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|
/* Operating system specific defines to be used when targeting GCC
for NeXTSTEP.
Copyright (C) 1989, 1990, 1991, 1992, 1993, 1996, 1997,
1999 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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,
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
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Use new NeXT include file search path.
In a cross compiler with NeXT as target, don't expect
the host to use Next's directory scheme. */
#ifndef CROSS_COMPILE
#undef INCLUDE_DEFAULTS
#define INCLUDE_DEFAULTS \
{ \
{ GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \
{ LOCAL_INCLUDE_DIR, 0, 0, 1 }, \
{ TOOL_INCLUDE_DIR, "BINUTILS", 0, 1 }, \
{ GCC_INCLUDE_DIR, "GCC", 0, 0 }, \
/* These are for fixincludes-fixed ansi/bsd headers \
which wouldn't be found otherwise. \
(The use of string catenation here is OK since \
NeXT's native compiler is derived from GCC.) */ \
{ GCC_INCLUDE_DIR "/ansi", 0, 0, 0 }, \
{ GCC_INCLUDE_DIR "/bsd", 0, 0, 0 }, \
{ "/NextDeveloper/Headers", 0, 0, 0 }, \
{ "/NextDeveloper/Headers/ansi", 0, 0, 0 }, \
{ "/NextDeveloper/Headers/bsd", 0, 0, 0 }, \
{ "/LocalDeveloper/Headers", 0, 0, 0 }, \
{ "/LocalDeveloper/Headers/ansi", 0, 0, 0 }, \
{ "/LocalDeveloper/Headers/bsd", 0, 0, 0 }, \
{ "/NextDeveloper/2.0CompatibleHeaders", 0, 0, 0 }, \
{ STANDARD_INCLUDE_DIR, 0, 0, 0 }, \
{ "/usr/include/bsd", 0, 0, 0 }, \
{ 0, 0, 0, 0 } \
}
#else /* CROSS_COMPILE */
#undef INCLUDE_DEFAULTS
#define INCLUDE_DEFAULTS \
{ \
{ GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \
{ GPLUSPLUS_INCLUDE_DIR, 0, 1, 1 }, \
{ GCC_INCLUDE_DIR, "GCC", 0, 0 }, \
{ GCC_INCLUDE_DIR "/ansi", 0, 0, 0 }, \
{ GCC_INCLUDE_DIR "/bsd", 0, 0, 0 }, \
{ TOOL_INCLUDE_DIR, "BINUTILS", 0, 1 }, \
{ TOOL_INCLUDE_DIR "/ansi", 0, 0, 0 }, \
{ TOOL_INCLUDE_DIR "/bsd", 0, 0, 0 }, \
{ "/usr/include/bsd", 0, 0, 0 }, \
{ 0, 0, 0, 0 } \
}
#endif /* CROSS_COMPILE */
#undef EXTRA_FORMAT_FUNCTIONS
#define EXTRA_FORMAT_FUNCTIONS \
"NXPrintf", FALSE, 2, FALSE, \
"NXScanf", TRUE, 2, FALSE, \
"NXVPrintf", FALSE, 2, TRUE, \
"NXVScanf", TRUE, 2, TRUE, \
"DPSPrintf", FALSE, 2, FALSE, \
"bsd_sprintf", FALSE, 2, FALSE, \
"bsd_vsprintf", FALSE, 2, TRUE,
/* Make -fnext-runtime the default. */
#define NEXT_OBJC_RUNTIME
/* Enable recent gcc to compile under the old gcc in Next release 1.0. */
#define __inline inline
/* wchar_t is unsigned short */
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE (BITS_PER_WORD / 2)
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
we want to retain compatibility with older gcc versions. */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
/* 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, "segalign") ? 1 : \
!strcmp (STR, "seg1addr") ? 1 : \
!strcmp (STR, "segaddr") ? 2 : \
!strcmp (STR, "sectobjectsymbols") ? 2 : \
!strcmp (STR, "segprot") ? 3 : \
!strcmp (STR, "sectcreate") ? 3 : \
!strcmp (STR, "sectalign") ? 3 : \
!strcmp (STR, "segcreate") ? 3 : \
!strcmp (STR, "sectorder") ? 3 : \
!strcmp (STR, "siff-mask") ? 1 : \
!strcmp (STR, "siff-filter") ? 1 : \
!strcmp (STR, "siff-warning") ? 1 : \
!strcmp (STR, "arch") ? 1 : \
!strcmp (STR, "pagezero_size") ? 1 : \
0)
#undef WORD_SWITCH
#define WORD_SWITCH(STR) \
(WORD_SWITCH_TAKES_ARG (STR) \
|| !strcmp (STR, "bsd") \
|| !strcmp (STR, "object") \
