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2956 commits

Author SHA1 Message Date
Elliott Hughes
abd626117c Generate the uapi headers for mips and x86/x86_64.
Bug: 11559337
Change-Id: I23b1a43e7bfa8fa6f9df7e59d2e731a0ec52dafc
2013-11-08 11:46:03 -08:00
Elliott Hughes
61fb3fc770 Prepare to switch to the uapi <linux/signal.h>.
<time.h> didn't need to copy the cruft from <signal.h>, and
<signal.h> only needs the uid_t hack when it's not using
uapi headers.

pthread_exit.cpp should include what it uses.

Change-Id: I836c36abe0f0a781d41fc425b249d1c7686bb124
2013-11-07 12:29:07 -08:00
Elliott Hughes
ed74484dcb Stop using the non-uapi <linux/err.h> header file.
We only need it for MAX_ERRNO, and it's time we had somewhere to put
the little assembler utility macros we've been putting off writing.

Change-Id: I9354d2e0dc47c689296a34b5b229fc9ba75f1a83
2013-11-07 10:31:05 -08:00
Elliott Hughes
7250d2e5b4 Remove pathconf's dependencies on non-uapi header files.
Change-Id: I597996e4b141b009916f7ad2866dd100e08aa4d3
2013-11-06 17:21:09 -08:00
Elliott Hughes
9be07fa527 Fix a TODO; we've had SOCK_CLOEXEC for a while now.
Change-Id: I4bc39b57f3c33441ead74127f576bf5a4e311566
2013-11-06 17:04:56 -08:00
Elliott Hughes
9e63e03d34 Merge "Clean up the 32-bit kernel support, fix LP64 fcntl declaration." 2013-11-07 01:02:55 +00:00
Elliott Hughes
062092543f Clean up the 32-bit kernel support, fix LP64 fcntl declaration.
In practice, thanks to all the registers the stubs don't actually change,
but it's confusing to have an incorrect declaration.

I suspect that fcntl remains broken for aarch64; it happens to work for
x86_64 because the first vararg argument gets placed in the right register
anyway, but I have no reason to believe that's true for aarch64.

This patch adds a unit test, though, so we'll be able to tell when we get
as far as running the unit tests.

Change-Id: I58dd0054fe99d7d51d04c22781d8965dff1afbf3
2013-11-06 16:33:39 -08:00
Ben Cheng
af10f9e927 Merge "Add processed uapi kernel headers for ARM." 2013-11-06 23:55:25 +00:00
Ben Cheng
a6b53f03c7 Add processed uapi kernel headers for ARM.
Change-Id: Id34de841b7b4b5a1bf7d22eb793860f92f24a6e5
2013-11-06 15:51:05 -08:00
Elliott Hughes
8fbf8deb34 Fix pread/pwrite for LP64.
Unlike on 32-bit systems where off_t is 32-bit, we don't want to
throw away the top 32 bits of an LP64 system's 64-bit off_t.

Change-Id: Ib2e0daeb4fc0b8ab3d1b983d0b371d8f81033b50
2013-11-06 13:10:37 -08:00
Elliott Hughes
40596aa005 Make cpp.py less braindead.
The old code ignored operator precedence (!), despite having two tables
of operator precedence. The code's still pretty awful, but I've cleaned
it up enough to fix this, the most important bug.

This patch lets us correctly clean the uapi unistd.h, stat.h, and swab.h files,
and also fixes the mess we were already making of various old kernel
header files. I've added a bunch more tests, fixed the existing tests that
the existing script was already failing (!), and changed the script so that
the tests are run every time the script is run.

We can probably remove some of the old kernel header files that we were
parsing incorrectly, but we can worry about that later.

Bug: 11253477
Change-Id: Ie66c65b3a7ae13b4e98ed8038a6a534f06eae0e5
2013-11-06 12:04:48 -08:00
Elliott Hughes
3503ce2177 Fix <sys/select.h> for LP64, clean up <time.h>.
The 64-bit uapi headers don't define FD_CLR and friends, so this
patch updates libc/kernel/common/linux/time.h after the change
b934bbec145e9e084bf48149a3a94ae3dd132157 in external/kernel-headers,
then fixes <sys/select.h> to work in this new world, and removes
some now-unnecessary duplication from <time.h> (with other cruft
cleaned up while I'm here).

