Commit Graph

133 Commits

Author SHA1 Message Date
Chen Gang de2fdd56b1 linux-user/syscall_defs.h: Sync the latest si_code from Linux kernel
They content several new macro members, also contents TARGET_N*.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <1443240605-2924-1-git-send-email-gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07 20:03:15 +11:00
Jonathan Neuschäfer ee1045877a linux-user: fix cmsg conversion in case of multiple headers
Currently, __target_cmsg_nxthdr compares a pointer derived from
target_cmsg against the msg_control field of target_msgh (through
subtraction).  This failed for me when emulating i386 code under x86_64,
because pointers in the host address space and pointers in the guest
address space were not the same.  This patch passes the initial value of
target_cmsg into __target_cmsg_nxthdr.

I found and fixed two more related bugs:
- __target_cmsg_nxthdr now returns the new cmsg pointer instead of the
  old one.
- tgt_space (in host_to_target_cmsg) doesn't count "sizeof (struct
  target_cmsghdr)" twice anymore.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2015-09-28 16:39:43 +03:00
Chen Gang b16189b222 linux-user: Support tilegx architecture in linux-user
Add main working flow feature, system call processing feature, and elf64
tilegx binary loading feature, based on Linux kernel tilegx 64-bit
implementation.

[rth: Moved all of the implementation of atomic instructions to a later patch.]

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <BLU436-SMTP938552D42808AA60634582B9660@phx.gbl>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15 07:41:19 -07:00
Veres Lajos 67cc32ebfd typofixes - v4
Signed-off-by: Veres Lajos <vlajos@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-09-11 10:45:43 +03:00
Leon Alrae 1ab2aea248 linux-user: correct stat structure in MIPS N32
Simple "hello world" MIPS N32 userland program crashes with segfault due to
incorrectly defined stat structure in QEMU.

Correct "target_stat" definition to match kernel's "stat64" as in MIPS N32
there are only plain "stat" syscalls using 64-bit structure.

Reported-by: Daniel Sanders <daniel.sanders@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Tested-by: Daniel Sanders <daniel.sanders@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
2015-02-13 14:11:29 +00:00
Maxim Ostapenko aa5e03d2aa linux-user: wrong TARGET_SI_PAD_SIZE value for some targets.
Fix TARGET_SI_PAD_SIZE calculation to match the way the kernel does it.
Use different TARGET_SI_PREAMBLE_SIZE for 32-bit and 64-bit targets.

Signed-off-by: Maxim Ostapenko <m.ostapenko@partner.samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-02-10 09:27:20 +03:00
Alexander Graf aecc88616a linux-user: Fix up timer id handling
When creating a timer handle, we give the timer id a special magic offset
of 0xcafe0000. However, we never mask that offset out of the timer id before
we start using it to dereference our timer array. So we always end up aborting
timer operations because the timer id is out of bounds.

This was not an issue before my patch e52a99f756 ("linux-user: Simplify
timerid checks on g_posix_timers range") because before we would blindly mask
anything above the first 16 bits.

This patch simplifies the code around timer id creation by introducing a proper
target_timer_id typedef that is s32, just like Linux has it. It also changes the
magic offset to a value that makes all timer ids be positive.

Reported-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Tom Musta <tommusta@gmail.com>
Tested-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-11-11 08:13:09 +02:00
Joakim Tjernlund 33a29b51c9 linux-user: handle AF_PACKET sockaddrs in target_to_host_sockaddr
Implement conversion of the AF_PACKET sockaddr subtype
in target_to_host_sockaddr.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-07-15 16:28:25 +03:00
Paul Burton f63eb01ac7 linux-user: support the SIOCGIFINDEX ioctl
Add a definition of the SIOCGIFINDEX ioctl, allowing its use by target
programs.

Signed-off-by: Paul Burton <paul@archlinuxmips.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-06-29 14:19:59 +03:00
Paul Burton ca56f5b596 linux-user: support the KDSIGACCEPT ioctl
Add a definition of the KDSIGACCEPT ioctl & allow its use by target
programs.

Signed-off-by: Paul Burton <paul@archlinuxmips.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-06-29 14:19:59 +03:00
Paul Burton ef4467e911 linux-user: respect timezone for settimeofday
The settimeofday syscall accepts a tz argument indicating the desired
timezone to the kernel. QEMU previously ignored any argument provided
by the target program & always passed NULL to the kernel. Instead,
translate the argument & pass along the data userland provided.

