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2014-06-18target-mips: implement UserLocal RegisterPetar Jovanovic1-1/+1
From MIPS documentation (Volume III): UserLocal Register (CP0 Register 4, Select 2) Compliance Level: Recommended. The UserLocal register is a read-write register that is not interpreted by the hardware and conditionally readable via the RDHWR instruction. This register only exists if the Config3-ULRI register field is set. Privileged software may write this register with arbitrary information and make it accessible to unprivileged software via register 29 (ULR) of the RDHWR instruction. To do so, bit 29 of the HWREna register must be set to a 1 to enable unprivileged access to the register. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2014-06-17linux-user: Return correct errno for unsupported netlink socketEd Swierk1-1/+1
This fixes "Cannot open audit interface - aborting." when the EAFNOSUPPORT errno differs between the target and host architectures (e.g. mips target and x86_64 host). Signed-off-by: Ed Swierk <eswierk@skyportsystems.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-06-17linux-user: Don't overrun guest buffer in sched_getaffinityPeter Maydell1-0/+16
If the guest's "long" type is smaller than the host's, then our sched_getaffinity wrapper needs to round the buffer size up to a multiple of the host sizeof(long). This means that when we copy the data back from the host buffer to the guest's buffer there might be more than we can fit. Rather than overflowing the guest's buffer, handle this case by returning EINVAL or ignoring the unused extra space, as appropriate. Note that only guests using the syscall interface directly might run into this bug -- the glibc wrappers around it will always use a buffer whose size is a multiple of 8 regardless of guest architecture. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-05linux-user: fix getrusage and wait4 failures with invalid rusage structPetar Jovanovic1-3/+8
Implementations of system calls getrusage and wait4 have not previously handled correctly cases when incorrect address of struct rusage is passed. This change makes sure return values are correctly set for these cases. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-02linux-user: move uname functions to uname.cRiku Voipio1-102/+0
Make syscall.c slightly smaller by moving uname-related functions to uname.c. Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-02linux-user: rename cpu-uname -> unameRiku Voipio1-1/+1
To move more uname related functions out of syscall.c, rename cpu-uname.{c,h} to uname.{c.h} Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-02linux-user: avoid using glibc internals in _syscall5 and in definition of ↵Natanael Copa1-1/+1
target_sigevent struct Use the public sigset_t instead of the glibc specific internal __sigset_t in _syscall. Calculate the sigevent pad size is calculated in similar way as kernel does it instead of using glibc internal field _pad. This is needed for building with musl libc. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2014-05-02linux-user: Handle arches with llseek instead of _llseekJames Hogan1-0/+5
Recently merged kernel ports (such as OpenRISC and Meta) have an llseek system call instead of _llseek. This is handled for the host architecture by defining __NR__llseek as __NR_llseek, but not for the target architecture. Handle it in the same way for these architectures, defining TARGET_NR__llseek as TARGET_NR_llseek. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Jia Liu <proljc@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-02linux-user: Add support for SCM_CREDENTIALS.Huw Davies1-0/+11
Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-02linux-user: Move if-elses to a switch statement.Huw Davies1-18/+33
This makes adding more message types cleaner. Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-05-02linux-user: Add /proc/self/exe open forwardingMaxim Ostapenko1-0/+5
QEMU already supports /proc/self/{maps,stat,auxv} so addition of /proc/self/exe is rather trivial. Fixes https://bugs.launchpad.net/qemu/+bug/1299190 Signed-off-by: Maxim Ostapenko <m.ostapenko@partner.samsung.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-04-01linux-user: pass correct host flags to accept4()Petar Jovanovic1-2/+5
Flags NONBLOCK and CLOEXEC can have different values on the host and the guest, so set correct host values before calling accept4(). This fixes several issues with accept4 system call and user-mode of QEMU. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-03-19linux-user: Fix build if headers don't define _LINUX_CAPABILITY_VERSION_1Peter Maydell1-1/+1
