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Commit d7717400 authored by chenbruce's avatar chenbruce
Browse files

Add more comments for resolv apex. 

Describe the link of resolv apex detailedly.

Bug: 119527674
Test: make; flash; lsof -p $(pidof netd)
Change-Id: I0f6038eb9950c6b862a257d0a6f35f19cb83a328
parent aa87fd5f

rootdir/etc/ld.config.legacy.txt

+9 −0
Original line number Diff line number Diff line
@@ -38,6 +38,12 @@ namespace.default.asan.search.paths += /odm/${LIB} 
additional.namespaces = runtime,conscrypt,media,resolv



# Keep in sync with ld.config.txt in the com.android.runtime APEX.

# If a shared library or an executable requests a shared library that

# cannot be loaded into the default namespace, the dynamic linker tries

# to load the shared library from the runtime namespace.And then, if the

# shared library cannot be loaded from the runtime namespace either, the

# dynamic linker tries to load the shared library from the resolv namespace.

# Finally, if all attempts fail, the dynamic linker returns an error.

namespace.default.links = runtime,resolv

namespace.default.asan.links = runtime,resolv

# Visible because some libraries are dlopen'ed, e.g. libopenjdk is dlopen'ed by
@@ -49,6 +55,9 @@ namespace.default.link.runtime.shared_libs += libnativebridge.so 
namespace.default.link.runtime.shared_libs += libnativehelper.so

namespace.default.link.runtime.shared_libs += libnativeloader.so



# When libnetd_resolv.so can't be found in the default namespace, search for it

# in the resolv namespace. Don't allow any other libraries from the resolv namespace

# to be loaded in the default namespace.

namespace.default.link.resolv.shared_libs = libnetd_resolv.so



###############################################################################

rootdir/etc/ld.config.txt

+9 −0
Original line number Diff line number Diff line
@@ -106,6 +106,12 @@ namespace.default.asan.permitted.paths += /%PRODUCT_SERVICES%/priv-app 
namespace.default.asan.permitted.paths += /mnt/expand



# Keep in sync with ld.config.txt in the com.android.runtime APEX.

# If a shared library or an executable requests a shared library that

# cannot be loaded into the default namespace, the dynamic linker tries

# to load the shared library from the runtime namespace.And then, if the

# shared library cannot be loaded from the runtime namespace either, the

# dynamic linker tries to load the shared library from the resolv namespace.

# Finally, if all attempts fail, the dynamic linker returns an error.

namespace.default.links = runtime,resolv

# Visible because some libraries are dlopen'ed, e.g. libopenjdk is dlopen'ed by

# libart.
@@ -116,6 +122,9 @@ namespace.default.link.runtime.shared_libs += libnativebridge.so 
namespace.default.link.runtime.shared_libs += libnativehelper.so

namespace.default.link.runtime.shared_libs += libnativeloader.so



# When libnetd_resolv.so can't be found in the default namespace, search for it

# in the resolv namespace. Don't allow any other libraries from the resolv namespace

# to be loaded in the default namespace.

namespace.default.link.resolv.shared_libs = libnetd_resolv.so



###############################################################################

rootdir/etc/ld.config.vndk_lite.txt

+9 −0
Original line number Diff line number Diff line
@@ -57,6 +57,12 @@ namespace.default.asan.search.paths += /%PRODUCT_SERVICES%/${LIB} 


# Keep in sync with the platform namespace in the com.android.runtime APEX

# ld.config.txt.

# If a shared library or an executable requests a shared library that

# cannot be loaded into the default namespace, the dynamic linker tries

# to load the shared library from the runtime namespace.And then, if the

# shared library cannot be loaded from the runtime namespace either, the

# dynamic linker tries to load the shared library from the resolv namespace.

# Finally, if all attempts fail, the dynamic linker returns an error.

namespace.default.links = runtime,resolv

# Visible because some libraries are dlopen'ed, e.g. libopenjdk is dlopen'ed by

# libart.
@@ -66,6 +72,9 @@ namespace.default.link.runtime.shared_libs += libdexfile_external.so 
namespace.default.link.runtime.shared_libs += libnativehelper.so

namespace.default.link.runtime.shared_libs += libnativeloader.so



# When libnetd_resolv.so can't be found in the default namespace, search for it

# in the resolv namespace. Don't allow any other libraries from the resolv namespace

# to be loaded in the default namespace.

namespace.default.link.resolv.shared_libs = libnetd_resolv.so



###############################################################################