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Code Issues Releases Activity

creport: Complete crash report saving.

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This commit is contained in:
Michael Scire 2018-06-26 00:44:58 -06:00
parent d5b303f852
commit 4eadeb021b
7 changed files with 231 additions and 45 deletions
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13
stratosphere/creport/source/creport_code_info.cpp
View file

@ -2,6 +2,19 @@
#include <cstring>
#include "creport_code_info.hpp"
#include "creport_crash_report.hpp"
void CodeList::SaveToFile(FILE *f_report) {
fprintf(f_report, " Number of Code Regions: %u\n", this->code_count);
for (unsigned int i = 0; i < this->code_count; i++) {
fprintf(f_report, " Code Region %02u:\n", i);
fprintf(f_report, " Address: %016lx-%016lx\n", this->code_infos[i].start_address, this->code_infos[i].end_address);
if (this->code_infos[i].name[0]) {
fprintf(f_report, " Name: %s\n", this->code_infos[i].name);
}
CrashReport::Memdump(f_report, " Build Id: ", this->code_infos[i].build_id, sizeof(this->code_infos[i].build_id));
}
}
void CodeList::ReadCodeRegionsFromProcess(Handle debug_handle, u64 pc, u64 lr) {
u64 code_base;

2
stratosphere/creport/source/creport_code_info.hpp
View file

@ -1,5 +1,6 @@
#pragma once
#include <switch.h>
#include <cstdio>
#include "creport_debug_types.hpp"
@ -19,6 +20,7 @@ class CodeList {
CodeList() : code_count(0) { }
void ReadCodeRegionsFromProcess(Handle debug_handle, u64 pc, u64 lr);
void SaveToFile(FILE *f_report);
private:
bool TryFindCodeRegion(Handle debug_handle, u64 guess, u64 *address);
void GetCodeInfoName(u64 debug_handle, u64 ro_address, char *name);

