Gdb debug with segfault

[CanftIn]

(base)  canftin@DESKTOP-4QK14RE  ~/workspace/codon_ws/codon/build> gdb -args codon run ../.vscode/debug/test_fib.py
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Reading symbols from codon...
(gdb) r
Starting program: /home/canftin/workspace/codon_ws/codon/build/codon run ../.vscode/debug/test_fib.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007fffef33107d in GC_find_limit_with_bound (p=0x555555762918 "", up=0, bound=0x0)
    at /home/canftin/workspace/codon_ws/codon/build/_deps/bdwgc-src/os_dep.c:1008
1008                    GC_noop1((word)(*result));
(gdb) bt
#0  0x00007fffef33107d in GC_find_limit_with_bound (p=0x555555762918 "", up=0, bound=0x0)
    at /home/canftin/workspace/codon_ws/codon/build/_deps/bdwgc-src/os_dep.c:1008
#1  0x00007fffef330ea0 in GC_find_limit (p=0x555555762918, up=0) at /home/canftin/workspace/codon_ws/codon/build/_deps/bdwgc-src/os_dep.c:1020
#2  0x00007fffef330e51 in GC_init_linux_data_start () at /home/canftin/workspace/codon_ws/codon/build/_deps/bdwgc-src/os_dep.c:459
#3  0x00007fffef32e8d7 in GC_init () at /home/canftin/workspace/codon_ws/codon/build/_deps/bdwgc-src/misc.c:1207
#4  0x00007fffef332d59 in GC_add_roots (b=0x7fffefd39000, e=0x7fffefd3a000) at /home/canftin/workspace/codon_ws/codon/build/_deps/bdwgc-src/mark_rts.c:153
#5  0x00007fffef2b83fd in seq_gc_add_roots (start=0x7fffefd39000, end=0x7fffefd3a000) at /home/canftin/workspace/codon_ws/codon/codon/runtime/lib.cpp:212
#6  0x00007ffff08f4aac in codon::BoehmGCJITLinkMemoryManager::allocate(llvm::jitlink::JITLinkDylib const*, llvm::jitlink::LinkGraph&, llvm::unique_function<void (llvm::Expected<std::unique_ptr<llvm::jitlink::JITLinkMemoryManager::InFlightAlloc, std::default_delete<llvm::jitlink::JITLinkMemoryManager::InFlightAlloc> > >)>) (this=0x55555c23bb30, JD=0x555557d74bd8, G=..., OnAllocated=...) at /home/canftin/workspace/codon_ws/codon/codon/compiler/memory_manager.cpp:193
#7  0x00007ffff48a85ae in llvm::jitlink::JITLinkerBase::linkPhase1(std::unique_ptr<llvm::jitlink::JITLinkerBase, std::default_delete<llvm::jitlink::JITLinkerBase> >) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#8  0x00007ffff4891bf5 in llvm::jitlink::link_ELF_x86_64(std::unique_ptr<llvm::jitlink::LinkGraph, std::default_delete<llvm::jitlink::LinkGraph> >, std::unique_ptr<llvm::jitlink::JITLinkContext, std::default_delete<llvm::jitlink::JITLinkContext> >) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#9  0x00007ffff485ff35 in llvm::jitlink::link_ELF(std::unique_ptr<llvm::jitlink::LinkGraph, std::default_delete<llvm::jitlink::LinkGraph> >, std::unique_ptr<llvm::jitlink::JITLinkContext, std::default_delete<llvm::jitlink::JITLinkContext> >) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#10 0x00007ffff48346e2 in llvm::jitlink::link(std::unique_ptr<llvm::jitlink::LinkGraph, std::default_delete<llvm::jitlink::LinkGraph> >, std::unique_ptr<llvm::jitlink::JITLinkContext, std::default_delete<llvm::jitlink::JITLinkContext> >) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#11 0x00007ffff35866ba in llvm::orc::ObjectLinkingLayer::emit(std::unique_ptr<llvm::orc::MaterializationResponsibility, std::default_delete<llvm::orc::MaterializationResponsibility> >, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >) ()
   from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#12 0x00007ffff358f3d2 in llvm::orc::ObjectTransformLayer::emit(std::unique_ptr<llvm::orc::MaterializationResponsibility, std::default_delete<llvm::orc::MaterializationResponsibility> >, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >) ()
