On Fri, May 17, 2013 at 02:51:19PM -0700, Kwok Cheung Yeung wrote: > These patches fix various issues related to signal handling in user mode > emulation for the MIPS architecture. > > - When a MIPS16/microMIPS signal handler is called, the program segfaults > because the PC is set to an invalid address. > - When returning from a signal handler, the ISA mode is not set to that > of the resume instruction. > - When the faulting instruction is in a branch delay slot, the resume > address is set to that of the instruction rather than the branch, > resulting in incorrect behaviour. The flag indicating that the > instruction is in a delay slot is also not cleared. > > v1 -> v2: > - Add fixes for signal return and delay slot instructions > - Refactor code > > Kwok Cheung Yeung (2): > linux-user: Fix MIPS ISA transitions during signal handling > linux-user: Save the correct resume address for MIPS signal handling > > linux-user/signal.c | 16 +++++++++++++++- > target-mips/cpu.h | 1 + > target-mips/helper.c | 4 ++-- > 3 files changed, 18 insertions(+), 3 deletions(-) >
Thanks, both queued for 1.6. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net
