Replace gcc variadic macro extension with C99 version
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Fix compiler warnings in nwfpe code.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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 thesignal frame. This is actually surprisingly hard to observe in practice.
Typically an thread be blocked in a FUTEX_WAIT call when the signal arrives,...
MIPS: Raise SIGSEGV, not SIGILL when an access faults.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7193 c046a42c-6fe2-441c-8c8c-71466251a162
Fix target_siginfo ordering for MIPS.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7192 c046a42c-6fe2-441c-8c8c-71466251a162
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>...
linux-user: fix IPCOP_sem* and implement sem*
Fix and cleanup IPCOP_sem* ipc calls handling andimplement sem* syscalls.
Riku:
1) Uglify whitespace so that diff gets smaller and easierto review
2) use __get_user in target_to_host_sembuf
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>...
linux-user: fix inotify syscalls
Configure test was broken, so the breakage of the #ifdef'dcode 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
Translate signal values in exit status.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7131 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: fix getcwd syscall
The patch called "prefer glibc over direct syscalls" (commit 7118) hasreplaced 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...
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
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....
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. Useglibc stubs whenever directly available and provide old syscallcalling for people still using older libc....
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>...
linux-user: unix sockets - fix running dbus
dbus sends too short (according to man 7 unix) addrlen for it'sunix socket. I've been told that happens with other applicationsas well. Linux kernel doesn't appear to mind, so I guesswe whould be tolerant as well. Expand sockaddr with +1 to fit...
linux-user: add support for passing contents of argv0
Added switch -0 (zero) which can be used to pass argv0 totarget process. The main use is for a binfmt_misc wrapper whenthe "P - preserve-argv0" setting is used.
From: Mika Westerberg
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>...
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>...
Enable generic accepts-anything cpu by default for usermode emulation.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7051 c046a42c-6fe2-441c-8c8c-71466251a162
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.
linux-user: fix problems with inotify syscalls
The sys_inotify* calls are defined if the target supports them and thehost supports the necessary syscalls. But the syscalls are handled ifthe target supports them. This situation leads to compilation failures...
Add --with-pkgversion.Allows distributors to identify their builds without needing to hack thesources.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7036 c046a42c-6fe2-441c-8c8c-71466251a162
Add new command line option -singlestep for tcg single stepping.
This replaces a compile time option for some targets and addsthis 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....
Use a dedicated function to request exit from execution loop
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6762 c046a42c-6fe2-441c-8c8c-71466251a162
The _exit syscall is used for both thread termination in NPTL applications,and process termination in legacy applications. Try to guess which we wantbased on the presence of multiple threads.
Also implement locking when modifying the CPU list.
Signed-off-by: Paul Brook <paul@codesourcery.com>...
Flush stdout after printing usage()
Fixes qemu-arm|grep cpu - with _exit() getting output from qemu --helpis a bit random. Since no atexit() handlers are registered for user modeemulation, just use exit() instead.
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
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
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
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
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: identify running binary in /proc/self/exe
Some applications like to test /proc/self/exe to findout who they are. Fake the result of readlink() forthem. Use realpath() to return full path to binary(which the links /proc/self/exe are)
linux-user: Add generic env variable handling
Adds support for qemu to modify target process environmentvariables using -E and -U commandline switches. This replaceseventually the -drop-ld-preload flag.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>...
target-ppc: Fix struct target_stat64 for 32-bit host
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6483 c046a42c-6fe2-441c-8c8c-71466251a162
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
linuw-user fix: read() and acct() on NULL arguments
Returning efault in these cases is not correct. Originallyproposed by Thayne Harbaugh in 2007:http://www.mail-archive.com/qemu-devel@nongnu.org/msg14658.html
linux-user: don't crash with null name
From Thayne Harbaugh.
path() may be called with null string, don't bother trying toremap in that case.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6480 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: return EINVAL on incorrect sockaddr
From: Lauro Ramos Venancio <lauro.venancio@gmail.com>
Fixes ltp test accept01
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6479 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: fix accept(2) with NULL peer
Based on scratchbox2 patch by Mika Westerberg
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6478 c046a42c-6fe2-441c-8c8c-71466251a162
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
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
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
Convert references to logfile/loglevel to use qemu_log*() macros
This is a large patch that changes all occurrences of logfile/loglevelglobal 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>...
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. Afurther cleanup can unify the debugging macros on a common header, later...
