/* Target definitions for Darwin (Mac OS X) systems.
Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004,
- 2005
+ 2005, 2006, 2007
Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
#define OBJECT_FORMAT_MACHO
+/* Don't assume anything about the header files. */
+#define NO_IMPLICIT_EXTERN_C
+
/* Suppress g++ attempt to link in the math library automatically. */
#define MATH_LIBRARY ""
{ "-segs_read_write_addr", "-Zsegs_read_write_addr" }, \
{ "-seg_addr_table", "-Zseg_addr_table" }, \
{ "-seg_addr_table_filename", "-Zfn_seg_addr_table_filename" }, \
+ { "-umbrella", "-Zumbrella" }, \
{ "-fapple-kext", "-fapple-kext -static -Wa,-static" }, \
{ "-filelist", "-Xlinker -filelist -Xlinker" }, \
{ "-findirect-virtual-calls", "-fapple-kext" }, \
{ "-multiply_defined", "-Zmultiply_defined" }, \
{ "-multi_module", "-Zmulti_module" }, \
{ "-static", "-static -Wa,-static" }, \
+ { "-shared", "-Zdynamiclib" }, \
{ "-single_module", "-Zsingle_module" }, \
{ "-unexported_symbols_list", "-Zunexported_symbols_list" }, \
SUBTARGET_OPTION_TRANSLATE_TABLE
!strcmp (STR, "segprot") ? 3 : \
!strcmp (STR, "sub_library") ? 1 : \
!strcmp (STR, "sub_umbrella") ? 1 : \
- !strcmp (STR, "umbrella") ? 1 : \
+ !strcmp (STR, "Zumbrella") ? 1 : \
!strcmp (STR, "undefined") ? 1 : \
!strcmp (STR, "Zunexported_symbols_list") ? 1 : \
!strcmp (STR, "Zweak_reference_mismatches") ? 1 : \
them to darwin_cpp_builtins in darwin-c.c. */
#undef CPP_SPEC
-#define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}"
+#define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}" \
+ " %{pthread:-D_REENTRANT}"
/* This is mostly a clone of the standard LINK_COMMAND_SPEC, plus
precomp, libtool, and fat build additions. Also we
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}} \
+%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
+ %(linker) %l %X %{d} %{s} %{t} %{Z} %{u*} \
+ %{A} %{e*} %{m} %{r} %{x} \
+ %{o*}%{!o:-o a.out} \
%{!A:%{!nostdlib:%{!nostartfiles:%S}}} \
%{L*} %{fopenmp:%:include(libgomp.spec)%(link_gomp)} \
%(link_libgcc) %o %{fprofile-arcs|fprofile-generate|coverage:-lgcov} \
%{!nostdlib:%{!nodefaultlibs:%(link_ssp) %G %L}} \
- %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}}"
+ %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}\n\
+%{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
+ %{.c|.cc|.C|.cpp|.c++|.cxx|.CPP|.m|.mm: \
+ %{gdwarf-2:%{!gstabs*:%{!g0: dsymutil %{o*:%*}%{!o:a.out}}}}}}}}}}}}"
#ifdef TARGET_SYSTEM_ROOT
#define LINK_SYSROOT_SPEC \
#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. */
+ 'Z' and 'no' prefixes). 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} \
%{fgnu-runtime:%:replace-outfile(-lobjc -lobjc-gnu)}\
%{keep_private_externs} \
%{private_bundle} \
} \
- %{Zdynamiclib: \
+ %{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*} \
- %{current_version*} \
- %{Zforce_cpusubtype_ALL:-arch_only %(darwin_arch)} \
- %{!Zforce_cpusubtype_ALL: -arch_only %(darwin_subarch)} \
+ %{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*:-install_name %*} \
+ %{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}%{Zdynamiclib:%{!Zall_load:-noall_load}} \
+ %{Zall_load:-all_load} \
%{Zallowable_client*:-allowable_client %*} \
%{Zbind_at_load:-bind_at_load} \
%{Zarch_errors_fatal:-arch_errors_fatal} \
%{headerpad_max_install_names*} \
%{Zimage_base*:-image_base %*} \
%{Zinit*:-init %*} \
+ %{!mmacosx-version-min=*:-macosx_version_min %(darwin_minversion)} \
%{mmacosx-version-min=*:-macosx_version_min %*} \
