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This reverts commit ea4ef52f.

Bug: http://b/21876587
Bug: http://b/21153477
Bug: http://b/21171302
Bug: https://code.google.com/p/android/issues/detail?id=160921
Change-Id: I23ddbd69294023c56c9cbabad29d26c8f736ab43

Bug: http://b/21695943
Change-Id: Iadb600b2ae619515d7038a4db9bf464ba31adb36
(cherry picked from commit 895241ef)

Linker tries to open a library even if it can
be found by soname. This only happens if the
library was previously opened under different
target sdk version.

Bug: http://b/21876587
Bug: http://b/21153477
Bug: http://b/21171302
Bug: https://code.google.com/p/android/issues/detail?id=160921
Change-Id: I769a04b6b1368a107d43f399297be14050338bbc

allows -mcpu=cortex-a53 to be passed as part of a command line.

Change-Id: Id4203a9fd197f4c3b661bad21ac58c32819fd687

Bug: http://b/21617095
Bug: http://b/20139821
Change-Id: If3d42d2a0b4a0c49721fd9b9ecbb4f7bee5a1eff
(cherry picked from commit 665607a6)

Bug: http://b/21858067
Change-Id: Iaa83a5e17cfff796aed4f641d0d14427614d9399
(cherry picked from commit b1304935)

We don't want to use <asm/ptrace.h> because (a) it'll drag in a bunch of
namespace pollution and (b) the registers should be "long double" for
userspace, not the kernel's uint128s. So just use a slightly different
name for our struct (which matches the traditional names for these structs
anyway).

Bug: http://b/21695943
Bug: https://code.google.com/p/android/issues/detail?id=86712
Change-Id: I8812ca98cfe6b649dbd31f7d6aea41928ba2acbd
(cherry picked from commit 0577733c)

Needed for building gdbserver out of the box.

Bug: http://b/21695943
Bug: https://code.google.com/p/android/issues/detail?id=86712
Change-Id: Ieadda2b595f08bfddfa61fcd68006b8e7c1a438d
(cherry picked from commit bf18c617)

Bug: http://b/21857154
Change-Id: Ie1fb63f54c6c527b8c1172e8f6ce48f23fca9b41
(cherry picked from commit 469b4187)

* commit '00cef820':
  Define nonportable pthread mutex macros with the _NP suffix.

* commit '64e9e71c':
  Define nonportable pthread mutex macros with the _NP suffix.

Change-Id: I1066352e5b2607f64daf6aeb0030d0bbe88ead8d

Bug: http://b/21765603
Change-Id: I97710ef2436eac2160e29ba3e4521f6e63a1907c
(cherry picked from commit 175dae92)

Bug: http://b/21761353
Change-Id: Ic8ef3f241d62d2a4271fbc783c8af50257bac498
(cherry picked from commit be57a40d)

Bug: http://b/21364029
Change-Id: I9716d6b0ea7fae6483629a290dbe695b68526588

Bug: http://b/19647373
Change-Id: I10e7682d9cec26a523f1a3597ca5326c3ca42ebe
(cherry picked from commit 1801db3d)

Bug: http://b/21696087
Change-Id: I1e22d5fd6fe2faead332249493123c9a085081e9
(cherry picked from commit 624b8f17)

The pthread_mutex_lock and pthread_mutex_unlock were allowed to
fail silently on L 32 bit devices when passed a NULL. We changed
this to a crash on 32 bit devices, but there are still games that make
these calls and are not likely to be updated. Therefore, once again
allow NULL to be passed in on 32 bit devices.

Bug: 19995172
Change-Id: If7e8860075ecd63c0064d80f64e226fad7bd3c26

Bug: http://b/21726698
Bug: http://b/8076853
Change-Id: I8c1942a98fe3119746b4dc9f60a7ff215ea7009c

Bug: 21669400
Change-Id: I54691661605a2e2c1871781964aed343840b8560
(cherry-pick from commit 33c2d441b8f816722bed984c6e12b82b888c3ca2)

The functions dlmalloc_inspect_all and dlmalloc_trim get
exported on devices that use dlmalloc, so be consistent and
export them everywhere.

Bug: 21640784
(cherry picked from commit f9554a17)

Change-Id: I1000221423c16c356bb6301e55f726db01c3f209

These are the problems fixed in this CL:

- The ndk_cruft.cpp file was not compiled for 64 bit.
- Some files where not compiled for libc_bionic.a due to a missing
  patch-up-arch-specific-flags call.
- The libc_bionic_ndk.a patch up call was using bionic src, not
  the bionic_ndk_src_files.
- Move mmap.cpp to the ndk src list where it was before because of
  the above errors.

Bug: 21640784
(cherry picked from commit 19fee2ca)

Change-Id: Ib9a9cfd72720586d3400b11cd7189f021e9a06c6

* commit '61b040a5':
  Make sys_resource test more robust.

Bug: http://b/21640806
Change-Id: I778b35c8c7538859179e97fcf5a82db2fcd9e50f
(cherry picked from commit 9cf6fc30)

It turns out that apportable apps expect that the DIR structure is
the same as in L and below. Modify the structure to have the same
order, and move the new variable to the end of the structure.

Bug: 21037208
Change-Id: Id1258e9dc19423109a2c3a8086d3022965591166

Bug: http://b/20139821
Change-Id: I1c1ed1b97a75936407e996698b98b94a7175ac30
(cherry picked from commit 6cda0742)

 Do not skip RTLD_LOCAL libraries in dlsym(RTLD_DEFAULT, ...)
 if the library is opened by application with target api level <= 22

Bug: http://b/21565766
Bug: http://b/17512583
Change-Id: Ic45ed1e4f53e84cba9d74cab6b0049c0c7aa8423

Change-Id: I362ab2e25e3368c71cb1af51cee2e8fb5ce53e61

automerge: 492a0bf2

* commit '492a0bf2':
  Make sys_resource test more robust.

Bug: 19482626

"ulimit -c xxx" command may run before bionic-unit-tests.
Make sure sys_resource test fails gently in that case.

Change-Id: Ic3b5ed8b20acba56df8c5ef082c88e5050e761aa
(cherry picked from commit 4853f40f)

 Applies only for apps targeting sdk version <= 22

Bug: http://b/21565766
Change-Id: If0bf2229dc1341e9ca09f9a05d0890515273d5a2