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Add android_dlopen_ext() interface to linker.

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Add a function "android_dlopen_ext()", defined in <android/dlext.h>.
This is an extended version of dlopen() which takes a struct for passing
additional parameters for Android-specific functionality. This will be
used to support RELRO section sharing between separate processes.

Bug: 13005501
Change-Id: I9c99b2f2a02ee329dedaeba09ef3a1113b17b2d6
This commit is contained in:
Torne (Richard Coles)
2014-02-06 14:34:21 +00:00
parent 26c2bb84dd
commit 012cb4583a
5 changed files with 70 additions and 16 deletions
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3
linker/linker.h
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@@ -32,6 +32,7 @@
#include <elf.h>
#include <link.h>
#include <unistd.h>
#include <android/dlext.h>
#include "private/libc_logging.h"
@@ -192,7 +193,7 @@ extern soinfo libdl_info;
void do_android_get_LD_LIBRARY_PATH(char*, size_t);
void do_android_update_LD_LIBRARY_PATH(const char* ld_library_path);
soinfo* do_dlopen(const char* name, int flags);
soinfo* do_dlopen(const char* name, int flags, const android_dlextinfo* extinfo);
int do_dlclose(soinfo* si);
ElfW(Sym)* dlsym_linear_lookup(const char* name, soinfo** found, soinfo* start);