ppc64: Avoid pt_regs struct definition

Remove pt_regs indirection and instead reference gp_regs directly, this
makes it portable across musl/glibc

Use PT_* constants defined in asm/ptrace.h

Move t

ppc64: Avoid pt_regs struct definition

Remove pt_regs indirection and instead reference gp_regs directly, this
makes it portable across musl/glibc

Use PT_* constants defined in asm/ptrace.h

Move the file to ppc64 subdir and leave ppc empty

Fixes
../qemu-6.2.0/linux-user/host/ppc64/../ppc/host-signal.h:16:32: error: incomplete definition of type 'struct pt_regs'
return uc->uc_mcontext.regs->nip;
~~~~~~~~~~~~~~~~~~~~^

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220315015740.847370-1-raj.khem@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

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user: move common-user includes to a subdirectory of {bsd,linux}-user/

Avoid polluting the compilation of common-user/ with local include files;
making an include file available to common-user/ shou

user: move common-user includes to a subdirectory of {bsd,linux}-user/

Avoid polluting the compilation of common-user/ with local include files;
making an include file available to common-user/ should be a deliberate
decision in order to keep a clear interface that can be used by both
bsd-user/ and linux-user/.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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