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# Date Author Comment
1301f322 05/08/2011 12:02 pm Stefan Weil

Fix typos in comments (neccessary -> necessary)

Signed-off-by: Stefan Weil <>
Signed-off-by: Stefan Hajnoczi <>

d2fbca94 04/12/2011 09:49 pm Guan Xuetao

unicore32: necessary modifications for other files to support unicore32

Signed-off-by: Guan Xuetao <>
Signed-off-by: Blue Swirl <>

1af02e83 02/09/2011 10:33 am Mike Frysinger

linux-user/elfload: add FDPIC support

Signed-off-by: Mike Frysinger <>
Signed-off-by: Riku Voipio <>

67af42ac 01/07/2011 06:20 pm Wolfgang Schildbach

Remove dead code for ARM semihosting commandline handling

There are some bits in the code which were used to store the commandline for
the semihosting call. These bits are now write-only and can be removed.

Signed-off-by: Wolfgang Schildbach <>...

48e15fc2 12/03/2010 03:09 pm Nathan Froyd

linux-user: fix memory leaks with NPTL emulation

Running programs that create large numbers of threads, such as this
snippet from libstdc++'s pthread7-rope.cc:

const int max_thread_count = 4;
const int max_loop_count = 10000;
...
for (int j = 0; j < max_loop_count; j++)...
bee70008 12/03/2010 03:09 pm Peter Maydell

linux-user: remove unnecessary local from __get_user(), __put_user()

Remove an unnecessary local variable from the _get_user() and
_put_user() macros. This avoids confusing compilation failures
if the name of the local variable ('size') happens to be the...

e5924d89 10/03/2010 09:34 am Stefan Weil

Replace most gcc format attributes by macro GCC_FMT_ATTR (format checking)

Since version 4.4.x, gcc supports additional format attributes.
attribute ((format (gnu_printf, 1, 2)))
should be used instead of
attribute ((format (printf, 1, 2))...

9955ffac 07/29/2010 09:32 am Richard Henderson

linux-user: Reduce lseek+reads while loading elf files.

Define BPRM_BUF_SIZE to 1k and read that amount initially. If the
data we want from the binary is in this buffer, use it instead of
reading from the file again.

Signed-off-by: Richard Henderson <>...

97374d38 06/16/2010 03:03 pm Paul Brook

Usermode exec-stack fix

When loading a shared library that requires an executable stack,
glibc uses the mprotext PROT_GROWSDOWN flag to achieve this.
We don't support PROT_GROWSDOWN.
Add a special case to handle changing the stack permissions in this way....

6495a044 04/25/2010 03:59 pm Richard Henderson

linux-user: Remove ELFLOAD32.

The ABI-specific types used by linux_binprm and image_info
are different after forcing TARGET_ABI32 on. Which means
that the parameters that load_elf_binary_multi sees are not
those that loader_exec passed. This is inherently broken...

703e0e89 03/27/2010 03:16 pm Richard Henderson

linux-user: Use RLIMIT_STACK for default stack size.

The current default stack limit of 512kB is far too small; a fair
number of gcc testsuite failures (for all guests) are directly
attributable to this. Using the -s option in every invocation of
the emulator is annoying to say the least....

14f24e14 03/12/2010 06:29 pm Richard Henderson

linux-user: Fix mmap_find_vma returning invalid addresses.

Don't return addresses that aren't properly aligned for the guest,
e.g. when the guest has a larger page size than the host. Don't
return addresses that are outside the virtual address space for the...

c227f099 10/02/2009 12:12 am Anthony Liguori

Revert "Get rid of _t suffix"

In the very least, a change like this requires discussion on the list.

The naming convention is goofy and it causes a massive merge problem. Something
like this must be presented on the list first so people can provide input...

99a0949b 10/01/2009 09:45 pm malc

Get rid of _t suffix

Some not so obvious bits, slirp and Xen were left alone for the time
being.

Signed-off-by: malc <>

72cf2d4f 09/12/2009 10:36 am Blue Swirl

Fix sys-queue.h conflict for good

Problem: Our file sys-queue.h is a copy of the BSD file, but there are
some additions and it's not entirely compatible. Because of that, there have
been conflicts with system headers on BSD systems. Some hacks have been
introduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896,...

