Hi:
I upgraded my MBP to macOS Sierra, and gdb was broke because Apple
tightened security policy. So I compiled LLDB from trunk according to here
<http://ribrdb.github.io/lldb/> and here <http://lldb.llvm.org/build.html>.
Here are the steps:
> svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
> cd llvm/tools
> svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
> svn co http://llvm.org/svn/llvm-project/lldb/trunk lldb
> cd clang/tools
> svn co http://llvm.org/svn/llvm-project/clang-tools-extra/trunk
clang-tools-extra
> cd ../../../projects
> svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
> svn co http://llvm.org/svn/llvm-project/libcxx/trunk libcxx
> svn co http://llvm.org/svn/llvm-project/libcxxabi/trunk libcxxabi
> svn co http://llvm.org/svn/llvm-project/libunwind/trunk libunwind
> svn co http://llvm.org/svn/llvm-project/lld/trunk lld
> cd .. && mkdir build && cd build
> cmake .. -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR"/llvm-
"$1" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_DOXYGEN=Off
-DLLVM_ENABLE_SPHINX=Off
The lldb I compiled only works for simple project contains one go source
file. If the project contains many go files (go build with -gcflags "-N
-l"), the outputs of lldb were all assembly codes:
> lldb ./bin/debug/xkcd
(lldb) target create "./bin/debug/xkcd"
Current executable set to './bin/debug/xkcd' (x86_64).
(lldb) b main.main
Breakpoint 1: where = xkcd`main.main + 77 at xkcd.go:16, address =
0x000000000000208d
(lldb) r
Process 38114 launched: './bin/debug/xkcd' (x86_64)
Process 38114 stopped
* thread #6: tid = 0x0001, 0x000000000000208d libenergytrace.dylib, stop
reason = breakpoint 1.1
frame #0: 0x000000000000208d libenergytrace.dylib
-> 0x208d: callq 0x5d4a0
0x2092: movq 0x366ccf(%rip), %rax
0x2099: jmp 0x209b
0x209b: movzbl (%rax), %eax
It seems llvm supports go from v3.8 (
https://groups.google.com/forum/#!topic/golang-nuts/pzpNcarQcvo).
So, did I miss some compile options?
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