d4691e641b
non-i386, non-unix, and generatable files have been trimmed, but can easily be added in later if needed. gcc-2.7.2.1 will follow shortly, it's a very small delta to this and it's handy to have both available for reference for such little cost. The freebsd-specific changes will then be committed, and once the dust has settled, the bmakefiles will be committed to use this code.
568 lines
19 KiB
C
568 lines
19 KiB
C
/* nextstep.h -- operating system specific defines to be used when
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targeting GCC for NeXTSTEP.
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Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Use new NeXT include file search path.
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In a cross compiler with NeXT as target, don't expect
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the host to use Next's directory scheme. */
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#ifndef CROSS_COMPILE
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#undef INCLUDE_DEFAULTS
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#define INCLUDE_DEFAULTS \
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{ \
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{ GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \
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{ LOCAL_INCLUDE_DIR, 0, 1 }, \
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{ TOOL_INCLUDE_DIR, 0, 1 }, \
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{ GCC_INCLUDE_DIR, 0, 0 }, \
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/* These are for fixincludes-fixed ansi/bsd headers \
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which wouldn't be found otherwise. \
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(The use of string catenation here is OK since \
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NeXT's native compiler is derived from GCC.) */ \
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{ GCC_INCLUDE_DIR "/ansi", 0, 0 }, \
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{ GCC_INCLUDE_DIR "/bsd", 0, 0 }, \
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{ "/NextDeveloper/Headers", 0, 0 }, \
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{ "/NextDeveloper/Headers/ansi", 0, 0 }, \
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{ "/NextDeveloper/Headers/bsd", 0, 0 }, \
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{ "/LocalDeveloper/Headers", 0, 0 }, \
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{ "/LocalDeveloper/Headers/ansi", 0, 0 }, \
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{ "/LocalDeveloper/Headers/bsd", 0, 0 }, \
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{ "/NextDeveloper/2.0CompatibleHeaders", 0, 0 }, \
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{ STANDARD_INCLUDE_DIR, 0, 0 }, \
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{ "/usr/include/bsd", 0, 0 }, \
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{ 0, 0, 0 } \
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}
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#endif /* CROSS_COMPILE */
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#undef EXTRA_FORMAT_FUNCTIONS
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#define EXTRA_FORMAT_FUNCTIONS \
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"NXPrintf", FALSE, 2, FALSE, \
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"NXScanf", TRUE, 2, FALSE, \
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"NXVPrintf", FALSE, 2, TRUE, \
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"NXVScanf", TRUE, 2, TRUE, \
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"DPSPrintf", FALSE, 2, FALSE, \
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"bsd_sprintf", FALSE, 2, FALSE, \
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"bsd_vsprintf", FALSE, 2, TRUE,
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/* Make -fnext-runtime the default. */
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#define NEXT_OBJC_RUNTIME
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/* We have atexit. */
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#define HAVE_ATEXIT
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/* Enable recent gcc to compile under the old gcc in Next release 1.0. */
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#define __inline inline
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/* wchar_t is unsigned short */
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "short unsigned int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE (BITS_PER_WORD / 2)
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#undef DEFAULT_PCC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* These compiler options take n arguments. */
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#undef WORD_SWITCH_TAKES_ARG
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#define WORD_SWITCH_TAKES_ARG(STR) \
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(DEFAULT_WORD_SWITCH_TAKES_ARG (STR) ? 1 : \
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!strcmp (STR, "segalign") ? 1 : \
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!strcmp (STR, "seg1addr") ? 1 : \
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!strcmp (STR, "segaddr") ? 2 : \
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!strcmp (STR, "sectobjectsymbols") ? 2 : \
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!strcmp (STR, "segprot") ? 3 : \
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!strcmp (STR, "sectcreate") ? 3 : \
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!strcmp (STR, "sectalign") ? 3 : \
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!strcmp (STR, "segcreate") ? 3 : \
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!strcmp (STR, "sectorder") ? 3 : \
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!strcmp (STR, "siff-mask") ? 1 : \
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!strcmp (STR, "siff-filter") ? 1 : \
