From 6197f455f695eb959a932e15dc417c1b50a2255b Mon Sep 17 00:00:00 2001 From: Christine Dodrill Date: Sun, 1 Jul 2018 20:38:18 +0000 Subject: vgo --- vendor/github.com/google/gops/.circleci/config.yml | 15 - vendor/github.com/google/gops/Gopkg.lock | 33 - vendor/github.com/google/gops/Gopkg.toml | 34 - vendor/github.com/google/gops/LICENSE | 27 - vendor/github.com/google/gops/README.md | 150 - vendor/github.com/google/gops/cmd.go | 185 - .../github.com/google/gops/examples/hello/main.go | 19 - vendor/github.com/google/gops/goprocess/gp.go | 112 - .../github.com/google/gops/internal/dwarf/dwarf.go | 600 --- .../google/gops/internal/dwarf/dwarf_defs.go | 483 -- .../github.com/google/gops/internal/goobj/read.go | 714 --- .../google/gops/internal/goobj/read_test.go | 28 - .../google/gops/internal/obj/addrtype_string.go | 27 - .../google/gops/internal/obj/arm/a.out.go | 338 -- .../google/gops/internal/obj/arm/anames.go | 108 - .../google/gops/internal/obj/arm/anames5.go | 73 - 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a/vendor/github.com/google/gops/.circleci/config.yml +++ /dev/null @@ -1,15 +0,0 @@ -# Golang CircleCI 2.0 configuration file -# -# Check https://circleci.com/docs/2.0/language-go/ for more details -version: 2 -jobs: - build: - docker: - - image: circleci/golang:1.9 - - working_directory: /go/src/github.com/google/gops - steps: - - checkout - - # specify any bash command here prefixed with `run: ` - - run: go test -v ./... diff --git a/vendor/github.com/google/gops/Gopkg.lock b/vendor/github.com/google/gops/Gopkg.lock deleted file mode 100644 index 7e2249f..0000000 --- a/vendor/github.com/google/gops/Gopkg.lock +++ /dev/null @@ -1,33 +0,0 @@ -# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'. - - -[[projects]] - branch = "master" - name = "github.com/kardianos/osext" - packages = ["."] - revision = "ae77be60afb1dcacde03767a8c37337fad28ac14" - -[[projects]] - branch = "master" - name = "github.com/keybase/go-ps" - packages = [".","darwincgo"] - revision = "668c8856d9992f97248b3177d45743d2cc1068db" - -[[projects]] - branch = "master" - name = "golang.org/x/arch" - packages = ["arm/armasm","ppc64/ppc64asm","x86/x86asm"] - revision = "f185940480d2c897e1ca8cf2f1be122e1258341b" - -[[projects]] - name = "rsc.io/goversion" - packages = ["version"] - revision = "84cd9d26d7efce780a7aaafd0944961371da741f" - version = "v1.0.0" - -[solve-meta] - analyzer-name = "dep" - analyzer-version = 1 - inputs-digest = "4b494828d559e89fc1fe70b9bfdd0f5c8ad62ee16258a3b2bcf1028c140faa32" - solver-name = "gps-cdcl" - solver-version = 1 diff --git a/vendor/github.com/google/gops/Gopkg.toml b/vendor/github.com/google/gops/Gopkg.toml deleted file mode 100644 index a770432..0000000 --- a/vendor/github.com/google/gops/Gopkg.toml +++ /dev/null @@ -1,34 +0,0 @@ - -# Gopkg.toml example -# -# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md -# for detailed Gopkg.toml documentation. -# -# required = ["github.com/user/thing/cmd/thing"] -# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"] -# -# [[constraint]] -# name = "github.com/user/project" -# version = "1.0.0" -# -# [[constraint]] -# name = "github.com/user/project2" -# branch = "dev" -# source = "github.com/myfork/project2" -# -# [[override]] -# name = "github.com/x/y" -# version = "2.4.0" - - -[[constraint]] - branch = "master" - name = "github.com/kardianos/osext" - -[[constraint]] - branch = "master" - name = "github.com/keybase/go-ps" - -[[constraint]] - branch = "master" - name = "golang.org/x/arch" diff --git a/vendor/github.com/google/gops/LICENSE b/vendor/github.com/google/gops/LICENSE deleted file mode 100644 index 55e52a0..0000000 --- a/vendor/github.com/google/gops/LICENSE +++ /dev/null @@ -1,27 +0,0 @@ -Copyright (c) 2016 The Go Authors. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the following disclaimer -in the documentation and/or other materials provided with the -distribution. - * Neither the name of Google Inc. nor the names of its -contributors may be used to endorse or promote products derived from -this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/google/gops/README.md b/vendor/github.com/google/gops/README.md deleted file mode 100644 index 236ed30..0000000 --- a/vendor/github.com/google/gops/README.md +++ /dev/null @@ -1,150 +0,0 @@ -# gops - -[![Build status](https://circleci.com/gh/google/gops/tree/master.svg?style=shield&circle-token=2637dc1e57d5407ae250480a86a2e553a7d20482)](https://circleci.com/gh/google/gops) -[![GoDoc](https://godoc.org/github.com/google/gops/agent?status.svg)](https://godoc.org/github.com/google/gops/agent) - -gops is a command to list and diagnose Go processes currently running on your system. - -``` -$ gops -983 uplink-soecks (/usr/local/bin/uplink-soecks) -52697 gops (/Users/jbd/bin/gops) -4132* foops (/Users/jbd/bin/foops) -51130 gocode (/Users/jbd/bin/gocode) -``` - -## Installation - -``` -$ go get -u github.com/google/gops -``` - -## Diagnostics - -For processes that starts the diagnostics agent, gops can report -additional information such as the current stack trace, Go version, memory -stats, etc. - -In order to start the diagnostics agent, see the [hello example](https://github.com/google/gops/blob/master/examples/hello/main.go). - -``` go -package main - -import ( - "log" - "time" - - "github.com/google/gops/agent" -) - -func main() { - if err := agent.Listen(nil); err != nil { - log.Fatal(err) - } - time.Sleep(time.Hour) -} -``` - -### Manual - -It is possible to use gops tool both in local and remote mode. - -Local mode requires that you start the target binary as the same user that runs gops binary. -To use gops in a remote mode you need to know target's agent address. - -In Local mode use process's PID as a target; in Remote mode target is a `host:port` combination. - -#### 0. Listing all processes running locally - -To print all go processes, run `gops` without arguments: - -```sh -$ gops -983 uplink-soecks (/usr/local/bin/uplink-soecks) -52697 gops (/Users/jbd/bin/gops) -4132* foops (/Users/jbd/bin/foops) -51130 gocode (/Users/jbd/bin/gocode) -``` - -Note that processes running the agent are marked with `*` next to the PID (e.g. `4132*`). - -#### $ gops stack (\|\) - -In order to print the current stack trace from a target program, run the following command: - - -```sh -$ gops stack (|) -gops stack 85709 -goroutine 8 [running]: -runtime/pprof.writeGoroutineStacks(0x13c7bc0, 0xc42000e008, 0xc420ec8520, 0xc420ec8520) - /Users/jbd/go/src/runtime/pprof/pprof.go:603 +0x79 -runtime/pprof.writeGoroutine(0x13c7bc0, 0xc42000e008, 0x2, 0xc428f1c048, 0xc420ec8608) - /Users/jbd/go/src/runtime/pprof/pprof.go:592 +0x44 -runtime/pprof.