Hi!
I'm currently trying to retrieve the LLVM IR from the compilation process.
To do so, I followed the given instructions. From my perspective I'm not
missing anything, but I can't get llvm-goc to emit the llvm IR.
I created a transcript and added parameters to the the original call to
llvm-goc. Here is my fully modified script:
root@llvmbuilder-successful-s-1vcpu-2gb-fra1-01-s-1vcpu-2gb-fra1-01:~/compile/poc#
cat ./poc_transcript.sh
rm -r /tmp/go-build598282723
WORK=/tmp/go-build598282723
mkdir -p $WORK/b001/
cat >$WORK/b001/importcfg.link << 'EOF' # internal
packagefile
_/root/compile/poc=/root/.cache/go-build/11/11b27c148a103033dee37422bbbe76ca68d1cc97f79c6557c0909f358bdd2a5c-d
EOF
mkdir -p $WORK/b001/exe/
cp
/root/.cache/go-build/11/11b27c148a103033dee37422bbbe76ca68d1cc97f79c6557c0909f358bdd2a5c-d
$WORK/b001/_pkg1_.a
cd $WORK/b001/
ar x ./_pkg1_.a _cgo_flags
cd .
ar d $WORK/b001/_pkg1_.a _cgo_flags
#/root/llvm-install/bin/llvm-goc -v -o $WORK/b001/exe/a.out "-Wl,-(" -m64
-Wl,--whole-archive $WORK/b001/_pkg1_.a -Wl,--no-whole-archive "-Wl,-)"
-Wl,--build-id=0x6b69526757524436506941386641384b70444b5f2f66754b585f536a45384b497a713930744a77304e2f54337764784d68356d3164537756767a5f4569542f6b69526757524436506941386641384b70444b5f
-Wl,-E -static-libgo/root/llvm-install/bin/llvm-goc -o
/root/compile/poc/poc.llvm -S -emit-llvm "-Wl,-(" -m64 -Wl,--whole-archive
$WORK/b001/_pkg1_.a -Wl,--no-whole-archive "-Wl,-)"
-Wl,--build-id=0x6b69526757524436506941386641384b70444b5f2f66754b585f536a45384b497a713930744a77304e2f54337764784d68356d3164537756767a5f4569542f6b69526757524436506941386641384b70444b5f
-Wl,-E -static-libgo
#/root/llvm-install/tools/buildid -w $WORK/b001/exe/a.out # internal
#mv $WORK/b001/exe/a.out poc
With the -S flag there is no dropped output or error message at all.
Omitting -S just drops the compiled object into the file given via the -o
flag. Here is the output of running my script:
root@llvmbuilder-successful-s-1vcpu-2gb-fra1-01-s-1vcpu-2gb-fra1-01:~/compile/poc#
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:~/llvm-install/lib:~/llvm-install/lib64/
./poc_transcript.sh
gollvm version 1 (experimental)
Candidate GCC install:
version: 6.5.0
foundTriple: x86_64-linux-gnu
libPath: /usr/lib/gcc/x86_64-linux-gnu/6.5.0
parentLibPath: /usr/lib/gcc/x86_64-linux-gnu/6.5.0/../..
installPath: /usr/lib/gcc/x86_64-linux-gnu/6.5.0
ProgramPaths:
FilePaths:
/usr/lib/gcc/x86_64-linux-gnu/6.5.0
/usr/lib/gcc/x86_64-linux-gnu/6.5.0/../../../x86_64-linux-gnu
Anyone got an idea how that happens?
Happy holidays! And thanks for your attention! :)
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