| /* Target definitions for Darwin (Mac OS X) systems. |
| Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004, |
| 2005 |
| Free Software Foundation, Inc. |
| Contributed by Apple Computer Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #ifndef CONFIG_DARWIN_H |
| #define CONFIG_DARWIN_H |
| |
| /* The definitions in this file are common to all processor types |
| running Darwin, which is the kernel for Mac OS X. Darwin is |
| basically a BSD user layer laid over a Mach kernel, then evolved |
| for many years (at NeXT) in parallel with other Unix systems. So |
| while the runtime is a somewhat idiosyncratic Mach-based thing, |
| other definitions look like they would for a BSD variant. */ |
| |
| /* Although NeXT ran on many different architectures, as of Jan 2001 |
| the only supported Darwin targets are PowerPC and x86. */ |
| |
| /* 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 |
| |
| /* APPLE LOCAL begin dynamic-no-pic */ |
| extern int machopic_symbol_defined_p (rtx); |
| /* APPLE LOCAL end dynamic-no-pic */ |
| |
| /* APPLE LOCAL begin axe stubs 5571540 */ |
| extern int darwin_stubs; |
| /* APPLE LOCAL end axe stubs 5571540 */ |
| |
| /* APPLE LOCAL begin mainline 2006-11-01 3334812 */ |
| /* Don't assume anything about the header files. */ |
| #define NO_IMPLICIT_EXTERN_C |
| /* APPLE LOCAL end mainline 2006-11-01 3334812 */ |
| |
| /* Suppress g++ attempt to link in the math library automatically. */ |
| #define MATH_LIBRARY "" |
| |
| /* We have atexit. */ |
| |
| #define HAVE_ATEXIT |
| |
| /* Define an empty body for the function do_global_dtors() in libgcc2.c. */ |
| |
| #define DO_GLOBAL_DTORS_BODY |
| |
| /* The string value for __SIZE_TYPE__. */ |
| |
| #ifndef SIZE_TYPE |
| #define SIZE_TYPE "long unsigned int" |
| #endif |
| |
| /* Type used for ptrdiff_t, as a string used in a declaration. */ |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "int" |
| |
| /* wchar_t is int. */ |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 32 |
| |
| /* Default to using the NeXT-style runtime, since that's what is |
| pre-installed on Darwin systems. */ |
| |
| #define NEXT_OBJC_RUNTIME |
| |
| /* Don't default to pcc-struct-return, because gcc is the only compiler, and |
| we want to retain compatibility with older gcc versions. */ |
| |
| #undef DEFAULT_PCC_STRUCT_RETURN |
| #define DEFAULT_PCC_STRUCT_RETURN 0 |
| |
| /* APPLE LOCAL begin -Wfour-char-constants */ |
| /* Don't warn about MacOS-style 'APPL' four-char-constants. */ |
| #undef WARN_FOUR_CHAR_CONSTANTS |
| #define WARN_FOUR_CHAR_CONSTANTS 0 |
| /* APPLE LOCAL end -Wfour-char-constants */ |
| |
| /* True if pragma ms_struct is in effect. */ |
| extern GTY(()) int darwin_ms_struct; |
| |
| /* 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. |
| |
| The SUBTARGET_OPTION_TRANSLATE_TABLE macro, which _must_ be defined |
| in gcc/config/{i386,rs6000}/darwin.h, should contain any additional |
| command-line option translations specific to the particular target |
| architecture. */ |
| |
| /* LLVM LOCAL - begin */ |
| #ifdef ENABLE_LLVM |
| #define LLVM_FLAG { "-mllvm", "-Zmllvm" }, |
| #else |
| #define LLVM_FLAG |
| #endif |
| /* LLVM LOCAL - end */ |
| |
| #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" }, \ |
| { "-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", "-Zfn_seg_addr_table_filename" }, \ |
| /* APPLE LOCAL mainline */ \ |
| { "-umbrella", "-Zumbrella" }, \ |
| /* APPLE LOCAL kext weak_import 5935650 */ \ |
| { "-fapple-kext", "-fapple-kext -static" }, \ |
| { "-filelist", "-Xlinker -filelist -Xlinker" }, \ |
| { "-findirect-virtual-calls", "-fapple-kext" }, \ |
| { "-flat_namespace", "-Zflat_namespace" }, \ |
| { "-force_cpusubtype_ALL", "-Zforce_cpusubtype_ALL" }, \ |
| { "-force_flat_namespace", "-Zforce_flat_namespace" }, \ |
| { "-framework", "-Xlinker -framework -Xlinker" }, \ |
| { "-fterminated-vtables", "-fapple-kext" }, \ |
| { "-image_base", "-Zimage_base" }, \ |
| { "-init", "-Zinit" }, \ |
| { "-install_name", "-Zinstall_name" }, \ |
| /* LLVM LOCAL */ \ |
| LLVM_FLAG \ |
| /* APPLE LOCAL kext weak_import 5935650 */ \ |
| { "-mkernel", "-mkernel -static" }, \ |
| { "-multiply_defined_unused", "-Zmultiplydefinedunused" }, \ |
| { "-multiply_defined", "-Zmultiply_defined" }, \ |
| { "-multi_module", "-Zmulti_module" }, \ |
| /* APPLE LOCAL begin kext weak_import 5935650 */ \ |
| /* Removed -static */ \ |
| /* APPLE LOCAL end kext weak_import 5935650 */ \ |
| /* APPLE LOCAL mainline */ \ |
| { "-shared", "-Zdynamiclib" }, \ |
| { "-single_module", "-Zsingle_module" }, \ |
| { "-unexported_symbols_list", "-Zunexported_symbols_list" }, \ |
| /* APPLE LOCAL radar 6269491 */ \ |
| /* code removed. */ \ |
| /* APPLE LOCAL begin constant cfstrings */ \ |
| { "-fconstant-cfstrings", "-mconstant-cfstrings" }, \ |
| { "-fno-constant-cfstrings", "-mno-constant-cfstrings" }, \ |
| { "-Wnonportable-cfstrings", "-mwarn-nonportable-cfstrings" }, \ |
| { "-Wno-nonportable-cfstrings", "-mno-warn-nonportable-cfstrings" }, \ |
| { "-fpascal-strings", "-mpascal-strings" }, \ |
| { "-fno-pascal-strings", "-mno-pascal-strings" }, \ |
| /* APPLE LOCAL end constant cfstrings */ \ |
| SUBTARGET_OPTION_TRANSLATE_TABLE |
| |
| /* APPLE LOCAL begin constant cfstrings */ |
| extern int darwin_running_cxx; |
| /* APPLE LOCAL end constant cfstrings */ |
| |
| /* APPLE LOCAL begin pragma reverse_bitfields */ |
| /* True if pragma reverse_bitfields is in effect. */ |
| extern GTY(()) int darwin_reverse_bitfields; |
| /* APPLE LOCAL end pragma reverse_bitfields */ |
| |
| /* APPLE LOCAL begin ARM 5683689 */ |
| enum darwin_version_type { |
| DARWIN_VERSION_MACOSX, |
| DARWIN_VERSION_IPHONEOS |
| }; |
| /* APPLE LOCAL end ARM 5683689 */ |
| |
| /* APPLE LOCAL AT&T-style stub 4164563 */ |
| #define MACHOPIC_ATT_STUB (darwin_macho_att_stub) |
| |
| #define SUBSUBTARGET_OVERRIDE_OPTIONS \ |
| do { \ |
| /* APPLE LOCAL begin constant cfstrings */ \ |
| if (darwin_pascal_strings) \ |
| { \ |
| warn_pointer_sign = 1; \ |
| CPP_OPTION (parse_in, pascal_strings) = 1; \ |
| } \ |
| /* APPLE LOCAL begin ARM 5683689 */ \ |
| if (darwin_macosx_version_min && darwin_iphoneos_version_min) \ |
| error ("-mmacosx-version-min not allowed with" \ |
| " -miphoneos-version-min"); \ |
