/* Target definitions for Darwin (Mac OS X) systems.
- Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002
+ 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 GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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
/* Although NeXT ran on many different architectures, as of Jan 2001
the only supported Darwin targets are PowerPC and x86. */
-/* Technically, STANDARD_EXEC_PREFIX should be /usr/libexec/, but in
- practice this makes it hard to install new compilers elsewhere, so
- 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.) */
-
+/* Suppress g++ attempt to link in the math library automatically. */
#define MATH_LIBRARY ""
/* We have atexit. */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
-/* Machine dependent cpp options. */
+/* 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. */
+
+#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", "-Zseg_addr_table_filename" }, \
+ { "-filelist", "-Xlinker -filelist -Xlinker" }, \
+ { "-framework", "-Xlinker -framework -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" }, \
+ SUBTARGET_OPTION_TRANSLATE_TABLE
+
+/* 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, "Zsegaddr") ? 2 : \
+ !strcmp (STR, "Zsegs_read_only_addr") ? 1 : \
+ !strcmp (STR, "Zsegs_read_write_addr") ? 1 : \
+ !strcmp (STR, "Zseg_addr_table") ? 1 : \
+ !strcmp (STR, "Zseg_addr_table_filename") ?1 :\
+ !strcmp (STR, "seg1addr") ? 1 : \
+ !strcmp (STR, "segprot") ? 3 : \
+ !strcmp (STR, "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. __APPLE_CC__ is defined as the
+ Apple include files expect it to be defined and won't work if it
+ isn't. */
#undef CPP_SPEC
-#define CPP_SPEC "%{static:-D__STATIC__}%{!static:-D__DYNAMIC__}"
-
-/* Machine dependent libraries. */
-
-#undef LIB_SPEC
+#define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}\
+ -D__APPLE_CC__=1"
+
+/* 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 %{fprofile-arcs|fprofile-generate|coverage:-lgcov} \
+ %{!nostdlib:%{!nodefaultlibs:%G %L}} \
+ %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}}"
+
+/* 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} \
+ %{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: \
+ %{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)} \
+ %{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} \
+ %{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 %*} \
+ %{nomultidefs} \
+ %{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \
+ %{Zmultiply_defined*:-multiply_defined %*} \
+ %{Zmultiplydefinedunused*:-multiply_defined_unused %*} \
+ %{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 %*} \
+ %{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 %*} \
+ %{!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} "
+
+
+/* Machine dependent libraries but do not redefine it if we already on 7.0 and
+ above as it needs to link with libmx also. */
+
+#ifndef LIB_SPEC
#define LIB_SPEC "%{!static:-lSystem}"
+#endif
-/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{pg:%{static:-lgcrt0.o}%{!static:-lgcrt1.o -lcrtbegin.o}} \
- %{!pg:%{static:-lcrt0.o}%{!static:-lcrt1.o -lcrtbegin.o}}"
+/* -dynamiclib implies -shared-libgcc just like -shared would on linux. */
+#define REAL_LIBGCC_SPEC \
+ "%{static|static-libgcc:-lgcc -lgcc_eh}\
+ %{!static:%{!static-libgcc:\
+ %{!Zdynamiclib:%{!shared-libgcc:-lgcc -lgcc_eh}\
+ %{shared-libgcc:-lgcc_s -lgcc}} %{Zdynamiclib:-lgcc_s -lgcc}}}"
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC \
- "-lcrtend.o"
+/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
+/* We don't want anything to do with crt2.o in the 64-bit case;
+ testing the PowerPC-specific -m64 flag here is a little irregular,
+ but it's overkill to make copies of this spec for each target
+ arch. */
-#undef DOLLARS_IN_IDENTIFIERS
-#define DOLLARS_IN_IDENTIFIERS 2
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o}} \
+ %{!Zbundle:%{pg:%{static:-lgcrt0.o} \
+ %{!static:%{object:-lgcrt0.o} \
+ %{!object:%{preload:-lgcrt0.o} \