37022086 08/15/2009 10:51 am Blue Swirl

user: compile path.c only once

Also merge bsd-user/path.c and linux-user/path.c.

Signed-off-by: Blue Swirl <>

2f7bb878 07/27/2009 10:10 pm Juan Quintela

rename USE_NPTL to CONFIG_USE_NPTL

Signed-off-by: Juan Quintela <>
Signed-off-by: Anthony Liguori <>

379f6698 07/17/2009 03:12 pm Paul Brook

Userspace guest address offsetting

Re-implement GUEST_BASE support.
Offset guest ddress space by default if the guest binary contains
regions below the host mmap_min_addr.
Implement support for i386, x86-64 and arm hosts.

Signed-off-by: Riku Voipio <>...

fd4d81dd 07/08/2009 05:01 pm Arnaud Patard

linux-user: increment MAX_ARG_PAGES

There's a error When doing something like that :
find / -type f -print0 | xargs -0 echo

[ done in a arm chroot with qemu-arm and linux binfmt stuff or with
find / -type f -print0 | qemu-arm -L <path> <path>/usr/bin/xargs -0...

9ad197d9 06/16/2009 04:56 pm Riku Voipio

export mmap_find_vma for shmat

Signed-off-by: Riku Voipio <>

edf8e2af 06/16/2009 04:56 pm Mika Westerberg

linux-user: implemented ELF coredump support for ARM target

When target process is killed with signal (such signal that
should dump core) a coredump file is created. This file is
similar than coredump generated by Linux (there are few exceptions
though)....

425be425 05/19/2009 05:42 pm Paul Brook

Avoid implicit truncation compiler warnings

Signed-off-by: Paul Brook <>

1d9d8b55 04/16/2009 06:17 pm pbrook

Translate signal values in exit status.

Signed-off-by: Paul Brook <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7131 c046a42c-6fe2-441c-8c8c-71466251a162

c2764719 03/07/2009 05:24 pm pbrook

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 <>...

d088d664 01/30/2009 10:09 pm aurel32

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 <>...

1609cd44 12/08/2008 08:12 pm aurel32

linux-user: Move abi_* typedefs into qemu-types.h

Signed-off-by: Kirill A. Shutemov <>
Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5954 c046a42c-6fe2-441c-8c8c-71466251a162

440c7e85 10/05/2008 02:05 pm blueswir1

Export x86_stack_size in qemu.h

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5427 c046a42c-6fe2-441c-8c8c-71466251a162

79383c9c 08/30/2008 12:51 pm blueswir1

Fix some warnings that would be generated by gcc -Wredundant-decls

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5115 c046a42c-6fe2-441c-8c8c-71466251a162

d5975363 06/07/2008 11:50 pm pbrook

Multithreaded locking fixes.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4692 c046a42c-6fe2-441c-8c8c-71466251a162

1235fc06 06/03/2008 10:51 pm ths

Spelling fixes, by Stefan Weil.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4655 c046a42c-6fe2-441c-8c8c-71466251a162

c8a706fe 06/02/2008 07:16 pm pbrook

Multithreaded locking for mmap().

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4654 c046a42c-6fe2-441c-8c8c-71466251a162

0776590d 05/31/2008 07:33 pm pbrook

Mark host brk() area as reserved.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4637 c046a42c-6fe2-441c-8c8c-71466251a162

624f7979 05/31/2008 07:11 pm pbrook

Make signal queues per thread.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4635 c046a42c-6fe2-441c-8c8c-71466251a162

4cb05961 05/30/2008 09:05 pm pbrook

Perform target->host signal mapping for *kill syscalls.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4625 c046a42c-6fe2-441c-8c8c-71466251a162

a745ec6d 05/06/2008 06:36 pm pbrook

Update ARM rt_frame layout.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4365 c046a42c-6fe2-441c-8c8c-71466251a162

06177d36 12/24/2007 03:47 pm balrog

Fix a compiler error with DEBUG_REMAP enabled (Thayne Harbaugh).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3845 c046a42c-6fe2-441c-8c8c-71466251a162

2f619698 11/16/2007 12:46 pm bellard

suppressed tgetx and tputx (initial patch by Thayne Harbaugh)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3653 c046a42c-6fe2-441c-8c8c-71466251a162

