FSF GCC version 2.7.2

1 files changed, 180 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/config/lynx.h b/gnu/usr.bin/gcc/config/lynx.h
new file mode 100644
index 00000000000..04919d4cc9b
--- /dev/null
+++ b/gnu/usr.bin/gcc/config/lynx.h
@@ -0,0 +1,180 @@
+/* Target independent definitions for LynxOS.
+   Copyright (C) 1993, 1994, 1995 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.  */
+
+/* LynxOS is a multi-platform Unix, similar to SVR3, but not identical.
+   We can get quite a bit from generic svr3, but have to do some overrides. */
+
+#include "svr3.h"
+
+/* Define various macros, depending on the combination of flags. */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{mthreads:-D_MULTITHREADED}  \
+  %{mposix:-D_POSIX_SOURCE}  \
+  %{msystem-v:-I/usr/include_v}"
+
+/* No asm spec needed, since using GNU assembler always. */
+
+/* No linker spec needed, since using GNU linker always. */
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{mthreads:-L/lib/thread/}  \
+  %{msystem-v:-lc_v}  \
+  %{!msystem-v:%{mposix:-lc_p} -lc -lm}"
+
+/* Set the appropriate names for the Lynx startfiles. */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{p:%{mthreads:thread/pinit1.o%s}%{!mthreads:pinit1.o%s}}%{!p:%{msystem-v:vinit1.o%s -e_start}%{!msystem-v:%{mthreads:thread/init1.o%s}%{!mthreads:init1.o%s}}}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{p:_etext.o%s}%{!p:initn.o%s}"
+
+/* Override the svr3 versions. */
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+
+/* We want to output DBX (stabs) debugging information normally.  */
+
+#define DBX_DEBUGGING_INFO
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+/* It is convenient to be able to generate standard coff debugging
+   if requested via -gcoff. */
+
+#define SDB_DEBUGGING_INFO
+
+/* Be function-relative for block and source line stab directives. */
+
+#define DBX_BLOCKS_FUNCTION_RELATIVE 1
+
+/* but, to make this work, functions must appear prior to line info */
+
+#define DBX_FUNCTION_FIRST
+
+/* Generate a blank trailing N_SO to mark the end of the .o file, since
+   we can't depend upon the linker to mark .o file boundaries with
+   embedded stabs.  */
+
+#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME)			\
+  fprintf (FILE,							\
+	   "\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO)
+
+#undef  ASM_OUTPUT_SOURCE_LINE
+#define ASM_OUTPUT_SOURCE_LINE(file, line)		\
+  { static int sym_lineno = 1;				\
+    fprintf (file, ".stabn 68,0,%d,.LM%d-",		\
+	     line, sym_lineno);				\
+    assemble_name (file,				\
+		   XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
+    fprintf (file, "\n.LM%d:\n", sym_lineno);		\
+    sym_lineno += 1; }
+
+/* Handle #pragma pack and sometimes #pragma weak.  */
+
+#define HANDLE_SYSV_PRAGMA
+
+/* Some additional command-line options. */
+
+#define TARGET_THREADS	(target_flags & MASK_THREADS)
+#define MASK_THREADS	0x40000000
+
+#define TARGET_POSIX	(target_flags & MASK_POSIX)
+#define MASK_POSIX	0x20000000
+
+#define TARGET_SYSTEM_V	(target_flags & MASK_SYSTEM_V)
+#define MASK_SYSTEM_V	0x10000000
+
+#undef SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES \
+    {"threads",		MASK_THREADS},		\
+    {"posix",		MASK_POSIX},		\
+    {"system-v",	MASK_SYSTEM_V},
+
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS \
+do {								\
+  if (TARGET_SYSTEM_V && profile_flag)				\
+    warning ("-msystem-v and -p are incompatible");		\
+  if (TARGET_SYSTEM_V && TARGET_THREADS)			\
+    warning ("-msystem-v and -mthreads are incompatible");	\
+} while (0)
+
+/* Define this so that C++ destructors will use atexit, since LynxOS
+   calls exit after main returns.  */
+
+#define HAVE_ATEXIT
+
+/* Since init.o et al put all sorts of stuff into the init section,
+   we can't use the standard init section support in crtbegin.o. */
+
+#undef INIT_SECTION_ASM_OP
+
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_const, in_bss, in_ctors, in_dtors, in_fini,
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS					\
+  CONST_SECTION_FUNCTION					\
+  BSS_SECTION_FUNCTION						\
+  CTORS_SECTION_FUNCTION					\
+  DTORS_SECTION_FUNCTION					\
+  FINI_SECTION_FUNCTION
+
+#undef CTORS_SECTION_ASM_OP
+#define CTORS_SECTION_ASM_OP	".section\t.ctors"
+#undef DTORS_SECTION_ASM_OP
+#define DTORS_SECTION_ASM_OP	".section\t.dtors"
+
+#define INT_ASM_OP		".long"
+
+/* A C statement (sans semicolon) to output an element in the table of
+   global constructors.  */
+#undef ASM_OUTPUT_CONSTRUCTOR
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)				\
+  do {									\
+    ctors_section ();							\
+    fprintf (FILE, "\t%s\t ", INT_ASM_OP);				\
+    assemble_name (FILE, NAME);						\
+    fprintf (FILE, "\n");						\
+  } while (0)
+
+/* A C statement (sans semicolon) to output an element in the table of
+   global destructors.  */
+#undef ASM_OUTPUT_DESTRUCTOR
+#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)       				\
+  do {									\
+    dtors_section ();                   				\
+    fprintf (FILE, "\t%s\t ", INT_ASM_OP);				\
+    assemble_name (FILE, NAME);              				\
+    fprintf (FILE, "\n");						\
+  } while (0)
+
+#undef DO_GLOBAL_CTORS_BODY
+#undef DO_GLOBAL_DTORS_BODY
+
+/* LynxOS doesn't have mcount. */
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(file, profile_label_no)