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Code Issues Releases Wiki Activity

Add more information for segfault reports (#7538)

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Eladash 2020-02-22 12:58:42 +02:00 committed by GitHub
parent 171e6c6e54
commit 6bb083a77c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 51 additions and 9 deletions
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60
Utilities/Thread.cpp
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@ -8,6 +8,7 @@
#include "sysinfo.h"
#include <typeinfo>
#include <thread>
#include <sstream>
#ifdef _WIN32
#include <Windows.h>
@ -43,6 +44,7 @@
#include "Log.h"
LOG_CHANNEL(sig_log);
LOG_CHANNEL(sys_log, "SYS");
LOG_CHANNEL(vm_log, "VM");
thread_local u64 g_tls_fault_all = 0;
@ -50,6 +52,14 @@ thread_local u64 g_tls_fault_rsx = 0;
thread_local u64 g_tls_fault_spu = 0;
extern thread_local std::string(*g_tls_log_prefix)();
template <>
void fmt_class_string<std::thread::id>::format(std::string& out, u64 arg)
{
std::ostringstream ss;
ss << get_object(arg);
out += ss.str();
}
[[noreturn]] void catch_all_exceptions()
{
try
@ -1526,18 +1536,32 @@ static LONG exception_filter(PEXCEPTION_POINTERS pExp) noexcept
{
const auto cause = pExp->ExceptionRecord->ExceptionInformation[0] != 0 ? "writing" : "reading";
msg += fmt::format("Segfault %s location %p at %p.\n", cause, pExp->ExceptionRecord->ExceptionInformation[1], pExp->ExceptionRecord->ExceptionAddress);
fmt::append(msg, "Segfault %s location %p at %p.\n", cause, pExp->ExceptionRecord->ExceptionInformation[1], pExp->ExceptionRecord->ExceptionAddress);
}
else
{
msg += fmt::format("Exception address: %p.\n", pExp->ExceptionRecord->ExceptionAddress);
fmt::append(msg, "Exception address: %p.\n", pExp->ExceptionRecord->ExceptionAddress);
for (DWORD i = 0; i < pExp->ExceptionRecord->NumberParameters; i++)
{
msg += fmt::format("ExceptionInformation[0x%x]: %p.\n", i, pExp->ExceptionRecord->ExceptionInformation[i]);
fmt::append(msg, "ExceptionInformation[0x%x]: %p.\n", i, pExp->ExceptionRecord->ExceptionInformation[i]);
}
}
if (thread_ctrl::get_current())
{
fmt::append(msg, "Emu Thread Name: '%s'.\n", thread_ctrl::get_name());
if (const auto cpu = get_current_cpu_thread())
{
sys_log.notice("\n%s", cpu->dump());
}
}
// TODO: Report full thread name if not an emu thread
fmt::append(msg, "Thread id = %s.\n", std::this_thread::get_id());
std::vector<HMODULE> modules;
for (DWORD size = 256; modules.size() != size; size /= sizeof(HMODULE))
{
@ -1549,14 +1573,14 @@ static LONG exception_filter(PEXCEPTION_POINTERS pExp) noexcept
}
}
msg += fmt::format("Instruction address: %p.\n", pExp->ContextRecord->Rip);
fmt::append(msg, "Instruction address: %p.\n", pExp->ContextRecord->Rip);
DWORD64 unwind_base;
if (const auto rtf = RtlLookupFunctionEntry(pExp->ContextRecord->Rip, &unwind_base, nullptr))
{
// Get function address
const DWORD64 func_addr = rtf->BeginAddress + unwind_base;
msg += fmt::format("Function address: %p (base+0x%x).\n", func_addr, rtf->BeginAddress);
fmt::append(msg, "Function address: %p (base+0x%x).\n", func_addr, rtf->BeginAddress);
// Access UNWIND_INFO structure
//const auto uw = (u8*)(unwind_base + rtf->UnwindData);
@ -1583,17 +1607,18 @@ static LONG exception_filter(PEXCEPTION_POINTERS pExp) noexcept
}
}
msg += fmt::format("Module name: '%s'.\n", module_name);
msg += fmt::format("Module base: %p.\n", info.lpBaseOfDll);
fmt::append(msg, "Module name: '%s'.\n", module_name);
fmt::append(msg, "Module base: %p.\n", info.lpBaseOfDll);
}
}
}
msg += fmt::format("RPCS3 image base: %p.\n", GetModuleHandle(NULL));
fmt::append(msg, "RPCS3 image base: %p.\n", GetModuleHandle(NULL));
// TODO: print registers and the callstack
// Report fatal error
sys_log.fatal("\n%s", msg);
report_fatal_error(msg);
return EXCEPTION_CONTINUE_SEARCH;
}
@ -1652,8 +1677,25 @@ static void signal_handler(int sig, siginfo_t* info, void* uct) noexcept
}
}
if (const auto cpu = get_current_cpu_thread())
{
sys_log.notice("\n%s", cpu->dump());
}
std::string msg = fmt::format("Segfault %s location %p at %p.", cause, info->si_addr, RIP(context));
if (thread_ctrl::get_current())
{
fmt::append(msg, "Emu Thread Name: '%s'.\n", thread_ctrl::get_name());
}
// TODO: Report full thread name if not an emu thread
fmt::append(msg, "Thread id = %s.\n", std::this_thread::get_id());
// TODO (debugger interaction)
report_fatal_error(fmt::format("Segfault %s location %p at %p.", cause, info->si_addr, RIP(context)));
sys_log.fatal("\n%s", msg);
report_fatal_error(msg);
}
const bool s_exception_handler_set = []() -> bool