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!strcmp (STR, "siff-warning") ? 1 : \
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!strcmp (STR, "arch") ? 1 : \
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!strcmp (STR, "pagezero_size") ? 1 : \
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0)
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#undef WORD_SWITCH
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#define WORD_SWITCH(STR) \
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(WORD_SWITCH_TAKES_ARG (STR) \
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|| !strcmp (STR, "bsd") \
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|| !strcmp (STR, "object") \
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|| !strcmp (STR, "ObjC") \
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|| !strcmp (STR, "all_load"))
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/* Machine dependent ccp options. */
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#undef CPP_SPEC
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#define CPP_SPEC "%{!traditional: -D__STDC__} \
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%{posixstrict:-D_POSIX_SOURCE} \
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%{!posixstrict:%{bsd:-D__STRICT_BSD__} \
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%{posix:-D_POSIX_SOURCE} \
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%{!ansi:-D_NEXT_SOURCE}} \
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%{MD:-MD %M} %{MMD:-MMD %M}"
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/* Machine dependent ld options. */
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#undef LINK_SPEC
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#define LINK_SPEC "%{Z} %{M} \
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%{execute*} %{preload*} %{fvmlib*} \
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%{segalign*} %{seg1addr*} %{segaddr*} %{segprot*} \
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%{pagezero_size*} \
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%{seglinkedit*} %{noseglinkedit*} \
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%{sectcreate*} %{sectalign*} %{sectobjectsymbols}\
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%{segcreate*} %{Mach*} %{whyload} %{w} \
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%{sectorder*} %{whatsloaded} %{ObjC} %{all_load} %{object}"
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/* Machine dependent libraries. */
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#undef LIB_SPEC
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#define LIB_SPEC "%{!posix*:-lsys_s} %{posix*:-lposix}"
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/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!posix*:%{pg:-lgcrt0.o}%{!pg: \
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%{p:%e-p profiling is no longer supported. Use -pg instead.} \
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%{!p:-lcrt0.o}}}\
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%{posix*:%{pg:-lgposixcrt0.o}%{!pg: \
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%{p:%e-p profiling is no longer supported. Use -pg instead.} \
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%{!p:-lposixcrt0.o}}}"
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/* Why not? */
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#undef DOLLARS_IN_IDENTIFIERS
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#define DOLLARS_IN_IDENTIFIERS 2
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/* Allow #sscs (but don't do anything). */
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#define SCCS_DIRECTIVE
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/* We use Dbx symbol format. */
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#undef SDB_DEBUGGING_INFO
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#undef XCOFF_DEBUGGING_INFO
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#define DBX_DEBUGGING_INFO
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/* This saves a fair amount of space. */
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#undef DBX_CONTIN_LENGTH
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#define DBX_CONTIN_LENGTH 0
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/* These screw up NeXT's gdb at the moment, so don't use them. */
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#undef DBX_OUTPUT_MAIN_SOURCE_DIRECTORY
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#define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE, FILENAME)
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/* These come from bsd386.h, but are specific to sequent, so make sure
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they don't bite us. */
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#undef DBX_NO_XREFS
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#undef DBX_CONTIN_LENGTH
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/* gdb needs a null N_SO at the end of each file for scattered loading. */
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#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
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#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
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fprintf (FILE, \
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"\t.text\n\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", \
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"" , N_SO)
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/* Don't use .gcc_compiled symbols to communicate with GDB;
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They interfere with numerically sorted symbol lists. */
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#undef ASM_IDENTIFY_GCC
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#define ASM_IDENTIFY_GCC(asm_out_file)
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#undef INIT_SECTION_ASM_OP
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#define INIT_SECTION_ASM_OP
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#undef INVOKE__main
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#undef ASM_OUTPUT_CONSTRUCTOR
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#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
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do { constructor_section (); \
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ASM_OUTPUT_ALIGN (FILE, 1); \
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fprintf (FILE, "\t.long "); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, "\n"); \
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fprintf (FILE, ".reference .constructors_used\n"); \
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} while (0)
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#undef ASM_OUTPUT_DESTRUCTOR
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#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
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do { destructor_section (); \
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ASM_OUTPUT_ALIGN (FILE, 1); \
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fprintf (FILE, "\t.long "); \
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assemble_name (FILE, NAME); \
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fprintf (FILE, "\n"); \
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fprintf (FILE, ".reference .destructors_used\n"); \
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} while (0)
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/* Don't output a .file directive. That is only used by the assembler for
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error reporting. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE)
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#undef ASM_FILE_END
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#define ASM_FILE_END(FILE) \
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do { \
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extern char *language_string; \
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if (strcmp (language_string, "GNU C++") == 0) \
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{ \
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constructor_section (); \
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destructor_section (); \
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ASM_OUTPUT_ALIGN (FILE, 1); \
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} \
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} while (0)
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/* How to parse #pragma's */
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#undef HANDLE_PRAGMA
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#define HANDLE_PRAGMA(finput) handle_pragma (finput, &get_directive_line)
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/* Give methods pretty symbol names on NeXT. */
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#undef OBJC_GEN_METHOD_LABEL
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#define OBJC_GEN_METHOD_LABEL(BUF,IS_INST,CLASS_NAME,CAT_NAME,SEL_NAME,NUM) \
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do { if (CAT_NAME) \
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sprintf (BUF, "%c[%s(%s) %s]", (IS_INST) ? '-' : '+', \
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(CLASS_NAME), (CAT_NAME), (SEL_NAME)); \
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else \
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sprintf (BUF, "%c[%s %s]", (IS_INST) ? '-' : '+', \
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(CLASS_NAME), (SEL_NAME)); \
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} while (0)
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/* Wrap new method names in quotes so the assembler doesn't gag.
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Make Objective-C internal symbols local. */
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#undef ASM_OUTPUT_LABELREF
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#define ASM_OUTPUT_LABELREF(FILE,NAME) \
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do { if (NAME[0] == '+' || NAME[0] == '-') fprintf (FILE, "\"%s\"", NAME); \
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else if (!strncmp (NAME, "_OBJC_", 6)) fprintf (FILE, "L%s", NAME); \
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else if (!strncmp (NAME, ".objc_class_name_", 17)) \
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fprintf (FILE, "%s", NAME); \
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else fprintf (FILE, "_%s", NAME); } while (0)
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#undef ALIGN_ASM_OP
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#define ALIGN_ASM_OP ".align"
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#undef ASM_OUTPUT_ALIGN
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#define ASM_OUTPUT_ALIGN(FILE,LOG) \
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if ((LOG) != 0) \
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fprintf (FILE, "\t%s %d\n", ALIGN_ASM_OP, (LOG))
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/* Ensure correct alignment of bss data. */
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#undef ASM_OUTPUT_ALIGNED_LOCAL
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#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
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( fputs (".lcomm ", (FILE)), \
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assemble_name ((FILE), (NAME)), \
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fprintf ((FILE), ",%u,%u\n", (SIZE), floor_log2 ((ALIGN) / BITS_PER_UNIT)))
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/* Output #ident as a .ident. */
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#undef ASM_OUTPUT_IDENT
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#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
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/* The maximum alignment which the object file format can support.
