Commit Graph

608 Commits

Author SHA1 Message Date
Edgar E. Iglesias
b779e29ed8 microblaze: linux-user support.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-05-26 21:10:28 +02:00
Edgar E. Iglesias
8dfbe4e839 microblaze: Add syscall, signal and termbits defs for linux-user.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-05-26 21:10:21 +02:00
Paul Brook
909b69cf52 Only define __llseek if it is going to be used
Signed-off-by: Paul Brook <paul@codesourcery.com>
2009-05-19 15:58:52 +01:00
Paul Brook
425be425f6 Avoid implicit truncation compiler warnings
Signed-off-by: Paul Brook <paul@codesourcery.com>
2009-05-19 15:42:39 +01:00
Nathan Froyd
df84e4f345 support ELF_HWCAP for PPPC
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: malc <av1474@comtv.ru>
2009-05-16 01:36:16 +04:00
Nathan Froyd
bcd4933a23 linux-user: ppc signal handling
Implement setup_{,rt_}frame and do_{,rt_}sigreturn for PPC 32-bit.  Use
the same TARGET_QEMU_ESIGRETURN hack as for MIPS to avoid clobbering
register state on a sigreturn.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: malc <av1474@comtv.ru>
2009-05-16 01:36:12 +04:00
Blue Swirl
001faf3269 Replace gcc variadic macro extension with C99 version
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-05-13 17:53:17 +00:00
Paul Brook
65a650c2a5 Fix compiler warnings in nwfpe code.
Signed-off-by: Paul Brook <paul@codesourcery.com>
2009-05-04 15:19:04 +01:00
pbrook
0b1bcb00fb MIPS signal handling fixes.
Also fixes a register corruption bug in do_sigreturn. When "returning"
from sigreturn we are actually restoring the virtual cpu state from the
signal frame.  This is actually surprisingly hard to observe in practice.

Typically an thread be blocked in a FUTEX_WAIT call when the signal arrives,
so the effect is a spurious syscall success and the introduction of a
subtle race condition.

On x86/arm a syscall modifies a single word sized register, so
do_sigreturn can just return that value.  On MIPS a syscall clobbers
multiple registers, so we need additional smarts.  My solution is to
invent a magic errno value that means "don't touch CPU state".


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7194 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-21 01:41:10 +00:00
pbrook
e4474235d8 MIPS: Raise SIGSEGV, not SIGILL when an access faults.
Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7193 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-21 01:03:10 +00:00
pbrook
3f53d546eb Fix target_siginfo ordering for MIPS.
Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7192 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-21 00:59:40 +00:00
aurel32
465c9f0630 linux-user: Linux kernel's fchmodat and faccessat have three args (no 4th arg)
In Linux kernel, fchmodat() and faccessat() take tree args.
4th value <int flags> is only processed by libc.

Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7187 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-19 08:52:17 +00:00
aurel32
e5289087ed linux-user: fix IPCOP_sem* and implement sem*
Fix and cleanup IPCOP_sem* ipc calls handling and
implement sem* syscalls.

Riku:

1) Uglify whitespace so that diff gets smaller and easier
to review

2) use __get_user in target_to_host_sembuf

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7184 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-18 16:16:12 +00:00
aurel32
8690e42010 linux-user: fix inotify syscalls
Configure test was broken, so the breakage of the #ifdef'd
code was not noticed.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7134 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-17 13:50:32 +00:00
pbrook
1d9d8b551d Translate signal values in exit status.
Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7131 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-16 15:17:02 +00:00
aurel32
aaf4ad3913 linux-user: fix getcwd syscall
The patch called "prefer glibc over direct syscalls" (commit 7118) has
replaced the getcwd syscall with a call to the glibc. With this change,
the syscall is returning -1 in error case and 0 otherwise.
This is problematic as the sys_getcwd syscall should return the number
of bytes written to the buffer including the '\0'.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-By: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7130 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-16 14:17:14 +00:00
aurel32
fda3374454 linux-user: fix warnings introduced by r7118
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7120 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 17:12:01 +00:00
aurel32
603e4fd7b1 linux-user: proper exit code for uncaught signals
The proper exit code for dieing from an uncaught signal is -<signal>.
The kernel doesn't allow exit() or _exit() to pass a negative value.
To get the proper exit code we need to actually die from an uncaught signal.

