[Bug binutils/13471] out-of-range indexing error in elf_howto_table[ R_386_IRELATIVE]

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13471

H.J. Lu hjl.tools at gmail dot com changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution||FIXED

--- Comment #1 from H.J. Lu hjl.tools at gmail dot com 2011-12-16 15:27:11 
UTC ---
Fixed by:

http://sourceware.org/ml/binutils/2011-04/msg00165.html

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[Bug gas/13509] branch target to the wrong location

[pinskia at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13509

--- Comment #4 from Andrew Pinski pinskia at gcc dot gnu.org 2011-12-16 
22:18:04 UTC ---
The reason why GCC emits LABEL = . is because of the following reason:
* Print debug labels as foo = . rather than foo: because they should
   represent a byte pointer rather than an ISA-encoded address.
...

The .uleb128 requies $LFBxxx to match the FDE start address, which is
   likewise a byte pointer rather than an ISA-encoded address.

So I think we should just delete the code in the assembler which moves the
labels since they don't move = . based labels.

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[Bug gas/13509] branch target to the wrong location

[pinskia at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13509

--- Comment #6 from Andrew Pinski pinskia at gcc dot gnu.org 2011-12-16 
23:25:39 UTC ---
Looks like this version of the mips patch:
http://sourceware.org/ml/binutils/2010-10/msg00512.html
Would have fixed it also.  But it was rejected and only a fake labels were
added rather than all cases where the symbol = . .

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[Bug gas/13509] branch target to the wrong location

[pinskia at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13509

--- Comment #8 from Andrew Pinski pinskia at gcc dot gnu.org 2011-12-17 
00:38:56 UTC ---
Something like:
Index: config/tc-mips.c
===
RCS file: /cvs/src/src/gas/config/tc-mips.c,v
retrieving revision 1.500
diff -u -p -r1.500 tc-mips.c
--- config/tc-mips.c8 Dec 2011 20:47:25 -1.500
+++ config/tc-mips.c17 Dec 2011 00:38:28 -
@@ -15633,7 +15633,7 @@ get_symbol (void)
label.  */

 static void
-mips_align (int to, int *fill, symbolS *label)
+mips_align (int to, int *fill, struct insn_label_list *labels)
 {
   mips_emit_delays ();
   mips_record_compressed_mode ();
@@ -15642,11 +15642,13 @@ mips_align (int to, int *fill, symbolS *
   else
 frag_align (to, fill ? *fill : 0, 0);
   record_alignment (now_seg, to);
-  if (label != NULL)
+ while (labels != NULL)
 {
+  symbolS *label = labels-label;
   gas_assert (S_GET_SEGMENT (label) == now_seg);
   symbol_set_frag (label, frag_now);
   S_SET_VALUE (label, (valueT) frag_now_fix ());
+  labels = labels-next;
 }
 }

@@ -15689,7 +15691,7 @@ s_align (int x ATTRIBUTE_UNUSED)
   struct insn_label_list *l = si-label_list;
   /* Auto alignment should be switched on by next section change.  */
   auto_align = 1;
-  mips_align (temp, fill_ptr, l != NULL ? l-label : NULL);
+  mips_align (temp, fill_ptr, l);
 }
   else
 {
@@ -15859,12 +15861,10 @@ s_cons (int log_size)
 {
   segment_info_type *si = seg_info (now_seg);
   struct insn_label_list *l = si-label_list;
-  symbolS *label;

-  label = l != NULL ? l-label : NULL;
   mips_emit_delays ();
   if (log_size  0  auto_align)
-mips_align (log_size, 0, label);
+mips_align (log_size, 0, l);
   cons (1  log_size);
   mips_clear_insn_labels ();
 }
@@ -15874,18 +15874,15 @@ s_float_cons (int type)
 {
   segment_info_type *si = seg_info (now_seg);
   struct insn_label_list *l = si-label_list;
-  symbolS *label;
-
-  label = l != NULL ? l-label : NULL;

   mips_emit_delays ();

   if (auto_align)
 {
   if (type == 'd')
-mips_align (3, 0, label);
+mips_align (3, 0, l);
   else
-mips_align (2, 0, label);
+mips_align (2, 0, l);
 }

   float_cons (type);
@@ -16653,7 +16650,6 @@ s_gpword (int ignore ATTRIBUTE_UNUSED)
 {
   segment_info_type *si;
   struct insn_label_list *l;
-  symbolS *label;
   expressionS ex;
   char *p;

@@ -1,10 +16662,9 @@ s_gpword (int ignore ATTRIBUTE_UNUSED)

   si = seg_info (now_seg);
   l = si-label_list;
-  label = l != NULL ? l-label : NULL;
   mips_emit_delays ();
   if (auto_align)
-mips_align (2, 0, label);
+mips_align (2, 0, l);

   expression (ex);
   mips_clear_insn_labels ();
@@ -16693,7 +16688,6 @@ s_gpdword (int ignore ATTRIBUTE_UNUSED)
 {
   segment_info_type *si;
   struct insn_label_list *l;
-  symbolS *label;
   expressionS ex;
   char *p;

@@ -16706,10 +16700,9 @@ s_gpdword (int ignore ATTRIBUTE_UNUSED)

   si = seg_info (now_seg);
   l = si-label_list;
-  label = l != NULL ? l-label : NULL;
   mips_emit_delays ();
   if (auto_align)
-mips_align (3, 0, label);
+mips_align (3, 0, l);

   expression (ex);
   mips_clear_insn_labels ();

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