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For NeXT's Mach-O format, this is 2^15. */
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#undef MAX_OFILE_ALIGNMENT
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#define MAX_OFILE_ALIGNMENT 0x8000
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/* Create new Mach-O sections. */
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#undef SECTION_FUNCTION
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#define SECTION_FUNCTION(FUNCTION, SECTION, DIRECTIVE, WAS_TEXT, OBJC) \
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void \
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FUNCTION () \
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{ \
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extern void text_section (); \
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extern void objc_section_init (); \
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extern int flag_no_mach_text_sections; \
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\
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if (WAS_TEXT && flag_no_mach_text_sections) \
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text_section (); \
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else if (in_section != SECTION) \
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{ \
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if (OBJC) \
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objc_section_init (); \
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fprintf (asm_out_file, "%s\n", DIRECTIVE); \
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in_section = SECTION; \
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} \
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} \
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#undef EXTRA_SECTIONS
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#define EXTRA_SECTIONS \
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in_const, in_cstring, in_literal4, in_literal8, \
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in_constructor, in_destructor, \
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in_objc_class, in_objc_meta_class, in_objc_category, \
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in_objc_class_vars, in_objc_instance_vars, \
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in_objc_cls_meth, in_objc_inst_meth, \
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in_objc_cat_cls_meth, in_objc_cat_inst_meth, \
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in_objc_selector_refs, \
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in_objc_symbols, in_objc_module_info, \
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in_objc_protocol, in_objc_string_object, \
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in_objc_class_names, in_objc_meth_var_names, \
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in_objc_meth_var_types, in_objc_cls_refs
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#undef EXTRA_SECTION_FUNCTIONS
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#define EXTRA_SECTION_FUNCTIONS \
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SECTION_FUNCTION (const_section, \
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in_const, \
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".const", 1, 0) \
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SECTION_FUNCTION (cstring_section, \
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in_cstring, \
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".cstring", 1, 0) \
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SECTION_FUNCTION (literal4_section, \
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in_literal4, \
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".literal4", 1, 0) \
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SECTION_FUNCTION (literal8_section, \
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in_literal8, \
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".literal8", 1, 0) \
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SECTION_FUNCTION (constructor_section, \
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in_constructor, \
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".constructor", 0, 0) \
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SECTION_FUNCTION (destructor_section, \
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in_destructor, \
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".destructor", 0, 0) \
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SECTION_FUNCTION (objc_class_section, \
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in_objc_class, \
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".objc_class", 0, 1) \
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SECTION_FUNCTION (objc_meta_class_section, \
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in_objc_meta_class, \
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".objc_meta_class", 0, 1) \
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SECTION_FUNCTION (objc_category_section, \
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in_objc_category, \
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".objc_category", 0, 1) \
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SECTION_FUNCTION (objc_class_vars_section, \
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in_objc_class_vars, \
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".objc_class_vars", 0, 1) \
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SECTION_FUNCTION (objc_instance_vars_section, \
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in_objc_instance_vars, \
