OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

creport: Implement process open, stub exception parsing.

Browse Source
This commit is contained in:
Michael Scire
2018-06-25 01:45:25 -06:00
parent 6ffc9bd8e0
commit 851d21a276
3 changed files with 207 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
stratosphere/creport/source/creport_crash_report.cpp
View File

@@ -1,10 +1,105 @@
#include <switch.h>
#include "creport_crash_report.hpp"
#include "creport_debug_types.hpp"
void CrashReport::BuildReport(u64 pid, bool has_extra_info) {
this->has_extra_info = has_extra_info;
if (OpenProcess(pid)) {
/* TODO: Actually generate report... */
ProcessExceptions();
/* TODO: More stuff here (sub_7100002260)... */
Close();
}
}
void CrashReport::ProcessExceptions() {
if (!IsOpen()) {
return;
}
DebugEventInfo d;
while (R_SUCCEEDED(svcGetDebugEvent((u8 *)&d, this->debug_handle))) {
switch (d.type) {
case DebugEventType::AttachProcess:
HandleAttachProcess(d);
break;
case DebugEventType::Exception:
HandleException(d);
break;
case DebugEventType::AttachThread:
case DebugEventType::ExitProcess:
case DebugEventType::ExitThread:
default:
break;
}
}
}
void CrashReport::HandleAttachProcess(DebugEventInfo &d) {
this->process_info = d.info.attach_process;
if (kernelAbove500() && IsApplication()) {
/* Parse out user data. */
MemoryInfo mi;
u32 pi;
u64 address = this->process_info.user_exception_context_address;
u64 userdata_address = 0;
u64 userdata_size = 0;
if (R_FAILED(svcQueryDebugProcessMemory(&mi, &pi, this->debug_handle, address))) {
return;
}
/* Must be read or read-write */
if ((mi.perm | Perm_W) != Perm_Rw) {
return;
}
/* Must have space for both userdata address and userdata size. */
if (address < mi.addr || mi.addr + mi.size < address + 2 * sizeof(u64)) {
return;
}
/* Read userdata address. */
if (R_FAILED(svcReadDebugProcessMemory(&userdata_address, this->debug_handle, address, sizeof(userdata_address)))) {
return;
}
/* Validate userdata address. */
if (userdata_address == 0 || userdata_address & 0xFFF) {
return;
}
/* Read userdata size. */
if (R_FAILED(svcReadDebugProcessMemory(&userdata_size, this->debug_handle, address + sizeof(userdata_address), sizeof(userdata_size)))) {
return;
}
/* Cap userdata size. */
if (userdata_size > 0x1000) {
userdata_size = 0x1000;
}
/* Assign. */
this->userdata_5x_address = userdata_address;
this->userdata_5x_size = userdata_size;
}
}
void CrashReport::HandleException(DebugEventInfo &d) {
switch (d.info.exception.type) {
case DebugExceptionType::UndefinedInstruction:
case DebugExceptionType::InstructionAbort:
case DebugExceptionType::DataAbort:
case DebugExceptionType::AlignmentFault:
case DebugExceptionType::UserBreak:
case DebugExceptionType::BadSvc:
case DebugExceptionType::UnknownNine:
/* TODO: Handle these exceptions...creport seems to discard all but the latest exception? */
break;
case DebugExceptionType::DebuggerAttached:
case DebugExceptionType::BreakPoint:
case DebugExceptionType::DebuggerBreak:
default:
break;
}
}