update configuration for elf: remove ecoff markers, handle alpha assembler

peculiarities, set up correct init/fini code for elf.

1 files changed, 23 insertions, 61 deletions

diff --git a/gnu/egcs/gcc/config/alpha/openbsd.h b/gnu/egcs/gcc/config/alpha/openbsd.h
index 60591d554f5..40c06241c9a 100644
--- a/gnu/egcs/gcc/config/alpha/openbsd.h
+++ b/gnu/egcs/gcc/config/alpha/openbsd.h
@@ -22,15 +22,13 @@ Boston, MA 02111-1307, USA.  */
 #define TARGET_ENDIAN_DEFAULT 0
 
 #include <alpha/alpha.h>
+#include <alpha/elf.h>
 
 #define OBSD_NO_DYNAMIC_LIBRARIES
 #define OBSD_HAS_DECLARE_FUNCTION_NAME
 #define OBSD_HAS_DECLARE_FUNCTION_SIZE
 #define OBSD_HAS_DECLARE_OBJECT
 
-/* alpha ecoff supports only weak aliases, see below.  */
-#define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0)
-
 #include <openbsd.h>
 
 /* Controlling the compilation driver.  */
@@ -40,9 +38,17 @@ Boston, MA 02111-1307, USA.  */
 #define LINK_SPEC \
   "%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{assert*}"
 
+/* As an elf system, we need crtbegin/crtend stuff.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+	%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
+	crtbegin%O%s} %{shared:crtbeginS%O%s}"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
 /* run-time target specifications */
 #define CPP_PREDEFINES "-D__unix__ -D__ANSI_COMPAT -Asystem(unix) \
--D__OpenBSD__ -D__alpha__ -D__alpha"
+-D__OpenBSD__ -D__alpha__ -D__alpha -D__ELF__"
 
 /* Layout of source language data types.  */
 
@@ -63,64 +69,20 @@ Boston, MA 02111-1307, USA.  */
 #undef PREFERRED_DEBUGGING_TYPE
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
 
+/* Output and generation of labels.  */
 #define LOCAL_LABEL_PREFIX	"."
 
-/* We don't have an init section yet.  */
-#undef HAS_INIT_SECTION
-
-/* collect2 support (assembler format: macros for initialization).  */
-
-/* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld
-   library with the proper functions to handle this -> collect2 will
-   default to using nm.  */
-#undef OBJECT_FORMAT_COFF
-#undef EXTENDED_COFF
-
-/* Assembler format: exception region output.  */
-
-/* All configurations that don't use elf must be explicit about not using
-   dwarf unwind information. egcs doesn't try too hard to check internal
-   configuration files...  */
-#ifdef INCOMING_RETURN_ADDR_RTX
-#undef DWARF2_UNWIND_INFO
-#define DWARF2_UNWIND_INFO 0
-#endif
-
-/* Assembler format: file framework.  */
-
-/* Taken from alpha/osf.h. This used to be common to all alpha
-   configurations, but elf has departed from it.
-   Check alpha/alpha.h, alpha/osf.h for it when egcs is upgraded.  */
-#ifndef ASM_FILE_START
-#define ASM_FILE_START(FILE)					\
-{								\
-  alpha_write_verstamp (FILE);					\
-  fprintf (FILE, "\t.set noreorder\n");				\
-  fprintf (FILE, "\t.set volatile\n");                          \
-  fprintf (FILE, "\t.set noat\n");				\
-  if (TARGET_SUPPORT_ARCH)					\
-    fprintf (FILE, "\t.arch %s\n",				\
-             alpha_cpu == PROCESSOR_EV6 ? "ev6"			\
-	     : (alpha_cpu == PROCESSOR_EV5			\
-		? (TARGET_MAX ? "pca56" : TARGET_BWX ? "ev56" : "ev5") \
-		: "ev4"));					\
-								\
-  ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename);	\
-}
-#endif
-
-/* Assembler format: label output.  */
-
-#define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE)	\
- do {						\
-  fputs ("\t.weakext\t", FILE);			\
-  assemble_name (FILE, NAME);			\
-  if (VALUE)					\
-    {						\
-      fputs (" , ", FILE);			\
-      assemble_name (FILE, VALUE);		\
-    }						\
-  fputc ('\n', FILE);				\
+/* .set on alpha is not used to output labels.  */
+#undef SET_ASM_OP
+
+/* So, provide corresponding default, without the .set.  */
+#undef ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL
+#define ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL(FILE, SY, HI, LO)     \
+ do {                                                                   \
+  assemble_name (FILE, SY);                                             \
+  fputc ('=', FILE);                                                    \
+  assemble_name (FILE, HI);                                             \
+  fputc ('-', FILE);                                                    \
+  assemble_name (FILE, LO);                                             \
  } while (0)
 
-