Antonis Ryakiotakis
d58a15c0a6
We need to register the exception handler slightly differently here, as well as adding DbgHelp as a library, but according to docs it should be supported in recent Windows editions (Win XP included even). We can try it first and revert if there are issues.
140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenlib/intern/system.c
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* \ingroup bli
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "BLI_system.h"
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#include "MEM_guardedalloc.h"
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/* for backtrace */
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#if defined(__linux__) || defined(__APPLE__)
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# include <execinfo.h>
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#elif defined(WIN32)
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# include <windows.h>
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# include <DbgHelp.h>
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#endif
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int BLI_cpu_support_sse2(void)
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{
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#if defined(__x86_64__) || defined(_M_X64)
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/* x86_64 always has SSE2 instructions */
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return 1;
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#elif defined(__GNUC__) && defined(i386)
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/* for GCC x86 we check cpuid */
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unsigned int d;
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__asm__(
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"pushl %%ebx\n\t"
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"cpuid\n\t"
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"popl %%ebx\n\t"
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: "=d" (d)
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: "a" (1));
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return (d & 0x04000000) != 0;
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#elif (defined(_MSC_VER) && defined(_M_IX86))
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/* also check cpuid for MSVC x86 */
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unsigned int d;
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__asm {
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xor eax, eax
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inc eax
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push ebx
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cpuid
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pop ebx
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mov d, edx
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}
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return (d & 0x04000000) != 0;
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#else
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return 0;
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#endif
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}
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/**
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* Write a backtrace into a file for systems which support it.
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*/
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void BLI_system_backtrace(FILE *fp)
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{
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/* ------------- */
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/* Linux / Apple */
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#if defined(__linux__) || defined(__APPLE__)
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#define SIZE 100
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void *buffer[SIZE];
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int nptrs;
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char **strings;
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int i;
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/* include a backtrace for good measure */
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nptrs = backtrace(buffer, SIZE);
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strings = backtrace_symbols(buffer, nptrs);
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for (i = 0; i < nptrs; i++) {
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fputs(strings[i], fp);
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fputc('\n', fp);
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}
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free(strings);
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#undef SIZE
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/* -------- */
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/* Windows */
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#elif defined(_MSC_VER)
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(void)fp;
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#if defined WIN32
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#define MAXSYMBOL 256
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#define SIZE 100
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unsigned short i;
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void *stack[SIZE];
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unsigned short nframes;
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SYMBOL_INFO *symbolinfo;
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HANDLE process;
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process = GetCurrentProcess();
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SymInitialize(process, NULL, TRUE);
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nframes = CaptureStackBackTrace(0, SIZE, stack, NULL);
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symbolinfo = MEM_callocN(sizeof(SYMBOL_INFO) + MAXSYMBOL * sizeof(char), "crash Symbol table");
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symbolinfo->MaxNameLen = MAXSYMBOL - 1;
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symbolinfo->SizeOfStruct = sizeof(SYMBOL_INFO);
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for (i = 0; i < nframes; i++) {
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SymFromAddr(process, (DWORD64)(stack[i]), 0, symbolinfo);
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fprintf(fp, "%u: %s - 0x%0X\n", nframes - i - 1, symbolinfo->Name, symbolinfo->Address);
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}
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MEM_freeN(symbolinfo);
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#undef MAXSYMBOL
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#undef SIZE
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#endif
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/* ------------------ */
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/* non msvc/osx/linux */
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#else
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(void)fp;
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#endif
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}
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/* end BLI_system_backtrace */
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