+ %{!preload:-lgcrt1.o %{!m64: crt2.o%s}}}}} \
+ %{!pg:%{static:-lcrt0.o} \
+ %{!static:%{object:-lcrt0.o} \
+ %{!object:%{preload:-lcrt0.o} \
+ %{!preload:-lcrt1.o %{!m64: crt2.o%s}}}}}}}"
+
+/* The native Darwin linker doesn't necessarily place files in the order
+ that they're specified on the link line. Thus, it is pointless
+ to put anything in ENDFILE_SPEC. */
+/* #define ENDFILE_SPEC "" */
+
+/* Default Darwin ASM_SPEC, very simple. */
+#define ASM_SPEC "-arch %(darwin_arch) \
+ %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL}"
/* We use Dbx symbol format. */
#define DBX_DEBUGGING_INFO 1
+/* Also enable Dwarf 2 as an option. */
+#define DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#define DEBUG_FRAME_SECTION "__DWARFA,__debug_frame,coalesced,no_toc+strip_static_syms"
+#define DEBUG_INFO_SECTION "__DWARFA,__debug_info"
+#define DEBUG_ABBREV_SECTION "__DWARFA,__debug_abbrev"
+#define DEBUG_ARANGES_SECTION "__DWARFA,__debug_aranges"
+#define DEBUG_MACINFO_SECTION "__DWARFA,__debug_macinfo"
+#define DEBUG_LINE_SECTION "__DWARFA,__debug_line"
+#define DEBUG_LOC_SECTION "__DWARFA,__debug_loc"
+#define DEBUG_PUBNAMES_SECTION "__DWARFA,__debug_pubnames"
+#define DEBUG_STR_SECTION "__DWARFA,__debug_str"
+#define DEBUG_RANGES_SECTION "__DWARFA,__debug_ranges"
+
/* When generating stabs debugging, use N_BINCL entries. */
#define DBX_USE_BINCL
#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. */
+
+#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)
+
+/* 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
-#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
-#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
-do { text_section (); \
- fprintf (FILE, \
- "\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", "" , N_SO); \
- } while (0)
+/* 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
+
+/* 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. */
+#undef FRAME_BEGIN_LABEL
+#define FRAME_BEGIN_LABEL "EH_frame"
+
+/* 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
/* Our profiling scheme doesn't LP labels and counter words. */
-#define NO_PROFILE_COUNTERS
+#define NO_PROFILE_COUNTERS 1
#undef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP
#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 ASM_FILE_START
-#define ASM_FILE_START(FILE)
-
-#undef ASM_FILE_END
-#define ASM_FILE_END(FILE) \
- do { \
- machopic_finish (asm_out_file); \
- if (strcmp (lang_hooks.name, "GNU C++") == 0) \
- { \
- constructor_section (); \
- destructor_section (); \
- ASM_OUTPUT_ALIGN (FILE, 1); \
- } \
- } while (0)
+#undef TARGET_ASM_FILE_END
+#define TARGET_ASM_FILE_END darwin_file_end
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\t.space %d\n", SIZE)
+ fprintf (FILE, "\t.space "HOST_WIDE_INT_PRINT_UNSIGNED"\n", SIZE)
-/* Give ObjC methods pretty symbol names. */
+/* 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) \
/* 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_name calls are telling the machopic subsystem
+ 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 ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL)) \
- machopic_define_name (xname); \
- if ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL)) \
- (* targetm.encode_section_info) (DECL, false); \
- ASM_OUTPUT_LABEL (FILE, xname); \
+ 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)
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
do { \
- const char *xname = NAME; \
- if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \
- xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \
- if ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (DECL)) \
- machopic_define_name (xname); \
- if ((TREE_STATIC (DECL) \
- && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
- || DECL_INITIAL (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. */ \
- machopic_output_possible_stub_label (FILE, xname); \
+ 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); \
+ } 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.
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME) \
do { \
- const char *xname = darwin_strip_name_encoding (NAME); \
- if (xname[0] == '&' || xname[0] == '*') \
+ 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 ("$stub", xname + len - 5)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 1); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
else if (len > 7 && !strcmp ("$stub\"", xname + len - 6)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 1); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \
- machopic_validate_stub_or_non_lazy_ptr (xname, 0); \
- fputs (&xname[1], FILE); \
+ machopic_validate_stub_or_non_lazy_ptr (xname); \
+ else if (len > 15 && !strcmp ("$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); \
fprintf (FILE, "L%s", xname); \
else if (!strncmp (xname, ".objc_class_name_", 17)) \
fprintf (FILE, "%s", xname); \
+ else if (xname[0] != '"' && name_needs_quotes (xname)) \
+ fprintf (FILE, "\"%s\"", xname); \
else \
- fprintf (FILE, "_%s", xname); \
+ asm_fprintf (FILE, "%U%s", xname); \
} while (0)
/* Output before executable code. */
#undef TEXT_SECTION_ASM_OP
-#define TEXT_SECTION_ASM_OP ".text"
+#define TEXT_SECTION_ASM_OP "\t.text"
/* Output before writable data. */
#undef DATA_SECTION_ASM_OP
-#define DATA_SECTION_ASM_OP ".data"
+#define DATA_SECTION_ASM_OP "\t.data"
#undef ALIGN_ASM_OP
#define ALIGN_ASM_OP ".align"
/* Ensure correct alignment of bss data. */
-#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
+#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
+ unsigned HOST_WIDE_INT _new_size = SIZE; \
fputs (".lcomm ", (FILE)); \
assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u,%u\n", (SIZE), \
+ if (_new_size == 0) _new_size = 1; \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", _new_size, \
floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
if ((DECL) && ((TREE_STATIC (DECL) \
&& (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
|| 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); \
+ { \
+ (* 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.
#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) \
-extern void FUNCTION PARAMS ((void)); \
+extern void FUNCTION (void); \
void \
-FUNCTION () \
+FUNCTION (void) \
{ \
if (in_section != SECTION) \
{ \
if (OBJC) \
objc_section_init (); \
- data_section (); \
if (asm_out_file) \
- fprintf (asm_out_file, "%s\n", DIRECTIVE); \
+ fputs ("\t" DIRECTIVE "\n", asm_out_file); \
in_section = SECTION; \
+ if ((SECTION == in_text_coal) \
+ || (SECTION == in_text_unlikely) \
+ || (SECTION == in_text_unlikely_coal)) \
+ last_text_section = SECTION; \
} \
} \
/* Darwin uses many types of special sections. */
#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS \
+#define EXTRA_SECTIONS \
+ in_text_coal, in_text_unlikely, in_text_unlikely_coal, \
in_const, in_const_data, in_cstring, in_literal4, in_literal8, \
+ in_const_coal, in_const_data_coal, in_data_coal, \
in_constructor, in_destructor, in_mod_init, in_mod_term, \
- in_objc_class, in_objc_meta_class, in_objc_category, \
- in_objc_class_vars, in_objc_instance_vars, \
- in_objc_cls_meth, in_objc_inst_meth, \
- in_objc_cat_cls_meth, in_objc_cat_inst_meth, \
- in_objc_selector_refs, \
- in_objc_selector_fixup, \
- in_objc_symbols, in_objc_module_info, \
- in_objc_protocol, in_objc_string_object, \
- in_objc_constant_string_object, \
- in_objc_class_names, in_objc_meth_var_names, \
- in_objc_meth_var_types, in_objc_cls_refs, \
- in_machopic_nl_symbol_ptr, \
- in_machopic_lazy_symbol_ptr, \
