename", "-Zseg_addr_table_filename" }, \ + { "-filelist", "-Xlinker -filelist -Xlinker" }, \ + { "-flat_namespace", "-Zflat_namespace" }, \ + { "-force_cpusubtype_ALL", "-Zforce_cpusubtype_ALL" }, \ + { "-force_flat_namespace", "-Zforce_flat_namespace" }, \ + { "-image_base", "-Zimage_base" }, \ + { "-init", "-Zinit" }, \ + { "-install_name", "-Zinstall_name" }, \ + { "-multiply_defined_unused", "-Zmultiplydefinedunused" }, \ + { "-multiply_defined", "-Zmultiply_defined" }, \ + { "-multi_module", "-Zmulti_module" }, \ + { "-static", "-static -Wa,-static" }, \ + { "-single_module", "-Zsingle_module" }, \ + { "-unexported_symbols_list", "-Zunexported_symbols_list" } + +/* These compiler options take n arguments. */ + +#undef WORD_SWITCH_TAKES_ARG +#define WORD_SWITCH_TAKES_ARG(STR) \ + (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) ? 1 : \ + !strcmp (STR, "Zallowable_client") ? 1 : \ + !strcmp (STR, "arch") ? 1 : \ + !strcmp (STR, "arch_only") ? 1 : \ + !strcmp (STR, "Zbundle_loader") ? 1 : \ + !strcmp (STR, "client_name") ? 1 : \ + !strcmp (STR, "compatibility_version") ? 1 : \ + !strcmp (STR, "current_version") ? 1 : \ + !strcmp (STR, "Zdylib_file") ? 1 : \ + !strcmp (STR, "Zexported_symbols_list") ? 1 : \ + !strcmp (STR, "Zimage_base") ? 1 : \ + !strcmp (STR, "Zinit") ? 1 : \ + !strcmp (STR, "Zinstall_name") ? 1 : \ + !strcmp (STR, "Zmultiplydefinedunused") ? 1 : \ + !strcmp (STR, "Zmultiply_defined") ? 1 : \ + !strcmp (STR, "precomp-trustfile") ? 1 : \ + !strcmp (STR, "read_only_relocs") ? 1 : \ + !strcmp (STR, "sectcreate") ? 3 : \ + !strcmp (STR, "sectorder") ? 3 : \ + !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 : \ + !strcmp (STR, "undefined") ? 1 : \ + !strcmp (STR, "Zunexported_symbols_list") ? 1 : \ + !strcmp (STR, "Zweak_reference_mismatches") ? 1 : \ + !strcmp (STR, "pagezero_size") ? 1 : \ + !strcmp (STR, "segs_read_only_addr") ? 1 : \ + !strcmp (STR, "segs_read_write_addr") ? 1 : \ + !strcmp (STR, "sectalign") ? 3 : \ + !strcmp (STR, "sectobjectsymbols") ? 2 : \ + !strcmp (STR, "segcreate") ? 3 : \ + !strcmp (STR, "dylinker_install_name") ? 1 : \ + 0) /* Machine dependent cpp options. */ -/* The sequence here allows us to get a more specific version number - glued into __APPLE_CC__. Normally this number would be updated as - part of submitting to a release engineering organization. */ - -#ifndef APPLE_CC -#define APPLE_CC 999 -#endif - -#define STRINGIFY_THIS(x) # x -#define REALLY_STRINGIFY(x) STRINGIFY_THIS(x) - #undef CPP_SPEC -#define CPP_SPEC "-D__APPLE_CC__=" REALLY_STRINGIFY(APPLE_CC) " \ - %{static:-D__STATIC__}%{!static:-D__DYNAMIC__}" +#define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}" + +/* This is mostly a clone of the standard LINK_COMMAND_SPEC, plus + precomp, libtool, and fat build additions. Also we + don't specify a second %G after %L because libSystem is + self-contained and doesn't need to link against libgcc.a. */ +/* In general, random Darwin linker flags should go into LINK_SPEC + instead of LINK_COMMAND_SPEC. The command spec is better for + specifying the handling of options understood by generic Unix + linkers, and for positional arguments like libraries. */ +#define LINK_COMMAND_SPEC "\ +%{!fdump=*:%{!fsyntax-only:%{!precomp:%{!c:%{!M:%{!MM:%{!E:%{!S:\ + %{!Zdynamiclib:%(linker)}%{Zdynamiclib:/usr/bin/libtool} \ + %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 %{!nostdlib:%{!nodefaultlibs:%G %L}} \ + %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} \ + %{!