| b2eb09a9ed9e08d9e49f4245d1959b2ca3fbaaf8 |
|
30-Aug-2014 |
Elliott Hughes <enh@google.com> |
Use __GNUC_PREREQ rather than __GNUC_PREREQ__ to match glibc.
Bug: 16874785
(cherry picked from commit e0c56efddf55ad40cb35b2c22e1dd9b4b50df159)
Change-Id: I9c922ba019f648766fc399d1c4e35e789e25acd4
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| e6c57fcb05b0dcbfa8129bb6f7d99093f4819370 |
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24-May-2014 |
Elliott Hughes <enh@google.com> |
Add C11 <stdatomic.h>.
Bug: 14903517
Change-Id: I631dbfdaa698cf7fea8e3b5e18a32586383e62a5
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| caa15bfe2d6c065d2caff48583f18351bd96915f |
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03-Apr-2014 |
Elliott Hughes <enh@google.com> |
Define __WORDSIZE like glibc.
Requested by Google Breakpad, but seems to be assumed to be defined
in various places in the AOSP tree already; iputils, wpa_supplicant,
et cetera.
Change-Id: I1f7833c98e0af4c77e49744c08b8239061c9a571
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| 8d60cc63163df81938305632e1b7474aeda17d52 |
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04-Feb-2014 |
Elliott Hughes <enh@google.com> |
Use __inline__ for fortify.
libunwind has #define inline /* empty */ which breaks our fortified headers.
glibc uses __inline but our BSD-derived headers often override that. __inline__
is the third alternative understood by GCC that -- as far as I know -- neither
the C library itself nor third-party code tries to mess with.
Bug: 12871594
Change-Id: I6677e70ea531bb7d4c46021b43af760d4ad8ecf7
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| c13fb75ceabb47f8292be206db80b93889fccf66 |
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18-Dec-2013 |
Elliott Hughes <enh@google.com> |
Move bionic over to GCC's 'warning' attribute.
This is a better solution than the old __warn_references because it's
a compile-time rather than link-time warning, it doesn't rely on something
that doesn't appear to be supported by gold (which is why you only used
to see these warnings on mips builds), and the errors refer to the exact
call site(s) rather than just telling you which object file contains a
reference to the bad function.
This is primarily so we can build bionic for aarch64; building libc.so
caused these warnings to fire (because link time is the wrong time) and
warnings are errors.
Change-Id: I5df9281b2a9d98b164a9b11807ea9472c6faa9e3
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| ab61eb366ac48addf2bca6093a34455193f5c8df |
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21-Nov-2013 |
Elliott Hughes <enh@google.com> |
Switch to upstream sleep(3) and usleep(3).
Also fix the signature of usleep, and the definition of useconds_t which
should be unsigned, as the 'u' in its name implies.
This patch also cleans up the existing FreeBSD hacks by moving the libm
stuff from <sys/cdefs.h> to a libm-private header, and adding comments
about the hacks we use to build FreeBSD source.
Change-Id: Ibe5067a380502df94a0a3a7901969b35411085b6
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| bd8e6749b78567af62ec126d7cc057386ebee25a |
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28-Aug-2013 |
Nick Kralevich <nnk@google.com> |
cdefs.h: introduce __bos0
Introduce __bos0 as a #define for __builtin_object_size((s), 0).
This macro is intended to be used for places where the standard
__bos macro isn't appropriate.
memcpy, memmove, and memset deliberately use __bos0. This is done
for two reasons:
1) I haven't yet tested to see if __bos is safe to use.
2) glibc uses __bos0 for these methods.
Change-Id: Ifbe02efdb10a72fe3529dbcc47ff647bde6feeca
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| 06040fd75c1edff9e5ffb2b3d3e2a6e66d57c11d |
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09-Jul-2013 |
Elliott Hughes <enh@google.com> |
Add <sys/statvfs.h>.