| /* APPLE LOCAL end ARM 5683689 */ \ |
| /* The c_dialect...() macros are not available to us here. */ \ |
| darwin_running_cxx = (strstr (lang_hooks.name, "C++") != 0); \ |
| /* APPLE LOCAL end constant cfstrings */ \ |
| darwin_override_options (); \ |
| } while (0) |
| |
| /* APPLE LOCAL begin constant cfstrings */ |
| #define SUBTARGET_INIT_BUILTINS \ |
| do { \ |
| darwin_init_cfstring_builtins (); \ |
| } while(0) |
| |
| #undef TARGET_EXPAND_TREE_BUILTIN |
| #define TARGET_EXPAND_TREE_BUILTIN darwin_expand_tree_builtin |
| #undef TARGET_CONSTRUCT_OBJC_STRING |
| #define TARGET_CONSTRUCT_OBJC_STRING darwin_construct_objc_string |
| /* APPLE LOCAL end constant cfstrings */ |
| |
| /* These compiler options take n arguments. */ |
| |
| /* LLVM LOCAL - begin */ |
| #ifdef ENABLE_LLVM |
| #define LLVM_STRCMP(STR) !strcmp (STR, "Zmllvm") ? 1 : |
| #else |
| #define LLVM_STRCMP(STR) |
| #endif |
| /* LLVM LOCAL - end */ |
| |
| #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 : \ |
| /* LLVM LOCAL */ \ |
| LLVM_STRCMP(STR) \ |
| !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, "Zsegaddr") ? 2 : \ |
| !strcmp (STR, "Zsegs_read_only_addr") ? 1 : \ |
| !strcmp (STR, "Zsegs_read_write_addr") ? 1 : \ |
| !strcmp (STR, "Zseg_addr_table") ? 1 : \ |
| !strcmp (STR, "Zfn_seg_addr_table_filename") ? 1 :\ |
| !strcmp (STR, "seg1addr") ? 1 : \ |
| !strcmp (STR, "segprot") ? 3 : \ |
| !strcmp (STR, "sub_library") ? 1 : \ |
| !strcmp (STR, "sub_umbrella") ? 1 : \ |
| /* APPLE LOCAL mainline */ \ |
| !strcmp (STR, "Zumbrella") ? 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) |
| |
| #define SUBTARGET_C_COMMON_OVERRIDE_OPTIONS do { \ |
| if (flag_mkernel || flag_apple_kext) \ |
| { \ |
| if (flag_use_cxa_atexit == 2) \ |
| flag_use_cxa_atexit = 0; \ |
| /* kexts should always be built without the coalesced sections \ |
| because the kernel loader doesn't grok such sections. */ \ |
| flag_weak = 0; \ |
| /* No RTTI in kexts. */ \ |
| flag_rtti = 0; \ |
| /* APPLE LOCAL begin 5731065 */ \ |
| if (flag_mkernel) \ |
| flag_no_builtin = 1; \ |
| /* APPLE LOCAL end 5731065 */ \ |
| /* APPLE LOCAL xmmintrin.h for kernel 4123064 */ \ |
| flag_hosted = 0; \ |
| } \ |
| } while (0) |
| |
| /* Machine dependent cpp options. Don't add more options here, add |
| them to darwin_cpp_builtins in darwin-c.c. */ |
| |
| #undef CPP_SPEC |
| #define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}" \ |
| " %{pthread:-D_REENTRANT}" |
| |
| /* APPLE LOCAL begin private extern */ |
| #undef CC1PLUS_SPEC |
| #define CC1PLUS_SPEC "-D__private_extern__=extern" |
| /* APPLE LOCAL end private extern */ |
| |
| /* 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. */ |
| /* APPLE LOCAL begin mainline */ |
| #define LINK_COMMAND_SPEC "\ |
| %{!fdump=*:%{!fsyntax-only:%{!precomp:%{!c:%{!M:%{!MM:%{!E:%{!S:\ |
| %(linker) %l %X %{d} %{s} %{t} %{Z} %{u*} \ |
| "/* LLVM LOCAL lto */"\ |
| %{A} %<emit-llvm %{e*} %{m} %{r} %{x} \ |
| %{o*}%{!o:-o a.out} \ |
| %{!A:%{!nostdlib:%{!nostartfiles:%S}}} \ |
| %{L*} %{fopenmp:%:include(libgomp.spec)%(link_gomp)} \ |
| "/* APPLE LOCAL add fcreate-profile */"\ |
| %(link_libgcc) %o %{fprofile-arcs|fprofile-generate|fcreate-profile|coverage:-lgcov} \ |
| "/* APPLE LOCAL nested functions 4357979 */"\ |
| %{fnested-functions: -allow_stack_execute} \ |
| "/* APPLE LOCAL prefer -lSystem 6645902 */"\ |
| %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}} \ |
| "/* APPLE LOCAL begin mainline 4.3 2006-10-31 4370146 */"\ |
| %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}}\n\ |
| %{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ |
| "/* APPLE LOCAL end mainline 4.3 2006-10-31 4370146 */"\ |
| %{.c|.cc|.C|.cpp|.cp|.c++|.cxx|.CPP|.m|.mm: \ |
| %{g*:%{!gstabs*:%{!g0: dsymutil %{o*:%*}%{!o:a.out}}}}}}}}}}}}" |
| /* APPLE LOCAL end mainline */ |
| |
| #ifdef TARGET_SYSTEM_ROOT |
| #define LINK_SYSROOT_SPEC \ |
| "%{isysroot*:-syslibroot %*;:-syslibroot " TARGET_SYSTEM_ROOT "}" |
| #else |
| #define LINK_SYSROOT_SPEC "%{isysroot*:-syslibroot %*}" |
| #endif |
| |
| /* 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. */ |
| /* LLVM LOCAL - begin */ |
| #ifdef ENABLE_LLVM |
| #define LLVM_LINK_SPEC "%{Zmllvm*:-mllvm %*}" |
| #else |
| #define LLVM_LINK_SPEC "" |
| #endif |
| /* LLVM LOCAL - end */ |
| |
| /* APPLE LOCAL begin mainline */ |
| #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_flat_namespace:-force_flat_namespace} \ |
| %{Zinstall_name*:%e-install_name only allowed with -dynamiclib} \ |
| %{keep_private_externs} \ |
| %{private_bundle} \ |
| } \ |
| %{Zdynamiclib: -dylib \ |
| %{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*:-dylib_compatibility_version %*} \ |
| %{current_version*:-dylib_current_version %*} \ |
| %{Zforce_cpusubtype_ALL:-arch %(darwin_arch)} \ |
| %{!Zforce_cpusubtype_ALL: -arch %(darwin_subarch)} \ |
| %{Zforce_flat_namespace:%e-force_flat_namespace not allowed with -dynamiclib} \ |
| %{Zinstall_name*:-dylib_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} \ |
| %{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 %*} \ |
| %{Zflat_namespace:-flat_namespace} \ |
| %{headerpad_max_install_names*} \ |
| %{Zimage_base*:-image_base %*} \ |
| %{Zinit*:-init %*} \ |
| "/* APPLE LOCAL begin ARM 5683689 */"\ |
| %{!mmacosx-version-min=*: %{!miphoneos-version-min=*: %(darwin_ld_minversion)}} \ |
| %{mmacosx-version-min=*:-macosx_version_min %*} \ |
| %{miphoneos-version-min=*:-iphoneos_version_min %*} \ |
| "/* APPLE LOCAL end ARM 5683689 */"\ |
| "/* APPLE LOCAL begin llvm */\ |
| LLVM_LINK_SPEC \ |
| /* APPLE LOCAL end llvm */" \ |
| %{nomultidefs} \ |
| %{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \ |
| %{Zmultiply_defined*:-multiply_defined %*} \ |
| "/* APPLE LOCAL begin deletion 5023884 */" \ |
| "/* APPLE LOCAL end deletion 5023884 */" \ |
| %{Zmultiplydefinedunused*:-multiply_defined_unused %*} \ |
| "/* APPLE LOCAL mainline 2007-06-01 5238485 */" \ |
| %{fpie:-pie} \ |
| %{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \ |
| %{read_only_relocs} \ |
| %{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 %*} \ |
| %{Zfn_seg_addr_table_filename*:-seg_addr_table_filename %*} \ |
| %{sub_library*} %{sub_umbrella*} \ |
| " LINK_SYSROOT_SPEC " \ |
