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* vm_trace.c (rb_tracepoint_enable_for_target): support targetting TracePoint. [Feature #15289] Tragetting TracePoint is only enabled on specified method, proc and so on, example: `tp.enable(target: code)`. `code` should be consisted of InstructionSeuqnece (iseq) (RubyVM::InstructionSeuqnece.of(code) should not return nil) If code is a tree of iseq, TracePoint is enabled on all of iseqs in a tree. Enabled tragetting TracePoints can not enabled again with and without target. * vm_core.h (rb_iseq_t): introduce `rb_iseq_t::local_hooks` to store local hooks. `rb_iseq_t::aux::trace_events` is renamed to `global_trace_events` to contrast with `local_hooks`. * vm_core.h (rb_hook_list_t): add `rb_hook_list_t::running` to represent how many Threads/Fibers are used this list. If this field is 0, nobody using this hooks and we can delete it. This is why we can remove code from cont.c. * vm_core.h (rb_vm_t): because of above change, we can eliminate `rb_vm_t::trace_running` field. Also renamed from `rb_vm_t::event_hooks` to `global_hooks`. * vm_core.h, vm.c (ruby_vm_event_enabled_global_flags): renamed from `ruby_vm_event_enabled_flags. * vm_core.h, vm.c (ruby_vm_event_local_num): added to count enabled targetting TracePoints. * vm_core.h, vm_trace.c (rb_exec_event_hooks): accepts hook list. * vm_core.h (rb_vm_global_hooks): added for convinience. * method.h (rb_method_bmethod_t): added to maintain Proc and `rb_hook_list_t` for bmethod (defined by define_method). * prelude.rb (TracePoint#enable): extracet a keyword parameter (because it is easy than writing in C). It calls `TracePoint#__enable` internal method written in C. * vm_insnhelper.c (vm_trace): check also iseq->local_hooks. * vm.c (invoke_bmethod): check def->body.bmethod.hooks. * vm.c (hook_before_rewind): check iseq->local_hooks and def->body.bmethod.hooks before rewind by exception. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
94 lines
5.1 KiB
Text
94 lines
5.1 KiB
Text
% # -*- mode:c; style:ruby; coding: utf-8; indent-tabs-mode: nil -*-
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% # Copyright (c) 2018 Takashi Kokubun. All rights reserved.
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% #
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% # This file is a part of the programming language Ruby. Permission is hereby
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% # granted, to either redistribute and/or modify this file, provided that the
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% # conditions mentioned in the file COPYING are met. Consult the file for
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% # details.
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%
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% # Optimized case of send / opt_send_without_block instructions.
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{
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MAYBE_UNUSED(int pc_moved_p) = FALSE;
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% # compiler: Prepare operands which may be used by `insn.call_attribute`
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% insn.opes.each_with_index do |ope, i|
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MAYBE_UNUSED(<%= ope.fetch(:decl) %>) = (<%= ope.fetch(:type) %>)operands[<%= i %>];
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% end
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% # compiler: Use copied cc to avoid race condition
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CALL_CACHE cc_copy = status->cc_entries + (cc - body->cc_entries);
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%
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if (has_valid_method_type(cc_copy)) {
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const rb_iseq_t *iseq;
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unsigned int argc = ci->orig_argc; /* unlike `ci->orig_argc`, `argc` may include blockarg */
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% if insn.name == 'send'
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argc += ((ci->flag & VM_CALL_ARGS_BLOCKARG) ? 1 : 0);
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% end
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if (!(ci->flag & VM_CALL_TAILCALL) && /* inlining non-tailcall path */
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cc_copy->me->def->type == VM_METHOD_TYPE_ISEQ && inlinable_iseq_p(ci, cc_copy, iseq = def_iseq_ptr(cc_copy->me->def)) /* CC_SET_FASTPATH in vm_callee_setup_arg */) {
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int param_size = iseq->body->param.size; /* TODO: check calling->argc for argument_arity_error */
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fprintf(f, "{\n");
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% # JIT: Declare stack_size to be used in some macro of _mjit_compile_insn_body.erb
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if (status->local_stack_p) {
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fprintf(f, " MAYBE_UNUSED(unsigned int) stack_size = %u;\n", b->stack_size);
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}
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% # JIT: Invalidate call cache if it requires vm_search_method. This allows to inline some of following things.
