Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160527' into staging

linux-user pull request v2 for may 2016

# gpg: Signature made Fri 27 May 2016 12:51:10 BST using RSA key ID DE

Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160527' into staging

linux-user pull request v2 for may 2016

# gpg: Signature made Fri 27 May 2016 12:51:10 BST using RSA key ID DE3C9BC0
# gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>"
# gpg: aka "Riku Voipio <riku.voipio@linaro.org>"

* remotes/riku/tags/pull-linux-user-20160527: (38 commits)
linux-user,target-ppc: fix use of MSR_LE
linux-user/signal.c: Use s390 target space address instead of host space
linux-user/signal.c: Use target address instead of host address for microblaze restorer
linux-user/signal.c: Generate opcode data for restorer in setup_rt_frame
linux-user: arm: Remove ARM_cpsr and similar #defines
linux-user: Use direct syscalls for setuid(), etc
linux-user: x86_64: Don't use 16-bit UIDs
linux-user: Use g_try_malloc() in do_msgrcv()
linux-user: Handle msgrcv error case correctly
linux-user: Handle negative values in timespec conversion
linux-user: Use safe_syscall for futex syscall
linux-user: Use safe_syscall for pselect, select syscalls
linux-user: Use safe_syscall for execve syscall
linux-user: Use safe_syscall for wait system calls
linux-user: Use safe_syscall for open and openat system calls
linux-user: Use safe_syscall for read and write system calls
linux-user: Provide safe_syscall for fixing races between signals and syscalls
linux-user: Add debug code to exercise restarting system calls
linux-user: Support for restarting system calls for Microblaze targets
linux-user: Set r14 on exit from microblaze syscall
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

linux-user: Provide safe_syscall for fixing races between signals and syscalls

If a signal is delivered immediately before a blocking system call the
handler will only be called after the system cal

linux-user: Provide safe_syscall for fixing races between signals and syscalls

If a signal is delivered immediately before a blocking system call the
handler will only be called after the system call returns, which may be a
long time later or never.

This is fixed by using a function (safe_syscall) that checks if a guest
signal is pending prior to making a system call, and if so does not call the
system call and returns -TARGET_ERESTARTSYS. If a signal is received between
the check and the system call host_signal_handler() rewinds execution to
before the check. This rewinding has the effect of closing the race window
so that safe_syscall will reliably either (a) go into the host syscall
with no unprocessed guest signals pending or or (b) return
-TARGET_ERESTARTSYS so that the caller can deal with the signals.
Implementing this requires a per-host-architecture assembly language
fragment.

This will also resolve the mishandling of the SA_RESTART flag where
we would restart a host system call and not call the guest signal handler
until the syscall finally completed -- syscall restarting now always
happens at the guest syscall level so the guest signal handler will run.
(The host syscall will never be restarted because if the host kernel
rewinds the PC to point at the syscall insn for a restart then our
host_signal_handler() will see this and arrange the guest PC rewind.)

This commit contains the infrastructure for implementing safe_syscall
and the assembly language fragment for x86-64, but does not change any
syscalls to use it.

Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Message-id: 1441497448-32489-14-git-send-email-T.E.Baldwin99@members.leeds.ac.uk
[PMM:
* Avoid having an architecture if-ladder in configure by putting
linux-user/host/$(ARCH) on the include path and including
safe-syscall.inc.S from it
* Avoid ifdef ladder in signal.c by creating new hostdep.h to hold
host-architecture-specific things
* Added copyright/license header to safe-syscall.inc.S
* Rewrote commit message
* Added comments to safe-syscall.inc.S
* Changed calling convention of safe_syscall() to match syscall()
(returns -1 and host error in errno on failure)
* Added a long comment in qemu.h about how to use safe_syscall()
to implement guest syscalls.
]
RV: squashed Peters "fixup! linux-user: compile on non-x86-64 hosts"
patch
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

NEED_CPU_H cleanups, big enough to deserve their own pull request.

# gpg: Signature made Thu 19 May 2016 15:42:37 BST u

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

NEED_CPU_H cleanups, big enough to deserve their own pull request.

# gpg: Signature made Thu 19 May 2016 15:42:37 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (52 commits)
hw: clean up hw/hw.h includes
hw: remove pio_addr_t
cpu: move exec-all.h inclusion out of cpu.h
exec: extract exec/tb-context.h
hw: explicitly include qemu/log.h
mips: move CP0 functions out of cpu.h
arm: move arm_log_exception into .c file
qemu-common: push cpu.h inclusion out of qemu-common.h
acpi: do not use TARGET_PAGE_SIZE
s390x: reorganize CSS bits between cpu.h and other headers
dma: do not depend on kvm_enabled()
gdbstub: remove unnecessary includes from gdbstub-xml.c
qemu-common: stop including qemu/host-utils.h from qemu-common.h
qemu-common: stop including qemu/bswap.h from qemu-common.h
cpu: move endian-dependent load/store functions to cpu-all.h
hw: cannot include hw/hw.h from user emulation
hw: move CPU state serialization to migration/cpu.h
hw: do not use VMSTATE_*TL
include: poison symbols in osdep.h
apic: move target-dependent definitions to cpu.h
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

cpu: move exec-all.h inclusion out of cpu.h

exec-all.h contains TCG-specific definitions. It is not needed outside
TCG-specific files such as translate.c, exec.c or *helper.c.

One generic function

cpu: move exec-all.h inclusion out of cpu.h

exec-all.h contains TCG-specific definitions. It is not needed outside
TCG-specific files such as translate.c, exec.c or *helper.c.

One generic function had snuck into include/exec/exec-all.h; move it to
include/qom/cpu.h.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160225' into staging

Second pull req with getrandom fix

# gpg: Signature made Thu 25 Feb 2016 10:57:42 GMT using RSA key ID DE3C9BC

Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160225' into staging

Second pull req with getrandom fix

# gpg: Signature made Thu 25 Feb 2016 10:57:42 GMT using RSA key ID DE3C9BC0
# gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>"
# gpg: aka "Riku Voipio <riku.voipio@linaro.org>"

* remotes/riku/tags/pull-linux-user-20160225:
linux-user: add getrandom() syscall
linux-user: correct timerfd_create syscall numbers
linux-user: remove unavailable syscalls from aarch64
linux-user: sync syscall numbers with kernel
linux-user: Don't assert if guest tries shmdt(0)
linux-user: set ppc64/ppc64le default CPU to POWER8
build: [linux-user] Rename "syscall.h" to "target_syscall.h" in target directories
linux-user: fix realloc size of target_fd_trans.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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build: [linux-user] Rename "syscall.h" to "target_syscall.h" in target directories

This fixes double-definitions in linux-user builds when using the UST
tracing backend (which indirectly includes th

build: [linux-user] Rename "syscall.h" to "target_syscall.h" in target directories

This fixes double-definitions in linux-user builds when using the UST
tracing backend (which indirectly includes the system's "syscall.h").

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

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all: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-b

all: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>

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Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20151002' into staging

First set of Linux-user que patches for 2.5

# gpg: Signature made Fri 02 Oct 2015 13:38:00 BST using RSA key I

Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20151002' into staging

First set of Linux-user que patches for 2.5

# gpg: Signature made Fri 02 Oct 2015 13:38:00 BST using RSA key ID DE3C9BC0
# gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>"
# gpg: aka "Riku Voipio <riku.voipio@linaro.org>"

* remotes/riku/tags/pull-linux-user-20151002:
linux-user: assert that target_mprotect cannot fail
linux-user/signal.c: Use setup_rt_frame() instead of setup_frame() for target openrisc
linux-user/syscall.c: Add EAGAIN to host_to_target_errno_table for
linux-user: add name_to_handle_at/open_by_handle_at
linux-user: Return target error number in do_fork()
linux-user: fix cmsg conversion in case of multiple headers
linux-user: remove MAX_ARG_PAGES limit
linux-user: remove unused image_info members
linux-user: Treat --foo options the same as -foo
linux-user: use EXIT_SUCCESS and EXIT_FAILURE
linux-user: Add proper error messages for bad options
linux-user: Add -help
linux-user: Exit 0 when -h is used

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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linux-user: remove MAX_ARG_PAGES limit

Instead of creating a temporary copy for the whole environment and
the arguments, directly copy everything to the target stack.

For this to work, we have to c

linux-user: remove MAX_ARG_PAGES limit

Instead of creating a temporary copy for the whole environment and
the arguments, directly copy everything to the target stack.

