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Christopher Ferris [Wed, 19 Aug 2015 18:25:38 +0000 (18:25 +0000)]
Merge "Modify ip to get the instr being executed."
Dan Albert [Tue, 18 Aug 2015 22:43:47 +0000 (22:43 +0000)]
Merge "Add a TLS slot for TSAN."
Christopher Ferris [Tue, 18 Aug 2015 22:41:31 +0000 (15:41 -0700)]
Modify ip to get the instr being executed.
The ip values being reported are always pointing at the next
instruction to execute, not the currently executing instruction.
Change the ip address to point at the currently executing instruction.
This fixes a problem where the next instruction is not actually
part of the same function, so if an addr2line is used, it reports
the wrong value.
This does not modify the ip for mips.
Bug:
22565486
Change-Id: Ie0df4c9727f62ce06948b9a2b0e4b7956eb6e752
Dan Albert [Tue, 18 Aug 2015 22:09:00 +0000 (15:09 -0700)]
Add a TLS slot for TSAN.
This is so TSAN won't need to rely on pthread_getspecific for finding
the current thread state.
Change-Id: Id3befeabec0a9f7ca77b5549fbc427e22e6aaa34
Christopher Ferris [Tue, 18 Aug 2015 17:18:11 +0000 (17:18 +0000)]
Merge "Add optimized cortex-a7/cortex-a53 memset/memcpy."
Elliott Hughes [Tue, 18 Aug 2015 00:23:49 +0000 (00:23 +0000)]
Merge "libc: remove bcopy from memmove on 64-bit architectures"
Ying Wang [Tue, 18 Aug 2015 00:07:03 +0000 (00:07 +0000)]
Merge "Don't attach linker_asan to linker in module definition."
Ying Wang [Mon, 17 Aug 2015 23:17:03 +0000 (16:17 -0700)]
Don't attach linker_asan to linker in module definition.
With this change, we only define the rules to create the symlinks in
this Android.mk but without attaching the symlinks to the module linker.
Instead the core build system will set up the dependency whenever a
module needs these symlinks.
Bug:
22850550
Change-Id: I36c58fd411f1c27f3f638b229699d7dc1d66abb2
Jake Weinstein [Sun, 16 Aug 2015 00:44:40 +0000 (00:44 +0000)]
libc: remove bcopy from memmove on 64-bit architectures
* bcopy is deprecated on LP64 by the following commit:
https://android.googlesource.com/platform/bionic/+/
ce9ce28e5d760e32ab6c894dfaf7b8dad6de7ff6
Change-Id: I6849916f0ec4a2d0db9a360999ad1dc8edda952b
Christopher Ferris [Fri, 24 Jul 2015 03:27:42 +0000 (20:27 -0700)]
Add optimized cortex-a7/cortex-a53 memset/memcpy.
Add an optimized memset that is ~20% faster for cortex-a7 and
cortex-a53.
Add a 32 bit optimized cortex-a53 memcpy that is about ~20% faster
on cached data.
Fix the cortex-a15 __str{cat,cpy}_chk.S, memcpy_base.S to remove
the phony functions, since they aren't needed any more. Then add
a direct include of these for cortex-a53.
Verified the new functions by stepping through all of the major
paths and verifying the backtrace is still correct.
Bug:
22696180
Change-Id: Iec92a3f82d51243cca76c9aff9f35d920ff865ae
Elliott Hughes [Fri, 14 Aug 2015 22:57:10 +0000 (22:57 +0000)]
Merge "Use __builtin_* in <math.h>."
Elliott Hughes [Fri, 14 Aug 2015 21:04:30 +0000 (14:04 -0700)]
Use __builtin_* in <math.h>.
Also remove cruft meant to support long-obsolete compilers. More
benchmarks.