Change-Id: Ifd26f901b4d200c65065b3e6ef1b74055127e052
2013-11-05 13:28:36 -08:00
Elliott Hughes
6fa79c5cf5 Remove unnecessary #include.
Change-Id: I99dade0b3803272ee29eba2ad36b0311f8a24c31
2013-11-05 11:59:06 -08:00
Scott Anderson
126f66a601 Refresh libc/kernel/common/linux/uinput.h
Change-Id: Icd830af5aee63276554ebf7bfe8192965209cc59
Signed-off-by: Scott Anderson <saa@google.com>
2013-10-31 15:45:32 -07:00
Elliott Hughes
66759d6041 Move the pthread debugging flags to the right place.
Change-Id: Ie805bd837d1f72cdf1818e056c0baeb0857e4e84
2013-10-31 14:09:39 -07:00
Elliott Hughes
c3f114037d <pthread.h> fixes and pthread cleanup.
<pthread.h> was missing nonnull attributes, noreturn on pthread_exit,
and had incorrect cv qualifiers for several standard functions.

I've also marked the non-standard stuff (where I count glibc rather
than POSIX as "standard") so we can revisit this cruft for LP64 and
try to ensure we're compatible with glibc.

I've also broken out the pthread_cond* functions into a new file.

I've made the remaining pthread files (plus ptrace) part of the bionic code
and fixed all the warnings.

I've added a few more smoke tests for chunks of untested pthread functionality.

We no longer need the libc_static_common_src_files hack for any of the
pthread implementation because we long since stripped out the rest of
the armv5 support, and this hack was just to ensure that __get_tls in libc.a
went via the kernel if necessary.

This patch also finishes the job of breaking up the pthread.c monolith, and
adds a handful of new tests.

Change-Id: Idc0ae7f5d8aa65989598acd4c01a874fe21582c7
2013-10-31 12:31:16 -07:00
Elliott Hughes
b5b97f20a8 Remove an obsolete ARM gdb hack.
Experiment shows that the claim in the makefile was false: gdb works fine
setting breakpoints in these functions when compiled without special treatment.

Change-Id: Ibdf4dd5a14d171c954b8c2089daaf28e1c310be9
2013-10-30 14:32:42 -07:00
Elliott Hughes
2f287bc728 Factor out some of the makefile cruft.
I really don't want to add yet another copy for aarch64.

Also sort arm, mips, and x86.

Also silence the "TARGET_ARCH_VARIANT" warning for non-ARM; Intel and MIPS
have both complained about it.

Change-Id: I32c592a90c0cf0cdae250d84035b3e4655543781
2013-10-29 16:59:54 -07:00
Elliott Hughes
2b6e43e00e Explain the sigprocmask in pthread_exit.
Also remove the SIGSEGV special case, which was probably because
hand-written __exit_with_stack_teardown stubs used to try to cause
SIGSEGV if the exit system call returned (which it never does, so
that dead code disappeared).

Also move the sigprocmask into the only case where it's necessary ---
the one where we unmap the stack that would be used by a signal
handler.

Change-Id: Ie40d20c1ae2f5e7125131b6b492cba7a2c6d08e9
2013-10-29 16:11:06 -07:00
Elliott Hughes
126405039e Update <sys/exec_elf.h> to include EM_AARCH64.
Upstream added the constant for us.

Change-Id: I197e32d2e5b3fd499d069546ccfcc1d35d65e0a0
2013-10-28 21:28:40 -07:00
Serban Constantinescu
65ca282ecd AArch64: Add support for AArch64 to stdlib/strtod.c
This patch adds support for AArch64 to strtod.c definitions.

Change-Id: I9491c4371d921c00e73ae169877a9a71225731fb
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
2013-10-28 16:24:51 -07:00
Serban Constantinescu
7f8863dc07 AArch64: Autogenerated syscalls for AArch64
This patch adds AArch64 syscalls, autogenerated using:
        ./libc/tools/gensyscalls.py

Change-Id: I1cc60430423ecb52a35448bf2c358b82136b2f16
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
2013-10-28 16:18:42 -07:00
Serban Constantinescu
feaa89a1bc AArch64: Add support for AArch64 to the syscall interface
This patch adds support for AArch64 to the syscall interface. The kernel
implementation exports a set of canonical syscalls, therefore some of
the userspace exported syscalls are implemented as stubs based on the
canonical set.