For this to work, we have to change the order of stack creation and
copying the arguments.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

show more ...

linux-user: remove unused image_info members

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Riku Voipio <riku.voipio@

linux-user: remove unused image_info members

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

show more ...

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Support for jemalloc
* qemu_mutex_lock_iothread "No such process" fix
* cutils: qemu_strto* wrappers
* iohandler.c sim

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Support for jemalloc
* qemu_mutex_lock_iothread "No such process" fix
* cutils: qemu_strto* wrappers
* iohandler.c simplification
* Many other fixes and misc patches.

And some MTTCG work (with Emilio's fixes squashed):
* Signal-free TCG kick
* Removing spinlock in favor of QemuMutex
* User-mode emulation multi-threading fixes/docs

# gpg: Signature made Thu 10 Sep 2015 09:03:07 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (44 commits)
cutils: work around platform differences in strto{l,ul,ll,ull}
cpu-exec: fix lock hierarchy for user-mode emulation
exec: make mmap_lock/mmap_unlock globally available
tcg: comment on which functions have to be called with mmap_lock held
tcg: add memory barriers in page_find_alloc accesses
remove unused spinlock.
replace spinlock by QemuMutex.
cpus: remove tcg_halt_cond and tcg_cpu_thread globals
cpus: protect work list with work_mutex
scripts/dump-guest-memory.py: fix after RAMBlock change
configure: Add support for jemalloc
add macro file for coccinelle
configure: factor out adding disas configure
vhost-scsi: fix wrong vhost-scsi firmware path
checkpatch: remove tests that are not relevant outside the kernel
checkpatch: adapt some tests to QEMU
CODING_STYLE: update mixed declaration rules
qmp: Add example usage of strto*l() qemu wrapper
cutils: Add qemu_strtoull() wrapper
cutils: Add qemu_strtoll() wrapper
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

exec: make mmap_lock/mmap_unlock globally available

There is some iffy lock hierarchy going on in translate-all.c. To
fix it, we need to take the mmap_lock in cpu-exec.c. Make the
functions global

exec: make mmap_lock/mmap_unlock globally available

There is some iffy lock hierarchy going on in translate-all.c. To
fix it, we need to take the mmap_lock in cpu-exec.c. Make the
functions globally available.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/riku/linux-user-for-upstream' into staging

* remotes/riku/linux-user-for-upstream:
User mode support for Linux ELF files with no section header
linux-user:

Merge remote-tracking branch 'remotes/riku/linux-user-for-upstream' into staging

* remotes/riku/linux-user-for-upstream:
User mode support for Linux ELF files with no section header
linux-user: Return correct errno for unsupported netlink socket
linux-user: Don't overrun guest buffer in sched_getaffinity
linux-user/uname: Return correct uname string for x86_64
linux-user: fix gcc-4.9 compiler error on __{get,put]}_user
signal/ppc/do_setcontext remove __get_user return check
signal/sparc64_set_context: remove __get_user checks
signal/ppc/{save,restore}_user_regs remove __put/get error checks
signal/all/setup_frame remove __put_user checks
signal/all/do_sigreturn - remove __get_user checks
signal/all/do_sigaltstack remove __get_user value check
signal/sparc/restore_fpu_state: remove
signal/all: remove return value from restore_sigcontext
signal/all: remove return value from setup_sigcontext
signal/all: remove return value from copy_siginfo_to_user
signal/x86/setup_frame: __put_user cleanup
signal/all: remove __get/__put_user return value reading

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

linux-user: fix gcc-4.9 compiler error on __{get,put]}_user

gcc-4.9 finds unused operand:

linux-user/syscall.c: In function ‘host_to_target_stat64’:
linux-user/qemu.h:301:19: error: right-hand oper

linux-user: fix gcc-4.9 compiler error on __{get,put]}_user

gcc-4.9 finds unused operand:

linux-user/syscall.c: In function ‘host_to_target_stat64’:
linux-user/qemu.h:301:19: error: right-hand operand of comma expression
has no effect [-Werror=unused-value]
((hptr), (x)), 0)

Just removing the rh operand is no good, it will error in later:

linux-user/main.c: In function ‘arm_kernel_cmpxchg64_helper’:
linux-user/qemu.h:330:15: error: void value not ignored as it ought to be
__ret = __put_user((x), __hptr); \

Thus, remove setting __ret from __get_user and __put_user, as and
set the right hand operand to (void)0 to make it clear that these
return never nothing.