(*Profile).WriteTo(0x13eeda0, 0x13c7bc0, 0xc42000e008, 0x2, 0xc42000e008, 0x0) - /Users/jbd/go/src/runtime/pprof/pprof.go:302 +0x3b5 -github.com/google/gops/agent.handle(0x13cd560, 0xc42000e008, 0xc420186000, 0x1, 0x1, 0x0, 0x0) - /Users/jbd/src/github.com/google/gops/agent/agent.go:150 +0x1b3 -github.com/google/gops/agent.listen() - /Users/jbd/src/github.com/google/gops/agent/agent.go:113 +0x2b2 -created by github.com/google/gops/agent.Listen - /Users/jbd/src/github.com/google/gops/agent/agent.go:94 +0x480 -# ... -``` - -#### $ gops memstats (\|\) - -To print the current memory stats, run the following command: - -```sh -$ gops memstats (|) -``` - - -#### $ gops gc (\|\) - -If you want to force run garbage collection on the target program, run `gc`. -It will block until the GC is completed. - - -#### $ gops version (\|\) - -gops reports the Go version the target program is built with, if you run the following: - -```sh -$ gops version (|) -devel +6a3c6c0 Sat Jan 14 05:57:07 2017 +0000 -``` - -#### $ gops stats (\|\) - -To print the runtime statistics such as number of goroutines and `GOMAXPROCS`. - -#### Profiling - - -##### Pprof - -gops supports CPU and heap pprof profiles. After reading either heap or CPU profile, -it shells out to the `go tool pprof` and let you interatively examine the profiles. - -To enter the CPU profile, run: - -```sh -$ gops pprof-cpu (|) -``` - -To enter the heap profile, run: - -```sh -$ gops pprof-heap (|) -``` - -##### Execution trace - -gops allows you to start the runtime tracer for 5 seconds and examine the results. - -```sh -$ gops trace (|) -``` - diff --git a/vendor/github.com/google/gops/cmd.go b/vendor/github.com/google/gops/cmd.go deleted file mode 100644 index da36db3..0000000 --- a/vendor/github.com/google/gops/cmd.go +++ /dev/null @@ -1,185 +0,0 @@ -package main - -import ( - "errors" - "fmt" - "io" - "io/ioutil" - "net" - "os" - "os/exec" - "strconv" - "strings" - - "github.com/google/gops/internal" - "github.com/google/gops/signal" -) - -var cmds = map[string](func(addr net.TCPAddr) error){ - "stack": stackTrace, - "gc": gc, - "memstats": memStats, - "version": version, - "pprof-heap": pprofHeap, - "pprof-cpu": pprofCPU, - "stats": stats, - "trace": trace, -} - -func stackTrace(addr net.TCPAddr) error { - return cmdWithPrint(addr, signal.StackTrace) -} - -func gc(addr net.TCPAddr) error { - _, err := cmd(addr, signal.GC) - return err -} - -func memStats(addr net.TCPAddr) error { - return cmdWithPrint(addr, signal.MemStats) -} - -func version(addr net.TCPAddr) error { - return cmdWithPrint(addr, signal.Version) -} - -func pprofHeap(addr net.TCPAddr) error { - return pprof(addr, signal.HeapProfile) -} - -func pprofCPU(addr net.TCPAddr) error { - fmt.Println("Profiling CPU now, will take 30 secs...") - return pprof(addr, signal.CPUProfile) -} - -func trace(addr net.TCPAddr) error { - fmt.Println("Tracing now, will take 5 secs...") - out, err := cmd(addr, signal.Trace) - if err != nil { - return err - } - if len(out) == 0 { - return errors.New("nothing has traced") - } - tmpfile, err := ioutil.TempFile("", "trace") - if err != nil { - return err - } - defer os.Remove(tmpfile.Name()) - if err := ioutil.WriteFile(tmpfile.Name(), out, 0); err != nil { - return err - } - fmt.Printf("Trace dump saved to: %s\n", tmpfile.Name()) - cmd := exec.Command("go", "tool", "trace", tmpfile.Name()) - cmd.Env = os.Environ() - cmd.Stdin = os.Stdin - cmd.Stdout = os.Stdout - cmd.Stderr = os.Stderr - return cmd.Run() -} - -func pprof(addr net.TCPAddr, p byte) error { - - tmpDumpFile, err := ioutil.TempFile("", "profile") - if err != nil { - return err - } - { - out, err := cmd(addr, p) - if err != nil { - return err - } - if len(out) == 0 { - return errors.New("failed to read the profile") - } - defer os.Remove(tmpDumpFile.Name()) - if err := ioutil.WriteFile(tmpDumpFile.Name(), out, 0); err != nil { - return err - } - } - // Download running binary - tmpBinFile, err := ioutil.TempFile("", "binary") - if err != nil { - return err - } - { - out, err := cmd(addr, signal.BinaryDump) - if err != nil { - return fmt.Errorf("failed to read the binary: %v", err) - } - if len(out) == 0 { - return errors.New("failed to read the binary") - } - defer os.Remove(tmpBinFile.Name()) - if err := ioutil.WriteFile(tmpBinFile.Name(), out, 0); err != nil { - return err - } - } - fmt.Printf("Profiling dump saved to: %s\n", tmpDumpFile.Name()) - fmt.Printf("Binary file saved to: %s\n", tmpBinFile.Name()) - cmd := exec.Command("go", "tool", "pprof", tmpBinFile.Name(), tmpDumpFile.Name()) - cmd.Env = os.Environ() - cmd.Stdin = os.Stdin - cmd.Stdout = os.Stdout - cmd.Stderr = os.Stderr - return cmd.Run() -} - -func stats(addr net.TCPAddr) error { - return cmdWithPrint(addr, signal.Stats) -} - -func cmdWithPrint(addr net.TCPAddr, c byte) error { - out, err := cmd(addr, c) - if err != nil { - return err - } - fmt.Printf("%s", out) - return nil -} - -// targetToAddr tries to parse the target string, be it remote host:port -// or local process's PID. -func targetToAddr(target string) (*net.TCPAddr, error) { - if strings.Index(target, ":") != -1 { - // addr host:port passed - var err error - addr, err := net.ResolveTCPAddr("tcp", target) - if err != nil { - return nil, fmt.Errorf("couldn't parse dst address: %v", err) - } - return addr, nil - } - // try to find port by pid then, connect to local - pid, err := strconv.Atoi(target) - if err != nil { - return nil, fmt.Errorf("couldn't parse PID: %v", err) - } - port, err := internal.GetPort(pid) - addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:"+port) - return addr, nil -} - -func cmd(addr net.TCPAddr, c byte) ([]byte, error) { - conn, err := cmdLazy(addr, c) - if err != nil { - return nil, fmt.Errorf("couldn't get port by PID: %v", err) - } - - all, err := ioutil.ReadAll(conn) - if err != nil { - return nil, err - } - return all, nil -} - -func cmdLazy(addr net.TCPAddr, c byte) (io.Reader, error) { - conn, err := net.DialTCP("tcp", nil, &addr) - if err != nil { - return nil, err - } - if _, err := conn.Write([]byte{c}); err != nil { - return nil, err - } - return conn, nil -} diff --git a/vendor/github.com/google/gops/examples/hello/main.go b/vendor/github.com/google/gops/examples/hello/main.go deleted file mode 100644 index 2ee3479..0000000 --- a/vendor/github.com/google/gops/examples/hello/main.go +++ /dev/null @@ -1,19 +0,0 @@ -// Copyright 2016 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 main - -import ( - "log" - "time" - - "github.com/google/gops/agent" -) - -func main() { - if err := agent.Listen(nil); err != nil { - log.Fatal(err) - } - time.Sleep(time.Hour) -} diff --git a/vendor/github.com/google/gops/goprocess/gp.go b/vendor/github.com/google/gops/goprocess/gp.go deleted file mode 100644 index 9c211df..0000000 --- a/vendor/github.com/google/gops/goprocess/gp.go +++ /dev/null @@ -1,112 +0,0 @@ -// Copyright 2017 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 goprocess reports the Go processes running on a host. -package goprocess - -import ( - "os" - "sync" - - goversion "rsc.io/goversion/version" - - "github.com/google/gops/internal" - ps "github.com/keybase/go-ps" -) - -// P represents a Go process. -type P struct { - PID int - PPID int - Exec string - Path string - BuildVersion string - Agent bool -} - -// FindAll returns all the Go processes currently running on this host. -func FindAll() []P { - var results []P - - pss, err := ps.Processes() - if err != nil { - return results - } - - var wg sync.WaitGroup - wg.Add(len(pss)) - - for _, pr := range pss { - pr := pr - go func() { - defer wg.Done() - - path, version, agent, ok, err := isGo(pr) - if err != nil { - // TODO(jbd): Return a list of errors. - } - if !ok { - return - } - results = append(results, P{ - PID: pr.Pid(), - PPID: pr.PPid(), - Exec: pr.Executable(), - Path: path, - BuildVersion: version, - Agent: agent, - }) - }() - } - wg.Wait() - return results -} - -// Find finds info about the process identified with the given PID. -func Find(pid int) (p P, ok bool, err error) { - pr, err := ps.FindProcess(pid) - if err != nil { - return P{}, false, err - } - path, version, agent, ok, err := isGo(pr) - if !ok { - return P{}, false, nil - } - return P{ - PID: pr.Pid(), - PPID: pr.PPid(), - Exec: pr.Executable(), - Path: path, - BuildVersion: version, - Agent: agent, - }, true, nil -} - -// isGo looks up the runtime.buildVersion symbol -// in the process' binary and determines if the process -// if a Go process or not. If the process is a Go process, -// it reports PID, binary name and full path of the binary. -func isGo(pr ps.Process) (path, version string, agent, ok bool, err error) { - if pr.Pid() == 0 { - // ignore system process - return - } - path, err = pr.Path() - if err != nil { - return - } - var versionInfo goversion.Version - versionInfo, err = goversion.ReadExe(path) - if err != nil { - return - } - ok = true - version = versionInfo.Release - pidfile, err := internal.PIDFile(pr.Pid()) - if err == nil { - _, err := os.Stat(pidfile) - agent = err == nil - } - return path, version, agent, ok, nil -} diff --git a/vendor/github.com/google/gops/internal/dwarf/dwarf.go b/vendor/github.com/google/gops/internal/dwarf/dwarf.go deleted file mode 100644 index c72ef5b..0000000 --- a/vendor/github.com/google/gops/internal/dwarf/dwarf.go +++ /dev/null @@ -1,600 +0,0 @@ -// Copyright 2016 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 dwarf generates DWARF debugging information. -// DWARF generation is split between the compiler and the linker, -// this package contains the shared code. -package dwarf - -import ( - "fmt" -) - -// InfoPrefix is the prefix for all the symbols containing DWARF info entries. -const InfoPrefix = "go.info." - -// Sym represents a symbol. -type Sym interface { -} - -// A Var represents a local variable or a function parameter. -type Var struct { - Name string - Abbrev int // Either DW_ABRV_AUTO or DW_ABRV_PARAM - Offset int32 - Type Sym - Link *Var -} - -// A Context specifies how to add data to a Sym. -type Context interface { - PtrSize() int - AddInt(s Sym, size int, i int64) - AddBytes(s Sym, b []byte) - AddAddress(s Sym, t interface{}, ofs int64) - AddSectionOffset(s Sym, size int, t interface{}, ofs int64) - AddString(s Sym, v string) - SymValue(s Sym) int64 -} - -// AppendUleb128 appends v to b using DWARF's unsigned LEB128 encoding. -func AppendUleb128(b []byte, v uint64) []byte { - for { - c := uint8(v & 0x7f) - v >>= 7 - if v != 0 { - c |= 0x80 - } - b = append(b, c) - if c&0x80 == 0 { - break - } - } - return b -} - -// AppendSleb128 appends v to b using DWARF's signed LEB128 encoding. -func AppendSleb128(b []byte, v int64) []byte { - for { - c := uint8(v & 0x7f) - s := uint8(v & 0x40) - v >>= 7 - if (v != -1 || s == 0) && (v != 0 || s != 0) { - c |= 0x80 - } - b = append(b, c) - if c&0x80 == 0 { - break - } - } - return b -} - -var encbuf [20]byte - -// AppendUleb128 appends v to s using DWARF's unsigned LEB128 encoding. -func Uleb128put(ctxt Context, s Sym, v int64) { - b := AppendUleb128(encbuf[:0], uint64(v)) - ctxt.AddBytes(s, b) -} - -// AppendUleb128 appends v to s using DWARF's signed LEB128 encoding. -func Sleb128put(ctxt Context, s Sym, v int64) { - b := AppendSleb128(encbuf[:0], v) - ctxt.AddBytes(s, b) -} - -/* - * Defining Abbrevs. This is hardcoded, and there will be - * only a handful of them. The DWARF spec places no restriction on - * the