Get rid of user_mode_only
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6305 c046a42c-6fe2-441c-8c8c-71466251a162
Add noreturn function attribute
Introduce noreturn attribute and attach it to cpu_loop_exit as well asinterrupt/exception helpers for i386. This avoids a bunch of gcc4warnings.
[ Note that this patch comes with a workaround to include qemu-common.heven in cases where is currently causes conflicts with dyngen-exec.h....
Remove all traces of powerpc
According to $GCC/gcc/config/rs6000/rs6000-c.c _ARCH_PPC is theubiquitous define which should be used to test whether gcc targetsPowerPC, on 64bit platforms _ARCH_PPC64 will be also defined.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6301 c046a42c-6fe2-441c-8c8c-71466251a162
CRIS: Add a bunch of syscall numbers.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6223 c046a42c-6fe2-441c-8c8c-71466251a162
CRIS: Clone flags are reversed on CRIS.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6222 c046a42c-6fe2-441c-8c8c-71466251a162
CRIS: Implement set_thread_area for CRIS.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6210 c046a42c-6fe2-441c-8c8c-71466251a162
Fix more FSF addresses
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6192 c046a42c-6fe2-441c-8c8c-71466251a162
Update FSF address in GPL/LGPL boilerplate
The attached patch updates the FSF address in the GPL/LGPL boilerplatein most GPL/LGPLed files, and also in COPYING.LIB.
Signed-off-by: Stuart Brady <stuart.brady@gmail.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>...
Fix qemu endless loop when raising a SIGSEGV/SIGBUS signal with gdbstub in user emulation
When a SIGSEGV signal is raised in user mode emulation the currenttest to know whether the signal is sent by the kernel is wrong :
info->si_code == SI_KERNEL
according to /usr/include/bits/siginfo.h it should be...
Use the ARRAY_SIZE() macro where appropriate.
Change from v1: Avoid changing the existing coding style in certain files.
Signed-off-by: Stuart Brady <stuart.brady@gmail.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6120 c046a42c-6fe2-441c-8c8c-71466251a162
User-mode GDB stub improvements - handle signals
Handle signals in the user-mode GDB stub. Report them to GDB, andallow it to change or cancel them. Also correct the protocol numbering;it happens to match Linux numbering for SIGINT and SIGTRAP, but that's...
User-mode GDB stub improvements - handle fork
Close gdbserver in child processes, so that only one stub tries to talkto GDB at a time. Updated from an earlier patch by Paul Brook.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>...
Fix mremap, based on patch by Kirill A. Shutemov
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6056 c046a42c-6fe2-441c-8c8c-71466251a162
Fix warning about unused shm_regions
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6001 c046a42c-6fe2-441c-8c8c-71466251a162
Remove unnecessary trailing newlines
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6000 c046a42c-6fe2-441c-8c8c-71466251a162
Fix compiling without MREMAP_FIXED
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5979 c046a42c-6fe2-441c-8c8c-71466251a162
Introduce and use cache-utils.[ch]
Thanks to Segher Boessenkool and Holis Blanchard.
AIX and Darwin cache inquiry:http://gcc.gnu.org/ml/gcc-patches/2007-08/msg00388.html
Auxiliary vectors:http://manugarg.googlepages.com/aboutelfauxiliaryvectors
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5973 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: mremap(): handle MREMAP_FIXED and MREMAP_MAYMOVE correctly
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5959 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: mmap: add check if requested memory area fits target address space
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5958 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: Move abi_* typedefs into qemu-types.h
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5954 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: Add support for STOP/CONT signals.
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5802 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: sig is target signal.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5801 c046a42c-6fe2-441c-8c8c-71466251a162
x86: Debug register emulation (Jan Kiszka)
Built on top of previously enhanced breakpoint/watchpoint support, thispatch adds full debug register emulation for the x86 architecture.
Many corner cases were considered, and the result was successfullytested inside a Linux guest with gdb, but I won't be surprised if one...
target-alpha: implement getxuid and getxgid syscalls
This patch implemented the setxuid and setxgid syscalls for Alpha.These syscalls return two values, both uid/euid and gid/egid.In addition to returning the first value in $v0, the additionalvalue is returned in the $a4 register....
ppc-linux-user: handle EXCP_DEBUG
Replace POWERPC_EXCP_DEBUG by EXCP_DEBUG as the former can not happen inuser mode emulation, while the later can happen and should be handled.