- in_machopic_symbol_stub, \
- in_machopic_picsymbol_stub, \
- in_darwin_exception, in_darwin_eh_frame, \
+ in_objc_class, in_objc_meta_class, in_objc_category, \
+ in_objc_class_vars, in_objc_instance_vars, \
+ in_objc_cls_meth, in_objc_inst_meth, \
+ in_objc_cat_cls_meth, in_objc_cat_inst_meth, \
+ in_objc_selector_refs, \
+ in_objc_selector_fixup, \
+ in_objc_symbols, in_objc_module_info, \
+ in_objc_protocol, in_objc_string_object, \
+ in_objc_constant_string_object, \
+ in_objc_image_info, \
+ in_objc_class_names, in_objc_meth_var_names, \
+ in_objc_meth_var_types, in_objc_cls_refs, \
+ in_machopic_nl_symbol_ptr, \
+ in_machopic_lazy_symbol_ptr, \
+ in_machopic_symbol_stub, \
+ in_machopic_symbol_stub1, \
+ in_machopic_picsymbol_stub, \
+ in_machopic_picsymbol_stub1, \
+ in_darwin_exception, in_darwin_eh_frame, \
num_sections
#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
-static void objc_section_init PARAMS ((void)); \
-SECTION_FUNCTION (const_section, \
- in_const, \
- ".const", 0) \
-SECTION_FUNCTION (const_data_section, \
- in_const_data, \
- ".const_data", 0) \
-SECTION_FUNCTION (cstring_section, \
- in_cstring, \
- ".cstring", 0) \
-SECTION_FUNCTION (literal4_section, \
- in_literal4, \
- ".literal4", 0) \
-SECTION_FUNCTION (literal8_section, \
- in_literal8, \
- ".literal8", 0) \
-SECTION_FUNCTION (constructor_section, \
- in_constructor, \
- ".constructor", 0) \
-SECTION_FUNCTION (mod_init_section, \
- in_mod_init, \
- ".mod_init_func", 0) \
-SECTION_FUNCTION (mod_term_section, \
- in_mod_term, \
- ".mod_term_func", 0) \
-SECTION_FUNCTION (destructor_section, \
- in_destructor, \
- ".destructor", 0) \
-SECTION_FUNCTION (objc_class_section, \
- in_objc_class, \
- ".objc_class", 1) \
-SECTION_FUNCTION (objc_meta_class_section, \
- in_objc_meta_class, \
- ".objc_meta_class", 1) \
-SECTION_FUNCTION (objc_category_section, \
- in_objc_category, \
- ".objc_category", 1) \
-SECTION_FUNCTION (objc_class_vars_section, \
- in_objc_class_vars, \
- ".objc_class_vars", 1) \
-SECTION_FUNCTION (objc_instance_vars_section, \
- in_objc_instance_vars, \
- ".objc_instance_vars", 1) \
-SECTION_FUNCTION (objc_cls_meth_section, \
- in_objc_cls_meth, \
- ".objc_cls_meth", 1) \
-SECTION_FUNCTION (objc_inst_meth_section, \
- in_objc_inst_meth, \
- ".objc_inst_meth", 1) \
-SECTION_FUNCTION (objc_cat_cls_meth_section, \
- in_objc_cat_cls_meth, \
- ".objc_cat_cls_meth", 1) \
-SECTION_FUNCTION (objc_cat_inst_meth_section, \
- in_objc_cat_inst_meth, \
- ".objc_cat_inst_meth", 1) \
-SECTION_FUNCTION (objc_selector_refs_section, \
- in_objc_selector_refs, \
- ".objc_message_refs", 1) \
-SECTION_FUNCTION (objc_selector_fixup_section, \
- in_objc_selector_fixup, \
- ".section __OBJC, __sel_fixup", 1) \
-SECTION_FUNCTION (objc_symbols_section, \
- in_objc_symbols, \
- ".objc_symbols", 1) \
-SECTION_FUNCTION (objc_module_info_section, \
- in_objc_module_info, \
- ".objc_module_info", 1) \
-SECTION_FUNCTION (objc_protocol_section, \
- in_objc_protocol, \
- ".objc_protocol", 1) \
-SECTION_FUNCTION (objc_string_object_section, \
- in_objc_string_object, \
- ".objc_string_object", 1) \
-SECTION_FUNCTION (objc_constant_string_object_section, \
- in_objc_constant_string_object, \
- ".section __OBJC, __cstring_object", 1) \
-SECTION_FUNCTION (objc_class_names_section, \
- in_objc_class_names, \
- ".objc_class_names", 1) \
-SECTION_FUNCTION (objc_meth_var_names_section, \
- in_objc_meth_var_names, \
- ".objc_meth_var_names", 1) \
-SECTION_FUNCTION (objc_meth_var_types_section, \