ordering of attributes in the Abbrevs and DIEs, and we will - * always write them out in the order of declaration in the abbrev. - */ -type dwAttrForm struct { - attr uint16 - form uint8 -} - -// Go-specific type attributes. -const ( - DW_AT_go_kind = 0x2900 - DW_AT_go_key = 0x2901 - DW_AT_go_elem = 0x2902 - - DW_AT_internal_location = 253 // params and locals; not emitted -) - -// Index into the abbrevs table below. -// Keep in sync with ispubname() and ispubtype() below. -// ispubtype considers >= NULLTYPE public -const ( - DW_ABRV_NULL = iota - DW_ABRV_COMPUNIT - DW_ABRV_FUNCTION - DW_ABRV_VARIABLE - DW_ABRV_AUTO - DW_ABRV_PARAM - DW_ABRV_STRUCTFIELD - DW_ABRV_FUNCTYPEPARAM - DW_ABRV_DOTDOTDOT - DW_ABRV_ARRAYRANGE - DW_ABRV_NULLTYPE - DW_ABRV_BASETYPE - DW_ABRV_ARRAYTYPE - DW_ABRV_CHANTYPE - DW_ABRV_FUNCTYPE - DW_ABRV_IFACETYPE - DW_ABRV_MAPTYPE - DW_ABRV_PTRTYPE - DW_ABRV_BARE_PTRTYPE // only for void*, no DW_AT_type attr to please gdb 6. - DW_ABRV_SLICETYPE - DW_ABRV_STRINGTYPE - DW_ABRV_STRUCTTYPE - DW_ABRV_TYPEDECL - DW_NABRV -) - -type dwAbbrev struct { - tag uint8 - children uint8 - attr []dwAttrForm -} - -var abbrevs = [DW_NABRV]dwAbbrev{ - /* The mandatory DW_ABRV_NULL entry. */ - {0, 0, []dwAttrForm{}}, - - /* COMPUNIT */ - { - DW_TAG_compile_unit, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_language, DW_FORM_data1}, - {DW_AT_low_pc, DW_FORM_addr}, - {DW_AT_high_pc, DW_FORM_addr}, - {DW_AT_stmt_list, DW_FORM_data4}, - {DW_AT_comp_dir, DW_FORM_string}, - }, - }, - - /* FUNCTION */ - { - DW_TAG_subprogram, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_low_pc, DW_FORM_addr}, - {DW_AT_high_pc, DW_FORM_addr}, - {DW_AT_external, DW_FORM_flag}, - }, - }, - - /* VARIABLE */ - { - DW_TAG_variable, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_location, DW_FORM_block1}, - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_external, DW_FORM_flag}, - }, - }, - - /* AUTO */ - { - DW_TAG_variable, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_location, DW_FORM_block1}, - {DW_AT_type, DW_FORM_ref_addr}, - }, - }, - - /* PARAM */ - { - DW_TAG_formal_parameter, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_location, DW_FORM_block1}, - {DW_AT_type, DW_FORM_ref_addr}, - }, - }, - - /* STRUCTFIELD */ - { - DW_TAG_member, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_data_member_location, DW_FORM_block1}, - {DW_AT_type, DW_FORM_ref_addr}, - }, - }, - - /* FUNCTYPEPARAM */ - { - DW_TAG_formal_parameter, - DW_CHILDREN_no, - - // No name! - []dwAttrForm{ - {DW_AT_type, DW_FORM_ref_addr}, - }, - }, - - /* DOTDOTDOT */ - { - DW_TAG_unspecified_parameters, - DW_CHILDREN_no, - []dwAttrForm{}, - }, - - /* ARRAYRANGE */ - { - DW_TAG_subrange_type, - DW_CHILDREN_no, - - // No name! - []dwAttrForm{ - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_count, DW_FORM_udata}, - }, - }, - - // Below here are the types considered public by ispubtype - /* NULLTYPE */ - { - DW_TAG_unspecified_type, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - }, - }, - - /* BASETYPE */ - { - DW_TAG_base_type, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_encoding, DW_FORM_data1}, - {DW_AT_byte_size, DW_FORM_data1}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* ARRAYTYPE */ - // child is subrange with upper bound - { - DW_TAG_array_type, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_byte_size, DW_FORM_udata}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* CHANTYPE */ - { - DW_TAG_typedef, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_go_kind, DW_FORM_data1}, - {DW_AT_go_elem, DW_FORM_ref_addr}, - }, - }, - - /* FUNCTYPE */ - { - DW_TAG_subroutine_type, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - // {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* IFACETYPE */ - { - DW_TAG_typedef, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* MAPTYPE */ - { - DW_TAG_typedef, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_go_kind, DW_FORM_data1}, - {DW_AT_go_key, DW_FORM_ref_addr}, - {DW_AT_go_elem, DW_FORM_ref_addr}, - }, - }, - - /* PTRTYPE */ - { - DW_TAG_pointer_type, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_type, DW_FORM_ref_addr}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* BARE_PTRTYPE */ - { - DW_TAG_pointer_type, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - }, - }, - - /* SLICETYPE */ - { - DW_TAG_structure_type, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_byte_size, DW_FORM_udata}, - {DW_AT_go_kind, DW_FORM_data1}, - {DW_AT_go_elem, DW_FORM_ref_addr}, - }, - }, - - /* STRINGTYPE */ - { - DW_TAG_structure_type, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_byte_size, DW_FORM_udata}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* STRUCTTYPE */ - { - DW_TAG_structure_type, - DW_CHILDREN_yes, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_byte_size, DW_FORM_udata}, - {DW_AT_go_kind, DW_FORM_data1}, - }, - }, - - /* TYPEDECL */ - { - DW_TAG_typedef, - DW_CHILDREN_no, - []dwAttrForm{ - {DW_AT_name, DW_FORM_string}, - {DW_AT_type, DW_FORM_ref_addr}, - }, - }, -} - -// GetAbbrev returns the contents of the .debug_abbrev section. -func GetAbbrev() []byte { - var buf []byte - for i := 1; i < DW_NABRV; i++ { - // See section 7.5.3 - buf = AppendUleb128(buf, uint64(i)) - - buf = AppendUleb128(buf, uint64(abbrevs[i].tag)) - buf = append(buf, byte(abbrevs[i].children)) - for _, f := range abbrevs[i].attr { - buf = AppendUleb128(buf, uint64(f.attr)) - buf = AppendUleb128(buf, uint64(f.form)) - } - buf = append(buf, 0, 0) - } - return append(buf, 0) -} - -/* - * Debugging Information Entries and their attributes. - */ - -// DWAttr represents an attribute of a DWDie. -// -// For DW_CLS_string and _block, value should contain the length, and -// data the data, for _reference, value is 0 and data is a DWDie* to -// the referenced instance, for all others, value is the whole thing -// and data is null. -type DWAttr struct { - Link *DWAttr - Atr uint16 // DW_AT_ - Cls uint8 // DW_CLS_ - Value int64 - Data interface{} -} - -// DWDie represents a DWARF debug info entry. -type DWDie struct { - Abbrev int - Link *DWDie - Child *DWDie - Attr *DWAttr - Sym Sym -} - -func putattr(ctxt Context, s Sym, abbrev int, form int, cls int, value int64, data interface{}) error { - switch form { - case DW_FORM_addr: // address - ctxt.AddAddress(s, data, value) - - case DW_FORM_block1: // block - if cls == DW_CLS_ADDRESS { - ctxt.AddInt(s, 1, int64(1+ctxt.PtrSize())) - ctxt.AddInt(s, 1, DW_OP_addr) - ctxt.AddAddress(s, data, 0) - break - } - - value &= 0xff - ctxt.AddInt(s, 1, value) - p := data.