forked from M-Labs/artiq
41 lines
758 B
C
41 lines
758 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("ERROR: uncaught exception, ID=%d\n", id);
|
|
while(1);
|
|
}
|
|
}
|