initial commit

1 files changed, 148 insertions, 0 deletions

diff --git a/gcc/config/i386/go32.h b/gcc/config/i386/go32.h
new file mode 100755
index 0000000..cad716e
--- /dev/null
+++ b/gcc/config/i386/go32.h
@@ -0,0 +1,148 @@
+/* Configuration for an i386 running MS-DOS with djgpp/go32.  */
+   Copyright (C) 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.  */
+
+
+#include "dbxcoff.h"
+
+/* 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"
+
+/* Search for as.exe and ld.exe in DJGPP's binary directory. */ 
+#define MD_EXEC_PREFIX "$DJDIR/bin/"
+
+/* 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 -DMSDOS \
+  -Asystem(unix) -Asystem(msdos) -Acpu(i386) -Amachine(i386)"
+
+/* 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,
+   suggested by Robert Hoehne, is to use SUBTARGET_EXTRA_SPECS instead.
+*/ 
+
+#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}}}\
+\t%{static:} %{L*} %D %o\
+\t%{!nostdlib:%{!nodefaultlibs:%G %L %G}}\
+\t%{!A:%{!nostdlib:%{!nostartfiles:%E}}}\
+\t-Tdjgpp.djl %{T*}}}}}}}\n\
+%{!c:%{!M:%{!MM:%{!E:%{!S:stubify %{v} %{o*:%*} %{!o*:a.out} }}}}}"
+ 
+/* 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
+
+#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 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)
+
+/* 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.p2align %d\n", LOG)
+
+/* djgpp has atexit ().  */
+#undef HAVE_ATEXIT
+#define HAVE_ATEXIT
+
+/* djgpp automatically calls its own version of __main, so don't define one
+   in libgcc, nor call one in main().  */
+#define HAS_INIT_SECTION