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Partially implement stack trace on aarch64

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This commit is contained in:
Jeremy Soller
2022-08-24 12:34:31 -06:00
parent 0ed9f03317
commit fb34e4eddf
1 changed files with 4 additions and 9 deletions
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13
src/arch/aarch64/interrupt/trace.rs
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@@ -12,17 +12,13 @@ pub unsafe fn stack_trace() {
println!("TRACE: {:>016x}", fp);
/*TODO: implement using rmm
let mapper = KernelMapper::lock();
//Maximum 64 frames
let active_ktable = ActivePageTable::new(TableKind::Kernel);
let active_utable = ActivePageTable::new(TableKind::User);
let in_kernel_or_user_table = |ptr| {
active_ktable.translate(VirtualAddress::new(ptr)).is_some() ||
active_utable.translate(VirtualAddress::new(ptr)).is_some()
};
for _frame in 0..64 {
if let Some(pc_fp) = fp.checked_add(mem::size_of::<usize>()) {
if in_kernel_or_user_table(fp) && in_kernel_or_user_table(pc_fp) {
if mapper.translate(VirtualAddress::new(fp)).is_some()
&& mapper.translate(VirtualAddress::new(pc_fp)).is_some() {
let pc = *(pc_fp as *const usize);
if pc == 0 {
println!(" {:>016x}: EMPTY RETURN", fp);
@@ -39,7 +35,6 @@ pub unsafe fn stack_trace() {
println!(" {:>016x}: fp OVERFLOW", fp);
}
}
*/
}
///
/// Get a symbol