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106 lines
2.7 KiB
106 lines
2.7 KiB
/* |
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Copyright (C) 2022 nillerusr |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <dlfcn.h> |
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#include <unwind.h> |
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#include <android/log.h> |
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#include "tier0/dbg.h" |
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#include <stdlib.h> |
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#include <inttypes.h> |
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struct sigaction old_sa; |
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#define IN_LIBGCC2 1 // means we want to define __cxxabiv1::__cxa_demangle |
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namespace __cxxabiv1 |
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{ |
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extern "C" |
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{ |
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#include "demangle/cp-demangle.c" |
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} |
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} |
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#define Log(msg) __android_log_print(ANDROID_LOG_DEBUG, "SRCENG", "%s", msg); DebugLogger()->Write(msg); |
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void printPC(void *pc) |
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{ |
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char message[4096]; |
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const char* symbol = "unknown"; |
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Dl_info info = { 0 }; |
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const char *fname = "unknown"; |
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dladdr(pc, &info); |
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if( info.dli_fname ) |
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fname = info.dli_fname; |
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if( info.dli_sname ) |
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symbol = info.dli_sname; |
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int status = 0; |
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char *demangled = __cxxabiv1::__cxa_demangle(symbol, 0, 0, &status); |
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if( NULL != demangled && 0 == status ) |
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symbol = demangled; |
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uintptr_t relative_addr = (uintptr_t)pc - (uintptr_t)info.dli_fbase; |
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snprintf( message, sizeof(message), "0x%" PRIXPTR ":\t%s (base=0x%" PRIXPTR ", %s)\n", relative_addr, symbol, (uintptr_t)info.dli_fbase, fname ); |
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Log(message); |
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} |
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_Unwind_Reason_Code UnwindBacktraceWithSkippingCallback(struct _Unwind_Context* unwind_context, void* state_voidp) |
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{ |
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uintptr_t pc = _Unwind_GetIP(unwind_context); |
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printPC((void*)pc); |
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return _URC_NO_REASON; |
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} |
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static void CrashHandler( int sig, siginfo_t *si, void *uc) |
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{ |
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char message[4096], symbol[256]; |
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int len, line, logfd, i = 0; |
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Log(">>> crash report begin\n"); |
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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); |
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Log(message); |
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const ucontext_t* signal_ucontext = (ucontext_t*)uc; |
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const mcontext_t* signal_mcontext = &(signal_ucontext->uc_mcontext); |
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_Unwind_Backtrace(UnwindBacktraceWithSkippingCallback, NULL); |
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Log(">>> crash report end\n"); |
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if (old_sa.sa_sigaction) |
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(*old_sa.sa_sigaction)(sig, si, uc); |
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else if(old_sa.sa_handler) |
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(*old_sa.sa_handler)(sig); |
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} |
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void InitCrashHandler() |
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{ |
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struct sigaction act; |
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act.sa_sigaction = CrashHandler; |
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act.sa_flags = SA_SIGINFO | SA_ONSTACK; |
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sigaction(SIGSEGV, &act, &old_sa); |
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sigaction(SIGABRT, &act, &old_sa); |
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sigaction(SIGBUS, &act, &old_sa); |
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sigaction(SIGFPE, &act, &old_sa); |
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sigaction(SIGTRAP, &act, &old_sa); |
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}
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