This commit depends on the signal.c cleanup, to ensure bisectable
version history.

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Cc: Richard Henderson <rth@twiddle.net>

show more ...

Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging

* remotes/bonzini/softmmu-smap: (33 commits)
target-i386: cleanup x86_cpu_get_phys_page_debug
target-i386: fix protection

Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging

* remotes/bonzini/softmmu-smap: (33 commits)
target-i386: cleanup x86_cpu_get_phys_page_debug
target-i386: fix protection bits in the TLB for SMEP
target-i386: support long addresses for 4MB pages (PSE-36)
target-i386: raise page fault for reserved bits in large pages
target-i386: unify reserved bits and NX bit check
target-i386: simplify pte/vaddr calculation
target-i386: raise page fault for reserved physical address bits
target-i386: test reserved PS bit on PML4Es
target-i386: set correct error code for reserved bit access
target-i386: introduce support for 1 GB pages
target-i386: introduce do_check_protect label
target-i386: tweak handling of PG_NX_MASK
target-i386: commonize checks for PAE and non-PAE
target-i386: commonize checks for 4MB and 4KB pages
target-i386: commonize checks for 2MB and 4KB pages
target-i386: fix coding standards in x86_cpu_handle_mmu_fault
target-i386: simplify SMAP handling in MMU_KSMAP_IDX
target-i386: fix kernel accesses with SMAP and CPL = 3
target-i386: move check_io helpers to seg_helper.c
target-i386: rename KSMAP to KNOSMAP
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

softmmu: introduce cpu_ldst.h

This will collect all load and store helpers soon. For now
it is just a replacement for softmmu_exec.h, which this patch
stops including directly, but we also include

softmmu: introduce cpu_ldst.h

This will collect all load and store helpers soon. For now
it is just a replacement for softmmu_exec.h, which this patch
stops including directly, but we also include it where this will
be necessary in order to simplify the next patch.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Merge remote-tracking branch 'remotes/riku/linux-user-for-upstream' into staging

* remotes/riku/linux-user-for-upstream:
linux-user: Implement capget, capset
linux-user: Don't allow guest to blo

Merge remote-tracking branch 'remotes/riku/linux-user-for-upstream' into staging

* remotes/riku/linux-user-for-upstream:
linux-user: Implement capget, capset
linux-user: Don't allow guest to block SIGSEGV
signal: added a wrapper for sigprocmask function
linux-user: Don't reserve space for commpage for AArch64
linux-user: implement F_[GS]ETOWN_EX
linux-user: Don't return uninitialized value for atomic_barrier syscall
linux-user/signal.c: Correct error path for AArch64 do_rt_sigreturn

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

linux-user: Don't allow guest to block SIGSEGV

Don't allow the linux-user guest to block SIGSEGV -- QEMU needs this
signal to detect accesses to pages which it has marked read-only
because it has ca

linux-user: Don't allow guest to block SIGSEGV

Don't allow the linux-user guest to block SIGSEGV -- QEMU needs this
signal to detect accesses to pages which it has marked read-only
because it has cached translated code from them.

We implement this by making the do_sigprocmask() wrapper suppress
SIGSEGV when doing the host process signal mask manipulation; instead
we store the current state of SIGSEGV in the TaskState struct.

If we get a SIGSEGV for the guest when the guest has blocked the
signal, we treat it as if the default SEGV handler was in place,
as the kernel does for forced SIGSEGV delivery.

This patch is based on an idea by Alex Barcelo, but rather than
simply lying to the guest about the SIGSEGV state we track it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Alex Barcelo <abarcelo@ac.upc.edu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

show more ...

signal: added a wrapper for sigprocmask function

Create a wrapper for signal mask changes initiated by the guest;
(this includes syscalls and also the sigreturns from signal.c)
this will give us a p

signal: added a wrapper for sigprocmask function

Create a wrapper for signal mask changes initiated by the guest;
(this includes syscalls and also the sigreturns from signal.c)
this will give us a place to put code which prevents the guest
from changing the handling of signals used by QEMU itself
internally.

The wrapper is called from all the guest-initiated sigprocmask, but
is not called from internal qemu sigprocmask calls.

