winedbg - ability to abort symbol lookup
Eric Pouech
eric.pouech at wanadoo.fr
Sun Sep 15 08:31:55 CDT 2002
resent (with corrections as requested by Alexandre)
A+
-------------- next part --------------
Name: wd_sym_abrt
ChangeLog: added ability to abort on interactive symbol lookup
License: X11
GenDate: 2002/09/15 13:29:11 UTC
ModifiedFiles: programs/winedbg/break.c programs/winedbg/dbg.y programs/winedbg/debugger.h programs/winedbg/expr.c programs/winedbg/hash.c programs/winedbg/info.c programs/winedbg/stabs.c
AddedFiles:
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/break.c,v
retrieving revision 1.1
diff -u -u -r1.1 break.c
--- programs/winedbg/break.c 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/break.c 10 Sep 2002 19:01:21 -0000
@@ -421,10 +421,15 @@
DBG_VALUE value;
int i;
- if (DEBUG_GetSymbolValue(name, lineno, &value, TRUE))
+ switch (DEBUG_GetSymbolValue(name, lineno, &value, TRUE))
{
+ case gsv_found:
DEBUG_AddBreakpoint(&value, NULL, TRUE);
return;
+ case gsv_unknown:
+ break;
+ case gsv_aborted: /* user aborted symbol lookup */
+ return;
}
DEBUG_Printf(DBG_CHN_MESG, "Unable to add breakpoint, will check again when a new DLL is loaded\n");
@@ -487,11 +492,12 @@
{
if (dbp[i].is_symbol)
{
- if (!DEBUG_GetSymbolValue(dbp[i].u.symbol.name, dbp[i].u.symbol.lineno, &value, TRUE))
+ if (DEBUG_GetSymbolValue(dbp[i].u.symbol.name, dbp[i].u.symbol.lineno, &value, TRUE) != gsv_found)
continue;
}
else
value = dbp[i].u.value;
DEBUG_Printf(DBG_CHN_MESG, "trying to add delayed %s-bp\n", dbp[i].is_symbol ? "S" : "A");
if (!dbp[i].is_symbol)
DEBUG_Printf(DBG_CHN_MESG, "\t%04x %04lx:%08lx\n",
@@ -586,10 +593,17 @@
{
DBG_VALUE value;
- if( DEBUG_GetSymbolValue(name, -1, &value, TRUE) )
+ switch (DEBUG_GetSymbolValue(name, -1, &value, TRUE))
+ {
+ case gsv_found:
DEBUG_AddWatchpoint( &value, 1 );
- else
+ break;
+ case gsv_unknown:
DEBUG_Printf(DBG_CHN_MESG, "Unable to add watchpoint\n");
+ break;
+ case gsv_aborted: /* user aborted symbol lookup */
+ break;
+ }
}
/***********************************************************************
Index: programs/winedbg/dbg.y
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/dbg.y,v
retrieving revision 1.1
diff -u -u -r1.1 dbg.y
--- programs/winedbg/dbg.y 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/dbg.y 2 Sep 2002 19:44:42 -0000
@@ -405,6 +408,8 @@
case DEBUG_STATUS_NO_FIELD:
DEBUG_Printf(DBG_CHN_MESG, "No such field in structure or union\n");
break;
+ case DEBUG_STATUS_ABORT:
+ break;
default:
DEBUG_Printf(DBG_CHN_MESG, "Exception %lx\n", GetExceptionCode());
DEBUG_ExternalDebugger();
Index: programs/winedbg/debugger.h
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/debugger.h,v
retrieving revision 1.1
diff -u -u -r1.1 debugger.h
--- programs/winedbg/debugger.h 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/debugger.h 10 Sep 2002 18:40:17 -0000
@@ -291,6 +291,8 @@
#define OFFSET_OF(__c,__f) ((int)(((char*)&(((__c*)0)->__f))-((char*)0)))
+enum get_sym_val {gsv_found, gsv_unknown, gsv_aborted};
+
/* from winelib.so */
extern void DEBUG_ExternalDebugger(void);
@@ -358,8 +360,7 @@
const DBG_VALUE *addr,
const char *sourcefile,
int flags);
-extern int DEBUG_GetSymbolValue( const char * name, const int lineno,
- DBG_VALUE *addr, int );
+extern enum get_sym_val DEBUG_GetSymbolValue( const char * name, const int lineno, DBG_VALUE *addr, int );
extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *addr );
extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
struct name_hash ** rtn,
@@ -582,6 +583,7 @@
#define DEBUG_STATUS_DIV_BY_ZERO (DEBUG_STATUS_OFFSET+2)
#define DEBUG_STATUS_BAD_TYPE (DEBUG_STATUS_OFFSET+3)
#define DEBUG_STATUS_NO_FIELD (DEBUG_STATUS_OFFSET+4)
+#define DEBUG_STATUS_ABORT (DEBUG_STATUS_OFFSET+5)
extern DBG_INTVAR DEBUG_IntVars[];
Index: programs/winedbg/expr.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/expr.c,v
retrieving revision 1.1
diff -u -u -r1.1 expr.c
--- programs/winedbg/expr.c 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/expr.c 10 Sep 2002 18:39:48 -0000
@@ -350,10 +356,16 @@
rtn.addr.seg = 0;
break;
case EXPR_TYPE_SYMBOL:
- if( !DEBUG_GetSymbolValue(exp->un.symbol.name, -1, &rtn, FALSE) )
+ switch (DEBUG_GetSymbolValue(exp->un.symbol.name, -1, &rtn, FALSE))
{
- DEBUG_Printf(DBG_CHN_MESG, "%s\n", exp->un.symbol.name);
+ case gsv_found:
+ break;
+ case gsv_unknown:
RaiseException(DEBUG_STATUS_NO_SYMBOL, 0, 0, NULL);
+ /* should never be here */
+ case gsv_aborted:
+ RaiseException(DEBUG_STATUS_ABORT, 0, 0, NULL);
+ /* should never be here */
}
break;
case EXPR_TYPE_PSTRUCT:
@@ -408,10 +420,17 @@
/*
* Now look up the address of the function itself.
