/* Configuration for an i386 running MS-DOS with DJGPP.
- Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2007,
+ 2010 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
-
-/* 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"
-
-/* Define the name of the .text section. */
-#undef TEXT_SECTION_ASM_OP
-#define TEXT_SECTION_ASM_OP "\t.section .text"
-
-/* Define the name of the .data section. */
-#undef DATA_SECTION_ASM_OP
-#define DATA_SECTION_ASM_OP "\t.section .data"
-
/* 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
`-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
used. */
#undef BSS_SECTION_ASM_OP
-#define BSS_SECTION_ASM_OP "\t.section .bss"
-
-/* Define the name of the .ctor section. */
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP "\t.section .ctor"
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
/* Define the name of the .data section. */
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP "\t.section .dtor"
+#undef DATA_SECTION_ASM_OP
+#define DATA_SECTION_ASM_OP "\t.section .data"
+
+/* Define the name of the .ident op. */
+#undef IDENT_ASM_OP
+#define IDENT_ASM_OP "\t.ident\t"
/* Enable alias attribute support. */
-#undef SET_ASM_OP
-#define SET_ASM_OP "\t.set"
+#ifndef SET_ASM_OP
+#define SET_ASM_OP "\t.set\t"
+#endif
-/* Define the name of the .init section. */
-#undef INIT_SECTION_ASM_OP
-#define INIT_SECTION_ASM_OP "\t.section .init"
+/* Define the name of the .text section. */
+#undef TEXT_SECTION_ASM_OP
+#define TEXT_SECTION_ASM_OP "\t.section .text"
-/* Define the name of the .fini section. */
-#undef FINI_SECTION_ASM_OP
-#define FINI_SECTION_ASM_OP "\t.section .fini"
+/* Define standard DJGPP installation paths. */
+/* We override default /usr or /usr/local part with /dev/env/DJDIR which */
+/* points to actual DJGPP installation directory. */
-/* Define the name of the .eh_frame section. */
-#undef EH_FRAME_SECTION_ASM_OP
-#define EH_FRAME_SECTION_ASM_OP "\t.section .eh_frame"
+/* 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. */
-#define MD_EXEC_PREFIX "$DJDIR/bin/"
+/* 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] == ':')))
-#ifdef CPP_PREDEFINES
-#undef CPP_PREDEFINES
-#endif
-#define CPP_PREDEFINES "-Dunix -Di386 -DGO32 -DDJGPP=2 -DMSDOS \
- -Asystem(unix) -Asystem(msdos) -Acpu(i386) -Amachine(i386)"
-
-/* We need to override link_command_spec in gcc.c to call stubify.exe.
+#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 %{posix:-D_POSIX_SOURCE} \
+ -imacros %s../include/sys/version.h"
+
+/* We need to override link_command_spec in gcc.c so support -Tdjgpp.djl.
This cannot be done in LINK_SPECS as that LINK_SPECS is processed
before library search directories are known by the linker.
This avoids problems when specs file is not available. An alternate way,
#undef LINK_COMMAND_SPEC
#define LINK_COMMAND_SPEC \
"%{!fsyntax-only: \
-%{!c:%{!M:%{!MM:%{!E:%{!S:%(linker) %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} \
-\t%{r} %{s} %{t} %{u*} %{x} %{z} %{Z}\
-\t%{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
+%{!c:%{!M:%{!MM:%{!E:%{!S:%(linker) %l %X %{o*} %{e*} %{N} %{n} \
+\t%{r} %{s} %{t} %{u*} %{z} %{Z}\
+\t%{!nostdlib:%{!nostartfiles:%S}}\
\t%{static:} %{L*} %D %o\
\t%{!nostdlib:%{!nodefaultlibs:%G %L %G}}\
-\t%{!A:%{!nostdlib:%{!nostartfiles:%E}}}\
-\t%{T*}}}}}}}\n\
+\t%{!nostdlib:%{!nostartfiles:%E}}\
+\t-Tdjgpp.djl %{T*}}}}}}}\n\
%{!c:%{!M:%{!MM:%{!E:%{!S:stubify %{v} %{o*:%*} %{!o*:a.out} }}}}}"
/* Always just link in 'libc.a'. */
/* Pick the right startup code depending on the -pg flag. */
#undef STARTFILE_SPEC
-#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:crt0.o%s} crtbegin.o%s"
-
-/* Link in crtbegin.o and crtend.o for calling functions with the
- constructor and destructor attribute. Put the call to the
- linker script here, and in front of crtend.o, or else the
- resulting .exe won't have any symbols. */
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "-Tdjgpp.djl crtend.o%s"
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:crt0.o%s}"
/* Make sure that gcc will not look for .h files in /usr/local/include
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
-
-#undef CTOR_SECTION_FUCTION
-#define CTOR_SECTION_FUNCTION \
-void \
-ctor_section () \
-{ \
- if (in_section != in_ctor) \
- { \
- fprintf (asm_out_file, "\t.section .ctor\n"); \
- in_section = in_ctor; \
- } \
-}
-
-#undef DTOR_SECTION_FUNCTION
-#define DTOR_SECTION_FUNCTION \
-void \
-dtor_section () \
-{ \
- if (in_section != in_dtor) \
- { \
- fprintf (asm_out_file, "\t.section .dtor\n"); \
- in_section = in_dtor; \
- } \
-}
-
-#undef ASM_OUTPUT_CONSTRUCTOR
-#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 */
-#undef ASM_OUTPUT_SECTION_NAME
-#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC)\
- do { \
- fprintf (FILE, "\t.section %s\n", NAME); \
- } while (0)
-
-#undef ASM_OUTPUT_DESTRUCTOR
-#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
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))
-/* Define how DJGPP calls function pointers in the .ctor section. */
-#undef DO_GLOBAL_CTORS_BODY
-#define DO_GLOBAL_CTORS_BODY \
- do { \
- func_ptr *p; \
- for (p = __CTOR_LIST__ + 1; *p ; p++) \
- (*p) (); \
- } while (0)
-
-/* Use the .fini section for destructors. */
-#define CRTSTUFF_USE_FINI_SECTION
-
+/* This is how to tell assembler that a symbol is weak */
+#undef ASM_WEAKEN_LABEL
+#define ASM_WEAKEN_LABEL(FILE,NAME) \
+ do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); } while (0)
+
+/* djgpp automatically calls its own version of __main, so don't define one
+ in libgcc, nor call one in main(). */
+#define HAS_INIT_SECTION
+
+/* 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"
+
+#undef WINT_TYPE
+#define WINT_TYPE "int"
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+/* Used to be defined in xm-djgpp.h, but moved here for cross-compilers. */
+#define LIBSTDCXX "stdcxx"
+
+#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)
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