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libsigchain: intercept bsd_signal on lp32

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bsd_signal is a deprecated synonym for the signal. Nevertheless
there are apps and libraries calling this function.

libsigchain needs to intercept these calls and handle them the same
way it handles signal() call.

Bug: http://b/30562229
Test: readelf --dyn-sym app_process32 and check that bsd_signal is exported
      readelf --dyn-sym app_process64 and check that bsd_signal is not exported
Change-Id: Iec584070b42bc7fa43b114c0f884aff2db5a6858
This commit is contained in:
Dimitry Ivanov
2016-08-01 14:12:38 -07:00
parent 3e151273a3
commit 4c5281862f
1 changed files with 5 additions and 2 deletions
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7
cmds/app_process/Android.mk
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@@ -12,7 +12,8 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
app_main.cpp
LOCAL_LDFLAGS := -Wl,--version-script,art/sigchainlib/version-script.txt -Wl,--export-dynamic
LOCAL_LDFLAGS_32 := -Wl,--version-script,art/sigchainlib/version-script32.txt -Wl,--export-dynamic
LOCAL_LDFLAGS_64 := -Wl,--version-script,art/sigchainlib/version-script64.txt -Wl,--export-dynamic
LOCAL_SHARED_LIBRARIES := \
libdl \
@@ -58,7 +59,9 @@ LOCAL_SHARED_LIBRARIES := \
LOCAL_WHOLE_STATIC_LIBRARIES := libsigchain
LOCAL_LDFLAGS := -ldl -Wl,--version-script,art/sigchainlib/version-script.txt -Wl,--export-dynamic
LOCAL_LDFLAGS := -ldl
LOCAL_LDFLAGS_32 := -Wl,--version-script,art/sigchainlib/version-script32.txt -Wl,--export-dynamic
LOCAL_LDFLAGS_64 := -Wl,--version-script,art/sigchainlib/version-script64.txt -Wl,--export-dynamic
LOCAL_CPPFLAGS := -std=c++11
LOCAL_MODULE := app_process__asan