Bug: http://b/
23195789
Change-Id: Ief538e41e77a77e8013b2f4f359584e8df2c47d8
Elliott Hughes [Fri, 14 Aug 2015 21:09:26 +0000 (21:09 +0000)]
Merge "libm: ARM: reorganize a bit to match ARM64"
Jake Weinstein [Thu, 13 Aug 2015 23:00:49 +0000 (23:00 +0000)]
libm: ARM: reorganize a bit to match ARM64
* Cleaner naming, especially if there are more ARM-specific routines in
the future.
Change-Id: Id29db728800ccd612a906e86ccb95c1e7620514d
Elliott Hughes [Wed, 12 Aug 2015 02:28:25 +0000 (02:28 +0000)]
Merge "[MIPS] Invalidate cached pid in vfork."
Duane Sand [Wed, 12 Aug 2015 00:00:56 +0000 (17:00 -0700)]
[MIPS] Invalidate cached pid in vfork.
Bug: http://b/
23008979
Change-Id: I43e0c7db42602441313af4607a992caa8c7d6221
Dan Albert [Wed, 12 Aug 2015 01:58:18 +0000 (01:58 +0000)]
Merge "Fix test steps for 64-bit bionic"
Dan Albert [Wed, 12 Aug 2015 00:28:07 +0000 (00:28 +0000)]
Merge "Add missing include."
Duane Sand [Wed, 12 Aug 2015 00:21:27 +0000 (17:21 -0700)]
Fix test steps for 64-bit bionic
Change-Id: Ibe76f22cdb5c0dbc69a24ffd0acffff89686ca35
Dan Albert [Tue, 11 Aug 2015 23:46:26 +0000 (16:46 -0700)]
Add missing include.
libc++ cleaned up a leaky header.
Change-Id: I5ac0f43a075257a9138a82be379c9cffe96e0ab9
Dan Albert [Mon, 10 Aug 2015 23:45:48 +0000 (23:45 +0000)]
Merge "Move up to C++14."
Dan Albert [Mon, 10 Aug 2015 23:40:06 +0000 (16:40 -0700)]
Move up to C++14.
The default standard version is now ahead of us. Stop specifying C++11
so we get that too.
Change-Id: Ic96942cd7fd134118e29b744601b0119e49b6ac4
Yabin Cui [Mon, 10 Aug 2015 22:01:07 +0000 (22:01 +0000)]
Merge "Omit comment when reading --gtest_list_tests option's output."
Elliott Hughes [Mon, 10 Aug 2015 19:47:11 +0000 (19:47 +0000)]
Merge "Invalidate cached pid in vfork."
Yabin Cui [Mon, 10 Aug 2015 19:12:39 +0000 (12:12 -0700)]
Omit comment when reading --gtest_list_tests option's output.
Gtest add comments when listing typed tests. And we should omit them.
Bug:
23040880
Change-Id: If6034af301337fc06eeab294d2dbe5317a6b7f91
Elliott Hughes [Sat, 8 Aug 2015 01:27:47 +0000 (18:27 -0700)]
Invalidate cached pid in vfork.
Bug: http://b/
23008979
Change-Id: I1dd900ac988cdbe10aad3abc53240c5d352891d5
Andreas Gampe [Tue, 4 Aug 2015 22:35:34 +0000 (22:35 +0000)]
Merge "Bionic: Add a TLS slot for ART for Thread self"
Elliott Hughes [Tue, 4 Aug 2015 00:58:57 +0000 (00:58 +0000)]
Merge "name the arc4random structure mappings"
Elliott Hughes [Mon, 3 Aug 2015 18:22:42 +0000 (18:22 +0000)]
Merge "Cherrypick upstream fnmatch.c fix."
Elliott Hughes [Mon, 3 Aug 2015 18:11:22 +0000 (11:11 -0700)]
Cherrypick upstream fnmatch.c fix.
