12 #if defined(__APPLE__) 14 #include <kern/exc_resource.h> 32 const char *StopInfoMachException::GetDescription() {
33 if (m_description.empty() && m_value != 0) {
35 Target *target = exe_ctx.GetTargetPtr();
36 const llvm::Triple::ArchType cpu =
38 : llvm::Triple::UnknownArch;
40 const char *exc_desc = NULL;
41 const char *code_label =
"code";
42 const char *code_desc = NULL;
43 const char *subcode_label =
"subcode";
44 const char *subcode_desc = NULL;
46 #if defined(__APPLE__) 47 char code_desc_buf[32];
48 char subcode_desc_buf[32];
53 exc_desc =
"EXC_BAD_ACCESS";
54 subcode_label =
"address";
56 case llvm::Triple::x86:
57 case llvm::Triple::x86_64:
60 code_desc =
"EXC_I386_GPFLT";
65 case llvm::Triple::arm:
66 case llvm::Triple::thumb:
69 code_desc =
"EXC_ARM_DA_ALIGN";
72 code_desc =
"EXC_ARM_DA_DEBUG";
77 case llvm::Triple::ppc:
78 case llvm::Triple::ppc64:
81 code_desc =
"EXC_PPC_VM_PROT_READ";
84 code_desc =
"EXC_PPC_BADSPACE";
87 code_desc =
"EXC_PPC_UNALIGNED";
98 exc_desc =
"EXC_BAD_INSTRUCTION";
100 case llvm::Triple::x86:
101 case llvm::Triple::x86_64:
103 code_desc =
"EXC_I386_INVOP";
106 case llvm::Triple::ppc:
107 case llvm::Triple::ppc64:
108 switch (m_exc_code) {
110 code_desc =
"EXC_PPC_INVALID_SYSCALL";
113 code_desc =
"EXC_PPC_UNIPL_INST";
116 code_desc =
"EXC_PPC_PRIVINST";
119 code_desc =
"EXC_PPC_PRIVREG";
122 code_desc =
"EXC_PPC_TRACE";
125 code_desc =
"EXC_PPC_PERFMON";
130 case llvm::Triple::arm:
131 case llvm::Triple::thumb:
133 code_desc =
"EXC_ARM_UNDEFINED";
142 exc_desc =
"EXC_ARITHMETIC";
144 case llvm::Triple::x86:
145 case llvm::Triple::x86_64:
146 switch (m_exc_code) {
148 code_desc =
"EXC_I386_DIV";
151 code_desc =
"EXC_I386_INTO";
154 code_desc =
"EXC_I386_NOEXT";
157 code_desc =
"EXC_I386_EXTOVR";
160 code_desc =
"EXC_I386_EXTERR";
163 code_desc =
"EXC_I386_EMERR";
166 code_desc =
"EXC_I386_BOUND";
169 code_desc =
"EXC_I386_SSEEXTERR";
174 case llvm::Triple::ppc:
175 case llvm::Triple::ppc64:
176 switch (m_exc_code) {
178 code_desc =
"EXC_PPC_OVERFLOW";
181 code_desc =
"EXC_PPC_ZERO_DIVIDE";
184 code_desc =
"EXC_PPC_FLT_INEXACT";
187 code_desc =
"EXC_PPC_FLT_ZERO_DIVIDE";
190 code_desc =
"EXC_PPC_FLT_UNDERFLOW";
193 code_desc =
"EXC_PPC_FLT_OVERFLOW";
196 code_desc =
"EXC_PPC_FLT_NOT_A_NUMBER";
207 exc_desc =
"EXC_EMULATION";
211 exc_desc =
"EXC_SOFTWARE";
212 if (m_exc_code == 0x10003) {
213 subcode_desc =
"EXC_SOFT_SIGNAL";
214 subcode_label =
"signo";
220 exc_desc =
"EXC_BREAKPOINT";
222 case llvm::Triple::x86:
