yjit.h


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#ifndef YJIT_H
#define YJIT_H 1
//
// This file contains definitions YJIT exposes to the CRuby codebase
//

#include "ruby/internal/config.h"
#include "ruby_assert.h" // for RUBY_DEBUG
#include "vm_core.h"
#include "method.h"

// YJIT_STATS controls whether to support runtime counters in generated code
// and in the interpreter.
#ifndef YJIT_STATS
# define YJIT_STATS RUBY_DEBUG
#endif

#if USE_YJIT && !defined(MJIT_HEADER) // MJIT and YJIT can't be enabled simultaneously

// We generate x86 or arm64 assembly
#if defined(_WIN32) ? defined(_M_AMD64) : (defined(__x86_64__) || defined(__aarch64__))
// x86_64 platforms without mingw/msys or x64-mswin
#else
# error YJIT unsupported platform
#endif

// Expose these as declarations since we are building YJIT.
bool rb_yjit_enabled_p(void);
unsigned rb_yjit_call_threshold(void);
void rb_yjit_invalidate_all_method_lookup_assumptions(void);
void rb_yjit_cme_invalidate(rb_callable_method_entry_t *cme);
void rb_yjit_collect_vm_usage_insn(int insn);
void rb_yjit_collect_binding_alloc(void);
void rb_yjit_collect_binding_set(void);
bool rb_yjit_compile_iseq(const rb_iseq_t *iseq, rb_execution_context_t *ec);
void rb_yjit_init(void);
void rb_yjit_bop_redefined(int redefined_flag, enum ruby_basic_operators bop);
void rb_yjit_constant_state_changed(ID id);
void rb_yjit_iseq_mark(void *payload);
void rb_yjit_iseq_update_references(void *payload);
void rb_yjit_iseq_free(void *payload);
void rb_yjit_before_ractor_spawn(void);
void rb_yjit_constant_ic_update(const rb_iseq_t *const iseq, IC ic, unsigned insn_idx);
void rb_yjit_tracing_invalidate_all(void);

#else
// !USE_YJIT
// In these builds, YJIT could never be turned on. Provide dummy implementations.

static inline bool rb_yjit_enabled_p(void) { return false; }
static inline unsigned rb_yjit_call_threshold(void) { return UINT_MAX; }
static inline void rb_yjit_invalidate_all_method_lookup_assumptions(void) {}
static inline void rb_yjit_cme_invalidate(rb_callable_method_entry_t *cme) {}
static inline void rb_yjit_collect_vm_usage_insn(int insn) {}
static inline void rb_yjit_collect_binding_alloc(void) {}
static inline void rb_yjit_collect_binding_set(void) {}
static inline bool rb_yjit_compile_iseq(const rb_iseq_t *iseq, rb_execution_context_t *ec) { return false; }
static inline void rb_yjit_init(void) {}
static inline void rb_yjit_bop_redefined(int redefined_flag, enum ruby_basic_operators bop) {}
static inline void rb_yjit_constant_state_changed(ID id) {}
static inline void rb_yjit_iseq_mark(void *payload) {}
static inline void rb_yjit_iseq_update_references(void *payload) {}
static inline void rb_yjit_iseq_free(void *payload) {}
static inline void rb_yjit_before_ractor_spawn(void) {}
static inline void rb_yjit_constant_ic_update(const rb_iseq_t *const iseq, IC ic, unsigned insn_idx) {}
static inline void rb_yjit_tracing_invalidate_all(void) {}

#endif // #if USE_YJIT

#endif // #ifndef YJIT_H