/* Configuration for an i386 running MS-DOS with DJGPP.
- Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005,
+ 2007 Free Software Foundation, 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)
+the Free Software Foundation; either version 3, 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
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+/* Support generation of DWARF2 debugging info. */
+#define DWARF2_DEBUGGING_INFO 1
-#include "dbxcoff.h"
-
-/* Don't assume anything about the header files. */
+/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
-#define HANDLE_SYSV_PRAGMA
+#define HANDLE_SYSV_PRAGMA 1
/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */
#define HANDLE_PRAGMA_PACK_PUSH_POP 1
-#define YES_UNDERSCORES
-
-#include "i386/gas.h"
-
/* If defined, a C expression whose value is a string containing the
assembler operation to identify the following data as
uninitialized global data. If not defined, and neither
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
-/* Define the name of the .ctor section. */
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP "\t.section .ctor"
-
/* Define the name of the .data section. */
#undef DATA_SECTION_ASM_OP
#define DATA_SECTION_ASM_OP "\t.section .data"
-/* Define the name of the .dtor section. */
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP "\t.section .dtor"
-
-/* Define the name of the .eh_frame section. */
-#undef EH_FRAME_SECTION_ASM_OP
-#define EH_FRAME_SECTION_ASM_OP "\t.section .eh_frame"
-
/* Define the name of the .ident op. */
#undef IDENT_ASM_OP
-#define IDENT_ASM_OP "\t.ident"
-
-/* Define the name of the .int op. */
-#undef INT_ASM_OP
-#define INT_ASM_OP "\t.long"
+#define IDENT_ASM_OP "\t.ident\t"
/* Enable alias attribute support. */
#ifndef SET_ASM_OP
-#define SET_ASM_OP "\t.set"
+#define SET_ASM_OP "\t.set\t"
#endif
/* Define the name of the .text section. */
#undef TEXT_SECTION_ASM_OP
#define TEXT_SECTION_ASM_OP "\t.section .text"
-/* Search for as.exe and ld.exe in DJGPP's binary directory. */
-#define MD_EXEC_PREFIX "$DJDIR/bin/"
+/* Define standard DJGPP installation paths. */
+/* We override default /usr or /usr/local part with /dev/env/DJDIR which */
+/* points to actual DJGPP installation directory. */
+
+/* Standard include directory */
+#undef STANDARD_INCLUDE_DIR
+#define STANDARD_INCLUDE_DIR "/dev/env/DJDIR/include/"
+
+/* Search for as.exe and ld.exe in DJGPP's binary directory. */
+#undef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX "/dev/env/DJDIR/bin/"
+
+/* Standard DJGPP library and startup files */
+#undef MD_STARTFILE_PREFIX
+#define MD_STARTFILE_PREFIX "/dev/env/DJDIR/lib/"
/* Correctly handle absolute filename detection in cp/xref.c */
#define FILE_NAME_ABSOLUTE_P(NAME) \
(((NAME)[0] == '/') || ((NAME)[0] == '\\') || \
(((NAME)[0] >= 'A') && ((NAME)[0] <= 'z') && ((NAME)[1] == ':')))
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-DGO32 -DDJGPP=2 -D__MSDOS__ -Asystem(msdos)"
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define_std ("MSDOS"); \
+ builtin_define_std ("GO32"); \
+ builtin_assert ("system=msdos"); \
+ } \
+ while (0)
/* Include <sys/version.h> so __DJGPP__ and __DJGPP_MINOR__ are defined. */
#undef CPP_SPEC
-#define CPP_SPEC "-remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE} \
+#define CPP_SPEC "-remap %{posix:-D_POSIX_SOURCE} \
-imacros %s../include/sys/version.h"
/* We need to override link_command_spec in gcc.c so support -Tdjgpp.djl.