Change-Id: Ia965d71e97769b8be9d7655193fc40303964c4df
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
2013-10-28 16:16:34 -07:00
Elliott Hughes
60fd3450bf Fix the *rand48 functions on LP64.
I reported the mrand48 bug upstream, and 'matt' fixed the whole family
of functions!

Change-Id: I07fbc034e86499ce89599c3026a741738fd0cfc0
2013-10-28 15:24:26 -07:00
Elliott Hughes
74ce45972d Update <sys/exec_elf.h> to get the DF_* flags.
Change-Id: Ia9e785f6b95122f94ee3b01a312db1d5bb91a72e
2013-10-28 14:59:41 -07:00
Elliott Hughes
e4d792adb8 Don't allow text relocations on 64-bit.
I've also updated our <sys/exec_elf.h> to match upstream.

Change-Id: I52f9fce3167541811208d273ff23ceaa112f7135
2013-10-28 14:34:56 -07:00
Elliott Hughes
27586ebe1a Fix utime/utimes when passed a NULL pointer.
Bug: 11383777
Change-Id: If944a42f3adfa8a6ce91c167c249e009ed63300a
2013-10-28 13:21:06 -07:00
Elliott Hughes
3df3879bd6 Upgrade to tzdata2013h.
From the release notes:

  Changes affecting current and future time stamps:

    Libya has switched its time zone back to UTC+2 without DST,
    instead of UTC+1 with DST.  (Thanks to Even Scharning.)

    Western Sahara (Africa/El_Aaiun) uses Morocco's DST rules.
    (Thanks to Gwillim Law.)

  Changes affecting future time stamps:

    Acre and (we guess) western Amazonas will switch from UTC-4 to UTC-5
    on 2013-11-10.  This affects America/Rio_Branco and America/Eirunepe.
    (Thanks to Steffen Thorsen.)

    Add entries for DST transitions in Morocco in the year 2038.
    This avoids some year-2038 glitches introduced in 2013g.
    (Thanks to Yoshito Umaoka for reporting the problem.)

Change-Id: Ic855df19773e3fbf13b941b5bfa91dcee9e181e1
2013-10-28 09:38:00 -07:00
Elliott Hughes
6b53c2349a Fix the exit syscall stub's name.
I've left the exit_group syscall as _exit because otherwise we'd have to
convince the compiler that our _exit (which just calls __exit_group) is
actually "noreturn", and it seems like that would be less clean than just
cutting out the middleman.

We'll just have to trust ourselves not to add anything to SYSCALLS.TXT
that ought to be private but that only has a single leading underscore.
Hopefully we can manage that.

Change-Id: Iac47faea9f516186e1774381846c54cafabc4354
2013-10-24 22:41:50 -07:00
Elliott Hughes
bbefbf1a75 Merge "Use hidden visibility for generated stubs whose names begin with underscores." 2013-10-25 00:20:24 +00:00
Elliott Hughes
567a8de3ca Start moving 32-bit cruft somewhere it won't pollute 64-bit.
Change-Id: I03a6a50a5243f29e50fb58a3cf8b5e7198640baa
2013-10-24 17:14:55 -07:00
Elliott Hughes
fff6e272e9 Use hidden visibility for generated stubs whose names begin with underscores.
Change-Id: Idb39fd04b7a14114801624e744e76e0e7913d951
2013-10-24 17:03:20 -07:00
Elliott Hughes
bf425680e4 Let the compiler worry about implementing ffs(3).
It does at least as good a job as our old hand-written assembly anyway.

Change-Id: If7c4a1ac508bace0b71ee7b67808caa6eabf11d2
2013-10-24 16:29:40 -07:00
Elliott Hughes
f8dfb6f249 Merge "Remove dependencies on obsolete __ARCH_WANT_SYSCALL_DEPRECATED system calls." 2013-10-24 22:49:49 +00:00
Elliott Hughes
11952073af Remove dependencies on obsolete __ARCH_WANT_SYSCALL_DEPRECATED system calls.
(aarch64 kernels don't have these system calls.)