165
stratosphere/creport/source/creport_crash_report.cpp
View file

@ -7,43 +7,6 @@
#include "creport_crash_report.hpp"
#include "creport_debug_types.hpp"
void CrashReport::EnsureReportDirectories() {
char path[FS_MAX_PATH];
strcpy(path, "sdmc:/atmosphere");
mkdir(path, S_IRWXU);
strcat(path, "/crash reports");
mkdir(path, S_IRWXU);
strcat(path, "/dumps");
mkdir(path, S_IRWXU);
}
void CrashReport::SaveReport() {
/* TODO: Save the report to the SD card. */
char report_path[FS_MAX_PATH];
/* Ensure path exists. */
EnsureReportDirectories();
/* Get a timestamp. */
u64 timestamp;
if (!GetCurrentTime(&timestamp)) {
timestamp = svcGetSystemTick();
}
/* Open report file. */
snprintf(report_path, sizeof(report_path) - 1, "sdmc:/atmosphere/crash reports/%020lu_%016lx.log", timestamp, process_info.title_id);
FILE *f_report = fopen(report_path, "w");
if (f_report == NULL) {
return;
}
fprintf(f_report, "Atmosphere Crash Report:\n");
/* TODO: Actually report about the crash. */
fclose(f_report);
}
void CrashReport::BuildReport(u64 pid, bool has_extra_info) {
this->has_extra_info = has_extra_info;
if (OpenProcess(pid)) {
@ -125,14 +88,13 @@ void CrashReport::HandleAttachProcess(DebugEventInfo &d) {
}
void CrashReport::HandleException(DebugEventInfo &d) {
this->exception_info = d.info.exception;
switch (d.info.exception.type) {
case DebugExceptionType::UndefinedInstruction:
this->result = (Result)CrashReportResult::UndefinedInstruction;
break;
case DebugExceptionType::InstructionAbort:
this->result = (Result)CrashReportResult::InstructionAbort;
this->exception_info.specific.raw = 0;
d.info.exception.specific.raw = 0;
break;
case DebugExceptionType::DataAbort:
this->result = (Result)CrashReportResult::DataAbort;
@ -143,8 +105,8 @@ void CrashReport::HandleException(DebugEventInfo &d) {
case DebugExceptionType::UserBreak:
this->result = (Result)CrashReportResult::UserBreak;
/* Try to parse out the user break result. */
if (kernelAbove500() && IsAddressReadable(this->exception_info.specific.user_break.address, sizeof(this->result))) {
svcReadDebugProcessMemory(&this->result, this->debug_handle, this->exception_info.specific.user_break.address, sizeof(this->result));
if (kernelAbove500() && IsAddressReadable(d.info.exception.specific.user_break.address, sizeof(this->result))) {
svcReadDebugProcessMemory(&this->result, this->debug_handle, d.info.exception.specific.user_break.address, sizeof(this->result));
}
break;
case DebugExceptionType::BadSvc:
@ -152,7 +114,7 @@ void CrashReport::HandleException(DebugEventInfo &d) {
break;
case DebugExceptionType::UnknownNine:
this->result = (Result)CrashReportResult::UnknownNine;
this->exception_info.specific.raw = 0;
d.info.exception.specific.raw = 0;
break;
case DebugExceptionType::DebuggerAttached:
case DebugExceptionType::BreakPoint:
@ -160,6 +122,7 @@ void CrashReport::HandleException(DebugEventInfo &d) {
default:
return;
}
this->exception_info = d.info.exception;
/* Parse crashing thread info. */
this->crashed_thread_info.ReadFromProcess(this->debug_handle, d.thread_id, Is64Bit());
}
@ -237,3 +200,121 @@ bool CrashReport::GetCurrentTime(u64 *out) {
}
return success;
}
void CrashReport::EnsureReportDirectories() {
char path[FS_MAX_PATH];
strcpy(path, "sdmc:/atmosphere");
mkdir(path, S_IRWXU);
strcat(path, "/crash reports");
mkdir(path, S_IRWXU);
strcat(path, "/dumps");
mkdir(path, S_IRWXU);
}
void CrashReport::SaveReport() {
/* TODO: Save the report to the SD card. */
char report_path[FS_MAX_PATH];
/* Ensure path exists. */
EnsureReportDirectories();
/* Get a timestamp. */
u64 timestamp;
if (!GetCurrentTime(&timestamp)) {
timestamp = svcGetSystemTick();
}
/* Open report file. */
snprintf(report_path, sizeof(report_path) - 1, "sdmc:/atmosphere/crash reports/%011lu_%016lx.log", timestamp, process_info.title_id);
FILE *f_report = fopen(report_path, "w");
if (f_report == NULL) {
return;
}
this->SaveToFile(f_report);
fclose(f_report);
/* Dump threads. */
snprintf(report_path, sizeof(report_path) - 1, "sdmc:/atmosphere/crash reports/dumps/%011lu_%016lx_thread_info.bin", timestamp, process_info.title_id);
f_report = fopen(report_path, "wb");
this->thread_list.DumpBinary(f_report, this->crashed_thread_info.GetId());
fclose(f_report);
}
void CrashReport::SaveToFile(FILE *f_report) {
char buf[0x10] = {0};
fprintf(f_report, "Atmosphère Crash Report (v1.0):\n");
fprintf(f_report, "Result: 0x%X (2%03d-%04d)\n\n", this->result, R_MODULE(this->result), R_DESCRIPTION(this->result));
/* Process Info. */
memcpy(buf, this->process_info.name, sizeof(this->process_info.name));
fprintf(f_report, "Process Info:\n");
fprintf(f_report, " Process Name: %s\n", buf);
fprintf(f_report, " Title ID: %016lx\n", this->process_info.title_id);
fprintf(f_report, " Process ID: %016lx\n", this->process_info.process_id);
fprintf(f_report, " Process Flags: %08x\n", this->process_info.flags);
if (kernelAbove500()) {
fprintf(f_report, " User Exception Address: %016lx\n", this->process_info.user_exception_context_address);
}
fprintf(f_report, "Exception Info:\n");
fprintf(f_report, " Type: %s\n", GetDebugExceptionTypeStr(this->exception_info.type));
fprintf(f_report, " Address: %016lx\n", this->exception_info.address);
switch (this->exception_info.type) {
case DebugExceptionType::UndefinedInstruction:
fprintf(f_report, " Opcode: %08x\n", this->exception_info.specific.undefined_instruction.insn);
break;
case DebugExceptionType::DataAbort:
case DebugExceptionType::AlignmentFault:
if (this->exception_info.specific.raw != this->exception_info.address) {
fprintf(f_report, " Fault Address: %016lx\n", this->exception_info.specific.raw);
}
break;
case DebugExceptionType::BadSvc:
fprintf(f_report, " Svc Id: 0x%02x\n", this->exception_info.specific.bad_svc.id);
break;
default:
break;
}
fprintf(f_report, "Crashed Thread Info:\n");
this->crashed_thread_info.SaveToFile(f_report);
if (kernelAbove500()) {
fprintf(f_report, "Code Region Info:\n");
this->code_list.SaveToFile(f_report);
fprintf(f_report, "\nThread Report:\n");
this->thread_list.SaveToFile(f_report);
}
}
/* Lifted from hactool. */
void CrashReport::Memdump(FILE *f, const char *prefix, const void *data, size_t size) {
uint8_t *p = (uint8_t *)data;
unsigned int prefix_len = strlen(prefix);
size_t offset = 0;
int first = 1;
while (size) {
unsigned int max = 32;
if (max > size) {
max = size;
}
if (first) {
fprintf(f, "%s", prefix);
first = 0;
} else {
fprintf(f, "%*s", prefix_len, "");
}
for (unsigned int i = 0; i < max; i++) {
fprintf(f, "%02X", p[offset++]);
}
fprintf(f, "\n");
size -= max;
}
}

9
stratosphere/creport/source/creport_crash_report.hpp
View file

@ -1,6 +1,7 @@
#pragma once
#include <switch.h>
#include <cstdio>
#include "creport_debug_types.hpp"
#include "creport_thread_info.hpp"
@ -43,14 +44,16 @@ class CrashReport {
ThreadList thread_list;
public:
CrashReport() : debug_handle(INVALID_HANDLE), result((Result)CrashReportResult::IncompleteReport), process_info({}), dying_message_address(0),
dying_message_size(0), dying_message{}, exception_info({}) { }
CrashReport() : debug_handle(INVALID_HANDLE), result((Result)CrashReportResult::IncompleteReport), process_info{0}, dying_message_address(0),
dying_message_size(0), dying_message{0}, exception_info({}) { }
void BuildReport(u64 pid, bool has_extra_info);
void SaveReport();
bool IsAddressReadable(u64 address, u64 size, MemoryInfo *mi = NULL);
static void Memdump(FILE *f, const char *prefix, const void *data, size_t size);
Result GetResult() {
return this->result;
}
@ -91,6 +94,8 @@ class CrashReport {
void HandleAttachProcess(DebugEventInfo &d);
void HandleException(DebugEventInfo &d);
void SaveToFile(FILE *f);
void EnsureReportDirectories();
bool GetCurrentTime(u64 *out);
};

27
stratosphere/creport/source/creport_debug_types.hpp
View file

@ -36,6 +36,33 @@ enum class DebugExceptionType : u32 {
UnknownNine = 9,
};
static inline const char *GetDebugExceptionTypeStr(DebugExceptionType type) {
switch (type) {
case DebugExceptionType::UndefinedInstruction:
return "Undefined Instruction";
case DebugExceptionType::InstructionAbort:
return "Instruction Abort";
case DebugExceptionType::DataAbort:
return "Data Abort";
case DebugExceptionType::AlignmentFault:
return "Alignment Fault";
case DebugExceptionType::DebuggerAttached:
return "Debugger Attached";
case DebugExceptionType::BreakPoint:
return "Break Point";
case DebugExceptionType::UserBreak:
return "User Break";
case DebugExceptionType::DebuggerBreak:
return "Debugger Break";
case DebugExceptionType::BadSvc:
return "Bad Svc";
case DebugExceptionType::UnknownNine:
return "Unknown Nine";
default:
return "Unknown";
}
}
struct UndefinedInstructionInfo {
u32 insn;
};

52
stratosphere/creport/source/creport_thread_info.cpp
View file

@ -1,6 +1,29 @@
#include <switch.h>
#include <cstring>
#include "creport_thread_info.hpp"
#include "creport_crash_report.hpp"
void ThreadInfo::SaveToFile(FILE *f_report) {
fprintf(f_report, " Thread ID: %016lx\n", this->thread_id);
if (stack_top) {
fprintf(f_report, " Stack: %016lx-%016lx\n", this->stack_bottom, this->stack_top);
}
fprintf(f_report, " Registers:\n");
{
for (unsigned int i = 0; i <= 28; i++) {
fprintf(f_report, " X[%02u]: %016lx\n", i, this->context.x[i]);
}
fprintf(f_report, " FP: %016lx\n", this->context.fp);
fprintf(f_report, " LR: %016lx\n", this->context.lr);
fprintf(f_report, " SP: %016lx\n", this->context.sp);
fprintf(f_report, " PC: %016lx\n", this->context.pc);
}
fprintf(f_report, " Stack Trace:\n");
for (unsigned int i = 0; i < this->stack_trace_size; i++) {
fprintf(f_report, " ReturnAddress[%02u]: %016lx\n", i, this->stack_trace[i]);
}
}
bool ThreadInfo::ReadFromProcess(Handle debug_handle, u64 thread_id, bool is_64_bit) {
this->thread_id = thread_id;
@ -77,6 +100,35 @@ void ThreadInfo::TryGetStackInfo(Handle debug_handle) {
}
}
void ThreadInfo::DumpBinary(FILE *f_bin) {
fwrite(&this->thread_id, sizeof(this->thread_id), 1, f_bin);
fwrite(&this->context, sizeof(this->context), 1, f_bin);
u64 sts = this->stack_trace_size;
fwrite(&sts, sizeof(sts), 1, f_bin);
fwrite(this->stack_trace, sizeof(u64), this->stack_trace_size, f_bin);
fwrite(&this->stack_bottom, sizeof(this->stack_bottom), 1, f_bin);
fwrite(&this->stack_top, sizeof(this->stack_top), 1, f_bin);
}
void ThreadList::DumpBinary(FILE *f_bin, u64 crashed_id) {
u32 magic = 0x30495444; /* 'DTI0' */
fwrite(&magic, sizeof(magic), 1, f_bin);
fwrite(&this->thread_count, sizeof(u32), 1, f_bin);
fwrite(&crashed_id, sizeof(crashed_id), 1, f_bin);
for (unsigned int i = 0; i < this->thread_count; i++) {
this->thread_infos[i].DumpBinary(f_bin);
}
}
void ThreadList::SaveToFile(FILE *f_report) {
fprintf(f_report, "Number of Threads: %02u\n", this->thread_count);
for (unsigned int i = 0; i < this->thread_count; i++) {
fprintf(f_report, "Threads[%02u]:\n", i);
this->thread_infos[i].SaveToFile(f_report);
}
}
void ThreadList::ReadThreadsFromProcess(Handle debug_handle, bool is_64_bit) {
u32 thread_count;
u64 thread_ids[max_thread_count];

8
stratosphere/creport/source/creport_thread_info.hpp
View file

@ -1,5 +1,6 @@
#pragma once
#include <switch.h>
#include <cstdio>
#include "creport_debug_types.hpp"
@ -37,12 +38,15 @@ class ThreadInfo {
u64 stack_trace[0x20];
u32 stack_trace_size;
public:
ThreadInfo() : context{}, thread_id(0), stack_top(0), stack_bottom(0), stack_trace{}, stack_trace_size(0) { }
ThreadInfo() : context{0}, thread_id(0), stack_top(0), stack_bottom(0), stack_trace{0}, stack_trace_size(0) { }
u64 GetPC() { return context.pc; }
u64 GetLR() { return context.lr; }
u64 GetId() { return thread_id; }
bool ReadFromProcess(Handle debug_handle, u64 thread_id, bool is_64_bit);
void SaveToFile(FILE *f_report);
void DumpBinary(FILE *f_bin);
private:
void TryGetStackInfo(Handle debug_handle);
};
@ -55,5 +59,7 @@ class ThreadList {
public:
ThreadList() : thread_count(0) { }
void SaveToFile(FILE *f_report);
void DumpBinary(FILE *f_bin, u64 crashed_id);
void ReadThreadsFromProcess(Handle debug_handle, bool is_64_bit);
};