static void report_and_quit ( const Char* report,
UnwindStartRegs* startRegsIN )
{
Addr stacktop;
Addr ips[BACKTRACE_DEPTH];
Int n_ips;
ThreadState *tst
= VG_(get_ThreadState)( VG_(lwpid_to_vgtid)( VG_(gettid)() ) );
// If necessary, fake up an ExeContext which is of our actual real CPU
// state. Could cause problems if we got the panic/exception within the
// execontext/stack dump/symtab code. But it's better than nothing.
UnwindStartRegs startRegs;
VG_(memset)(&startRegs, 0, sizeof(startRegs));
if (startRegsIN == NULL) {
GET_STARTREGS(&startRegs);
} else {
startRegs = *startRegsIN;
}
stacktop = tst->os_state.valgrind_stack_init_SP;
n_ips =
VG_(get_StackTrace_wrk)(
0/*tid is unknown*/,
ips, BACKTRACE_DEPTH,
NULL/*array to dump SP values in*/,
NULL/*array to dump FP values in*/,
&startRegs, stacktop
);
VG_(clo_xml) = False;
VG_(pp_StackTrace) (ips, n_ips);
VG_(show_sched_status)();
VG_(printf)(
"\n"
"Note: see also the FAQ in the source distribution.\n"
"It contains workarounds to several common problems.\n"
"In particular, if Valgrind aborted or crashed after\n"
"identifying problems in your program, there's a good chance\n"
"that fixing those problems will prevent Valgrind aborting or\n"
"crashing, especially if it happened in m_mallocfree.c.\n"
"\n"
"If that doesn't help, please report this bug to: %s\n\n"
"In the bug report, send all the above text, the valgrind\n"
"version, and what OS and version you are using. Thanks.\n\n",
report);
VG_(exit)(1);
}
// Print the scheduler status.
static void show_sched_status_wrk ( Bool host_stacktrace,
Bool stack_usage,
Bool exited_threads,
const UnwindStartRegs* startRegsIN)
{
Int i;
if (host_stacktrace) {
const Bool save_clo_xml = VG_(clo_xml);
Addr stacktop;
Addr ips[BACKTRACE_DEPTH];
Int n_ips;
ThreadState *tst
= VG_(get_ThreadState)( VG_(lwpid_to_vgtid)( VG_(gettid)() ) );
// If necessary, fake up an ExeContext which is of our actual real CPU
// state. Could cause problems if we got the panic/exception within the
// execontext/stack dump/symtab code. But it's better than nothing.
UnwindStartRegs startRegs;
VG_(memset)(&startRegs, 0, sizeof(startRegs));
if (startRegsIN == NULL) {
GET_STARTREGS(&startRegs);
} else {
startRegs = *startRegsIN;
}
stacktop = tst->os_state.valgrind_stack_init_SP;
n_ips =
VG_(get_StackTrace_wrk)(
0/*tid is unknown*/,
ips, BACKTRACE_DEPTH,
NULL/*array to dump SP values in*/,
NULL/*array to dump FP values in*/,
&startRegs, stacktop
);
VG_(printf)("\nhost stacktrace:\n");
VG_(clo_xml) = False;
VG_(pp_StackTrace) (ips, n_ips);
VG_(clo_xml) = save_clo_xml;
}
VG_(printf)("\nsched status:\n");
VG_(printf)(" running_tid=%d\n", VG_(get_running_tid)());
for (i = 1; i < VG_N_THREADS; i++) {
VgStack* stack
= (VgStack*)VG_(threads)[i].os_state.valgrind_stack_base;
/* If a thread slot was never used (yet), valgrind_stack_base is 0.
