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x86-64/arch_prof: fix backtrace

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Matheus
2025-12-07 12:06:14 -03:00
parent 16d8d5248a
commit 1a7a178168
1 changed files with 4 additions and 2 deletions
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kernel-src/arch/x86-64/arch_prof.c
+4 -2
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@@ -72,8 +72,10 @@ static uint8_t get_backtrace(context_t *context, uintptr_t *data) {
if (IS_USER_ADDRESS(context->rip)) if (IS_USER_ADDRESS(context->rip))
return 0; return 0;
data[0] = context->rip;
uint64_t *rbp = (uint64_t *)context->rbp; uint64_t *rbp = (uint64_t *)context->rbp;
uint8_t done = 0; uint8_t done = 1;
for (;;) { for (;;) {
if (IS_USER_ADDRESS(rbp) || done == 255) if (IS_USER_ADDRESS(rbp) || done == 255)
@@ -83,7 +85,7 @@ static uint8_t get_backtrace(context_t *context, uintptr_t *data) {
if (IS_USER_ADDRESS(rip)) if (IS_USER_ADDRESS(rip))
break; break;
data[done++] = rip; data[done++] = rip - 1;
rbp = (uint64_t *)*rbp; rbp = (uint64_t *)*rbp;
} }