areusch commented on a change in pull request #7153:
URL: https://github.com/apache/tvm/pull/7153#discussion_r548029374
##########
File path: cmake/modules/Libbacktrace.cmake
##########
@@ -0,0 +1,18 @@
+include(ExternalProject)
+
+ExternalProject_Add(project_libbacktrace
Review comment:
it would be good to double-check that the sources are properly depended
on by libbacktrace.a
##########
File path: include/tvm/support/logging.h
##########
@@ -113,35 +119,171 @@
namespace tvm {
+std::string backtrace();
+
+struct Error : public std::runtime_error {
+ explicit Error(const std::string &s) : std::runtime_error(s) {}
+};
+
+class InternalError : public std::exception {
+ public:
+ InternalError(const std::string& file, int lineno, const std::string&
message,
+ const std::time_t& time = std::time(nullptr), std::string stacktrace =
backtrace())
Review comment:
what do we think about pushing this InternalError object into dmlc and
defining a weak function backtrace() there that allows you to override/supply a
backtrace?
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