mango/syscall/dispatch.c

#include <kernel/machine/cpu.h>
#include <kernel/printk.h>
#include <kernel/syscall.h>

#define SYSCALL_TABLE_ENTRY(id, p) [SYS_##id] = (virt_addr_t)(sys_##p)

static const virt_addr_t syscall_table[] = {
	SYSCALL_TABLE_ENTRY(EXIT, exit),
	SYSCALL_TABLE_ENTRY(VM_OBJECT_CREATE, vm_object_create),
};
static const size_t syscall_table_count
	= sizeof syscall_table / sizeof syscall_table[0];

virt_addr_t syscall_get_function(unsigned int sysid)
{
	if (sysid >= syscall_table_count) {
		return 0;
	}

	return syscall_table[sysid];
}