ptrace single-stepping change breaks Wine

[Thomas Sailer]

No joy with
linux-2.6.10
patch-2.6.10-ac1
01-ptrace-reverse.diff
sigtrap-reverse.diff

Below is the seh trace output. In the working case (2.6.8) there is no
trace:seh: output at this point.

Tom

Compiling vhdl file U:/home/sailer/src/vhdl/dvbc_pcseng/vprim.vhd in
Library synwork.
trace:seh:EXC_RtlRaiseException code=c0000005 flags=0 addr=0x770e6151
trace:seh:EXC_RtlRaiseException  info[0]=00000000
trace:seh:EXC_RtlRaiseException  info[1]=72772078
trace:seh:EXC_RtlRaiseException  eax=72772074 ebx=b7a01d9c ecx=7f7daa0c
edx=fffffffa esi=7f7499b0 edi=7f7daa0c
trace:seh:EXC_RtlRaiseException  ebp=77058a70 esp=77ad2150 cs=0073
ds=007b es=007b fs=003b gs=0033 flags=00210206
trace:seh:EXC_CallHandler calling handler at 0x77134e9f code=c0000005
flags=0
trace:seh:EXC_CallHandler handler returned 1
trace:seh:EXC_CallHandler calling handler at 0x103662d2 code=c0000005
flags=0
trace:seh:EXC_CallHandler handler returned 1
trace:seh:EXC_CallHandler calling handler at 0x1034ec8e code=c0000005
flags=0
trace:seh:EXC_CallHandler handler returned 1
trace:seh:EXC_CallHandler calling handler at 0x4024a0 code=c0000005
flags=0
trace:seh:EXC_RtlUnwind code=c0000005 flags=2
trace:seh:EXC_CallHandler calling handler at 0x77ebe2e0 code=c0000005
flags=2
trace:seh:EXC_CallHandler handler returned 1
trace:seh:EXC_CallHandler calling handler at 0x77134e9f code=c0000005
flags=2
trace:seh:EXC_CallHandler handler returned 1
trace:seh:EXC_CallHandler calling handler at 0x103662d2 code=c0000005
flags=2
trace:seh:EXC_CallHandler handler returned 1
trace:seh:EXC_CallHandler calling handler at 0x1034ec8e code=c0000005
flags=2
trace:seh:EXC_CallHandler handler returned 1
FATAL_ERROR:Xst:Portability/export/Port_Main.h:127:1.13 - This
application has discovered an exceptional condition from which it cannot
recover.  Process will terminate.  To resolve this error, please consult
the Answers Database and other online resources at
http://support.xilinx.com. If you need further assistance, please open a
Webcase by clicking on the "WebCase" link at http://support.xilinx.com