如何通过Android NDK r20使用ndk-stack?

时间:2019-06-26 18:34:25

标签: android python c++ android-ndk android-sdk-2.3

我正在尝试使用ndk附带的ndk-stack命令。

不幸的是,当我运行它时,脚本崩溃了。

我在Windows上运行的命令是...

ndk-stack.cmd -sym build / intermediates / cmake / debug / obj / armeabi-v7a -dump stack.txt

stack.txt文件包含logcat中的墓碑。

我收到的错误是....

  

回溯(最近通话最近):文件   “ C:\ Android \ android-ndk-r20 \ prebuilt \ windows-x86_64 \ bin \ ndk-stack.py”,   第134行,在       main()文件“ C:\ Android \ android-ndk-r20 \ prebuilt \ windows-x86_64 \ bin \ ndk-stack.py”,   主线83       proc = subprocess.Popen(cmd,stdin = subprocess.PIPE,stdout = subprocess.PIPE)文件   “ C:\ Android \ android-ndk-r20 \ prebuilt \ windows-x86_64 \ lib \ python2.7 / subprocess.py”,   第711行,在 init 中       errread,errwrite)文件“ C:\ Android \ android-ndk-r20 \ prebuilt \ windows-x86_64 \ lib \ python2.7 / subprocess.py”,   _execute_child中的第948行       startupinfo)WindowsError:[错误2]系统找不到指定的文件[以0.1秒完成]

1 个答案:

答案 0 :(得分:2)

cferris前几天解决了这个问题:https://android-review.googlesource.com/c/platform/ndk/+/977970

这是您需要在本地应用的补丁(或等待NDK r21):

diff --git a/ndk-stack.py b/ndk-stack.py
index 93aa0297..f1bb4cd6 100755
--- a/ndk-stack.py
+++ b/ndk-stack.py
@@ -32,6 +32,10 @@ def find_llvm_symbolizer():

     Returns: An absolute path to llvm-symbolizer(1)."""

+    llvm_symbolizer = 'llvm-symbolizer'
+    if os.name == 'nt':
+        # Windows has to include the exe or it won't be found.
+        llvm_symbolizer += '.exe'
     # ndk-stack is installed to $NDK/prebuilt/<platform>/bin, so from
     # `~/Downloads/android-ndk-r18/prebuilt/linux-x86_64/bin/ndk-stack`...
     # ...get `/usr/enh/Downloads/android-ndk-r18/`:
@@ -42,14 +46,14 @@ def find_llvm_symbolizer():
     # And from there construct the llvm-symbolizer path.
     llvm_bin = os.path.join(ndk_root, 'toolchains', 'llvm', 'prebuilt', arch,
                             'bin')
-    path = os.path.join(llvm_bin, 'llvm-symbolizer')
+    path = os.path.join(llvm_bin, llvm_symbolizer)
     if os.path.exists(path):
         return path

     # Okay, maybe we're a standalone toolchain? (https://github.com/android-ndk
/ndk/issues/931)
     # In that case, llvm-symbolizer and ndk-stack are conveniently in
     # the same directory...
-    return os.path.abspath(os.path.join(ndk_bin, 'llvm-symbolizer'))
+    return os.path.abspath(os.path.join(ndk_bin, llvm_symbolizer))


 def main():

基本上,“您需要在提到llvm-symbolizer的两个地方添加.exe”。 (我引入了此错误,因为我认为您不需要明确地说出“ blah.exe”。)