|| !strcmp (STR, "ObjC") \
|| !strcmp (STR, "all_load"))
/* Machine dependent ccp options. */
#undef CPP_SPEC
#define CPP_SPEC "%{!traditional: -D__STDC__} \
%{posixstrict:-D_POSIX_SOURCE} \
%{!posixstrict:%{bsd:-D__STRICT_BSD__} \
%{posix:-D_POSIX_SOURCE} \
%{!ansi:-D_NEXT_SOURCE}} \
%{MD:-MD %M} %{MMD:-MMD %M}"
/* Machine dependent ld options. */
#undef LINK_SPEC
#define LINK_SPEC "%{Z} %{M} \
%{execute*} %{preload*} %{fvmlib*} \
%{segalign*} %{seg1addr*} %{segaddr*} %{segprot*} \
%{pagezero_size*} \
%{seglinkedit*} %{noseglinkedit*} \
%{sectcreate*} %{sectalign*} %{sectobjectsymbols}\
%{segcreate*} %{Mach*} %{whyload} %{w} \
%{sectorder*} %{whatsloaded} %{ObjC} %{all_load} %{object}"
/* Machine dependent libraries. */
#undef LIB_SPEC
#define LIB_SPEC "%{!posix*:-lsys_s} %{posix*:-lposix}"
/* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{!posix*:%{pg:-lgcrt0.o}%{!pg: \
%{p:%e-p profiling is no longer supported. Use -pg instead} \
%{!p:-lcrt0.o}}}\
%{posix*:%{pg:-lgposixcrt0.o}%{!pg: \
%{p:%e-p profiling is no longer supported. Use -pg instead} \
%{!p:-lposixcrt0.o}}} \
-lcrtbegin.o"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"-lcrtend.o"
/* Allow #sscs (but don't do anything). */
#define SCCS_DIRECTIVE
/* We use Dbx symbol format. */
#undef SDB_DEBUGGING_INFO
#undef XCOFF_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO
/* This saves a fair amount of space. */
#undef DBX_CONTIN_LENGTH
#define DBX_CONTIN_LENGTH 0
/* These screw up NeXT's gdb at the moment, so don't use them. */
#undef DBX_OUTPUT_MAIN_SOURCE_DIRECTORY
#define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE, FILENAME)
/* These come from bsd386.h, but are specific to sequent, so make sure
they don't bite us. */
#undef DBX_NO_XREFS
#undef DBX_CONTIN_LENGTH
/* 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) \
fprintf (FILE, \
"\t.text\n\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", \
"" , N_SO)
/* Define our object format type for crtstuff.c */
#define OBJECT_FORMAT_MACHO
#undef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP
#undef INVOKE__main
#define TARGET_ASM_CONSTRUCTOR nextstep_asm_out_constructor
#define TARGET_ASM_DESTRUCTOR nextstep_asm_out_destructor
#define TARGET_ASM_EXCEPTION_SECTION nextstep_exception_section
#define TARGET_ASM_EH_FRAME_SECTION nextstep_eh_frame_section
/* Don't output a .file directive. That is only used by the assembler for
error reporting. */
#undef ASM_FILE_START
#define ASM_FILE_START(FILE)
#undef ASM_FILE_END
#define ASM_FILE_END(FILE) \
do { \
if (strcmp (lang_hooks.name, "GNU C++") == 0) \
{ \
constructor_section (); \
destructor_section (); \
ASM_OUTPUT_ALIGN (FILE, 1); \
} \
} while (0)
/* How to parse #pragma's */
#undef HANDLE_PRAGMA
#define HANDLE_PRAGMA(GETC, UNGETC, NAME) handle_pragma (GETC, UNGETC, NAME)
/* Give methods pretty symbol names on NeXT. */
#undef OBJC_GEN_METHOD_LABEL
#define OBJC_GEN_METHOD_LABEL(BUF,IS_INST,CLASS_NAME,CAT_NAME,SEL_NAME,NUM) \
do { if (CAT_NAME) \
sprintf (BUF, "%c[%s(%s) %s]", (IS_INST) ? '-' : '+', \
(CLASS_NAME), (CAT_NAME), (SEL_NAME)); \
else \
sprintf (BUF, "%c[%s %s]", (IS_INST) ? '-' : '+', \
(CLASS_NAME), (SEL_NAME)); \
} while (0)
/* The prefix to add to user-visible assembler symbols. */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"
/* Wrap new method names in quotes so the assembler doesn't gag.