4683b130 11/14/2007 05:16 pm bellard

always define TARGET_ABI32 if 32 bit user

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3643 c046a42c-6fe2-441c-8c8c-71466251a162

dae3270c 11/14/2007 12:51 pm bellard

suppressed page_unprotect_range() - fixed access_ok()

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3641 c046a42c-6fe2-441c-8c8c-71466251a162

c16f9ed3 11/11/2007 07:23 pm bellard

use correct types

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3596 c046a42c-6fe2-441c-8c8c-71466251a162

579a97f7 11/11/2007 04:26 pm bellard

Linux user memory access API change (initial patch by Thayne Harbaugh)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3583 c046a42c-6fe2-441c-8c8c-71466251a162

f3e3285d 11/03/2007 05:12 pm ths

Fix some compiler warnings.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3520 c046a42c-6fe2-441c-8c8c-71466251a162

89343ecd 11/02/2007 10:24 pm ths

EFAULT - update __get_user() __put_user(), by Thayne Harbaugh.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3508 c046a42c-6fe2-441c-8c8c-71466251a162

3d97b40b 11/02/2007 09:02 pm ths

EFAULT - verify pages are in cache and are read/write, by Thayne Harbaugh.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3506 c046a42c-6fe2-441c-8c8c-71466251a162

b92c47c1 11/01/2007 02:07 am ths

Strace for userland emulation, by Stuart Anderson and Thayne Harbaugh.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3502 c046a42c-6fe2-441c-8c8c-71466251a162

992f48a0 10/14/2007 07:27 pm blueswir1

Support for 32 bit ABI on 64 bit targets (only enabled Sparc64)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3396 c046a42c-6fe2-441c-8c8c-71466251a162

cb33da57 10/09/2007 07:34 pm blueswir1

Support for executing 32 bit SPARC32PLUS files for Sparc64 user emulator

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3378 c046a42c-6fe2-441c-8c8c-71466251a162

3d177870 10/07/2007 07:06 pm j_mayer

Fix host and target longs confusions (continued).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3345 c046a42c-6fe2-441c-8c8c-71466251a162

5bfb56b2 10/05/2007 08:01 pm blueswir1

Implement sparc64_[gs]et_context

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3334 c046a42c-6fe2-441c-8c8c-71466251a162

a5b85f79 09/30/2007 05:32 pm ths

Fix mmap to handle differing host/target page sizes, by Edgar E. Iglesias.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3291 c046a42c-6fe2-441c-8c8c-71466251a162

a04e134a 09/27/2007 04:57 pm ths

linux-user sigaltstack() syscall, by Thayne Harbaugh.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3252 c046a42c-6fe2-441c-8c8c-71466251a162

92a343da 09/27/2007 04:14 am j_mayer

New ppc64-linux-user target.
Allow use of PowerPC 970 for debugging (softmmu would not run, for now).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3246 c046a42c-6fe2-441c-8c8c-71466251a162

32407103 09/27/2007 02:01 am j_mayer

Convert syscall arguments and return value from long to int or target_long.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3241 c046a42c-6fe2-441c-8c8c-71466251a162

5fafdf24 09/17/2007 12:08 am ths

find -type f | xargs sed -i 's/[\t ]$//g' # on most files

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162

a87295e8 05/26/2007 06:09 pm pbrook

M68k system mode semihosting.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2861 c046a42c-6fe2-441c-8c8c-71466251a162

84409ddb 04/06/2007 11:56 am j_mayer

Code provision for x86_64 and PowerPC 64 linux user mode support.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2619 c046a42c-6fe2-441c-8c8c-71466251a162

38d0662a 11/19/2006 10:29 pm pbrook

Arm semihosted commandline support (Wolfgang Schildbach).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2216 c046a42c-6fe2-441c-8c8c-71466251a162

e6e5906b 10/22/2006 03:18 am pbrook

ColdFire target.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2196 c046a42c-6fe2-441c-8c8c-71466251a162

978efd6a 06/17/2006 09:30 pm pbrook

Respond to qOffsets gdb packet (for debugging bFLT binaries).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1986 c046a42c-6fe2-441c-8c8c-71466251a162

e5fe0c52 06/11/2006 04:32 pm pbrook

bFLT loader (for uClinux binaries).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1951 c046a42c-6fe2-441c-8c8c-71466251a162

c5937220 05/14/2006 02:30 pm pbrook

Teach usermode emulation how to lie about uname -r.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1920 c046a42c-6fe2-441c-8c8c-71466251a162

