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authorTimothy E Baldwin <T.E.Baldwin99@members.leeds.ac.uk>2016-05-12 18:47:30 +0100
committerRiku Voipio <riku.voipio@linaro.org>2016-05-27 14:49:49 +0300
commit0284b03ba3f47da53b6b46293a3d586c08829f7e (patch)
treea7942bf22838565bf88cfccf69af317c36d90725 /target-m68k/cpu.c
parent499b5d176a77773cab5479264a3d5067176df21c (diff)
linux-user: Support for restarting system calls for x86 targets
Update the x86 main loop and sigreturn code: * on TARGET_ERESTARTSYS, wind guest PC backwards to repeat syscall insn * set all guest CPU state within signal.c code rather than passing it back out as the "return code" from do_sigreturn() * handle TARGET_QEMU_ESIGRETURN in the main loop as the indication that the main loop should not touch EAX Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk> Message-id: 1441497448-32489-5-git-send-email-T.E.Baldwin99@members.leeds.ac.uk Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: Commit message tweaks; drop TARGET_USE_ERESTARTSYS define] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'target-m68k/cpu.c')
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