104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
|
|
#include "rust_internal.h"
|
|
#include <algorithm>
|
|
|
|
type_desc *
|
|
rust_crate_cache::get_type_desc(size_t size,
|
|
size_t align,
|
|
size_t n_descs,
|
|
type_desc const **descs,
|
|
uintptr_t n_obj_params)
|
|
{
|
|
I(sched, n_descs > 1);
|
|
type_desc *td = NULL;
|
|
size_t keysz = n_descs * sizeof(type_desc*);
|
|
HASH_FIND(hh, this->type_descs, descs, keysz, td);
|
|
if (td) {
|
|
DLOG(sched, cache, "rust_crate_cache::get_type_desc hit");
|
|
|
|
// FIXME: This is a gross hack.
|
|
td->n_obj_params = std::max(td->n_obj_params, n_obj_params);
|
|
|
|
return td;
|
|
}
|
|
DLOG(sched, cache, "rust_crate_cache::get_type_desc miss");
|
|
td = (type_desc*) sched->kernel->malloc(sizeof(type_desc) + keysz,
|
|
"crate cache typedesc");
|
|
if (!td)
|
|
return NULL;
|
|
// By convention, desc 0 is the root descriptor.
|
|
// but we ignore the size and alignment of it and use the
|
|
// passed-in, computed values.
|
|
memcpy(td, descs[0], sizeof(type_desc));
|
|
td->first_param = &td->descs[1];
|
|
td->size = size;
|
|
td->align = align;
|
|
for (size_t i = 0; i < n_descs; ++i) {
|
|
DLOG(sched, cache,
|
|
"rust_crate_cache::descs[%" PRIdPTR "] = 0x%" PRIxPTR,
|
|
i, descs[i]);
|
|
td->descs[i] = descs[i];
|
|
}
|
|
td->n_obj_params = n_obj_params;
|
|
td->n_params = n_descs - 1;
|
|
HASH_ADD(hh, this->type_descs, descs, keysz, td);
|
|
return td;
|
|
}
|
|
|
|
void**
|
|
rust_crate_cache::get_dict(size_t n_fields, void** dict) {
|
|
rust_hashable_dict *found = NULL;
|
|
size_t dictsz = sizeof(void*) * n_fields;
|
|
HASH_FIND(hh, this->dicts, dict, dictsz, found);
|
|
if (found) return &(found->fields[0]);
|
|
found = (rust_hashable_dict*)
|
|
sched->kernel->malloc(sizeof(UT_hash_handle) + dictsz,
|
|
"crate cache dict");
|
|
if (!found) return NULL;
|
|
void** retptr = &(found->fields[0]);
|
|
memcpy(retptr, dict, dictsz);
|
|
HASH_ADD_KEYPTR(hh, this->dicts, retptr, dictsz, found);
|
|
return retptr;
|
|
}
|
|
|
|
rust_crate_cache::rust_crate_cache(rust_scheduler *sched)
|
|
: type_descs(NULL),
|
|
dicts(NULL),
|
|
sched(sched),
|
|
idx(0)
|
|
{
|
|
}
|
|
|
|
void
|
|
rust_crate_cache::flush() {
|
|
DLOG(sched, cache, "rust_crate_cache::flush()");
|
|
|
|
while (type_descs) {
|
|
type_desc *d = type_descs;
|
|
HASH_DEL(type_descs, d);
|
|
DLOG(sched, mem, "rust_crate_cache::flush() tydesc %" PRIxPTR, d);
|
|
sched->kernel->free(d);
|
|
}
|
|
while (dicts) {
|
|
rust_hashable_dict *d = dicts;
|
|
HASH_DEL(dicts, d);
|
|
sched->kernel->free(d);
|
|
}
|
|
}
|
|
|
|
rust_crate_cache::~rust_crate_cache()
|
|
{
|
|
flush();
|
|
}
|
|
|
|
//
|
|
// Local Variables:
|
|
// mode: C++
|
|
// fill-column: 78;
|
|
// indent-tabs-mode: nil
|
|
// c-basic-offset: 4
|
|
// buffer-file-coding-system: utf-8-unix
|
|
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
|
|
// End:
|
|
//
|