Although this argument is described by the settimeofday man page as
obsolete, it is used by systemd as of version 213.

Signed-off-by: Paul Burton <paul@archlinuxmips.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-06-29 14:19:59 +03:00
Paul Burton fd76783243 linux-user: fix struct target_epoll_event layout for MIPS
MIPS requires the pad field to 64b-align the data field just as ARM
does.

Signed-off-by: Paul Burton <paul@archlinuxmips.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-06-29 14:19:59 +03:00
Natanael Copa 34d6086236 linux-user: avoid using glibc internals in _syscall5 and in definition of 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>
2014-05-02 21:59:28 +03:00
Peter Maydell e0eb210ec0 linux-user: Implement capget, capset
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>
2014-03-17 15:26:58 +02:00
Andreas Schwab 8d5d30046b linux-user: implement F_[GS]ETOWN_EX
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>
2014-03-17 11:44:31 +02:00
Alexander Graf f19e00d776 linux-user: Implement sendmmsg syscall
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>
2014-03-03 23:08:09 +02:00
Andreas Schwab cd98d390ae linux-user: Don't use UID16 on AArch64
The AArch64 kernel defines its __kernel_uid_t type as 32 bits, unlike
32 bit ARM, so don't enable our 16-bit UID wrapper handling.

Signed-off-by: Andreas Schwab <schwab@suse.de>
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>
2014-03-03 23:03:25 +02:00
Andreas Färber fff8c539bd linux-user: Implement BLKPG ioctl
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>
2014-02-19 12:29:23 +02:00
André Hentschel b9d36eb2c7 linux-user: Support the accept4 socketcall
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>
2014-01-10 08:51:36 +02:00
Erik de Castro Lopo 905bba13ca linux-user: Add target struct defs needed for POSIX timer syscalls.
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-11-29 10:58:10 +02:00
Stefan Weil 20d155bc90 linux-user: Fix stat64 syscall for SPARC64
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>
2013-11-07 07:02:44 +01:00
Laurent Vivier f57d419241 linux-user: Add setsockopt(SO_ATTACH_FILTER)
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>
2013-09-24 10:47:06 +03:00
Alexander Graf 09701199f6 linux-user: Fix up AArch64 syscall handlers
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>
2013-09-10 19:11:28 +01:00
Alexander Graf ddaa7e5a2a linux-user: Fix epoll on ARM hosts
The epoll emulation uses data structures without packing them, so the
compiler might choose to add padding inside.

This patch makes the most offending one (target_epoll_event) a packed
structure to make sure we don't pad it by accident. ARM would pad it,
so declare the padding mandatory for ARM targets.

This fixes i386-on-ARM epoll emulation for me.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-23 17:28:28 +03:00
Peter Maydell c7819dfbd2 linux-user: Fix target_stat and target_stat64 for OpenRISC
OpenRISC uses the asm-generic versions of target_stat and
target_stat64, but it was incorrectly using the x86/ARM/etc version
due to a misplaced defined(TARGET_OPENRISC).  The previously unused
OpenRISC section of the ifdef ladder also defined an incorrect
target_stat and omitted the target_stat64 definition.  Fix
target_stat, provide target_stat64, and add a comment noting that
these are the asm-generic versions for the benefit of future ports.

Reviewed-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2013-07-23 17:28:28 +03:00
Laurent Vivier 2ba7f73006 alpha-linux-user: Translate fcntl l_type
The values of F_RDLCK, F_WRLCK, F_UNLCK, F_EXLCK, F_SHLCK
differ between alpha and other linux architectures.

This patch allows to run "dpkg" (database lock).

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-01-16 08:13:17 -08:00
Richard Henderson d2565875ec alpha-linux-user: Fix sigaction
Unconditional bswap replaced by __get_user/__put_user.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-12 12:25:12 +00:00
Paolo Bonzini cb9c377f54 janitor: add guards to headers
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:31:31 +01:00
Dmitry V. Levin 333858b77c linux-user: fix emulation of getdents
In case when TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64, the last
byte of the target dirent structure (aka d_type byte) was never copied
from the host dirent structure, thus breaking everything that relies
on valid d_type value, e.g. glob(3).