Change-Id: I6f64075aa412f71520f2df71c3d69b647f91c1ca
2013-10-24 15:48:32 -07:00
Ben Cheng
fcb37b876e Merge "Add __EXPORTED_HEADERS__ as predefined macro." 2013-10-23 22:47:21 +00:00
Ben Cheng
460fa7033b Add __EXPORTED_HEADERS__ as predefined macro.
To weed out stuff like this in uapi/linux/types.h

ifndef __EXPORTED_HEADERS__
warning "Attempt to use kernel headers from user space, see
http://kernelnewbies.org/KernelHeaders"
endif /* __EXPORTED_HEADERS__ */

Change-Id: I6506cea6248f7a3b44a839b98e91bdd0d3a6c4cd
2013-10-23 14:44:38 -07:00
Elliott Hughes
cdac5f73ac Merge "MIPS' pipe(2) is weird, but MIPS' pipe2(2) is the same as everyone else's." 2013-10-23 18:27:35 +00:00
Elliott Hughes
93de3d881d Fix header file dependencies.
MIPS' asm/fcntl.h assumes a bunch of __kernel_* types are already declared.

Change-Id: Iff701bbb5ede9667a78230c2de3a8f4fe41371c5
2013-10-23 11:25:54 -07:00
Elliott Hughes
b8cf18b4dd MIPS' pipe(2) is weird, but MIPS' pipe2(2) is the same as everyone else's.
arch/mips/kernel/syscall.c has a special sysm_pipe wrapper, but there's
no special treatment of pipe2 because it carries no historical baggage.

Change-Id: I892c0f690b21992c8a48276a9b732126f18fc0ee
2013-10-23 11:21:36 -07:00
Elliott Hughes
cac7b9d6ec Remove dependencies on obsolete __ARCH_WANT_SYSCALL_NO_FLAGS syscalls.
(aarch64 kernels only have the newer system calls.)

Also expose the new functionality that's exposed by glibc in our header files.

Change-Id: I45d2d168a03f88723d1f7fbf634701006a4843c5
2013-10-23 09:48:29 -07:00
Elliott Hughes
f8fcfbc85a Move away from the __ARCH_WANT_SYSCALL_NO_AT system calls.
Modern architectures only get the *at(2) system calls. For example,
aarch64 doesn't have open(2), and expects userspace to use openat(2)
instead.

Change-Id: I87b4ed79790cb8a80844f5544ac1a13fda26c7b5
2013-10-22 16:31:01 -07:00
Serban Constantinescu
debc021491 AArch64: Fix definitions for STDINT_LIMITS
This patches fixes the definitions for STDINT_LIMITS on __LP64__
systems.

Change-Id: I5eb1664e9ef7c303432a2b041c99cec663816b75
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
2013-10-22 12:40:16 -07:00
Elliott Hughes
8c39e58b6a Merge "Make sure we have a mkfifo symbol." 2013-10-22 19:03:57 +00:00
Elliott Hughes
594b1a4af2 Make sure we have a mkfifo symbol.
Bug: https://code.google.com/p/android/issues/detail?id=58888
Change-Id: Ic0a883a5f30beb82cb7be3c4e81b6d693d5fbb4d
2013-10-22 12:03:19 -07:00
Serban Constantinescu
7f70c9b64e AArch64: Fix uses of stack size for 32/64bit libc builds
This patch fixes stack size uses to size_t.

Change-Id: I0671c85ddb1c1aceaf9440a7c73c21fe528653fa
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
2013-10-22 12:01:29 -07:00
Pavel Chupin
33a209e575 Fix 16-byte stack alignment requirement for x86_64 ABI
Change-Id: I43304803ac54c8688c61688bd96c7160614172d4
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
2013-10-21 17:36:28 -07:00
Elliott Hughes
f4ac8ba566 Merge "Fix the x86_64 vfork implementation." 2013-10-21 21:20:51 +00:00
Elliott Hughes
53bfdae4ff Fix the x86_64 clone implementation.
Change-Id: Ia75f46dcb4d3222049e9a6a6fabc2b17223b47f7
2013-10-18 19:39:09 -07:00
Elliott Hughes
9ea4d5f3a8 Fix the x86_64 vfork implementation.
Change-Id: I599507f5058e6196dc2d5b5653d06d5135dd8ac1
2013-10-18 18:21:11 -07:00