Bug: 2512019
Change-Id: I6e7fd3fa281977cc4bc270481a95416b5b2dc351
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| 16d1af167f8e36a9aa4a07ae77034ad519b00463 |
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17-Jun-2013 |
Nick Kralevich <nnk@google.com> |
libc: add limited FORTIFY_SOURCE support for clang
In 829c089f83ddee37203b52bcb294867a9ae7bdbc, we disabled all
FORTIFY_SOURCE support when compiling under clang. At the time,
we didn't have proper test cases, and couldn't easily create targeted
clang tests.
This change re-enables FORTIFY_SOURCE support under clang for a
limited set of functions, where we have explicit unittests available.
The functions are:
* memcpy
* memmove
* strcpy
* strncpy
* strcat
* strncat
* memset
* strlen (with modifications)
* strchr (with modifications)
* strrchr (with modifications)
It may be possible, in the future, to enable other functions. However,
I need to write unittests first.
For strlen, strchr, and strrchr, clang unconditionally calls the
fortified version of the relevant function. If it doesn't know the
size of the buffer it's dealing with, it passes in ((size_t) -1),
which is the largest possible size_t.
I added two new clang specific unittest files, primarily copied
from fortify?_test.cpp.
I've also rebuild the entire system with these changes, and didn't
observe any obvious problems.
Change-Id: If12a15089bb0ffe93824b485290d05b14355fcaa
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| b24c0637d06fe0980b9e13a8d0c3e6f4dbda9cd5 |
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18-Jun-2013 |
Nick Kralevich <nnk@google.com> |
libc: Introduce __errordecl()
Define __errordecl and replace __attribute__((__error__("foo")))
with __errordecl. Make sure __errordecl is a no-op on clang, as it
generates a compile time warning.
Change-Id: Ifa1a2d3afd6881de9d479fc2adac6737871a2949
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| d04c18397946f87ac4495351537c31a3d67257da |
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15-May-2013 |
Elliott Hughes <enh@google.com> |
Add more __restricts, clean up __format__ attributes.
Change-Id: I7e2d270cc722d339d221eaea92747eaff3b51403
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| 78d6d9888c24c50f65d694dc8283afdcb58db84c |
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30-Apr-2013 |
Nick Kralevich <nnk@google.com> |
libc: upgrade sprintf to _FORTIFY_SOURCE=2
Upgrade sprintf to fortify_source level 2, to catch
additional security bugs.
Change-Id: Ibc957d65e4cb96152de84b3745a04e00fa22659e
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| 1aae9bd170883805f2e7975cd3dbd2502b083cc1 |
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29-Apr-2013 |
Nick Kralevich <nnk@google.com> |
strncpy: implement _FORTIFY_SOURCE=2
Add support for fortify source level 2 to strncpy.
This will enable detection of more areas where strncpy
is used inappropriately. For example, this would have detected
bug 8727221.
Move the fortify_source tests out of string_test.cpp, and
put it into fortify1_test.cpp.
Create a new fortify2_test.cpp file, which copies all
the tests in fortify1_test.cpp, and adds fortify_source level
2 specific tests.
Change-Id: Ica0fba531cc7d0609e4f23b8176739b13f7f7a83
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| 890c8ed6ef773160cd6840a92e0d469fe530871f |
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22-Mar-2013 |
Elliott Hughes <enh@google.com> |
Fix builds where _FORTIFY_SOURCE is off.
Also add a more intention-revealing guard so we don't have loads of
places checking whether our inlining macro is defined.
Change-Id: I168860cedcfc798b07a5145bc48a125700265e47
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| 7582a9c119a4e4d0c306996b2513205889a9fb6c |
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07-Feb-2013 |
Elliott Hughes <enh@google.com> |
Switch x86 syscall stubs over to the ENTER/END style of the ARM stubs.
Also update the x86 asm.h to support this; we need it for libm assembler
anyway.
Also clean up the _FBSDID hack in <sys/cdefs.h>.
Change-Id: Iababd977b8110ec022bf7c93f4d62ece47630e7c
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| 24fad01755d33e6772ea3be56b702570bf257d55 |
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04-Feb-2013 |
Elliott Hughes <enh@google.com> |
Document the mallinfo struct, add missing attributes.