   from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#13 0x00007ffff35d1b41 in llvm::orc::IRCompileLayer::emit(std::unique_ptr<llvm::orc::MaterializationResponsibility, std::default_delete<llvm::orc::MaterializationResponsibility> >, llvm::orc::ThreadSafeModule) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#14 0x00007ffff35d23cb in llvm::orc::IRTransformLayer::emit(std::unique_ptr<llvm::orc::MaterializationResponsibility, std::default_delete<llvm::orc::MaterializationResponsibility> >, llvm::orc::ThreadSafeModule) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#15 0x00007ffff35d23cb in llvm::orc::IRTransformLayer::emit(std::unique_ptr<llvm::orc::MaterializationResponsibility, std::default_delete<llvm::orc::MaterializationResponsibility> >, llvm::orc::ThreadSafeModule) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#16 0x00007ffff35da21c in llvm::orc::BasicIRLayerMaterializationUnit::materialize(std::unique_ptr<llvm::orc::MaterializationResponsibility, std::default_delete<llvm::orc::MaterializationResponsibility> >) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#17 0x00007ffff352500a in llvm::orc::MaterializationTask::run() () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#18 0x00007ffff350a1dc in void llvm::detail::UniqueFunctionBase<void, std::unique_ptr<llvm::orc::Task, std::default_delete<llvm::orc::Task> > >::CallImpl<void (*)(std::unique_ptr<llvm::orc::Task, std::default_delete<llvm::orc::Task> >)>(void*, std::unique_ptr<llvm::orc::Task, std::default_delete<llvm::orc::Task> >&)
--Type <RET> for more, q to quit, c to continue without paging--
    () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#19 0x00007ffff3525ebd in llvm::orc::ExecutionSession::dispatchOutstandingMUs() () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#20 0x00007ffff352ae6c in llvm::orc::ExecutionSession::OL_completeLookup(std::unique_ptr<llvm::orc::InProgressLookupState, std::default_delete<llvm::orc::InProgressLookupState> >, std::shared_ptr<llvm::orc::AsynchronousSymbolQuery>, std::function<void (llvm::DenseMap<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void> >, llvm::DenseMapInfo<llvm::orc::JITDylib*, void>, llvm::detail::DenseMapPair<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void> > > > const&)>) ()
   from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#21 0x00007ffff352c265 in llvm::orc::InProgressFullLookupState::complete(std::unique_ptr<llvm::orc::InProgressLookupState, std::default_delete<llvm::orc::InProgressLookupState> >) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#22 0x00007ffff3517cc6 in llvm::orc::ExecutionSession::OL_applyQueryPhase1(std::unique_ptr<llvm::orc::InProgressLookupState, std::default_delete<llvm::orc::InProgressLookupState> >, llvm::Error) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#23 0x00007ffff352628e in llvm::orc::ExecutionSession::lookup(llvm::orc::LookupKind, std::vector<std::pair<llvm::orc::JITDylib*, llvm::orc::JITDylibLookupFlags>, std::allocator<std::pair<llvm::orc::JITDylib*, llvm::orc::JITDylibLookupFlags> > > const&, llvm::orc::SymbolLookupSet, llvm::orc::SymbolState, llvm::unique_function<void (llvm::Expected<llvm::DenseMap<llvm::orc::SymbolStringPtr, llvm::orc::ExecutorSymbolDef, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void>, llvm::detail::DenseMapPair<llvm::orc::SymbolStringPtr, llvm::orc::ExecutorSymbolDef> > >)>, std::function<void (llvm::DenseMap<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void> >, llvm::DenseMapInfo<llvm::orc::JITDylib*, void>, llvm::detail::DenseMapPair<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void> > > > const&)>) ()
