2006-10-20 Andrew Stubbs <andrew.stubbs@st.com>

[deliverable/binutils-gdb.git] / gas / ehopt.c

diff --git a/gas/ehopt.c b/gas/ehopt.c
index e556e29d1732689f5688da2c2c3395ec42818ec8..6b0ac51323707ad4d37352580fc2222f1ac9c0c9 100644 (file)
--- a/gas/ehopt.c
+++ b/gas/ehopt.c
@@ -1,5 +1,5 @@
 /* ehopt.c--optimize gcc exception frame information.
-   Copyright 1998, 2000, 2001 Free Software Foundation, Inc.
+   Copyright 1998, 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@cygnus.com>.
 
 This file is part of GAS, the GNU Assembler.
@@ -16,8 +16,8 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with GAS; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 #include "as.h"
 #include "subsegs.h"
@@ -94,13 +94,12 @@ struct cie_info
   int z_augmentation;
 };
 
-static int get_cie_info PARAMS ((struct cie_info *));
+static int get_cie_info (struct cie_info *);
 
 /* Extract information from the CIE.  */
 
 static int
-get_cie_info (info)
-     struct cie_info *info;
+get_cie_info (struct cie_info *info)
 {
   fragS *f;
   fixS *fix;
@@ -112,16 +111,8 @@ get_cie_info (info)
 
   /* We should find the CIE at the start of the section.  */
 
-#if defined (BFD_ASSEMBLER) || defined (MANY_SEGMENTS)
   f = seg_info (now_seg)->frchainP->frch_root;
-#else
-  f = frchain_now->frch_root;
-#endif
-#ifdef BFD_ASSEMBLER
   fix = seg_info (now_seg)->frchainP->fix_root;
-#else
-  fix = *seg_fix_rootP;
-#endif
 
   /* Look through the frags of the section to find the code alignment.  */
 
@@ -248,9 +239,7 @@ get_cie_info (info)
    change *EXP and *PNBYTES.  */
 
 int
-check_eh_frame (exp, pnbytes)
-     expressionS *exp;
-     unsigned int *pnbytes;
+check_eh_frame (expressionS *exp, unsigned int *pnbytes)
 {
   struct frame_data
   {
@@ -363,6 +352,8 @@ check_eh_frame (exp, pnbytes)
        }
       else
        d->state = state_error;
+      if (d->state == state_skipping_aug && d->aug_size == 0)
+       d->state = state_wait_loc4;
       break;
 
     case state_skipping_aug:
@@ -370,7 +361,7 @@ check_eh_frame (exp, pnbytes)
        d->state = state_error;
       else
        {
-          int left = (d->aug_size -= *pnbytes);
+         int left = (d->aug_size -= *pnbytes);
          if (left == 0)
            d->state = state_wait_loc4;
          else if (left < 0)
@@ -455,14 +446,13 @@ check_eh_frame (exp, pnbytes)
    relaxation loop.  We set fr_subtype{0:2} to the expected length.  */
 
 int
-eh_frame_estimate_size_before_relax (frag)
-     fragS *frag;
+eh_frame_estimate_size_before_relax (fragS *frag)
 {
   offsetT diff;
   int ca = frag->fr_subtype >> 3;
   int ret;
 
-  diff = resolve_symbol_value (frag->fr_symbol, 0);
+  diff = resolve_symbol_value (frag->fr_symbol);
 
   if (ca > 0 && diff % ca == 0 && diff / ca < 0x40)
     ret = 0;
@@ -483,8 +473,7 @@ eh_frame_estimate_size_before_relax (frag)
    the frag.  This returns the change in frag length.  */
 
 int
-eh_frame_relax_frag (frag)
-     fragS *frag;
+eh_frame_relax_frag (fragS *frag)
 {
   int oldsize, newsize;
 
@@ -498,8 +487,7 @@ eh_frame_relax_frag (frag)
    fr_subtype{0:2} will be the desired length of the frag.  */
 
 void
-eh_frame_convert_frag (frag)
-     fragS *frag;
+eh_frame_convert_frag (fragS *frag)
 {
   offsetT diff;
   fragS *loc4_frag;
@@ -508,7 +496,7 @@ eh_frame_convert_frag (frag)
   loc4_frag = (fragS *) frag->fr_opcode;
   loc4_fix = (int) frag->fr_offset;
 
-  diff = resolve_symbol_value (frag->fr_symbol, finalize_syms);
+  diff = resolve_symbol_value (frag->fr_symbol);
 
   switch (frag->fr_subtype & 7)
     {
@@ -537,7 +525,8 @@ eh_frame_convert_frag (frag)
       break;
     }
 
-  frag->fr_fix += frag->fr_subtype;
+  frag->fr_fix += frag->fr_subtype & 7;
   frag->fr_type = rs_fill;
+  frag->fr_subtype = 0;
   frag->fr_offset = 0;
 }