Virgin import of gcc from EGCS 1.1.2

1 files changed, 47 insertions, 20 deletions

diff --git a/contrib/gcc/config/linux.h b/contrib/gcc/config/linux.h
index c82cfe2..b619d01 100644
--- a/contrib/gcc/config/linux.h
+++ b/contrib/gcc/config/linux.h
@@ -1,7 +1,7 @@
-/* Definitions for Linux with ELF format
-   Copyright (C) 1995 Free Software Foundation, Inc.
+/* Definitions for Linux-based GNU systems with ELF format
+   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    Contributed by Eric Youngdale.
-   Modified for stabs-in-ELF by H.J. Lu.
+   Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
 
 This file is part of GNU CC.
 
@@ -26,7 +26,7 @@ Boston, MA 02111-1307, USA.  */
 #undef HAVE_ATEXIT
 #define HAVE_ATEXIT
 
-/* Linux uses ctype from glibc.a. I am not sure how complete it is.
+/* GNU/Linux uses ctype from glibc.a. I am not sure how complete it is.
    For now, we play safe. It may change later. */
 
 #if 0
@@ -34,18 +34,16 @@ Boston, MA 02111-1307, USA.  */
 #define MULTIBYTE_CHARS 1
 #endif
 
-/* There are conflicting reports about whether this system uses
-   a different assembler syntax.  wilson@cygnus.com says # is right.  */
-#undef COMMENT_BEGIN
-#define COMMENT_BEGIN "#"
-
 #undef ASM_APP_ON
 #define ASM_APP_ON "#APP\n"
 
 #undef ASM_APP_OFF
 #define ASM_APP_OFF "#NO_APP\n"
 
+#define SET_ASM_OP	".set"
+
 /* Use stabs instead of DWARF debug format.  */
+#undef PREFERRED_DEBUGGING_TYPE
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
 #include "svr4.h"
 
@@ -61,28 +59,57 @@ Boston, MA 02111-1307, USA.  */
 	fprintf (FILE, "\t.version\t\"01.01\"\n");			\
   } while (0)
 
-#undef	LIBGCC_SPEC
-#define LIBGCC_SPEC \
-  "%{!shared:-lgcc}"
-
-
-/* Provide a STARTFILE_SPEC appropriate for Linux.  Here we add
-   the Linux magical crtbegin.o file (see crtstuff.c) which
+/* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
+   the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
    provides part of the support for getting C++ file-scope static
    object constructed before entering `main'. */
    
 #undef	STARTFILE_SPEC
 #define STARTFILE_SPEC \
   "%{!shared: \
-     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
+     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
+		       %{!p:%{profile:gcrt1.o%s} \
+			 %{!profile:crt1.o%s}}}} \
    crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
 
-/* Provide a ENDFILE_SPEC appropriate for Linux.  Here we tack on
-   the Linux magical crtend.o file (see crtstuff.c) which
+/* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
+   the GNU/Linux magical crtend.o file (see crtstuff.c) which
    provides part of the support for getting C++ file-scope static
    object constructed before entering `main', followed by a normal
-   Linux "finalizer" file, `crtn.o'.  */
+   GNU/Linux "finalizer" file, `crtn.o'.  */
 
 #undef	ENDFILE_SPEC
 #define ENDFILE_SPEC \
   "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+
+/* This is for -profile to use -lc_p instead of -lc. */
+#ifndef CC1_SPEC
+#define CC1_SPEC "%{profile:-p}"
+#endif
+
+#ifndef USE_GNULIBC_1
+#undef DEFAULT_VTABLE_THUNKS
+#define DEFAULT_VTABLE_THUNKS 1
+#endif
+
+#undef	LIB_SPEC
+/* We no longer link with libc_p.a or libg.a by default. If you
+   want to profile or debug the GNU/Linux C library, please add
+   -profile or -ggdb to LDFLAGS at the link time, respectively. */
+#if 1
+#ifdef USE_GNULIBC_1
+#define LIB_SPEC \
+  "%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \
+     %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}"
+#else
+#define LIB_SPEC \
+  "%{shared: -lc} \
+   %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
+	%{profile:-lc_p} %{!profile: -lc}}"
+#endif
+#else
+#define LIB_SPEC \
+  "%{!shared: \
+     %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
+       %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}"
+#endif