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Description
Go version
go version go1.22.0 windows/amd64
Output of go env in your module/workspace:
set GO111MODULE=on
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\zxilly\AppData\Local\go-build
set GOENV=C:\Users\zxilly\AppData\Roaming\go\env
set GOEXE=
set GOEXPERIMENT=
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=C:\Users\zxilly\go\pkg\mod
set GONOPROXY=1
set GONOSUMDB=
set GOOS=linux
set GOPATH=C:\Users\zxilly\go
set GOPRIVATE=
set GOPROXY=https://proxy.golang.org,direct
set GOROOT=C:/Program Files/Go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLCHAIN=auto
set GOTOOLDIR=C:\Program Files\Go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=go1.22.0
set GCCGO=gccgo
set GOAMD64=v1
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=0
set GOMOD=E:\Temp\gotmp\go.mod
set GOWORK=
set CGO_CFLAGS=-O2 -g
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-O2 -g
set CGO_FFLAGS=-O2 -g
set CGO_LDFLAGS=-O2 -g
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-fPIC -m64 -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=C:\Users\zxilly\AppData\Local\Temp\go-build2223077610=/tmp/go-build -gno-record-gcc-switchesWhat did you do?
In some edge cases, Sym.PackageName will provide incorrect results.
I'm sorry I couldn't provide a minimally reproducible sample. But you can find a sample at https://github.com/ZNotify/server/releases/download/test/analysis-server-linux.
I use the follow code to identify the wrong output.
package main
import (
"debug/elf"
"debug/gosym"
"fmt"
"strings"
)
func main() {
f, err := elf.Open("analysis-server-linux")
if err != nil {
panic(err)
}
// read pclntab
pclntab, err := f.Section(".gopclntab").Data()
if err != nil {
panic(err)
}
var textStart uint64
symbols, err := f.Symbols()
if err != nil {
panic(err)
}
for _, sym := range symbols {
if sym.Name == "runtime.text" {
textStart = sym.Value
break
}
}
if textStart == 0 {
panic("runtime.text not found")
}
// create gosym.Table
ltable := gosym.NewLineTable(pclntab, textStart)
table,err := gosym.NewTable(nil, ltable)
if err != nil {
panic(err)
}
for _, fn := range table.Funcs {
pkgName := fn.PackageName()
if strings.Contains(pkgName, "*") {
fmt.Printf("FnName: %s\nPackageGot:%s\n", fn.Name, fn.PackageName())
}
}
}What did you see happen?
With the script above, I get the follow output
FnName: ariga.io/atlas/sql/sqlclient.(*Tx).database/sql.grabConn
PackageGot:ariga.io/atlas/sql/sqlclient.(*Tx).database/sql
FnName: ariga.io/atlas/sql/sqlclient.(*Tx).database/sql.txCtx
PackageGot:ariga.io/atlas/sql/sqlclient.(*Tx).database/sql
FnName: github.com/ZNotify/server/app/api/common.(*Context).github.com/gin-gonic/gin.reset
PackageGot:github.com/ZNotify/server/app/api/common.(*Context).github.com/gin-gonic/gin
What did you expect to see?
The correct package for these names should be
ariga.io/atlas/sql/sqlclient
ariga.io/atlas/sql/sqlclient
github.com/ZNotify/server/app/api/common
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