diff options
Diffstat (limited to 'vm.c')
| -rw-r--r-- | vm.c | 31 |
1 files changed, 31 insertions, 0 deletions
@@ -26,6 +26,7 @@ #include "internal/thread.h" #include "internal/vm.h" #include "internal/sanitizers.h" +#include "internal/variable.h" #include "iseq.h" #include "mjit.h" #include "yjit.h" @@ -4021,6 +4022,11 @@ Init_BareVM(void) rb_native_cond_initialize(&vm->ractor.sync.terminate_cond); } +#ifndef _WIN32 +#include <unistd.h> +#include <sys/mman.h> +#endif + void Init_vm_objects(void) { @@ -4032,6 +4038,31 @@ Init_vm_objects(void) vm->mark_object_ary = rb_ary_hidden_new(128); vm->loading_table = st_init_strtable(); vm->frozen_strings = st_init_table_with_size(&rb_fstring_hash_type, 10000); + +#if HAVE_MMAP + vm->shape_list = (rb_shape_t *)mmap(NULL, rb_size_mul_or_raise(SHAPE_BITMAP_SIZE * 32, sizeof(rb_shape_t), rb_eRuntimeError), + PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (vm->shape_list == MAP_FAILED) { + vm->shape_list = 0; + } +#else + vm->shape_list = xcalloc(SHAPE_BITMAP_SIZE * 32, sizeof(rb_shape_t)); +#endif + + if (!vm->shape_list) { + rb_memerror(); + } + + // Root shape + vm->root_shape = rb_shape_alloc(0, 0); + RUBY_ASSERT(rb_shape_id(vm->root_shape) == ROOT_SHAPE_ID); + + // Frozen root shape + vm->frozen_root_shape = rb_shape_alloc(rb_make_internal_id(), vm->root_shape); + vm->frozen_root_shape->type = (uint8_t)SHAPE_FROZEN; + RUBY_ASSERT(rb_shape_id(vm->frozen_root_shape) == FROZEN_ROOT_SHAPE_ID); + + vm->next_shape_id = 2; } /* Stub for builtin function when not building YJIT units*/ |