The .note.android.ident section is only used by GDB, which doesn't
care what section type the section is, but it would be convenient
for readelf -n to be able to find the section too.
The old way of getting the .note.android.ident section to be of type
SH_NOTE involved compiling from .c to .s using gcc, running sed to
change progbits to note, and then compiling from .s to .o using gcc.
Since crtbrand.c only contains a section containing data, a
crtbrand.S can be checked in that will compile on all platforms,
avoiding the need for sed.
Also add crtbrand.o to crtbegin_so.o so that libraries also get
the note, and to the crt workaround in arm libc.so.
Change-Id: Ica71942a6af4553b56978ceaa288b3f4c15ebfa2
crtbrand.c was compiled to a .s file, run through a sed script
to translate a %progbits to %note, and the compiled to .o.
However, when the sed command was copied from the original source
it was not updated to use the new name of the section (.note.ABI-tag
to .note.android.ident), so it didn't modify the file. Since the
section has been generated with type %progbits instead of %note for
two years, just delete the whole sed step.
Change-Id: Id78582e9b43b628afec4eed22a088283132f0742
Include full 16-byte Mips sigset_t signal mask within jump buffer.
Call sigprocmask instead of sigblockmask/sigsetmask to get/set full signal mask.
Include sigsetjmp's savesigs arg inside jmp_buf, instead of following it.
Reserve room for future extensions.
Preserve historically-large mips32 _JBLEN size.
Eliminate redundancy: code setjmp and _setjmp as tail calls into sigsetjmp,
and make longjmp and _longjmp aliases of siglongjmp.
Change-Id: Ie79137cf059228c1a51344ebb20d3a9a40b4a252
* commit '427d438dd44bb79dad87d51ad60593872391e7a7':
Use LOCAL_LDFLAGS_64 instead of enumerating 64-bit architectures
Fix typo in cpu variant makefile depenendency for arm64
Remove libc_static_common_src_files
Share LP32 makefile settings between arches
* changes:
Use LOCAL_LDFLAGS_64 instead of enumerating 64-bit architectures
Fix typo in cpu variant makefile depenendency for arm64
Remove libc_static_common_src_files
Share LP32 makefile settings between arches
libc_static_common_src_files is never set after
c3f114037d, remove the remaining
references to it.
Change-Id: I66364a5c1b031ad69d608f6f44244049192944f6
Add <var>_32 to patch-up-arch-specific-flags, and move the LP32
cruft varaibles from the 32-bit arch specific makefiles into the
top level Android.mk.
Change-Id: Id3fcf6805d4af048c2524c94b1295416ebe7d057
This is now necessary to build .dat files that are useable for ICU4J as
well, and will need to be used for any future updates of the .dat file:
https://android.googlesource.com/platform/external/icu/+/6b52738
Change-Id: Ifa3a7469a66ab932db20876697e45814f0c5ddc3
In https://android-review.googlesource.com/#/c/127908/5/libc/SYSCALLS.TXT@116
Elliott said:
for LP64 these will be hidden. for LP32 we were cowards and left
them all public for compatibility (though i don't think we ever
dremeled to see whether it was needed). we don't have an easy
way to recognize additions, though, so we can't prevent adding
new turds.
Add a mechanism to prevent the adding of new turds, and use that
mechanism on the fchmod/fchmodat system calls.
Bug: 19233951
Change-Id: I98f98345970b631a379f348df57858f9fc3d57c0
If we lose the #ifndef, the compiler will tell us if the definitions
of SEEK_SET and friends ever get out of sync.
Change-Id: I357cabec7c9cd451c604342344f210bba20fb6bc
Many libc functions have an option to not follow symbolic
links. This is useful to avoid security sensitive code
from inadvertantly following attacker supplied symlinks
and taking inappropriate action on files it shouldn't.
For example, open() has O_NOFOLLOW, chown() has
lchown(), stat() has lstat(), etc.
There is no such equivalent function for chmod(), such as lchmod().
To address this, POSIX introduced fchmodat(AT_SYMLINK_NOFOLLOW),
which is intended to provide a way to perform a chmod operation
which doesn't follow symlinks.
Currently, the Linux kernel doesn't implement AT_SYMLINK_NOFOLLOW.
In GLIBC, attempting to use the AT_SYMLINK_NOFOLLOW flag causes
fchmodat to return ENOTSUP. Details are in "man fchmodat".
Bionic currently differs from GLIBC in that AT_SYMLINK_NOFOLLOW
is silently ignored and treated as if the flag wasn't present.
This patch provides a userspace implementation of
AT_SYMLINK_NOFOLLOW for bionic. Using open(O_PATH | O_NOFOLLOW),
we can provide a way to atomically change the permissions on
files without worrying about race conditions.
As part of this change, we add support for fchmod on O_PATH
file descriptors, because it's relatively straight forward
and could be useful in the future.
The basic idea behind this implementation comes from
https://sourceware.org/bugzilla/show_bug.cgi?id=14578 , specifically
comment #10.