Older kernel headers don't define _LINUX_CAPABILITY_VERSION_1. Switch to using the older _LINUX_CAPABILITY_VERSION; newer headers still define this for source compatibility. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Acked-by: Riku Voipio <riku.voipio@iki.fi>
2014-03-17linux-user: Implement capget, capsetPeter Maydell1-2/+73
Implement the capget and capset syscalls. This is useful because simple programs like 'ls' try to use it in AArch64, and otherwise we emit a lot of noise about it being unimplemented. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-03-17signal: added a wrapper for sigprocmask functionAlex Barcelo1-7/+7
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>
2014-03-17linux-user: implement F_[GS]ETOWN_EXAndreas Schwab1-0/+36
F_GETOWN is replaced by F_GETOWN_EX inside the glibc fcntl wrapper Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-03-17linux-user: Don't return uninitialized value for atomic_barrier syscallPeter Maydell1-0/+1
QEMU's implementation of the m68k atomic_barrier syscall, like the kernel's, is just a no-op. However we still need to return a result code from it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-03-13cpu: Move opaque field from CPU_COMMON to CPUStateAndreas Färber1-12/+18
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-03linux-user: translate signal number on return from sigtimedwaitPetar Jovanovic1-5/+11
On success, sigtimedwait() returns a signal number that needs to be translated from a host value to a target value. This change also fixes issues with sigwait (that is implemented using sigtimedwait()). Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-03linux-user: Implement sendmmsg syscallAlexander Graf1-10/+76
Glibc when built for newer kernels assumes that the sendmmsg syscall is available. Without it, dns resolution simply fails to work. Wrap the syscall with existing infrastructure so that we don't have a host dependency on sendmmsg. To avoid locking the same area of guest memory twice (which will break if DEBUG_REMAP is defined) we pull the lock/unlock part of do_sendrecvmsg() out into its own function so the actual implementation can be shared. Signed-off-by: Alexander Graf <agraf@suse.de> [PMM: add recvmmsg support; handle errors (which also implies support for non-blocking operations); cap the vector length as the kernel implementation does; don't lock guest memory twice; support MSG_WAITFORONE flag] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-03-03linux-user: Fix getresuid, getresgid if !USE_UID16Peter Maydell1-6/+12
The size of the UID/GID types depends on whether USE_UID16 is defined. Define a new put_user_id() which writes a uid/gid type to guest memory. This fixes getresuid and getresgid, which were always storing 16 bits even if the uid type was 32 bits. Reported-by: Michael Matz <matz@suse.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-02-19linux-user: Fix error handling in target_to_host_semarray()Peter Maydell1-1/+6
Fix two issues in error handling in target_to_host_semarray(): * don't leak the host_array buffer if lock_user fails * return an error if malloc() fails v2: added missing * -Riku Voipio Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-02-19linux-user: Implement BLKPG ioctlAndreas Färber1-0/+1
Signed-off-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-02-18linux-user: Fix error handling in lock_iovec()Peter Maydell1-5/+7
In lock_iovec() if lock_user() failed we were doing an unlock_user but not a free(vec), which is the wrong way round. We were also assuming that free() and unlock_user() don't touch errno, which is not guaranteed. Fix both these problems. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-02-15linux-user: refactor do_socketcall()Michael Tokarev1-258/+68
Refactor do_socketcall() to do argument conversion/checking first, according to a lookup table (which call has how many args) and by calling the right function second with ready-to-go arguments. This ensures that all arguments are handled as abi_long, according to socketcall prototype, and simplifies argument handling alot too. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-15linux-user: fixed recvfrom() addrlenPavel Zbitskiy1-1/+1
addrlen parameter of recvfrom() of type socklen_t* was read into variable of type socklen_t, that caused zeroing out of upper 4 bytes when running s390x on top of x86_64. This patch changes addrlen type to abi_ulong. Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-01-15linux-user: fixed getsockopt() optlenPavel Zbitskiy1-1/+1
optlen parameter of getsockopt() of type socklen_t* was read into variable of type socklen_t, that caused zeroing out of upper 4 bytes when running s390x on top of x86_64. This patch changes optlen type to abi_ulong. Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-01-10linux-user: Support the accept4 socketcallAndré Hentschel1-0/+16
