133 lines
4.8 KiB
C
133 lines
4.8 KiB
C
#ifndef RUBY_MJIT_H
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#define RUBY_MJIT_H 1
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/**********************************************************************
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mjit.h - Interface to MRI method JIT compiler for Ruby's main thread
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Copyright (C) 2017 Vladimir Makarov <vmakarov@redhat.com>.
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**********************************************************************/
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#include "ruby/internal/config.h" // defines USE_MJIT
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#include "ruby/internal/stdbool.h"
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#include "vm_core.h"
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# if USE_MJIT
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#include "debug_counter.h"
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#include "ruby.h"
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#include "vm_core.h"
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// Special address values of a function generated from the
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// corresponding iseq by MJIT:
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enum rb_mjit_iseq_func {
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// ISEQ has never been enqueued to unit_queue yet
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NOT_ADDED_JIT_ISEQ_FUNC = 0,
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// ISEQ is already queued for the machine code generation but the
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// code is not ready yet for the execution
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NOT_READY_JIT_ISEQ_FUNC = 1,
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// ISEQ included not compilable insn, some internal assertion failed
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// or the unit is unloaded
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NOT_COMPILED_JIT_ISEQ_FUNC = 2,
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// End mark
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LAST_JIT_ISEQ_FUNC = 3
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};
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// MJIT options which can be defined on the MRI command line.
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struct mjit_options {
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// Converted from "jit" feature flag to tell the enablement
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// information to ruby_show_version().
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bool on;
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// Save temporary files after MRI finish. The temporary files
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// include the pre-compiled header, C code file generated for ISEQ,
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// and the corresponding object file.
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bool save_temps;
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// Print MJIT warnings to stderr.
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bool warnings;
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// Disable compiler optimization and add debug symbols. It can be
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// very slow.
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bool debug;
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// Add arbitrary cflags.
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char* debug_flags;
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// If true, all ISeqs are synchronously compiled. For testing.
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bool wait;
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// Number of calls to trigger JIT compilation. For testing.
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unsigned int min_calls;
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// Force printing info about MJIT work of level VERBOSE or
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// less. 0=silence, 1=medium, 2=verbose.
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int verbose;
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// Maximal permitted number of iseq JIT codes in a MJIT memory
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// cache.
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int max_cache_size;
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// [experimental] Do not start MJIT until MJIT.resume is called.
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bool pause;
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// [experimental] Call custom RubyVM::MJIT.compile instead of MJIT.
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bool custom;
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};
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// State of optimization switches
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struct rb_mjit_compile_info {
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// Disable getinstancevariable/setinstancevariable optimizations based on inline cache (T_OBJECT)
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bool disable_ivar_cache;
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// Disable getinstancevariable/setinstancevariable optimizations based on inline cache (FL_EXIVAR)
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bool disable_exivar_cache;
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// Disable send/opt_send_without_block optimizations based on inline cache
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bool disable_send_cache;
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// Disable method inlining
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bool disable_inlining;
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// Disable opt_getinlinecache inlining
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bool disable_const_cache;
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};
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typedef VALUE (*mjit_func_t)(rb_execution_context_t *, rb_control_frame_t *);
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RUBY_SYMBOL_EXPORT_BEGIN
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RUBY_EXTERN struct mjit_options mjit_opts;
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RUBY_EXTERN bool mjit_call_p;
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extern void rb_mjit_add_iseq_to_process(const rb_iseq_t *iseq);
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extern VALUE rb_mjit_wait_call(rb_execution_context_t *ec, struct rb_iseq_constant_body *body);
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extern struct rb_mjit_compile_info* rb_mjit_iseq_compile_info(const struct rb_iseq_constant_body *body);
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extern void rb_mjit_recompile_send(const rb_iseq_t *iseq);
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extern void rb_mjit_recompile_ivar(const rb_iseq_t *iseq);
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extern void rb_mjit_recompile_exivar(const rb_iseq_t *iseq);
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extern void rb_mjit_recompile_inlining(const rb_iseq_t *iseq);
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extern void rb_mjit_recompile_const(const rb_iseq_t *iseq);
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RUBY_SYMBOL_EXPORT_END
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extern void mjit_cancel_all(const char *reason);
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extern bool mjit_compile(FILE *f, const rb_iseq_t *iseq, const char *funcname, int id);
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extern void mjit_init(const struct mjit_options *opts);
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extern void mjit_free_iseq(const rb_iseq_t *iseq);
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extern void mjit_update_references(const rb_iseq_t *iseq);
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extern void mjit_mark(void);
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extern void mjit_mark_cc_entries(const struct rb_iseq_constant_body *const body);
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extern void mjit_notify_waitpid(int exit_code);
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void mjit_child_after_fork(void);
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# ifdef MJIT_HEADER
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#define mjit_enabled true
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# else // MJIT_HEADER
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extern bool mjit_enabled;
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# endif // MJIT_HEADER
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VALUE mjit_pause(bool wait_p);
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VALUE mjit_resume(void);
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void mjit_finish(bool close_handle_p);
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# else // USE_MJIT
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static inline void mjit_cancel_all(const char *reason){}
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static inline void mjit_free_iseq(const rb_iseq_t *iseq){}
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static inline void mjit_mark(void){}
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static inline VALUE jit_exec(rb_execution_context_t *ec) { return Qundef; /* unreachable */ }
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static inline void mjit_child_after_fork(void){}
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#define mjit_enabled false
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static inline VALUE mjit_pause(bool wait_p){ return Qnil; } // unreachable
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static inline VALUE mjit_resume(void){ return Qnil; } // unreachable
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static inline void mjit_finish(bool close_handle_p){}
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# endif // USE_MJIT
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#endif // RUBY_MJIT_H
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