kern/51649: PRIxREGISTER and PTRACE_REG_* mismatch

[n54%gmx.com@localhost]

>Number:         51649
>Category:       kern
>Synopsis:       PRIxREGISTER and PTRACE_REG_* mismatch
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Nov 24 22:05:00 +0000 2016
>Originator:     Kamil Rytarowski
>Release:        NetBSD 7.99.42 amd64
>Organization:
TNF
>Environment:
NetBSD chieftec 7.99.42 NetBSD 7.99.42 (GENERIC) #2: Wed Nov 23 20:32:48 CET 2016  root@chieftec:/public/netbsd-tmp-root/sys/arch/amd64/compile/GENERIC amd64
>Description:
There is mismatch for PRIxREGISTER and PTRACE_REG_* at least on sparc.

Build log:

/usr/src/tests/kernel/t_ptrace_wait.c: In function 'atfu_regs2_body':
/usr/src/tests/kernel/t_ptrace_wait.c:4167:9: error: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Werror=format=]
  printf("Retrieved PC=%" PRIxREGISTER "\n", PTRACE_REG_PC(&r));
         ^
/usr/src/tests/kernel/t_ptrace_wait.c:4167:9: error: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Werror=format=]
/usr/src/tests/kernel/t_ptrace_wait.c: In function 'atfu_regs3_body':
/usr/src/tests/kernel/t_ptrace_wait.c:4223:9: error: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Werror=format=]
  printf("Retrieved SP=%" PRIxREGISTER "\n", PTRACE_REG_SP(&r));
         ^
/usr/src/tests/kernel/t_ptrace_wait.c:4223:9: error: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Werror=format=]
/usr/src/tests/kernel/t_ptrace_wait.c: In function 'atfu_regs4_body':
/usr/src/tests/kernel/t_ptrace_wait.c:4279:9: error: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Werror=format=]
  printf("Retrieved INTRV=%" PRIxREGISTER "\n", PTRACE_REG_INTRV(&r));
         ^
/usr/src/tests/kernel/t_ptrace_wait.c:4279:9: error: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Werror=format=]


This breaks build on releng machines with sparc.
>How-To-Repeat:
./build.sh -m sparc -N0 -u -U -j8 -O /public/netbsd-tmp-sparc distribution
>Fix:
N/A