Changes in kernel/arch/sparc64/src/debug/stacktrace.c [d99c1d2:819a768] in mainline
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/arch/sparc64/src/debug/stacktrace.c
rd99c1d2 r819a768 37 37 #include <typedefs.h> 38 38 39 #include <arch.h> 40 #include <arch/stack.h> 41 #include <arch/trap/trap_table.h> 42 43 #if defined(SUN4V) 44 #include <arch/sun4v/arch.h> 45 #endif 46 47 #define FRAME_OFFSET_FP_PREV 14 48 #define FRAME_OFFSET_RA 15 49 50 extern void alloc_window_and_flush(void); 51 39 52 bool kernel_frame_pointer_validate(uintptr_t fp) 40 53 { 41 return false; 54 uintptr_t kstack; 55 56 #if defined(SUN4U) 57 kstack = read_from_ag_g6(); 58 #elif defined(SUN4V) 59 kstack = asi_u64_read(ASI_SCRATCHPAD, SCRATCHPAD_KSTACK); 60 #endif 61 62 kstack += STACK_BIAS; 63 kstack -= PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE; 64 65 if (THREAD && (fp == kstack)) 66 return false; 67 return fp != 0; 42 68 } 43 69 44 70 bool kernel_frame_pointer_prev(uintptr_t fp, uintptr_t *prev) 45 71 { 46 return false; 72 uint64_t *stack = (void *) fp; 73 alloc_window_and_flush(); 74 *prev = stack[FRAME_OFFSET_FP_PREV] + STACK_BIAS; 75 return true; 47 76 } 48 77 49 78 bool kernel_return_address_get(uintptr_t fp, uintptr_t *ra) 50 79 { 51 return false; 80 uint64_t *stack = (void *) fp; 81 alloc_window_and_flush(); 82 *ra = stack[FRAME_OFFSET_RA]; 83 return true; 52 84 } 53 85
Note:
See TracChangeset
for help on using the changeset viewer.