Changes in kernel/arch/sparc64/src/debug/stacktrace.c [819a768:d99c1d2] in mainline

File:

• kernel/arch/sparc64/src/debug/stacktrace.c (modified) (1 diff)

kernel/arch/sparc64/src/debug/stacktrace.c

@@ -37 +37 @@
 #include <typedefs.h>
 
-#include <arch.h>
-#include <arch/stack.h>
-#include <arch/trap/trap_table.h>
-
-#if defined(SUN4V)
-#include <arch/sun4v/arch.h>
-#endif
-
-#define FRAME_OFFSET_FP_PREV    14
-#define FRAME_OFFSET_RA         15
-
-extern void alloc_window_and_flush(void);
-
 bool kernel_frame_pointer_validate(uintptr_t fp)
 {
-        uintptr_t kstack;
-        
-#if defined(SUN4U)
-        kstack = read_from_ag_g6();
-#elif defined(SUN4V)
-        kstack = asi_u64_read(ASI_SCRATCHPAD, SCRATCHPAD_KSTACK);
-#endif
-
-        kstack += STACK_BIAS;
-        kstack -= PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE;
-
-        if (THREAD && (fp == kstack))
-                return false;
-        return fp != 0;
+        return false;
 }
 
 bool kernel_frame_pointer_prev(uintptr_t fp, uintptr_t *prev)
 {
-        uint64_t *stack = (void *) fp;
-        alloc_window_and_flush();
-        *prev = stack[FRAME_OFFSET_FP_PREV] + STACK_BIAS;
-        return true;
+        return false;
 }
 
 bool kernel_return_address_get(uintptr_t fp, uintptr_t *ra)
 {
-        uint64_t *stack = (void *) fp;
-        alloc_window_and_flush();
-        *ra = stack[FRAME_OFFSET_RA];
-        return true;
+        return false;
 }