53a5960a 03/25/2006 09:31 pm pbrook

Avoid accessing guest memory directly in usermode emulation.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1790 c046a42c-6fe2-441c-8c8c-71466251a162

a4f81979 04/23/2005 09:25 pm bellard

ARM "Angel" semihosting syscalls (Paul Brook)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1383 c046a42c-6fe2-441c-8c8c-71466251a162

1fddef4b 04/17/2005 10:16 pm bellard

gdb support for user mode (Paul Brook)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1367 c046a42c-6fe2-441c-8c8c-71466251a162

e88de099 02/07/2005 02:35 pm bellard

ARM FPA get_user/put_user fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1266 c046a42c-6fe2-441c-8c8c-71466251a162

d69d1fa0 06/19/2004 07:57 pm bellard

const fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@928 c046a42c-6fe2-441c-8c8c-71466251a162

edf779ff 02/22/2004 03:40 pm bellard

use kernel like macros for user access (will be useful someday to have a better error checking

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@634 c046a42c-6fe2-441c-8c8c-71466251a162

28c4f361 02/16/2004 11:47 pm bellard

arm nwfpe support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@611 c046a42c-6fe2-441c-8c8c-71466251a162

6180a181 10/01/2003 12:04 am bellard

new directory structure

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@391 c046a42c-6fe2-441c-8c8c-71466251a162

2054396a 06/16/2003 02:28 am bellard

fixed include macro pb

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@249 c046a42c-6fe2-441c-8c8c-71466251a162

b346ff46 06/15/2003 11:05 pm bellard

ARM emulation support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@244 c046a42c-6fe2-441c-8c8c-71466251a162

b333af06 05/15/2003 12:48 am bellard

removed trace - merged 2.4.20 vm86 patches

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@167 c046a42c-6fe2-441c-8c8c-71466251a162

54936004 05/13/2003 03:25 am bellard

mmap emulation

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@158 c046a42c-6fe2-441c-8c8c-71466251a162

447db213 05/10/2003 06:10 pm bellard

sigtrap support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@147 c046a42c-6fe2-441c-8c8c-71466251a162

631271d7 05/10/2003 04:14 pm bellard

added vm86.c

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@143 c046a42c-6fe2-441c-8c8c-71466251a162

6977fbfd 04/29/2003 11:39 pm bellard

loglevel export

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@102 c046a42c-6fe2-441c-8c8c-71466251a162

32ce6337 04/11/2003 03:16 am bellard

path patch

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@96 c046a42c-6fe2-441c-8c8c-71466251a162

bc8a22cc 03/31/2003 12:02 am bellard

better vm86 support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@69 c046a42c-6fe2-441c-8c8c-71466251a162

851e67a1 03/29/2003 06:53 pm bellard

primitive vm86 support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@57 c046a42c-6fe2-441c-8c8c-71466251a162

d691f669 03/24/2003 11:58 pm bellard

glibc2.2 fixes - more command line options - misc doc fixes

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@46 c046a42c-6fe2-441c-8c8c-71466251a162

9de5e440 03/23/2003 06:49 pm bellard

better signal/exception support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@42 c046a42c-6fe2-441c-8c8c-71466251a162

66fb9763 03/23/2003 03:06 am bellard

basic signal handling

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@41 c046a42c-6fe2-441c-8c8c-71466251a162

1b6b029e 03/22/2003 07:31 pm bellard

basic clone() support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@40 c046a42c-6fe2-441c-8c8c-71466251a162

6dbad63e 03/16/2003 08:05 pm bellard

added minimal segment support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@28 c046a42c-6fe2-441c-8c8c-71466251a162

01ffc75b 02/19/2003 01:00 am bellard

avoid pt_regs clash

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5 c046a42c-6fe2-441c-8c8c-71466251a162

31e31b8a 02/19/2003 12:55 am bellard

This commit was generated by cvs2svn to compensate for changes in r2,
which included commits to RCS files with non-trunk default branches.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3 c046a42c-6fe2-441c-8c8c-71466251a162