构建和使用包含覆盖功能的pnacl-compiler-rt

我目前在使用pnacl-compiler-rt时遇到了一些严重问题，因为我没有成功找到任何有关构建它的信息（在Mac上，这可能与NaCl的情况相关或不相关）与仪器的东西（如包括GCDAProfiling）。我最近尝试是修改make/options.mk：构建和使用包含覆盖功能的pnacl-compiler-rt

#Added this 
FUNCTIONS := GCDAProfiling

我查库，看看它是否在那里使用ar -t libcompiler_rt.a：

__.SYMDEF SORTED 
GCDAProfiling.o ------------- Here it is 
clzti2.o 
compilerrt_fmax.o 
compilerrt_fmaxf.o 
compilerrt_logb.o 
compilerrt_logbf.o 
ctzti2.o 
divdc3.o 
divdi3.o 
divmoddi4.o 
divmodsi4.o 
divsc3.o 
divsi3.o 
divti3.o 
fixdfdi.o 
fixdfsi.o 
fixdfti.o 
fixsfdi.o 
fixsfsi.o 
fixsfti.o 
fixunsdfdi.o 
fixunsdfsi.o 
fixunsdfti.o 
fixunssfdi.o 
fixunssfsi.o 
fixunssfti.o 
floatdidf.o 
floatdisf.o 
floatsidf.o 
floatsisf.o 
floattidf.o 
floattisf.o 
floatundidf.o 
floatundisf.o 
floatunsidf.o 
floatunsisf.o 
floatuntidf.o 
floatuntisf.o 
int_util.o 
moddi3.o 
modsi3.o 
modti3.o 
muldc3.o 
muloti4.o 
mulsc3.o 
multi3.o 
popcountdi2.o 
popcountsi2.o 
popcountti2.o 
powidf2.o 
powisf2.o 
udivdi3.o 
udivmoddi4.o 
udivmodsi4.o 
udivmodti4.o 
udivsi3.o 
udivti3.o 
umoddi3.o 
umodsi3.o 
umodti3.o

我已经复制这个库到pepper_49/lib/clang-newlib_x86_64/[Debug|Release]文件夹。

我还更新了pepper_49 earth例子的Makefile，以试图得到一些代码覆盖率数据，只改变以下行：

VALID_TOOLCHAINS := clang-newlib 
... 
LIBS = ppapi_simple_cpp nacl_io sdk_util ppapi_cpp ppapi pthread compiler_rt 
... 
CFLAGS = --coverage -Wall

当我试图打造，我得到以下（请请注意，我也尝试进行64位链接，但附加了错误的输出，没有电流的装置与正确的输出来取代它...）：

CXX clang-newlib/Release/earth_x86_32.o 
    LINK clang-newlib/Release/earth_unstripped_x86_32.nexe 
clang-newlib/Release/earth_x86_32.o: In function `__llvm_gcov_writeout': 
earth.cc:(.text+0xb53c): undefined reference to `llvm_gcda_start_file' 
earth.cc:(.text+0xb57c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb59c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb5dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb5fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb63c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb65c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb69c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb6bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb6fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb71c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb75c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb77c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb7bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb7dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb81c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb83c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb87c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb89c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb8dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb8fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb93c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb95c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb99c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xb9bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xb9fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xba1c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xba5c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xba7c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbabc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbadc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbb1c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbb3c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbb7c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbb9c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbbdc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbbfc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbc3c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbc5c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbc9c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbcbc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbcfc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbd1c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbd5c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbd7c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbdbc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbddc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbe1c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbe3c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbe7c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbe9c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbedc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbefc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbf3c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbf5c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbf9c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xbfbc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xbffc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc01c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc05c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc07c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc0bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc0dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc11c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc13c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc17c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc19c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc1dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc1fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc23c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc25c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc29c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc2bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc2fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc31c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc35c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc37c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc3bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc3dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc41c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc43c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc47c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc49c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc4dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc4fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc53c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc55c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc59c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc5bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc5fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc61c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc65c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc67c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc6bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc6dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc71c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc73c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc77c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc79c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc7dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc7fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc83c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc85c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc89c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc8bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc8fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc91c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc95c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc97c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xc9bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xc9dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xca1c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xca3c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xca7c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xca9c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcadc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcafc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcb3c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcb5c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcb9c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcbbc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcbfc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcc1c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcc5c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcc7c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xccbc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xccdc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcd1c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcd3c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcd7c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcd9c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcddc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcdfc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xce3c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xce5c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xce9c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcebc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcefc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcf1c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcf5c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcf7c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xcfbc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xcfdc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd01c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd03c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd07c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd09c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd0dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd0fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd13c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd15c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd19c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd1bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd1fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd21c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd25c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd27c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd2bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd2dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd31c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd33c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd37c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd39c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd3dc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd3fc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd43c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd45c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd49c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd4bc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd4fc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd51c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd55c): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd57c): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd5bc): undefined reference to `llvm_gcda_emit_function' 
earth.cc:(.text+0xd5dc): undefined reference to `llvm_gcda_emit_arcs' 
earth.cc:(.text+0xd5fc): undefined reference to `llvm_gcda_summary_info' 
clang-newlib/Release/earth_x86_32.o: In function `__llvm_gcov_init': 
earth.cc:(.text+0x1127c): undefined reference to `llvm_gcov_init' 
clang-newlib/Release/earth_x86_32.o: In function `__llvm_gcov_writeout': 
earth.cc:(.text+0xd605): undefined reference to `llvm_gcda_end_file' 
i686-nacl-clang++: error: linker command failed with exit code 1 (use -v to see invocation) 
make: *** [clang-newlib/Release/earth_unstripped_x86_32.nexe] Error 1

我做的东西（可能是几个）令人难以置信的基本这里错了，但没有任何文档我在一个头绪来：

构建pnacl编译-RT正确
让它如此链接，我可以仪器我.nexe文件，并得到一些覆盖数据。

任何帮助，非常感谢。

来源

2016-09-16 splrs

要建立正确的，你需要建立一个能与NaCl的工具链编译
要链接，一旦与氯化钠的工具链链接构建的应罚款（假设你只有跟你主持编译器即苹果内置）。尽管在你的例子中注释了你已经把库放在64位文件夹中，并且你正在尝试构建一个32位的例子。

来源

2016-09-17 19:53:45 eggbomb

谢谢。我将仔细检查使用的编译器，我可能是错误的，因为我没有触及大部分make文件。重点2：这不是一个问题，我也试图64位链接（使NACL_ARCH = x86_64），但附加了错误的输出： - /我会改正它，但不会在一个星期附近的PC。 – splrs

构建和使用包含覆盖功能的pnacl-compiler-rt

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