*/
- if( !DEBUG_GetSymbolValue(exp->un.call.funcname, -1, &rtn, FALSE ) )
- {
+ switch (DEBUG_GetSymbolValue(exp->un.call.funcname, -1, &rtn, FALSE ))
+ {
+ case gsv_found:
+ break;
+ case gsv_unknown:
RaiseException(DEBUG_STATUS_NO_SYMBOL, 0, 0, NULL);
- }
+ /* should never be here */
+ case gsv_aborted:
+ RaiseException(DEBUG_STATUS_ABORT, 0, 0, NULL);
+ /* should never be here */
+ }
#if 0
/* FIXME: NEWDBG NIY */
Index: programs/winedbg/hash.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/hash.c,v
retrieving revision 1.1
diff -u -u -r1.1 hash.c
--- programs/winedbg/hash.c 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/hash.c 10 Sep 2002 18:58:02 -0000
@@ -346,6 +346,11 @@
* DEBUG_GetSymbolValue
*
* Get the address of a named symbol.
+ * Return values:
+ * gsv_found: if the symbol is found
+ * gsv_unknown: if the symbol isn't found
+ * gsv_aborted: some error occured (likely, many symbols of same name exist,
+ * and user didn't pick one of them)
*/
static int DEBUG_GSV_Helper(const char* name, const int lineno,
DBG_VALUE* value, int num, int bp_flag)
@@ -369,8 +374,9 @@
return i;
}
-BOOL DEBUG_GetSymbolValue( const char * name, const int lineno,
- DBG_VALUE *rtn, int bp_flag )
+enum get_sym_val DEBUG_GetSymbolValue( const char * name,
+ const int lineno,
+ DBG_VALUE *rtn, int bp_flag )
{
#define NUMDBGV 10
/* FIXME: NUMDBGV should be made variable */
@@ -398,7 +404,7 @@
}
if (num == 0) {
- return FALSE;
+ return gsv_unknown;
} else if (!DEBUG_InteractiveP || num == 1) {
i = 0;
} else {
@@ -429,6 +435,7 @@
i = 0;
if (DEBUG_ReadLine("=> ", buffer, sizeof(buffer)))
{
+ if (buffer[0] == '\0') return gsv_aborted;
i = atoi(buffer);
if (i < 1 || i > num)
DEBUG_Printf(DBG_CHN_MESG, "Invalid choice %d\n", i);
@@ -439,7 +446,7 @@
i--;
}
*rtn = value[i];
- return TRUE;
+ return gsv_found;
}
/***********************************************************************
Index: programs/winedbg/info.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/info.c,v
retrieving revision 1.1
diff -u -u -r1.1 info.c
--- programs/winedbg/info.c 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/info.c 10 Sep 2002 19:01:10 -0000
@@ -709,7 +709,7 @@
BOOL bAll;
void* addr;
- if (!DEBUG_GetSymbolValue("first_dll", -1, &val, FALSE))
+ if (DEBUG_GetSymbolValue("first_dll", -1, &val, FALSE) != gsv_found)
{
DEBUG_Printf(DBG_CHN_MESG, "Can't get first_option symbol");
return;
Index: programs/winedbg/stabs.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winedbg/stabs.c,v
retrieving revision 1.1
diff -u -u -r1.1 stabs.c
--- programs/winedbg/stabs.c 13 Sep 2002 17:54:28 -0000 1.1
+++ programs/winedbg/stabs.c 10 Sep 2002 19:01:18 -0000
@@ -1070,7 +1070,7 @@
* we will have to keep the darned thing, because there can be
* multiple local symbols by the same name.
*/
- if( (DEBUG_GetSymbolValue(symname, -1, &new_value, FALSE ) == TRUE)
+ if( (DEBUG_GetSymbolValue(symname, -1, &new_value, FALSE ) == gsv_found)
&& (new_value.addr.off == (load_addr + symp->st_value)) )
continue;
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