diff options
Diffstat (limited to 'jit.c')
-rw-r--r-- | jit.c | 423 |
1 files changed, 423 insertions, 0 deletions
@@ -0,0 +1,423 @@ +// Glue code shared between YJIT and ZJIT for use from Rust. +// For FFI safety and bindgen compatibility reasons, certain types of C +// functions require wrapping before they can be called from Rust. Those show +// up here. +// +// Code specific to YJIT and ZJIT should go to yjit.c and zjit.c respectively. + +#include "internal.h" +#include "vm_core.h" +#include "vm_callinfo.h" +#include "builtin.h" +#include "insns.inc" +#include "insns_info.inc" +#include "iseq.h" +#include "internal/gc.h" + +unsigned int +rb_iseq_encoded_size(const rb_iseq_t *iseq) +{ + return iseq->body->iseq_size; +} + +// Get the PC for a given index in an iseq +VALUE * +rb_iseq_pc_at_idx(const rb_iseq_t *iseq, uint32_t insn_idx) +{ + RUBY_ASSERT_ALWAYS(IMEMO_TYPE_P(iseq, imemo_iseq)); + RUBY_ASSERT_ALWAYS(insn_idx < iseq->body->iseq_size); + VALUE *encoded = iseq->body->iseq_encoded; + VALUE *pc = &encoded[insn_idx]; + return pc; +} + +// Get the opcode given a program counter. Can return trace opcode variants. +int +rb_iseq_opcode_at_pc(const rb_iseq_t *iseq, const VALUE *pc) +{ + // YJIT should only use iseqs after AST to bytecode compilation + RUBY_ASSERT_ALWAYS(FL_TEST_RAW((VALUE)iseq, ISEQ_TRANSLATED)); + + const VALUE at_pc = *pc; + return rb_vm_insn_addr2opcode((const void *)at_pc); +} + +unsigned long +rb_RSTRING_LEN(VALUE str) +{ + return RSTRING_LEN(str); +} + +char * +rb_RSTRING_PTR(VALUE str) +{ + return RSTRING_PTR(str); +} + +const char * +rb_insn_name(VALUE insn) +{ + return insn_name(insn); +} + +unsigned int +rb_vm_ci_argc(const struct rb_callinfo *ci) +{ + return vm_ci_argc(ci); +} + +ID +rb_vm_ci_mid(const struct rb_callinfo *ci) +{ + return vm_ci_mid(ci); +} + +unsigned int +rb_vm_ci_flag(const struct rb_callinfo *ci) +{ + return vm_ci_flag(ci); +} + +const struct rb_callinfo_kwarg * +rb_vm_ci_kwarg(const struct rb_callinfo *ci) +{ + return vm_ci_kwarg(ci); +} + +int +rb_get_cikw_keyword_len(const struct rb_callinfo_kwarg *cikw) +{ + return cikw->keyword_len; +} + +VALUE +rb_get_cikw_keywords_idx(const struct rb_callinfo_kwarg *cikw, int idx) +{ + return cikw->keywords[idx]; +} + +rb_method_visibility_t +rb_METHOD_ENTRY_VISI(const rb_callable_method_entry_t *me) +{ + return METHOD_ENTRY_VISI(me); +} + +rb_method_type_t +rb_get_cme_def_type(const rb_callable_method_entry_t *cme) +{ + if (UNDEFINED_METHOD_ENTRY_P(cme)) { + return VM_METHOD_TYPE_UNDEF; + } + else { + return cme->def->type; + } +} + +ID +rb_get_cme_def_body_attr_id(const rb_callable_method_entry_t *cme) +{ + return cme->def->body.attr.id; +} + +enum method_optimized_type +rb_get_cme_def_body_optimized_type(const rb_callable_method_entry_t *cme) +{ + return cme->def->body.optimized.type; +} + +unsigned int +rb_get_cme_def_body_optimized_index(const rb_callable_method_entry_t *cme) +{ + return cme->def->body.optimized.index; +} + +rb_method_cfunc_t * +rb_get_cme_def_body_cfunc(const rb_callable_method_entry_t *cme) +{ + return UNALIGNED_MEMBER_PTR(cme->def, body.cfunc); +} + +uintptr_t +rb_get_def_method_serial(const rb_method_definition_t *def) +{ + return def->method_serial; +} + +ID +rb_get_def_original_id(const rb_method_definition_t *def) +{ + return def->original_id; +} + +int +rb_get_mct_argc(const rb_method_cfunc_t *mct) +{ + return mct->argc; +} + +void * +rb_get_mct_func(const rb_method_cfunc_t *mct) +{ + return (void*)(uintptr_t)mct->func; // this field is defined as type VALUE (*func)(ANYARGS) +} + +const rb_iseq_t * +rb_get_def_iseq_ptr(rb_method_definition_t *def) +{ + return def_iseq_ptr(def); +} + +const rb_iseq_t * +rb_get_iseq_body_local_iseq(const rb_iseq_t *iseq) +{ + return iseq->body->local_iseq; +} + +unsigned int +rb_get_iseq_body_local_table_size(const rb_iseq_t *iseq) +{ + return iseq->body->local_table_size; +} + +VALUE * +rb_get_iseq_body_iseq_encoded(const rb_iseq_t *iseq) +{ + return iseq->body->iseq_encoded; +} + +unsigned +rb_get_iseq_body_stack_max(const rb_iseq_t *iseq) +{ + return iseq->body->stack_max; +} + +enum rb_iseq_type +rb_get_iseq_body_type(const rb_iseq_t *iseq) +{ + return iseq->body->type; +} + +bool +rb_get_iseq_flags_has_lead(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_lead; +} + +bool +rb_get_iseq_flags_has_opt(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_opt; +} + +bool +rb_get_iseq_flags_has_kw(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_kw; +} + +bool +rb_get_iseq_flags_has_post(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_post; +} + +bool +rb_get_iseq_flags_has_kwrest(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_kwrest; +} + +bool +rb_get_iseq_flags_anon_kwrest(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.anon_kwrest; +} + +bool +rb_get_iseq_flags_has_rest(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_rest; +} + +bool +rb_get_iseq_flags_ruby2_keywords(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.ruby2_keywords; +} + +bool +rb_get_iseq_flags_has_block(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.has_block; +} + +bool +rb_get_iseq_flags_ambiguous_param0(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.ambiguous_param0; +} + +bool +rb_get_iseq_flags_accepts_no_kwarg(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.accepts_no_kwarg; +} + +bool +rb_get_iseq_flags_forwardable(const rb_iseq_t *iseq) +{ + return iseq->body->param.flags.forwardable; +} + +// This is defined only as a named struct inside rb_iseq_constant_body. +// By giving it a separate typedef, we make it nameable by rust-bindgen. +// Bindgen's temp/anon name isn't guaranteed stable. +typedef struct rb_iseq_param_keyword rb_iseq_param_keyword_struct; + +const rb_iseq_param_keyword_struct * +rb_get_iseq_body_param_keyword(const rb_iseq_t *iseq) +{ + return iseq->body->param.keyword; +} + +unsigned +rb_get_iseq_body_param_size(const rb_iseq_t *iseq) +{ + return iseq->body->param.size; +} + +int +rb_get_iseq_body_param_lead_num(const rb_iseq_t *iseq) +{ + return iseq->body->param.lead_num; +} + +int +rb_get_iseq_body_param_opt_num(const rb_iseq_t *iseq) +{ + return iseq->body->param.opt_num; +} + +const VALUE * +rb_get_iseq_body_param_opt_table(const rb_iseq_t *iseq) +{ + return iseq->body->param.opt_table; +} + +struct rb_control_frame_struct * +rb_get_ec_cfp(const rb_execution_context_t *ec) +{ + return ec->cfp; +} + +const rb_iseq_t * +rb_get_cfp_iseq(struct rb_control_frame_struct *cfp) +{ + return cfp->iseq; +} + +VALUE * +rb_get_cfp_pc(struct rb_control_frame_struct *cfp) +{ + return (VALUE*)cfp->pc; +} + +VALUE * +rb_get_cfp_sp(struct rb_control_frame_struct *cfp) +{ + return cfp->sp; +} + +VALUE +rb_get_cfp_self(struct rb_control_frame_struct *cfp) +{ + return cfp->self; +} + +VALUE * +rb_get_cfp_ep(struct rb_control_frame_struct *cfp) +{ + return (VALUE*)cfp->ep; +} + +const VALUE * +rb_get_cfp_ep_level(struct rb_control_frame_struct *cfp, uint32_t lv) +{ + uint32_t i; + const VALUE *ep = (VALUE*)cfp->ep; + for (i = 0; i < lv; i++) { + ep = VM_ENV_PREV_EP(ep); + } + return ep; +} + +VALUE +rb_yarv_class_of(VALUE obj) +{ + return rb_class_of(obj); +} + +// The FL_TEST() macro +VALUE +rb_FL_TEST(VALUE obj, VALUE flags) +{ + return RB_FL_TEST(obj, flags); +} + +// The FL_TEST_RAW() macro, normally an internal implementation detail +VALUE +rb_FL_TEST_RAW(VALUE obj, VALUE flags) +{ + return FL_TEST_RAW(obj, flags); +} + +// The RB_TYPE_P macro +bool +rb_RB_TYPE_P(VALUE obj, enum ruby_value_type t) +{ + return RB_TYPE_P(obj, t); +} + +long +rb_RSTRUCT_LEN(VALUE st) +{ + return RSTRUCT_LEN(st); +} + +const struct rb_callinfo * +rb_get_call_data_ci(const struct rb_call_data *cd) +{ + return cd->ci; +} + +bool +rb_BASIC_OP_UNREDEFINED_P(enum ruby_basic_operators bop, uint32_t klass) +{ + return BASIC_OP_UNREDEFINED_P(bop, klass); +} + +VALUE +rb_RCLASS_ORIGIN(VALUE c) +{ + return RCLASS_ORIGIN(c); +} + +// For debug builds +void +rb_assert_iseq_handle(VALUE handle) +{ + RUBY_ASSERT_ALWAYS(IMEMO_TYPE_P(handle, imemo_iseq)); +} + +int +rb_IMEMO_TYPE_P(VALUE imemo, enum imemo_type imemo_type) +{ + return IMEMO_TYPE_P(imemo, imemo_type); +} + +void +rb_assert_cme_handle(VALUE handle) +{ + RUBY_ASSERT_ALWAYS(!rb_objspace_garbage_object_p(handle)); + RUBY_ASSERT_ALWAYS(IMEMO_TYPE_P(handle, imemo_ment)); +} |