| 41 | #define STACK_FRAMES_MAX 20 |
| 42 | |
| 43 | void stack_trace_ctx(stack_trace_ops_t *ops, stack_trace_context_t *ctx) |
| 44 | { |
| 45 | int cnt = 0; |
| 46 | const char *symbol; |
| 47 | uintptr_t offset; |
| 48 | uintptr_t fp; |
| 49 | uintptr_t pc; |
| 50 | |
| 51 | while ((cnt++ < STACK_FRAMES_MAX) && |
| 52 | (ops->stack_trace_context_validate(ctx))) { |
| 53 | if (ops->symbol_resolve && |
| 54 | ops->symbol_resolve(ctx->pc, &symbol, &offset)) { |
| 55 | if (offset) |
| 56 | printf("%p: %s()+%p\n", (void *) ctx->fp, |
| 57 | symbol, (void *) offset); |
| 58 | else |
| 59 | printf("%p: %s()\n", (void *) ctx->fp, symbol); |
| 60 | } else |
| 61 | printf("%p: %p()\n", (void *) ctx->fp, (void *) ctx->pc); |
| 62 | |
| 63 | if (!ops->return_address_get(ctx, &pc)) |
| 64 | break; |
| 65 | |
| 66 | if (!ops->frame_pointer_prev(ctx, &fp)) |
| 67 | break; |
| 68 | |
| 69 | ctx->fp = fp; |
| 70 | ctx->pc = pc; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | void stack_trace(void) |
| 75 | { |
no test coverage detected