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Preparations for optimized streaming of frames and stacktraces

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This commit is contained in:
Antony Polukhin
2017-01-02 21:15:25 +03:00
parent 0b7fae6e48
commit 8f06ce9b3d
1 changed files with 34 additions and 18 deletions
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52
include/boost/stacktrace/detail/backend_windows.hpp
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@@ -103,13 +103,8 @@ std::size_t backend::collect(void** memory, std::size_t size) BOOST_NOEXCEPT {
);
}
std::string backend::get_name(const void* addr) {
inline std::string get_name_impl(const com_holder<IDebugSymbols>& idebug, const void* addr) {
std::string result;
com_global_initer com_guard;
com_holder<IDebugSymbols> idebug(com_guard);
if (!try_init_com(idebug, com_guard)) {
return result;
}
const ULONG64 offset = reinterpret_cast<ULONG64>(addr);
char name[256];
@@ -143,21 +138,29 @@ std::string backend::get_name(const void* addr) {
return result;
}
std::string backend::get_source_file(const void* addr) {
std::string result;
std::string backend::get_name(const void* addr) {
com_global_initer com_guard;
com_holder<IDebugSymbols> idebug(com_guard);
if (!try_init_com(idebug, com_guard)) {
return result;
if (!boost::stacktrace::detail::try_init_com(idebug, com_guard)) {
return std::string();
}
return boost::stacktrace::detail::get_name_impl(idebug, addr);
}
inline std::pair<std::string, std::size_t> get_source_file_line_impl(const com_holder<IDebugSymbols>& idebug, const void* addr) {
std::pair<std::string, std::size_t> result;
const ULONG64 offset = reinterpret_cast<ULONG64>(addr);
char name[256];
name[0] = 0;
ULONG size = 0;
ULONG line_num = 0;
bool res = (S_OK == idebug->GetLineByOffset(
offset,
0,
&line_num,
name,
sizeof(name),
&size,
@@ -165,33 +168,46 @@ std::string backend::get_source_file(const void* addr) {
));
if (!res && size != 0) {
result.resize(size);
result.first.resize(size);
res = (S_OK == idebug->GetLineByOffset(
offset,
0,
&result[0],
static_cast<ULONG>(result.size()),
&line_num,
&result.first[0],
static_cast<ULONG>(result.first.size()),
&size,
0
));
} else if (res) {
result = name;
result.first = name;
result.second = line_num;
}
if (!res) {
result.clear();
result.first.clear();
result.second = 0;
}
return result;
}
std::string backend::get_source_file(const void* addr) {
std::string result;
com_global_initer com_guard;
com_holder<IDebugSymbols> idebug(com_guard);
if (!boost::stacktrace::detail::try_init_com(idebug, com_guard)) {
return result;
}
return boost::stacktrace::detail::get_source_file_line_impl(idebug, addr).first;
}
std::size_t backend::get_source_line(const void* addr) {
ULONG line_num = 0;
com_global_initer com_guard;
com_holder<IDebugSymbols> idebug(com_guard);
if (!try_init_com(idebug, com_guard)) {
if (!boost::stacktrace::detail::try_init_com(idebug, com_guard)) {
return 0;
}