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- /* nextstep.h -- operating system specific defines to be used when
- targeting GCC for NeXTSTEP.
- Copyright (C) 1989, 1990, 1991, 1992, 1993 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, 675 Mass Ave, Cambridge, MA 02139, 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, 1}, \
- { LOCAL_INCLUDE_DIR, 0}, \
- { TOOL_INCLUDE_DIR, 0 }, \
- { GCC_INCLUDE_DIR, 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 }, \
- { GCC_INCLUDE_DIR "/bsd", 0 }, \
- { "/NextDeveloper/Headers", 0}, \
- { "/NextDeveloper/Headers/ansi", 0}, \
- { "/NextDeveloper/Headers/bsd", 0}, \
- { "/LocalDeveloper/Headers", 0}, \
- { "/LocalDeveloper/Headers/ansi", 0}, \
- { "/LocalDeveloper/Headers/bsd", 0}, \
- { "/NextDeveloper/2.0CompatibleHeaders", 0}, \
- { STANDARD_INCLUDE_DIR, 0}, \
- { "/usr/include/bsd", 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
-
- /* We have atexit. */
-
- #define HAVE_ATEXIT
-
- /* 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}}}"
-
- /* Why not? */
-
- #undef DOLLARS_IN_IDENTIFIERS
- #define DOLLARS_IN_IDENTIFIERS 2
-
- /* 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)
-
- /* Don't use .gcc_compiled symbols to communicate with GDB;
- They interfere with numerically sorted symbol lists. */
-
- #undef ASM_IDENTIFY_GCC
- #define ASM_IDENTIFY_GCC(asm_out_file)
- #undef INIT_SECTION_ASM_OP
- #define INIT_SECTION_ASM_OP
- #undef INVOKE__main
-
- #undef ASM_OUTPUT_CONSTRUCTOR
- #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
- do { constructor_section (); \
- ASM_OUTPUT_ALIGN (FILE, 1); \
- fprintf (FILE, "\t.long "); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- fprintf (FILE, ".reference .constructors_used\n"); \
- } while (0)
-
- #undef ASM_OUTPUT_DESTRUCTOR
- #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
- do { destructor_section (); \
- ASM_OUTPUT_ALIGN (FILE, 1); \
- fprintf (FILE, "\t.long "); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- fprintf (FILE, ".reference .destructors_used\n"); \
- } while (0)
-
- /* 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 { \
- extern char *language_string; \
- if (strcmp (language_string, "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(finput) handle_pragma (finput, &get_directive_line)
-
- /* 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)
-
- /* 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 fprintf (FILE, "_%s", NAME); } while (0)
-
- #undef ALIGN_ASM_OP
- #define ALIGN_ASM_OP ".align"
-
- #undef ASM_OUTPUT_ALIGN
- #define ASM_OUTPUT_ALIGN(FILE,LOG) \
- if ((LOG) != 0) \
- fprintf (FILE, "\t%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) \
- void \
- FUNCTION () \
- { \
- extern void text_section (); \
- extern void objc_section_init (); \
- 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_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 \
- 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 (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) \
- 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_READONLY (exp) || TREE_CONSTANT (exp)) \
- && !TREE_SIDE_EFFECTS (exp)) \
- readonly_data_section (); \
- else \
- 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)
-