Embeded linux build #3
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I appreciate that you are taking the time to look into this for me. This is a huge help. |
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Btw, idk if you are still interested in working on this - I assume not since the plan is to have Tangerine expose a C API and change the Racket package to just wrap that - but if you were for some reason, as of 99546b9 non-Racket Linux is now supported support. |
Aeva
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May 12, 2023
Remarkably this change seems to prevent this use-after-free error:
==4284==ERROR: AddressSanitizer: heap-use-after-free on address 0x60700003cf50 at pc 0x7f22b904814b bp 0x7ffda5338480 sp 0x7ffda5337c30
READ of size 79 at 0x60700003cf50 thread T0
#0 0x7f22b904814a in __interceptor_memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827
#1 0x560430138ab6 in void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag) [clone .constprop.0] (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2f0ab6)
#2 0x5604301421c6 in ifd::FileDialog::m_setDirectory(std::filesystem::__cxx11::path const&, bool) (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2fa1c6)
#3 0x5604301456aa in ifd::FileDialog::m_renderContent() (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2fd6aa)
#4 0x560430145e6b in ifd::FileDialog::m_renderFileDialog() (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2fde6b)
#5 0x5604301464f7 in ifd::FileDialog::IsDone(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2fe4f7)
#6 0x5604300678b4 in RenderUI(SDL_Window*, bool&) (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x21f8b4)
#7 0x56043006fa0e in MainLoop() (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x227a0e)
#8 0x56042fe898fa in main (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x418fa)
#9 0x7f22b8967189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#10 0x7f22b8967244 in __libc_start_main_impl ../csu/libc-start.c:381
#11 0x56042fe8b8c0 in _start (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x438c0)
0x60700003cf50 is located 0 bytes inside of 80-byte region [0x60700003cf50,0x60700003cfa0)
freed by thread T0 here:
#0 0x7f22b90ba3c8 in operator delete(void*, unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:164
#1 0x56043014210a in ifd::FileDialog::m_setDirectory(std::filesystem::__cxx11::path const&, bool) (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2fa10a)
previously allocated by thread T0 here:
#0 0x7f22b90b94c8 in operator new(unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:95
#1 0x560430138a9b in void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag) [clone .constprop.0] (/home/aeva/Projects/tangerine/linux/build/Release/bin/tangerine+0x2f0a9b)
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Not done yet.
In addition to not being done, I've organized this in the hope that it could manage both the Windows and Linux builds, but I haven't touched the Windows things yet.
I do agree that it would be easier to just have a library that Racket can use via the FFI. I'm not a C++ person, but it looks like you could replace most of the code that uses the Racket C API with
racket/guifor a "majuscule" version (which is a great name).