Noticed by Andrew Stubbs.
target-alpha: fix termbits and target IOC macros
This patch fixes the two following problems for Alpha linux-user: - termbits.h is incorrectly using host IOC macros and structures - IOC bitfields sizes are incorrectly set
This patch corrects the ioctl TCGETS done by isatty function call...
target-alpha: add proper fcntl definitions
On Alpha the target to native fcntl definitions were missing. Because ofthis, programs trying to open files with the O_CREAT option were gettingO_APPEND instead, etc.
This was keeping gcc from the spec benchmarks from running, among other...
use target_mmap() to allocate idt, gdt and ldt (Kirill A. Shutemov).
env->*dt.base should fit target address space, so we should usetarget_mmap to allocate them.
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5666 c046a42c-6fe2-441c-8c8c-71466251a162
User qemu profiling
- Makefile.target: re-enable profiling for user qemu. It seems profiling was (accidently?) removed by commit 3937
- syscall.c: * add an include to get _mcleanup prototype * add a call to _mcleanup for exit_group in a way similar to what is done for exit...
Fix return value printing for shmat (Lauro Ramos Venancio).
The shmat syscall returns an address, so we must use theprint_syscall_ret_addr function.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5565 c046a42c-6fe2-441c-8c8c-71466251a162
Recvmsg must return the number of bytes received (Lauro Ramos Venancio).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5564 c046a42c-6fe2-441c-8c8c-71466251a162
Fix iovec for the case with invalid elements (Lauro Ramos Venancio).
We must call the writev even if an iovec element is invalid. Forexample, if the second element is invalid, the linux process the firstone.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5562 c046a42c-6fe2-441c-8c8c-71466251a162
Use the host exit syscall for exiting (Lauro Ramos Venancio).
We can't call the libc _exit function because it calls the exit_grouphost syscall. We must call directly the exit host syscall.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5561 c046a42c-6fe2-441c-8c8c-71466251a162
Fix undeclared symbol warnings from sparse
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5539 c046a42c-6fe2-441c-8c8c-71466251a162
Replace uses of strncpy (a GNU extension) with Qemu pstrcpy
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5531 c046a42c-6fe2-441c-8c8c-71466251a162
Add missing return statement (fixes compiler warning).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5523 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: implement msg* syscalls
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5484 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: fix and cleanup IPCOP_msg* ipc calls handling
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5483 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user: fix getdents* syscalls
glibc's structs dirent and dirent64 is different from in-kernel direntand dirent64. Kernel headers doesn't provide structs dirent(64) anymore. So we should add it to qemu headers.
To avoid conflict with glibc it called struct linux_dirent(64)....
linux-user: Add readahead syscall
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5479 c046a42c-6fe2-441c-8c8c-71466251a162
CRIS: linux-user signals dont need ERP compensation after break anymore.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5450 c046a42c-6fe2-441c-8c8c-71466251a162
CRIS: linux-user ERP compensation not needed anymore.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5449 c046a42c-6fe2-441c-8c8c-71466251a162
Make various generated structures static
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5429 c046a42c-6fe2-441c-8c8c-71466251a162
Make target_sigaltstack_used static
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5428 c046a42c-6fe2-441c-8c8c-71466251a162
Export x86_stack_size in qemu.h
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5427 c046a42c-6fe2-441c-8c8c-71466251a162
Make ioctl table static
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5426 c046a42c-6fe2-441c-8c8c-71466251a162
Make bitmask tables static const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5425 c046a42c-6fe2-441c-8c8c-71466251a162
Make struct_termios_def const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5424 c046a42c-6fe2-441c-8c8c-71466251a162
Fix warning about unused function
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5406 c046a42c-6fe2-441c-8c8c-71466251a162
Include qemu-common.h in order to get prototypes for qemu_malloc etc.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5402 c046a42c-6fe2-441c-8c8c-71466251a162
Make CPULogItem tables const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5397 c046a42c-6fe2-441c-8c8c-71466251a162
Add inotify syscall family
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5388 c046a42c-6fe2-441c-8c8c-71466251a162
Add mincore syscall
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5387 c046a42c-6fe2-441c-8c8c-71466251a162
Add fadvise64 stubs
Since these are only hints, we happily fake them for nowto make applications not barf on ENOSYS.
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>...
Silence some warnings about uninitialized variables
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5362 c046a42c-6fe2-441c-8c8c-71466251a162
TARGET_MAP_xx macros: clean and alpha specific values
- Clean TARGET_MAP_xx macros to avoid nested #if #endif- Add alpha specific values
Based on a patch by Tristan Gingold
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5356 c046a42c-6fe2-441c-8c8c-71466251a162