Bug: http://b/
22855370
Change-Id: I3865cff1e2ffeb6709cea092be3770c1bebf1623
Elliott Hughes [Mon, 3 Aug 2015 15:17:18 +0000 (15:17 +0000)]
Merge "[MIPS] Link .dex or .oat code lacking .MIPS.abiflags segment"
Daniel Micay [Sun, 2 Aug 2015 02:25:42 +0000 (22:25 -0400)]
name the arc4random structure mappings
Change-Id: I6e150e526f6ceee31aa9bd219fa45317d5a729cb
Yabin Cui [Sat, 1 Aug 2015 05:14:20 +0000 (05:14 +0000)]
Merge "add a fortified implementation of getcwd"
Daniel Micay [Wed, 20 May 2015 19:31:26 +0000 (15:31 -0400)]
add a fortified implementation of getcwd
Change-Id: Ice3e6d3e1ff07788305dc85f8ee4059baad5fac4
Duane Sand [Tue, 28 Jul 2015 21:04:29 +0000 (14:04 -0700)]
[MIPS] Link .dex or .oat code lacking .MIPS.abiflags segment
This corrects an issue with mips32 Art on mips64r6 Android, where
Java ran slowly due to unintended use of kernel-trap emulation of
single-precision floating point registers. This also regressed all
Art tests due to an extra logcat line
WARNING: linker: Using FRE=1 mode to run "..."
When targeting mips32r6, Art generates modeless or FR=1 floating point
code, same as Android's own native mips32r6 modules. So the trapping was
unneeded. Linker was confusing Art-generated modules with those from
old NDK compilers, which do need that trapping mode.
This linker filename check may become unnecessary, if Art learns how to
generate .MIPS.abiflags segments in its generated elf-like codefiles.
Change-Id: I18069d1234960c680c5df739514da09015a7fdb6
Elliott Hughes [Fri, 31 Jul 2015 18:04:38 +0000 (18:04 +0000)]
Merge "Sync current upstream fnmatch.c."
Elliott Hughes [Fri, 31 Jul 2015 17:57:27 +0000 (10:57 -0700)]
Sync current upstream fnmatch.c.
Bug: http://b/
22855370
Change-Id: I589f849aaede3b69b6b3682989bab7d8649dcd97
Elliott Hughes [Fri, 31 Jul 2015 17:33:05 +0000 (17:33 +0000)]
Merge "Revert "add a fortified implementation of getcwd""
Elliott Hughes [Fri, 31 Jul 2015 17:32:50 +0000 (17:32 +0000)]
Revert "add a fortified implementation of getcwd"
This reverts commit
89a121d43a274131cf9f84b0e685bebf1e70cc1b.
Change-Id: Ib6f6fd424acea68a063777e9f324405450e23316
Yabin Cui [Fri, 31 Jul 2015 16:55:12 +0000 (16:55 +0000)]
Merge "add a fortified implementation of getcwd"
Daniel Micay [Wed, 20 May 2015 19:31:26 +0000 (15:31 -0400)]
add a fortified implementation of getcwd
Change-Id: I95001ae4fe8f206db83e5c44d129ba11310695ce
Elliott Hughes [Thu, 30 Jul 2015 15:10:59 +0000 (15:10 +0000)]
Merge "Stop sending SIGPIPE to debuggerd."
Elliott Hughes [Thu, 30 Jul 2015 05:24:13 +0000 (22:24 -0700)]
Stop sending SIGPIPE to debuggerd.
SIGPIPE is a pretty normal way for command-line apps to die, but because
we catch it and report it via debuggerd, we get a lot of bogus bugs. We
could catch SIGPIPE in our tools, but that's not really legit and slightly
misleading.
"But", you say, "catching SIGPIPE is useful for app bugs!". Except a trawl
through buganizer suggests it's misleading there too. Not least because
it's usually an innocent victim that dies --- the problem is usually on the
other end of the pipe (which you learn nothing about because that process
already died, which is what closed the pipe).
We also don't catch SIGALRM, which is another signal that will terminate
your process if you don't catch it, but that one actually represents a
logic error in the crashing process, so there's a stronger argument for
catching that. (Except it too is not a real source of bugs.)
