47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
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#include "sentry_boot.h"
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#define DEFINE_UNWINDER(Func) \
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size_t sentry__unwind_stack_##Func(void *addr, \
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const sentry_ucontext_t *uctx, void **ptrs, size_t max_frames)
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#define TRY_UNWINDER(Func) \
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do { \
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size_t rv = sentry__unwind_stack_##Func(addr, uctx, ptrs, max_frames); \
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if (rv > 0) { \
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return rv; \
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} \
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} while (0)
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DEFINE_UNWINDER(libunwindstack);
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DEFINE_UNWINDER(libbacktrace);
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DEFINE_UNWINDER(dbghelp);
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static size_t
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unwind_stack(
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void *addr, const sentry_ucontext_t *uctx, void **ptrs, size_t max_frames)
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{
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#ifdef SENTRY_WITH_UNWINDER_LIBUNWINDSTACK
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TRY_UNWINDER(libunwindstack);
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#endif
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#ifdef SENTRY_WITH_UNWINDER_LIBBACKTRACE
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TRY_UNWINDER(libbacktrace);
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#endif
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#ifdef SENTRY_WITH_UNWINDER_DBGHELP
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TRY_UNWINDER(dbghelp);
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#endif
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return 0;
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}
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size_t
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sentry_unwind_stack(void *addr, void **stacktrace_out, size_t max_len)
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{
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return unwind_stack(addr, NULL, stacktrace_out, max_len);
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}
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size_t
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sentry_unwind_stack_from_ucontext(
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const sentry_ucontext_t *uctx, void **stacktrace_out, size_t max_len)
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{
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return unwind_stack(NULL, uctx, stacktrace_out, max_len);
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}
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