int initialize_kernels(const unsigned char *code, int codeLen, bool use_dlopenbuf, handle_t *module_ptr) {
void *lib = NULL;
if (use_dlopenbuf) {
if (!dlopenbuf) {
log_printf("dlopenbuf not available.\n");
return -1;
}
// We need a unique soname, or dlopenbuf will return a
// previously opened library.
static int unique_id = 0;
char soname[256];
sprintf(soname, "libhalide_kernels%04d.so", __sync_fetch_and_add(&unique_id, 1));
// Open the library
dllib_init();
// We need to use RTLD_NOW, the libraries we build for Hexagon
// offloading do not support lazy bindin.
lib = dlopenbuf(soname, (const char*)code, codeLen, RTLD_LOCAL | RTLD_NOW);
if (!lib) {
halide_print(NULL, "dlopenbuf failed\n");
halide_print(NULL, dlerror());
return -1;
}
} else {
lib = mmap_dlopen(code, codeLen);
if (!lib) {
halide_print(NULL, "mmap_dlopen failed\n");
return -1;
}
}
*module_ptr = reinterpret_cast<handle_t>(lib);
return 0;
}
int halide_hexagon_remote_load_library(const char *soname, int sonameLen,
const unsigned char *code, int codeLen,
handle_t *module_ptr) {
void *lib = NULL;
if (use_dlopenbuf()) {
// We need to use RTLD_NOW, the libraries we build for Hexagon
// offloading do not support lazy binding.
lib = dlopenbuf(soname, (const char*)code, codeLen, RTLD_GLOBAL | RTLD_NOW);
if (!lib) {
log_printf("dlopenbuf failed: %s\n", dlerror());
return -1;
}
} else {
lib = mmap_dlopen(code, codeLen);
if (!lib) {
log_printf("mmap_dlopen failed\n");
return -1;
}
}
*module_ptr = reinterpret_cast<handle_t>(lib);
return 0;
}
