debug.go (1723B)
1 /* 2 * Copyright 2021 ByteDance Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package decoder 18 19 import ( 20 `os` 21 `runtime` 22 `runtime/debug` 23 `strings` 24 25 `github.com/bytedance/sonic/internal/jit` 26 ) 27 28 29 var ( 30 debugSyncGC = os.Getenv("SONIC_SYNC_GC") != "" 31 debugAsyncGC = os.Getenv("SONIC_NO_ASYNC_GC") == "" 32 ) 33 34 var ( 35 _Instr_End _Instr = newInsOp(_OP_nil_1) 36 37 _F_gc = jit.Func(runtime.GC) 38 _F_force_gc = jit.Func(debug.FreeOSMemory) 39 _F_println = jit.Func(println_wrapper) 40 _F_print = jit.Func(print) 41 ) 42 43 func println_wrapper(i int, op1 int, op2 int){ 44 println(i, " Intrs ", op1, _OpNames[op1], "next: ", op2, _OpNames[op2]) 45 } 46 47 func print(i int){ 48 println(i) 49 } 50 51 func (self *_Assembler) force_gc() { 52 self.call_go(_F_gc) 53 self.call_go(_F_force_gc) 54 } 55 56 func (self *_Assembler) debug_instr(i int, v *_Instr) { 57 if debugSyncGC { 58 if (i+1 == len(self.p)) { 59 self.print_gc(i, v, &_Instr_End) 60 } else { 61 next := &(self.p[i+1]) 62 self.print_gc(i, v, next) 63 name := _OpNames[next.op()] 64 if strings.Contains(name, "save") { 65 return 66 } 67 } 68 self.force_gc() 69 } 70 }