Rename MJIT filenames to RJIT

1 files changed, 158 insertions, 0 deletions

diff --git a/rjit.h b/rjit.h
new file mode 100644
index 0000000000..fb5e503ca2
--- /dev/null
+++ b/rjit.h
@@ -0,0 +1,158 @@
+#ifndef RUBY_MJIT_H
+#define RUBY_MJIT_H 1
+/**********************************************************************
+
+  mjit.h - Interface to MRI method JIT compiler
+
+  Copyright (C) 2017 Vladimir Makarov <vmakarov@redhat.com>.
+  Copyright (C) 2017 Takashi Kokubun <k0kubun@ruby-lang.org>.
+
+**********************************************************************/
+
+#include "ruby/internal/config.h" // defines USE_MJIT
+#include "ruby/internal/stdbool.h"
+#include "vm_core.h"
+
+# if USE_MJIT
+
+#ifndef MJIT_STATS
+# define MJIT_STATS RUBY_DEBUG
+#endif
+
+#include "ruby.h"
+#include "vm_core.h"
+
+// Special address values of a function generated from the
+// corresponding iseq by MJIT:
+enum rb_mjit_func_state {
+    // ISEQ has not been compiled yet
+    MJIT_FUNC_NOT_COMPILED = 0,
+    // ISEQ is already queued for the machine code generation but the
+    // code is not ready yet for the execution
+    MJIT_FUNC_COMPILING = 1,
+    // ISEQ included not compilable insn, some internal assertion failed
+    // or the unit is unloaded
+    MJIT_FUNC_FAILED = 2,
+};
+// Return true if jit_func is part of enum rb_mjit_func_state
+#define MJIT_FUNC_STATE_P(jit_func) ((uintptr_t)(jit_func) <= (uintptr_t)MJIT_FUNC_FAILED)
+
+// MJIT options which can be defined on the MRI command line.
+struct mjit_options {
+    // Converted from "jit" feature flag to tell the enablement
+    // information to ruby_show_version().
+    bool on;
+    // Save temporary files after MRI finish.  The temporary files
+    // include the pre-compiled header, C code file generated for ISEQ,
+    // and the corresponding object file.
+    bool save_temps;
+    // Print MJIT warnings to stderr.
+    bool warnings;
+    // Disable compiler optimization and add debug symbols. It can be
+    // very slow.
+    bool debug;
+    // Add arbitrary cflags.
+    char* debug_flags;
+    // If true, all ISeqs are synchronously compiled. For testing.
+    bool wait;
+    // Number of calls to trigger JIT compilation. For testing.
+    unsigned int call_threshold;
+    // Collect MJIT statistics
+    bool stats;
+    // Force printing info about MJIT work of level VERBOSE or
+    // less. 0=silence, 1=medium, 2=verbose.
+    int verbose;
+    // Maximal permitted number of iseq JIT codes in a MJIT memory
+    // cache.
+    int max_cache_size;
+    // [experimental] Do not start MJIT until MJIT.resume is called.
+    bool pause;
+    // [experimental] Call custom RubyVM::MJIT.compile instead of MJIT.