Change-Id: Ia97acce1f6a83bd8b3ba8dd20efd962bc96f35a9
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| a0ee07829a9ba7e99ef68e8c12551301cc797f0f |
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31-Jan-2013 |
Elliott Hughes <enh@google.com> |
Upgrade libm.
This brings us up to date with FreeBSD HEAD, fixes various bugs, unifies
the set of functions we support on ARM, MIPS, and x86, fixes "long double",
adds ISO C99 support, and adds basic unit tests.
It turns out that our "long double" functions have always been broken
for non-normal numbers. This patch fixes that by not using the upstream
implementations and just forwarding to the regular "double" implementation
instead (since "long double" on Android is just "double" anyway, which is
what BSD doesn't support).
All the tests pass on ARM, MIPS, and x86, plus glibc on x86-64.
Bug: 3169850
Bug: 8012787
Bug: https://code.google.com/p/android/issues/detail?id=6697
Change-Id: If0c343030959c24bfc50d4d21c9530052c581837
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| c1b44ecc5385e68e81667068e03b32c2084a85b1 |
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17-Oct-2012 |
David 'Digit' Turner <digit@android.com> |
Revert "libc: Provide ucontext_t/mcontext_t/<sys/ucontext.h>"
This creates build issues in the internal Android tree.
Will investigate later.
Original patch: https://android-review.googlesource.com/#/c/38875/
Change-Id: I12c5995ebf172890051af42a5d3b31014c9c5117
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| c124baaf29a948fd8b93e7f1fefc20b659271026 |
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12-Jul-2012 |
David 'Digit' Turner <digit@android.com> |
libc: Provide ucontext_t/mcontext_t/<sys/ucontext.h>
This patch updates the C library headers to provide ucontext_t
definitions for three architectures.
+ Fix <signal.h> to always define 'struct sigcontext'.
The new declarations are announced with new macros defined in
<sys/cdefs.h> in order to make it easier to adapt client code
that already defines its own, incompatible, versions of the
structures seen here.
http://code.google.com/p/android/issues/detail?id=34784
Change-Id: Ie78c48690a4ce61c50593f6c39639be7fead3596
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| 829c089f83ddee37203b52bcb294867a9ae7bdbc |
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29-Aug-2012 |
Nick Kralevich <nnk@google.com> |
disable _FORTIFY_SOURCE under clang
Clang and _FORTIFY_SOURCE are just plain incompatible with
each other. First of all, clang doesn't understand the
__attribute__((gnu_inline)) header. Second of all,
Clang doesn't have support for __builtin_va_arg_pack()
and __builtin_va_arg_pack_len() (see
http://clang.llvm.org/docs/UsersManual.html#c_unimpl_gcc)
Until we can resolve these issues, don't even try using
_FORTIFY_SOURCE under clang.
Change-Id: I81c2b8073bb3276fa9a4a6b93c427b641038356a
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| 5fec211f6064adaff361c051a627198157b2c37b |
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04-Aug-2012 |
Shih-wei Liao <sliao@google.com> |
Revert "Fix the clang build: this compiler doesn't support the gnu_inline function attribute"
This reverts commit 4f1f149c3757c594f9ff987e5ddd919c3e7dba10.
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| 2b7f68c03df9df33708280cf3f5e8f5eba81dda6 |
|
04-Aug-2012 |
Shih-wei Liao <sliao@google.com> |
Revert "Fix the clang build: this compiler doesn't support the gnu_inline function attribute"
This reverts commit 4f1f149c3757c594f9ff987e5ddd919c3e7dba10.
|
| 4f1f149c3757c594f9ff987e5ddd919c3e7dba10 |
|
03-Aug-2012 |
Shih-wei Liao <sliao@google.com> |
Fix the clang build: this compiler doesn't support the gnu_inline function attribute
Recent clang compiler doesn't have gnu_inline working. When frameworks/rs
is compiled with clang instead of gcc, it no longer works. Will be fixed
by this patch.
