artiq/soc/runtime/symbols.c

#include <string.h>

#include "elf_loader.h"
#include "corecom.h"
#include "gpio.h"
#include "rtio.h"
#include "dds.h"
#include "symbols.h"

static const struct symbol syscalls[] = {
	{"rpc",				rpc},
	{"gpio_set",		gpio_set},
	{"rtio_set",		rtio_set},
	{"rtio_sync",		rtio_sync},
	{"dds_program",		dds_program},
	{NULL, NULL}
};

static long long int gcd64(long long int a, long long int b)
{
	long long int c;

	while(a) {
		c = a;
		a = b % a;
		b = c;
	}
	return b;
}

static const struct symbol arithmetic[] = {
	{"__gcd64",			gcd64},
	{NULL, NULL}
};

void *resolve_symbol(const char *name)
{
	if(strncmp(name, "__syscall_", 10) == 0)
		return find_symbol(syscalls, name + 10);
	return find_symbol(arithmetic, name);
}