Cc: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: André Hentschel <nerv@dawncrow.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Erik de Castro Lopo <erikd@mega-nerd.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-11-29linux-user: pass correct parameter to do_shmctl()Petar Jovanovic1-1/+1
Fix shmctl issue by passing correct parameter buf to do_shmctl(). Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-11-29linux-user: create target_structs header to place ipc_perm and shmid_dsPetar Jovanovic1-48/+28
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>
2013-11-29linux-user: Implement handling of 5 POSIX timer syscalls.Erik de Castro Lopo1-0/+176
Implement timer_create, timer_settime, timer_gettime, timer_getoverrun and timer_delete. Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-11-07linux-user: Fix stat64 syscall for SPARC64Stefan Weil1-3/+3
Some targets use a stat64 structure for the stat64 syscall while others use a stat structure. SPARC64 used the wrong kind. Instead of extending the conditional compilation in syscall.c, now a macro TARGET_HAS_STRUCT_STAT64 is defined whenever a target has a target_stat64. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Erik de Castro Lopo <erikd@mega-nerd.com>
2013-09-24linux-user: Handle SOCK_CLOEXEC/NONBLOCK if unavailable on hostEdgar E. Iglesias1-3/+37
If the host lacks SOCK_CLOEXEC, bail out with -EINVAL. If the host lacks SOCK_ONONBLOCK, try to emulate it with fcntl() and O_NONBLOCK. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24[v2] linux-user: implement m68k atomic syscallsRiku Voipio1-0/+28
With nptl enabled, atomic_cmpxchg_32 and atomic_barrier system calls are needed. This patch enabled really dummy versions of the system calls, modeled after the m68k kernel code. With this patch I am able to execute m68k binaries with qemu linux-user (busybox compiled for coldfire). [v2] que an segfault instead of returning a EFAULT to keep in line with kernel code. Cc: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24linux-user: correct how SOL_SOCKET is converted from target to host and backPetar Jovanovic1-5/+13
Previous implementation does not take into account that SOL_SOCKET constant can be arch specific. This change fixes some issues with sendmsg/recvmsg. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24linux-user: add some IPV6 commands in setsockop()Laurent Vivier1-0/+20
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24linux-user: Add setsockopt(SO_ATTACH_FILTER)Laurent Vivier1-0/+44
This is needed to be able to run dhclient. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24linux-user: convert /proc/net/route when endianess differsLaurent Vivier1-5/+53
This patch allows to have IP addresses in correct order in the case of "netstat -nr" when the endianess of the guest differs from one of the host. For instance, an m68k guest on an x86_64 host: WITHOUT this patch: $ netstat -nr Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 1.3.0.10 0.0.0.0 UG 0 0 0 eth0 0.3.0.10 0.0.0.0 0.255.255.255 U 0 0 0 eth0 $ cat /proc/net/route Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT eth0 00000000 0103000A 0003 0 0 0 000000000 0 0 eth0 0003000A 00000000 0001 0 0 0 00FFFFFF0 0 0 WITH this patch: $ netstat -nr Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 10.0.3.1 0.0.0.0 UG 0 0 0 eth0 10.0.3.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 $ cat /proc/net/route Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT eth0 00000000 0a000301 0003 0 0 0 000000000 0 0 eth0 0a000300 00000000 0001 0 0 0 ffffff000 0 0 Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-24alpha-linux-user: Fix umount syscall numbersRichard Henderson1-1/+1
It has been pointed out on LKML that the alpha umount syscall numbers are named wrong, and a patch to rectify that has been posted for 3.11. Glibc works around this by treating NR_umount as NR_umount2 if NR_oldumount exists. That's more complicated than we need in QEMU, given that we control linux-user/*/syscall_nr.h. This is the last instance of TARGET_NR_oldumount, so delete that from the strace.list. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-09-10linux-user: Allow targets to specify a minimum uname releasePeter Maydell1-14/+48
