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Jul 5th update

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This commit is contained in:
Ned Wright
2023-07-05 23:32:39 +00:00
parent 22f1a984aa
commit a59f079ef7
85 changed files with 2488 additions and 1754 deletions
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64
components/signal_handler/signal_handler.cc
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@@ -28,17 +28,11 @@
#include <chrono>
#include <boost/regex.hpp>
#if defined(use_unwind)
#if defined(alpine) || defined(PLATFORM_x86)
#ifdef UNWIND_LIBRARY
#define UNW_LOCAL_ONLY
#include <cxxabi.h>
#include <libunwind.h>
#endif // defined(alpine) || defined(PLATFORM_x86)
#endif // defined(use_unwind)
#if !defined(alpine) && !defined(arm32_musl)
#include <execinfo.h>
#endif // not alpine && not arm32_musl
#endif // UNWIND_LIBRARY
#include "debug.h"
#include "common.h"
@@ -82,11 +76,9 @@ public:
Maybe<vector<string>>
getBacktrace() override
{
#ifdef UNWIND_LIBRARY
vector<string> symbols;
#if defined(_UCLIBC_) || defined(arm32_musl) || !defined(use_unwind)
return genError("Could not print any backtrace entries using uclibc (backtrace_symbols not supported)");
#else // not (_UCLIBC_ || arm32_musl)
#if defined(alpine) || defined(PLATFORM_x86)
unw_cursor_t cursor;
unw_context_t context;
@@ -116,24 +108,14 @@ public:
}
symbols.push_back(buf);
}
#else // not (alpine || PLATFORM_x86)
auto stack_trace_list = vector<void *>(stack_trace_max_len);
uint trace_len = backtrace(stack_trace_list.data(), stack_trace_list.size());
if (trace_len == 0 ) return genError("Could not find any backtrace entries in the current process");
char **trace_prints = backtrace_symbols(stack_trace_list.data(), trace_len);
if (trace_prints == nullptr) return genError("Could not convert backtrace entries to symbol strings");
symbols.reserve(trace_len);
for (uint i = 0; i < trace_len; ++i) {
symbols.emplace_back(trace_prints[i]);
}
free(trace_prints);
#endif // alpine || PLATFORM_x86
#endif // _UCLIBC_
return symbols;
#else // UNWIND_LIBRARY
return genError("Could not print any backtrace entries using uclibc (backtrace_symbols not supported)");
#endif // UNWIND_LIBRARY
}
private:
@@ -388,18 +370,13 @@ private:
static void
printStackTrace()
{
#ifdef UNWIND_LIBRARY
if (out_trace_file_fd == -1) return;
const char *stack_trace_title = "Stack trace:\n";
writeData(stack_trace_title, strlen(stack_trace_title));
#if defined(_UCLIBC_) || defined(arm32_musl) || !defined(use_unwind)
const char *uclibc_error =
"Could not print any backtrace entries using uclibc (backtrace_symbols not supported)\n";
writeData(uclibc_error, strlen(uclibc_error));
return;
#else // not (_UCLIBC_ || arm32_musl)
#ifdef alpine
unw_cursor_t cursor;
unw_context_t uc;
unw_getcontext(&uc);
@@ -426,19 +403,14 @@ private:
if (unw_step(&cursor) <= 0) return;
}
#else // not alpine
void *stack_trace_list[stack_trace_max_len];
uint actual_trace_len = backtrace(stack_trace_list, stack_trace_max_len);
if (actual_trace_len == 0 ) {
const char *no_bt_found_error = "Could not find any backtrace entries in the current process\n";
writeData(no_bt_found_error, strlen(no_bt_found_error));
return;
}
#else // UNWIND_LIBRARY
backtrace_symbols_fd(stack_trace_list, actual_trace_len, out_trace_file_fd);
#endif // alpine
#endif // _UCLIBC_ || arm32_musl
const char *uclibc_error =
"Could not print any backtrace entries using uclibc (backtrace_symbols not supported)\n";
writeData(uclibc_error, strlen(uclibc_error));
#endif // UNWIND_LIBRARY
}
// LCOV_EXCL_STOP