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-27 10:17:30 +03:00
Peter Maydell 5f72307d90 linux-user: Fix SNDCTL_DSP_MAP{IN, OUT}BUF ioctl definitions
Fix the SNDCTL_DSP_MAP{IN,OUT}BUF ioctl definitions so that they
refer to a suitably defined target struct layout rather than hardcoding
the ioctl number. This fixes complaints from the syscall_init()
consistency check when running an x86_64-to-x86_64 linux-user qemu.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2012-08-13 12:45:46 +01:00
Peter Maydell c8b0bf5456 linux-user: Fix incorrect TARGET_BLKBSZGET, TARGET_BLKBSZSET
The definitions for the ioctl numbers TARGET_BLKBSZGET and
TARGET_BLKBSZSET had the wrong size parameters (they are defined
with size_t, not int, even though the ioctl implementations themselves
read and write integers). Since commit 354a0008 we now have an
ioctl wrapper definition for BLKBSZGET and so on an x86-64-to-x86-64
linux-user binary we were triggering the mismatch warning in
syscall_init().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2012-08-13 12:45:24 +01:00
Richard Henderson 4eeea4f3f1 linux-user: Sync fcntl.h bits with the kernel
For each target, only define the bits that appear in
arch/target/include/asm/fcntl.h.  Mirror the kernel's
asm-generic layout by handling anything undefined afterward.

Signed-off-by: Richard Henderson <rth@twiddle.net>
2012-08-04 09:37:49 -07:00
Richard Henderson d0f204952a alpha-linux-user: Fix signal handling
Proper signal numbers were not defined, and EXCP_INTERRUPT
was unhandled, leading to all sorts of subtle confusion.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2012-08-04 09:37:48 -07:00
Jia Liu d962783e98 target-or32: Add linux user support
Add QEMU OpenRISC linux user support.

Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-07-27 21:13:05 +00:00
Alexander Graf edafea1330 linux-user: fix BLK ioctl arguments
Some BLK ioctls passed sizeof(x) into a macro that already did sizeof() on
the passed in argument, rendering the size information inside the ioctl be
the size of the host default integer type.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-04-06 18:49:58 +03:00
Alexander Graf 56e904ecb2 linux-user: implement device mapper ioctls
This patch implements all ioctls currently implemented by device mapper,
enabling us to run dmsetup and kpartx inside of linux-user.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-04-06 18:49:58 +03:00
Akos PASZTORY 583359a689 linux-user: add SO_PEERCRED support for getsockopt
Signed-off-by: Akos PASZTORY <akos.pasztory@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-02-02 17:51:20 +02:00
Dong Xu Wang b4916d7b9d fix spelling in linux-user sub directory
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-02 10:50:56 +00:00
Matthias Braun cbb21eed18 linux-user: fix abi_(u)long, target_ulong mismatch
abi_(u)long might be different from target_ulong, so don't use tswapl
but introduce a new tswapal

Signed-off-by: Matthias Braun <matze@braunis.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2011-10-27 14:42:16 +03:00
Matthias Braun 6cafd027be linux-user: fix rlimit syscalls on sparc(64)
Signed-off-by: Matthias Braun <matze@braunis.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2011-10-27 14:42:16 +03:00
Matthias Braun 26b746db49 linux-user: fix TARGET_RLIM_INFINITY declaration
Signed-off-by: Matthias Braun <matze@braunis.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-10-27 14:42:16 +03:00
Stefan Weil 541dc0d47f Use new macro QEMU_PACKED for packed structures
Most changes were made using these commands:

git grep -la '__attribute__((packed))'|xargs perl -pi -e 's/__attribute__\(\(packed\)\)/QEMU_PACKED/'
git grep -la '__attribute__ ((packed))'|xargs perl -pi -e 's/__attribute__ \(\(packed\)\)/QEMU_PACKED/'
git grep -la '__attribute__((__packed__))'|xargs perl -pi -e 's/__attribute__\(\(__packed__\)\)/QEMU_PACKED/'
git grep -la '__attribute__ ((__packed__))'|xargs perl -pi -e 's/__attribute__ \(\(__packed__\)\)/QEMU_PACKED/'
git grep -la '__attribute((packed))'|xargs perl -pi -e 's/__attribute\(\(packed\)\)/QEMU_PACKED/'

Whitespace in linux-user/syscall_defs.h was fixed manually
to avoid warnings from scripts/checkpatch.pl.

Manual changes were also applied to hw/pc.c.

I did not fix indentation with tabs in block/vvfat.c.
The patch will show 4 errors with scripts/checkpatch.pl.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-09-03 10:45:59 +00:00
Wesley W. Terpstra e22b701535 mips: rlimit codes are not the same
The codes for get/setrlimit differ between linux target platforms.
This patch adds conversion.
This is important else programs (rsyslog, python, ...) can go into a
near infinite loop trying to close all the file descriptors from 0 to
-1.

Signed-off-by: Wesley W. Terpstra <terpstra@debian.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-07-12 14:42:00 +03:00
Peter Maydell 163a05a839 linux-user: Implement prlimit64 syscall
Implement the prlimit64 syscall.

Slightly modified to apply upstream -Riku

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-07-11 16:34:49 +03:00
Cédric VINCENT 12b81b7145 linux-user: Add support for even more FB ioctls
This patch was validated with programs from DirectFB-1.0 and
WebKit/DirectFB.

Signed-off-by: Cédric VINCENT <cedric.vincent@st.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-07-11 16:12:18 +03:00
Cédric VINCENT 774750c088 linux-user: Add support for more VT ioctls
DirectFB-1.0 uses at least two of the four added ioctls, and the two
others were added for completeness.  This patch was validated with the
program "vlock -all/-new".

Signed-off-by: Cédric VINCENT <cedric.vincent@st.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-07-11 16:10:49 +03:00
Cédric VINCENT e6fe18fb31 linux-user: Add support for KD...LED ioctls
DirectFB-1.0 uses at least one of the four added ioctls, and the three
others were added for completeness.  This patch was validated with the
program "setleds" and the following Makefile:

    SETLEDS_INIT  = setleds -v -num -caps -scroll
    SETLEDS_TESTS = sh -c ' \
	setleds -v +num +caps +scroll; \
	setleds -v -num -caps -scroll; \
	setleds -v +num -caps -scroll; \
	setleds -v +num +caps -scroll; \
	setleds -v +num +caps +scroll; \
	setleds -v -num +caps +scroll; \
	setleds -v -num -caps +scroll; \
	setleds -v -num -caps -scroll'

    SETLEDS_HOST = setleds
    SETLEDS_QEMU = "SETLEDS_QEMU not set"

    .PHONY: setleds_tests
    setleds_tests:
	rm -f setleds.host setleds.target
	$(SETLEDS_INIT:setleds=$(SETLEDS_HOST))
	$(SETLEDS_TESTS:setleds=$(SETLEDS_HOST)) >> setleds.host
	$(SETLEDS_INIT:setleds=$(SETLEDS_QEMU))
	$(SETLEDS_TESTS:setleds=$(SETLEDS_QEMU)) >> setleds.target
	cmp setleds.host setleds.target

Signed-off-by: Cédric VINCENT <cedric.vincent@st.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2011-07-11 16:06:16 +03:00
Ulrich Hecht a4c075f178 s390x: s390x-linux-user support
This patch adds support for running s390x binaries in the linux-user emulation
code.

Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2011-05-20 17:35:12 +02:00
Riku Voipio 0c866a7ed4 linux-user: untie syscalls from UID16
Quite a number of uid/gid related syscalls are only defined on systems
with USE_UID16 defined. This is apperently based on the idea that these
system calls would never be called on non-UID16 systems. Make these
syscalls available for all architectures that define them.

drop alpha hack to support selected UID16 syscalls. MIPS and PowerPC
were also defined as UID16, to get uid/gid syscalls available, drop
this error as well.

Change QEMU to reflect this.

Cc: Ulrich Hecht <uli@suse.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2011-04-26 10:15:41 +03:00
Laurent Vivier 86fcd94632 linux-user: add ioctl(SIOCGIWNAME, ...) support.
Allow to run properly following program from linux-user:

/* cc -o wifi wifi.c */

 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <linux/wireless.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <string.h>

int main(int argc, char **argv)
{
    int ret;
    struct ifreq req;
    struct sockaddr_in *addr;
    int s;

    if (argc != 2) {
        fprintf(stderr, "Need an interface name (like wlan0)\n");
	return 1;
    }

    s = socket( AF_INET, SOCK_DGRAM, 0 );
    if (s < 0) {
        perror("Cannot open socket");
        return 1;
    }
    strncpy(req.ifr_name, argv[1], sizeof(req.ifr_name));
    ret = ioctl( s, SIOCGIWNAME, &req );
    if (ret < 0) {
	fprintf(stderr, "No wireless extension\n");
        return 1;
    }

    printf("%s\n", req.ifr_name);
    printf("%s\n", req.ifr_newname);
    return 0;
}

$ ./wifi eth0
No wireless extension

$ ./wifi wlan0
wlan0
IEEE 802.11bg

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2011-04-26 10:15:41 +03:00