xtensa.h (STARTFILE_SPEC): Add crt0.

	* config/xtensa/xtensa.h (STARTFILE_SPEC): Add crt0.
	(GCC_DRIVER_HOST_INITIALIZATION): Define.

From-SVN: r91323

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 183fd91e1d5cbdf214ec9d73d67138932380cf42..f43b34f5ce0fdffd6709a856c9002772c059d130 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-25  Bob Wilson  <bob.wilson@acm.org>
+
+       * config/xtensa/xtensa.h (STARTFILE_SPEC): Add crt0.
+       (GCC_DRIVER_HOST_INITIALIZATION): Define.
+
 2004-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
 
        PR middle-end/17957

diff --git a/gcc/config/xtensa/elf.h b/gcc/config/xtensa/elf.h
index 1ef309bfa8cea8d1193fba7f98cbde13fd413175..48bd7de9002f733fe4f2705577f6bd33e418c546 100644 (file)
--- a/gcc/config/xtensa/elf.h
+++ b/gcc/config/xtensa/elf.h
@@ -56,7 +56,8 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
 
 #undef STARTFILE_SPEC
-#define STARTFILE_SPEC "crt1-sim%O%s crti%O%s crtbegin%O%s _vectors%O%s"
+#define STARTFILE_SPEC \
+  "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s"
 
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC "crtend%O%s crtn%O%s"  
@@ -91,3 +92,24 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
       XTENSA_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL);         \
     }                                                          \
   while (0)
+
+/* Search for headers in $tooldir/arch/include and for libraries and
+   startfiles in $tooldir/arch/lib.  */
+#define GCC_DRIVER_HOST_INITIALIZATION \
+do \
+{ \
+  char *tooldir, *archdir; \
+  tooldir = concat (tooldir_base_prefix, spec_machine, \
+                   dir_separator_str, NULL); \
+  if (!IS_ABSOLUTE_PATH (tooldir)) \
+    tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
+                     spec_version, dir_separator_str, tooldir, NULL); \
+  archdir = concat (tooldir, "arch", dir_separator_str, NULL); \
+  add_prefix (&startfile_prefixes, \
+             concat (archdir, "lib", dir_separator_str, NULL), \
+             "GCC", PREFIX_PRIORITY_LAST, 0, 1); \
+  add_prefix (&include_prefixes, archdir, \
+             "GCC", PREFIX_PRIORITY_LAST, 0, 0); \
+  } \
+while (0)
+