Change-Id: I1eba0cdb2c509d9193ceecf28f13118188a3cfa7
Don't send the trailing NUL bytes to the logger, call strlen if we already
know the length, or cast more specifically than we need to.
Change-Id: I68c9388a22bddea49120a1022dda8db8991360c1
We build one too many times. Creating a missing directory
is sufficient.
The tz2icu needs some files in the CWD. Added symlinks.
Bug: 19230091
Change-Id: I58f9817af68b229f48139e56503f50a2b6dbb4fe
Time Zone Data v. 2015a (Released 2015-01-29)
http://www.iana.org/time-zones/repository/releases/tzdata2015a.tar.gz
Information from NEWS:
Release 2015a - 2015-01-29 22:35:20 -0800
Changes affecting future time stamps
The Mexican state of Quintana Roo, represented by America/Cancun,
will shift from Central Time with DST to Eastern Time without DST
on 2015-02-01 at 02:00. (Thanks to Steffen Thorsen and Gwillim Law.)
Chile will not change clocks in April or thereafter; its new standard time
will be its old daylight saving time. This affects America/Santiago,
Pacific/Easter, and Antarctica/Palmer. (Thanks to Juan Correa.)
New leap second 2015-06-30 23:59:60 UTC as per IERS Bulletin C 49.
(Thanks to Tim Parenti.)
Changes affecting past time stamps
Iceland observed DST in 1919 and 1921, and its 1939 fallback
transition was Oct. 29, not Nov. 29. Remove incorrect data from
Shanks about time in Iceland between 1837 and 1908.
Some more zones have been turned into links, when they differed
from existing zones only for older time stamps. As usual,
these changes affect UTC offsets in pre-1970 time stamps only.
Their old contents have been moved to the 'backzone' file.
The affected zones are: Asia/Aden, Asia/Bahrain, Asia/Kuwait,
and Asia/Muscat.
Changes affecting code
tzalloc now scrubs time zone abbreviations compatibly with the way
that tzset always has, by replacing invalid bytes with '_' and by
shortening too-long abbreviations.
tzselect ports to POSIX awk implementations, no longer mishandles
POSIX TZ settings when GNU awk is used, and reports POSIX TZ
settings to the user. (Thanks to Stefan Kuhn.)
Changes affecting build procedure
'make check' now checks for links to links in the data.
One such link (for Africa/Asmera) has been fixed.
(Thanks to Stephen Colebourne for pointing out the problem.)
Changes affecting commentary
The leapseconds file commentary now mentions the expiration date.
(Problem reported by Martin Burnicki.)
Update Mexican Library of Congress URL.
Bug: 19212588
Change-Id: Idc07ac862901500d4a1dbd0f4aadcfd0aa9d10b8
All these inlines were turned in to out of line definitions in L.
This brings us a step closer to being able to just use the current
bionic headers for the NDK, rather than having many old versions of
them.
Change-Id: Ie010bc727d78d3742abc577c70f6578db2e68625
The kernel version of the stat structure is used during the syscalls. After the syscall,
the kernel stat structure is converted to match the generic one. Eventually we would like
the generic stat structure and related syscalls be added to MIPS64 kernel, removing the
thunks added to AOSP.
Change-Id: I7764e80278c1cc8254754c3531ec2dda7544a8ec
Move various mips-only things into the arch-mips directory. As soon as mips
writes assembler replacements, we can remove these.
Change-Id: Ia7308559bc361f5c8df3e1d456b381865e060b93
Interestingly, this mostly involves cleaning up our implementation of
various <string.h> functions.
Change-Id: Ifaef49b5cb997134f7bc0cc31bdac844bdb9e089
The code now compiles with all combinations of DEBUG and
DEBUG_DATA except DEBUG_DATA=1, DEBUG=0, which is unsupported.
Change-Id: I9035a65c649df73092f1fc0864ae1cdd9a14aa3b
Static libraries are painful. Details are in the comment. I'll try to
get prebuilts in to the tree so I can fix this on Monday. Until then,
this isn't actually a regression because we've not had coverage
available for this library until now anyway.
Bug: 17574078
Change-Id: I7505c8a94007203e15a6cf192caa06004849d7d9
This text is actually in POSIX (though it's not mandatory) and it's what glibc
says. Who says "file number" anyway?
Change-Id: Icc91ac24587c2bc692e0b97c19d32ac1bdda4ea7
gcov does writes after reads on the same stream, but the bulk read optimization
was clobbering the FILE _flags, causing fwrite to fail.
Bug: 19129055
Change-Id: I9650cb7de4bb173a706b502406266ed0d2b654d7
We know we can safely statically link `libm`, since it doesn't have
any dependencies on the OS or the layout of a data type that has
changed between releases (like `pthread_t`).
We can safely statically link `libc_syscalls` because the user can
check for and handle `ENOSYS`.
Update `ndk_missing_symbols.py` to account for symbols that are in the
compatibility library.
Improve `symbols.py` to be able to pull symbols from a static library.