Change-Id: I8b281a1305151909e18958b73914ea27343cb4cd
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| 9b6cc223a36835c4367a036d4cfeff14d25bc742 |
|
13-Jul-2012 |
Nick Kralevich <nnk@google.com> |
FORTIFY_SOURCE: introduce __BIONIC_FORTIFY_UNKNOWN_SIZE macro
Replace all occurances of "(size_t) -1" with a
__BIONIC_FORTIFY_UNKNOWN_SIZE macro.
Change-Id: I0b188f6cf31417d2dbef0e1bd759de3f9782873a
|
| 71a18dd435e96564539b5af71b8ea5093a2109a1 |
|
07-Jun-2012 |
Nick Kralevich <nnk@google.com> |
_FORTIFY_SOURCE: add memset / bzero support
Add _FORTIFY_SOURCE support for the following functions:
* memset
* bzero
Move the __BIONIC_FORTIFY_INLINE definition to cdefs.h so it
can be used from multiple header files.
Change-Id: Iead4d5e35de6ec97786d58ee12573f9b11135bb7
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| a677907ee8ecca034318fdb97902fa73e7392c4f |
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21-Mar-2012 |
Nick Kralevich <nnk@google.com> |
string.h: add __attribute__ ((pure)) to string functions
cdefs.h: Introduce the __purefunc attribute, which allows us to mark
certain functions as being "pure".
http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html
Many functions have no effects except the return value and their
return value depends only on the parameters and/or global variables.
Such a function can be subject to common subexpression elimination
and loop optimization just as an arithmetic operator would be.
string.h: Mark many commently used string functions as "pure", to
allow for additional compiler optimizations.
Change-Id: I42961f90f822b6dbcbc3fd72cdbe774a7adc8785
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| 8eda21baa54977e4d164a4174d06b6aa12115fb1 |
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17-Mar-2011 |
David 'Digit' Turner <digit@android.com> |
libc: <sys/cdefs.h>: Fix the use of __STDC_VERSION__ from C++
See http://code.google.com/p/android/issues/detail?id=14627 for context.
Change-Id: Idb10b675667d0d6e64dcb1d382be11e45aa6f4c4
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| 23d24394e72715ddf580726655c8ba3fbcf11bfe |
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06-Dec-2010 |
David 'Digit' Turner <digit@google.com> |
libc: Add <android/api-level.h>
Add a new header that defines __ANDROID_API__ as a constant integer
corresponding to the current native API level. This header is included
by <sys/cdefs.h>
Change-Id: Ib4774e247b395991266245815a24292afc919848
NOTE: This header is already provided by the NDK's platform headers.
for levels 3 to 9.
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| 50ace4fec5e8cb5afcbc656a4556fa528adfd760 |
|
17-Jun-2010 |
David 'Digit' Turner <digit@google.com> |
Remove compiler warnings when building Bionic.
Also add missing declarations to misc. functions.
Fix clearerr() implementation (previous was broken).
Handle feature test macros like _POSIX_C_SOURCE properly.
Change-Id: Icdc973a6b9d550a166fc2545f727ea837fe800c4
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| 3527fd6f0df794207215790321824b7844cc712d |
|
15-Jun-2010 |
David 'Digit' Turner <digit@google.com> |
wchar.h: improve wchar_t support in Bionic
Change-Id: Iffd41046fd0933c66542abf7627a1569522dfcb2
|
| 1dc9e472e19acfe6dc7f41e429236e7eef7ceda1 |
|
04-Mar-2009 |
The Android Open Source Project <initial-contribution@android.com> |
auto import from //depot/cupcake/@135843
|
| 1767f908af327fa388b1c66883760ad851267013 |
|
04-Mar-2009 |
The Android Open Source Project <initial-contribution@android.com> |
auto import from //depot/cupcake/@135843
|
| a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 |
|
21-Oct-2008 |
The Android Open Source Project <initial-contribution@android.com> |
Initial Contribution
|