If a thread slot is used by a thread or was used by a thread which
has exited, then valgrind_stack_base points to the stack base. */
if (VG_(threads)[i].status == VgTs_Empty
&& (!exited_threads || stack == 0)) continue;
VG_(printf)("\nThread %d: status = %s\n", i,
VG_(name_of_ThreadStatus)(VG_(threads)[i].status) );
if (VG_(threads)[i].status != VgTs_Empty)
VG_(get_and_pp_StackTrace)( i, BACKTRACE_DEPTH );
if (stack_usage && VG_(threads)[i].client_stack_highest_byte != 0 ) {
Addr start, end;
start = end = 0;
VG_(stack_limits)(VG_(threads)[i].client_stack_highest_byte,
&start, &end);
if (start != end)
VG_(printf)("client stack range: [%p %p] client SP: %p\n",
(void*)start, (void*)end, (void*)VG_(get_SP)(i));
else
VG_(printf)("client stack range: ???????\n");
}
if (stack_usage && stack != 0)
VG_(printf)("valgrind stack top usage: %ld of %ld\n",
VG_STACK_ACTIVE_SZB
- VG_(am_get_VgStack_unused_szB)(stack,
VG_STACK_ACTIVE_SZB),
(SizeT) VG_STACK_ACTIVE_SZB);
}
VG_(printf)("\n");
}
// Print the scheduler status.
static void show_sched_status_wrk ( Bool host_stacktrace,
Bool stack_usage,
Bool exited_threads,
const UnwindStartRegs* startRegsIN)
{
Int i;
if (host_stacktrace) {
const Bool save_clo_xml = VG_(clo_xml);
Addr stacktop;
Addr ips[BACKTRACE_DEPTH];
Int n_ips;
ThreadState *tst
= VG_(get_ThreadState)( VG_(lwpid_to_vgtid)( VG_(gettid)() ) );
// If necessary, fake up an ExeContext which is of our actual real CPU
// state. Could cause problems if we got the panic/exception within the
// execontext/stack dump/symtab code. But it's better than nothing.
UnwindStartRegs startRegs;
VG_(memset)(&startRegs, 0, sizeof(startRegs));
if (startRegsIN == NULL) {
GET_STARTREGS(&startRegs);
} else {
startRegs = *startRegsIN;
}
stacktop = tst->os_state.valgrind_stack_init_SP;
n_ips =
VG_(get_StackTrace_wrk)(
0/*tid is unknown*/,
ips, BACKTRACE_DEPTH,
NULL/*array to dump SP values in*/,
NULL/*array to dump FP values in*/,
&startRegs, stacktop
);
VG_(printf)("\nhost stacktrace:\n");
VG_(clo_xml) = False;
VG_(pp_StackTrace) (ips, n_ips);
VG_(clo_xml) = save_clo_xml;
}
VG_(printf)("\nsched status:\n");
if (VG_(threads) == NULL) {
VG_(printf)(" scheduler not yet initialised\n");
} else {
VG_(printf)(" running_tid=%u\n", VG_(get_running_tid)());
for (i = 1; i < VG_N_THREADS; i++) {
VgStack *stack
= (VgStack*)VG_(threads)[i].os_state.valgrind_stack_base;
/* If a thread slot was never used (yet), valgrind_stack_base is 0.
If a thread slot is used by a thread or was used by a thread which
has exited, then valgrind_stack_base points to the stack base. */
if (VG_(threads)[i].status == VgTs_Empty
&& (!exited_threads || stack == 0)) continue;
print_thread_state(stack_usage, "", i);
if (VG_(inner_threads) != NULL) {
/* An inner V has informed us (the outer) of its thread array.
Report the inner guest stack trace. */
UInt inner_tid;
for (inner_tid = 1; inner_tid < VG_N_THREADS; inner_tid++) {
if (VG_(threads)[i].os_state.lwpid
== VG_(inner_threads)[inner_tid].os_state.lwpid) {
ThreadState* save_outer_vg_threads = VG_(threads);
VG_(threads) = VG_(inner_threads);
print_thread_state(stack_usage, "INNER ", inner_tid);
VG_(threads) = save_outer_vg_threads;
break;
}
}
}
}
}
VG_(printf)("\n");
}