--help:%{!no-c++filt|c++filt:| c++filt3 }} }}}}}}}}" + +/* Please keep the random linker options in alphabetical order (modulo + 'Z' and 'no' prefixes). Options that can only go to one of libtool + or ld must be listed twice, under both !Zdynamiclib and + Zdynamiclib, with one of the cases reporting an error. */ +/* Note that options taking arguments may appear multiple times on a + command line with different arguments each time, so put a * after + their names so all of them get passed. */ +#define LINK_SPEC \ + "%{static}%{!static:-dynamic} \ + %{!Zdynamiclib: \ + %{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} \ + %{private_bundle} \ + } \ + %{Zdynamiclib: \ + %{Zbundle:%e-bundle not allowed with -dynamiclib} \ + %{Zbundle_loader*:%e-bundle_loader not allowed with -dynamiclib} \ + %{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_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} \ + %{private_bundle:%e-private_bundle not allowed with -dynamiclib} \ + } \ + %{Zall_load:-all_load}%{Zdynamiclib:%{!Zall_load:-noall_load}} \ + %{Zallowable_client*:-allowable_client %*} \ + %{Zbind_at_load:-bind_at_load} \ + %{Zarch_errors_fatal:-arch_errors_fatal} \ + %{Zdylib_file*:-dylib_file %*} \ + %{Zdynamic:-dynamic}\ + %{Zexported_symbols_list*:-exported_symbols_list %*} \ + %{Zflat_namespace:-flat_namespace} \ + %{headerpad_max_install_names*} \ + %{Zimage_base*:-image_base %*} \ + %{Zinit*:-init %*} \ + %{nomultidefs} \ + %{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \ + %{Zmultiply_defined*:-multiply_defined %*} \ + %{Zmultiplydefinedunused*:-multiply_defined_unused %*} \ + %{prebind} %{noprebind} %{prebind_all_twolevel_modules} \ + %{read_only_relocs} \ + %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} %{seg_addr_table*} \ + %{Zseg_addr_table_filename*:-seg_addr_table_filename %*} \ + %{sub_library*} %{sub_umbrella*} \ + %{twolevel_namespace} %{twolevel_namespace_hints} \ + %{umbrella*} \ + %{undefined*} \ + %{Zunexported_symbols_list*:-unexported_symbols_list %*} \ + %{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \ + %{X} \ + %{y*} \ + %{w} \ + %{pagezero_size*} %{segs_read_*} %{seglinkedit} %{noseglinkedit} \ + %{sectalign*} %{sectobjectsymbols*} %{segcreate*} %{whyload} \ + %{whatsloaded} %{dylinker_install_name*} \ + %{dylinker} %{Mach} " + /* Machine dependent libraries. */ #undef LIB_SPEC #define LIB_SPEC "%{!static:-lSystem}" -/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */ +/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */ -#undef STARTFILE_SPEC +#undef STARTFILE_SPEC #define STARTFILE_SPEC \ - "%{pg:%{static:-lgcrt0.o}%{!static:-lgcrt1.o}} \ - %{!pg:%{static:-lcrt0.o}%{!static:-lcrt1.o}}" + "%{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o}} \ + %{!Zbundle:%{pg:%{static:-lgcrt0.o} \ + %{!static:%{object:-lgcrt0.o} \ + %{!object:%{preload:-lgcrt0.o} \ + %{!preload:-lgcrt1.o -lcrt2.o}}}} \ + %{!pg:%{static:-lcrt0.o} \ + %{!static:%{object:-lcrt0.o} \ + %{!object:%{preload:-lcrt0.o} \ + %{!preload:-lcrt1.o -lcrt2.o}}}}}}" + +/* 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 "" */ #undef DOLLARS_IN_IDENTIFIERS #define DOLLARS_IN_IDENTIFIERS 2 -/* Allow #sccs (but don't do anything). */ - -#define SCCS_DIRECTIVE - /* We use Dbx symbol format. */ -#define DBX_DEBUGGING_INFO - -/* Also enable Dwarf 2 as an option. */ - -#define DWARF2_DEBUGGING_INFO - -#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG +#define DBX_DEBUGGING_INFO 1 /* When generating stabs debugging, use N_BINCL entries. */ @@ -137,7 +301,7 @@ Boston, MA 02111-1307, USA. */ #define DBX_CONTIN_LENGTH 0 -/* gdb needs a null N_SO at the end of each file for scattered loading. */ +/* 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) \ @@ -158,6 +322,9 @@ do { text_section (); \ #define TARGET_ASM_CONSTRUCTOR machopic_asm_out_constructor #define TARGET_ASM_DESTRUCTOR machopic_asm_out_destructor +/* Always prefix with an underscore. */ + +#define USER_LABEL_PREFIX "_" /* Don't output a .file directive. That is only used by the assembler for error reporting. */ @@ -177,7 +344,10 @@ do { text_section (); \ } \ } while (0) -/* Give ObjcC methods pretty symbol names. */ +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + fprintf (FILE, "\t.space %d\n", SIZE) + +/* Give ObjC methods pretty symbol names. */ #undef OBJC_GEN_METHOD_LABEL #define OBJC_GEN_METHOD_LABEL(BUF,IS_INST,CLASS_NAME,CAT_NAME,SEL_NAME,NUM) \ @@ -208,7 +378,7 @@ do { text_section (); \ if ((TREE_STATIC (DECL) \ && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ || DECL_INITIAL (DECL)) \ - ENCODE_SECTION_INFO (DECL); \ + (* targetm.encode_section_info) (DECL, false); \ ASM_OUTPUT_LABEL (FILE, xname); \ } while (0) @@ -224,7 +394,7 @@ do { text_section (); \ if ((TREE_STATIC (DECL) \ && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ || DECL_INITIAL (DECL)) \ - ENCODE_SECTION_INFO (DECL); \ + (* targetm.encode_section_info) (DECL, false); \ ASM_OUTPUT_LABEL (FILE, xname); \ /* Avoid generating stubs for functions we've just defined by \ outputting any required stub name label now. */ \ @@ -235,30 +405,39 @@ do { text_section (); \ Make Objective-C internal symbols local. */ #undef ASM_OUTPUT_LABELREF -#define ASM_OUTPUT_LABELREF(FILE,NAME) \ - do { \ - STRIP_NAME_ENCODING (NAME, NAME); \ - if (NAME[0] == '&' || NAME[0] == '*') \ - { \ - int len = strlen (NAME); \ - if (len > 6 && !strcmp ("$stub", NAME + len - 5)) \ - machopic_validate_stub_or_non_lazy_ptr (NAME, 1); \ - else if (len > 7 && !strcmp ("$stub\"", NAME + len - 6)) \ - machopic_validate_stub_or_non_lazy_ptr (NAME, 1); \ - else if (len > 14 && !strcmp ("$non_lazy_ptr", NAME + len - 13)) \ - machopic_validate_stub_or_non_lazy_ptr (NAME, 0); \ - fputs (&NAME[1], FILE); \ - } \ - else if (NAME[0] == '+' || NAME[0] == '-') \ - fprintf (FILE, "\"%s\"", NAME); \ - else if (!strncmp (NAME, "_OBJC_", 6)) \ - fprintf (FILE, "L%s", NAME); \ - else if (!strncmp (NAME, ".objc_class_name_", 17)) \ - fprintf (FILE, "%s", NAME); \ - else \ - fprintf (FILE, "_%s", NAME); \ +#define ASM_OUTPUT_LABELREF(FILE,NAME) \ + do { \ + const char *xname = darwin_strip_name_encoding (NAME); \ + if (xname[0] == '&' || xname[0] == '*') \ + { \ + int len = strlen (xname); \ + if (len > 6 && !strcmp ("$stub", xname + len - 5)) \ + machopic_validate_stub_or_non_lazy_ptr (xname, 1); \ + else if (len > 7 && !strcmp ("$stub\"", xname + len - 6)) \ + machopic_validate_stub_or_non_lazy_ptr (xname, 1); \ + else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \ + machopic_validate_stub_or_non_lazy_ptr (xname, 0); \ + fputs (&xname[1], FILE); \ + } \ + else if (xname[0] == '+' || xname[0] == '-') \ + fprintf (FILE, "\"%s\"", xname); \ + else if (!strncmp (xname, "_OBJC_", 6)) \ + fprintf (FILE, "L%s", xname); \ + else if (!strncmp (xname, ".objc_class_name_", 17)) \ + fprintf (FILE, "%s", xname); \ + else \ + fprintf (FILE, "_%s", xname); \ } while (0) +/* Output before executable code. */ +#undef TEXT_SECTION_ASM_OP +#define TEXT_SECTION_ASM_OP ".text" + +/* Output before writable data. */ + +#undef DATA_SECTION_ASM_OP +#define DATA_SECTION_ASM_OP ".data" + #undef ALIGN_ASM_OP #define ALIGN_ASM_OP ".align" @@ -270,33 +449,29 @@ do { text_section (); \ /* Ensure correct alignment of bss data. */ #undef ASM_OUTPUT_ALIGNED_DECL_LOCAL -#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ - do { \ - fputs (".lcomm ", (FILE)); \ - assemble_name ((FILE), (NAME)); \ - fprintf ((FILE), ",%u,%u\n", (SIZE), floor_log2 ((ALIGN) / BITS_PER_UNIT)); \ - if ((DECL) && ((TREE_STATIC (DECL) \ - && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ - || DECL_INITIAL (DECL))) \ - ENCODE_SECTION_INFO (DECL); \ - if ((DECL) && ((TREE_STATIC (DECL) \ - && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ - || DECL_INITIAL (DECL))) \ - machopic_define_name (NAME); \ +#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ + do { \ + fputs (".lcomm ", (FILE)); \ + assemble_name ((FILE), (NAME)); \ + fprintf ((FILE), ",%u,%u\n", (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, false); \ + if ((DECL) && ((TREE_STATIC (DECL) \ + && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ + || DECL_INITIAL (DECL))) \ + machopic_define_name (NAME); \ } while (0) -/* Output nothing for #ident. */ - -#undef ASM_OUTPUT_IDENT -#define ASM_OUTPUT_IDENT(FILE, NAME) - /* The maximum alignment which the object file format can support. For Mach-O, this is 2^15. */ #undef MAX_OFILE_ALIGNMENT #define MAX_OFILE_ALIGNMENT 0x8000 -/* Create new Mach-O sections. */ +/* Create new Mach-O sections. */ #undef SECTION_FUNCTION #define SECTION_FUNCTION(FUNCTION, SECTION, DIRECTIVE, OBJC) \ @@ -315,11 +490,6 @@ FUNCTION () \ } \ } \ -#define ALIAS_SECTION(enum_value, alias_name) \ -do { if (!strcmp (alias_name, name)) \ - section_alias[enum_value] = (alias ? get_identifier (alias) : 0); \ - } while (0) - /* Darwin uses many types of