revert 1.9. Not approved.

[deliverable/binutils-gdb.git] / gdb / arm-tdep.c

diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index edacf985ace3e401bb7e0becb53fc55d293ce585..7112c4caf71d00a877013222a6ec8241e4b72674 100644 (file)
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -28,6 +28,7 @@
 #include "gdb_string.h"
 #include "coff/internal.h"     /* Internal format of COFF symbols in BFD */
 #include "dis-asm.h"           /* For register flavors. */
+#include <ctype.h>             /* for isupper () */
 
 extern void _initialize_arm_tdep (void);
 
@@ -327,7 +328,7 @@ arm_frameless_function_invocation (struct frame_info *fi)
    */
 
 static CORE_ADDR
-thumb_skip_prologue (CORE_ADDR pc)
+thumb_skip_prologue (CORE_ADDR pc, CORE_ADDR func_end)
 {
   CORE_ADDR current_pc;
   int findmask = 0;    /* findmask:
@@ -336,7 +337,7 @@ thumb_skip_prologue (CORE_ADDR pc)
                           bit 2 - sub sp, #simm  OR  add sp, #simm  (adjusting of sp)
                        */
 
-  for (current_pc = pc; current_pc < pc + 40; current_pc += 2)
+  for (current_pc = pc; current_pc + 2 < func_end && current_pc < pc + 40; current_pc += 2)
     {
       unsigned short insn = read_memory_unsigned_integer (current_pc, 2);
 
@@ -398,7 +399,7 @@ arm_skip_prologue (CORE_ADDR pc)
 
   /* Check if this is Thumb code.  */
   if (arm_pc_is_thumb (pc))
-    return thumb_skip_prologue (pc);
+    return thumb_skip_prologue (pc, func_end);
 
   /* Can't find the prologue end in the symbol table, try it the hard way
      by disassembling the instructions. */