* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Authors: Nathan Binkert
- * Steve Reinhardt
*/
+#include "cpu/pc_event.hh"
+
#include <algorithm>
-#include <map>
#include <string>
#include <utility>
+#include "base/debug.hh"
#include "base/trace.hh"
-#include "config/full_system.hh"
-#include "cpu/base.hh"
-#include "cpu/thread_context.hh"
-#include "cpu/pc_event.hh"
-#include "sim/debug.hh"
+#include "debug/PCEvent.hh"
#include "sim/core.hh"
#include "sim/system.hh"
{
int removed = 0;
range_t range = equal_range(event);
- for (iterator i = range.first; i != range.second; ++i) {
+ iterator i = range.first;
+ while (i != range.second && i != pcMap.end()) {
if (*i == event) {
DPRINTF(PCEvent, "PC based event removed at %#x: %s\n",
event->pc(), event->descr());
- pc_map.erase(i);
+ i = pcMap.erase(i);
++removed;
+ } else {
+ i++;
}
}
bool
PCEventQueue::schedule(PCEvent *event)
{
- pc_map.push_back(event);
- sort(pc_map.begin(), pc_map.end(), MapCompare());
+ pcMap.push_back(event);
+ sort(pcMap.begin(), pcMap.end(), MapCompare());
DPRINTF(PCEvent, "PC based event scheduled for %#x: %s\n",
event->pc(), event->descr());
}
bool
-PCEventQueue::doService(ThreadContext *tc)
+PCEventQueue::doService(Addr pc, ThreadContext *tc)
{
- Addr pc = tc->readPC() & ~0x3;
+ // Using the raw PC address will fail to break on Alpha PALcode addresses,
+ // but that is a rare use case.
int serviced = 0;
range_t range = equal_range(pc);
for (iterator i = range.first; i != range.second; ++i) {
- // Make sure that the pc wasn't changed as the side effect of
- // another event. This for example, prevents two invocations
- // of the SkipFuncEvent. Maybe we should have separate PC
- // event queues for each processor?
- if (pc != (tc->readPC() & ~0x3))
- continue;
-
DPRINTF(PCEvent, "PC based event serviced at %#x: %s\n",
(*i)->pc(), (*i)->descr());
void
PCEventQueue::dump() const
{
- const_iterator i = pc_map.begin();
- const_iterator e = pc_map.end();
+ const_iterator i = pcMap.begin();
+ const_iterator e = pcMap.end();
for (; i != e; ++i)
- cprintf("%d: event at %#x: %s\n", curTick, (*i)->pc(),
+ cprintf("%d: event at %#x: %s\n", curTick(), (*i)->pc(),
(*i)->descr());
}
PCEventQueue::range_t
PCEventQueue::equal_range(Addr pc)
{
- return std::equal_range(pc_map.begin(), pc_map.end(), pc, MapCompare());
+ return std::equal_range(pcMap.begin(), pcMap.end(), pc, MapCompare());
}
-BreakPCEvent::BreakPCEvent(PCEventQueue *q, const std::string &desc, Addr addr,
+BreakPCEvent::BreakPCEvent(PCEventScope *s, const std::string &desc, Addr addr,
bool del)
- : PCEvent(q, desc, addr), remove(del)
+ : PCEvent(s, desc, addr), remove(del)
{
}
void
BreakPCEvent::process(ThreadContext *tc)
{
- StringWrap name(tc->getCpuPtr()->name() + ".break_event");
+ StringWrap name("break_event");
DPRINTFN("break event %s triggered\n", descr());
- debug_break();
+ Debug::breakpoint();
if (remove)
delete this;
}
-#if FULL_SYSTEM
-extern "C"
-void
-sched_break_pc_sys(System *sys, Addr addr)
+PanicPCEvent::PanicPCEvent(PCEventScope *s, const std::string &desc, Addr pc)
+ : PCEvent(s, desc, pc)
{
- new BreakPCEvent(&sys->pcEventQueue, "debug break", addr, true);
}
-extern "C"
void
-sched_break_pc(Addr addr)
+PanicPCEvent::process(ThreadContext *tc)
{
- for (vector<System *>::iterator sysi = System::systemList.begin();
- sysi != System::systemList.end(); ++sysi) {
- sched_break_pc_sys(*sysi, addr);
- }
-
+ StringWrap name("panic_event");
+ panic(descr());
}
-#endif