Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** 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 2 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.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "zbxwin32.h"

​

#include "zbxstr.h"

#include "log.h"

​

#include <excpt.h>

#include <DbgHelp.h>

​

#pragma comment(lib, "DbgHelp.lib")

​

typedef BOOL (WINAPI *SymGetLineFromAddrW64_func_t)(HANDLE, DWORD64, PDWORD, PIMAGEHLP_LINE64);

typedef BOOL (WINAPI *SymFromAddr_func_t)(HANDLE a, DWORD64 b , PDWORD64 c, PSYMBOL_INFO d);

​

#ifdef _M_X64

static void print_register(const char *name, unsigned __int64 value)

{

    zabbix_log(LOG_LEVEL_CRIT, "%-7s = %16I64x = %20I64u = %20I64d", name, value, value, value);

}

#else

static void print_register(const char *name, unsigned __int32 value)

{

    zabbix_log(LOG_LEVEL_CRIT, "%-7s = %16lx = %20lu = %20ld", name, value, value, value);

}

#endif

​

static void print_fatal_info(CONTEXT *pctx)

{

    zabbix_log(LOG_LEVEL_CRIT, "====== Fatal information: ======");

​

#ifdef _M_X64

    zabbix_log(LOG_LEVEL_CRIT, "Program counter: 0x%08lx", pctx->Rip);

#else

    zabbix_log(LOG_LEVEL_CRIT, "Program counter: 0x%04x", pctx->Eip);

#endif

    zabbix_log(LOG_LEVEL_CRIT, "=== Registers: ===");

​

#define ZBX_LSHIFT(value, bits) (((unsigned __int64)value) << bits)

​

#ifdef _M_X64

    print_register("r8", pctx->R8);

    print_register("r9", pctx->R9);

    print_register("r10", pctx->R10);

    print_register("r11", pctx->R11);

    print_register("r12", pctx->R12);

    print_register("r13", pctx->R13);

    print_register("r14", pctx->R14);

    print_register("r15", pctx->R15);

​

    print_register("rdi", pctx->Rdi);

    print_register("rsi", pctx->Rsi);

    print_register("rbp", pctx->Rbp);

​

    print_register("rbx", pctx->Rbx);

    print_register("rdx", pctx->Rdx);

    print_register("rax", pctx->Rax);

    print_register("rcx", pctx->Rcx);

​

    print_register("rsp", pctx->Rsp);

    print_register("efl", pctx->EFlags);

    print_register("csgsfs", ZBX_LSHIFT(pctx->SegCs, 24) | ZBX_LSHIFT(pctx->SegGs, 16) | ZBX_LSHIFT(pctx->SegFs, 8));

#else

    print_register("edi", pctx->Edi);

    print_register("esi", pctx->Esi);

    print_register("ebp", pctx->Ebp);

​

    print_register("ebx", pctx->Ebx);

    print_register("edx", pctx->Edx);

    print_register("eax", pctx->Eax);

    print_register("ecx", pctx->Ecx);

​

    print_register("esp", pctx->Esp);

    print_register("efl", pctx->EFlags);