- %{!mmacosx-version-min=*:%{shared-libgcc:-macosx_version_min 10.3}} \
%{nomultidefs} \
%{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \
%{Zmultiply_defined*:-multiply_defined %*} \
%{sub_library*} %{sub_umbrella*} \
" LINK_SYSROOT_SPEC " \
%{twolevel_namespace} %{twolevel_namespace_hints} \
- %{umbrella*} \
+ %{Zumbrella*: -umbrella %*} \
%{undefined*} \
%{Zunexported_symbols_list*:-unexported_symbols_list %*} \
%{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \
#undef REAL_LIBGCC_SPEC
#define REAL_LIBGCC_SPEC \
"%{static-libgcc|static: -lgcc_eh -lgcc; \
- shared-libgcc|fexceptions: \
+ shared-libgcc|fexceptions|fgnu-runtime: \
%:version-compare(!> 10.5 mmacosx-version-min= -lgcc_s.10.4) \
%:version-compare(>= 10.5 mmacosx-version-min= -lgcc_s.10.5) \
-lgcc; \
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
- "%{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o}} \
+ "%{Zdynamiclib: %(darwin_dylib1) } \
+ %{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o}} \
%{!Zbundle:%{pg:%{static:-lgcrt0.o} \
%{!static:%{object:-lgcrt0.o} \
%{!object:%{preload:-lgcrt0.o} \
%{!pg:%{static:-lcrt0.o} \
%{!static:%{object:-lcrt0.o} \
%{!object:%{preload:-lcrt0.o} \
- %{!preload:-lcrt1.o %(darwin_crt2)}}}}}} \
+ %{!preload: %(darwin_crt1) \
+ %(darwin_crt2)}}}}}} \
%{shared-libgcc:%:version-compare(< 10.5 mmacosx-version-min= crt3.o%s)}"
/* The native Darwin linker doesn't necessarily place files in the order
to put anything in ENDFILE_SPEC. */
/* #define ENDFILE_SPEC "" */
+#define DARWIN_EXTRA_SPECS \
+ { "darwin_crt1", DARWIN_CRT1_SPEC }, \
+ { "darwin_dylib1", DARWIN_DYLIB1_SPEC }, \
+ { "darwin_minversion", DARWIN_MINVERSION_SPEC },
+
+#define DARWIN_DYLIB1_SPEC \
+ "%:version-compare(!> 10.5 mmacosx-version-min= -ldylib1.o) \
+ %:version-compare(>= 10.5 mmacosx-version-min= -ldylib1.10.5.o)"
+
+#define DARWIN_CRT1_SPEC \
+ "%:version-compare(!> 10.5 mmacosx-version-min= -lcrt1.o) \
+ %:version-compare(>= 10.5 mmacosx-version-min= -lcrt1.10.5.o)"
+
/* Default Darwin ASM_SPEC, very simple. */
#define ASM_SPEC "-arch %(darwin_arch) \
%{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL}"
-/* We use Dbx symbol format. */
+/* We still allow output of STABS. */
#define DBX_DEBUGGING_INFO 1
-/* Also enable Dwarf 2 as an option. */
#define DWARF2_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_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"
+#define DEBUG_PUBTYPES_SECTION "__DWARF,__debug_pubtypes,regular,debug"
#define DEBUG_STR_SECTION "__DWARF,__debug_str,regular,debug"
#define DEBUG_RANGES_SECTION "__DWARF,__debug_ranges,regular,debug"
with names, so it's safe to make the class data not comdat. */
#define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_false
+/* 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
+
/* We make exception information linkonce. */
#undef TARGET_USES_WEAK_UNWIND_INFO
#define TARGET_USES_WEAK_UNWIND_INFO 1
} \
} while (0)
-/* The maximum alignment which the object file format can support.
- For Mach-O, this is 2^15. */
+/* 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
+#define MAX_OFILE_ALIGNMENT (0x8000 * 8)
/* Declare the section variables. */
#ifndef USED_FOR_TARGET
#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
#define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \
extern int flag_apple_kext;
#define TARGET_KEXTABI flag_apple_kext
+#define TARGET_HAS_TARGETCM 1
+
#endif /* CONFIG_DARWIN_H */
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