No longer directly accessing debuggee memory.
Execution context (mode, steps...) are now linked to a thread.
Removed some X11 crst hacks.
Rewrote info/walk commands.
Removed direct debugger invocation code (and moved the rest to the new
winedbg.c file).
diff --git a/debugger/expr.c b/debugger/expr.c
index fbee595..b4e4345 100644
--- a/debugger/expr.c
+++ b/debugger/expr.c
@@ -299,7 +299,6 @@
DBG_ADDR exp1;
DBG_ADDR exp2;
unsigned int cexp[5];
- int (*fptr)();
int scale1;
int scale2;
int scale3;
@@ -332,12 +331,20 @@
rtn.seg = 0;
break;
case EXPR_TYPE_SYMBOL:
- if( !DEBUG_GetSymbolValue(exp->un.symbol.name, -1, &rtn, FALSE ) )
- {
- rtn.type = NULL;
- rtn.off = 0;
- rtn.seg = 0;
- };
+ if( !DEBUG_GetSymbolValue(exp->un.symbol.name, -1, &rtn, FALSE) )
+ {
+#if 1
+ RaiseException(DEBUG_STATUS_NO_SYMBOL, 0, 0, NULL);
+#else
+ static char ret[128];
+
+ /* FIXME: this is an ugly hack... but at least we know
+ * the symbol is not defined
+ */
+ sprintf(ret, "\"Symbol %s is not defined.\"", exp->un.symbol.name);
+ rtn = DEBUG_EvalExpr(DEBUG_StringExpr(ret));
+#endif
+ }
break;
case EXPR_TYPE_PSTRUCT:
exp1 = DEBUG_EvalExpr(exp->un.structure.exp1);
@@ -388,6 +395,13 @@
break;
}
+#if 0
+ /* FIXME: NEWDBG NIY */
+ /* Anyway, I wonder how this could work depending on the calling order of
+ * the function (cdecl vs pascal for example)
+ */
+ int (*fptr)();
+
fptr = (int (*)()) rtn.off;
switch(exp->un.call.nargs)
{
@@ -410,8 +424,16 @@
exp->un.call.result = (*fptr)(cexp[0], cexp[1], cexp[2], cexp[3], cexp[4]);
break;
}
+#else
+ fprintf(stderr, "Function call no longer implemented\n");
+ /* would need to set up a call to this function, and then restore the current
+ * context afterwards...
+ */
+ exp->un.call.result = 0;
+#endif
rtn.type = DEBUG_TypeInt;
rtn.off = (unsigned int) &exp->un.call.result;
+
break;
case EXPR_TYPE_REGISTER:
rtn.type = DEBUG_TypeIntConst;
@@ -419,11 +441,11 @@
rtn.off = (unsigned int) &exp->un.rgister.result;
#ifdef __i386__
if( exp->un.rgister.reg == REG_EIP )
- rtn.seg = CS_reg(&DEBUG_context);
+ rtn.seg = DEBUG_context.SegCs;
else
- rtn.seg = DS_reg(&DEBUG_context);
+ rtn.seg = DEBUG_context.SegDs;
#endif
- DBG_FIX_ADDR_SEG( &rtn, 0 );
+ DEBUG_FixAddress( &rtn, 0 );
break;
case EXPR_TYPE_BINOP:
exp1 = DEBUG_EvalExpr(exp->un.binop.exp1);
@@ -497,11 +519,7 @@
rtn.seg = VAL(exp1);
exp->un.binop.result = VAL(exp2);
#ifdef __i386__
- if (ISV86(&DEBUG_context)) {
- TDB *pTask = (TDB*)GlobalLock16( GetCurrentTask() );
- rtn.seg |= (DWORD)(pTask?(pTask->hModule):0)<<16;
- GlobalUnlock16( GetCurrentTask() );
- }
+ DEBUG_FixSegment(&rtn);
#endif
break;
case EXP_OP_LOR:
@@ -623,12 +641,12 @@
exp->un.unop.result = ~VAL(exp1);
break;
case EXP_OP_DEREF:
- rtn.seg = 0;
+ rtn.seg = 0;
rtn.off = (unsigned int) DEBUG_TypeDerefPointer(&exp1, &rtn.type);
break;
case EXP_OP_FORCE_DEREF:
rtn.seg = exp1.seg;
- rtn.off = *(unsigned int *) exp1.off;
+ rtn.off = DEBUG_READ_MEM((void*)exp1.off, &rtn.off, sizeof(rtn.off));
break;
case EXP_OP_ADDR:
rtn.seg = 0;
@@ -686,10 +704,6 @@
fprintf(stderr, ".%s", exp->un.structure.element_name);
break;
case EXPR_TYPE_CALL:
- /*
- * First, evaluate all of the arguments. If any of them are not
- * evaluable, then bail.
- */
fprintf(stderr, "%s(",exp->un.call.funcname);
for(i=0; i < exp->un.call.nargs; i++)
{
@@ -841,10 +855,6 @@
rtn->un.structure.element_name = DBG_strdup(exp->un.structure.element_name);
break;
case EXPR_TYPE_CALL:
- /*
- * First, evaluate all of the arguments. If any of them are not
- * evaluable, then bail.
- */
for(i=0; i < exp->un.call.nargs; i++)
{
rtn->un.call.arg[i] = DEBUG_CloneExpr(exp->un.call.arg[i]);
@@ -898,10 +908,6 @@
DBG_free((char *) exp->un.structure.element_name);
break;
case EXPR_TYPE_CALL:
- /*
- * First, evaluate all of the arguments. If any of them are not
- * evaluable, then bail.
- */
for(i=0; i < exp->un.call.nargs; i++)
{
DEBUG_FreeExpr(exp->un.call.arg[i]);