[mc] Avoid memsetting twice

[simgrid.git] / src / mc / mc_dwarf_expression.c

diff --git a/src/mc/mc_dwarf_expression.c b/src/mc/mc_dwarf_expression.c
index d854c6e..e06ad82 100644 (file)
--- a/src/mc/mc_dwarf_expression.c
+++ b/src/mc/mc_dwarf_expression.c
@@ -48,11 +48,11 @@ static int mc_dwarf_register_to_libunwind(int dwarf_register) {
   case 17: return UNW_X86_ST1;
   case 18: return UNW_X86_ST2;
   case 19: return UNW_X86_ST3;
-  case 10: return UNW_X86_ST4;
+  case 20: return UNW_X86_ST4;
   case 21: return UNW_X86_ST5;
   case 22: return UNW_X86_ST6;
   case 23: return UNW_X86_ST7;
-  default: xbt_die("BAd/unknown register number.");
+  default: xbt_die("Bad/unknown register number.");
   }
   #else
   #error This architecture is not supported yet.
@@ -366,9 +366,6 @@ void mc_dwarf_location_list_clear(mc_location_list_t list) {
 }
 
 void mc_dwarf_expression_init(mc_expression_t expression, size_t len, Dwarf_Op* ops) {
-  if(expression->ops) {
-    free(expression->ops);
-  }
   expression->lowpc = NULL;
   expression->highpc = NULL;
   expression->size = len;
@@ -377,9 +374,6 @@ void mc_dwarf_expression_init(mc_expression_t expression, size_t len, Dwarf_Op*
 }
 
 void mc_dwarf_location_list_init_from_expression(mc_location_list_t target, size_t len, Dwarf_Op* ops) {
-  if(target->locations) {
-    mc_dwarf_location_list_clear(target);
-  }
   target->size = 1;
   target->locations = (mc_expression_t) xbt_malloc(sizeof(s_mc_expression_t));
   mc_dwarf_expression_init(target->locations, len, ops);