   from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#24 0x00007ffff35264cd in llvm::orc::ExecutionSession::lookup(std::vector<std::pair<llvm::orc::JITDylib*, llvm::orc::JITDylibLookupFlags>, std::allocator<std::pair<llvm::orc::JITDylib*, llvm::orc::JITDylibLookupFlags> > > const&, llvm::orc::SymbolLookupSet, llvm::orc::LookupKind, llvm::orc::SymbolState, std::function<void (llvm::DenseMap<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void> >, llvm::DenseMapInfo<llvm::orc::JITDylib*, void>, llvm::detail::DenseMapPair<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void> > > > const&)>) () from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#25 0x00007ffff3526915 in llvm::orc::ExecutionSession::lookup(std::vector<std::pair<llvm::orc::JITDylib*, llvm::orc::JITDylibLookupFlags>, std::allocator<std::pair<llvm::orc::JITDylib*, llvm::orc::JITDylibLookupFlags> > > const&, llvm::orc::SymbolStringPtr, llvm::orc::SymbolState) ()
   from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#26 0x00007ffff3559ed9 in llvm::orc::LLJIT::lookupLinkerMangled(llvm::orc::JITDylib&, llvm::orc::SymbolStringPtr) ()
   from /home/canftin/workspace/codon_ws/codon/build/libcodonc.so
#27 0x00007ffff0899bb8 in llvm::orc::LLJIT::lookupLinkerMangled (this=0x555557762ba0, JD=..., Name=...)
    at /home/canftin/workspace/codon_ws/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h:164
#28 0x00007ffff0899afd in llvm::orc::LLJIT::lookup (this=0x555557762ba0, JD=..., UnmangledName=...)
    at /home/canftin/workspace/codon_ws/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h:176
#29 0x00007ffff08943e4 in llvm::orc::LLJIT::lookup (this=0x555557762ba0, UnmangledName=...)
    at /home/canftin/workspace/codon_ws/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h:181
#30 0x00007ffff0d666ff in codon::ir::LLVMVisitor::run (this=0x55555580a550, args=std::vector of length 1, capacity 1 = {...},
--Type <RET> for more, q to quit, c to continue without paging--
    libs=std::vector of length 0, capacity 0, envp=0x0) at /home/canftin/workspace/codon_ws/codon/codon/cir/llvm/llvisitor.cpp:1261
#31 0x00005555555eae27 in runMode (args=std::vector of length 2, capacity 2 = {...}) at /home/canftin/workspace/codon_ws/codon/codon/app/main.cpp:244
#32 0x00005555555eddb5 in main (argc=3, argv=0x7fffffffde18) at /home/canftin/workspace/codon_ws/codon/codon/app/main.cpp:454

python file:

(base)  canftin@DESKTOP-4QK14RE  ~/workspace/codon_ws/codon/build> cat ../.vscode/debug/test_fib.py
from time import time

def fib(n):
    return n if n < 2 else fib(n - 1) + fib(n - 2)

t0 = time()
ans = fib(40)
t1 = time()
print(f'Computed fib(40) = {ans} in {t1 - t0} seconds.')

only exec command will not segfault:

(base)  canftin@DESKTOP-4QK14RE  ~/workspace/codon_ws/codon/build> codon run ../.vscode/debug/test_fib.py
Computed fib(40) = 102334155 in 0.534422 seconds.

environment:
Windows WSL Ubuntu 24.04

build command:

cmake .. -G Ninja \
    -DCMAKE_BUILD_TYPE=Debug \
    -DLLVM_DIR=/home/canftin/workspace/codon_ws/llvm-project/build/lib/cmake/llvm \
    -DCMAKE_C_COMPILER=clang \
    -DCMAKE_CXX_COMPILER=clang++ -DCODON_GPU=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON