Extract call stack from running machine.

[fw/sdcc] / debugger / mcs51 / break.c

diff --git a/debugger/mcs51/break.c b/debugger/mcs51/break.c
index 0637661932aaf1ad4edf63fe4384114dfa1cd90a..ea19450fa2ed503066ca82f1b769184aa7b2eadc 100644 (file)
--- a/debugger/mcs51/break.c
+++ b/debugger/mcs51/break.c
@@ -31,9 +31,6 @@ hTab *bptable = NULL;
 char doingSteps    = 0;
 char userBpPresent = 0;
 
-/* call stack can be 1024 deep */
-STACK_DCL(callStack,function *,1024);
-
 #ifdef SDCDB_DEBUG
 char *debug_bp_type_strings[] =
     {"ERR-0",
@@ -111,14 +108,11 @@ int setBreakPoint (unsigned addr, char addrType, char bpType,
         userBpPresent++;
     }
 
-    if (bpType != STEP && bpType != NEXT)
-    {
-        /* if a break point does not already exist then
-           send command to simulator to add one */
-        if (!hTabSearch(bptable,addr))
-            /* send the break command to the simulator */
-            simSetBP (addr);
-    }
+    /* if a break point does not already exist then
+     send command to simulator to add one */
+    if (!hTabSearch(bptable,addr))
+       /* send the break command to the simulator */
+    simSetBP (addr);
 
     /* now add the break point to list */
     hTabAddItem(&bptable,addr,bp);
@@ -143,6 +137,7 @@ void deleteSTEPbp ()
         /* if this is a step then delete */
         if (bp->bpType == STEP)
         {
+           simClearBP(bp->addr);
             hTabDeleteItem(&bptable,bp->addr,bp,DELETE_ITEM,NULL);
             Safe_free(bp);
         }
@@ -421,59 +416,6 @@ int dispatchCB (unsigned addr, context *ctxt)
     return rv;
 }
 
-/*-----------------------------------------------------------------*/
-/* fentryCB - callback function for function entry                 */
-/*-----------------------------------------------------------------*/
-BP_CALLBACK(fentryCB)
-{
-    function *func;
-
-    /* we save the value of SP
-       which will be used to display the value of local variables
-       and parameters on the stack */
-    ctxt->func->stkaddr = simGetValue (0x81,'I',1);
-
-    Dprintf(D_break, ("break: fentryCB: BP_CALLBACK entry %s sp=0x%02x %p\n",
-                      ctxt->func->sym->name,
-                      ctxt->func->stkaddr, p_callStack));
-
-    /* and set laddr of calling function to return addr from stack */
-    if ((func = STACK_PEEK(callStack)))
-    {
-        /* extern stack ?? 'A' */
-        func->laddr = simGetValue (ctxt->func->stkaddr-1,'B',2);
-    }
-    /* add the current function into the call stack */
-    STACK_PUSH(callStack,ctxt->func);
-
-    return 0;
-}
-
-/*-----------------------------------------------------------------*/
-/* fexitCB - call back for function exit                           */
-/*-----------------------------------------------------------------*/
-BP_CALLBACK(fexitCB)
-{
-    function *func;
-    /* pop the top most from the call stack */
-    func = STACK_POP(callStack);
-
-    if (!func)
-    {
-        fprintf(stdout, "Stack underflow\n");
-        return 1;
-    }
-
-    Dprintf(D_break, ("break: fexitCB: BP_CALLBACK entry %s %p\n", func->sym->name, p_callStack));
-
-    /* check main function */
-    if ( !strcmp(func->sym->name, "main"))
-    {
-        fprintf(stdout, "Program exited with code %lu.\n", simGetValue (0x82,'I',2));
-        return 1;
-    }
-    return 0;
-}
 /*-----------------------------------------------------------------*/
 /* userBpCB - call back function for user break points             */
 /*-----------------------------------------------------------------*/