unless user explicitly requests it. */
#undef LOCAL_INCLUDE_DIR
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_ctor, in_dtor
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- CTOR_SECTION_FUNCTION \
- DTOR_SECTION_FUNCTION
-
-#define CTOR_SECTION_FUNCTION \
-void \
-ctor_section () \
-{ \
- if (in_section != in_ctor) \
- { \
- fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
- in_section = in_ctor; \
- } \
-}
-
-#define DTOR_SECTION_FUNCTION \
-void \
-dtor_section () \
-{ \
- if (in_section != in_dtor) \
- { \
- fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
- in_section = in_dtor; \
- } \
-}
-
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
- do { \
- ctor_section (); \
- fprintf (FILE, "%s\t", ASM_LONG); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-/* Allow (eg) __attribute__((section "locked")) to work */
-#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC)\
- do { \
- fprintf (FILE, "\t.section %s\n", NAME); \
- } 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)
-
-/* Output at beginning of assembler file. */
-/* The .file command should always begin the output. */
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
- do { \
- output_file_directive (FILE, main_input_filename); \
- } while (0)
+/* Switch into a generic section. */
+#define TARGET_ASM_NAMED_SECTION default_coff_asm_named_section
/* This is how to output an assembler line
that says to advance the location counter
in libgcc, nor call one in main(). */
#define HAS_INIT_SECTION
-/* Definitions to set wchar_t type to 'unsigned short int' to help out
- add-on Windows compilers for DJGPP. */
-#define WCHAR_UNSIGNED 1
+/* Definitions for types and sizes. Wide characters are 16-bits long so
+ Win32 compiler add-ons will be wide character compatible. */
+#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
+
+#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
-/* Used to be defined in xm-djgpp.h, but moved here for cross-compilers. */
-#define LIBSTDCXX "-lstdcxx"
+#undef WINT_TYPE
+#define WINT_TYPE "int"
-/* Add command line option -mbnu210 to indicate we can use binutil 2.10's features. */
-#undef MASK_BNU210
-#define MASK_BNU210 (0x40000000)
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- { "bnu210", MASK_BNU210, "Enable weak symbol and enhanced C++ template support. Binutils 2.9.5.1 or higher required." }, \
- { "no-bnu210", -MASK_BNU210, "Disable weak symbol and enhanced C++ template support." },
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
-/* Weak symbols and .gnu.linkonce are only in the binutils snapshots
- and binutils-2.10. So do it only when -mbnu210 is specified. */
-#undef SUPPORTS_WEAK
-#define SUPPORTS_WEAK (target_flags & MASK_BNU210)
+/* Used to be defined in xm-djgpp.h, but moved here for cross-compilers. */
+#define LIBSTDCXX "-lstdcxx"
-#undef SUPPORTS_ONE_ONLY
-#define SUPPORTS_ONE_ONLY (target_flags & MASK_BNU210)
+#define TARGET_VERSION fprintf (stderr, " (80386, MS-DOS DJGPP)");
+
+/* Warn that -mbnu210 is now obsolete. */
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS \
+do \
+ { \
+ if (TARGET_BNU210) \
+ { \
+ warning (0, "-mbnu210 is ignored (option is obsolete)"); \
+ } \
+ } \
+while (0)
/* Support for C++ templates. */
#undef MAKE_DECL_ONE_ONLY
#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
-
-/* Additional support for C++ templates and support for
- garbage collection. */
-#undef UNIQUE_SECTION_P
-#define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))
-
-#undef UNIQUE_SECTION
-#define UNIQUE_SECTION(DECL,RELOC) \
-do { \
- int len; \
- char *name, *string, *prefix; \
- \
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
- \
- if (! DECL_ONE_ONLY (DECL)) \
- { \
- if (TREE_CODE (DECL) == FUNCTION_DECL) \
- prefix = ".text."; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- prefix = ".rodata."; \
- else \
- prefix = ".data."; \
- } \
- else if (TREE_CODE (DECL) == FUNCTION_DECL) \
- prefix = ".gnu.linkonce.t."; \
- else if (DECL_READONLY_SECTION (DECL, RELOC)) \
- prefix = ".gnu.linkonce.r."; \
- else \
- prefix = ".gnu.linkonce.d."; \
- \
- len = strlen (name) + strlen (prefix); \
- string = alloca (len + 1); \
- sprintf (string, "%s%s", prefix, name); \
- \
- DECL_SECTION_NAME (DECL) = build_string (len, string); \
-} while (0)
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