Bug: http://b/
20659371
Change-Id: I79820b36573ddaa9a7bad0561a52f23e7a8d15ac
Elliott Hughes [Thu, 30 Jul 2015 00:22:48 +0000 (00:22 +0000)]
Merge "Prevent buffer over-read in linker.cpp's parse_path."
tony.ys_liu [Wed, 29 Jul 2015 10:00:22 +0000 (18:00 +0800)]
Prevent buffer over-read in linker.cpp's parse_path.
Also, the old behavior of skipping empty entries doesn't match glibc.
Change-Id: I497774377113ab6c5d962e0f20066e2192748f06
Elliott Hughes [Wed, 29 Jul 2015 15:18:06 +0000 (15:18 +0000)]
Merge "Remove PAGE_SIZE from <limits.h>."
Elliott Hughes [Wed, 29 Jul 2015 02:52:31 +0000 (19:52 -0700)]
Remove PAGE_SIZE from <limits.h>.
It turns out that everyone's still getting PAGE_SIZE from <sys/user.h> via
<sys/ucontext.h> via <signal.h> anyway.
glibc has PAGE_SIZE in <sys/user.h> rather than <limits.h> so this part is
good. The bad part is that we have such wide transitive inclusion of
<sys/user.h>!
Bug: http://b/
22735893
Change-Id: I363adffe4a27b4ca1eedf695ea621f5dd2d5ca10
Andreas Gampe [Wed, 29 Jul 2015 02:53:54 +0000 (19:53 -0700)]
Bionic: Add a TLS slot for ART for Thread self
To improve the performance of Thread::Current(), add a tls slot so
ART can avoid a pthreads call.
Change-Id: Icc86a2b7590734637366f9d5e41a5c6d18cc5772
Elliott Hughes [Wed, 29 Jul 2015 01:02:37 +0000 (01:02 +0000)]
Merge "Don't transitively include <limits.h> from <sys/user.h>."
Elliott Hughes [Wed, 29 Jul 2015 00:44:32 +0000 (17:44 -0700)]
Don't transitively include <limits.h> from <sys/user.h>.
Bug: http://b/
22735893
Change-Id: I27d0a1f7e2d477b8038e76bfc7fe05dd7e187344
Elliott Hughes [Wed, 29 Jul 2015 00:09:20 +0000 (00:09 +0000)]
Merge "Remove PAGESIZE."
Elliott Hughes [Tue, 28 Jul 2015 23:46:06 +0000 (16:46 -0700)]
Remove PAGESIZE.
This was pretty much unused, and isn't in glibc.
Bug: http://b/
22735893
Change-Id: If17f0dcd931c90ef1ccb134a3950c3b0011a03f4
Elliott Hughes [Tue, 28 Jul 2015 23:11:18 +0000 (23:11 +0000)]
Merge "Move PAGE_MASK into <sys/user.h>."
Elliott Hughes [Tue, 28 Jul 2015 21:58:37 +0000 (14:58 -0700)]
Move PAGE_MASK into <sys/user.h>.
I'm removing the TODO on the assumption that being compatible with glibc
is more useful than BSD. The new internal "bionic_page.h" header factors
out some duplication between libc and the linker.
Bug: http://b/
22735893
Change-Id: I4aec4dcba5886fb6f6b9290a8f85660643261321
Mark Salyzyn [Tue, 28 Jul 2015 17:48:08 +0000 (17:48 +0000)]
Merge "deprecate TARGET_USES_LOGD"
Mark Salyzyn [Tue, 28 Jul 2015 15:51:17 +0000 (08:51 -0700)]
deprecate TARGET_USES_LOGD
This is not the kernel logger you are looking for
Bug:
22787659
Change-Id: I340d8bb5cdaa73be9565521681ee238b7033934b
Elliott Hughes [Tue, 28 Jul 2015 14:55:50 +0000 (14:55 +0000)]
Merge "Add a regression test for a fixed strnlen bug."
Elliott Hughes [Tue, 28 Jul 2015 03:55:03 +0000 (20:55 -0700)]
Add a regression test for a fixed strnlen bug.
