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powerpc/ptrace: Add memory protection key regset

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The AMR/IAMR/UAMOR are part of the program context.
Allow it to be accessed via ptrace and through core files.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Thiago Jung Bauermann 2018-01-18 17:50:43 -08:00 • committed by Michael Ellerman
parent 99cd130232
commit c5cc1f4df6
5 changed files with 80 additions and 0 deletions
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1
include/uapi/linux/elf.h
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@ -396,6 +396,7 @@ typedef struct elf64_shdr {
#define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */
#define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */
#define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */
#define NT_PPC_PKEY 0x110 /* Memory Protection Keys registers */
#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */