From: Pedro Alves <palves@redhat.com>
Date: Wed, 21 Nov 2012 14:09:10 +0000 (+0000)
Subject: Revert previous change to i386-tdep.c.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e0f33b1fbf3b88882abd0d4136b8d1307e351c9d;p=binutils-gdb.git

Revert previous change to i386-tdep.c.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 138e0df2aca..7f0d3e2c949 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,9 +1,3 @@
-2012-11-21  Karthik Bhat  <kv.bhat@samsung.com>
-
-	* i386-tdep.c (i386_skip_prologue): See if we
-	can determine the end of the prologue via the symbol table.
-	If so use the same instead of going through prologue instructions.
-
 2012-11-21  Yao Qi  <yao@codesourcery.com>
 
 	PR tdep/7438
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 5e12cb53b17..f0056bea56f 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -1582,30 +1582,8 @@ i386_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
   CORE_ADDR pc;
   gdb_byte op;
   int i;
-  cache.locals = -1;
-  CORE_ADDR func_addr;
-  struct symtab *s = find_pc_symtab (func_addr);
-
-  if (find_pc_partial_function (start_pc, NULL, &func_addr, NULL))
-  {
-    CORE_ADDR post_prologue_pc
-      = skip_prologue_using_sal (gdbarch, func_addr);
-    
-    /* GCC always emits a line note before the prologue and another
-	 one after, even if the two are at the same address or on the
-	 same line.  Take advantage of this so that we do not need to
-	 know every instruction that might appear in the prologue.  We
-	 will have producer information for most binaries; if it is
-	 missing (e.g. for -gstabs), assuming the GNU tools.  */
-    if (post_prologue_pc
-	  && (s == NULL
-	      || s->producer == NULL
-	      || strncmp (s->producer, "GNU ", sizeof ("GNU ") - 1) == 0
-	      || strncmp (s->producer, "clang ", sizeof ("clang ") - 1) == 0))
-	  return  max (start_pc, post_prologue_pc);
-  }
-
 
+  cache.locals = -1;
   pc = i386_analyze_prologue (gdbarch, start_pc, 0xffffffff, &cache);
   if (cache.locals < 0)
     return start_pc;