- in_objc_meth_var_types, \
- ".objc_meth_var_types", 1) \
-SECTION_FUNCTION (objc_cls_refs_section, \
- in_objc_cls_refs, \
- ".objc_cls_refs", 1) \
- \
-SECTION_FUNCTION (machopic_lazy_symbol_ptr_section, \
- in_machopic_lazy_symbol_ptr, \
- ".lazy_symbol_pointer", 0) \
-SECTION_FUNCTION (machopic_nl_symbol_ptr_section, \
- in_machopic_nl_symbol_ptr, \
- ".non_lazy_symbol_pointer", 0) \
-SECTION_FUNCTION (machopic_symbol_stub_section, \
- in_machopic_symbol_stub, \
- ".symbol_stub", 0) \
-SECTION_FUNCTION (machopic_picsymbol_stub_section, \
- in_machopic_picsymbol_stub, \
- ".picsymbol_stub", 0) \
-SECTION_FUNCTION (darwin_exception_section, \
- in_darwin_exception, \
- ".section __DATA,__gcc_except_tab", 0) \
-SECTION_FUNCTION (darwin_eh_frame_section, \
- in_darwin_eh_frame, \
- ".section __TEXT,__eh_frame", 0) \
- \
+#define EXTRA_SECTION_FUNCTIONS \
+static void objc_section_init (void); \
+SECTION_FUNCTION (text_coal_section, \
+ in_text_coal, \
+ ".section __TEXT,__textcoal_nt,coalesced," \
+ "pure_instructions", 0) \
+SECTION_FUNCTION (text_unlikely_coal_section, \
+ in_text_unlikely_coal, \
+ ".section __TEXT,__text_unlikely_coal," \
+ "coalesced,pure_instructions", 0) \
+SECTION_FUNCTION (const_section, \
+ in_const, \
+ ".const", 0) \
+SECTION_FUNCTION (const_coal_section, \
+ in_const_coal, \
+ ".section __TEXT,__const_coal,coalesced", 0) \
+SECTION_FUNCTION (const_data_section, \
+ in_const_data, \
+ ".const_data", 0) \
+SECTION_FUNCTION (const_data_coal_section, \
+ in_const_data_coal, \
+ ".section __DATA,__const_coal,coalesced", 0) \
+SECTION_FUNCTION (data_coal_section, \
+ in_data_coal, \
+ ".section __DATA,__datacoal_nt,coalesced", 0) \
+SECTION_FUNCTION (cstring_section, \
+ in_cstring, \
+ ".cstring", 0) \
+SECTION_FUNCTION (literal4_section, \
+ in_literal4, \
+ ".literal4", 0) \
+SECTION_FUNCTION (literal8_section, \
+ in_literal8, \
+ ".literal8", 0) \
+SECTION_FUNCTION (constructor_section, \
+ in_constructor, \
+ ".constructor", 0) \
+SECTION_FUNCTION (mod_init_section, \
+ in_mod_init, \
+ ".mod_init_func", 0) \
+SECTION_FUNCTION (mod_term_section, \
+ in_mod_term, \
+ ".mod_term_func", 0) \
+SECTION_FUNCTION (destructor_section, \
+ in_destructor, \
+ ".destructor", 0) \
+SECTION_FUNCTION (objc_class_section, \
+ in_objc_class, \
+ ".objc_class", 1) \
+SECTION_FUNCTION (objc_meta_class_section, \
+ in_objc_meta_class, \
+ ".objc_meta_class", 1) \
+SECTION_FUNCTION (objc_category_section, \
+ in_objc_category, \
+ ".objc_category", 1) \
+SECTION_FUNCTION (objc_class_vars_section, \
+ in_objc_class_vars, \
+ ".objc_class_vars", 1) \
+SECTION_FUNCTION (objc_instance_vars_section, \
+ in_objc_instance_vars, \
+ ".objc_instance_vars", 1) \
+SECTION_FUNCTION (objc_cls_meth_section, \
+ in_objc_cls_meth, \
+ ".objc_cls_meth", 1) \
+SECTION_FUNCTION (objc_inst_meth_section, \
+ in_objc_inst_meth, \
+ ".objc_inst_meth", 1) \
+SECTION_FUNCTION (objc_cat_cls_meth_section, \
+ in_objc_cat_cls_meth, \
+ ".objc_cat_cls_meth", 1) \
+SECTION_FUNCTION (objc_cat_inst_meth_section, \
+ in_objc_cat_inst_meth, \
+ ".objc_cat_inst_meth", 1) \
+SECTION_FUNCTION (objc_selector_refs_section, \
+ in_objc_selector_refs, \
+ ".objc_message_refs", 1) \
+SECTION_FUNCTION (objc_selector_fixup_section, \
+ in_objc_selector_fixup, \
+ ".section __OBJC, __sel_fixup, regular, no_dead_strip", 1) \
+SECTION_FUNCTION (objc_symbols_section, \
+ in_objc_symbols, \
+ ".objc_symbols", 1) \
+SECTION_FUNCTION (objc_module_info_section, \
+ in_objc_module_info, \
+ ".objc_module_info", 1) \
