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16 Commits

Author SHA1 Message Date
Riku Voipio
4b627a236a linux-user: update syscall list 
In preparation for supporting pipe2()

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
 2009-06-16 16:56:29 +03:00
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
ths
b5dc7732e1 More efficient target register / TC accesses. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4794 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-06-27 10:02:35 +00:00
ths
d0dc7dc327 Make MIPS MT implementation more cache friendly. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3981 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-02-12 21:01:26 +00:00
blueswir1
992f48a036 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
 2007-10-14 16:27:31 +00:00
ths
540635ba65 Code provision for n32/n64 mips userland emulation. Not functional yet. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3284 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-30 01:58:33 +00:00
ths
198a74de4c Move get_sp_from_cpustate from cpu.h to target_signal.h. 
Enable sigaltstack processing for more architectures.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3253 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-27 16:44:32 +00:00
ths
a04e134ad1 linux-user sigaltstack() syscall, by Thayne Harbaugh. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3252 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-27 13:57:58 +00:00
ths
b9a02beda2 Add new MIPS/Linux syscalls. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3214 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-23 18:07:05 +00:00
ths
2601c356b7 Correct and update mips termbits.h. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3213 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-23 17:55:00 +00:00
ths
637947f19d linux-user errno mapping, by Stuart Anderson. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2908 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-06-01 12:09:19 +00:00
ths
388bb21af6 MIPS linux-user update. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2810 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-05-13 13:58:00 +00:00
ths
6f5b89a07c MIPS Userland TLS register emulation, by Daniel Jacobowitz. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2465 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-03-02 20:48:00 +00:00
bellard
c960bde13c correct ioctls 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1679 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-11-28 22:28:16 +00:00
bellard
148f50581b uid32 syscalls 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1678 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-11-28 22:28:07 +00:00
bellard
048f6b4df7 mips user emulation 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1668 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-11-26 18:47:20 +00:00