For newer target architectures, glibc can be picky about the kernel version: for example, it will not run on an aarch64 system unless the kernel reports itself as at least 3.8.0. Accommodate this by enhancing the existing support for faking the kernel version so that each target can optionally specify a minimum version: if the user doesn't force a specific fake version then we will override with the minimum required version only if the real host kernel version is insufficient. Use this facility to let aarch64 report a minimum of 3.8.0. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-21-git-send-email-peter.maydell@linaro.org
2013-09-10linux-user: Fix up AArch64 syscall handlersAlexander Graf1-2/+3
Some syscall handlers have special code for ARM enabled that we don't need on AArch64. Exclude AArch64 in those cases. In other places we can share struct definitions with other targets or have to provide our own. With this patch applied, most syscall definitions in linux-user should be sound for AArch64. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: John Rigby <john.rigby@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-16-git-send-email-peter.maydell@linaro.org Message-id: 1368505980-17151-9-git-send-email-john.rigby@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-09-03cpu: Use QTAILQ for CPU listAndreas Färber1-15/+2
Introduce CPU_FOREACH(), CPU_FOREACH_SAFE() and CPU_NEXT() shorthand macros. Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29linux-user: Return success from m68k set_thread_area syscallPeter Maydell1-0/+1
The m68k set_thread_area syscall implementation failed to set the return value. Correctly set it zero, since this syscall will always succeed. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1375093909-13653-1-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-23linux-user: Reset copied CPUs in cpu_copy() alwaysAlexander Graf1-3/+0
When a new thread gets created, we need to reset non arch specific state to get the new CPU into clean state. However this reset should happen before the arch specific CPU contents get copied over. Otherwise we end up having clean reset state in our newly created thread. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-23linux-user: Fix pipe syscall return for SPARCPeter Maydell1-0/+3
SPARC is one of the CPUs which has a funny syscall ABI for the pipe syscall; add it to the set of special cases in do_pipe(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22configure: Make NPTL non-optionalPeter Maydell1-46/+1
Now all linux-user targets support building with NPTL, we can make it mandatory. This is a good idea because: * NPTL is no longer new and experimental; it is completely standard * in practice, linux-user without NPTL is nearly useless for binaries built against non-ancient glibc * it allows us to delete the rather untested code for handling the non-NPTL configuration Note that this patch leaves the CONFIG_USE_NPTL ifdefs in the bsd-user codebase alone. This makes no change for bsd-user, since our configure test for NPTL had a "#include <linux/futex.h>" which means bsd-user would never have been compiled with CONFIG_USE_NPTL defined, and it still is not. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Enable NPTL for x86-64Peter Maydell1-1/+1
Add x86-64 implementation of cpu_set_tls() (like the kernel, we just have to call do_arch_prctl() to set FS); this allows us to enable NPTL. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Add i386 TLS setterAlexander Graf1-1/+1
We can easily set the TLS on i386. Add code to do so. Signed-off-by: Alexander Graf <agraf@suse.de> [PMM: also remove "target_nptl=no" line from configure, for consistency with other patches in this series] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Clean up handling of clone() argument orderPeter Maydell1-7/+11
Linux manages to have three separate orderings of the arguments to the clone() syscall on different architectures. In the kernel these are selected via CONFIG_CLONE_BACKWARDS and CONFIG_CLONE_BACKWARDS2. Clean up our implementation of this to use similar #define names rather than a TARGET_* ifdef ladder. This includes behaviour changes fixing bugs on cris, x86-64, m68k, openrisc and unicore32. cris had explicit but wrong handling; the others were just incorrectly using QEMU's default, which happened to be the equivalent of CONFIG_CLONE_BACKWARDS. (unicore32 appears to be broken in the mainline kernel in that it tries to use arg3 for both parent_tidptr and newtls simultaneously -- we don't attempt to emulate this bug...) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-22linux-user: Add missing 'break' in i386 get_thread_area syscallPeter Maydell1-0/+1
The i386 code for the get_thread_area syscall was missing a 'break' which meant it would have fallen through into the implementation of the following syscall; add it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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