X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Fdarwin.h;h=b26715e26effcf1902a7fcb40822500ca3af7b7f;hb=05fa234b9a8e56ff100573bf922ba25ec27982b0;hp=7d26c26718b4a4b299aa1acdf1bb6ea44a42a51a;hpb=92c473b849792cea6027fad87e53ae2096e82c13;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h index 7d26c26718b..b26715e26ef 100644 --- a/gcc/config/darwin.h +++ b/gcc/config/darwin.h @@ -1,25 +1,29 @@ /* Target definitions for Darwin (Mac OS X) systems. - Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003 + 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 @@ -30,21 +34,13 @@ Boston, MA 02111-1307, USA. */ /* 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. */ @@ -99,7 +95,13 @@ Boston, MA 02111-1307, USA. */ 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. */ + 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" }, \ @@ -108,13 +110,22 @@ Boston, MA 02111-1307, USA. */ { "-bundle", "-Zbundle" }, \ { "-bundle_loader", "-Zbundle_loader" }, \ { "-weak_reference_mismatches", "-Zweak_reference_mismatches" }, \ + { "-dead_strip", "-Zdead_strip" }, \ + { "-no_dead_strip_inits_and_terms", "-Zno_dead_strip_inits_and_terms" }, \ { "-dependency-file", "-MF" }, \ { "-dylib_file", "-Zdylib_file" }, \ { "-dynamic", "-Zdynamic" }, \ { "-dynamiclib", "-Zdynamiclib" }, \ { "-exported_symbols_list", "-Zexported_symbols_list" }, \ + { "-gfull", "-g -fno-eliminate-unused-debug-symbols" }, \ + { "-gused", "-g -feliminate-unused-debug-symbols" }, \ + { "-segaddr", "-Zsegaddr" }, \ + { "-segs_read_only_addr", "-Zsegs_read_only_addr" }, \ + { "-segs_read_write_addr", "-Zsegs_read_write_addr" }, \ + { "-seg_addr_table", "-Zseg_addr_table" }, \ { "-seg_addr_table_filename", "-Zseg_addr_table_filename" }, \ { "-filelist", "-Xlinker -filelist -Xlinker" }, \ + { "-framework", "-Xlinker -framework -Xlinker" }, \ { "-flat_namespace", "-Zflat_namespace" }, \ { "-force_cpusubtype_ALL", "-Zforce_cpusubtype_ALL" }, \ { "-force_flat_namespace", "-Zforce_flat_namespace" }, \ @@ -126,7 +137,26 @@ Boston, MA 02111-1307, USA. */ { "-multi_module", "-Zmulti_module" }, \ { "-static", "-static -Wa,-static" }, \ { "-single_module", "-Zsingle_module" }, \ - { "-unexported_symbols_list", "-Zunexported_symbols_list" } + { "-unexported_symbols_list", "-Zunexported_symbols_list" }, \ + SUBTARGET_OPTION_TRANSLATE_TABLE + +/* Nonzero if the user has chosen to force sizeof(bool) to be 1 + by providing the -mone-byte-bool switch. It would be better + to use SUBTARGET_SWITCHES for this instead of SUBTARGET_OPTIONS, + but there are no more bits in rs6000 TARGET_SWITCHES. Note + that this switch has no "no-" variant. */ +extern const char *darwin_one_byte_bool; + +extern int darwin_fix_and_continue; +extern const char *darwin_fix_and_continue_switch; + +#undef SUBTARGET_OPTIONS +#define SUBTARGET_OPTIONS \ + {"one-byte-bool", &darwin_one_byte_bool, N_("Set sizeof(bool) to 1"), 0 }, \ + {"fix-and-continue", &darwin_fix_and_continue_switch, \ + N_("Generate code suitable for fast turn around debugging"), 0}, \ + {"no-fix-and-continue", &darwin_fix_and_continue_switch, \ + N_("Don't generate code suitable for fast turn around debugging"), 0} /* These compiler options take n arguments. */ @@ -151,10 +181,13 @@ Boston, MA 02111-1307, USA. */ !strcmp (STR, "read_only_relocs") ? 1 : \ !strcmp (STR, "sectcreate") ? 3 : \ !strcmp (STR, "sectorder") ? 3 : \ + !strcmp (STR, "Zsegaddr") ? 2 : \ + !strcmp (STR, "Zsegs_read_only_addr") ? 1 : \ + !strcmp (STR, "Zsegs_read_write_addr") ? 1 : \ + !strcmp (STR, "Zseg_addr_table") ? 1 : \ !strcmp (STR, "Zseg_addr_table_filename") ?1 :\ !strcmp (STR, "seg1addr") ? 1 : \ !strcmp (STR, "segprot") ? 3 : \ - !strcmp (STR, "seg_addr_table") ? 