recent changes to 8.0 broke the devel/gdb6 port

[Kostik Belousov]

On Fri, Jun 12, 2009 at 07:12:08PM -0400, Mikhail T. wrote:
> The full log is here:
> 
>     http://pointyhat.FreeBSD.org/errorlogs/amd64-errorlogs/a.8.20090611213544/gdb-6.6_1.log
>       
> 
> but it ends with:
> 
>     [...]
>     cc -c -O2 -pipe -DRL_NO_COMPAT -fno-strict-aliasing    -I. -I.././gdb -I.././gdb/config -DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I.././gdb/../include/opcode  -I../bfd -I.././gdb/../bfd -I.././gdb/../include   -DMI_OUT=1 -DTUI=1 -I/usr/local/include -Wimplicit -Wreturn-type -Wcomment -Wtrigraphs -Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral -Wunused-label -Wunused-function -Wno-pointer-sign -Wuninitialized  amd64fbsd-nat.c
>     amd64fbsd-nat.c: In function 'amd64fbsd_supply_pcb':
>     amd64fbsd-nat.c:128: error: 'struct pcb' has no member named 'pcb_ds'
>     amd64fbsd-nat.c:129: error: 'struct pcb' has no member named 'pcb_es'
>     amd64fbsd-nat.c:130: error: 'struct pcb' has no member named 'pcb_fs'
>     amd64fbsd-nat.c:131: error: 'struct pcb' has no member named 'pcb_gs'
>     gmake[2]: *** [amd64fbsd-nat.o] Error 1
>     gmake[2]: Leaving directory `/work/a/ports/devel/gdb6/work/gdb-6.6/gdb'
>     gmake[1]: *** [all-gdb] Error 2
>     gmake[1]: Leaving directory `/work/a/ports/devel/gdb6/work/gdb-6.6'
>     gmake: *** [all] Error 2
>     *** Error code 1
>       
> 
> What happened? Thanks! Yours,

Place to keep curthread segment registers values was changed from MD
pcb to the struct trapframe filled on kernel entry. Required changes
were made to the struct reg that is returned by ptrace(PT_GETREGS) and
written into the core dump.

This was r190620 committed Apr 1.
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