+SECTION_FUNCTION (objc_protocol_section, \
+ in_objc_protocol, \
+ ".objc_protocol", 1) \
+SECTION_FUNCTION (objc_string_object_section, \
+ in_objc_string_object, \
+ ".objc_string_object", 1) \
+SECTION_FUNCTION (objc_constant_string_object_section, \
+ in_objc_constant_string_object, \
+ ".section __OBJC, __cstring_object, regular, " \
+ "no_dead_strip", 1) \
+/* Fix-and-Continue image marker. */ \
+SECTION_FUNCTION (objc_image_info_section, \
+ in_objc_image_info, \
+ ".section __OBJC, __image_info, regular, " \
+ "no_dead_strip", 1) \
+SECTION_FUNCTION (objc_class_names_section, \
+ in_objc_class_names, \
+ ".objc_class_names", 1) \
+SECTION_FUNCTION (objc_meth_var_names_section, \
+ in_objc_meth_var_names, \
+ ".objc_meth_var_names", 1) \
+SECTION_FUNCTION (objc_meth_var_types_section, \
+ in_objc_meth_var_types, \
+ ".objc_meth_var_types", 1) \
+SECTION_FUNCTION (objc_cls_refs_section, \
+ in_objc_cls_refs, \
+ ".objc_cls_refs", 1) \
+\
+SECTION_FUNCTION (machopic_lazy_symbol_ptr_section, \
+ in_machopic_lazy_symbol_ptr, \
+ ".lazy_symbol_pointer", 0) \
+SECTION_FUNCTION (machopic_nl_symbol_ptr_section, \
+ in_machopic_nl_symbol_ptr, \
+ ".non_lazy_symbol_pointer", 0) \
+SECTION_FUNCTION (machopic_symbol_stub_section, \
+ in_machopic_symbol_stub, \
+ ".symbol_stub", 0) \
+SECTION_FUNCTION (machopic_symbol_stub1_section, \
+ in_machopic_symbol_stub1, \
+ ".section __TEXT,__symbol_stub1,symbol_stubs," \
+ "pure_instructions,16", 0) \
+SECTION_FUNCTION (machopic_picsymbol_stub_section, \
+ in_machopic_picsymbol_stub, \
+ ".picsymbol_stub", 0) \
+SECTION_FUNCTION (machopic_picsymbol_stub1_section, \
+ in_machopic_picsymbol_stub1, \
+ ".section __TEXT,__picsymbolstub1,symbol_stubs," \
+ "pure_instructions,32", 0) \
+SECTION_FUNCTION (darwin_exception_section, \
+ in_darwin_exception, \
+ ".section __DATA,__gcc_except_tab", 0) \
+SECTION_FUNCTION (darwin_eh_frame_section, \
+ in_darwin_eh_frame, \
+ ".section " EH_FRAME_SECTION_NAME ",__eh_frame" \
+ EH_FRAME_SECTION_ATTR, 0) \
+\
static void \
-objc_section_init () \
+objc_section_init (void) \
{ \
static int been_here = 0; \
\
objc_cls_refs_section (); \
objc_class_section (); \
objc_meta_class_section (); \
- /* shared, hot -> cold */ \
+ /* shared, hot -> cold */ \
objc_cls_meth_section (); \
objc_inst_meth_section (); \
objc_protocol_section (); \
#undef TARGET_ASM_SELECT_SECTION
#define TARGET_ASM_SELECT_SECTION machopic_select_section
+#define USE_SELECT_SECTION_FOR_FUNCTIONS
+
#undef TARGET_ASM_SELECT_RTX_SECTION
#define TARGET_ASM_SELECT_RTX_SECTION machopic_select_rtx_section
+#undef TARGET_ASM_UNIQUE_SECTION
+#define TARGET_ASM_UNIQUE_SECTION darwin_unique_section
+#undef TARGET_ASM_FUNCTION_RODATA_SECTION
+#define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
+
#define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \
- do { \
+ do { \
if (FILE) { \
- if (flag_pic) \
+ if (MACHOPIC_INDIRECT) \
fprintf (FILE, "\t.lazy_reference "); \
else \
fprintf (FILE, "\t.reference "); \
do { \
if (FILE) { \
fprintf (FILE, "\t"); \
- assemble_name (FILE, NAME); \
+ assemble_name (FILE, NAME); \
fprintf (FILE, "=0\n"); \
(*targetm.asm_out.globalize_label) (FILE, NAME); \
} \
#define GLOBAL_ASM_OP ".globl "
#define TARGET_ASM_GLOBALIZE_LABEL darwin_globalize_label
+/* 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 } */ \
+ { "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))
-/* This is how to output an internal numbered label where PREFIX is
- the class of label and NUM is the number within the class. */