1 : \ !strcmp (STR, "sub_library") ? 1 : \ !strcmp (STR, "sub_umbrella") ? 1 : \ !strcmp (STR, "umbrella") ? 1 : \ @@ -170,10 +203,13 @@ Boston, MA 02111-1307, USA. */ !strcmp (STR, "dylinker_install_name") ? 1 : \ 0) -/* Machine dependent cpp options. */ +/* 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:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}" +#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 @@ -190,10 +226,9 @@ Boston, MA 02111-1307, USA. */ %{!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:-lgcov} \ + %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate|coverage:-lgcov} \ %{!nostdlib:%{!nodefaultlibs:%G %L}} \ - %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} \ - %{!--help:%{!no-c++filt|c++filt:| c++filt3 }} }}}}}}}}" + %{!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 @@ -204,14 +239,16 @@ Boston, MA 02111-1307, USA. */ their names so all of them get passed. */ #define LINK_SPEC \ "%{static}%{!static:-dynamic} \ + %{fgnu-runtime:%:replace-outfile(-lobjc -lobjc-gnu)}\ %{!Zdynamiclib: \ + %{Zforce_cpusubtype_ALL:-arch %(darwin_arch) -force_cpusubtype_ALL} \ + %{!Zforce_cpusubtype_ALL:-arch %(darwin_subarch)} \ %{Zbundle:-bundle} \ %{Zbundle_loader*:-bundle_loader %*} \ %{client_name*} \ %{compatibility_version*:%e-compatibility_version only allowed with -dynamiclib\ } \ %{current_version*:%e-current_version only allowed with -dynamiclib} \ - %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL} \ %{Zforce_flat_namespace:-force_flat_namespace} \ %{Zinstall_name*:%e-install_name only allowed with -dynamiclib} \ %{keep_private_externs} \ @@ -223,7 +260,8 @@ Boston, MA 02111-1307, USA. */ %{client_name*:%e-client_name not allowed with -dynamiclib} \ %{compatibility_version*} \ %{current_version*} \ - %{Zforce_cpusubtype_ALL:%e-force_cpusubtype_ALL not allowed with -dynamiclib} \ + %{Zforce_cpusubtype_ALL:-arch_only %(darwin_arch)} \ + %{!Zforce_cpusubtype_ALL: -arch_only %(darwin_subarch)} \ %{Zforce_flat_namespace:%e-force_flat_namespace not allowed with -dynamiclib} \ %{Zinstall_name*:-install_name %*} \ %{keep_private_externs:%e-keep_private_externs not allowed with -dynamiclib} \ @@ -233,6 +271,8 @@ Boston, MA 02111-1307, USA. */ %{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 %*} \ @@ -244,9 +284,13 @@ Boston, MA 02111-1307, USA. */ %{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \ %{Zmultiply_defined*:-multiply_defined %*} \ %{Zmultiplydefinedunused*:-multiply_defined_unused %*} \ - %{prebind} %{noprebind} %{prebind_all_twolevel_modules} \ + %{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \ %{read_only_relocs} \ - %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} %{seg_addr_table*} \ + %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} \ + %{Zsegaddr*:-segaddr %*} \ + %{Zsegs_read_only_addr*:-segs_read_only_addr %*} \ + %{Zsegs_read_write_addr*:-segs_read_write_addr %*} \ + %{Zseg_addr_table*: -seg_addr_table %*} \ %{Zseg_addr_table_filename*:-seg_addr_table_filename %*} \ %{sub_library*} %{sub_umbrella*} \ %{twolevel_namespace} %{twolevel_namespace_hints} \ @@ -254,6 +298,7 @@ Boston, MA 02111-1307, USA. */ %{undefined*} \ %{Zunexported_symbols_list*:-unexported_symbols_list %*} \ %{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \ + %{!Zweak_reference_mismatches*:-weak_reference_mismatches non-weak} \ %{X} \ %{y*} \ %{w} \ @@ -263,12 +308,25 @@ Boston, MA 02111-1307, USA. */ %{dylinker} %{Mach} " -/* Machine dependent libraries. */ +/* Machine dependent libraries but do not redefine it if we already on 7.0 and + above as it needs to link with libmx also. */ -#undef LIB_SPEC +#ifndef LIB_SPEC #define LIB_SPEC "%{!static:-lSystem}" +#endif + +/* -dynamiclib implies -shared-libgcc just like -shared would on linux. */ +#define REAL_LIBGCC_SPEC \ + "%{static|static-libgcc:-lgcc -lgcc_eh}\ + %{!static:%{!static-libgcc:\ + %{!Zdynamiclib:%{!shared-libgcc:-lgcc -lgcc_eh}\ + %{shared-libgcc:-lgcc_s -lgcc}} %{Zdynamiclib:-lgcc_s -lgcc}}}" /* We specify crt0.o as -lcrt0.o so that ld will search the library path. */ +/* We don't want anything to do with crt2.o in the 64-bit case; + testing the PowerPC-specific -m64 flag here is a little irregular, + but it's overkill to make copies of this spec for each target + arch. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ @@ -276,21 +334,40 @@ Boston, MA 02111-1307, USA. */ %{!Zbundle:%{pg:%{static:-lgcrt0.o} \ %{!static:%{object:-lgcrt0.o} \ %{!object:%{preload:-lgcrt0.o} \ - %{!preload:-lgcrt1.o -lcrt2.o}}}} \ + %{!preload:-lgcrt1.o %{!m64: crt2.o%s}}}}} \ %{!pg:%{static:-lcrt0.o} \ %{!static:%{object:-lcrt0.o} \ %{!object:%{preload:-lcrt0.o} \ - %{!preload:-lcrt1.o -lcrt2.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 @@ -301,12 +378,67 @@ Boston, MA 02111-1307, USA. */ /* gdb needs a null N_SO at the end of each file for scattered loading. */ -#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END -#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ -do { text_section (); \ - fprintf (FILE, \ - "\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", "" , N_SO); \ - } while (0) +#define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END + +/* 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 ("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 + +/* 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. */ @@ -326,8 +458,8 @@ do { text_section (); \ /* Don't output a .file directive. That is only used by the assembler for error reporting. */ -#undef ASM_FILE_START_FILE_DIRECTIVE -#define ASM_FILE_START_FILE_DIRECTIVE false +#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 @@ -349,44 +481,56 @@ do { text_section (); \ /* 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)) \ + const char *xname = NAME; \ + if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \ + xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \ + if (! DECL_WEAK (DECL) \ + && ((TREE_STATIC (DECL) \ + && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ + || DECL_INITIAL (DECL))) \ + machopic_define_symbol (DECL_RTL (DECL)); \ + if ((TREE_STATIC (DECL) \ + && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ + || DECL_INITIAL (DECL)) \ (* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \ - ASM_OUTPUT_LABEL (FILE, xname); \ + ASM_OUTPUT_LABEL (FILE, xname); \ + /* 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)) \ + 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); \ - /* Avoid generating stubs for functions we've just defined by \ - outputting any required stub name label now. */ \ - machopic_output_possible_stub_label (FILE, xname); \ + 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. @@ -395,16 +539,18 @@ do { text_section (); \ #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, "")) \ + 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); \ + machopic_validate_stub_or_non_lazy_ptr (xname); \ fputs (&xname[1], FILE); \ } \ else if (xname[0] == '+' || xname[0] == '-') \ @@ -414,17 +560,17 @@ do { text_section (); \ else if (!strncmp (xname, ".objc_class_name_", 17)) \ 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" @@ -436,21 +582,22 @@ do { text_section (); \ /* 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), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", (SIZE), \ + if (_new_size == 0) _new_size = 1; \ + fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", _new_size, \ floor_log2 ((ALIGN) / BITS_PER_UNIT)); \ if ((DECL) && ((TREE_STATIC (DECL) \ && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \ || DECL_INITIAL (DECL))) \ - (* targetm.encode_section_info) (DECL, DECL_RTL (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. @@ -463,17 +610,16 @@ do { text_section (); \ #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; \ } \ } \ @@ -481,147 +627,180 @@ FUNCTION () \ /* 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_symbol_stub1, \ - in_machopic_picsymbol_stub, \ - in_machopic_picsymbol_stub1, \ - in_darwin_exception, in_darwin_eh_frame, \ + in_objc_class, in_objc_meta_class, in_objc_category, \ + in_objc_class_vars, in_objc_instance_vars, \ + in_objc_cls_meth, in_objc_inst_meth, \ + in_objc_cat_cls_meth, in_objc_cat_inst_meth, \ + in_objc_selector_refs, \ + in_objc_selector_fixup, \ + in_objc_symbols, in_objc_module_info, \ + in_objc_protocol, in_objc_string_object, \ + in_objc_constant_string_object, \ + in_objc_image_info, \ + in_objc_class_names, in_objc_meth_var_names, \ + in_objc_meth_var_types, in_objc_cls_refs, \ + in_machopic_nl_symbol_ptr, \ + in_machopic_lazy_symbol_ptr, \ + in_machopic_symbol_stub, \ + in_machopic_symbol_stub1, \ + in_machopic_picsymbol_stub, \ + in_machopic_picsymbol_stub1, \ + in_darwin_exception, in_darwin_eh_frame, \ num_sections #undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ -static void objc_section_init 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_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 __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_section, \ + in_text_unlikely, \ + ".section __TEXT,__text_unlikely,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; \ \ @@ -638,7 +817,7 @@ objc_section_init () \ 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 (); \ @@ -657,11 +836,18 @@ objc_section_init () \ #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 (MACHOPIC_INDIRECT) \ fprintf (FILE, "\t.lazy_reference "); \ @@ -676,7 +862,7 @@ objc_section_init () \ 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); \ } \ @@ -686,16 +872,38 @@ objc_section_init () \ #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)) -/* Since we have a separate readonly data section, define this so that - jump tables end up in text rather than data. */ +#undef TARGET_ASM_MARK_DECL_PRESERVED +#define TARGET_ASM_MARK_DECL_PRESERVED darwin_mark_decl_preserved -#ifndef JUMP_TABLES_IN_TEXT_SECTION -#define JUMP_TABLES_IN_TEXT_SECTION 1 -#endif +/* Set on a symbol with SYMBOL_FLAG_FUNCTION or + MACHO_SYMBOL_FLAG_VARIABLE to indicate that the function or + variable has been defined in this translation unit. */ + +#define MACHO_SYMBOL_FLAG_VARIABLE (SYMBOL_FLAG_MACH_DEP) +#define MACHO_SYMBOL_FLAG_DEFINED ((SYMBOL_FLAG_MACH_DEP) << 1) + +/* Set on a symbol to indicate when fix-and-continue style code + generation is being used and the symbol refers to a static symbol + that should be rebound from new instances of a translation unit to + the original instance of the data. */ + +#define MACHO_SYMBOL_STATIC ((SYMBOL_FLAG_MACH_DEP) << 2) /* Symbolic names for various things we might know about a symbol. */ @@ -717,7 +925,7 @@ enum machopic_addr_class { #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 { \ @@ -753,7 +961,7 @@ enum machopic_addr_class { #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] == '"') \ { \ @@ -778,18 +986,40 @@ enum machopic_addr_class { #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 +#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); \ @@ -802,3 +1032,22 @@ enum machopic_addr_class { #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 */