| %{twolevel_namespace} %{twolevel_namespace_hints} \ |
| %{Zumbrella*: -umbrella %*} \ |
| %{undefined*} \ |
| %{Zunexported_symbols_list*:-unexported_symbols_list %*} \ |
| %{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \ |
| %{!Zweak_reference_mismatches*:-weak_reference_mismatches non-weak} \ |
| %{X} \ |
| %{y*} \ |
| %{w} \ |
| %{pagezero_size*} %{segs_read_*} %{seglinkedit} %{noseglinkedit} \ |
| %{sectalign*} %{sectobjectsymbols*} %{segcreate*} %{whyload} \ |
| %{whatsloaded} %{dylinker_install_name*} \ |
| %{dylinker} %{Mach} " |
| /* APPLE LOCAL end mainline */ |
| |
| /* Machine dependent libraries. */ |
| |
| #define LIB_SPEC "%{!static:-lSystem}" |
| |
| /* Support -mmacosx-version-min by supplying different (stub) libgcc_s.dylib |
| libraries to link against, and by not linking against libgcc_s on |
| earlier-than-10.3.9. |
| |
| Note that by default, -lgcc_eh is not linked against! This is |
| because in a future version of Darwin the EH frame information may |
| be in a new format, or the fallback routine might be changed; if |
| you want to explicitly link against the static version of those |
| routines, because you know you don't need to unwind through system |
| libraries, you need to explicitly say -static-libgcc. |
| |
| If it is linked against, it has to be before -lgcc, because it may |
| need symbols from -lgcc. */ |
| #undef REAL_LIBGCC_SPEC |
| #define REAL_LIBGCC_SPEC \ |
| /* APPLE LOCAL libgcc_static.a */ \ |
| "%{static:-lgcc_static; static-libgcc: -lgcc_eh -lgcc; \ |
| "/* APPLE LOCAL ARM 5683689 5681645 */" \ |
| miphoneos-version-min=*: %(darwin_iphoneos_libgcc); \ |
| shared-libgcc|fexceptions|fgnu-runtime: \ |
| %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_s.10.4) \ |
| "/* APPLE LOCAL link optimizations 6499452 */" \ |
| %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5) \ |
| -lgcc; \ |
| :%:version-compare(>< 10.3.9 10.5 mmacosx-version-min= -lgcc_s.10.4) \ |
| "/* APPLE LOCAL link optimizations 6499452 */" \ |
| %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5) \ |
| -lgcc}" |
| |
| /* We specify crt0.o as -lcrt0.o so that ld will search the library path. |
| |
| crt3.o provides __cxa_atexit on systems that don't have it. Since |
| it's only used with C++, which requires passing -shared-libgcc, key |
| off that to avoid unnecessarily adding a destructor to every |
| powerpc program built. */ |
| |
| /* APPLE LOCAL begin mainline */ |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| "%{Zdynamiclib: %(darwin_dylib1) } \ |
| "/* APPLE LOCAL link optimizations 6499452 */" \ |
| %{!Zdynamiclib:%{Zbundle:%{!static: %(darwin_bundle1)}} \ |
| %{!Zbundle:%{pg:%{static:-lgcrt0.o} \ |
| %{!static:%{object:-lgcrt0.o} \ |
| %{!object:%{preload:-lgcrt0.o} \ |
| %{!preload:-lgcrt1.o %(darwin_crt2)}}}} \ |
| %{!pg:%{static:-lcrt0.o} \ |
| %{!static:%{object:-lcrt0.o} \ |
| %{!object:%{preload:-lcrt0.o} \ |
| %{!preload: %(darwin_crt1) \ |
| %(darwin_crt2)}}}}}} \ |
| %{shared-libgcc: \ |
| %{!miphoneos-version-min=*: \ |
| %:version-compare(< 10.5 mmacosx-version-min= crt3.o%s)}}" |
| /* APPLE LOCAL end mainline */ |
| |
| /* 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 "" */ |
| |
| /* APPLE LOCAL begin mainline */ |
| #define DARWIN_EXTRA_SPECS \ |
| { "darwin_crt1", DARWIN_CRT1_SPEC }, \ |
| { "darwin_dylib1", DARWIN_DYLIB1_SPEC }, \ |
| /* APPLE LOCAL link optimizations 6499452 */ \ |
| { "darwin_bundle1", DARWIN_BUNDLE1_SPEC }, \ |
| { "darwin_minversion", DARWIN_MINVERSION_SPEC }, \ |
| /* APPLE LOCAL end mainline */ \ |
| /* APPLE LOCAL begin ARM 5683689 */ \ |
| { "darwin_cc1_minversion", DARWIN_CC1_MINVERSION_SPEC }, \ |
| { "darwin_ld_minversion", DARWIN_LD_MINVERSION_SPEC }, \ |
| /* APPLE LOCAL end ARM 5683689 */ \ |
| /* APPLE LOCAL ARM 5681645 */ \ |
| { "darwin_iphoneos_libgcc", DARWIN_IPHONEOS_LIBGCC_SPEC }, |
| |
| /* APPLE LOCAL begin ARM 5683689 */ |
| #define DARWIN_DYLIB1_SPEC \ |
| "%{miphoneos-version-min=*: -ldylib1.o} \ |
| %{!miphoneos-version-min=*: \ |
| %:version-compare(!> 10.5 mmacosx-version-min= -ldylib1.o) \ |
| %:version-compare(>= 10.5 mmacosx-version-min= -ldylib1.10.5.o)}" |
| |
| /* APPLE LOCAL begin link optimizations 6499452 */ |
| #define DARWIN_BUNDLE1_SPEC \ |
| "-lbundle1.o" |
| /* APPLE LOCAL end link optimizations 6499452 */ |
| |
| #define DARWIN_CRT1_SPEC \ |
| /* APPLE LOCAL ARM 5823776 iphoneos should use crt1.o */ \ |
| "%{miphoneos-version-min=*: -lcrt1.o} \ |
| %{!miphoneos-version-min=*: \ |
| %:version-compare(!> 10.5 mmacosx-version-min= -lcrt1.o) \ |
| %:version-compare(>= 10.5 mmacosx-version-min= -lcrt1.10.5.o)}" |
| /* APPLE LOCAL end ARM 5683689 */ |
| |
| /* APPLE LOCAL begin prefer -lSystem 6645902 */ |
| #define LINK_GCC_C_SEQUENCE_SPEC "%G %L" |
| /* APPLE LOCAL end prefer -lSystem 6645902 */ |
| |
| /* Default Darwin ASM_SPEC, very simple. */ |
| /* APPLE LOCAL begin kext weak_import 5935650 */ |
| /* APPLE LOCAL begin radar 4161346 */ |
| #define ASM_SPEC "-arch %(darwin_arch) \ |
| %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL} \ |
| %{!Zforce_cpusubtype_ALL:%{faltivec:-force_cpusubtype_ALL}} \ |
| %{mkernel|static|fapple-kext:%{!Zdynamic:-static}}" |
| /* APPLE LOCAL end radar 4161346 */ |
| /* APPLE LOCAL end kext weak_import 5935650 */ |
| /* APPLE LOCAL begin mainline 4.3 2006-10-31 4370143 */ |
| /* We still allow output of STABS. */ |
| |
| #define DBX_DEBUGGING_INFO 1 |
| |
| /* Prefer DWARF2. */ |
| #define DWARF2_DEBUGGING_INFO |
| #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
| |
| /* APPLE LOCAL end mainline 4.3 2006-10-31 4370143 */ |
| #define DEBUG_FRAME_SECTION "__DWARF,__debug_frame,regular,debug" |
| #define DEBUG_INFO_SECTION "__DWARF,__debug_info,regular,debug" |
| #define DEBUG_ABBREV_SECTION "__DWARF,__debug_abbrev,regular,debug" |
| #define DEBUG_ARANGES_SECTION "__DWARF,__debug_aranges,regular,debug" |
| #define DEBUG_MACINFO_SECTION "__DWARF,__debug_macinfo,regular,debug" |
| #define DEBUG_LINE_SECTION "__DWARF,__debug_line,regular,debug" |
| #define DEBUG_LOC_SECTION "__DWARF,__debug_loc,regular,debug" |
| #define DEBUG_PUBNAMES_SECTION "__DWARF,__debug_pubnames,regular,debug" |
| /* APPLE LOCAL begin pubtypes, approved for 4.3 4535968 */ |
| #define DEBUG_PUBTYPES_SECTION "__DWARF,__debug_pubtypes,regular,debug" |
