我想调试Clang插件。
但是，我找不到有关Clang插件调试的信息
如果你知道如何调试Clang插件，你能告诉我这些信息吗？
感谢。
答案 0 :(得分：6)
只是一个小小的轮廓，因为我正在尝试这个我自己。我正在使用lldb。
我目前能够停止插件中的任何给定功能，但缺少源代码。它只显示组件。
当您使用clang调用-Xclang -plugin (...)时，它将转换为子进程。调用插件时，还会通过-v选项查看子进程命令行。然后在调试器中使用此命令行。
原始命令行：
$> clang++ -Xclang -load -Xclang ${PLUGIN} -Xclang -plugin -Xclang cgd -std=c++11 -w -fsyntax-only -v
应输出：
clang version 3.1 (tags/RELEASE_31/final 163510) Target: x86_64-unknown-linux-gnu Thread model: posix "/srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/clang-3.1" -cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -disable-free -main-file-name call_in_if.cpp -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -v -resource-dir /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1 -fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward -internal-isystem /usr/local/include -internal-isystem /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Werror -w -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /srv/scratch/sigubufo/danceos_wd/clang/qtcreator-build -ferror-limit 19 -fmessage-length 205 -mstackrealign -fgnu-runtime -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-fragile-abi -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -load lib/CallGraphDumper.so -plugin cgd -x c++ ../test_cases/call_in_if.cpp clang -cc1 version 3.1 based upon LLVM 3.1svn default target x86_64-unknown-linux-gnu ignoring nonexistent directory "/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6 /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward /usr/local/include /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1/include /usr/include/x86_64-linux-gnu /usr/include End of search list.
这是你需要的部分：
"/srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/clang-3.1" -cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -disable-free -main-file-name call_in_if.cpp -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -v -resource-dir /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1 -fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward -internal-isystem /usr/local/include -internal-isystem /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Werror -w -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /srv/scratch/sigubufo/danceos_wd/clang/qtcreator-build -ferror-limit 19 -fmessage-length 205 -mstackrealign -fgnu-runtime -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-fragile-abi -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -load lib/CallGraphDumper.so -plugin cgd -x c++ ../test_cases/call_in_if.cpp
现在你用：
调用lldblldb "/srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/clang-3.1"
然后在lldb提示符下执行
(lldb) break set --name YourPlugin::FunctionToBreakAt (lldb) process launch -- -cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -disable-free -main-file-name call_in_if.cpp -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -v -resource-dir /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1 -fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward -internal-isystem /usr/local/include -internal-isystem /srv/scratch/sigubufo/clang/stable/3.1_src/build/bin/../lib/clang/3.1/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Werror -w -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /srv/scratch/sigubufo/danceos_wd/clang/qtcreator-build -ferror-limit 19 -fmessage-length 205 -mstackrealign -fgnu-runtime -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-fragile-abi -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -load lib/CallGraphDumper.so -plugin cgd -x c++ ../test_cases/call_in_if.cpp
这应该有用。