A default signal handler is installed, we send ourself a signal
and we wait for it to arrive.

Patch originates from Scratchbox

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7119 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 16:18:38 +00:00
aurel32
3b3f24add0 linux-user: prefer glibc over direct syscalls
The openat/*at syscalls are incredibly common with modern coreutils,
calling them directly via syscalls breaks for example fakeroot. Use
glibc stubs whenever directly available and provide old syscall
calling for people still using older libc.

Patch originally from Mika Westerberg, Adapted to
apply to current trunk and cleaned up by Riku Voipio.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7118 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 16:12:13 +00:00
aurel32
be09ac4194 linux-user: removed unnecessary MAX_SOCK_ADDR checks for socket syscalls
- This check is not needed because kernel will check whether given
  buffer is too small and there is no upper limit for size of the buffer.

From: Mika Westerberg <mika.westerberg@iki.fi>

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7117 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 16:12:06 +00:00
aurel32
607175e0fb linux-user: unix sockets - fix running dbus
dbus sends too short (according to man 7 unix) addrlen for it's
unix socket. I've been told that happens with other applications
as well. Linux kernel doesn't appear to mind, so I guess
we whould be tolerant as well. Expand sockaddr with +1 to fit
the \0 of the pathname passed.

(scratchbox1 qemu had a very different workaround for the same issue).

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7116 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 16:11:59 +00:00
aurel32
7d8cec95c8 linux-user: add support for passing contents of argv0
Added switch -0 (zero) which can be used to pass argv[0] to
target process. The main use is for a binfmt_misc wrapper when
the "P - preserve-argv[0]" setting is used.

From: Mika Westerberg

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7115 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 16:11:52 +00:00
aurel32
24e1003a52 linux-user: Added posix message queue syscalls except mq_notify
Signed-off-by: Lionel Landwerlin <lionel.landwerlin@openwide.fr>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7114 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-15 16:11:43 +00:00
pbrook
088ab16c6b Enable generic accepts-anything cpu by default for usermode emulation.
Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7051 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-09 15:20:50 +00:00
aurel32
9d33b76b20 linux-user: fix fstatat64()/newfstatat() syscall implementation
There are two different syscall names for the same goal.

On systems with sizeof(long) == 64 it calls newfstatat.
On systems with sizeof(long) == 32 it calls fstatat64.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7050 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-08 23:07:05 +00:00
aurel32
dbfe4c3611 linux-user: fix problems with inotify syscalls
The sys_inotify* calls are defined if the target supports them and the
host supports the necessary syscalls.  But the syscalls are handled if
the target supports them.  This situation leads to compilation failures
when the host doesn't support the necessary syscalls, as the linker will
complain about undefined functions.

Fix this state of affairs by making the handling conditions the same as
the call definition conditions.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Acked-By: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7038 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-08 21:29:30 +00:00
pbrook
4a19f1eced Add --with-pkgversion.
Allows distributors to identify their builds without needing to hack the
sources.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7036 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-07 23:17:49 +00:00
aurel32
1b530a6dfc Add new command line option -singlestep for tcg single stepping.
This replaces a compile time option for some targets and adds
this feature to targets which did not have a compile time option.

Add monitor command to enable or disable single step mode.

Modify monitor command "info status" to display single step mode.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7004 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-05 20:08:59 +00:00
aurel32
3098dba01c Use a dedicated function to request exit from execution loop
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6762 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-07 21:28:24 +00:00
pbrook
c276471991 The _exit syscall is used for both thread termination in NPTL applications,
and process termination in legacy applications.  Try to guess which we want
based on the presence of multiple threads.

Also implement locking when modifying the CPU list.


Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6735 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-07 15:24:59 +00:00
blueswir1
2d18e637e5 Flush stdout after printing usage()
Fixes qemu-arm|grep cpu - with _exit() getting output from qemu --help
is a bit random. Since no atexit() handlers are registered for user mode
emulation, just use exit() instead.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6657 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-28 20:14:00 +00:00
aurel32
491150db37 Fix crash caused by missing command line arguments
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6580 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-09 19:02:09 +00:00
edgar_igl
54c5a2ae54 Partialy fix mmap at EOF for large pagesize targets in user-mode.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6510 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-03 23:06:34 +00:00
aurel32
bedf26e6b4 linux-user: Remove incorrect break;
Reported-By: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6503 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-03 19:55:26 +00:00
malc
a5e50b263a Replace noreturn with QEMU_NORETURN
Thanks to Robert Riebisch for analysis [1]

[1] http://marc.info/?l=qemu-devel&m=123352293319271&w=2

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6492 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-01 22:19:27 +00:00
aurel32
dc7eea67a1 linux-user: fix signal.c warning
This patch fixes:

linux-user/signal.c:1403: warning: no previous prototype for 'do_sigreturn_v1'
linux-user/signal.c:1473: warning: no previous prototype for 'do_sigreturn_v2'
linux-user/signal.c:1511: warning: no previous prototype for 'do_rt_sigreturn_v1'
linux-user/signal.c:1552: warning: no previous prototype for 'do_rt_sigreturn_v2'

by making the appropriate functions static.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6486 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 20:15:32 +00:00
aurel32
d088d664f2 linux-user: identify running binary in /proc/self/exe
Some applications like to test /proc/self/exe to find
out who they are. Fake the result of readlink() for
them. Use realpath() to return full path to binary
(which the links /proc/self/exe are)

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6485 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 20:09:01 +00:00
aurel32
04a6dfebb6 linux-user: Add generic env variable handling
Adds support for qemu to modify target process environment
variables using -E and -U commandline switches. This replaces
eventually the -drop-ld-preload flag.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6484 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:59:17 +00:00
aurel32
e1ce5e400a target-ppc: Fix struct target_stat64 for 32-bit host
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6483 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:48:32 +00:00
aurel32
91bd8ce9b1 target-sh4: Fix struct target_stat64 for 64-bit host
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6482 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:48:24 +00:00
aurel32
38d840e679 linuw-user fix: read() and acct() on NULL arguments
Returning efault in these cases is not correct. Originally
proposed by Thayne Harbaugh in 2007:
http://www.mail-archive.com/qemu-devel@nongnu.org/msg14658.html

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6481 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:48:17 +00:00
aurel32
a516e72d60 linux-user: don't crash with null name
From Thayne Harbaugh.

path() may be called with null string, don't bother trying to
remap in that case.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6480 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:48:07 +00:00
aurel32
8f7aeaf6b3 linux-user: return EINVAL on incorrect sockaddr
From: Lauro Ramos Venancio <lauro.venancio@gmail.com>

Fixes ltp test accept01

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6479 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:47:57 +00:00
aurel32
8fea36025b linux-user: fix accept(2) with NULL peer
Based on scratchbox2 patch by Mika Westerberg

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6478 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-30 19:47:47 +00:00
malc
baa8c60229 Fix qemu_malloc.
make {linux,bsd}-user qemu_realloc handle ptr == NULL correctly.
spotted by malc.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6466 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-28 17:16:56 +00:00
aliguori
1a6f0dbcc0 linux-user: add qemu_realloc() implementation to unbreak the build (Gerd Hoffman)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6412 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-23 15:02:20 +00:00
blueswir1
2e77eac62d Fix user emulator breakage, based on patch by Riku Voipio
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6371 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-20 16:57:34 +00:00
aliguori
93fcfe39a0 Convert references to logfile/loglevel to use qemu_log*() macros
This is a large patch that changes all occurrences of logfile/loglevel
global variables to use the new qemu_log*() macros.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6338 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-15 22:34:14 +00:00
aliguori
d12d51d5ba Clean up debugging code #ifdefs (Eduardo Habkost)
Use macros to avoid #ifdefs on debugging code.

This patch doesn't try to merge logging macros from different files,
but just unify the debugging code #ifdefs onto a macro on each file. A
further cleanup can unify the debugging macros on a common header, later

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6332 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-15 21:48:06 +00:00
aurel32
72d239ed26 Get rid of user_mode_only
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6305 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-14 19:40:27 +00:00