([]byte)[:value] - ctxt.AddBytes(s, p) - - case DW_FORM_block2: // block - value &= 0xffff - - ctxt.AddInt(s, 2, value) - p := data.([]byte)[:value] - ctxt.AddBytes(s, p) - - case DW_FORM_block4: // block - value &= 0xffffffff - - ctxt.AddInt(s, 4, value) - p := data.([]byte)[:value] - ctxt.AddBytes(s, p) - - case DW_FORM_block: // block - Uleb128put(ctxt, s, value) - - p := data.([]byte)[:value] - ctxt.AddBytes(s, p) - - case DW_FORM_data1: // constant - ctxt.AddInt(s, 1, value) - - case DW_FORM_data2: // constant - ctxt.AddInt(s, 2, value) - - case DW_FORM_data4: // constant, {line,loclist,mac,rangelist}ptr - if cls == DW_CLS_PTR { // DW_AT_stmt_list - ctxt.AddSectionOffset(s, 4, data, 0) - break - } - ctxt.AddInt(s, 4, value) - - case DW_FORM_data8: // constant, {line,loclist,mac,rangelist}ptr - ctxt.AddInt(s, 8, value) - - case DW_FORM_sdata: // constant - Sleb128put(ctxt, s, value) - - case DW_FORM_udata: // constant - Uleb128put(ctxt, s, value) - - case DW_FORM_string: // string - str := data.(string) - ctxt.AddString(s, str) - // TODO(ribrdb): verify padded strings are never used and remove this - for i := int64(len(str)); i < value; i++ { - ctxt.AddInt(s, 1, 0) - } - - case DW_FORM_flag: // flag - if value != 0 { - ctxt.AddInt(s, 1, 1) - } else { - ctxt.AddInt(s, 1, 0) - } - - // In DWARF 2 (which is what we claim to generate), - // the ref_addr is the same size as a normal address. - // In DWARF 3 it is always 32 bits, unless emitting a large - // (> 4 GB of debug info aka "64-bit") unit, which we don't implement. - case DW_FORM_ref_addr: // reference to a DIE in the .info section - if data == nil { - return fmt.Errorf("dwarf: null reference in %d", abbrev) - } else { - ctxt.AddSectionOffset(s, ctxt.PtrSize(), data, 0) - } - - case DW_FORM_ref1, // reference within the compilation unit - DW_FORM_ref2, // reference - DW_FORM_ref4, // reference - DW_FORM_ref8, // reference - DW_FORM_ref_udata, // reference - - DW_FORM_strp, // string - DW_FORM_indirect: // (see Section 7.5.3) - fallthrough - default: - return fmt.Errorf("dwarf: unsupported attribute form %d / class %d", form, cls) - } - return nil -} - -// PutAttrs writes the attributes for a DIE to symbol 's'. -// -// Note that we can (and do) add arbitrary attributes to a DIE, but -// only the ones actually listed in the Abbrev will be written out. -func PutAttrs(ctxt Context, s Sym, abbrev int, attr *DWAttr) { -Outer: - for _, f := range abbrevs[abbrev].attr { - for ap := attr; ap != nil; ap = ap.Link { - if ap.Atr == f.attr { - putattr(ctxt, s, abbrev, int(f.form), int(ap.Cls), ap.Value, ap.Data) - continue Outer - } - } - - putattr(ctxt, s, abbrev, int(f.form), 0, 0, nil) - } -} - -// HasChildren returns true if 'die' uses an abbrev that supports children. -func HasChildren(die *DWDie) bool { - return abbrevs[die.Abbrev].children != 0 -} - -// PutFunc writes a DIE for a function to s. -// It also writes child DIEs for each variable in vars. -func PutFunc(ctxt Context, s Sym, name string, external bool, startPC Sym, size int64, vars *Var) { - Uleb128put(ctxt, s, DW_ABRV_FUNCTION) - putattr(ctxt, s, DW_ABRV_FUNCTION, DW_FORM_string, DW_CLS_STRING, int64(len(name)), name) - putattr(ctxt, s, DW_ABRV_FUNCTION, DW_FORM_addr, DW_CLS_ADDRESS, 0, startPC) - putattr(ctxt, s, DW_ABRV_FUNCTION, DW_FORM_addr, DW_CLS_ADDRESS, size+ctxt.SymValue(startPC), startPC) - var ev int64 - if external { - ev = 1 - } - putattr(ctxt, s, DW_ABRV_FUNCTION, DW_FORM_flag, DW_CLS_FLAG, ev, 0) - names := make(map[string]bool) - for v := vars; v != nil; v = v.Link { - var n string - if names[v.Name] { - n = fmt.Sprintf("%s#%d", v.Name, len(names)) - } else { - n = v.Name - } - names[n] = true - - Uleb128put(ctxt, s, int64(v.Abbrev)) - putattr(ctxt, s, v.Abbrev, DW_FORM_string, DW_CLS_STRING, int64(len(n)), n) - loc := append(encbuf[:0], DW_OP_call_frame_cfa) - if v.Offset != 0 { - loc = append(loc, DW_OP_consts) - loc = AppendSleb128(loc, int64(v.Offset)) - loc = append(loc, DW_OP_plus) - } - putattr(ctxt, s, v.Abbrev, DW_FORM_block1, DW_CLS_BLOCK, int64(len(loc)), loc) - putattr(ctxt, s, v.Abbrev, DW_FORM_ref_addr, DW_CLS_REFERENCE, 0, v.Type) - - } - Uleb128put(ctxt, s, 0) -} diff --git a/vendor/github.com/google/gops/internal/dwarf/dwarf_defs.go b/vendor/github.com/google/gops/internal/dwarf/dwarf_defs.go deleted file mode 100644 index d1870b5..0000000 --- a/vendor/github.com/google/gops/internal/dwarf/dwarf_defs.go +++ /dev/null @@ -1,483 +0,0 @@ -// Copyright 2010 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 dwarf - -// Cut, pasted, tr-and-awk'ed from tables in -// http://dwarfstd.org/doc/Dwarf3.pdf - -// Table 18 -const ( - DW_TAG_array_type = 0x01 - DW_TAG_class_type = 0x02 - DW_TAG_entry_point = 0x03 - DW_TAG_enumeration_type = 0x04 - DW_TAG_formal_parameter = 0x05 - DW_TAG_imported_declaration = 0x08 - DW_TAG_label = 0x0a - DW_TAG_lexical_block = 0x0b - DW_TAG_member = 0x0d - DW_TAG_pointer_type = 0x0f - DW_TAG_reference_type = 0x10 - DW_TAG_compile_unit = 0x11 - DW_TAG_string_type = 0x12 - DW_TAG_structure_type = 0x13 - DW_TAG_subroutine_type = 0x15 - DW_TAG_typedef = 0x16 - DW_TAG_union_type = 0x17 - DW_TAG_unspecified_parameters = 0x18 - DW_TAG_variant = 0x19 - DW_TAG_common_block = 0x1a - DW_TAG_common_inclusion = 0x1b - DW_TAG_inheritance = 0x1c - DW_TAG_inlined_subroutine = 0x1d - DW_TAG_module = 0x1e - DW_TAG_ptr_to_member_type = 0x1f - DW_TAG_set_type = 0x20 - DW_TAG_subrange_type = 0x21 - DW_TAG_with_stmt = 0x22 - DW_TAG_access_declaration = 0x23 - DW_TAG_base_type = 0x24 - DW_TAG_catch_block = 0x25 - DW_TAG_const_type = 0x26 - DW_TAG_constant = 0x27 - DW_TAG_enumerator = 0x28 - DW_TAG_file_type = 0x29 - DW_TAG_friend = 0x2a - DW_TAG_namelist = 0x2b - DW_TAG_namelist_item = 0x2c - DW_TAG_packed_type = 0x2d - DW_TAG_subprogram = 0x2e - DW_TAG_template_type_parameter = 0x2f - DW_TAG_template_value_parameter = 0x30 - DW_TAG_thrown_type = 0x31 - DW_TAG_try_block = 0x32 - DW_TAG_variant_part = 0x33 - DW_TAG_variable = 0x34 - DW_TAG_volatile_type = 0x35 - // Dwarf3 - DW_TAG_dwarf_procedure = 0x36 - DW_TAG_restrict_type = 0x37 - DW_TAG_interface_type = 0x38 - DW_TAG_namespace = 0x39 - DW_TAG_imported_module = 0x3a - DW_TAG_unspecified_type = 0x3b - DW_TAG_partial_unit = 0x3c - DW_TAG_imported_unit = 0x3d - DW_TAG_condition = 0x3f - DW_TAG_shared_type = 0x40 - // Dwarf4 - DW_TAG_type_unit = 0x41 - DW_TAG_rvalue_reference_type = 0x42 - DW_TAG_template_alias = 0x43 - - // User defined - DW_TAG_lo_user = 0x4080 - DW_TAG_hi_user = 0xffff -) - -// Table 19 -const ( - DW_CHILDREN_no = 0x00 - DW_CHILDREN_yes = 0x01 -) - -// Not from the spec, but logically belongs here -const ( - DW_CLS_ADDRESS = 0x01 + iota - DW_CLS_BLOCK - DW_CLS_CONSTANT - DW_CLS_FLAG - DW_CLS_PTR // lineptr, loclistptr, macptr, rangelistptr - DW_CLS_REFERENCE - DW_CLS_ADDRLOC - DW_CLS_STRING -) - -// Table 20 -const ( - DW_AT_sibling = 0x01 // reference - DW_AT_location = 0x02 // block, loclistptr - DW_AT_name = 0x03 // string - DW_AT_ordering = 0x09 // constant - DW_AT_byte_size = 0x0b // block, constant, reference - DW_AT_bit_offset = 0x0c // block, constant, reference - DW_AT_bit_size = 0x0d // block, constant, reference - DW_AT_stmt_list = 0x10 // lineptr - DW_AT_low_pc = 0x11 // address - DW_AT_high_pc = 0x12 // address - DW_AT_language = 0x13 // constant - DW_AT_discr = 0x15 // reference - DW_AT_discr_value = 0x16 // constant - DW_AT_visibility = 0x17 // constant - DW_AT_import = 0x18 // reference - DW_AT_string_length = 0x19 // block, loclistptr - DW_AT_common_reference = 0x1a // reference - DW_AT_comp_dir = 0x1b // string - DW_AT_const_value = 0x1c // block, constant, string - DW_AT_containing_type = 0x1d // reference - DW_AT_default_value = 0x1e // reference - DW_AT_inline = 0x20 // constant - DW_AT_is_optional = 0x21 // flag - DW_AT_lower_bound = 0x22 // block, constant, reference - DW_AT_producer = 0x25 // string - DW_AT_prototyped = 0x27 // flag - DW_AT_return_addr = 0x2a // block, loclistptr - DW_AT_start_scope = 0x2c // constant - DW_AT_bit_stride = 0x2e // constant - DW_AT_upper_bound = 0x2f // block, constant, reference - DW_AT_abstract_origin = 0x31 // reference - DW_AT_accessibility = 0x32 // constant - DW_AT_address_class = 0x33 // constant - DW_AT_artificial = 0x34 // flag - DW_AT_base_types = 0x35 // reference - DW_AT_calling_convention = 0x36 // constant - DW_AT_count = 0x37 // block, constant, reference - DW_AT_data_member_location = 0x38 // block, constant, loclistptr - DW_AT_decl_column = 0x39 // constant - DW_AT_decl_file = 0x3a // constant - DW_AT_decl_line = 0x3b // constant - DW_AT_declaration = 0x3c // flag - DW_AT_discr_list = 0x3d // block - DW_AT_encoding = 0x3e // constant - DW_AT_external = 0x3f // flag - DW_AT_frame_base = 0x40 // block, loclistptr - DW_AT_friend = 0x41 // reference - DW_AT_identifier_case = 0x42 // constant - DW_AT_macro_info = 0x43 // macptr - DW_AT_namelist_item = 0x44 // block - DW_AT_priority = 0x45 // reference - DW_AT_segment = 0x46 // block, loclistptr - DW_AT_specification = 0x47 // reference - DW_AT_static_link = 0x48 // block, loclistptr - DW_AT_type = 0x49 // reference - DW_AT_use_location = 0x4a // block, loclistptr - DW_AT_variable_parameter = 0x4b // flag - DW_AT_virtuality = 0x4c // constant - DW_AT_vtable_elem_location = 0x4d // block, loclistptr - // Dwarf3 - DW_AT_allocated = 0x4e // block, constant, reference - DW_AT_associated = 0x4f // block, constant, reference - DW_AT_data_location = 0x50 // block - DW_AT_byte_stride = 0x51 // block, constant, reference - DW_AT_entry_pc = 0x52 // address - DW_AT_use_UTF8 = 0x53 // flag - DW_AT_extension = 0x54 // reference - DW_AT_ranges = 0x55 // rangelistptr - DW_AT_trampoline = 0x56 // address, flag, reference, string - DW_AT_call_column = 0x57 // constant - DW_AT_call_file = 0x58 // constant - DW_AT_call_line = 0x59 // constant - DW_AT_description = 0x5a // string - DW_AT_binary_scale = 0x5b // constant - DW_AT_decimal_scale = 0x5c // constant - DW_AT_small = 0x5d // reference - DW_AT_decimal_sign = 0x5e // constant - DW_AT_digit_count = 0x5f // constant - DW_AT_picture_string = 0x60 // string - DW_AT_mutable = 0x61 // flag - DW_AT_threads_scaled = 0x62 // flag - DW_AT_explicit = 0x63 // flag - DW_AT_object_pointer = 0x64 // reference - DW_AT_endianity = 0x65 // constant - DW_AT_elemental = 0x66 // flag - DW_AT_pure = 0x67 // flag - DW_AT_recursive = 0x68 // flag - - DW_AT_lo_user = 0x2000 // --- - DW_AT_hi_user = 0x3fff // --- -) - -// Table 21 -const ( - DW_FORM_addr = 0x01 // address - DW_FORM_block2 = 0x03 // block - DW_FORM_block4 = 0x04 // block - DW_FORM_data2 = 0x05 // constant - DW_FORM_data4 = 0x06 // constant, lineptr, loclistptr, macptr, rangelistptr - DW_FORM_data8 = 0x07 // constant, lineptr, loclistptr, macptr, rangelistptr - DW_FORM_string = 0x08 // string - DW_FORM_block = 0x09 // block - DW_FORM_block1 = 0x0a // block - DW_FORM_data1 = 0x0b // constant - DW_FORM_flag = 0x0c // flag - DW_FORM_sdata = 0x0d // constant - DW_FORM_strp = 0x0e // string - DW_FORM_udata = 0x0f // constant - DW_FORM_ref_addr = 0x10 // reference - DW_FORM_ref1 = 0x11 // reference - DW_FORM_ref2 = 0x12 // reference - DW_FORM_ref4 = 0x13 // reference - DW_FORM_ref8 = 0x14 // reference - DW_FORM_ref_udata = 0x15 // reference - DW_FORM_indirect = 0x16 // (see Section 7.5.3) -) - -// Table 24 (#operands, notes) -const ( - DW_OP_addr = 0x03 // 1 constant address (size target specific) - DW_OP_deref = 0x06 // 0 - DW_OP_const1u = 0x08 // 1 1-byte constant - DW_OP_const1s = 0x09 // 1 1-byte