diff options
Diffstat (limited to 'vendor/github.com/bytedance/sonic/internal/loader/funcdata_go116.go')
| -rw-r--r-- | vendor/github.com/bytedance/sonic/internal/loader/funcdata_go116.go | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/loader/funcdata_go116.go b/vendor/github.com/bytedance/sonic/internal/loader/funcdata_go116.go deleted file mode 100644 index f01747f93..000000000 --- a/vendor/github.com/bytedance/sonic/internal/loader/funcdata_go116.go +++ /dev/null @@ -1,175 +0,0 @@ -//go:build go1.16 && !go1.18 -// +build go1.16,!go1.18 - -/* - * Copyright 2021 ByteDance Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package loader - -import ( - `unsafe` -) - -type _Func struct { - entry uintptr // start pc - nameoff int32 // function name - args int32 // in/out args size - deferreturn uint32 // offset of start of a deferreturn call instruction from entry, if any. - pcsp uint32 - pcfile uint32 - pcln uint32 - npcdata uint32 - cuOffset uint32 // runtime.cutab offset of this function's CU - funcID uint8 // set for certain special runtime functions - _ [2]byte // pad - nfuncdata uint8 // must be last - argptrs uintptr - localptrs uintptr -} - -type _FuncTab struct { - entry uintptr - funcoff uintptr -} - -type _PCHeader struct { - magic uint32 // 0xFFFFFFFA - pad1, pad2 uint8 // 0,0 - minLC uint8 // min instruction size - ptrSize uint8 // size of a ptr in bytes - nfunc int // number of functions in the module - nfiles uint // number of entries in the file tab. - funcnameOffset uintptr // offset to the funcnametab variable from _PCHeader - cuOffset uintptr // offset to the cutab variable from _PCHeader - filetabOffset uintptr // offset to the filetab variable from _PCHeader - pctabOffset uintptr // offset to the pctab varible from _PCHeader - pclnOffset uintptr // offset to the pclntab variable from _PCHeader -} - -type _BitVector struct { - n int32 // # of bits - bytedata *uint8 -} - -type _PtabEntry struct { - name int32 - typ int32 -} - -type _TextSection struct { - vaddr uintptr // prelinked section vaddr - length uintptr // section length - baseaddr uintptr // relocated section address -} - -type _ModuleData struct { - pcHeader *_PCHeader - funcnametab []byte - cutab []uint32 - filetab []byte - pctab []byte - pclntable []_Func - ftab []_FuncTab - findfunctab *_FindFuncBucket - minpc, maxpc uintptr - text, etext uintptr - noptrdata, enoptrdata uintptr - data, edata uintptr - bss, ebss uintptr - noptrbss, enoptrbss uintptr - end, gcdata, gcbss uintptr - types, etypes uintptr - textsectmap []_TextSection - typelinks []int32 - itablinks []unsafe.Pointer - ptab []_PtabEntry - pluginpath string - pkghashes []struct{} - modulename string - modulehashes []struct{} - hasmain uint8 - gcdatamask, gcbssmask _BitVector - typemap map[int32]unsafe.Pointer - bad bool - next *_ModuleData -} - -type _FindFuncBucket struct { - idx uint32 - subbuckets [16]byte -} - -var modHeader = &_PCHeader { - magic : 0xfffffffa, - minLC : 1, - nfunc : 1, - ptrSize : 4 << (^uintptr(0) >> 63), -} - -var findFuncTab = &_FindFuncBucket { - idx: 1, -} - -func makePCtab(fp int) []byte { - return append([]byte{0}, encodeVariant((fp + 1) << 1)...) -} - -func registerFunction(name string, pc uintptr, textSize uintptr, fp int, args int, size uintptr, argPtrs []bool, localPtrs []bool) { - mod := new(_ModuleData) - - minpc := pc - maxpc := pc + size - - // cache arg and local stackmap - argptrs, localptrs := cacheStackmap(argPtrs, localPtrs, mod) - - /* function entry */ - lnt := []_Func {{ - entry : pc, - nameoff : 1, - args : int32(args), - pcsp : 1, - nfuncdata : 2, - argptrs : uintptr(argptrs), - localptrs : uintptr(localptrs), - }} - - /* function table */ - tab := []_FuncTab { - {entry: pc}, - {entry: pc}, - {entry: maxpc}, - } - - /* module data */ - *mod = _ModuleData { - pcHeader : modHeader, - funcnametab : append(append([]byte{0}, name...), 0), - pctab : append(makePCtab(fp), encodeVariant(int(size))...), - pclntable : lnt, - ftab : tab, - findfunctab : findFuncTab, - minpc : minpc, - maxpc : maxpc, - modulename : name, - gcdata: uintptr(unsafe.Pointer(&emptyByte)), - gcbss: uintptr(unsafe.Pointer(&emptyByte)), - } - - /* verify and register the new module */ - moduledataverify1(mod) - registerModule(mod) -}
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