special sections. */ #undef EXTRA_SECTIONS @@ -449,7 +619,7 @@ SECTION_FUNCTION (machopic_picsymbol_stub_section, \ ".picsymbol_stub", 0) \ SECTION_FUNCTION (darwin_exception_section, \ in_darwin_exception, \ - ".section __TEXT,__gcc_except_tab", 0) \ + ".section __DATA,__gcc_except_tab", 0) \ SECTION_FUNCTION (darwin_eh_frame_section, \ in_darwin_eh_frame, \ ".section __TEXT,__eh_frame", 0) \ @@ -485,174 +655,14 @@ objc_section_init () \ objc_module_info_section (); \ objc_symbols_section (); \ } \ -} \ -static tree section_alias[(int) num_sections]; \ -static void try_section_alias PARAMS ((void)); \ -static void try_section_alias () \ -{ \ - if (section_alias[in_section] && asm_out_file) \ - fprintf (asm_out_file, "%s\n", \ - IDENTIFIER_POINTER (section_alias[in_section])); \ -} \ - -#if 0 -static void alias_section PARAMS ((const char *, const char *)); \ -static void alias_section (name, alias) \ - const char *name, *alias; \ -{ \ - ALIAS_SECTION (in_data, "data"); \ - ALIAS_SECTION (in_text, "text"); \ - ALIAS_SECTION (in_const, "const"); \ - ALIAS_SECTION (in_const_data, "const_data"); \ - ALIAS_SECTION (in_cstring, "cstring"); \ - ALIAS_SECTION (in_literal4, "literal4"); \ - ALIAS_SECTION (in_literal8, "literal8"); \ } -#endif -#undef READONLY_DATA_SECTION #define READONLY_DATA_SECTION const_section -#undef SELECT_SECTION -#define SELECT_SECTION(exp,reloc,align) \ - do \ - { \ - if (TREE_CODE (exp) == STRING_CST) \ - { \ - if (flag_writable_strings) \ - data_section (); \ - else if (TREE_STRING_LENGTH (exp) != \ - strlen (TREE_STRING_POINTER (exp)) + 1) \ - readonly_data_section (); \ - else \ - cstring_section (); \ - } \ - else if (TREE_CODE (exp) == INTEGER_CST \ - || TREE_CODE (exp) == REAL_CST) \ - { \ - tree size = TYPE_SIZE (TREE_TYPE (exp)); \ - \ - if (TREE_CODE (size) == INTEGER_CST && \ - TREE_INT_CST_LOW (size) == 4 && \ - TREE_INT_CST_HIGH (size) == 0) \ - literal4_section (); \ - else if (TREE_CODE (size) == INTEGER_CST && \ - TREE_INT_CST_LOW (size) == 8 && \ - TREE_INT_CST_HIGH (size) == 0) \ - literal8_section (); \ - else \ - readonly_data_section (); \ - } \ - else if (TREE_CODE (exp) == CONSTRUCTOR \ - && TREE_TYPE (exp) \ - && TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE \ - && TYPE_NAME (TREE_TYPE (exp))) \ - { \ - tree name = TYPE_NAME (TREE_TYPE (exp)); \ - if (TREE_CODE (name) == TYPE_DECL) \ - name = DECL_NAME (name); \ - if (!strcmp (IDENTIFIER_POINTER (name), "NSConstantString")) \ - objc_constant_string_object_section (); \ - else if (!strcmp (IDENTIFIER_POINTER (name), "NXConstantString")) \ - objc_string_object_section (); \ - else if (TREE_READONLY (exp) || TREE_CONSTANT (exp)) \ - { \ - if (TREE_SIDE_EFFECTS (exp) || flag_pic && reloc) \ - const_data_section (); \ - else \ - readonly_data_section (); \ - } \ - else \ - data_section (); \ - } \ - else if (TREE_CODE (exp) == VAR_DECL && \ - DECL_NAME (exp) && \ - TREE_CODE (DECL_NAME (exp)) == IDENTIFIER_NODE && \ - IDENTIFIER_POINTER (DECL_NAME (exp)) && \ - !strncmp (IDENTIFIER_POINTER (DECL_NAME (exp)), "_OBJC_", 6)) \ - { \ - const char *name = IDENTIFIER_POINTER (DECL_NAME (exp)); \ - \ - if (!strncmp (name, "_OBJC_CLASS_METHODS_", 20)) \ - objc_cls_meth_section (); \ - else if (!strncmp (name, "_OBJC_INSTANCE_METHODS_", 23)) \ - objc_inst_meth_section (); \ - else if (!strncmp (name, "_OBJC_CATEGORY_CLASS_METHODS_", 20)) \ - objc_cat_cls_meth_section (); \ - else if (!strncmp (name, "_OBJC_CATEGORY_INSTANCE_METHODS_", 23)) \ - objc_cat_inst_meth_section (); \ - else if (!strncmp (name, "_OBJC_CLASS_VARIABLES_", 22)) \ - objc_class_vars_section (); \ - else if (!strncmp (name, "_OBJC_INSTANCE_VARIABLES_", 25)) \ - objc_instance_vars_section (); \ - else if (!strncmp (name, "_OBJC_CLASS_PROTOCOLS_", 22)) \ - objc_cat_cls_meth_section (); \ - else if (!strncmp (name, "_OBJC_CLASS_NAME_", 17)) \ - objc_class_names_section (); \ - else if (!strncmp (name, "_OBJC_METH_VAR_NAME_", 20)) \ - objc_meth_var_names_section (); \ - else if (!strncmp (name, "_OBJC_METH_VAR_TYPE_", 20)) \ - objc_meth_var_types_section (); \ - else if (!strncmp (name, "_OBJC_CLASS_REFERENCES", 22)) \ - objc_cls_refs_section (); \ - else if (!strncmp (name, "_OBJC_CLASS_", 12)) \ - objc_class_section (); \ - else if (!strncmp (name, "_OBJC_METACLASS_", 16)) \ - objc_meta_class_section (); \ - else if (!strncmp (name, "_OBJC_CATEGORY_", 15)) \ - objc_category_section (); \ - else if (!strncmp (name, "_OBJC_SELECTOR_REFERENCES", 25)) \ - objc_selector_refs_section (); \ - else if (!strncmp (name, "_OBJC_SELECTOR_FIXUP", 20)) \ - objc_selector_fixup_section (); \ - else if (!strncmp (name, "_OBJC_SYMBOLS", 13)) \ - objc_symbols_section (); \ - else if (!strncmp (name, "_OBJC_MODULES", 13)) \ - objc_module_info_section (); \ - else if (!strncmp (name, "_OBJC_PROTOCOL_INSTANCE_METHODS_", 32)) \ - objc_cat_inst_meth_section (); \ - else if (!strncmp (name, "_OBJC_PROTOCOL_CLASS_METHODS_", 29)) \ - objc_cat_cls_meth_section (); \ - else if (!strncmp (name, "_OBJC_PROTOCOL_REFS_", 20)) \ - objc_cat_cls_meth_section (); \ - else if (!strncmp (name, "_OBJC_PROTOCOL_", 15)) \ - objc_protocol_section (); \ - else if ((TREE_READONLY (exp) || TREE_CONSTANT (exp)) \ - && !TREE_SIDE_EFFECTS (exp)) \ - { if (flag_pic && reloc ) const_data_section (); \ - else readonly_data_section (); } \ - else \ - data_section (); \ - } \ - else if (TREE_READONLY (exp) || TREE_CONSTANT (exp)) \ - { \ - if (TREE_SIDE_EFFECTS (exp) || flag_pic && reloc) \ - const_data_section (); \ - else \ - readonly_data_section (); \ - } \ - else \ - data_section (); \ - try_section_alias (); \ - } \ - while (0) - -/* This can be called with address expressions as "rtx". - They must go in "const". */ -#undef SELECT_RTX_SECTION -#define SELECT_RTX_SECTION(mode, rtx, align) \ - do \ - { \ - if (GET_MODE_SIZE (mode) == 8) \ - literal8_section (); \ - else if (GET_MODE_SIZE (mode) == 4 \ - && (GET_CODE (rtx) == CONST_INT \ - || GET_CODE (rtx) == CONST_DOUBLE)) \ - literal4_section (); \ - else \ - const_section (); \ - } \ - while (0) +#undef TARGET_ASM_SELECT_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 #define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \ do { \ @@ -672,15 +682,13 @@ static void alias_section (name, alias) \ fprintf (FILE, "\t"); \ assemble_name (FILE, NAME); \ fprintf (FILE, "=0\n"); \ - assemble_global (NAME); \ + (*targetm.asm_out.globalize_label) (FILE, NAME); \ } \ } while (0) -#undef ASM_GLOBALIZE_LABEL -#define ASM_GLOBALIZE_LABEL(FILE,NAME) \ - do { const char *const _x = (NAME); if (!!strncmp (_x, "_OBJC_", 6)) { \ - (fputs (".globl ", FILE), assemble_name (FILE, _x), fputs ("\n", FILE)); \ - }} while (0) +/* Globalizing directive for a label. */ +#define GLOBAL_ASM_OP ".globl " +#define TARGET_ASM_GLOBALIZE_LABEL darwin_globalize_label #undef ASM_GENERATE_INTERNAL_LABEL #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ @@ -716,15 +724,10 @@ enum machopic_addr_class { #define MACHOPIC_JUST_INDIRECT (flag_pic == 1) #define MACHOPIC_PURE (flag_pic == 2) -#define ENCODE_SECTION_INFO(DECL) \ - darwin_encode_section_info (DECL) - -/* Be conservative and always redo the encoding. */ - -#define REDO_SECTION_INFO_P(DECL) (1) - -#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \ - ((VAR) = ((SYMBOL_NAME[0] == '!') ? (SYMBOL_NAME) + 4 : (SYMBOL_NAME))) +#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 GEN_BINDER_NAME_FOR_STUB(BUF,STUB,STUB_LENGTH) \ do { \ @@ -760,12 +763,11 @@ enum machopic_addr_class { #define GEN_LAZY_PTR_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \ do { \ - const char *symbol_ = (SYMBOL); \ + const char *symbol_ = darwin_strip_name_encoding (SYMBOL); \ char *buffer_ = (BUF); \ - STRIP_NAME_ENCODING (symbol_, symbol_); \ if (symbol_[0] == '"') \ { \ - strcpy (buffer_, "\"L"); \ + strcpy (buffer_, "\"L"); \ strcpy (buffer_ + 2, symbol_ + 1); \ strcpy (buffer_ + (SYMBOL_LENGTH), "$lazy_ptr\""); \ } \ @@ -787,13 +789,26 @@ enum machopic_addr_class { #define TARGET_ASM_EH_FRAME_SECTION darwin_eh_frame_section +#undef ASM_PREFERRED_EH_DATA_FORMAT #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ - (((CODE) == 1 || (GLOBAL) == 0) ? DW_EH_PE_pcrel : DW_EH_PE_absptr) - -#define REGISTER_TARGET_PRAGMAS(PFILE) \ - do { \ - cpp_register_pragma (PFILE, 0, "mark", darwin_pragma_ignore); \ - cpp_register_pragma (PFILE, 0, "options", darwin_pragma_options); \ - cpp_register_pragma (PFILE, 0, "segment", darwin_pragma_ignore); \ - cpp_register_pragma (PFILE, 0, "unused", darwin_pragma_unused); \ + (((CODE) == 2 && (GLOBAL) == 1) \ + ? (DW_EH_PE_pcrel | DW_EH_PE_indirect) : \ + ((CODE) == 1 || (GLOBAL) == 0) ? DW_EH_PE_pcrel : DW_EH_PE_absptr) + +#define ASM_OUTPUT_DWARF_DELTA(FILE,SIZE,LABEL1,LABEL2) \ + darwin_asm_output_dwarf_delta (FILE, SIZE, LABEL1, LABEL2) + +#define TARGET_TERMINATE_DW2_EH_FRAME_INFO false + +#define DARWIN_REGISTER_TARGET_PRAGMAS(PFILE) \ + do { \ + cpp_register_pragma (PFILE, 0, "mark", darwin_pragma_ignore); \ + cpp_register_pragma (PFILE, 0, "options", darwin_pragma_options); \ + cpp_register_pragma (PFILE, 0, "segment", darwin_pragma_ignore); \ + cpp_register_pragma (PFILE, 0, "unused", darwin_pragma_unused); \ } while (0) + +#undef ASM_APP_ON +#define ASM_APP_ON "" +#undef ASM_APP_OFF +#define ASM_APP_OFF "" |
