powerpc/ptrace: Create ptrace_get_fpr() and ptrace_put_fpr()

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On the same model as ptrace_get_reg() and ptrace_put_reg(),
create ptrace_get_fpr() and ptrace_put_fpr() to get/set
the floating points registers.

We move the boundary checkings in them.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/24a1baedea7f7ae7b6bf27be98bab6d01b5ca2c1.1597770847.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2020-08-18 17:19:16 +00:00 • committed by Michael Ellerman

parent e009fa4335

commit 4d90eb97e2

4 changed files with 56 additions and 29 deletions

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1

arch/powerpc/kernel/ptrace/Makefile

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4

arch/powerpc/kernel/ptrace/ptrace-decl.h

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40

arch/powerpc/kernel/ptrace/ptrace-fpu.c

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38

arch/powerpc/kernel/ptrace/ptrace.c

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