+    bool custom;
+    // Enable disasm of all JIT code
+    bool dump_disasm;
+};
+
+// State of optimization switches
+struct rb_mjit_compile_info {
+    // Disable getinstancevariable/setinstancevariable optimizations based on inline cache (T_OBJECT)
+    bool disable_ivar_cache;
+    // Disable getinstancevariable/setinstancevariable optimizations based on inline cache (FL_EXIVAR)
+    bool disable_exivar_cache;
+    // Disable send/opt_send_without_block optimizations based on inline cache
+    bool disable_send_cache;
+    // Disable method inlining
+    bool disable_inlining;
+    // Disable opt_getinlinecache inlining
+    bool disable_const_cache;
+};
+
+typedef VALUE (*jit_func_t)(rb_execution_context_t *, rb_control_frame_t *);
+
+RUBY_SYMBOL_EXPORT_BEGIN
+RUBY_EXTERN struct mjit_options mjit_opts;
+RUBY_EXTERN bool mjit_call_p;
+
+extern void rb_mjit_compile(const rb_iseq_t *iseq);
+extern struct rb_mjit_compile_info* rb_mjit_iseq_compile_info(const struct rb_iseq_constant_body *body);
+extern void rb_mjit_recompile_send(const rb_iseq_t *iseq);
+extern void rb_mjit_recompile_ivar(const rb_iseq_t *iseq);
+extern void rb_mjit_recompile_exivar(const rb_iseq_t *iseq);
+extern void rb_mjit_recompile_inlining(const rb_iseq_t *iseq);
+extern void rb_mjit_recompile_const(const rb_iseq_t *iseq);
+RUBY_SYMBOL_EXPORT_END
+
+extern void mjit_cancel_all(const char *reason);
+extern bool mjit_compile(FILE *f, const rb_iseq_t *iseq, const char *funcname, int id);
+extern void mjit_init(const struct mjit_options *opts);
+extern void mjit_free_iseq(const rb_iseq_t *iseq);
+extern void rb_mjit_iseq_update_references(struct rb_iseq_constant_body *const body);
+extern void mjit_mark(void);
+extern void rb_mjit_iseq_mark(VALUE mjit_blocks);
+extern void mjit_notify_waitpid(int exit_code);
+
+extern void rb_mjit_bop_redefined(int redefined_flag, enum ruby_basic_operators bop);
+extern void rb_mjit_cme_invalidate(rb_callable_method_entry_t *cme);
+extern void rb_mjit_before_ractor_spawn(void);
+extern void rb_mjit_constant_state_changed(ID id);
+extern void rb_mjit_constant_ic_update(const rb_iseq_t *const iseq, IC ic, unsigned insn_idx);
+extern void rb_mjit_tracing_invalidate_all(rb_event_flag_t new_iseq_events);
+
+void mjit_child_after_fork(void);
+
+extern void rb_mjit_bop_redefined(int redefined_flag, enum ruby_basic_operators bop);
+extern void rb_mjit_before_ractor_spawn(void);
+extern void rb_mjit_tracing_invalidate_all(rb_event_flag_t new_iseq_events);
+extern void rb_mjit_collect_vm_usage_insn(int insn);
+
+extern bool mjit_enabled;
+extern bool mjit_stats_enabled;
+VALUE mjit_pause(bool wait_p);
+VALUE mjit_resume(void);
+void mjit_finish(bool close_handle_p);
+
+# else // USE_MJIT
+
+static inline void mjit_cancel_all(const char *reason){}
+static inline void mjit_free_iseq(const rb_iseq_t *iseq){}
+static inline void mjit_mark(void){}
+static inline VALUE jit_exec(rb_execution_context_t *ec) { return Qundef; /* unreachable */ }
+static inline void mjit_child_after_fork(void){}
+
+static inline void rb_mjit_bop_redefined(int redefined_flag, enum ruby_basic_operators bop) {}
+static inline void rb_mjit_cme_invalidate(rb_callable_method_entry_t *cme) {}
+static inline void rb_mjit_before_ractor_spawn(void) {}
+static inline void rb_mjit_constant_state_changed(ID id) {}
+static inline void rb_mjit_constant_ic_update(const rb_iseq_t *const iseq, IC ic, unsigned insn_idx) {}
+static inline void rb_mjit_tracing_invalidate_all(rb_event_flag_t new_iseq_events) {}
+
+#define mjit_enabled false
+#define mjit_stats_enabled false
+static inline VALUE mjit_pause(bool wait_p){ return Qnil; } // unreachable
+static inline VALUE mjit_resume(void){ return Qnil; } // unreachable
+static inline void mjit_finish(bool close_handle_p){}
+
+static inline void rb_mjit_collect_vm_usage_insn(int insn) {}
+
+# endif // USE_MJIT
+#endif // RUBY_MJIT_H