diff options
author | Campbell Barton <ideasman42@gmail.com> | 2014-11-18 02:20:56 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2014-11-18 02:20:56 +0300 |
commit | 94f0d18470fc454b456f711c9d040a7fef6780fb (patch) | |
tree | 77c3a62ac3f906a1517370351056e2fa4ebb598f /source/blender/blenlib/intern | |
parent | 1e5d5085675afd1c3d6e0191e668449217f733ed (diff) |
BLI_assert: print a backtrace with the error
Add BLI_system_backtrace()
Diffstat (limited to 'source/blender/blenlib/intern')
-rw-r--r-- | source/blender/blenlib/intern/system.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/system.c b/source/blender/blenlib/intern/system.c index e6389bc68f3..51b8efbb79f 100644 --- a/source/blender/blenlib/intern/system.c +++ b/source/blender/blenlib/intern/system.c @@ -22,9 +22,18 @@ * \ingroup bli */ +#include <stdio.h> +#include <stdlib.h> #include "BLI_system.h" +/* for backtrace */ +#if defined(__linux__) || defined(__APPLE__) +# include <execinfo.h> +#elif defined(_MSV_VER) +# include <DbgHelp.h> +#endif + int BLI_cpu_support_sse2(void) { #if defined(__x86_64__) || defined(_M_X64) @@ -57,3 +66,69 @@ int BLI_cpu_support_sse2(void) #endif } +/** + * Write a backtrace into a file for systems which support it. + */ +void BLI_system_backtrace(FILE *fp) +{ + /* ------------- */ + /* Linux / Apple */ +#if defined(__linux__) || defined(__APPLE__) + +#define SIZE 100 + void *buffer[SIZE]; + int nptrs; + char **strings; + int i; + + /* include a backtrace for good measure */ + nptrs = backtrace(buffer, SIZE); + strings = backtrace_symbols(buffer, nptrs); + for (i = 0; i < nptrs; i++) { + fputs(strings[i], fp); + fputc('\n', fp); + } + + free(strings); +#undef SIZE + + /* -------- */ + /* Windows */ +#elif defined(_MSC_VER) + + (void)fp; +#if 0 +#define MAXSYMBOL 256 + unsigned short i; + void *stack[SIZE]; + unsigned short nframes; + SYMBOL_INFO *symbolinfo; + HANDLE process; + + process = GetCurrentProcess(); + + SymInitialize(process, NULL, true); + + nframes = CaptureStackBackTrace(0, SIZE, stack, NULL); + symbolinfo = MEM_callocN(sizeof(SYMBOL_INFO) + MAXSYMBOL * sizeof(char), "crash Symbol table"); + symbolinfo->MaxNameLen = MAXSYMBOL - 1; + symbolinfo->SizeOfStruct = sizeof(SYMBOL_INFO); + + for (i = 0; i < nframes; i++) { + SymFromAddr(process, ( DWORD64 )( stack[ i ] ), 0, symbolinfo); + + fprintf(fp, "%u: %s - 0x%0X\n", nframes - i - 1, symbolinfo->Name, symbolinfo->Address); + } + + MEM_freeN(symbolinfo); +#undef MAXSYMBOL +#endif + + /* ------------------ */ + /* non msvc/osx/linux */ +#else + (void)fp; +#endif + +} +/* end BLI_system_backtrace */ |