Bug: https://code.google.com/p/android/issues/detail?id=74741
Change-Id: I78b0114bdbe8e680b0e938af608a634e73c86eda
Chih-hung Hsieh [Tue, 28 Jul 2015 01:33:01 +0000 (01:33 +0000)]
Merge "Add one simple thread local storage test."
Chih-Hung Hsieh [Mon, 27 Jul 2015 17:46:21 +0000 (10:46 -0700)]
Add one simple thread local storage test.
This test should pass with gcc and fail with clang,
until clang/llvm supports emutls or Android linker supports
ELF TLS models.
BUG:
21082792
Change-Id: Id8c97da52c68ec230c7d26af703f6ed32d53a4fe
Christopher Ferris [Mon, 27 Jul 2015 23:09:32 +0000 (23:09 +0000)]
Merge "Remove pushes from memsets (krait/cortex-a9)."
Yabin Cui [Mon, 27 Jul 2015 22:46:29 +0000 (22:46 +0000)]
Merge "add fortified implementations of fread/fwrite"
Elliott Hughes [Mon, 27 Jul 2015 21:34:53 +0000 (21:34 +0000)]
Merge "Restore protection flags for ifunc during relocs."
Christopher Ferris [Mon, 27 Jul 2015 20:51:31 +0000 (13:51 -0700)]
Remove pushes from memsets (krait/cortex-a9).
On the path that only uses r0 in both the krait and cortex-a9
memset, remove the push and use r3 instead.
In addition, for cortex-a9, remove the artificial function since
it's not needed since dwarf unwinding is now supported on arm.
Change-Id: Ia4ed1cc435b03627a7193215e76c8ea3335f949a
Elliott Hughes [Mon, 27 Jul 2015 18:06:35 +0000 (18:06 +0000)]
Merge "name the atexit handler pages"
Daniel Micay [Sat, 25 Jul 2015 19:40:14 +0000 (15:40 -0400)]
name the atexit handler pages
Change-Id: I1718ddee7415a673b5818bc1455b8d90f1e8f9c6
Dmitriy Ivanov [Sun, 26 Jul 2015 14:37:09 +0000 (07:37 -0700)]
Restore protection flags for ifunc during relocs.
IFUNC relocations require executable flag for the load
segment containing .text. When dso has text relocs linker
removes exec which causes crash during ifunc relocations.
This patch fixes this problem by restoring segments protection
for ifunc relocs.
Bug: http://b/
22611399
Change-Id: Icbf3be0fec0e42bf805bcad7533e2032a2e11b9c
(cherry picked from commit
de0fb393ae8136a5958fe17eee0c6285e2f7f91a)
Elliott Hughes [Sat, 25 Jul 2015 18:32:46 +0000 (18:32 +0000)]
Merge "Use AT_PAGESZ for sysconf(_SC_PAGE_SIZE)."
Elliott Hughes [Sat, 25 Jul 2015 06:22:07 +0000 (23:22 -0700)]
Use AT_PAGESZ for sysconf(_SC_PAGE_SIZE).
Bug: http://b/
18342333
Change-Id: Id12ed4e85a0f35d7d27202f7792df42a65a74b4e
Christopher Ferris [Fri, 24 Jul 2015 00:47:06 +0000 (00:47 +0000)]
Merge "Make all labels local."
Daniel Micay [Sat, 18 Jul 2015 17:55:51 +0000 (13:55 -0400)]
add fortified implementations of fread/fwrite
A __size_mul_overflow utility is used to take advantage of the checked
overflow intrinsics in Clang and GCC (>= 5). The fallback for older
compilers is the optimized but less than ideal overflow checking pattern
used in OpenBSD.
Change-Id: Ibb0d4fd9b5acb67983e6a9f46844c2fd444f7e69
Christopher Ferris [Thu, 23 Jul 2015 19:12:55 +0000 (12:12 -0700)]
Make all labels local.
Change the non-local labels to .L labels.