223 case llvm::Triple::x86_64:
224 switch (m_exc_code) {
226 code_desc =
"EXC_I386_SGL";
229 code_desc =
"EXC_I386_BPT";
234 case llvm::Triple::ppc:
235 case llvm::Triple::ppc64:
236 switch (m_exc_code) {
238 code_desc =
"EXC_PPC_BREAKPOINT";
243 case llvm::Triple::arm:
244 case llvm::Triple::thumb:
245 switch (m_exc_code) {
247 code_desc =
"EXC_ARM_DA_ALIGN";
250 code_desc =
"EXC_ARM_DA_DEBUG";
253 code_desc =
"EXC_ARM_BREAKPOINT";
258 code_desc =
"EXC_ARM_BREAKPOINT";
269 exc_desc =
"EXC_SYSCALL";
273 exc_desc =
"EXC_MACH_SYSCALL";
277 exc_desc =
"EXC_RPC_ALERT";
281 exc_desc =
"EXC_CRASH";
284 exc_desc =
"EXC_RESOURCE";
285 #if defined(__APPLE__) 287 int resource_type = EXC_RESOURCE_DECODE_RESOURCE_TYPE(m_exc_code);
289 code_label =
"limit";
290 code_desc = code_desc_buf;
291 subcode_label =
"observed";
292 subcode_desc = subcode_desc_buf;
294 switch (resource_type) {
295 case RESOURCE_TYPE_CPU:
296 exc_desc =
"EXC_RESOURCE RESOURCE_TYPE_CPU";
297 snprintf(code_desc_buf,
sizeof(code_desc_buf),
"%d%%",
298 (
int)EXC_RESOURCE_CPUMONITOR_DECODE_PERCENTAGE(m_exc_code));
299 snprintf(subcode_desc_buf,
sizeof(subcode_desc_buf),
"%d%%",
300 (
int)EXC_RESOURCE_CPUMONITOR_DECODE_PERCENTAGE_OBSERVED(m_exc_subcode));
302 case RESOURCE_TYPE_WAKEUPS:
303 exc_desc =
"EXC_RESOURCE RESOURCE_TYPE_WAKEUPS";
304 snprintf(code_desc_buf,
sizeof(code_desc_buf),
"%d w/s",
305 (
int)EXC_RESOURCE_CPUMONITOR_DECODE_WAKEUPS_PERMITTED(m_exc_code));
306 snprintf(subcode_desc_buf,
sizeof(subcode_desc_buf),
"%d w/s",
307 (
int)EXC_RESOURCE_CPUMONITOR_DECODE_WAKEUPS_OBSERVED(m_exc_subcode));
309 case RESOURCE_TYPE_MEMORY:
310 exc_desc =
"EXC_RESOURCE RESOURCE_TYPE_MEMORY";
311 snprintf(code_desc_buf,
sizeof(code_desc_buf),
"%d MB",
312 (
int)EXC_RESOURCE_HWM_DECODE_LIMIT(m_exc_code));
313 subcode_desc =
nullptr;
314 subcode_label =
"unused";
316 case RESOURCE_TYPE_IO:
317 exc_desc =
"EXC_RESOURCE RESOURCE_TYPE_IO";
318 snprintf(code_desc_buf,
sizeof(code_desc_buf),
"%d MB",
319 (
int)EXC_RESOURCE_IO_DECODE_LIMIT(m_exc_code));
320 snprintf(subcode_desc_buf,
sizeof(subcode_desc_buf),
"%d MB",
321 (
int)EXC_RESOURCE_IO_OBSERVED(m_exc_subcode));;
328 exc_desc =
"EXC_GUARD";
337 strm.
Printf(
"EXC_??? (%" PRIu64
")", m_value);
339 if (m_exc_data_count >= 1) {
341 strm.
Printf(
" (%s=%s", code_label, code_desc);
343 strm.
Printf(
" (%s=%" PRIu64, code_label, m_exc_code);
346 if (m_exc_data_count >= 2) {
348 strm.
Printf(
", %s=%s", subcode_label, subcode_desc);
350 strm.
