mirror of
https://github.com/Mathewnd/Astral.git
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Matheus
71 lines
2.2 KiB
Diff
71 lines
2.2 KiB
Diff
diff --git mlibc-clean/options/glibc/generic/execinfo.cpp mlibc-workdir/options/glibc/generic/execinfo.cpp
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index 1ed110d..ded9114 100644
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--- mlibc-clean/options/glibc/generic/execinfo.cpp
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+++ mlibc-workdir/options/glibc/generic/execinfo.cpp
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@@ -4,6 +4,7 @@
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#include <stdio.h>
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#include <unistd.h>
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#include <unwind.h>
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+#include <errno.h>
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#include <bits/ensure.h>
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#include <mlibc/debug.hpp>
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@@ -52,29 +53,7 @@ _Unwind_Reason_Code trace(_Unwind_Context *context, void *arg) {
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} // namespace
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int backtrace(void **buffer, int size) {
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- if (size <= 0)
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- return 0;
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-
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- if (!libgccHandle) {
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- libgccHandle = dlopen("libgcc_s.so.1", RTLD_LAZY | RTLD_LOCAL);
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- if (!libgccHandle || libgccHandle.value() == nullptr) {
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- auto error = dlerror();
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- mlibc::infoLogger() << "Failed to load libgcc_s.so.1: " << (error ? error : "") << frg::endlog;
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- return 0;
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- }
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-
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- unwindBacktrace = reinterpret_cast<UnwindBacktrace>(dlsym(libgccHandle.value(), "_Unwind_Backtrace"));
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- unwindGetIP = reinterpret_cast<UnwindGetIP>(dlsym(libgccHandle.value(), "_Unwind_GetIP"));
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-
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- if (!unwindBacktrace || !unwindGetIP) {
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- mlibc::infoLogger() << "Failed to find unwind functions in libgcc_s.so.1: " << dlerror() << frg::endlog;
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- return 0;
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- }
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- }
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-
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- UnwindState state{buffer, size};
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- unwindBacktrace(trace, &state);
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- return state.current_frame;
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+ return ENOSYS;
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}
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char **backtrace_symbols(void *const *, int) {
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@@ -82,25 +61,5 @@ char **backtrace_symbols(void *const *, int) {
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__builtin_unreachable();
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}
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-void backtrace_symbols_fd(void *const *buffer, int size, int fd) {
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- if (size <= 0 || fd < 0)
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- return;
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-
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- for (int frame_num = 0; frame_num < size; frame_num++) {
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- Dl_info info;
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- if (dladdr(buffer[frame_num], &info) != 0) {
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- if (info.dli_fname != nullptr)
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- write(fd, info.dli_fname, strlen(info.dli_fname));
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-
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- if (info.dli_sname != nullptr)
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- dprintf(fd, "(%s+0x%" PRIxPTR ") ", info.dli_sname,
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- reinterpret_cast<uintptr_t>(buffer[frame_num]) - reinterpret_cast<uintptr_t>(info.dli_saddr));
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- else if(info.dli_saddr)
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- dprintf(fd, "(+%p) ", info.dli_saddr);
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- else
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- dprintf(fd, "() ");
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- }
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-
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- dprintf(fd, "[%p]\n", buffer[frame_num]);
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- }
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+void backtrace_symbols_fd(void *const *, int, int) {
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}
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