| /* APPLE LOCAL end pubtypes, approved for 4.3 4535968 */ |
| /* APPLE LOCAL radar 6275985 debug inlined section */ |
| #define DEBUG_INLINED_SECTION "__DWARF,__debug_inlined,regular,debug" |
| #define DEBUG_STR_SECTION "__DWARF,__debug_str,regular,debug" |
| #define DEBUG_RANGES_SECTION "__DWARF,__debug_ranges,regular,debug" |
| |
| /* APPLE LOCAL begin gdb only used symbols */ |
| /* Support option to generate stabs for only used symbols. */ |
| |
| #define DBX_ONLY_USED_SYMBOLS |
| /* APPLE LOCAL end gdb only used symbols */ |
| |
| /* When generating stabs debugging, use N_BINCL entries. */ |
| |
| #define DBX_USE_BINCL |
| |
| /* There is no limit to the length of stabs strings. */ |
| |
| #define DBX_CONTIN_LENGTH 0 |
| |
| /* gdb needs a null N_SO at the end of each file for scattered loading. */ |
| |
| #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END |
| |
| /* GCC's definition of 'one_only' is the same as its definition of 'weak'. */ |
| #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1) |
| |
| /* 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) |
| |
| /* LLVM LOCAL begin */ |
| #ifdef ENABLE_LLVM |
| /* As in the warning above, alias definitions aren't supported on Mach-O. */ |
| #define TARGET_DOES_NOT_SUPPORT_ALIAS_DEFINITIONS |
| |
| /* weak_import, a Darwin special, does not make function definitions weak. */ |
| #define TARGET_ADJUST_LLVM_LINKAGE(FN, DECL) \ |
| do { \ |
| if ((DECL) && \ |
| TREE_CODE (DECL) == FUNCTION_DECL && \ |
| !DECL_EXTERNAL (DECL) && \ |
| TREE_PUBLIC (DECL) && \ |
| DECL_WEAK (DECL) && \ |
| ! lookup_attribute ("weak", DECL_ATTRIBUTES (DECL)) && \ |
| lookup_attribute ("weak_import", DECL_ATTRIBUTES (DECL)) && \ |
| (FN)->hasWeakLinkage()) { \ |
| (FN)->setLinkage(Function::ExternalLinkage); \ |
| } \ |
| } while (0) |
| |
| /* LLVM LOCAL - begin radar 6389998 */ |
| /* A const CFString is created as an anonymous global variable. LLVM then gives |
| it the name '__unnamed_#_#'. This causes troubles with the runtime, which |
| expects the name to be internal. Give it an internal name here. */ |
| #define TARGET_ADJUST_CFSTRING_NAME(GV, SEC) \ |
| do { \ |
| if (!GV->hasName() && GV->hasInternalLinkage() && \ |
| strcmp((SEC), "__DATA, __cfstring") == 0) { \ |
| static unsigned i = 0; \ |
| const char *fmt = "\01L_unnamed_cfstring_%d"; \ |
| char *N = (char *)alloca(strlen(fmt) + 37); \ |
| sprintf(N, fmt, i++); \ |
| GV->setName(N); \ |
| } \ |
| } while (0) |
| /* LLVM LOCAL - end radar 6389998 */ |
| |
| /* Assign STRING_CSTs to the .cstring section. */ |
| #define LLVM_CSTRING_SECTION "__TEXT,__cstring,cstring_literals" |
| #define LLVM_CONST_DATA_SECTION "__DATA,__const" |
| #endif |
| /* LLVM LOCAL end */ |
| |
| /* 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 |
| a consequence, we should never use common symbols to represent |
| vague linkage. */ |
| #undef USE_COMMON_FOR_ONE_ONLY |
| #define USE_COMMON_FOR_ONE_ONLY 0 |
| |
| /* The Darwin linker doesn't want coalesced symbols to appear in |
| a static archive's table of contents. */ |
| #undef TARGET_WEAK_NOT_IN_ARCHIVE_TOC |
| #define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 1 |
| |
| /* On Darwin, we don't (at the time of writing) have linkonce sections |
| with names, so it's safe to make the class data not comdat. */ |
| #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_false |
| |
| /* APPLE LOCAL begin mainline 4.3 2006-01-10 4871915 */ |
| /* For efficiency, on Darwin the RTTI information that is always |
| emitted in the standard C++ library should not be COMDAT. */ |
| #define TARGET_CXX_LIBRARY_RTTI_COMDAT hook_bool_void_false |
| |
| /* APPLE LOCAL end mainline 4.3 2006-01-10 4871915 */ |
| /* We make exception information linkonce. */ |
| #undef TARGET_USES_WEAK_UNWIND_INFO |
| #define TARGET_USES_WEAK_UNWIND_INFO 1 |
| |
| /* We need to use a nonlocal label for the start of an EH frame: the |
| Darwin linker requires that a coalesced section start with a label. |
| Unfortunately, it also requires that 'debug' sections don't contain |
| labels. */ |
| #undef FRAME_BEGIN_LABEL |
| #define FRAME_BEGIN_LABEL (for_eh ? "EH_frame" : "Lframe") |
| |
| /* Emit a label for the FDE corresponding to DECL. EMPTY means |
| emit a label for an empty FDE. */ |
| #define TARGET_ASM_EMIT_UNWIND_LABEL darwin_emit_unwind_label |
| |
| /* Emit a label to separate the exception table. */ |
| #define TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL darwin_emit_except_table_label |
| |
| /* Our profiling scheme doesn't LP labels and counter words. */ |
| |
| #define NO_PROFILE_COUNTERS 1 |
| |
| #undef INIT_SECTION_ASM_OP |
| #define INIT_SECTION_ASM_OP |
| |
| /* APPLE LOCAL begin static structors in __StaticInit section */ |
| #define STATIC_INIT_SECTION "__TEXT,__StaticInit,regular,pure_instructions" |
| /* APPLE LOCAL end static structors in __StaticInit section */ |
| |
| #undef INVOKE__main |
| |
| #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. */ |
| #undef TARGET_ASM_FILE_START_FILE_DIRECTIVE |
| #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false |
| |
| #undef TARGET_ASM_FILE_END |
| #define TARGET_ASM_FILE_END darwin_file_end |
| |
| #define ASM_OUTPUT_SKIP(FILE,SIZE) \ |
| fprintf (FILE, "\t.space "HOST_WIDE_INT_PRINT_UNSIGNED"\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) \ |
| do { if (CAT_NAME) \ |
| sprintf (BUF, "%c[%s(%s) %s]", (IS_INST) ? '-' : '+', \ |
| (CLASS_NAME), (CAT_NAME), (SEL_NAME)); \ |
| else \ |
| sprintf (BUF, "%c[%s %s]", (IS_INST) ? '-' : '+', \ |
| (CLASS_NAME), (SEL_NAME)); \ |
| } while (0) |
| |
| /* APPLE LOCAL begin radar 5023725 */ |
| #undef OBJC_FLAG_ZEROCOST_EXCEPTIONS |
| #define OBJC_FLAG_ZEROCOST_EXCEPTIONS \ |
| do { \ |
| /* APPLE LOCAL begin ARM 5683689 */ \ |
| if (darwin_macosx_version_min \ |
| && strverscmp (darwin_macosx_version_min, "10.5") < 0) \ |
| /* APPLE LOCAL end ARM 5683689 */ \ |
| error ("Mac OS X version 10.5 or later is needed for zerocost-exceptions"); \ |
| } while (0) |
| /* APPLE LOCAL end radar 5023725 */ |
| |
| /* LLVM LOCAL begin */ |
| /* APPLE LOCAL begin radar 4590191 */ |
| #undef OBJC_FLAG_SJLJ_EXCEPTIONS |
| #define OBJC_FLAG_SJLJ_EXCEPTIONS \ |
| do { \ |
| if (darwin_macosx_version_min \ |