Signed-off-by: Alex Barcelo <abarcelo@ac.upc.edu>
[PMM: Added calls to wrapper for sigprocmask uses in signal.c
when setting the signal mask on entry and exit from signal
handlers, since these also are guest-provided signal masks.]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

show more ...

Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

* riku/linux-user-for-upstream:
linux-user: Remove regs parameter of load_elf_binary and load_flt_binary
linux-user: Supp

Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

* riku/linux-user-for-upstream:
linux-user: Remove regs parameter of load_elf_binary and load_flt_binary
linux-user: Support the accept4 socketcall

Message-id: 1389364137-23287-1-git-send-email-riku.voipio@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>

show more ...

linux-user: Remove regs parameter of load_elf_binary and load_flt_binary

The regs parameter is not used anywhere, so remove it.

Signed-off-by: Will Newton <will.newton@linaro.org>
Reviewed-by: Erik

linux-user: Remove regs parameter of load_elf_binary and load_flt_binary

The regs parameter is not used anywhere, so remove it.

Signed-off-by: Will Newton <will.newton@linaro.org>
Reviewed-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

show more ...

Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

# By Erik de Castro Lopo (2) and others
# Via Riku Voipio
* riku/linux-user-for-upstream:
linux-user: pass correct paramete

Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

# By Erik de Castro Lopo (2) and others
# Via Riku Voipio
* riku/linux-user-for-upstream:
linux-user: pass correct parameter to do_shmctl()
linux-user: create target_structs header to place ipc_perm and shmid_ds
flatload: fix non-GOT relocations
linux-user: Implement handling of 5 POSIX timer syscalls.
linux-user: Add target struct defs needed for POSIX timer syscalls.

Message-id: cover.1385732338.git.riku.voipio@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>

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linux-user: create target_structs header to place ipc_perm and shmid_ds

Creating target_structs header in linux-user/$arch/ and making
target_ipc_perm and target_shmid_ds its first inhabitants.
The

linux-user: create target_structs header to place ipc_perm and shmid_ds

Creating target_structs header in linux-user/$arch/ and making
target_ipc_perm and target_shmid_ds its first inhabitants.
The struct defintions may/should be further fine-tuned by arch maintainers.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

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linux-user: add support of binfmt_misc 'O' flag

The binfmt_misc module can calculate the credentials and security
token according to the binary instead of to the interpreter if the
'C' flag is enabl

linux-user: add support of binfmt_misc 'O' flag

The binfmt_misc module can calculate the credentials and security
token according to the binary instead of to the interpreter if the
'C' flag is enabled.

To be able to execute non-readable binaries, this flag implies 'O'
flag. When 'O' flag is enabled, bintfmt_misc opens the file for
reading and pass the file descriptor to the interpreter.

References:
linux/Documentation/binfmt_misc.txt ['O' and 'C' description]
linux/fs/binfmt_misc.c linux/fs/binfmt_elf.c [ AT_EXECFD usage ]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

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Merge remote-tracking branch 'mjt/trivial-patches' into staging

# By Stefan Weil (8) and others
# Via Michael Tokarev
* mjt/trivial-patches:
tests/.gitignore: ignore test-throttle
exec: Fix brok

Merge remote-tracking branch 'mjt/trivial-patches' into staging

# By Stefan Weil (8) and others
# Via Michael Tokarev
* mjt/trivial-patches:
tests/.gitignore: ignore test-throttle
exec: Fix broken build for MinGW (regression)
kvm: Fix compiler warning (clang)
tcg-sparc: Fix parenthesis warning
Makefile: Remove some more files when cleaning
target-i386: Fix segment cache dump
iov: avoid "orig_len may be used unitialized" warning
vscclient: remove unnecessary use of uninitialized variable
trace-events: Clean up with scripts/cleanup-trace-events.pl again
tci: Fix qemu-alpha on 32 bit hosts (wrong assertions)
*-user: Improve documentation for lock_user function
MAINTAINERS: Add missing entry to filelist for TCI target
translate-all: Fix formatting of dump output
*-user: Fix typo in comment (ulocking -> unlocking)
docs: Fix IO port number for CPU present bitmap.
q35: Fix typo in constant DEFUALT -> DEFAULT.
configure: Undefine _FORTIFY_SOURCE prior using it

Message-id: 1379696296-32105-1-git-send-email-mjt@msgid.tls.msk.ru

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