i#5879: Added an example analyzer

[prasun3]

Issue: #5879

[prasun3]

I am seeing linking errors when I try to use these functions. It works if I extract the linker cmd line and manually add libdynamorio.so, but I wasn't able to figure out what I needed to add in my cmake script.

undefined reference to `instr_init'
undefined reference to `decode_from_copy'

[prasun3]

Nevermind, I was missing drdecode

[prasun3]

Seeing this error. Works if I point LD_LIBRARY_PATH to the lib64/release dir

./analyzer_separate: error while loading shared libraries: libdynamorio.so: cannot open shared object file: No such file or directory

[prasun3]

Windows build is failing due to symbols being defined in both libucrtd.lib and dynamorio.dll

2023-03-16T09:12:36.5993415Z 13: Run Build Command(s):C:/projects/install/ninja/ninja.exe && [1/2] Building CXX object CMakeFiles\analyzer_separate.dir\analyzer_separate.cpp.obj
2023-03-16T09:12:36.5997515Z 13: cl : Command line warning D9025 : overriding '/MDd' with '/MTd'
2023-03-16T09:12:36.6002084Z 13: [2/2] Linking CXX executable analyzer_separate.exe
2023-03-16T09:12:36.6048136Z 13: FAILED: analyzer_separate.exe 
2023-03-16T09:12:36.6391981Z 13: cmd.exe /C "cd . && "C:\Program Files\CMake\bin\cmake.exe" -E vs_link_exe --intdir=CMakeFiles\analyzer_separate.dir --rc=C:\PROGRA~2\WI3CF2~1\10\bin\100226~1.0\x86\rc.exe --mt=C:\PROGRA~2\WI3CF2~1\10\bin\100226~1.0\x86\mt.exe --manifests  -- C:\PROGRA~2\MICROS~2\2019\ENTERP~1\VC\Tools\MSVC\1429~1.301\bin\Hostx86\x86\link.exe /nologo CMakeFiles\analyzer_separate.dir\analyzer_separate.cpp.obj  /out:analyzer_separate.exe /implib:analyzer_separate.lib /pdb:analyzer_separate.pdb /version:0.0 /machine:X86 /debug /INCREMENTAL /subsystem:console  D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drdecode.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\ext\lib32\debug\drutil.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\clients\lib32\debug\drmemtrace_analyzer.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\clients\lib32\debug\drmemtrace_histogram.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drfrontendlib.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drlibc.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\ext\lib32\debug\drmgr.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\ext\lib32\debug\drcontainers.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\debug\dynamorio.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\clients\lib32\debug\directory_iterator.lib  D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drfrontendlib.lib  kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ."
2023-03-16T09:12:36.6597649Z 13: LINK Pass 1: command "C:\PROGRA~2\MICROS~2\2019\ENTERP~1\VC\Tools\MSVC\1429~1.301\bin\Hostx86\x86\link.exe /nologo CMakeFiles\analyzer_separate.dir\analyzer_separate.cpp.obj /out:analyzer_separate.exe /implib:analyzer_separate.lib /pdb:analyzer_separate.pdb /version:0.0 /machine:X86 /debug /INCREMENTAL /subsystem:console D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drdecode.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\ext\lib32\debug\drutil.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\clients\lib32\debug\drmemtrace_analyzer.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\clients\lib32\debug\drmemtrace_histogram.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drfrontendlib.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drlibc.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\ext\lib32\debug\drmgr.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\ext\lib32\debug\drcontainers.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\debug\dynamorio.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\clients\lib32\debug\directory_iterator.lib D:\a\dynamorio\dynamorio\build_debug-internal-32\lib32\drfrontendlib.lib kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib /MANIFEST /MANIFESTFILE:CMakeFiles\analyzer_separate.dir/intermediate.manifest CMakeFiles\analyzer_separate.dir/manifest.res" failed (exit code 1169) with the following output:
2023-03-16T09:12:36.6620222Z 13: libucrtd.lib(strnlen.obj) : error LNK2005: _wcslen already defined in dynamorio.lib(dynamorio.dll)
2023-03-16T09:12:36.6754743Z 13: libucrtd.lib(strtox.obj) : error LNK2005: _strtol already defined in dynamorio.lib(dynamorio.dll)
2023-03-16T09:12:36.6822657Z 13: libucrtd.lib(strnicmp.obj) : error LNK2005: __strnicmp already defined in dynamorio.lib(dynamorio.dll)
2023-03-16T09:12:36.6825184Z 13:    Creating library analyzer_separate.lib and object analyzer_separate.exp
2023-03-16T09:12:36.6868706Z 13: analyzer_separate.exe : fatal error LNK1169: one or more multiply defined symbols found
2023-03-16T09:12:36.6902550Z 13: ninja: build stopped: subcommand failed.

[derekbruening]

Windows build is failing due to symbols being defined in both libucrtd.lib and dynamorio.dll

I remember various problems like this going away with the right ordering of libraries on the link line: probably there are mentions of ordering in the cmake code like:

  # We hit dup symbol errors on Windows so we need libc earlier before DR:
  _DR_get_static_libc_list(static_libc)

I thought that static libc list included libucrt? And adds the d for debug build?

[prasun3]

Seeing this error. Works if I point LD_LIBRARY_PATH to the lib64/release dir

./analyzer_separate: error while loading shared libraries: libdynamorio.so: cannot open shared object file: No such file or directory

Any idea how to fix this?

[prasun3]

x86-32 failure looks like #5908

[derekbruening]

Seeing this error. Works if I point LD_LIBRARY_PATH to the lib64/release dir

./analyzer_separate: error while loading shared libraries: libdynamorio.so: cannot open shared object file: No such file or directory

Any idea how to fix this?

Missing the cmake call which adds the lib path to the ELF file? If legacy traces don't need support drdecode is probably all that's needed and not full libdynamorio in an analyzer.

[prasun3]

I added these statements so the cmake script is not explicitly adding libdynamorio. Should I explicitly add lib64/release to RPATH?

use_DynamoRIO_extension(analyzer_separate drdecode)
use_DynamoRIO_extension(analyzer_separate drutil)