gdb/

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

diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 6b574653f63a24830c6842f5ff8d6054263df7e0..a5da56c3f5d5b6cf03abd93d5bfa745be6bdc774 100644 (file)
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -1849,16 +1849,18 @@ arm_get_next_pc (CORE_ADDR pc)
 static void
 arm_software_single_step (enum target_signal sig, int insert_bpt)
 {
-  static int next_pc;           /* State between setting and unsetting.  */
-  static char break_mem[BREAKPOINT_MAX]; /* Temporary storage for mem@bpt */
+  /* NOTE: This may insert the wrong breakpoint instruction when
+     single-stepping over a mode-changing instruction, if the
+     CPSR heuristics are used.  */
 
   if (insert_bpt)
     {
-      next_pc = arm_get_next_pc (read_register (ARM_PC_REGNUM));
-      target_insert_breakpoint (next_pc, break_mem);
+      CORE_ADDR next_pc = arm_get_next_pc (read_register (ARM_PC_REGNUM));
+
+      insert_single_step_breakpoint (next_pc);
     }
   else
-    target_remove_breakpoint (next_pc, break_mem);
+    remove_single_step_breakpoints ();
 }
 
 #include "bfd-in2.h"