feature (memory management): implemented a function to read the caller from the stack

2023-06-01 11:40:12 +02:00 · 2023-06-01 11:40:12 +02:00 · 263e7305cf
parent 7d33377806
commit 263e7305cf
2 changed files with 9 additions and 0 deletions
--- a/inc/mm/stack.h
+++ b/inc/mm/stack.h
@ -11,4 +11,6 @@
 void stack_dump_call_info   (uint64_t rip, symbol_T* symbol);
 void stack_trace_call_stack (uint64_t rbp);

+extern uint64_t stack_get_caller();
+
 #endif //NOX_STACK_H
--- a/src/platform/x86/stack.asm
+++ b/src/platform/x86/stack.asm
@ -0,0 +1,7 @@
+; This file is part of noxos and licensed under the MIT open source license
+
+stack_get_caller:
+    mov rax, [rbp + 0x8]
+    ret
+
+GLOBAL stack_get_caller