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powerpc/ptrace: Enable support for EBB registers

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This patch enables support for EBB state registers related
ELF core note NT_PPC_EBB based ptrace requests through
PTRACE_GETREGSET, PTRACE_SETREGSET calls. This is achieved
through adding one new register sets REGSET_EBB in powerpc
corresponding to the ELF core note sections added in this
regard. It also implements the get, set and active functions
for this new register sets added.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anshuman Khandual
2016-07-28 10:57:43 +08:00
committed by Michael Ellerman
parent fa439810cc
commit cf89d4e1b1
2 changed files with 76 additions and 0 deletions
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arch/powerpc/include/uapi/asm/elf.h
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@@ -94,6 +94,7 @@
#define ELF_NVMX 34 /* includes all vector registers */
#define ELF_NVSX 32 /* includes all VSX registers */
#define ELF_NTMSPRREG 3 /* include tfhar, tfiar, texasr */
#define ELF_NEBB 3 /* includes ebbrr, ebbhr, bescr */
typedef unsigned long elf_greg_t64;
typedef elf_greg_t64 elf_gregset_t64[ELF_NGREG];