Rakarake/churf
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Continued debugging

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Co-authored-by: ValterMiari <ValterMiari@users.noreply.github.com>
This commit is contained in:
Victor Olin 2023-02-16 16:23:35 +01:00
parent 5ac9b665a1
commit 42c22bc1eb
6 changed files with 95 additions and 57 deletions
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17
src/GC/tests/stack2.cpp
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@ -14,12 +14,18 @@ int main() {
std::cout << "Start:\t\t" << prev1 << std::endl;
#pragma clang diagnostic ignored "-Wframe-address"
uintptr_t *tmp = reinterpret_cast<uintptr_t *>(__builtin_frame_address(1));
std::cout << "Frame 1:\t" << tmp << "\t\tDiff:\t" << std::hex << "0x"<< prev1 - tmp << std::endl;
std::cout << "Frame 1:\t" << tmp << "\t\tDiff:\t" << std::hex << "0x"<< tmp - prev1 << std::endl;
prev1 = tmp;
#pragma clang diagnostic ignored "-Wframe-address"
tmp = reinterpret_cast<uintptr_t *>(__builtin_frame_address(2));
std::cout << "Frame 2:\t" << tmp << "\tDiff:\t" << std::hex << "0x" << prev1 - tmp << std::endl;
std::cout << "Frame 2:\t" << tmp << "\tDiff:\t" << std::hex << "0x" << tmp - prev1 << std::endl;
prev1 = tmp;
// arg > 2 for __builtin_frame_address() results in segfault
// #pragma clang diagnostic ignored "-Wframe-address"
// tmp = reinterpret_cast<uintptr_t *>(__builtin_frame_address(3));
// std::cout << "Frame 3:\t" << tmp << "\tDiff:\t" << std::hex << "0x" << prev1 - tmp << std::endl;
dummy1();
@ -27,11 +33,11 @@ int main() {
}
void dummy1() {
std::cout << "Frame:\t\t" << __builtin_frame_address(0);
std::cout << "D1 SFrame:\t" << __builtin_frame_address(0);
#pragma clang diagnostic ignored "-Wframe-address"
std::cout << "\t\tPrev:\t" << __builtin_frame_address(1) << std::endl;
dummy2();
std::cout << "D1 RA:\t\t" << std::hex << __builtin_return_address(0) << std::endl;
dummy2();
}
void dummy2() {
@ -40,5 +46,6 @@ void dummy2() {
std::cout << "\t\tPrev:\t" << __builtin_frame_address(1) << std::endl;
void *ra = __builtin_return_address(0);
std::cout << "D2 RA:\t\t" << std::hex << ra << std::endl;
std::cout << "D2 ERA:\t\t" << std::hex << __builtin_extract_return_addr(ra) << std::endl;
// gives same value as pure 'ra'
// std::cout << "D2 ERA:\t\t" << std::hex << __builtin_extract_return_addr(ra) << std::endl;
}