| && strverscmp (darwin_macosx_version_min, "10.3") < 0) \ |
| warning (0, "Mac OS X version 10.3 or later is needed instead of %s for objc/obj-c++ exceptions", \ |
| darwin_macosx_version_min); \ |
| } while(0) |
| /* APPLE LOCAL end radar 4590191 */ |
| /* LLVM LOCAL end */ |
| |
| /* APPLE LOCAL begin radar 4862848 */ |
| #undef OBJC_FLAG_OBJC_ABI |
| #define OBJC_FLAG_OBJC_ABI \ |
| do { if (flag_objc_abi > 2) \ |
| { \ |
| error ("Unknown objective-c abi flag"); \ |
| flag_objc_abi = 1; /* recover */ \ |
| } \ |
| if (flag_objc_abi == -1) \ |
| flag_objc_abi = (flag_next_runtime && TARGET_64BIT) ? 2 : 1; \ |
| /* APPLE LOCAL begin ARM hybrid objc-2.0 */ \ |
| if (flag_objc_legacy_dispatch == -1) \ |
| flag_objc_legacy_dispatch = (flag_objc_abi < 2); \ |
| /* APPLE LOCAL end ARM hybrid objc-2.0 */ \ |
| /* APPLE LOCAL begin radar 2848255 */ \ |
| /* APPLE LOCAL begin radar 5023725 */ \ |
| if (flag_objc_abi == 2) \ |
| flag_objc_zerocost_exceptions = 1; \ |
| if (flag_objc_zerocost_exceptions) \ |
| { \ |
| flag_exceptions = 1; \ |
| flag_objc_sjlj_exceptions = 0; \ |
| } \ |
| /* APPLE LOCAL end radar 5023725 */ \ |
| if (flag_objc_zerocost_exceptions && flag_objc_abi != 2) \ |
| { \ |
| error ("zero-cost exception is available with new abi only");\ |
| flag_objc_abi = 2; /* recover */ \ |
| } \ |
| /* APPLE LOCAL end radar 2848255 */ \ |
| /* APPLE LOCAL begin 5660282 */ \ |
| if (darwin_iphoneos_version_min && flag_objc_gc) \ |
| { \ |
| warning (0, "-fobjc-gc not supported for iPhone OS; ignoring.");\ |
| flag_objc_gc = 0; \ |
| } \ |
| if (darwin_iphoneos_version_min && flag_objc_gc_only) \ |
| { \ |
| warning (0, "-fobjc-gc-only not supported for iPhone OS; ignoring.");\ |
| flag_objc_gc_only = 0; \ |
| } \ |
| /* APPLE LOCAL end 5660282 */ \ |
| } while (0) |
| /* APPLE LOCAL end radar 4862848 */ |
| |
| /* APPLE LOCAL begin radar 4531086 */ |
| #undef OBJC_WARN_OBJC2_FEATURES |
| #define OBJC_WARN_OBJC2_FEATURES(MESSAGE) \ |
| /* APPLE LOCAL begin ARM 5683689 */ \ |
| do { \ |
| if (darwin_macosx_version_min \ |
| && strverscmp (darwin_macosx_version_min, "10.5") < 0) \ |
| /* APPLE LOCAL end ARM 5683689 */ \ |
| warning (0, "Mac OS X version 10.5 or later is needed for use of %s", \ |
| MESSAGE); \ |
| } while (0) |
| /* APPLE LOCAL end radar 4531086 */ |
| |
| /* APPLE LOCAL begin radar 6307941 */ |
| #undef OBJC2_ABI_DISPATCH |
| #define OBJC2_ABI_DISPATCH \ |
| (darwin_macosx_version_min \ |
| && strverscmp (darwin_macosx_version_min, "10.6") < 0) |
| /* APPLE LOCAL end radar 6307941 */ |
| |
| /* 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_symbol calls are telling the machopic subsystem |
| that the name *is* defined in this module, so it doesn't need to |
| make them indirect. */ |
| |
| #undef ASM_DECLARE_OBJECT_NAME |
| #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ |
| do { \ |
| const char *xname = NAME; \ |
| if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \ |
| xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \ |
| if (! 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 \ |
| byte. */ \ |
| if (tree_low_cst (DECL_SIZE_UNIT (DECL), 1) == 0) \ |
| assemble_zeros (1); \ |
| } while (0) |
| |
| /* APPLE LOCAL begin ARM darwin target */ |
| #ifndef SUBTARGET_ASM_DECLARE_FUNCTION_NAME |
| #define SUBTARGET_ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) |
| #endif |
| /* APPLE LOCAL end ARM darwin target */ |
| |
| #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ |
| do { \ |
| const char *xname = NAME; \ |
| /* APPLE LOCAL ARM darwin target */ \ |
| SUBTARGET_ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL); \ |
| 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); \ |
| } while (0) |
| |
| #define ASM_DECLARE_CONSTANT_NAME(FILE, NAME, EXP, SIZE) \ |
| do { \ |
| ASM_OUTPUT_LABEL (FILE, NAME); \ |
| /* Darwin doesn't support zero-size objects, so give them a \ |
| byte. */ \ |
| if ((SIZE) == 0) \ |
| assemble_zeros (1); \ |
| } while (0) |
| |
| /* Wrap new method names in quotes so the assembler doesn't gag. |
| Make Objective-C internal symbols local. */ |
| |
| #undef ASM_OUTPUT_LABELREF |
| #define ASM_OUTPUT_LABELREF(FILE,NAME) \ |
| do { \ |
| 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 ("$stub", xname + len - 5)) \ |
| machopic_validate_stub_or_non_lazy_ptr (xname); \ |
| else if (len > 7 && !strcmp ("$stub\"", xname + len - 6)) \ |
| machopic_validate_stub_or_non_lazy_ptr (xname); \ |
| else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \ |
| machopic_validate_stub_or_non_lazy_ptr (xname); \ |
| else if (len > 15 && !strcmp ("$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); \ |
| /* APPLE LOCAL radar 5202926 */ \ |
| else if (objc_anonymous_local_objc_name (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)) \ |
| /* APPLE LOCAL 5782111 */ \ |
| asm_fprintf (FILE, "\"%U%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 "\t.text" |
| |
| /* Output before writable data. */ |
| |
| #undef DATA_SECTION_ASM_OP |
| #define DATA_SECTION_ASM_OP "\t.data" |
| |
| #undef ALIGN_ASM_OP |
| #define ALIGN_ASM_OP ".align" |
| |
| #undef ASM_OUTPUT_ALIGN |
| #define ASM_OUTPUT_ALIGN(FILE,LOG) \ |
| if ((LOG) != 0) \ |
| fprintf (FILE, "\t%s %d\n", ALIGN_ASM_OP, (LOG)) |
| |
| /* Ensure correct alignment of bss data. */ |
| |
| #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)); \ |
| 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); \ |
| machopic_define_symbol (DECL_RTL (DECL)); \ |
| } \ |
| } while (0) |
| |
| /* The maximum alignment which the object file format can support in |
| bits. For Mach-O, this is 2^15 bytes. */ |
| |
| #undef MAX_OFILE_ALIGNMENT |
| #define MAX_OFILE_ALIGNMENT (0x8000 * 8) |
| |
| /* APPLE LOCAL begin AT&T-style stub 4164563 */ |
| #ifndef MACHOPIC_NL_SYMBOL_PTR_SECTION |
| #define MACHOPIC_NL_SYMBOL_PTR_SECTION ".non_lazy_symbol_pointer" |
| #endif |
| /* APPLE LOCAL end AT&T-style stub 4164563 */ |
| |
| /* Declare the section variables. */ |
| #ifndef USED_FOR_TARGET |
| enum darwin_section_enum { |
| #define DEF_SECTION(NAME, FLAGS, DIRECTIVE, OBJC) NAME, |
| #include "darwin-sections.def" |
| #undef DEF_SECTION |
| NUM_DARWIN_SECTIONS |
| }; |
| extern GTY(()) section * darwin_sections[NUM_DARWIN_SECTIONS]; |
| #endif |
| |
| #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 |
| #undef TARGET_ASM_RELOC_RW_MASK |
| #define TARGET_ASM_RELOC_RW_MASK machopic_reloc_rw_mask |
| |
| /* LLVM LOCAL begin */ |
| #ifdef ENABLE_LLVM |
| #define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \ |
| do { \ |
| if (FILE) { \ |
| char *Buffer = alloca(strlen(NAME)+30); \ |
| if (MACHOPIC_INDIRECT) \ |
| sprintf(Buffer, "\t.lazy_reference %s", NAME); \ |
| else \ |
| sprintf(Buffer, "\t.reference %s", NAME); \ |
| llvm_emit_file_scope_asm(Buffer); \ |
| } \ |
| } while (0) |
| #else |
| /* LLVM LOCAL end */ |
| |
| #define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \ |
| do { \ |
| if (FILE) { \ |
| if (MACHOPIC_INDIRECT) \ |
| fprintf (FILE, "\t.lazy_reference "); \ |
| else \ |
| fprintf (FILE, "\t.reference "); \ |
| assemble_name (FILE, NAME); \ |
| fprintf (FILE, "\n"); \ |
| } \ |
| } while (0) |
| /* LLVM LOCAL */ |
| #endif /*ENABLE_LLVM*/ |
| |
| /* LLVM LOCAL begin */ |
| #ifdef ENABLE_LLVM |
| #define ASM_DECLARE_CLASS_REFERENCE(FILE,NAME) \ |
| do { \ |
| if (FILE) { \ |
| char *Buffer = alloca(strlen(NAME) + 30); \ |
| sprintf(Buffer, "\t%s=0", NAME); \ |
| llvm_emit_file_scope_asm(Buffer); \ |
| sprintf(Buffer, "\t.globl %s", NAME); \ |
| llvm_emit_file_scope_asm(Buffer); \ |
| } \ |
| } while (0) |
| #else |
| /* LLVM LOCAL end */ |
| #define ASM_DECLARE_CLASS_REFERENCE(FILE,NAME) \ |
| do { \ |
| if (FILE) { \ |
| fprintf (FILE, "\t"); \ |
| assemble_name (FILE, NAME); \ |
| fprintf (FILE, "=0\n"); \ |
| (*targetm.asm_out.globalize_label) (FILE, NAME); \ |
| } \ |
| } while (0) |
| /* LLVM LOCAL */ |
| #endif /*ENABLE_LLVM*/ |
| |
| /* Globalizing directive for a label. */ |
| #define GLOBAL_ASM_OP ".globl " |
| #define TARGET_ASM_GLOBALIZE_LABEL darwin_globalize_label |
| |
| /* APPLE LOCAL begin weak definition */ |
| #define ASM_WEAK_DEFINITIONIZE_LABEL(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) |
| /* APPLE LOCAL end weak definition */ |
| |
| /* Emit an assembler directive to set visibility for a symbol. Used |
| to support visibility attribute and Darwin's private extern |
| feature. */ |
| #undef TARGET_ASM_ASSEMBLE_VISIBILITY |
| #define TARGET_ASM_ASSEMBLE_VISIBILITY darwin_assemble_visibility |
| |
| /* Extra attributes for Darwin. */ |
| #define SUBTARGET_ATTRIBUTE_TABLE \ |
| /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ \ |
| { "apple_kext_compatibility", 0, 0, false, true, false, \ |
| darwin_handle_kext_attribute }, \ |
| /* APPLE LOCAL ObjC GC */ \ |
| { "objc_gc", 1, 1, false, true, false, darwin_handle_objc_gc_attribute }, \ |
| /* APPLE LOCAL radar 5595352 */ \ |
| { "NSObject", 0, 0, false, true, false, darwin_handle_nsobject_attribute },\ |
| { "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)) |
| |
| #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. |
| When porting Mach-O to new architectures you need to make |
| sure these aren't clobbered by the backend. */ |
| |
| #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 { |
| MACHOPIC_UNDEFINED, |
| MACHOPIC_DEFINED_DATA, |
| MACHOPIC_UNDEFINED_DATA, |
| MACHOPIC_DEFINED_FUNCTION, |
| MACHOPIC_UNDEFINED_FUNCTION |
| }; |
| |
| /* Macros defining the various PIC cases. */ |
| |
| /* APPLE LOCAL begin mdynamic-no-pic */ |
| /* LLVM LOCAL - possibly redefine MACHO_DYNAMIC_NO_PIC_P */ |
| #undef MACHO_DYNAMIC_NO_PIC_P |
| #define MACHO_DYNAMIC_NO_PIC_P (TARGET_MACHO_DYNAMIC_NO_PIC) |
| /* APPLE LOCAL end mdynamic-no-pic */ |
| /* APPLE LOCAL begin mach-o cleanup */ |
| #undef MACHOPIC_INDIRECT |
| #define MACHOPIC_INDIRECT (flag_pic || MACHO_DYNAMIC_NO_PIC_P) |
| #define MACHOPIC_JUST_INDIRECT (MACHO_DYNAMIC_NO_PIC_P) |
| #undef MACHOPIC_PURE |
| #define MACHOPIC_PURE (flag_pic && ! MACHO_DYNAMIC_NO_PIC_P) |
| /* APPLE LOCAL end mach-o cleanup */ |
| #undef TARGET_ENCODE_SECTION_INFO |
| #define TARGET_ENCODE_SECTION_INFO darwin_encode_section_info |
| #undef TARGET_STRIP_NAME_ENCODING |
| #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding |
| |
| #define GEN_BINDER_NAME_FOR_STUB(BUF,STUB,STUB_LENGTH) \ |
| do { \ |
| const char *const stub_ = (STUB); \ |
| char *buffer_ = (BUF); \ |
| strcpy (buffer_, stub_); \ |
| if (stub_[0] == '"') \ |
| { \ |
| strcpy (buffer_ + (STUB_LENGTH) - 1, "_binder\""); \ |
| } \ |
| else \ |
| { \ |
| strcpy (buffer_ + (STUB_LENGTH), "_binder"); \ |
| } \ |
| } while (0) |
| |
| #define GEN_SYMBOL_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \ |
| do { \ |
| const char *const symbol_ = (SYMBOL); \ |
| char *buffer_ = (BUF); \ |
| if (name_needs_quotes (symbol_) && symbol_[0] != '"') \ |
| { \ |
| sprintf (buffer_, "\"%s\"", symbol_); \ |
| } \ |
| else \ |
| { \ |
| strcpy (buffer_, symbol_); \ |
| } \ |
| } while (0) |
| |
| /* APPLE LOCAL begin ARM 5603763 */ |
| /* Given a symbol name, remove quotes, prefix it with "L", suffix it |
| with SUFFIX, and re-apply quotes if needed. */ |
| |
| #define GEN_SUFFIXED_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH,SUFFIX) \ |
| do { \ |
| const char *symbol_ = (SYMBOL); \ |
| char *buffer_ = (BUF); \ |
| if (symbol_[0] == '"') \ |
| { \ |
| strcpy (buffer_, "\"L"); \ |
| strcpy (buffer_ + 2, symbol_ + 1); \ |
| strcpy (buffer_ + (SYMBOL_LENGTH), SUFFIX "\""); \ |
| } \ |
| else if (name_needs_quotes (symbol_)) \ |
| { \ |
| strcpy (buffer_, "\"L"); \ |
| strcpy (buffer_ + 2, symbol_); \ |
| strcpy (buffer_ + (SYMBOL_LENGTH) + 2, SUFFIX "\""); \ |
| } \ |
| else \ |
| { \ |
| strcpy (buffer_, "L"); \ |
| strcpy (buffer_ + 1, symbol_); \ |
| strcpy (buffer_ + (SYMBOL_LENGTH) + 1, SUFFIX); \ |
| } \ |
| } while (0) |
| |
| /* Given a symbol name string, create the lazy pointer version |
| of the symbol name. */ |
| |
| #define GEN_LAZY_PTR_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \ |
| GEN_SUFFIXED_NAME_FOR_SYMBOL (BUF, SYMBOL, SYMBOL_LENGTH, "$lazy_ptr") |
| /* APPLE LOCAL end ARM 5603763 */ |
| |
| #define EH_FRAME_SECTION_NAME "__TEXT" |
| #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) \ |
| /* APPLE LOCAL EH __TEXT __gcc_except_tab 5819051 */ \ |
| ((((CODE) == 2 || (CODE) == 0) && (GLOBAL) == 1) \ |
| ? (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) \ |
| darwin_asm_output_dwarf_delta (FILE, SIZE, LABEL1, LABEL2) |
