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Fix for retrival symbols on Windows for not first time

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This commit is contained in:
Antony Polukhin
2016-09-26 19:42:30 +03:00
parent 0963de1ff7
commit 45d2181fdd
1 changed files with 22 additions and 11 deletions
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33
include/boost/stacktrace/detail/stacktrace_windows.hpp
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@@ -35,23 +35,30 @@ struct symbol_info_with_stack {
char name_part[max_name_length];
};
struct symbol_initialization_structure {
HANDLE process;
inline symbol_initialization_structure() BOOST_NOEXCEPT
: process(GetCurrentProcess())
{
SymInitialize(process, 0, true);
}
inline ~symbol_initialization_structure() BOOST_NOEXCEPT {
SymCleanup(process);
}
};
struct backtrace_holder {
BOOST_STATIC_CONSTEXPR std::size_t max_size = 100u;
std::size_t frames_count;
void* buffer[max_size];
HANDLE process;
BOOST_FORCEINLINE backtrace_holder() BOOST_NOEXCEPT
: frames_count(0)
, process(GetCurrentProcess())
{
const bool inited = !!SymInitialize(process, 0, true);
if (inited) {
frames_count = CaptureStackBackTrace(0, max_size, buffer, 0);
} else {
process = 0;
}
frames_count = CaptureStackBackTrace(0, max_size, buffer, 0);
}
inline std::size_t size() const BOOST_NOEXCEPT {
@@ -61,15 +68,19 @@ struct backtrace_holder {
inline std::string get_frame(std::size_t frame) const {
std::string res;
if (frame >= frames_count || !process) {
static symbol_initialization_structure symproc;
if (frame >= frames_count) {
return res;
}
symbol_info_with_stack s;
s.symbol.MaxNameLen = symbol_info_with_stack::max_name_length;
s.symbol.SizeOfStruct = sizeof(SYMBOL_INFO);
SymFromAddr(process, reinterpret_cast<DWORD64>(buffer[frame]), 0, &s.symbol);
res = s.symbol.Name;
const bool sym_res = !!SymFromAddr(symproc.process, reinterpret_cast<DWORD64>(buffer[frame]), 0, &s.symbol);
if (sym_res) {
res = s.symbol.Name;
}
return res;
}