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LibJS: Lazily collect stack trace information
The previous implementation was calling `backtrace()` for every function call, which is quite slow. Instead, this implementation provides VM::stack_trace() which unwinds the native stack, maps it through NativeExecutable::get_source_range and combines it with source ranges from interpreted call frames.
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11 changed files with 96 additions and 46 deletions
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@ -271,3 +271,4 @@ target_link_libraries(LibJS PRIVATE LibCore LibCrypto LibFileSystem LibRegex Lib
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if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
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target_link_libraries(LibJS PRIVATE LibX86)
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endif()
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target_compile_options(LibJS PRIVATE -fno-omit-frame-pointer)
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