| |
| #define ASM_OUTPUT_DWARF_OFFSET(FILE,SIZE,LABEL,BASE) \ |
| darwin_asm_output_dwarf_offset (FILE, SIZE, LABEL, BASE) |
| |
| /* APPLE LOCAL 64-bit eric */ |
| /* remove ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX */ |
| |
| /* 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 |
| |
| /* APPLE LOCAL begin OS pragma hook */ |
| #define REGISTER_OS_PRAGMAS() \ |
| do { \ |
| /* APPLE LOCAL begin Macintosh alignment 2002-1-22 --ff */ \ |
| c_register_pragma (0, "pack", darwin_pragma_pack); \ |
| /* APPLE LOCAL end Macintosh alignment 2002-1-22 --ff */ \ |
| } while (0) |
| /* APPLE LOCAL end OS pragma hook */ |
| |
| #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false |
| |
| #define TARGET_ASM_INIT_SECTIONS darwin_init_sections |
| #undef TARGET_ASM_NAMED_SECTION |
| #define TARGET_ASM_NAMED_SECTION darwin_asm_named_section |
| |
| /* Handle pragma weak and pragma pack. */ |
| #define HANDLE_SYSV_PRAGMA 1 |
| |
| #define HANDLE_PRAGMA_PACK_PUSH_POP 1 |
| |
| /* LLVM LOCAL begin */ |
| #ifdef ENABLE_LLVM |
| /* Handle pragma pack separately */ |
| #define TARGET_OVERRIDE_PRAGMA_PACK_HANDLER 1 |
| #endif |
| /* LLVM LOCAL end */ |
| |
| #define DARWIN_REGISTER_TARGET_PRAGMAS() \ |
| do { \ |
| /* APPLE LOCAL begin pragma mark 5614511 */ \ |
| /* Removed mark. */ \ |
| /* APPLE LOCAL end pragma mark 5614511 */ \ |
| c_register_pragma (0, "options", darwin_pragma_options); \ |
| c_register_pragma (0, "segment", darwin_pragma_ignore); \ |
| /* APPLE LOCAL pragma fenv */ \ |
| c_register_pragma ("GCC", "fenv", darwin_pragma_fenv); \ |
| c_register_pragma (0, "unused", darwin_pragma_unused); \ |
| c_register_pragma (0, "ms_struct", darwin_pragma_ms_struct); \ |
| /* APPLE LOCAL begin pragma reverse_bitfields */ \ |
| c_register_pragma (0, "reverse_bitfields", \ |
| darwin_pragma_reverse_bitfields); \ |
| /* APPLE LOCAL end pragma reverse_bitfields */ \ |
| /* APPLE LOCAL begin optimization pragmas 3124235/3420242 */\ |
| c_register_pragma (0, "optimization_level", \ |
| darwin_pragma_opt_level); \ |
| c_register_pragma (0, "optimize_for_size", \ |
| darwin_pragma_opt_size); \ |
| c_register_pragma ("GCC", "optimization_level", \ |
| darwin_pragma_opt_level); \ |
| c_register_pragma ("GCC", "optimize_for_size", \ |
| darwin_pragma_opt_size); \ |
| /* APPLE LOCAL end optimization pragmas 3124235/3420242 */ \ |
| /* APPLE LOCAL begin too many changes confuse diff */ \ |
| } while (0) |
| /* APPLE LOCAL end too many changes confuse diff */ |
| |
| /* APPLE LOCAL begin insert assembly ".abort" directive on fatal error */ |
| #define EXIT_FROM_FATAL_DIAGNOSTIC(status) abort_assembly_and_exit (status) |
| extern void abort_assembly_and_exit (int status) ATTRIBUTE_NORETURN; |
| /* APPLE LOCAL end insert assembly ".abort" directive on fatal error */ |
| |
| /* APPLE LOCAL Macintosh alignment 2002-2-13 --ff */ |
| #define PEG_ALIGN_FOR_MAC68K(DESIRED) MIN ((DESIRED), 16) |
| |
| /* APPLE LOCAL begin KEXT double destructor */ |
| /* Need a mechanism to tell whether a C++ operator delete is empty so |
| we overload TREE_SIDE_EFFECTS here (it is unused for FUNCTION_DECLS.) |
| Fromage, c'est moi! */ |
| #define CHECK_TRIVIAL_FUNCTION(DECL) \ |
| do { \ |
| const char *_name = IDENTIFIER_POINTER (DECL_NAME (DECL)); \ |
| if (TARGET_KEXTABI && DECL_SAVED_TREE (DECL) \ |
| && strstr (_name, "operator delete") \ |
| && TREE_CODE (DECL_SAVED_TREE (DECL)) == COMPOUND_STMT \ |
| && compound_body_is_empty_p ( \ |
| COMPOUND_BODY (DECL_SAVED_TREE (DECL))))\ |
| TREE_SIDE_EFFECTS (DECL) = 1; \ |
| } while (0) |
| |
| /* gcc3 initialises the vptr field of all objects so that it points at the |
| first virtual function slot, NOT the base address of the vtable proper. |
| This is different from gcc2.95 which always initialised the vptr to |
| point at the base address of the vtable. The difference here is 8 bytes. |
| So, for 2.95 compatibility, we need to: |
| |
| (1) subtract 8 from the vptr initialiser, and |
| (2) add 2 to every vfunc index. (2 * 4 == 8.) |
| |
| This is getting ever cheesier. */ |
| |
| #define VPTR_INITIALIZER_ADJUSTMENT 8 |
| #define ADJUST_VTABLE_INDEX(IDX, VTBL) \ |
| do { \ |
| if (TARGET_KEXTABI == 1) \ |
| (IDX) = fold (build2 (PLUS_EXPR, TREE_TYPE (IDX), IDX, size_int (2))); \ |
| } while (0) |
| /* APPLE LOCAL end KEXT double destructor */ |
| |
| /* APPLE LOCAL begin zerofill 20020218 --turly */ |
| /* This keeps uninitialized data from bloating the data when -fno-common. |
| Radar 2863107. */ |
| #define ASM_OUTPUT_ZEROFILL(FILE, NAME, SECT, SIZE, ALIGNMENT) \ |
| do { \ |
| section *darwin_sect = SECT; \ |
| \ |
| unsigned HOST_WIDE_INT _new_size = SIZE; \ |
| if (_new_size == 0) _new_size = 1; \ |
| fputs (".zerofill ", (FILE)); \ |
| if (darwin_sect->common.flags & SECTION_NAMED) \ |
| { \ |
| fputs (darwin_sect->named.name, (FILE)); \ |
| fputs (", ", (FILE)); \ |
| } \ |
| else \ |
| fputs ("__DATA, __common, ", (FILE)); \ |
| assemble_name ((FILE), (NAME)); \ |
| fprintf ((FILE), ", " HOST_WIDE_INT_PRINT_DEC, _new_size); \ |
| fprintf ((FILE), ", " HOST_WIDE_INT_PRINT_DEC "\n", \ |
| (HOST_WIDE_INT) (ALIGNMENT)); \ |
| } while (0) |
| /* APPLE LOCAL end zerofill 20020218 --turly */ |
| |
| /* APPLE LOCAL begin CW asm blocks */ |
| #define IASM_SPECIAL_LABEL(ID) darwin_iasm_special_label (ID) |
| /* APPLE LOCAL end CW asm blocks */ |
| |
| #undef ASM_APP_ON |
| #define ASM_APP_ON "" |
| #undef ASM_APP_OFF |
| #define ASM_APP_OFF "" |
| |
| 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_OPTF add_framework_path |
| |
| #define TARGET_POSIX_IO |
| |
| /* All new versions of Darwin have C99 functions. */ |
| |
| #define TARGET_C99_FUNCTIONS 1 |
| |
| #define WINT_TYPE "int" |
| |
| /* APPLE LOCAL begin iframework for 4.3 4094959 */ |
| #define TARGET_HANDLE_C_OPTION(CODE, ARG, VALUE) \ |
| darwin_handle_c_option (CODE, ARG, VALUE) |
| /* APPLE LOCAL end iframework for 4.3 4094959 */ |
| |
| /* LLVM LOCAL begin */ |
| #ifdef ENABLE_LLVM |
| /* LLVM_IMPLICIT_TARGET_GLOBAL_VAR_SECTION - Given a VAR_DECL for a global |
| * variable, return a "const char*" that indicates which section to put it in if |
| * not the default. If the global should be put into the default section, |
| * return true. |
| * |
