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Lines Matching defs:ctx

45 tracer(struct _Unwind_Context *ctx, void *arg)
54 		t->arr[t->n++] = (void *)_Unwind_GetIP(ctx);
63 	struct tracer_context ctx;
65 	ctx.arr = arr;
66 	ctx.len = len;
67 	ctx.n = (size_t)~0;
69 	_Unwind_Backtrace(tracer, &ctx);
70 	if (ctx.n == (size_t)~0)
71 		ctx.n = 0;
72 	else if (ctx.n > 0)
73 		ctx.arr[--ctx.n] = NULL;	/* Skip frame below __start */
75 	return ctx.n;