Add preliminary support for arm v5 architectures.

From-SVN: r27944

1 files changed, 41 insertions, 33 deletions

diff --git a/gcc/config/arm/coff.h b/gcc/config/arm/coff.h
index ed4511a5215..478ae620226 100644
--- a/gcc/config/arm/coff.h
+++ b/gcc/config/arm/coff.h
@@ -35,7 +35,7 @@ Boston, MA 02111-1307, USA.  */
 #undef  TARGET_DEFAULT
 #define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32)
 
-#define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32" }
+#define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" }
 
 /* Setting this to 32 produces more efficient code, but the value set in previous
    versions of this toolchain was 8, which produces more compact structures. The
@@ -50,7 +50,7 @@ extern int arm_structure_size_boundary;
    is a valid machine specific attribute for DECL.
    The attributes in ATTRIBUTES have previously been assigned to DECL.  */
 #define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \
-arm_valid_machine_decl_attribute (DECL, IDENTIFIER, ARGS)
+  arm_valid_machine_decl_attribute (DECL, IDENTIFIER, ARGS)
 
 /* This is COFF, but prefer stabs.  */
 #define SDB_DEBUGGING_INFO
@@ -68,31 +68,35 @@ arm_valid_machine_decl_attribute (DECL, IDENTIFIER, ARGS)
    ordinary symbol, or gdb won't see it.  The stabs entry must be
    before the N_SO in order for gdb to find it.  */
 #define ASM_IDENTIFY_GCC(STREAM) 				\
-     fprintf (STREAM, "%sgcc2_compiled.:\n", LOCAL_LABEL_PREFIX )
+  fprintf (STREAM, "%sgcc2_compiled.:\n", LOCAL_LABEL_PREFIX )
 
 /* This outputs a lot of .req's to define alias for various registers.
    Let's try to avoid this.  */
 #undef ASM_FILE_START
-#define ASM_FILE_START(STREAM) \
-do {								\
-  extern char *version_string;					\
-  fprintf (STREAM, "%s Generated by gcc %s for ARM/coff\n",	\
-	   ASM_COMMENT_START, version_string);			\
-} while (0)
+#define ASM_FILE_START(STREAM)					\
+  do								\
+    {								\
+      extern char * version_string;				\
+      fprintf (STREAM, "%s Generated by gcc %s for ARM/coff\n",	\
+	       ASM_COMMENT_START, version_string);		\
+    }								\
+  while (0)
 
 /* A C statement to output something to the assembler file to switch to section
    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
    NULL_TREE.  Some target formats do not support arbitrary sections.  Do not
    define this macro in such cases.  */
-#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC) \
-do {								\
-  if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)		\
-    fprintf (STREAM, "\t.section %s,\"x\"\n", (NAME));		\
-  else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC))	\
-    fprintf (STREAM, "\t.section %s,\"\"\n", (NAME));		\
-  else								\
-    fprintf (STREAM, "\t.section %s,\"w\"\n", (NAME));		\
-} while (0)
+#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC)	\
+  do								\
+    {								\
+      if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL)		\
+        fprintf (STREAM, "\t.section %s,\"x\"\n", (NAME));	\
+      else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC))	\
+        fprintf (STREAM, "\t.section %s,\"\"\n", (NAME));	\
+      else							\
+        fprintf (STREAM, "\t.section %s,\"w\"\n", (NAME));	\
+    }								\
+  while (0)
 
 /* Support the ctors/dtors and other sections.  */
 
@@ -171,24 +175,28 @@ dtors_section ()							\
 /* A C statement (sans semicolon) to output an element in the table of
    global constructors.  */
 #undef ASM_OUTPUT_CONSTRUCTOR
-#define ASM_OUTPUT_CONSTRUCTOR(STREAM,NAME) \
-do {						\
-  ctors_section ();				\
-  fprintf (STREAM, "\t%s\t ", INT_ASM_OP);	\
-  assemble_name (STREAM, NAME);			\
-  fprintf (STREAM, "\n");			\
-} while (0)
+#define ASM_OUTPUT_CONSTRUCTOR(STREAM, NAME)	\
+  do						\
+    {						\
+      ctors_section ();				\
+      fprintf (STREAM, "\t%s\t ", INT_ASM_OP);	\
+      assemble_name (STREAM, NAME);		\
+      fprintf (STREAM, "\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(STREAM,NAME) \
-do {						\
-  dtors_section ();                   		\
-  fprintf (STREAM, "\t%s\t ", INT_ASM_OP);	\
-  assemble_name (STREAM, NAME);              	\
-  fprintf (STREAM, "\n");			\
-} while (0)
+#define ASM_OUTPUT_DESTRUCTOR(STREAM, NAME)	\
+  do						\
+    {						\
+      dtors_section ();				\
+      fprintf (STREAM, "\t%s\t ", INT_ASM_OP);	\
+      assemble_name (STREAM, NAME);		\
+      fprintf (STREAM, "\n");			\
+    }						\
+  while (0)
 
 /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script.  */
 #define CTOR_LISTS_DEFINED_EXTERNALLY
@@ -205,5 +213,5 @@ do {						\
 #define HAVE_ATEXIT
 
 /* The ARM development system defines __main.  */
-#define NAME__MAIN "__gccmain"
+#define NAME__MAIN  "__gccmain"
 #define SYMBOL__MAIN __gccmain