Printf(
", %s=0x%" PRIx64, subcode_label, m_exc_subcode);
353 if (m_exc_data_count > 0)
358 return m_description.c_str();
361 StopInfoSP StopInfoMachException::CreateStopReasonWithMachException(
363 uint64_t exc_code, uint64_t exc_sub_code, uint64_t exc_sub_sub_code,
364 bool pc_already_adjusted,
bool adjust_pc_if_needed) {
368 Target *target = exe_ctx.GetTargetPtr();
369 const llvm::Triple::ArchType cpu =
371 : llvm::Triple::UnknownArch;
379 case llvm::Triple::ppc:
380 case llvm::Triple::ppc64:
388 return StopInfo::CreateStopReasonToTrace(thread);
404 if (exc_code == 0x10003)
406 if (exc_sub_code == 5) {
411 DynamicLoader *dynamic_loader = process_sp->GetDynamicLoader();
414 return StopInfo::CreateStopReasonWithExec(thread);
438 return StopInfo::CreateStopReasonWithSignal(thread, exc_sub_code);
444 bool is_actual_breakpoint =
false;
445 bool is_trace_if_actual_breakpoint_missing =
false;
447 case llvm::Triple::x86:
448 case llvm::Triple::x86_64:
456 is_actual_breakpoint =
true;
457 is_trace_if_actual_breakpoint_missing =
true;
462 lldb::WatchpointSP wp_sp;
464 wp_sp = target->GetWatchpointList().FindByAddress(
466 if (wp_sp && wp_sp->IsEnabled()) {
470 if (exc_data_count >= 3)
471 wp_sp->SetHardwareIndex((
uint32_t)exc_sub_sub_code);
472 return StopInfo::CreateStopReasonWithWatchpointID(thread,
476 }
else if (exc_code == 2 ||
481 is_trace_if_actual_breakpoint_missing =
true;
483 is_actual_breakpoint =
true;
484 if (!pc_already_adjusted)
489 case llvm::Triple::ppc:
490 case llvm::Triple::ppc64:
491 is_actual_breakpoint = exc_code == 1;
494 case llvm::Triple::arm:
495 case llvm::Triple::thumb:
496 if (exc_code == 0x102)
500 lldb::WatchpointSP wp_sp;
502 wp_sp = target->GetWatchpointList().FindByAddress(
504 if (wp_sp && wp_sp->IsEnabled()) {
508 if (exc_data_count >= 3)
509 wp_sp->SetHardwareIndex((
uint32_t)exc_sub_sub_code);
510 return StopInfo::CreateStopReasonWithWatchpointID(thread,
513 is_actual_breakpoint =
true;
514 is_trace_if_actual_breakpoint_missing =
true;
516 }
else if (exc_code == 1)
518 is_actual_breakpoint =
true;
519 is_trace_if_actual_breakpoint_missing =
true;
520 }
else if (exc_code == 0)
525 is_actual_breakpoint =
true;
526 is_trace_if_actual_breakpoint_missing =
true;
530 case llvm::Triple::aarch64: {
531 if (exc_code == 1 && exc_sub_code == 0)
535 is_actual_breakpoint =
false;
536 is_trace_if_actual_breakpoint_missing =
true;
538 if (exc_code == 0x102)
542 lldb::WatchpointSP wp_sp;
544 wp_sp = target->GetWatchpointList().FindByAddress(
546 if (wp_sp && wp_sp->IsEnabled()) {
550 if (exc_data_count >= 3)
551 wp_sp->SetHardwareIndex((
uint32_t)exc_sub_sub_code);
552 return StopInfo::CreateStopReasonWithWatchpointID(thread,
558 return StopInfo::CreateStopReasonToTrace(thread);
562 is_actual_breakpoint = exc_code == 1;
570 if (is_actual_breakpoint) {
572 addr_t pc = reg_ctx_sp->GetPC() - pc_decrement;
576 lldb::BreakpointSiteSP bp_site_sp;
578 bp_site_sp = process_sp->GetBreakpointSiteList().FindByAddress(pc);
579 if (bp_site_sp && bp_site_sp->IsEnabled()) {
583 if (pc_decrement > 0 && adjust_pc_if_needed)
584 reg_ctx_sp->SetPC(pc);
595 if (bp_site_sp->ValidForThisThread(&thread) ||
596 thread.
GetProcess()->GetOperatingSystem() != NULL)
597 return StopInfo::CreateStopReasonWithBreakpointSiteID(
598 thread, bp_site_sp->
GetID());
599 else if (is_trace_if_actual_breakpoint_missing)
600 return StopInfo::CreateStopReasonToTrace(thread);
606 if (is_trace_if_actual_breakpoint_missing &&
608 return StopInfo::CreateStopReasonToTrace(thread);
621 thread, exc_type, exc_data_count, exc_code, exc_sub_code));
size_t PutCString(llvm::StringRef cstr)
Output a C string to the stream.
Enumerations for broadcasting.
const ArchSpec & GetArchitecture() const
lldb::user_id_t GetID() const
Get accessor for the user ID.
virtual bool ProcessDidExec()
Helper function that can be used to detect when a process has called exec and is now a new and differ...
"lldb/Target/ExecutionContext.h" A class that contains an execution context.
llvm::StringRef GetString() const
virtual lldb::RegisterContextSP GetRegisterContext()=0
lldb::ProcessSP CalculateProcess() override
size_t Printf(const char *format,...) __attribute__((format(printf
Output printf formatted output to the stream.
Process or thread is in the process of stepping and can not be examined.
lldb::ProcessSP GetProcess() const
A plug-in interface definition class for dynamic loaders.
lldb::StateType GetTemporaryResumeState() const
llvm::Triple::ArchType GetMachine() const
Returns a machine family for the current architecture.