Lines Matching defs:ctx
45 tracer(struct _Unwind_Context *ctx, void *arg)
54 t->arr[t->n++] = _Unwind_GetIP(ctx);
61 struct tracer_context ctx;
63 ctx.arr = arr;
64 ctx.len = len;
65 ctx.n = (size_t)~0;
67 _Unwind_Backtrace(tracer, &ctx);
68 if (ctx.n != (size_t)~0 && ctx.n > 0)
69 ctx.arr[--ctx.n] = NULL; /* Skip frame below __start */
71 return ctx.n;