podman
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1//go:build go1.17 && !go1.222// +build go1.17,!go1.223/*5* Copyright 2021 ByteDance Inc.6*7* Licensed under the Apache License, Version 2.0 (the "License");8* you may not use this file except in compliance with the License.9* You may obtain a copy of the License at10*11* http://www.apache.org/licenses/LICENSE-2.012*13* Unless required by applicable law or agreed to in writing, software14* distributed under the License is distributed on an "AS IS" BASIS,15* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.16* See the License for the specific language governing permissions and17* limitations under the License.18*/19)36/** Register Allocations38*39* State Registers:40*41* %r13 : stack base42* %r10 : input pointer43* %r12 : input length44* %r11 : input cursor45* %r15 : value pointer46*47* Error Registers:48*49* %rax : error type register50* %rbx : error pointer register51*/52/** Function Prototype & Stack Map54*55* func (s string, ic int, vp unsafe.Pointer, sb *_Stack, fv uint64, sv string) (rc int, err error)56*57* s.buf : (FP)58* s.len : 8(FP)59* ic : 16(FP)60* vp : 24(FP)61* sb : 32(FP)62* fv : 40(FP)63* sv : 56(FP)64* err.vt : 72(FP)65* err.vp : 80(FP)66*/67)74)80)86)90)94)109)119)124)139)147)153)165)172)177)186)194)200)208p _Program212name string213}214}218/** Assembler Interface **/220}224}230}248/** Assembler Stages **/250}319}323}331}339}358}383/** Function Calling Helpers **/385)390}400}410}415}421}427}433}443}452/** Assembler Error Handlers **/454)463)473)478)484}490}505}513}524}531}541}587}593}601}612}634/** Memory Management Routines **/637)642}650}658}665}675/** Value Parsing Routines **/677)684}712}723}730}736}742}748// Pointer: DI, Size: SI, Return: R9750func (self *_Assembler) copy_string() {751self.Link("_copy_string")752self.Emit("MOVQ", _DI, _VAR_bs_p)753self.Emit("MOVQ", _SI, _VAR_bs_n)754self.Emit("MOVQ", _R9, _VAR_bs_LR)755self.malloc_AX(_SI, _ARG_sv_p)756self.Emit("MOVQ", _VAR_bs_p, _BX)757self.Emit("MOVQ", _VAR_bs_n, _CX)758self.call_go(_F_memmove)759self.Emit("MOVQ", _ARG_sv_p, _DI)760self.Emit("MOVQ", _VAR_bs_n, _SI)761self.Emit("MOVQ", _VAR_bs_LR, _R9)762self.Rjmp("JMP", _R9)763}764// Pointer: DI, Size: SI, Return: R9766func (self *_Assembler) escape_string() {767self.Link("_escape_string")768self.Emit("MOVQ" , _DI, _VAR_bs_p)769self.Emit("MOVQ" , _SI, _VAR_bs_n)770self.Emit("MOVQ" , _R9, _VAR_bs_LR)771self.malloc_AX(_SI, _DX) // MALLOC SI, DX772self.Emit("MOVQ" , _DX, _ARG_sv_p)773self.Emit("MOVQ" , _VAR_bs_p, _DI)774self.Emit("MOVQ" , _VAR_bs_n, _SI)775self.Emit("LEAQ" , _VAR_sr, _CX) // LEAQ sr, CX776self.Emit("XORL" , _R8, _R8) // XORL R8, R8777self.Emit("BTQ" , jit.Imm(_F_disable_urc), _ARG_fv) // BTQ ${_F_disable_urc}, fv778self.Emit("SETCC", _R8) // SETCC R8779self.Emit("SHLQ" , jit.Imm(types.B_UNICODE_REPLACE), _R8) // SHLQ ${types.B_UNICODE_REPLACE}, R8780self.call_c(_F_unquote) // CALL unquote781self.Emit("MOVQ" , _VAR_bs_n, _SI) // MOVQ ${n}, SI782self.Emit("ADDQ" , jit.Imm(1), _SI) // ADDQ $1, SI783self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX784self.Sjmp("JS" , _LB_unquote_error) // JS _unquote_error785self.Emit("MOVQ" , _AX, _SI)786self.Emit("MOVQ" , _ARG_sv_p, _DI)787self.Emit("MOVQ" , _VAR_bs_LR, _R9)788self.Rjmp("JMP", _R9)789}790}817/** Range Checking Routines **/819)824)829}834}846}856}866/** String Manipulating Routines **/868)872}877}883}907}938/** Memory Clearing Routines **/940)945}953}963/** Map Assigning Routines **/965)972)977}982}988}993}1003}1011}1016}1054/** External Unmarshaler Routines **/1056)1063}1073}1079}1108/** Dynamic Decoding Routine **/1110)1114}1118}1143/** OpCode Assembler Functions **/1145)1154)1159)1164)1170)1174)1180)1185}1189}1213}1228}1233}1261}1297}1343}1351}1359}1367}1375}1383}1391}1399}1407}1415}1423}1434}1439}1444}1451}1455}1460}1470}1482}1492}1499}1506}1518}1529}1536}1543}1555}1566}1574}1580}1593}1599}1605}1611}1615}1619}1635}1654}1700}1706}1712}1775}1779}1783}1787}1791}1795}1831}1835}1842}1850}1856}1860}1865}1874}1883}1892}1897}1901}1924}1931