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".objc_instance_vars", 0, 1) \
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SECTION_FUNCTION (objc_cls_meth_section, \
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in_objc_cls_meth, \
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".objc_cls_meth", 0, 1) \
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SECTION_FUNCTION (objc_inst_meth_section, \
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in_objc_inst_meth, \
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".objc_inst_meth", 0, 1) \
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SECTION_FUNCTION (objc_cat_cls_meth_section, \
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in_objc_cat_cls_meth, \
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".objc_cat_cls_meth", 0, 1) \
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SECTION_FUNCTION (objc_cat_inst_meth_section, \
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in_objc_cat_inst_meth, \
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".objc_cat_inst_meth", 0, 1) \
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SECTION_FUNCTION (objc_selector_refs_section, \
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in_objc_selector_refs, \
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".objc_message_refs", 0, 1) \
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SECTION_FUNCTION (objc_symbols_section, \
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in_objc_symbols, \
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".objc_symbols", 0, 1) \
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SECTION_FUNCTION (objc_module_info_section, \
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in_objc_module_info, \
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".objc_module_info", 0, 1) \
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SECTION_FUNCTION (objc_protocol_section, \
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in_objc_protocol, \
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".objc_protocol", 0, 1) \
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SECTION_FUNCTION (objc_string_object_section, \
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in_objc_string_object, \
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".objc_string_object", 0, 1) \
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SECTION_FUNCTION (objc_class_names_section, \
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in_objc_class_names, \
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".objc_class_names", 0, 1) \
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SECTION_FUNCTION (objc_meth_var_names_section, \
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in_objc_meth_var_names, \
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".objc_meth_var_names", 0, 1) \
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SECTION_FUNCTION (objc_meth_var_types_section, \
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in_objc_meth_var_types, \
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".objc_meth_var_types", 0, 1) \
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SECTION_FUNCTION (objc_cls_refs_section, \
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in_objc_cls_refs, \
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".objc_cls_refs", 0, 1) \
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\
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void \
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objc_section_init () \
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{ \
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static int been_here = 0; \
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\
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if (been_here == 0) \
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{ \
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been_here = 1; \
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objc_class_section (); \
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objc_meta_class_section (); \
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objc_cat_cls_meth_section (); \
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objc_cat_inst_meth_section (); \
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objc_cls_meth_section (); \
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objc_inst_meth_section (); \
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objc_selector_refs_section (); \
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objc_symbols_section (); \
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objc_category_section (); \
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objc_protocol_section (); \
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objc_class_vars_section (); \
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objc_instance_vars_section (); \
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objc_module_info_section (); \
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objc_string_object_section (); \
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objc_class_names_section (); \
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objc_meth_var_names_section (); \
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objc_meth_var_types_section (); \
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objc_cls_refs_section (); \
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} \
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}
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#undef READONLY_DATA_SECTION
