The following patch enables GDB 6.x for the simulator. Please give this
a try if you happen to use the Xenosim. TIA,
--- sim/scope/gdbhelper.cc (revision 904)
+++ sim/scope/gdbhelper.cc (working copy)
@@ -423,6 +423,8 @@
char *ibuf = gdb_ibuf.gets(), *estart = gdb_ibuf.gets();
+ Tcl_ResetResult(tclInterp);
+
for (;;)
{
if (*ibuf == '\0' || *ibuf == '\n')
@@ -504,7 +506,7 @@
// the contents of the log did not match anything known to
// the caller. We cannot return -1, which value is reserved
// to indicate that the connection with GDB has been lost.
-
+
Tcl_AppendElement(tclInterp,CString(rc2 ? rc2 : nre).gets());
Tcl_AppendElement(tclInterp,matched);
Tcl_AppendElement(tclInterp,Tcl_DStringValue(&gdb_ilog));
Index: sim/scope/tcl/gdb.tcl
===================================================================
--- sim/scope/tcl/gdb.tcl (revision 904)
+++ sim/scope/tcl/gdb.tcl (working copy)
@@ -850,8 +850,10 @@
regexp "\[^\"\]+.(\[^\"\]+).*" $matched mvar curfocus
}
- # query stack information
- set rl [gdb:command where ls]
+ # query stack information -- auto-limit to the inner last 32
+ # frames in order to work-around the issue GDB 6.x has with
+ # ucontext(2) driven co-routines.
+ set rl [gdb:command "where 32" ls]
set stackinfo [lindex $rl 2]
if {$stackinfo == {}} {
--
Philippe.
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