+#undef TARGET_ASM_MARK_DECL_PRESERVED
+#define TARGET_ASM_MARK_DECL_PRESERVED darwin_mark_decl_preserved
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, "%s%d:\n", PREFIX, NUM)
+/* 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. */
-/* Since we have a separate readonly data section, define this so that
- jump tables end up in text rather than data. */
+#define MACHO_SYMBOL_FLAG_VARIABLE (SYMBOL_FLAG_MACH_DEP)
+#define MACHO_SYMBOL_FLAG_DEFINED ((SYMBOL_FLAG_MACH_DEP) << 1)
-#ifndef JUMP_TABLES_IN_TEXT_SECTION
-#define JUMP_TABLES_IN_TEXT_SECTION 1
-#endif
+/* 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. */
/* Macros defining the various PIC cases. */
-#define MACHOPIC_INDIRECT (flag_pic)
-#define MACHOPIC_JUST_INDIRECT (flag_pic == 1)
-#define MACHOPIC_PURE (flag_pic == 2)
+#define MACHO_DYNAMIC_NO_PIC_P (TARGET_DYNAMIC_NO_PIC)
+#define MACHOPIC_INDIRECT (flag_pic || MACHO_DYNAMIC_NO_PIC_P)
+#define MACHOPIC_JUST_INDIRECT (flag_pic == 1 || MACHO_DYNAMIC_NO_PIC_P)
+#define MACHOPIC_PURE (flag_pic == 2 && ! MACHO_DYNAMIC_NO_PIC_P)
#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 TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
#define GEN_BINDER_NAME_FOR_STUB(BUF,STUB,STUB_LENGTH) \
do { \
#define GEN_LAZY_PTR_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \
do { \
- const char *symbol_ = darwin_strip_name_encoding (SYMBOL); \
+ const char *symbol_ = (SYMBOL); \
char *buffer_ = (BUF); \
if (symbol_[0] == '"') \
{ \
#define TARGET_ASM_EXCEPTION_SECTION darwin_exception_section
#define TARGET_ASM_EH_FRAME_SECTION darwin_eh_frame_section
-
+
+#define EH_FRAME_SECTION_NAME "__TEXT"
+#define EH_FRAME_SECTION_ATTR ",coalesced,no_toc+strip_static_syms+live_support"
+
+/* Java runtime class list. */
+#define JCR_SECTION_NAME "__DATA,jcr,regular,no_dead_strip"
+
#undef ASM_PREFERRED_EH_DATA_FORMAT
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
(((CODE) == 2 && (GLOBAL) == 1) \
- ? (DW_EH_PE_pcrel | DW_EH_PE_indirect) : \
+ ? (DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4) : \
((CODE) == 1 || (GLOBAL) == 0) ? DW_EH_PE_pcrel : DW_EH_PE_absptr)
#define ASM_OUTPUT_DWARF_DELTA(FILE,SIZE,LABEL1,LABEL2) \
darwin_asm_output_dwarf_delta (FILE, SIZE, LABEL1, LABEL2)
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(ASM_OUT_FILE, ENCODING, SIZE, ADDR, DONE) \
+ if (ENCODING == ASM_PREFERRED_EH_DATA_FORMAT (2, 1)) { \
+ darwin_non_lazy_pcrel (ASM_OUT_FILE, ADDR); \
+ goto DONE; \
+ }
+
+/* Experimentally, putting jump tables in text is faster on SPEC.
+ Also this is needed for correctness for coalesced functions. */
+
+#ifndef JUMP_TABLES_IN_TEXT_SECTION
+#define JUMP_TABLES_IN_TEXT_SECTION 1
+#endif
+
#define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
-#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); \
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION darwin_asm_named_section
+
+#define DARWIN_REGISTER_TARGET_PRAGMAS() \
+ do { \
+ c_register_pragma (0, "mark", darwin_pragma_ignore); \
+ c_register_pragma (0, "options", darwin_pragma_options); \
+ c_register_pragma (0, "segment", darwin_pragma_ignore); \
+ c_register_pragma (0, "unused", darwin_pragma_unused); \
} while (0)
#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_HAS_F_SETLKW
+
+/* Darwin before 7.0 does not have C99 functions. */
+#ifndef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS 0
+#endif
+
+#define WINT_TYPE "int"
+
+#endif /* CONFIG_DARWIN_H */
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