Change-Id: Ifb0ede1e8b4a8f0f33865d9fed72fb8b4d443fbc
ndk_missing_symbols.py pulls libc.so and libm.so off a running device
or emulator and shows the list of symbols that are in the current
bionic that aren't available on the target.
Change-Id: Ia92c315a6a0ce2e5c33db0b62c8fab41c08a4c31
The old __isthreaded hack was never very useful on Android because all user
code runs in a VM where there are lots of threads running. But __fsetlocking
lets a caller say "I'll worry about the locking for this FILE*", which is
useful for the normal case where you don't share a FILE* between threads
so you don't need any locking.
Bug: 17154740
Bug: 18593728
Change-Id: I2a8dddc29d3edff39a3d7d793387f2253608a68d
bionic/libc/stdio/fread.c:86:27: error: comparison of integers of different signs: 'int' and 'size_t' (aka 'unsigned int') [-Werror,-Wsign-compare]
Change-Id: Ia7e1e053e0cb13113e8f2eede820be013acbab82
This is correctness rather than performance, but found while investigating
performance.
Bug: 18593728
Change-Id: Idbdfed89d1931fcfae65db29d662108d4bbd9b65
(cherrypick of 79a49c9857f3949fc13373eeb179f27b6ecdca81.)
Change-Id: I7bb44fd1fe3ef2ddfc115247f328eccfceeb5352
Signed-off-by: Patrick Tjin <pattjin@google.com>
This makes us competitive with glibc for fully-buffered and unbuffered reads,
except in single-threaded situations where glibc avoids locking, but since
we're never really single-threaded anyway, that isn't a priority.
Bug: 18593728
Change-Id: Ib776bfba422ccf46209581fc0dc54f3567645b8f
If pthread_detach() is called while the thread is in pthread_exit(),
it takes the risk that no one can free the pthread_internal_t.
So I add PTHREAD_ATTR_FLAG_ZOMBIE to detect this, maybe very rare, but
both glibc and netbsd libpthread have similar function.
Change-Id: Iaa15f651903b8ca07aaa7bd4de46ff14a2f93835
<signal.h> shouldn't get you the contents of <errno.h>, and <fcntl.h>
shouldn't get you the contents of <unistd.h>.
Change-Id: I347499cd8671bfee98e6b8e875a97cab3a3655d3
POSIX says "The <fcntl.h> header shall define the symbolic constants for file
modes for use as values of mode_t as described in <sys/stat.h>".
Needed to build ToT strace.
Change-Id: Ia85a51ef6fd86a48084fe48ce24963000a937d37
Position Independent Executables cannot communicate with GDB using DT_MIPS_RLD_TAG.
Hence a new tag DT_MIPS_RLD_MAP2 got introduced to fix the issue.
Change-Id: I77ce3faf1ef2e121003b804ecd291abb25cfbb56
Signed-off-by: Nikola Veljkovic<Nikola.Veljkovic@imgtec.com>
Found by the toybox id(1) which calls both getpwuid(3) and getgrgid(3) before
looking at either result. The use of a shared buffer in this code meant that
even on a single thread, the data for any of the passwd functions would be
clobbered by the data for any of the group functions (or vice versa).
This might seem like an insufficient fix, but POSIX explicitly says (for
getpwnam) that the result "might be overwritten by a subsequent call to
getpwent(), getpwnam(), or getpwuid()" and likewise for other members of
that group, plus equivalent text for the group-related functions.
Change-Id: I2272f47e91f72e043fdaf7c169fa9f6978ff4370
Previously it couldn't be included alone. Also add a header and include guard,
and fix its siblings' include guards.
Bug: https://code.google.com/p/android/issues/detail?id=82638
Change-Id: I32139a4bda0a6b015508a2319bf4e1a1453345f2
I also suspect that libc/arch-arm/bionic/memcmp.S is supposed to like in the
generic directory these days, but this change just removes dead code.
Change-Id: I9072488df6e9b7261d79b6014914a0e937cb387b
Sgidefs.h is needed by strace.
Replaced now-duplicate arch-mips64/include directory
by symlink to arch-mips/include.
Change-Id: I7808602cfa452eca3ffbdb94903f4c5bdb33efa3
Remove code duplication and fall back to trying directly if the proxy
isn't available. With this, tests still work if netd is dead (perhaps
because you've run "adb shell stop", or because you're running on the host).
Bug: 18547878
Change-Id: Ia4a9aa18b1fc79e09735107246989fa7fc6c8455
Directly save data into stack without properly adjustment
of stack point is dangous. For example, if a signal comes,
kernel will put sigframe into userspace's stack, which
will overwrite the saved data if sp is not adjusted properly.
Bug: 15195265
Change-Id: Iea0cadfd3b94d50cf40252ad52fe5950811b9192
Signed-off-by: Jiangli Yuan <a6808c@motorola.com>
now, some script to update kernel-headers is not working.
because of wrong variable value and test codes.
so this issue is fixed.
Change-Id: Iffae9607858cc3c1c58fa24244be217b5a1ab06e
