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Diffstat (limited to 'libgo/go/exp/ogle/rruntime.go')
-rw-r--r-- | libgo/go/exp/ogle/rruntime.go | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/libgo/go/exp/ogle/rruntime.go b/libgo/go/exp/ogle/rruntime.go deleted file mode 100644 index 950418b5388..00000000000 --- a/libgo/go/exp/ogle/rruntime.go +++ /dev/null @@ -1,271 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package ogle - -import ( - "debug/proc" - "exp/eval" - "reflect" -) - -// This file contains remote runtime definitions. Using reflection, -// we convert all of these to interpreter types and layout their -// remote representations using the architecture rules. -// -// We could get most of these definitions from our own runtime -// package; however, some of them differ in convenient ways, some of -// them are not defined or exported by the runtime, and having our own -// definitions makes it easy to support multiple remote runtime -// versions. This may turn out to be overkill. -// -// All of these structures are prefixed with rt1 to indicate the -// runtime version and to mark them as types used only as templates -// for remote types. - -/* - * Runtime data headers - * - * See $GOROOT/src/pkg/runtime/runtime.h - */ - -type rt1String struct { - str uintptr - len int -} - -type rt1Slice struct { - array uintptr - len int - cap int -} - -type rt1Eface struct { - typ uintptr - ptr uintptr -} - -/* - * Runtime type structures - * - * See $GOROOT/src/pkg/runtime/type.h and $GOROOT/src/pkg/runtime/type.go - */ - -type rt1UncommonType struct { - name *string - pkgPath *string - //methods []method; -} - -type rt1CommonType struct { - size uintptr - hash uint32 - alg, align, fieldAlign uint8 - string *string - uncommonType *rt1UncommonType -} - -type rt1Type struct { - // While Type is technically an Eface, treating the - // discriminator as an opaque pointer and taking advantage of - // the commonType prologue on all Type's makes type parsing - // much simpler. - typ uintptr - ptr *rt1CommonType -} - -type rt1StructField struct { - name *string - pkgPath *string - typ *rt1Type - tag *string - offset uintptr -} - -type rt1StructType struct { - rt1CommonType - fields []rt1StructField -} - -type rt1PtrType struct { - rt1CommonType - elem *rt1Type -} - -type rt1SliceType struct { - rt1CommonType - elem *rt1Type -} - -type rt1ArrayType struct { - rt1CommonType - elem *rt1Type - len uintptr -} - -/* - * Runtime scheduler structures - * - * See $GOROOT/src/pkg/runtime/runtime.h - */ - -// Fields beginning with _ are only for padding - -type rt1Stktop struct { - stackguard uintptr - stackbase *rt1Stktop - gobuf rt1Gobuf - _args uint32 - _fp uintptr -} - -type rt1Gobuf struct { - sp uintptr - pc uintptr - g *rt1G - r0 uintptr -} - -type rt1G struct { - _stackguard uintptr - stackbase *rt1Stktop - _defer uintptr - sched rt1Gobuf - _stack0 uintptr - _entry uintptr - alllink *rt1G - _param uintptr - status int16 - // Incomplete -} - -var rt1GStatus = runtimeGStatus{ - Gidle: 0, - Grunnable: 1, - Grunning: 2, - Gsyscall: 3, - Gwaiting: 4, - Gmoribund: 5, - Gdead: 6, -} - -// runtimeIndexes stores the indexes of fields in the runtime -// structures. It is filled in using reflection, so the name of the -// fields must match the names of the remoteType's in runtimeValues -// exactly and the names of the index fields must be the capitalized -// version of the names of the fields in the runtime structures above. -type runtimeIndexes struct { - String struct { - Str, Len int - } - Slice struct { - Array, Len, Cap int - } - Eface struct { - Typ, Ptr int - } - - UncommonType struct { - Name, PkgPath int - } - CommonType struct { - Size, Hash, Alg, Align, FieldAlign, String, UncommonType int - } - Type struct { - Typ, Ptr int - } - StructField struct { - Name, PkgPath, Typ, Tag, Offset int - } - StructType struct { - Fields int - } - PtrType struct { - Elem int - } - SliceType struct { - Elem int - } - ArrayType struct { - Elem, Len int - } - - Stktop struct { - Stackguard, Stackbase, Gobuf int - } - Gobuf struct { - Sp, Pc, G int - } - G struct { - Stackbase, Sched, Status, Alllink int - } -} - -// Values of G status codes -type runtimeGStatus struct { - Gidle, Grunnable, Grunning, Gsyscall, Gwaiting, Gmoribund, Gdead int64 -} - -// runtimeValues stores the types and values that correspond to those -// in the remote runtime package. -type runtimeValues struct { - // Runtime data headers - String, Slice, Eface *remoteType - // Runtime type structures - Type, CommonType, UncommonType, StructField, StructType, PtrType, - ArrayType, SliceType *remoteType - // Runtime scheduler structures - Stktop, Gobuf, G *remoteType - // Addresses of *runtime.XType types. These are the - // discriminators on the runtime.Type interface. We use local - // reflection to fill these in from the remote symbol table, - // so the names must match the runtime names. - PBoolType, - PUint8Type, PUint16Type, PUint32Type, PUint64Type, PUintType, PUintptrType, - PInt8Type, PInt16Type, PInt32Type, PInt64Type, PIntType, - PFloat32Type, PFloat64Type, PFloatType, - PArrayType, PStringType, PStructType, PPtrType, PFuncType, - PInterfaceType, PSliceType, PMapType, PChanType, - PDotDotDotType, PUnsafePointerType proc.Word - // G status values - runtimeGStatus -} - -// fillRuntimeIndexes fills a runtimeIndexes structure will the field -// indexes gathered from the remoteTypes recorded in a runtimeValues -// structure. -func fillRuntimeIndexes(runtime *runtimeValues, out *runtimeIndexes) { - outv := reflect.Indirect(reflect.ValueOf(out)) - outt := outv.Type() - runtimev := reflect.Indirect(reflect.ValueOf(runtime)) - - // out contains fields corresponding to each runtime type - for i := 0; i < outt.NumField(); i++ { - // Find the interpreter type for this runtime type - name := outt.Field(i).Name - et := runtimev.FieldByName(name).Interface().(*remoteType).Type.(*eval.StructType) - - // Get the field indexes of the interpreter struct type - indexes := make(map[string]int, len(et.Elems)) - for j, f := range et.Elems { - if f.Anonymous { - continue - } - name := f.Name - if name[0] >= 'a' && name[0] <= 'z' { - name = string(name[0]+'A'-'a') + name[1:] - } - indexes[name] = j - } - - // Fill this field of out - outStructv := outv.Field(i) - outStructt := outStructv.Type() - for j := 0; j < outStructt.NumField(); j++ { - f := outStructv.Field(j) - name := outStructt.Field(j).Name - f.SetInt(int64(indexes[name])) - } - } -} |