X-Git-Url: http://drtracing.org/?a=blobdiff_plain;ds=sidebyside;f=gas%2Fehopt.c;h=d42064ddef09785a7f71029b58e088e331f57384;hb=1848e567343e9c50979453463f34e0a55ba892eb;hp=1c1ac60099a0658b4107e27b4ef4534eecfdb469;hpb=aa820537ead0135a7c38c619039dce8a6fc74ed1;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/ehopt.c b/gas/ehopt.c
index 1c1ac60099..d42064ddef 100644
--- a/gas/ehopt.c
+++ b/gas/ehopt.c
@@ -1,6 +1,5 @@
 /* ehopt.c--optimize gcc exception frame information.
-   Copyright 1998, 2000, 2001, 2003, 2005, 2007, 2008, 2009
-   Free Software Foundation, Inc.
+   Copyright (C) 1998-2016 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <ian@cygnus.com>.
 
    This file is part of GAS, the GNU Assembler.
@@ -120,7 +119,7 @@ get_cie_info (struct cie_info *info)
 
   /* First make sure that the CIE Identifier Tag is 0/-1.  */
 
-  if (strcmp (segment_name (now_seg), ".debug_frame") == 0)
+  if (strncmp (segment_name (now_seg), ".debug_frame", 12) == 0)
     CIE_id = (char)0xff;
   else
     CIE_id = 0;
@@ -227,6 +226,19 @@ get_cie_info (struct cie_info *info)
   return 1;
 }
 
+enum frame_state
+{
+  state_idle,
+  state_saw_size,
+  state_saw_cie_offset,
+  state_saw_pc_begin,
+  state_seeing_aug_size,
+  state_skipping_aug,
+  state_wait_loc4,
+  state_saw_loc4,
+  state_error,
+};
+
 /* This function is called from emit_expr.  It looks for cases which
    we can optimize.
 
@@ -245,18 +257,7 @@ check_eh_frame (expressionS *exp, unsigned int *pnbytes)
 {
   struct frame_data
   {
-    enum frame_state
-    {
-      state_idle,
-      state_saw_size,
-      state_saw_cie_offset,
-      state_saw_pc_begin,
-      state_seeing_aug_size,
-      state_skipping_aug,
-      state_wait_loc4,
-      state_saw_loc4,
-      state_error,
-    } state;
+    enum frame_state state;
 
     int cie_info_ok;
     struct cie_info cie_info;
@@ -283,9 +284,10 @@ check_eh_frame (expressionS *exp, unsigned int *pnbytes)
 #endif
 
   /* Select the proper section data.  */
-  if (strcmp (segment_name (now_seg), ".eh_frame") == 0)
+  if (strncmp (segment_name (now_seg), ".eh_frame", 9) == 0
+      && segment_name (now_seg)[9] != '_')
     d = &eh_frame_data;
-  else if (strcmp (segment_name (now_seg), ".debug_frame") == 0)
+  else if (strncmp (segment_name (now_seg), ".debug_frame", 12) == 0)
     d = &debug_frame_data;
   else
     return 0;
@@ -324,7 +326,7 @@ check_eh_frame (expressionS *exp, unsigned int *pnbytes)
     case state_saw_size:
     case state_saw_cie_offset:
       /* Assume whatever form it appears in, it appears atomically.  */
-      d->state += 1;
+      d->state = (enum frame_state) (d->state + 1);
       break;
 
     case state_saw_pc_begin: