ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.

        * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
        (ASM_OUTPUT_DWARF_PCREL): New.
        * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.

From-SVN: r40537

gcc/ChangeLog

+2001-03-15  Richard Henderson  <rth@redhat.com>
+
+	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
+	(ASM_OUTPUT_DWARF_PCREL): New.
+	* config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
+
 2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
 
 	* cppfiles.c (stack_include_file): Use MAX of sysp.

gcc/config/ia64/hpux.h

@@ -77,16 +77,3 @@ Boston, MA 02111-1307, USA.  */
 
 #undef TARGET_DEFAULT
 #define TARGET_DEFAULT (MASK_DWARF2_ASM | MASK_BIG_ENDIAN)
-
-/* We need this macro to output DWARF2 information correctly.  The macro
-   is defined in dwarf2out.c, but it will not do section relative offsets
-   which messes up our ability to debug using gdb.  */
-
-#undef ASM_OUTPUT_DWARF_OFFSET
-#define ASM_OUTPUT_DWARF_OFFSET(FILE,LABEL)				\
- do {									\
-	fprintf ((FILE), "\t%s\t", UNALIGNED_OFFSET_ASM_OP);		\
-	fprintf ((FILE), "@secrel(");                                   \
-	assemble_name (FILE, LABEL);					\
-	fprintf ((FILE), ")");                                          \
-  } while (0)

gcc/config/ia64/ia64.h

@@ -2518,21 +2518,6 @@ do {									\
 /* An rtx used to mask the return address found via RETURN_ADDR_RTX, so that it
    does not contain any extraneous set bits in it.  */
 /* #define MASK_RETURN_ADDR */
-
-/* Define this macro to 0 if your target supports DWARF 2 frame unwind
-   information, but it does not yet work with exception handling.  Otherwise,
-   if your target supports this information (if it defines
-   `INCOMING_RETURN_ADDR_RTX' and either `UNALIGNED_INT_ASM_OP' or
-   `OBJECT_FORMAT_ELF'), GCC will provide a default definition of 1.
-
-   If this macro is defined to 1, the DWARF 2 unwinder will be the default
-   exception handling mechanism; otherwise, setjmp/longjmp will be used by
-   default.
-
-   If this macro is defined to anything, the DWARF 2 unwinder will be used
-   instead of inline unwinders and __unwind_function in the non-setjmp case.  */
-/* #define DWARF2_UNWIND_INFO */
-
 
 /* Assembler Commands for Alignment.  */
 
@@ -2632,12 +2617,31 @@ do {									\
    add brackets around the label.  */
 
 #define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
-  do							\
-    {							\
-      fprintf (FILE, "[.%s%d:]\n", PREFIX, NUM);	\
-    }							\
-  while (0)
+  fprintf (FILE, "[.%s%d:]\n", PREFIX, NUM)
 
+/* Use section-relative relocations for debugging offsets.  Unlike other
+   targets that fake this by putting the section VMA at 0, IA-64 has 
+   proper relocations for them.  */
+#define ASM_OUTPUT_DWARF_OFFSET(FILE, SIZE, LABEL)	\
+  do {							\
+    fputs (((SIZE) == 4 ? UNALIGNED_INT_ASM_OP		\
+	    : (SIZE) == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP	\
+	    : (abort (), "")), FILE);			\
+    fputs ("@secrel(", FILE);				\
+    assemble_name (FILE, LABEL);			\
+    fputc (')', FILE);					\
+  } while (0)
+
+/* Emit a PC-relative relocation.  */
+#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL)	\
+  do {							\
+    fputs (((SIZE) == 4 ? UNALIGNED_INT_ASM_OP		\
+	    : (SIZE) == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP	\
+	    : (abort (), "")), FILE);			\
+    fputs ("@pcrel(", FILE);				\
+    assemble_name (FILE, LABEL);			\
+    fputc (')', FILE);					\
+  } while (0)
 
 /* Cross Compilation and Floating Point.  */