Make Objective-C internal symbols local. */
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME) \
do { if (NAME[0] == '+' || NAME[0] == '-') fprintf (FILE, "\"%s\"", NAME); \
else if (!strncmp (NAME, "_OBJC_", 6)) fprintf (FILE, "L%s", NAME); \
else if (!strncmp (NAME, ".objc_class_name_", 17)) \
fprintf (FILE, "%s", NAME); \
else asm_fprintf (FILE, "%U%s", NAME); } while (0)
#undef ALIGN_ASM_OP
#define ALIGN_ASM_OP "\t.align\t"
#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
if ((LOG) != 0) \
fprintf (FILE, "%s%d\n", ALIGN_ASM_OP, (LOG))
/* Ensure correct alignment of bss data. */
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
( fputs (".lcomm ", (FILE)), \
assemble_name ((FILE), (NAME)), \
fprintf ((FILE), ",%u,%u\n", (SIZE), floor_log2 ((ALIGN) / BITS_PER_UNIT)))
/* Output #ident as a .ident. */
#undef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
/* The maximum alignment which the object file format can support.
For NeXT's Mach-O format, this is 2^15. */
#undef MAX_OFILE_ALIGNMENT
#define MAX_OFILE_ALIGNMENT 0x8000
/* Create new Mach-O sections. */
#undef SECTION_FUNCTION
#define SECTION_FUNCTION(FUNCTION, SECTION, DIRECTIVE, WAS_TEXT, OBJC) \
extern void FUNCTION PARAMS ((void)); \
void \
FUNCTION () \
{ \
extern int flag_no_mach_text_sections; \
\
if (WAS_TEXT && flag_no_mach_text_sections) \
text_section (); \
else if (in_section != SECTION) \
{ \
if (OBJC) \
objc_section_init (); \
fprintf (asm_out_file, "%s\n", DIRECTIVE); \
in_section = SECTION; \
} \
} \
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS \
in_const, in_cstring, in_literal4, in_literal8, \
in_constructor, in_destructor, \
in_nextstep_exception, in_nextstep_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_symbols, in_objc_module_info, \
in_objc_protocol, in_objc_string_object, \
in_objc_class_names, in_objc_meth_var_names, \
in_objc_meth_var_types, in_objc_cls_refs
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
extern void objc_section_init PARAMS ((void)); \
SECTION_FUNCTION (const_section, \
in_const, \
".const", 1, 0) \
SECTION_FUNCTION (cstring_section, \
in_cstring, \
".cstring", 1, 0) \
SECTION_FUNCTION (literal4_section, \
in_literal4, \
".literal4", 1, 0) \
SECTION_FUNCTION (literal8_section, \
in_literal8, \
".literal8", 1, 0) \
SECTION_FUNCTION (constructor_section, \
in_constructor, \
".constructor", 0, 0) \
SECTION_FUNCTION (destructor_section, \
in_destructor, \
".destructor", 0, 0) \
SECTION_FUNCTION (nextstep_exception_section, \
in_nextstep_exception, \
".section __TEXT,__gcc_except_tab,regular", 0, 0) \
SECTION_FUNCTION (nextstep_eh_frame_section, \
in_nextstep_eh_frame, \
".section __TEXT,__eh_frame,regular", 0, 0) \
SECTION_FUNCTION (objc_class_section, \
in_objc_class, \
".objc_class", 0, 1) \
SECTION_FUNCTION (objc_meta_class_section, \
in_objc_meta_class, \
".objc_meta_class", 0, 1) \
SECTION_FUNCTION (objc_category_section, \
in_objc_category, \
".objc_category", 0, 1) \
