stack trace uses saved registers, aka more useful stacktraces

2023-11-25 22:36:06 -06:00
parent b16f2152c2
commit 749ee0a0ba
18 changed files with 132 additions and 35152 deletions
--- a/src/arch/x86_common/stack_trace.rs
+++ b/src/arch/x86_common/stack_trace.rs
@@ -7,12 +7,8 @@ struct StackFrame {
    rip: u64,
 }

-pub fn print_stack_trace(max_frames: usize) {
-    let mut stackframe: *const StackFrame;
-
-    unsafe {
-        core::arch::asm!("mov {0:r}, rbp", out(reg) stackframe);
-    };
+pub fn print_stack_trace(max_frames: usize, rbp: u64) {
+    let mut stackframe = rbp as *const StackFrame;

    crate::println!("Stack Trace:");
    for _frame in 0..max_frames {