155 lines
3.8 KiB
C++
155 lines
3.8 KiB
C++
/*
|
|
Copyright (C) 2022 nillerusr
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <dlfcn.h>
|
|
#include <unwind.h>
|
|
#include <android/log.h>
|
|
#include "tier0/dbg.h"
|
|
#include <stdlib.h>
|
|
#include <inttypes.h>
|
|
#include "libunwind/libunwind.h"
|
|
|
|
struct sigaction old_sa;
|
|
|
|
#define IN_LIBGCC2 1 // means we want to define __cxxabiv1::__cxa_demangle
|
|
namespace __cxxabiv1
|
|
{
|
|
extern "C"
|
|
{
|
|
#include "demangle/cp-demangle.c"
|
|
}
|
|
}
|
|
|
|
#define MAX_FRAMES 2048
|
|
|
|
struct backtrace_t
|
|
{
|
|
int count;
|
|
uintptr_t frames[MAX_FRAMES];
|
|
};
|
|
|
|
#define Log(msg) __android_log_print(ANDROID_LOG_DEBUG, "SRCENG", "%s", msg); DebugLogger()->Write(msg);
|
|
|
|
void printPC(void *pc)
|
|
{
|
|
char message[4096];
|
|
|
|
const char* symbol = "unknown";
|
|
|
|
Dl_info info = { 0 };
|
|
const char *fname = "unknown";
|
|
|
|
if( dladdr(pc, &info) <= 0 )
|
|
{
|
|
snprintf( message, sizeof(message), "0x%" PRIXPTR "\n", (uintptr_t)pc );
|
|
Log(message);
|
|
return;
|
|
}
|
|
|
|
if( info.dli_fname )
|
|
fname = info.dli_fname;
|
|
|
|
if( info.dli_sname )
|
|
symbol = info.dli_sname;
|
|
|
|
int status = 0;
|
|
char *demangled = __cxxabiv1::__cxa_demangle(symbol, 0, 0, &status);
|
|
|
|
if( NULL != demangled && 0 == status )
|
|
symbol = demangled;
|
|
|
|
uintptr_t relative_addr = (uintptr_t)pc - (uintptr_t)info.dli_fbase;
|
|
|
|
snprintf( message, sizeof(message), "0x%" PRIXPTR ":\t%s (base=0x%" PRIXPTR ", %s)\n", relative_addr, symbol, (uintptr_t)info.dli_fbase, fname );
|
|
Log(message);
|
|
}
|
|
|
|
_Unwind_Reason_Code UnwindBacktraceCallback(struct _Unwind_Context* unwind_context, void* state_voidp)
|
|
{
|
|
uintptr_t pc = _Unwind_GetIP(unwind_context);
|
|
backtrace_t *bt = (backtrace_t*)state_voidp;
|
|
|
|
if( bt->count < MAX_FRAMES )
|
|
bt->frames[bt->count++] = pc;
|
|
else
|
|
return _URC_END_OF_STACK;
|
|
|
|
return _URC_NO_REASON;
|
|
}
|
|
|
|
static void CrashHandler( int sig, siginfo_t *si, void *uc)
|
|
{
|
|
static char message[4096], symbol[256];
|
|
int len, line, logfd, i = 0;
|
|
|
|
|
|
const ucontext_t* signal_ucontext = (ucontext_t*)uc;
|
|
const mcontext_t* signal_mcontext = &(signal_ucontext->uc_mcontext);
|
|
#ifdef __aarch64__
|
|
// Doesn't work good on armv7a
|
|
static backtrace_t bt;
|
|
bt.count = 0;
|
|
|
|
_Unwind_Backtrace(UnwindBacktraceCallback, &bt);
|
|
|
|
Log(">>> crash report begin\n");
|
|
|
|
snprintf(message, sizeof(message), "Signal=%d, errno=%d, code=%d, addr=0x%" PRIXPTR "\n", sig, si->si_errno, si->si_code, (uintptr_t)si->si_addr);
|
|
Log(message);
|
|
|
|
for( int i = 0; i < bt.count; i++ )
|
|
{
|
|
printPC( (void*)bt.frames[i] );
|
|
}
|
|
#else
|
|
Log(">>> crash report begin\n");
|
|
|
|
snprintf(message, sizeof(message), "Signal=%d, errno=%d, code=%d, addr=0x%" PRIXPTR "\n", sig, si->si_errno, si->si_code, (uintptr_t)si->si_addr);
|
|
Log(message);
|
|
|
|
// Initialize unw_context and unw_cursor.
|
|
unw_context_t unw_context = {};
|
|
unw_getcontext(&unw_context);
|
|
unw_cursor_t unw_cursor = {};
|
|
unw_init_local(&unw_cursor, &unw_context);
|
|
|
|
while (unw_step(&unw_cursor) > 0) {
|
|
unw_word_t ip = 0;
|
|
unw_get_reg(&unw_cursor, UNW_REG_IP, &ip);
|
|
printPC( (void*)ip );
|
|
}
|
|
#endif
|
|
|
|
Log(">>> crash report end\n");
|
|
|
|
if (old_sa.sa_sigaction)
|
|
(*old_sa.sa_sigaction)(sig, si, uc);
|
|
else if(old_sa.sa_handler)
|
|
(*old_sa.sa_handler)(sig);
|
|
}
|
|
|
|
void InitCrashHandler()
|
|
{
|
|
struct sigaction act;
|
|
act.sa_sigaction = CrashHandler;
|
|
act.sa_flags = SA_SIGINFO | SA_ONSTACK;
|
|
sigaction(SIGSEGV, &act, &old_sa);
|
|
sigaction(SIGABRT, &act, &old_sa);
|
|
sigaction(SIGBUS, &act, &old_sa);
|
|
sigaction(SIGFPE, &act, &old_sa);
|
|
sigaction(SIGTRAP, &act, &old_sa);
|
|
}
|