mirror of https://github.com/m-labs/artiq.git
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <unwind.h>
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#include "artiq_personality.h"
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#define ARTIQ_EXCEPTION_CLASS 0x4152545141525451LL // 'ARTQARTQ'
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struct artiq_raised_exception {
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struct _Unwind_Exception unwind;
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struct artiq_exception artiq;
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};
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static void __artiq_cleanup(_Unwind_Reason_Code reason, struct _Unwind_Exception *exc) {
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struct artiq_raised_exception *inflight = (struct artiq_raised_exception*) exc;
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// The in-flight exception is statically allocated, so we don't need to free it.
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// But, we clear it to mark it as processed.
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memset(&inflight->artiq, 0, sizeof(struct artiq_exception));
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}
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void __artiq_raise(struct artiq_exception *artiq_exn) {
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static struct artiq_raised_exception inflight;
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memcpy(&inflight.artiq, artiq_exn, sizeof(struct artiq_exception));
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inflight.unwind.exception_class = ARTIQ_EXCEPTION_CLASS;
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inflight.unwind.exception_cleanup = &__artiq_cleanup;
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_Unwind_Reason_Code result = _Unwind_RaiseException(&inflight.unwind);
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if(result == _URC_END_OF_STACK) {
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__artiq_terminate(&inflight.artiq);
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} else {
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fprintf(stderr, "__artiq_raise: unexpected error (%d)\n", result);
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abort();
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}
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}
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_Unwind_Reason_Code __artiq_personality(
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int version, _Unwind_Action actions, uint64_t exceptionClass,
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struct _Unwind_Exception *exceptionObject, struct _Unwind_Context *context) {
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abort();
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}
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