factor/native/unix/ffi.c

74 lines
1.2 KiB
C

#include "../factor.h"
void primitive_dlopen(void)
{
#ifdef FFI
char* path;
void* dllptr;
DLL* dll;
maybe_garbage_collection();
path = unbox_c_string();
dllptr = dlopen(path,RTLD_LAZY);
if(dllptr == NULL)
{
general_error(ERROR_FFI,tag_object(
from_c_string(dlerror())));
}
dll = allot_object(DLL_TYPE,sizeof(DLL));
dll->dll = dllptr;
dpush(tag_object(dll));
#else
general_error(ERROR_FFI_DISABLED,F);
#endif
}
void primitive_dlsym(void)
{
#ifdef FFI
DLL* dll = untag_dll(dpop());
void* sym = dlsym(dll->dll,unbox_c_string());
if(sym == NULL)
{
general_error(ERROR_FFI,tag_object(
from_c_string(dlerror())));
}
dpush(tag_cell((CELL)sym));
#else
general_error(ERROR_FFI_DISABLED,F);
#endif
}
void primitive_dlsym_self(void)
{
#if defined(FFI)
void* sym = dlsym(NULL,unbox_c_string());
if(sym == NULL)
{
general_error(ERROR_FFI,tag_object(
from_c_string(dlerror())));
}
dpush(tag_cell((CELL)sym));
#else
general_error(ERROR_FFI_DISABLED,F);
#endif
}
void primitive_dlclose(void)
{
#ifdef FFI
DLL* dll = untag_dll(dpop());
if(dlclose(dll->dll) == -1)
{
general_error(ERROR_FFI,tag_object(
from_c_string(dlerror())));
}
dll->dll = NULL;
#else
general_error(ERROR_FFI_DISABLED,F);
#endif
}