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

// We generate x86 assembly
#if (defined(__x86_64__) && !defined(_WIN32)) || (defined(_WIN32) && defined(_M_AMD64)) // x64 platforms without mingw/msys
# define YJIT_SUPPORTED_P 1
#else
# define YJIT_SUPPORTED_P 0
#endif

// Is the output binary going to include YJIT?
#if USE_MJIT && USE_YJIT && YJIT_SUPPORTED_P
# define YJIT_BUILD 1
#else
# define YJIT_BUILD 0
#endif

#undef YJIT_SUPPORTED_P

#if YJIT_BUILD

// 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_method_lookup_change(VALUE klass, ID mid);
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);
void rb_yjit_tracing_invalidate_all(void);

#else
// !YJIT_BUILD
// 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_method_lookup_change(VALUE klass, ID mid) {}
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) {}
static inline void rb_yjit_tracing_invalidate_all(void) {}

#endif // #if YJIT_BUILD

#endif // #ifndef YJIT_H