constant - DW_OP_const2u = 0x0a // 1 2-byte constant - DW_OP_const2s = 0x0b // 1 2-byte constant - DW_OP_const4u = 0x0c // 1 4-byte constant - DW_OP_const4s = 0x0d // 1 4-byte constant - DW_OP_const8u = 0x0e // 1 8-byte constant - DW_OP_const8s = 0x0f // 1 8-byte constant - DW_OP_constu = 0x10 // 1 ULEB128 constant - DW_OP_consts = 0x11 // 1 SLEB128 constant - DW_OP_dup = 0x12 // 0 - DW_OP_drop = 0x13 // 0 - DW_OP_over = 0x14 // 0 - DW_OP_pick = 0x15 // 1 1-byte stack index - DW_OP_swap = 0x16 // 0 - DW_OP_rot = 0x17 // 0 - DW_OP_xderef = 0x18 // 0 - DW_OP_abs = 0x19 // 0 - DW_OP_and = 0x1a // 0 - DW_OP_div = 0x1b // 0 - DW_OP_minus = 0x1c // 0 - DW_OP_mod = 0x1d // 0 - DW_OP_mul = 0x1e // 0 - DW_OP_neg = 0x1f // 0 - DW_OP_not = 0x20 // 0 - DW_OP_or = 0x21 // 0 - DW_OP_plus = 0x22 // 0 - DW_OP_plus_uconst = 0x23 // 1 ULEB128 addend - DW_OP_shl = 0x24 // 0 - DW_OP_shr = 0x25 // 0 - DW_OP_shra = 0x26 // 0 - DW_OP_xor = 0x27 // 0 - DW_OP_skip = 0x2f // 1 signed 2-byte constant - DW_OP_bra = 0x28 // 1 signed 2-byte constant - DW_OP_eq = 0x29 // 0 - DW_OP_ge = 0x2a // 0 - DW_OP_gt = 0x2b // 0 - DW_OP_le = 0x2c // 0 - DW_OP_lt = 0x2d // 0 - DW_OP_ne = 0x2e // 0 - DW_OP_lit0 = 0x30 // 0 ... - DW_OP_lit31 = 0x4f // 0 literals 0..31 = (DW_OP_lit0 + literal) - DW_OP_reg0 = 0x50 // 0 .. - DW_OP_reg31 = 0x6f // 0 reg 0..31 = (DW_OP_reg0 + regnum) - DW_OP_breg0 = 0x70 // 1 ... - DW_OP_breg31 = 0x8f // 1 SLEB128 offset base register 0..31 = (DW_OP_breg0 + regnum) - DW_OP_regx = 0x90 // 1 ULEB128 register - DW_OP_fbreg = 0x91 // 1 SLEB128 offset - DW_OP_bregx = 0x92 // 2 ULEB128 register followed by SLEB128 offset - DW_OP_piece = 0x93 // 1 ULEB128 size of piece addressed - DW_OP_deref_size = 0x94 // 1 1-byte size of data retrieved - DW_OP_xderef_size = 0x95 // 1 1-byte size of data retrieved - DW_OP_nop = 0x96 // 0 - DW_OP_push_object_address = 0x97 // 0 - DW_OP_call2 = 0x98 // 1 2-byte offset of DIE - DW_OP_call4 = 0x99 // 1 4-byte offset of DIE - DW_OP_call_ref = 0x9a // 1 4- or 8-byte offset of DIE - DW_OP_form_tls_address = 0x9b // 0 - DW_OP_call_frame_cfa = 0x9c // 0 - DW_OP_bit_piece = 0x9d // 2 - DW_OP_lo_user = 0xe0 - DW_OP_hi_user = 0xff -) - -// Table 25 -const ( - DW_ATE_address = 0x01 - DW_ATE_boolean = 0x02 - DW_ATE_complex_float = 0x03 - DW_ATE_float = 0x04 - DW_ATE_signed = 0x05 - DW_ATE_signed_char = 0x06 - DW_ATE_unsigned = 0x07 - DW_ATE_unsigned_char = 0x08 - DW_ATE_imaginary_float = 0x09 - DW_ATE_packed_decimal = 0x0a - DW_ATE_numeric_string = 0x0b - DW_ATE_edited = 0x0c - DW_ATE_signed_fixed = 0x0d - DW_ATE_unsigned_fixed = 0x0e - DW_ATE_decimal_float = 0x0f - DW_ATE_lo_user = 0x80 - DW_ATE_hi_user = 0xff -) - -// Table 26 -const ( - DW_DS_unsigned = 0x01 - DW_DS_leading_overpunch = 0x02 - DW_DS_trailing_overpunch = 0x03 - DW_DS_leading_separate = 0x04 - DW_DS_trailing_separate = 0x05 -) - -// Table 27 -const ( - DW_END_default = 0x00 - DW_END_big = 0x01 - DW_END_little = 0x02 - DW_END_lo_user = 0x40 - DW_END_hi_user = 0xff -) - -// Table 28 -const ( - DW_ACCESS_public = 0x01 - DW_ACCESS_protected = 0x02 - DW_ACCESS_private = 0x03 -) - -// Table 29 -const ( - DW_VIS_local = 0x01 - DW_VIS_exported = 0x02 - DW_VIS_qualified = 0x03 -) - -// Table 30 -const ( - DW_VIRTUALITY_none = 0x00 - DW_VIRTUALITY_virtual = 0x01 - DW_VIRTUALITY_pure_virtual = 0x02 -) - -// Table 31 -const ( - DW_LANG_C89 = 0x0001 - DW_LANG_C = 0x0002 - DW_LANG_Ada83 = 0x0003 - DW_LANG_C_plus_plus = 0x0004 - DW_LANG_Cobol74 = 0x0005 - DW_LANG_Cobol85 = 0x0006 - DW_LANG_Fortran77 = 0x0007 - DW_LANG_Fortran90 = 0x0008 - DW_LANG_Pascal83 = 0x0009 - DW_LANG_Modula2 = 0x000a - // Dwarf3 - DW_LANG_Java = 0x000b - DW_LANG_C99 = 0x000c - DW_LANG_Ada95 = 0x000d - DW_LANG_Fortran95 = 0x000e - DW_LANG_PLI = 0x000f - DW_LANG_ObjC = 0x0010 - DW_LANG_ObjC_plus_plus = 0x0011 - DW_LANG_UPC = 0x0012 - DW_LANG_D = 0x0013 - // Dwarf4 - DW_LANG_Python = 0x0014 - // Dwarf5 - DW_LANG_Go = 0x0016 - - DW_LANG_lo_user = 0x8000 - DW_LANG_hi_user = 0xffff -) - -// Table 32 -const ( - DW_ID_case_sensitive = 0x00 - DW_ID_up_case = 0x01 - DW_ID_down_case = 0x02 - DW_ID_case_insensitive = 0x03 -) - -// Table 33 -const ( - DW_CC_normal = 0x01 - DW_CC_program = 0x02 - DW_CC_nocall = 0x03 - DW_CC_lo_user = 0x40 - DW_CC_hi_user = 0xff -) - -// Table 34 -const ( - DW_INL_not_inlined = 0x00 - DW_INL_inlined = 0x01 - DW_INL_declared_not_inlined = 0x02 - DW_INL_declared_inlined = 0x03 -) - -// Table 35 -const ( - DW_ORD_row_major = 0x00 - DW_ORD_col_major = 0x01 -) - -// Table 36 -const ( - DW_DSC_label = 0x00 - DW_DSC_range = 0x01 -) - -// Table 37 -const ( - DW_LNS_copy = 0x01 - DW_LNS_advance_pc = 0x02 - DW_LNS_advance_line = 0x03 - DW_LNS_set_file = 0x04 - DW_LNS_set_column = 0x05 - DW_LNS_negate_stmt = 0x06 - DW_LNS_set_basic_block = 0x07 - DW_LNS_const_add_pc = 0x08 - DW_LNS_fixed_advance_pc = 0x09 - // Dwarf3 - DW_LNS_set_prologue_end = 0x0a - DW_LNS_set_epilogue_begin = 0x0b - DW_LNS_set_isa = 0x0c -) - -// Table 38 -const ( - DW_LNE_end_sequence = 0x01 - DW_LNE_set_address = 0x02 - DW_LNE_define_file = 0x03 - DW_LNE_lo_user = 0x80 - DW_LNE_hi_user = 0xff -) - -// Table 39 -const ( - DW_MACINFO_define = 0x01 - DW_MACINFO_undef = 0x02 - DW_MACINFO_start_file = 0x03 - DW_MACINFO_end_file = 0x04 - DW_MACINFO_vendor_ext = 0xff -) - -// Table 40. -const ( - // operand,... - DW_CFA_nop = 0x00 - DW_CFA_set_loc = 0x01 // address - DW_CFA_advance_loc1 = 0x02 // 1-byte delta - DW_CFA_advance_loc2 = 0x03 // 2-byte delta - DW_CFA_advance_loc4 = 0x04 // 4-byte delta - DW_CFA_offset_extended = 0x05 // ULEB128 register, ULEB128 offset - DW_CFA_restore_extended = 0x06 // ULEB128 register - DW_CFA_undefined = 0x07 // ULEB128 register - DW_CFA_same_value = 0x08 // ULEB128 register - DW_CFA_register = 0x09 // ULEB128 register, ULEB128 register - DW_CFA_remember_state = 0x0a - DW_CFA_restore_state = 0x0b - - DW_CFA_def_cfa = 0x0c // ULEB128 register, ULEB128 offset - DW_CFA_def_cfa_register = 0x0d // ULEB128 register - DW_CFA_def_cfa_offset = 0x0e // ULEB128 offset - DW_CFA_def_cfa_expression = 0x0f // BLOCK - DW_CFA_expression = 0x10 // ULEB128 register, BLOCK - DW_CFA_offset_extended_sf = 0x11 // ULEB128 register, SLEB128 offset - DW_CFA_def_cfa_sf = 0x12 // ULEB128 register, SLEB128 offset - DW_CFA_def_cfa_offset_sf = 0x13 // SLEB128 offset - DW_CFA_val_offset = 0x14 // ULEB128, ULEB128 - DW_CFA_val_offset_sf = 0x15 // ULEB128, SLEB128 - DW_CFA_val_expression = 0x16 // ULEB128, BLOCK - - DW_CFA_lo_user = 0x1c - DW_CFA_hi_user = 0x3f - - // Opcodes that take an addend operand. - DW_CFA_advance_loc = 0x1 << 6 // +delta - DW_CFA_offset = 0x2 << 6 // +register (ULEB128 offset) - DW_CFA_restore = 0x3 << 6 // +register -) diff --git a/vendor/github.com/google/gops/internal/goobj/read.go b/vendor/github.com/google/gops/internal/goobj/read.go deleted file mode 100644 index 8a6f13b..0000000 --- a/vendor/github.com/google/gops/internal/goobj/read.go +++ /dev/null @@ -1,714 +0,0 @@ -// Copyright 2013 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 goobj implements reading of Go object files and archives. -// -// TODO(rsc): Decide where this package should live. (golang.org/issue/6932) -// TODO(rsc): Decide the appropriate integer types for various fields. -// TODO(rsc): Write tests. (File format still up in the air a little.) -package goobj - -import ( - "bufio" - "bytes" - "errors" - "fmt" - "io" - "strconv" - "strings" - - "github.com/google/gops/internal/obj" -) - -// A SymKind describes the kind of memory represented by a symbol. -type SymKind int - -// This list is taken from include/link.h. - -// Defined SymKind values. -// TODO(rsc): Give idiomatic Go names. -// TODO(rsc): Reduce the number of symbol types in the object files. -const ( - // readonly, executable - STEXT = SymKind(obj.STEXT) - SELFRXSECT = SymKind(obj.SELFRXSECT) - - // readonly, non-executable - STYPE = SymKind(obj.STYPE) - SSTRING = SymKind(obj.SSTRING) - SGOSTRING = SymKind(obj.SGOSTRING) - SGOFUNC = SymKind(obj.SGOFUNC) - SRODATA = SymKind(obj.SRODATA) - SFUNCTAB = SymKind(obj.SFUNCTAB) - STYPELINK = SymKind(obj.STYPELINK) - SITABLINK = SymKind(obj.SITABLINK) - SSYMTAB = SymKind(obj.SSYMTAB) // TODO: move to unmapped section - SPCLNTAB = SymKind(obj.SPCLNTAB) - SELFROSECT = SymKind(obj.SELFROSECT) - - // writable, non-executable - SMACHOPLT = SymKind(obj.SMACHOPLT) - SELFSECT = SymKind(obj.SELFSECT) - SMACHO = SymKind(obj.SMACHO) // Mach-O __nl_symbol_ptr - SMACHOGOT = SymKind(obj.SMACHOGOT) - SWINDOWS = SymKind(obj.SWINDOWS) - SELFGOT = SymKind(obj.SELFGOT) - SNOPTRDATA = SymKind(obj.SNOPTRDATA) - SINITARR = SymKind(obj.SINITARR) - SDATA = SymKind(obj.SDATA) - SBSS = SymKind(obj.SBSS) - SNOPTRBSS = SymKind(obj.SNOPTRBSS) - STLSBSS = SymKind(obj.STLSBSS) - - // not mapped - SXREF = SymKind(obj.SXREF) - SMACHOSYMSTR = SymKind(obj.SMACHOSYMSTR) - SMACHOSYMTAB = SymKind(obj.SMACHOSYMTAB) - SMACHOINDIRECTPLT = SymKind(obj.SMACHOINDIRECTPLT) - SMACHOINDIRECTGOT = SymKind(obj.SMACHOINDIRECTGOT) - SFILE = SymKind(obj.SFILE) - SFILEPATH = SymKind(obj.SFILEPATH) - SCONST = SymKind(obj.SCONST) - SDYNIMPORT = SymKind(obj.SDYNIMPORT) - SHOSTOBJ = SymKind(obj.SHOSTOBJ) -) - -var symKindStrings = []string{ - SBSS: "SBSS", - SCONST: "SCONST", - SDATA: "SDATA", - SDYNIMPORT: "SDYNIMPORT", - SELFROSECT: "SELFROSECT", - SELFRXSECT: "SELFRXSECT", - SELFSECT: "SELFSECT", - SFILE: "SFILE", - SFILEPATH: "SFILEPATH", - SFUNCTAB: "SFUNCTAB", - SGOFUNC: "SGOFUNC", - SGOSTRING: "SGOSTRING", - SHOSTOBJ: "SHOSTOBJ", - SINITARR: "SINITARR", - SMACHO: "SMACHO", - SMACHOGOT: "SMACHOGOT", - SMACHOINDIRECTGOT: "SMACHOINDIRECTGOT", - SMACHOINDIRECTPLT: "SMACHOINDIRECTPLT", - SMACHOPLT: "SMACHOPLT", - SMACHOSYMSTR: "SMACHOSYMSTR", - SMACHOSYMTAB: "SMACHOSYMTAB", - SNOPTRBSS: "SNOPTRBSS", - SNOPTRDATA: "SNOPTRDATA", - SPCLNTAB: "SPCLNTAB", - SRODATA: "SRODATA", - SSTRING: "SSTRING", - SSYMTAB: "SSYMTAB", - STEXT: "STEXT", - STLSBSS: "STLSBSS", - STYPE: "STYPE", - STYPELINK: "STYPELINK", - SITABLINK: "SITABLINK", - SWINDOWS: "SWINDOWS", - SXREF: "SXREF", -} - -func (k SymKind) String() string { - if k < 0 || int(k) >= len(symKindStrings) { - return fmt.Sprintf("SymKind(%d)", k) - } - return symKindStrings[k] -} - -// A Sym is a named symbol in an object file. -type Sym struct { - SymID // symbol identifier (name and version) - Kind SymKind // kind of symbol - DupOK bool // are duplicate definitions okay? - Size int // size of corresponding data - Type SymID // symbol for Go type information - Data Data // memory image of symbol - Reloc []Reloc // relocations to apply to Data - Func *Func // additional data for functions -} - -// A SymID - the combination of Name and Version - uniquely identifies -// a symbol within a package. -type SymID struct { - // Name is the name of a symbol. - Name string - - // Version is zero for symbols with global visibility. - // Symbols with only file visibility (such as file-level static - // declarations in C) have a non-zero version distinguishing - // a symbol in one file from a symbol of the same name - // in another file - Version int -} - -func (s SymID) String() string { - if s.Version == 0 { - return s.Name - } - return fmt.Sprintf("%s<%d>", s.Name, s.Version) -} - -// A Data is a reference to data stored in an object file. -// It records the offset and size of the data, so that a client can -// read the data only if necessary. -type Data struct { - Offset int64 - Size int64 -} - -// A Reloc describes a relocation applied to a memory image to refer -// to an address within a particular symbol. -type Reloc struct { - // The bytes at [Offset, Offset+Size) within the containing Sym - // should be updated to refer to the address Add bytes after the start - // of the symbol Sym. - Offset int - Size int - Sym SymID - Add int - - // The Type records the form of address expected in the bytes - // described by the previous fields: absolute, PC-relative, and so on. - // TODO(rsc): The interpretation of Type is not exposed by this package. - Type obj.RelocType -} - -// A Var describes a variable in a function stack frame: a declared -// local variable, an input argu