Change-Id: I720e894f2e311af8f4a0970303d8b86575fb69a5
Yabin Cui [Thu, 23 Jul 2015 17:20:30 +0000 (17:20 +0000)]
Merge "Don't abort when failed to write tracing message."
Yabin Cui [Wed, 22 Jul 2015 00:27:54 +0000 (17:27 -0700)]
Don't abort when failed to write tracing message.
Also make the code thread-safe with lock.
Bug:
20666100
Change-Id: I0f331a617b75280f36179c187418450230d713ef
Yabin Cui [Wed, 22 Jul 2015 03:22:26 +0000 (03:22 +0000)]
Merge "Add getgrgid_r/getgrnam_r."
Yabin Cui [Tue, 21 Jul 2015 02:46:26 +0000 (19:46 -0700)]
Add getgrgid_r/getgrnam_r.
Bug:
22568551
Change-Id: I3c0772d119d6041063c6be53f5bcc5ea1768f0d5
Elliott Hughes [Wed, 22 Jul 2015 01:51:00 +0000 (01:51 +0000)]
Merge "libc: arch-x86: implement kernel vdso time functions"
Robert Jarzmik [Wed, 15 Jul 2015 13:26:43 +0000 (15:26 +0200)]
libc: arch-x86: implement kernel vdso time functions
This patch give the possibility of time vdso support on 32bit kernel.
If the 32bit x86 kernel provides gettimeofday() and clock_gettime()
primitives in vdso. In this case make bionic use them. If the kernel
doesn't provide them, fallback to the legacy system call versions.
Change-Id: I87b772a9486fa356903e1f98f486ab9eb0b6f6f7
Signed-off-by: Robert Jarzmik <robert.jarzmik@intel.com>
Signed-off-by: Mingwei Shi <mingwei.shi@intel.com>
Ying Wang [Tue, 21 Jul 2015 21:10:22 +0000 (21:10 +0000)]
Merge "We don't have CXX_BARE any more"
Ying Wang [Tue, 21 Jul 2015 01:51:30 +0000 (18:51 -0700)]
We don't have CXX_BARE any more
Now we have split CXX_WRAPPER from TARGET_CXX and CXX_BARE isn't needed
any more.
Bug:
22612634
Change-Id: I52c78b0d1b325910e875a786d17f780731778b4b
(cherry-pick from commit
9d11a7087c860195bf23f2825a7fe70d43ff7b78)
Elliott Hughes [Tue, 21 Jul 2015 20:28:15 +0000 (20:28 +0000)]
Merge "Use a less misleading name for the code that sets up the main thread."
Elliott Hughes [Tue, 21 Jul 2015 18:57:09 +0000 (11:57 -0700)]
Use a less misleading name for the code that sets up the main thread.
Change-Id: I50c1b0a3b633cf8bc40a6bd86f12adb6b91e2888
Christopher Ferris [Tue, 21 Jul 2015 17:29:09 +0000 (17:29 +0000)]
Merge "Add support for non-zero vaddr in maps."
Elliott Hughes [Tue, 21 Jul 2015 02:15:19 +0000 (02:15 +0000)]
Merge "Revert "Revert "make vdso function pointers read-only at runtime"""
Dan Albert [Tue, 21 Jul 2015 00:22:20 +0000 (00:22 +0000)]
Merge "Revert "Stop libc from cross-referencing unwind symbols""
Dan Albert [Mon, 20 Jul 2015 23:56:51 +0000 (16:56 -0700)]
Revert "Stop libc from cross-referencing unwind symbols"
This reverts commit
cd13b14e98d4921af126667fae0cf6613a5615c5.
Bug: http://b/
19958712
Change-Id: I7cc7f69728c42c37e129aee30d761c4cd7e30e94
Elliott Hughes [Mon, 20 Jul 2015 22:34:27 +0000 (22:34 +0000)]
Revert "Revert "make vdso function pointers read-only at runtime""
This reverts commit
1946856b1f18a27c51ba30bb9e304f25b722ee05.