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fprintf(f, " if (UNLIKELY(GET_GLOBAL_METHOD_STATE() != %"PRI_SERIALT_PREFIX"u ||\n", cc_copy->method_state);
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fprintf(f, " RCLASS_SERIAL(CLASS_OF(stack[%d])) != %"PRI_SERIALT_PREFIX"u)) {\n", b->stack_size - 1 - argc, cc_copy->class_serial);
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fprintf(f, " reg_cfp->pc = original_body_iseq + %d;\n", pos);
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fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %d;\n", b->stack_size + 1);
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fprintf(f, " goto cancel;\n");
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fprintf(f, " }\n");
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% # JIT: move sp and pc if necessary
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<%= render 'mjit_compile_pc_and_sp', locals: { insn: insn } -%>
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% # JIT: Print insn body in insns.def
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fprintf(f, " {\n");
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fprintf(f, " struct rb_calling_info calling;\n");
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% if insn.name == 'send'
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fprintf(f, " calling.block_handler = vm_caller_setup_arg_block(ec, reg_cfp, (CALL_INFO)0x%"PRIxVALUE", (rb_iseq_t *)0x%"PRIxVALUE", FALSE);\n", operands[0], operands[2]);
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% else
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fprintf(f, " calling.block_handler = VM_BLOCK_HANDLER_NONE;\n");
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% end
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fprintf(f, " calling.argc = %d;\n", ci->orig_argc);
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fprintf(f, " calling.recv = stack[%d];\n", b->stack_size - 1 - argc);
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% # JIT: Special CALL_METHOD. Bypass cc_copy->call and inline vm_call_iseq_setup_normal for vm_call_iseq_setup_func FASTPATH.
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fprintf(f, " {\n");
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fprintf(f, " VALUE v;\n");
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fprintf(f, " vm_call_iseq_setup_normal(ec, reg_cfp, &calling, (const rb_callable_method_entry_t *)0x%"PRIxVALUE", 0, %d, %d);\n",
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(VALUE)cc_copy->me, param_size, iseq->body->local_table_size); /* rb_simple_iseq_p checks rb_simple_iseq_p, which ensures has_opt == FALSE */
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if (iseq->body->catch_except_p) {
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fprintf(f, " VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_FINISH);\n");
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fprintf(f, " v = vm_exec(ec, TRUE);\n");
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}
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else {
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fprintf(f, " if ((v = mjit_exec(ec)) == Qundef) {\n");
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fprintf(f, " VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_FINISH);\n"); /* This is vm_call0_body's code after vm_call_iseq_setup */
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fprintf(f, " v = vm_exec(ec, FALSE);\n");
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fprintf(f, " }\n");
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}
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fprintf(f, " stack[%d] = v;\n", b->stack_size - argc - 1);
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fprintf(f, " }\n");
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fprintf(f, " }\n");
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% # JIT: We should evaluate ISeq modified for TracePoint if it's enabled. Note: This is slow.
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fprintf(f, " if (UNLIKELY(ruby_vm_event_enabled_global_flags & ISEQ_TRACE_EVENTS)) {\n");
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fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %d;\n", b->stack_size + (int)<%= insn.call_attribute('sp_inc') %> + 1);
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if (!pc_moved_p) {
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fprintf(f, " reg_cfp->pc = original_body_iseq + %d;\n", next_pos);
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}
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fprintf(f, " goto cancel;\n");
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fprintf(f, " }\n");
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% # compiler: Move JIT compiler's internal stack pointer
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b->stack_size += <%= insn.call_attribute('sp_inc') %>;
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fprintf(f, "}\n");
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break;
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}
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}
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}
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