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artiq/soc/runtime/exceptions.c

39 lines
734 B
C

#include "exceptions.h"
#include "corecom.h"
#define MAX_EXCEPTION_CONTEXTS 64
struct exception_context {
void *jb[13];
};
static struct exception_context exception_contexts[MAX_EXCEPTION_CONTEXTS];
static int ec_top;
static int stored_id;
void *exception_push(void)
{
if(ec_top >= MAX_EXCEPTION_CONTEXTS)
exception_raise(EID_OUT_OF_MEMORY);
return exception_contexts[ec_top++].jb;
}
void exception_pop(int levels)
{
ec_top -= levels;
}
int exception_getid(void)
{
return stored_id;
}
void exception_raise(int id)
{
if(ec_top > 0) {
stored_id = id;
exception_longjmp(exception_contexts[--ec_top].jb);
} else
corecom_log("WARNING: uncaught exception, ID=%d\n", id);
}