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debug/elf: missing symbol type STT_GNU_IFUNC #66836

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AlonZivony opened this issue Apr 15, 2024 · 1 comment
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debug/elf: missing symbol type STT_GNU_IFUNC #66836

AlonZivony opened this issue Apr 15, 2024 · 1 comment
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsDecision Feedback is required from experts, contributors, and/or the community before a change can be made.
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Backlog

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@AlonZivony
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AlonZivony commented Apr 15, 2024 •
edited

Go version

go version go1.21.6 linux/amd64

Output of go env in your module/workspace:

GO111MODULE='on'
GOARCH='amd64'
GOBIN=''
GOCACHE='/home/alonzivony/.cache/go-build'
GOENV='/home/alonzivony/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/home/alonzivony/go/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/home/alonzivony/go'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.21.6'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/home/alonzivony/go/src/tracee/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1454173317=/tmp/go-build -gno-record-gcc-switches'

What did you do?

Just missing a single const value in exported consts.
You can find its declaration in the tools/perf/util/symbol-elf.c file in the kernel source code:

#ifndef STT_GNU_IFUNC
#define STT_GNU_IFUNC 10
#endif

I think this is the only value missing from the type consts from my check on the source code of kernel 6.3.6, but there are multiple kernels out already since then so maybe more through search is required.

What did you see happen?

Have no const

What did you expect to see?

Const exist
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Apr 15, 2024
@gopherbot
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Change https://go.dev/cl/578995 mentions this issue: debug/elf: define non-standard but well-known symbol types

@cherrymui cherrymui added the NeedsDecision Feedback is required from experts, contributors, and/or the community before a change can be made. label Apr 15, 2024
@cherrymui cherrymui added this to the Backlog milestone Apr 15, 2024
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