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Diffstat (limited to 'contrib/gcc/config/i386/cygwin.h')
| -rw-r--r-- | contrib/gcc/config/i386/cygwin.h | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/contrib/gcc/config/i386/cygwin.h b/contrib/gcc/config/i386/cygwin.h deleted file mode 100644 index dbea466bc863..000000000000 --- a/contrib/gcc/config/i386/cygwin.h +++ /dev/null @@ -1,525 +0,0 @@ -/* Operating system specific defines to be used when targeting GCC for - hosting on Windows NT 3.x, using a Unix style C library and tools, - as distinct from winnt.h, which is used to build GCC for use with a - windows style library and tool set and uses the Microsoft tools. - Copyright (C) 1995, 1996, 1997, 1998, 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. */ - -#define YES_UNDERSCORES - -#define DBX_DEBUGGING_INFO -#define SDB_DEBUGGING_INFO -#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG - -#include "i386/gas.h" -#include "dbxcoff.h" - -/* Augment TARGET_SWITCHES with the cygwin/no-cygwin options. */ -#define MASK_WIN32 0x40000000 /* Use -lming32 interface */ -#define MASK_CYGWIN 0x20000000 /* Use -lcygwin interface */ -#define MASK_WINDOWS 0x10000000 /* Use windows interface */ -#define MASK_DLL 0x08000000 /* Use dll interface */ -#define MASK_NOP_FUN_DLLIMPORT 0x20000 /* Ignore dllimport for functions */ - -#define TARGET_WIN32 (target_flags & MASK_WIN32) -#define TARGET_CYGWIN (target_flags & MASK_CYGWIN) -#define TARGET_WINDOWS (target_flags & MASK_WINDOWS) -#define TARGET_DLL (target_flags & MASK_DLL) -#define TARGET_NOP_FUN_DLLIMPORT (target_flags & MASK_NOP_FUN_DLLIMPORT) - -#undef SUBTARGET_SWITCHES -#define SUBTARGET_SWITCHES \ -{ "cygwin", MASK_CYGWIN, "Use the Cygwin interface" }, \ -{ "no-cygwin", MASK_WIN32, "Use the Mingw32 interface" }, \ -{ "windows", MASK_WINDOWS, "Create GUI application" }, \ -{ "console", -MASK_WINDOWS, "Create console application" }, \ -{ "dll", MASK_DLL, "Generate code for a DLL" }, \ -{ "nop-fun-dllimport", MASK_NOP_FUN_DLLIMPORT, "Ignore dllimport for functions" }, \ -{ "no-nop-fun-dllimport", -MASK_NOP_FUN_DLLIMPORT, "" }, - - -/* Support the __declspec keyword by turning them into attributes. - We currently only support: dllimport and dllexport. - Note that the current way we do this may result in a collision with - predefined attributes later on. This can be solved by using one attribute, - say __declspec__, and passing args to it. The problem with that approach - is that args are not accumulated: each new appearance would clobber any - existing args. */ - -#ifdef CPP_PREDEFINES -#undef CPP_PREDEFINES -#endif - -#define CPP_PREDEFINES "-Di386 -D_WIN32 \ - -DWINNT -D_X86_=1 -D__STDC__=1\ - -D__stdcall=__attribute__((__stdcall__)) \ - -D__cdecl=__attribute__((__cdecl__)) \ - -D__declspec(x)=__attribute__((x)) \ - -Asystem(winnt) -Acpu(i386) -Amachine(i386)" - -/* Normally, -lgcc is not needed since everything in it is in the DLL, but we - want to allow things to be added to it when installing new versions of - GCC without making a new CYGWIN.DLL, so we leave it. Profiling is handled - by calling the init function from the prologue. */ - -#undef STARTFILE_SPEC -#define STARTFILE_SPEC "%{mdll: %{mno-cygwin:dllcrt1%O%s}} \ - %{!mdll: %{!mno-cygwin:crt0%O%s} \ - %{mno-cygwin:crt1%O%s} %{pg:gcrt0%O%s}}" - -#undef CPP_SPEC -#define CPP_SPEC "-remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE} \ - %{!mno-cygwin:-D__CYGWIN32__ -D__CYGWIN__} \ - %{mno-cygwin:-iwithprefixbefore \ - ../../../../%(mingw_include_path)/include/mingw32 -D__MINGW32__=0.2}" - -/* This macro defines names of additional specifications to put in the specs - that can be used in various specifications like CC1_SPEC. Its definition - is an initializer with a subgrouping for each command option. - - Each subgrouping contains a string constant, that defines the - specification name, and a string constant that used by the GNU CC driver - program. - - Do not define this macro if it does not need to do anything. */ - -#undef SUBTARGET_EXTRA_SPECS -#define SUBTARGET_EXTRA_SPECS \ - { "mingw_include_path", DEFAULT_TARGET_MACHINE } - -/* We have to dynamic link to get to the system DLLs. All of libc, libm and - the Unix stuff is in cygwin.dll. The import library is called - 'libcygwin.a'. For Windows applications, include more libraries, but - always include kernel32. We'd like to specific subsystem windows to - ld, but that doesn't work just yet. */ - -#undef LIB_SPEC -#define LIB_SPEC "%{pg:-lgmon} \ - %{!mno-cygwin:-lcygwin} \ - %{mno-cygwin:-lmingw32 -lmoldname -lcrtdll} \ - %{mwindows:-lgdi32 -lcomdlg32} \ - -luser32 -lkernel32 -ladvapi32 -lshell32" - -#define LINK_SPEC "%{mwindows:--subsystem windows} \ - %{mconsole:--subsystem console} \ - %{mdll:--dll -e _DllMainCRTStartup@12}" - - -#define SIZE_TYPE "unsigned int" -#define PTRDIFF_TYPE "int" -#define WCHAR_UNSIGNED 1 -#define WCHAR_TYPE_SIZE 16 -#define WCHAR_TYPE "short unsigned int" - -#define HAVE_ATEXIT 1 - - -/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */ -#define HANDLE_PRAGMA_PACK_PUSH_POP 1 - -/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS - is a valid machine specific attribute for DECL. - The attributes in ATTRIBUTES have previously been assigned to DECL. */ -extern int i386_pe_valid_decl_attribute_p (); - -#undef VALID_MACHINE_DECL_ATTRIBUTE -#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \ - i386_pe_valid_decl_attribute_p (DECL, ATTRIBUTES, IDENTIFIER, ARGS) - -/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS - is a valid machine specific attribute for TYPE. - The attributes in ATTRIBUTES have previously been assigned to TYPE. */ - -#undef VALID_MACHINE_TYPE_ATTRIBUTE -#define VALID_MACHINE_TYPE_ATTRIBUTE(TYPE, ATTRIBUTES, IDENTIFIER, ARGS) \ - i386_pe_valid_type_attribute_p (TYPE, ATTRIBUTES, IDENTIFIER, ARGS) -extern int i386_pe_valid_type_attribute_p (); - -extern union tree_node *i386_pe_merge_decl_attributes (); -#define MERGE_MACHINE_DECL_ATTRIBUTES(OLD, NEW) \ - i386_pe_merge_decl_attributes ((OLD), (NEW)) - -/* Used to implement dllexport overriding dllimport semantics. It's also used - to handle vtables - the first pass won't do anything because - DECL_CONTEXT (DECL) will be 0 so i386_pe_dll{ex,im}port_p will return 0. - It's also used to handle dllimport override semantics. */ -#if 0 -#define REDO_SECTION_INFO_P(DECL) \ - ((DECL_MACHINE_ATTRIBUTES (DECL) != NULL_TREE) \ - || (TREE_CODE (DECL) == VAR_DECL && DECL_VIRTUAL_P (DECL))) -#else -#define REDO_SECTION_INFO_P(DECL) 1 -#endif - - -#undef EXTRA_SECTIONS -#define EXTRA_SECTIONS in_ctor, in_dtor, in_drectve - -#undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ - CTOR_SECTION_FUNCTION \ - DTOR_SECTION_FUNCTION \ - DRECTVE_SECTION_FUNCTION \ - SWITCH_TO_SECTION_FUNCTION - -#define CTOR_SECTION_FUNCTION \ -void \ -ctor_section () \ -{ \ - if (in_section != in_ctor) \ - { \ - fprintf (asm_out_file, "\t.section .ctor\n"); \ - in_section = in_ctor; \ - } \ -} - -#define DTOR_SECTION_FUNCTION \ -void \ -dtor_section () \ -{ \ - if (in_section != in_dtor) \ - { \ - fprintf (asm_out_file, "\t.section .dtor\n"); \ - in_section = in_dtor; \ - } \ -} - -#define DRECTVE_SECTION_FUNCTION \ -void \ -drectve_section () \ -{ \ - if (in_section != in_drectve) \ - { \ - fprintf (asm_out_file, "%s\n", "\t.section .drectve\n"); \ - in_section = in_drectve; \ - } \ -} - -/* Switch to SECTION (an `enum in_section'). - - ??? This facility should be provided by GCC proper. - The problem is that we want to temporarily switch sections in - ASM_DECLARE_OBJECT_NAME and then switch back to the original section - afterwards. */ -#define SWITCH_TO_SECTION_FUNCTION \ -void \ -switch_to_section (section, decl) \ - enum in_section section; \ - tree decl; \ -{ \ - switch (section) \ - { \ - case in_text: text_section (); break; \ - case in_data: data_section (); break; \ - case in_named: named_section (decl, NULL, 0); break; \ - case in_ctor: ctor_section (); break; \ - case in_dtor: dtor_section (); break; \ - case in_drectve: drectve_section (); break; \ - default: abort (); break; \ - } \ -} - -#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ - do { \ - ctor_section (); \ - fprintf (FILE, "%s\t", ASM_LONG); \ - assemble_name (FILE, NAME); \ - fprintf (FILE, "\n"); \ - } while (0) - -#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ - do { \ - dtor_section (); \ - fprintf (FILE, "%s\t", ASM_LONG); \ - assemble_name (FILE, NAME); \ - fprintf (FILE, "\n"); \ - } while (0) - -/* Don't allow flag_pic to propagate since gas may produce invalid code - otherwise. */ - -#undef SUBTARGET_OVERRIDE_OPTIONS -#define SUBTARGET_OVERRIDE_OPTIONS \ -do { \ - if (flag_pic) \ - { \ - warning ("-f%s ignored for target (all code is position independent)",\ - (flag_pic > 1) ? "PIC" : "pic"); \ - flag_pic = 0; \ - } \ -} while (0) \ - -/* Define this macro if references to a symbol must be treated - differently depending on something about the variable or - function named by the symbol (such as what section it is in). - - On i386 running Windows NT, modify the assembler name with a suffix - consisting of an atsign (@) followed by string of digits that represents - the number of bytes of arguments passed to the function, if it has the - attribute STDCALL. - - In addition, we must mark dll symbols specially. Definitions of - dllexport'd objects install some info in the .drectve section. - References to dllimport'd objects are fetched indirectly via - _imp__. If both are declared, dllexport overrides. This is also - needed to implement one-only vtables: they go into their own - section and we need to set DECL_SECTION_NAME so we do that here. - Note that we can be called twice on the same decl. */ - -extern void i386_pe_encode_section_info (); - -#ifdef ENCODE_SECTION_INFO -#undef ENCODE_SECTION_INFO -#endif -#define ENCODE_SECTION_INFO(DECL) i386_pe_encode_section_info (DECL) - -/* Utility used only in this file. */ -#define I386_PE_STRIP_ENCODING(SYM_NAME) \ - ((SYM_NAME) + ((SYM_NAME)[0] == '@' ? 