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#define READONLY_DATA_SECTION const_section
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#undef SELECT_SECTION
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#define SELECT_SECTION(exp,reloc) \
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do \
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{ \
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if (TREE_CODE (exp) == STRING_CST) \
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{ \
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if (flag_writable_strings) \
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data_section (); \
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else if (TREE_STRING_LENGTH (exp) != \
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strlen (TREE_STRING_POINTER (exp)) + 1) \
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readonly_data_section (); \
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else \
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cstring_section (); \
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} \
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else if (TREE_CODE (exp) == INTEGER_CST \
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|| TREE_CODE (exp) == REAL_CST) \
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{ \
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tree size = TYPE_SIZE (TREE_TYPE (exp)); \
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\
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if (TREE_CODE (size) == INTEGER_CST && \
|
|
TREE_INT_CST_LOW (size) == 4 && \
|
|
TREE_INT_CST_HIGH (size) == 0) \
|
|
literal4_section (); \
|
|
else if (TREE_CODE (size) == INTEGER_CST && \
|
|
TREE_INT_CST_LOW (size) == 8 && \
|
|
TREE_INT_CST_HIGH (size) == 0) \
|
|
literal8_section (); \
|
|
else \
|
|
readonly_data_section (); \
|
|
} \
|
|
else if (TREE_CODE (exp) == CONSTRUCTOR \
|
|
&& TREE_TYPE (exp) \
|
|
&& TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE \
|
|
&& TYPE_NAME (TREE_TYPE (exp)) \
|
|
&& TREE_CODE (TYPE_NAME (TREE_TYPE (exp))) == IDENTIFIER_NODE \
|
|
&& IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (exp)))) \
|
|
{ \
|
|
if (!strcmp (IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (exp))), \
|
|
"NXConstantString")) \
|
|
objc_string_object_section (); \
|
|
else if ((TREE_READONLY (exp) || TREE_CONSTANT (exp)) \
|
|
&& !TREE_SIDE_EFFECTS (exp)) \
|
|
readonly_data_section (); \
|
|
else \
|
|
data_section (); \
|
|
} \
|
|
else if (TREE_CODE (exp) == VAR_DECL && \
|
|
DECL_NAME (exp) && \
|
|
TREE_CODE (DECL_NAME (exp)) == IDENTIFIER_NODE && \
|
|
IDENTIFIER_POINTER (DECL_NAME (exp)) && \
|
|
!strncmp (IDENTIFIER_POINTER (DECL_NAME (exp)), "_OBJC_", 6)) \
|
|
{ \
|
|
const char *name = IDENTIFIER_POINTER (DECL_NAME (exp)); \
|
|
\
|
|
if (!strncmp (name, "_OBJC_CLASS_METHODS_", 20)) \
|
|
objc_cls_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_INSTANCE_METHODS_", 23)) \
|
|
objc_inst_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_CATEGORY_CLASS_METHODS_", 20)) \
|
|
objc_cat_cls_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_CATEGORY_INSTANCE_METHODS_", 23)) \
|
|
objc_cat_inst_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_CLASS_VARIABLES_", 22)) \
|
|
objc_class_vars_section (); \
|
|
else if (!strncmp (name, "_OBJC_INSTANCE_VARIABLES_", 25)) \
|
|
objc_instance_vars_section (); \
|
|
else if (!strncmp (name, "_OBJC_CLASS_PROTOCOLS_", 22)) \
|
|
objc_cat_cls_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_CLASS_NAME_", 17)) \
|
|
objc_class_names_section (); \
|
|
else if (!strncmp (name, "_OBJC_METH_VAR_NAME_", 20)) \
|
|
objc_meth_var_names_section (); \
|
|
else if (!strncmp (name, "_OBJC_METH_VAR_TYPE_", 20)) \
|
|
objc_meth_var_types_section (); \
|
|
else if (!strncmp (name, "_OBJC_CLASS_REFERENCES", 22)) \
|
|
objc_cls_refs_section (); \
|
|
else if (!strncmp (name, "_OBJC_CLASS_", 12)) \
|
|
objc_class_section (); \
|
|
else if (!strncmp (name, "_OBJC_METACLASS_", 16)) \
|
|
objc_meta_class_section (); \
|
|
else if (!strncmp (name, "_OBJC_CATEGORY_", 15)) \
|
|
objc_category_section (); \
|
|
else if (!strncmp (name, "_OBJC_SELECTOR_REFERENCES", 25)) \
|
|
objc_selector_refs_section (); \
|
|
else if (!strncmp (name, "_OBJC_SYMBOLS", 13)) \
|
|
objc_symbols_section (); \
|
|
else if (!strncmp (name, "_OBJC_MODULES", 13)) \
|
|
objc_module_info_section (); \
|
|
else if (!strncmp (name, "_OBJC_PROTOCOL_INSTANCE_METHODS_", 32)) \
|
|
objc_cat_inst_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_PROTOCOL_CLASS_METHODS_", 29)) \
|
|
objc_cat_cls_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_PROTOCOL_REFS_", 20)) \
|
|
objc_cat_cls_meth_section (); \
|
|
else if (!strncmp (name, "_OBJC_PROTOCOL_", 15)) \
|
|
objc_protocol_section (); \
|
|
else if ((TREE_READONLY (exp) || TREE_CONSTANT (exp)) \
|
|
&& !TREE_SIDE_EFFECTS (exp)) \
|
|
readonly_data_section (); \
|
|
else \
|
|
data_section (); \
|
|
} \
|
|
else if (TREE_CODE (exp) == VAR_DECL) \
|
|
{ \
|
|
if ((flag_pic && reloc) \
|
|
|| !TREE_READONLY (exp) || TREE_SIDE_EFFECTS (exp) \
|
|
|| !DECL_INITIAL (exp) \
|
|
|| (DECL_INITIAL (exp) != error_mark_node \
|
|
&& !TREE_CONSTANT (DECL_INITIAL (exp)))) \
|
|
data_section (); \
|
|
else \
|
|
readonly_data_section (); \
|
|
} \
|
|
else \
|
|
readonly_data_section (); \
|
|
} \
|
|
while (0)
|
|
|
|
#undef SELECT_RTX_SECTION
|
|
#define SELECT_RTX_SECTION(mode, rtx) \
|
|
do \
|
|
{ \
|
|
if (GET_MODE_SIZE(mode) == 8) \
|
|
literal8_section(); \
|
|
else if (GET_MODE_SIZE(mode) == 4) \
|
|
literal4_section(); \
|
|
else \
|
|
const_section (); \
|
|
} \
|
|
while (0)
|