This goes back to the original scheme of PROT_NONEing a page within
libc. Allocating a new page didn't fail safe for cases where these
functions are called from the dynamic linker.
Bug: http://b/
22568628
Change-Id: I3e7241c8b54c27ea4a898bc952375c1e9ae38c80
Dmitriy Ivanov [Mon, 20 Jul 2015 18:31:07 +0000 (18:31 +0000)]
Merge "Fix dt_runpath test."
Dmitriy Ivanov [Mon, 20 Jul 2015 17:47:49 +0000 (10:47 -0700)]
Fix dt_runpath test.
Bfd linker produces DT_RPATH instead of DT_RUNPATH
unless --enable-new-dtags option is specified.
Bug: http://b/
22560945
Change-Id: I71bdc5137b899ab736e55c5a9574cfbba8e1983b
Elliott Hughes [Mon, 20 Jul 2015 17:36:52 +0000 (17:36 +0000)]
Merge "<sys/time.h> should include [most of] <sys/select.h>."
Elliott Hughes [Mon, 20 Jul 2015 17:30:49 +0000 (17:30 +0000)]
Merge "Revert "make vdso function pointers read-only at runtime""
Elliott Hughes [Mon, 20 Jul 2015 17:30:33 +0000 (17:30 +0000)]
Revert "make vdso function pointers read-only at runtime"
This reverts commit
df1a3c6d21702e3e96cfcddadee4a50bfac82110.
This change prevented N9 from booting (http://b/
22568628).
Change-Id: I071d6d6a0ae7881d65641839e665acdcf58462b4
Elliott Hughes [Sat, 18 Jul 2015 02:10:24 +0000 (19:10 -0700)]
<sys/time.h> should include [most of] <sys/select.h>.
Found by trying to build c-ares with bionic.
Change-Id: I38684abcb806ef1e8806c68b4a6dd9200f48849e
Elliott Hughes [Fri, 17 Jul 2015 21:42:03 +0000 (21:42 +0000)]
Merge "Add all the glibc one-line "synonym" header files."
Elliott Hughes [Fri, 17 Jul 2015 20:59:36 +0000 (13:59 -0700)]
Add all the glibc one-line "synonym" header files.
Ported code keeps needing these one by one, so let's just add the whole
set...
Change-Id: I9662b256aeaa1b0ffb22354130e503f0c4aa472b
Elliott Hughes [Fri, 17 Jul 2015 18:13:31 +0000 (18:13 +0000)]
Merge "make vdso function pointers read-only at runtime"
Daniel Micay [Fri, 17 Jul 2015 16:13:27 +0000 (12:13 -0400)]
make vdso function pointers read-only at runtime
Global, writable function pointers are low-hanging fruit for hijacking
control flow with an overflow from a global buffer or an arbitrary write
vulnerability. This moves the function pointer table into a dedicated
page and makes it read-only at runtime, similar to RELRO.
This increases the memory usage of the library by just under one page.
This could be avoided by having the linker load the vdso by replacing
weak symbols. It's not significant within the Zygote spawning model
though because it's read-only after early init.
Change-Id: Id7a49c96c1b15c2e1926528304b3c54a81e78caf
Dmitriy Ivanov [Fri, 17 Jul 2015 17:49:20 +0000 (17:49 +0000)]
Merge "Fix potential race condition on dlopen"
Dmitriy Ivanov [Fri, 17 Jul 2015 17:36:10 +0000 (10:36 -0700)]
Fix potential race condition on dlopen
Call to find_containing_library should be guarded.
Change-Id: I985a903da48b83bcd35e957a979158eb9b80e70b
Christopher Ferris [Thu, 16 Jul 2015 21:49:17 +0000 (14:49 -0700)]
Add support for non-zero vaddr in maps.
If a map has a non-zero vaddr then it needs to be added to the
computed relative offset.
Bug:
22532054
Change-Id: If55015165d25ecc4b530f674b481c8c7ef760a23