SECTION_FUNCTION (objc_class_vars_section, \
in_objc_class_vars, \
".objc_class_vars", 0, 1) \
SECTION_FUNCTION (objc_instance_vars_section, \
in_objc_instance_vars, \
".objc_instance_vars", 0, 1) \
SECTION_FUNCTION (objc_cls_meth_section, \
in_objc_cls_meth, \
".objc_cls_meth", 0, 1) \
SECTION_FUNCTION (objc_inst_meth_section, \
in_objc_inst_meth, \
".objc_inst_meth", 0, 1) \
SECTION_FUNCTION (objc_cat_cls_meth_section, \
in_objc_cat_cls_meth, \
".objc_cat_cls_meth", 0, 1) \
SECTION_FUNCTION (objc_cat_inst_meth_section, \
in_objc_cat_inst_meth, \
".objc_cat_inst_meth", 0, 1) \
SECTION_FUNCTION (objc_selector_refs_section, \
in_objc_selector_refs, \
".objc_message_refs", 0, 1) \
SECTION_FUNCTION (objc_symbols_section, \
in_objc_symbols, \
".objc_symbols", 0, 1) \
SECTION_FUNCTION (objc_module_info_section, \
in_objc_module_info, \
".objc_module_info", 0, 1) \
SECTION_FUNCTION (objc_protocol_section, \
in_objc_protocol, \
".objc_protocol", 0, 1) \
SECTION_FUNCTION (objc_string_object_section, \
in_objc_string_object, \
".objc_string_object", 0, 1) \
SECTION_FUNCTION (objc_class_names_section, \
in_objc_class_names, \
".objc_class_names", 0, 1) \
SECTION_FUNCTION (objc_meth_var_names_section, \
in_objc_meth_var_names, \
".objc_meth_var_names", 0, 1) \
SECTION_FUNCTION (objc_meth_var_types_section, \
in_objc_meth_var_types, \
".objc_meth_var_types", 0, 1) \
SECTION_FUNCTION (objc_cls_refs_section, \
in_objc_cls_refs, \
".objc_cls_refs", 0, 1) \
\
void \
objc_section_init () \
{ \
static int been_here = 0; \
\
if (been_here == 0) \
{ \
been_here = 1; \
objc_class_section (); \
objc_meta_class_section (); \
objc_cat_cls_meth_section (); \
objc_cat_inst_meth_section (); \
objc_cls_meth_section (); \
objc_inst_meth_section (); \
objc_selector_refs_section (); \
objc_symbols_section (); \
objc_category_section (); \
objc_protocol_section (); \
objc_class_vars_section (); \
objc_instance_vars_section (); \
objc_module_info_section (); \
objc_string_object_section (); \
objc_class_names_section (); \
objc_meth_var_names_section (); \
objc_meth_var_types_section (); \
objc_cls_refs_section (); \
} \
}
#undef READONLY_DATA_SECTION
#define READONLY_DATA_SECTION const_section
#undef SELECT_SECTION
#define SELECT_SECTION(exp,reloc,align) \
do \
{ \
if (TREE_CODE (exp) == STRING_CST) \
{ \
if (flag_writable_strings) \
data_section (); \
else if (TREE_STRING_LENGTH (exp) != \
strlen (TREE_STRING_POINTER (exp)) + 1) \
readonly_data_section (); \
else \
cstring_section (); \
} \
else if (TREE_CODE (exp) == INTEGER_CST \
|| TREE_CODE (exp) == REAL_CST) \
{ \
tree size = TYPE_SIZE (TREE_TYPE (exp)); \
\
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, align) \
do \
{ \
if (GET_MODE_SIZE(mode) == 8) \
literal8_section(); \
else if (GET_MODE_SIZE(mode) == 4) \
literal4_section(); \
else \
const_section (); \
} \
while (0)
#ifdef ASM_COMMENT_START
# undef ASM_COMMENT_START
#endif
#define ASM_COMMENT_START ";#"
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