cdde93a9e3
Provide an API to access the backtrace, in an arch-neutral way. The backtrace can be retrieved, examined and printed. Co-developed-by: Claude <noreply@anthropic.com> Signed-off-by: Simon Glass <simon.glass@canonical.com>
41 lines
696 B
C
41 lines
696 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Stack-backtrace support
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*
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* Copyright 2025 Canonical Ltd
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* Written by Simon Glass <simon.glass@canonical.com>
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*/
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#include <backtrace.h>
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#include <stdio.h>
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int backtrace_show(void)
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{
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char buf[BACKTRACE_BUFSZ];
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struct backtrace_ctx ctx;
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uint i;
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int ret;
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ret = backtrace_init(&ctx, 1);
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if (ret < 0)
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return ret;
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ret = backtrace_get_syms(&ctx, buf, sizeof(buf));
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if (ret) {
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backtrace_uninit(&ctx);
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return ret;
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}
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printf("backtrace: %d addresses\n", ctx.count);
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for (i = 0; i < ctx.count; i++) {
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if (ctx.syms[i])
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printf(" %s\n", ctx.syms[i]);
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else
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printf(" %p\n", ctx.addrs[i]);
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}
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backtrace_uninit(&ctx);
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return 0;
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}
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