qemu/linux-user
Jincheng Miao 47575997be linux-user: Fix syscall instruction usermode emulation on X86_64
Currently syscall instruction is buggy on user mode X86_64,
the EIP is updated after do_syscall(), that is too late for
clone(). Because clone() will create a thread at the env->EIP
(the address of syscall insn), and then child thread enters
do_syscall() again, that is not expected. Sometimes it is tragic.

User mode syscall insn emulation is not used MSR, so the
action should be same to INT 0x80. INT 0x80 will update EIP in
do_interrupt(), ditto for syscall() for consistency.

Signed-off-by: Jincheng Miao <jmiao@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2014-08-22 15:06:33 +03:00
..
aarch64 linux-user: AArch64: define TARGET_CLONE_BACKWARDS 2014-01-08 19:07:20 +00:00
alpha linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
arm Add support for the arm breakpoint syscall 2014-06-24 20:01:24 +04:00
cris linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
i386 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
m68k cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00
microblaze linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
mips target-mips: implement UserLocal Register 2014-06-18 18:10:47 +02:00
mips64 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
openrisc linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
ppc target-ppc: Support little-endian PPC64 in user mode. 2014-06-16 13:24:40 +02:00
s390x linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
sh4 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
sparc linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
sparc64 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
unicore32 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
x86_64 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
elfload.c linux-user: Support HWCAP2 in PowerPC 2014-06-27 13:48:22 +02:00
errno_defs.h Remove unnecessary trailing newlines 2008-12-13 09:32:43 +00:00
flat.h Support for 32 bit ABI on 64 bit targets (only enabled Sparc64) 2007-10-14 16:27:31 +00:00
flatload.c linux-user: Remove regs parameter of load_elf_binary and load_flt_binary 2014-01-10 08:51:37 +02:00
ioctls.h SIOCGIFINDEX: fix typo 2014-07-15 16:26:31 +03:00
linux_loop.h Fix build failure with old kernel headers (loop.h is incompatible with 2008-05-23 16:06:43 +00:00
linuxload.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00
m68k-sim.c exec: Change cpu_abort() argument to CPUState 2014-03-13 19:52:28 +01:00
main.c linux-user: Fix syscall instruction usermode emulation on X86_64 2014-08-22 15:06:33 +03:00
Makefile.objs linux-user: rename cpu-uname -> uname 2014-05-02 21:59:36 +03:00
mmap.c configure: Make NPTL non-optional 2013-07-22 21:54:52 +03:00
qemu.h linux-user: fix gcc-4.9 compiler error on __{get,put]}_user 2014-06-17 08:52:08 +03:00
signal.c linux-user: use TARGET_SA_ONSTACK in get_sigframe 2014-07-15 17:08:41 +03:00
socket.h linux-user: support SO_PASSSEC setsockopt option 2014-06-29 14:19:59 +03:00
strace.c linux-user: Don't omit comma for strace of rt_sigaction() 2013-04-05 14:40:54 +02:00
strace.list linux-user: support strace of epoll_create1 2014-06-29 14:19:59 +03:00
syscall.c linux-user: redirect openat calls 2014-08-22 15:06:33 +03:00
syscall_defs.h linux-user: handle AF_PACKET sockaddrs in target_to_host_sockaddr 2014-07-15 16:28:25 +03:00
syscall_types.h linux-user: Implement BLKPG ioctl 2014-02-19 12:29:23 +02:00
target_flat.h linux-user/FLAT: allow targets to override FLAT processing 2011-02-09 10:33:54 +02:00
uaccess.c Fix missing strnlen problems 2009-07-01 18:24:44 +00:00
uname.c linux-user/uname: Return correct uname string for x86_64 2014-06-17 09:21:40 +03:00
uname.h linux-user: move uname functions to uname.c 2014-05-02 21:59:36 +03:00
vm86.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00