| * For darwin, we have to handle all of the funny objc sections here. Note that |
| * doing this by name is very ugly. |
| */ |
| #define LLVM_IMPLICIT_TARGET_GLOBAL_VAR_SECTION(decl) \ |
| (((DECL_NAME (decl) && \ |
| TREE_CODE (DECL_NAME (decl)) == IDENTIFIER_NODE && \ |
| IDENTIFIER_POINTER (DECL_NAME (decl)) && \ |
| (!strncmp (IDENTIFIER_POINTER (DECL_NAME (decl)), "_OBJC_", 6) || \ |
| !strncmp (IDENTIFIER_POINTER (DECL_NAME (decl)), "OBJC_", 5) || \ |
| !strncmp (IDENTIFIER_POINTER (DECL_NAME (decl)), "L_OBJC_", 7) || \ |
| !strncmp (IDENTIFIER_POINTER (DECL_NAME (decl)), "l_OBJC_", 7) || \ |
| !strncmp (IDENTIFIER_POINTER (DECL_NAME (decl)), "l_objc_", 7))) || \ |
| TREE_CODE(decl) == CONST_DECL) ? \ |
| darwin_objc_llvm_implicit_target_global_var_section(decl) : 0) |
| const char *darwin_objc_llvm_implicit_target_global_var_section(tree); |
| const char *darwin_objc_llvm_special_name_section(const char*); |
| |
| /* Darwin X86-64 only supports PIC code generation. */ |
| #if defined (TARGET_386) |
| #define LLVM_SET_TARGET_OPTIONS(argvec) \ |
| if ((TARGET_64BIT) || flag_pic) \ |
| argvec.push_back ("--relocation-model=pic"); \ |
| else if (!MACHO_DYNAMIC_NO_PIC_P) \ |
| argvec.push_back ("--relocation-model=static") |
| #else /* defined (TARGET_386) */ |
| #define LLVM_SET_TARGET_OPTIONS(argvec) \ |
| if (flag_pic) \ |
| argvec.push_back ("--relocation-model=pic"); \ |
| else if (!MACHO_DYNAMIC_NO_PIC_P) \ |
| argvec.push_back ("--relocation-model=static") |
| #endif /* defined (TARGET_386) */ |
| |
| /* On Darwin _Unwind_Resume is sensitive to the dynamic stack layout; we |
| use _Unwind_Resume_or_Rethrow instead. */ |
| #define LLVM_STACKSENSITIVE_UNWIND_RESUME 1 |
| #endif |
| /* LLVM LOCAL end */ |
| |
| /* APPLE LOCAL begin isysroot 5083137 */ |
| /* Allow -sysroot to select a target system SDK. */ |
| #define GCC_DRIVER_HOST_INITIALIZATION1 \ |
| do { \ |
| int i; \ |
| for (i = 0; i < argc; ++i) \ |
| { \ |
| if (strcmp (argv[i], "-isysroot") == 0) \ |
| { \ |
| if (argv[i][9]) \ |
| target_system_root = &argv[i][9]; \ |
| else if (i + 1 < argc) \ |
| { \ |
| target_system_root = argv[i+1]; \ |
| ++i; \ |
| } \ |
| } \ |
| } \ |
| } while (0) |
| |
| #define SYSROOT_PRIORITY PREFIX_PRIORITY_FIRST |
| /* APPLE LOCAL end isysroot 5083137 */ |
| |
| /* Every program on darwin links against libSystem which contains the pthread |
| routines, so there's no need to explicitly call out when doing threaded |
| work. */ |
| |
| #undef GOMP_SELF_SPECS |
| #define GOMP_SELF_SPECS "" |
| |
| /* Darwin can't support anchors until we can cope with the adjustments |
| to size that ASM_DECLARE_OBJECT_NAME and ASM_DECLARE_CONSTANT_NAME |
| when outputting members of an anchor block and the linker can be |
| taught to keep them together or we find some other suitable |
| code-gen technique. */ |
| |
| #if 0 |
| #define TARGET_ASM_OUTPUT_ANCHOR darwin_asm_output_anchor |
| #else |
| #define TARGET_ASM_OUTPUT_ANCHOR NULL |
| #endif |
| |
| /* Attempt to turn on execute permission for the stack. This may be |
| used by INITIALIZE_TRAMPOLINE of the target needs it (that is, |
| if the target machine can change execute permissions on a page). |
| |
| There is no way to query the execute permission of the stack, so |
| we always issue the mprotect() call. |
| |
| Unfortunately it is not possible to make this namespace-clean. |
| |
| Also note that no errors should be emitted by this code; it is |
| considered dangerous for library calls to send messages to |
| stdout/stderr. */ |
| |
| #define ENABLE_EXECUTE_STACK \ |
| extern void __enable_execute_stack (void *); \ |
| void \ |
| __enable_execute_stack (void *addr) \ |
| { \ |
| extern int mprotect (void *, size_t, int); \ |
| extern int getpagesize (void); \ |
| static int size; \ |
| static long mask; \ |
| \ |
| char *page, *end; \ |
| \ |
| if (size == 0) \ |
| { \ |
| size = getpagesize(); \ |
| mask = ~((long) size - 1); \ |
| } \ |
| \ |
| page = (char *) (((long) addr) & mask); \ |
| end = (char *) ((((long) (addr + (TARGET_64BIT ? 48 : 40))) & mask) + size); \ |
| \ |
| /* 7 == PROT_READ | PROT_WRITE | PROT_EXEC */ \ |
| (void) mprotect (page, end - page, 7); \ |
| } |
| |
| /* For Apple KEXTs, we make the constructors return this to match gcc |
| 2.95. */ |
| #define TARGET_CXX_CDTOR_RETURNS_THIS (darwin_kextabi_p) |
| extern int flag_mkernel; |
| extern int flag_apple_kext; |
| #define TARGET_KEXTABI flag_apple_kext |
| |
| /* APPLE LOCAL begin radar 4985544 - radar 5096648 */ |
| #define CHECK_FORMAT_CFSTRING(ARG,NUM,ATTR) objc_check_format_cfstring (ARG,NUM,ATTR) |
| #define CFSTRING_TYPE_NODE(T) darwin_cfstring_type_node (T) |
| /* APPLE LOCAL end radar 4985544 - radar 5096648 */ |
| /* APPLE LOCAL radar 5195402 */ |
| #define CFSTRING_TYPE_CHECK(T) objc_check_cfstringref_type (T) |
| |
| /* APPLE LOCAL begin mainline 2007-06-14 5235474 */ |
| #ifndef CROSS_DIRECTORY_STRUCTURE |
| /* APPLE LOCAL begin ARM 5683689 */ |
| extern void darwin_default_min_version (int * argc, char *** argv, |
| enum darwin_version_type vers_type); |
| #define GCC_DRIVER_HOST_INITIALIZATION \ |
| /* APPLE LOCAL isysroot 5083137 */ \ |
| GCC_DRIVER_HOST_INITIALIZATION1; \ |
| darwin_default_min_version (&argc, &argv, DARWIN_DEFAULT_VERSION_TYPE) |
| /* APPLE LOCAL end ARM 5683689 */ |
| #endif /* CROSS_DIRECTORY_STRUCTURE */ |
| /* APPLE LOCAL end mainline 2007-06-14 5235474 */ |
| |
| /* LLVM LOCAL begin sysroot */ |
| char *darwin_build_sysroot_path(const char *sysroot, const char *path); |
| #undef TARGET_BUILD_SYSROOT_PATH |
| #define TARGET_BUILD_SYSROOT_PATH(S,P) darwin_build_sysroot_path((S), (P)) |
| /* LLVM LOCAL end sysroot */ |
| |
| /* APPLE LOCAL begin radar 6230142 */ |
| /* libgcc2 is strict c90; bool doesn't work. */ |
| extern unsigned darwin_llvm_override_target_version(const char*, char**); |
| #define LLVM_OVERRIDE_TARGET_VERSION(T,N) \ |
| darwin_llvm_override_target_version(T,N) |
| /* APPLE LOCAL end radar 6230142 */ |
| |
| /* LLVM LOCAL begin */ |
| #ifdef WARN_FORMAT_INIT |
| #undef WARN_FORMAT_INIT |
| #endif |
| #define WARN_FORMAT_INIT 1 |
| |
| #ifdef WARN_FORMAT_SECURITY_INIT |
| #undef WARN_FORMAT_SECURITY_INIT |
| #endif |
| #define WARN_FORMAT_SECURITY_INIT 1 |
| /* LLVM LOCAL end */ |
| |
| #endif /* CONFIG_DARWIN_H */ |
