ndk-gdb.py: fix gdb script on windows.

Bug: #46
Change-Id: Icd08775a6932f88a360e827aa1e09df84678b074
(cherry picked from commit aa605ad)

ndk-gdb.py

@@ -477,7 +477,13 @@ def pull_binaries(device, out_dir, app_64bit):
  device.pull("/system/bin/app_process", destination)
 
 def generate_gdb_script(args, sysroot, binary_path, app_64bit, connect_timeout=5):
- gdb_commands = "file '{}'\n".format(binary_path)
+ if sys.platform.startswith("win"):
+ # GDB expects paths to use forward slashes.
+ sysroot = sysroot.replace("\\", "/")
+ binary_path = binary_path.replace("\\", "/")
+
+ gdb_commands = "set osabi GNU/Linux\n"
+ gdb_commands += "file '{}'\n".format(binary_path)
 
  solib_search_path = [sysroot, "{}/system/bin".format(sysroot)]
  if app_64bit: