| 7efad83d430f4d824f2aaa75edea5106f6ff8aae |
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09-Sep-2014 |
Elliott Hughes <enh@google.com> |
Ensure __set_errno is still visible on LP32.
The use of the .hidden directive to avoid going via the PLT for
__set_errno had the side-effect of actually making __set_errno
hidden (which is odd because assembler directives don't usually
affect symbols defined in a different file --- you can't even
create a weak reference to a symbol that's defined in a different
file).
This change switches the system call stubs over to a new always-hidden
__set_errno_internal and has a visible __set_errno on LP32 just for
binary compatibility with old NDK apps.
Bug: 17423135
Change-Id: I6b6d7a05dda85f923d22e5ffd169a91e23499b7b
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| e35fd48a832cddbedcf84773fd1922f735ae7829 |
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09-Aug-2014 |
Dan Albert <danalbert@google.com> |
Make __set_errno hidden in asm.
This fixes the build after the -Bsymbolic change.
Bug: 16853291
Change-Id: I989c9fec3c32e0289ea257a3bd2b7fd2709b6ce2
(cherry picked from commit bc9f9f25bf1247a6a638a2a2df8441bdd9fabad7)
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| 15a0456d0b7618554ed3d49287e77b6d43a2812a |
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06-Jun-2014 |
Elliott Hughes <enh@google.com> |
Remove unnecessary instructions from x86/x86_64 syscalls.
__set_errno returns -1 exactly so that callers don't need to bother.
The other architectures were already taking advantage of this, but
no one had ever fixed x86 and x86_64.
Change-Id: Ie131494be664f6c4a1bbf8c61bbbed58eac56122
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| 15b91e92a0bb4a15b4f2258bea332f4a67fa94d7 |
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30-May-2014 |
Christopher Ferris <cferris@google.com> |
Fix x86 cfi directives for syscalls.
The syscall generation always used 4 bytes for each push cfi directive.
However, the first push should always use an offset of 8 bytes, each
subsequent push after that is only 4 bytes though.
Change-Id: Ibaabd107f399ef67010b9a08213783957c2f74a9
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| e4bc7561219ddb7cfb7b33f731caa92a7766b9ca |
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07-Jan-2014 |
Christopher Ferris <cferris@google.com> |
Add cfi directives to x86 syscalls.
Modify the syscalls script to generate the cfi directives for x86
syscalls.
Update the x86 syscalls.
Change-Id: Ia1993dc714a7e79f917087fff8200e9a02c52603
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| ed74484dcbc2e156a6e5fa861a62425b12e55128 |
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07-Nov-2013 |
Elliott Hughes <enh@google.com> |
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
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| 103ccde8fe2f2c8abde914a8ba736b2e9cb8d20b |
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16-Oct-2013 |
Elliott Hughes <enh@google.com> |
Sort the syscalls.mk files, give all generated files the same header.
No non-comment changes to the .S files.
Change-Id: Iafcfd004c3ea92b64268f80ab16df615b97cefac
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| e4ffd9f2341f42c9281b4a93df76768580535edd |
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01-Oct-2013 |
Elliott Hughes <enh@google.com> |
Regenerate the system call stubs (to get x86_64).
This touches the x86 stubs too because arm, x86, and x86_64 now
all share the same header (at a source level), which causes a
reordering of the #include lines.
Change-Id: If9a1e2b2718bd41d8399fea748bce672c513ef84
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| 5c2772f59d3b6f564897187324d8606f54423207 |
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22-Mar-2013 |
Elliott Hughes <enh@google.com> |
The SYS_ constants should cover all __NR_ values.
<sys/linux-syscalls.h> only contains constants for the syscalls
we're generating stubs for. We want all the syscalls available
on the architecture in question.
Keep using <sys/linux-syscalls.h> on ARM for now because the
__NR_ARM_set_tls and __NR_ARM_cacheflush values aren't in <asm/unistd.h>.
Change-Id: I66683950d87d9b18d6107d0acc0ed238a4496f44
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| 9aceab50155b17741faded1fb22e2daa51a07fb1 |
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12-Mar-2013 |
Elliott Hughes <enh@google.com> |
Use the kernel's MAX_ERRNO in the syscall stubs.
Bug: http://code.google.com/p/android/issues/detail?id=53104
Change-Id: Iaabf7025b153e96dc5eca231a33a32d4cb7d8116
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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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| 5eb686d105ebd7cea332fd1ef0bb3af9386e19f7 |
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13-Jan-2012 |
Stephen Smalley <sds@tycho.nsa.gov> |
Add extended attribute (xattr) system call wrappers to bionic.
The xattr system calls are required for the SE Android userspace in
order to get and set file security contexts. In particular, libselinux
requires these calls.
Change-Id: I78f5eb3d8f3384aed0a5e7c6a6f001781d982017
|