3 : 0)) - -/* This macro gets just the user-specified name - out of the string in a SYMBOL_REF. Discard - trailing @[NUM] encoded by ENCODE_SECTION_INFO. */ -#undef STRIP_NAME_ENCODING -#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \ -do { \ - char *_p; \ - char *_name = I386_PE_STRIP_ENCODING (SYMBOL_NAME); \ - for (_p = _name; *_p && *_p != '@'; ++_p) \ - ; \ - if (*_p == '@') \ - { \ - int _len = _p - _name; \ - (VAR) = (char *) alloca (_len + 1); \ - strncpy ((VAR), _name, _len); \ - (VAR)[_len] = '\0'; \ - } \ - else \ - (VAR) = _name; \ -} while (0) - - -/* Output a reference to a label. */ -#undef ASM_OUTPUT_LABELREF -#define ASM_OUTPUT_LABELREF(STREAM, NAME) \ - fprintf (STREAM, "%s%s", USER_LABEL_PREFIX, \ - I386_PE_STRIP_ENCODING (NAME)) \ - -/* Output a common block. */ -#undef ASM_OUTPUT_COMMON -#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \ -do { \ - if (i386_pe_dllexport_name_p (NAME)) \ - i386_pe_record_exported_symbol (NAME); \ - if (! i386_pe_dllimport_name_p (NAME)) \ - { \ - fprintf ((STREAM), "\t.comm\t"); \ - assemble_name ((STREAM), (NAME)); \ - fprintf ((STREAM), ", %d\t%s %d\n", \ - (ROUNDED), ASM_COMMENT_START, (SIZE)); \ - } \ -} while (0) - -/* Output the label for an initialized variable. */ -#undef ASM_DECLARE_OBJECT_NAME -#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \ -do { \ - if (i386_pe_dllexport_name_p (NAME)) \ - i386_pe_record_exported_symbol (NAME); \ - ASM_OUTPUT_LABEL ((STREAM), (NAME)); \ -} while (0) - - -/* Emit code to check the stack when allocating more that 4000 - bytes in one go. */ - -#define CHECK_STACK_LIMIT 4000 - -/* By default, target has a 80387, uses IEEE compatible arithmetic, - and returns float values in the 387 and needs stack probes */ -#undef TARGET_DEFAULT - -#define TARGET_DEFAULT \ - (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE) - -/* This is how to output an assembler line - that says to advance the location counter - to a multiple of 2**LOG bytes. */ - -#undef ASM_OUTPUT_ALIGN -#define ASM_OUTPUT_ALIGN(FILE,LOG) \ - if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG)) - -/* Define this macro if in some cases global symbols from one translation - unit may not be bound to undefined symbols in another translation unit - without user intervention. For instance, under Microsoft Windows - symbols must be explicitly imported from shared libraries (DLLs). */ -#define MULTIPLE_SYMBOL_SPACES - -#define UNIQUE_SECTION_P(DECL) DECL_ONE_ONLY (DECL) -extern void i386_pe_unique_section (); -#define UNIQUE_SECTION(DECL,RELOC) i386_pe_unique_section (DECL, RELOC) - -#define SUPPORTS_ONE_ONLY 1 - -/* A C statement to output something to the assembler file to switch to section - NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or - NULL_TREE. Some target formats do not support arbitrary sections. Do not - define this macro in such cases. */ -#undef ASM_OUTPUT_SECTION_NAME -#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC) \ -do { \ - static struct section_info \ - { \ - struct section_info *next; \ - char *name; \ - enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type; \ - } *sections; \ - struct section_info *s; \ - char *mode; \ - enum sect_enum type; \ - \ - for (s = sections; s; s = s->next) \ - if (!strcmp (NAME, s->name)) \ - break; \ - \ - if (DECL && TREE_CODE (DECL) == FUNCTION_DECL) \ - type = SECT_EXEC, mode = "x"; \ - else if (DECL && DECL_READONLY_SECTION (DECL, RELOC)) \ - type = SECT_RO, mode = ""; \ - else \ - type = SECT_RW, mode = "w"; \ - \ - if (s == 0) \ - { \ - s = (struct section_info *) xmalloc (sizeof (struct section_info)); \ - s->name = xmalloc ((strlen (NAME) + 1) * sizeof (*NAME)); \ - strcpy (s->name, NAME); \ - s->type = type; \ - s->next = sections; \ - sections = s; \ - fprintf (STREAM, ".section\t%s,\"%s\"\n", NAME, mode); \ - /* Functions may have been compiled at various levels of \ - optimization so we can't use `same_size' here. Instead, \ - have the linker pick one. */ \ - if ((DECL) && DECL_ONE_ONLY (DECL)) \ - fprintf (STREAM, "\t.linkonce %s\n", \ - TREE_CODE (DECL) == FUNCTION_DECL \ - ? "discard" : "same_size"); \ - } \ - else \ - { \ - fprintf (STREAM, ".section\t%s,\"%s\"\n", NAME, mode); \ - } \ -} while (0) - -/* Write the extra assembler code needed to declare a function - properly. If we are generating SDB debugging information, this - will happen automatically, so we only need to handle other cases. */ -#undef ASM_DECLARE_FUNCTION_NAME -#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ - do \ - { \ - if (i386_pe_dllexport_name_p (NAME)) \ - i386_pe_record_exported_symbol (NAME); \ - if (write_symbols != SDB_DEBUG) \ - i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \ - ASM_OUTPUT_LABEL (FILE, NAME); \ - } \ - while (0) - -/* Add an external function to the list of functions to be declared at - the end of the file. */ -#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ - do \ - { \ - if (TREE_CODE (DECL) == FUNCTION_DECL) \ - i386_pe_record_external_function (NAME); \ - } \ - while (0) - -/* Declare the type properly for any external libcall. */ -#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ - i386_pe_declare_function_type (FILE, XSTR (FUN, 0), 1) - -/* Output function declarations at the end of the file. */ -#define ASM_FILE_END(FILE) \ - i386_pe_asm_file_end (FILE) - -#undef ASM_COMMENT_START -#define ASM_COMMENT_START " #" - -/* DWARF2 Unwinding doesn't work with exception handling yet. */ -#define DWARF2_UNWIND_INFO 0 - -/* Don't assume anything about the header files. */ -#define NO_IMPLICIT_EXTERN_C - -#define SUBTARGET_PROLOGUE \ - if (profile_flag \ - && strcmp (IDENTIFIER_POINTER (DECL_NAME (current_function_decl)),\ - "main") == 0) \ - { \ - rtx xops[1]; \ - xops[0] = gen_rtx_MEM (FUNCTION_MODE, \ - gen_rtx (SYMBOL_REF, Pmode, "_monstartup")); \ - if (do_rtl) \ - emit_call_insn (gen_rtx (CALL, VOIDmode, xops[0], const0_rtx)); \ - else \ - output_asm_insn (AS1 (call,%P1), xops); \ - } - -/* External function declarations. */ - -#ifndef PROTO -#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) -#define PROTO(ARGS) ARGS -#else -#define PROTO(ARGS) () -#endif -#endif - -#ifdef BUFSIZ /* stdio.h has been included, ok to use FILE * */ -#define STDIO_PROTO(ARGS) PROTO(ARGS) -#else -#define STDIO_PROTO(ARGS) () -#endif - -extern void i386_pe_record_external_function PROTO((char *)); -extern void i386_pe_declare_function_type STDIO_PROTO((FILE *, char *, int)); -extern void i386_pe_record_exported_symbol PROTO((char *)); -extern void i386_pe_asm_file_end STDIO_PROTO((FILE *)); - -/* For Win32 ABI compatibility */ -#undef DEFAULT_PCC_STRUCT_RETURN -#define DEFAULT_PCC_STRUCT_RETURN 0 - -/* No data type wants to be aligned rounder than this. */ -#undef BIGGEST_ALIGNMENT -#define BIGGEST_ALIGNMENT 128 - -/* A bitfield declared as `int' forces `int' alignment for the struct. */ -#undef PCC_BITFIELDS_TYPE_MATTERS -#define PCC_BITFIELDS_TYPE_MATTERS 0 - -/* Enable alias attribute support. */ -#ifndef SET_ASM_OP -#define SET_ASM_OP "\t.set" -#endif - |