tree 58eb839f032c9e6555b89bfd2537c60a48dd3ca6
parent 1009f87825c9f4be5081f836a31d11a6dc9c4c55
author Chris Dearman <chris.dearman@imgtec.com> 1460491388 -0700
committer Kees Cook <keescook@google.com> 1460498509 +0000

pts/seccomp: MIPS register access

MIPS PTRACE_GETREGSET returns an array of register values. Define
ARCH_REGS to reflect this and use the offsets defined in asm/regs.h
to access it.

Incorporates some additional changes from lkml.org patch by Matt
Redfearn (https://lkml.org/lkml/2016/3/29/184):
- support the O32 syscall which passes the real syscall number in a0.
- Because SYSCALL_NUM and SYSCALL_RET are the same register, it is not
  possible to test modifying the syscall return value when skipping,
  since both would need to set the same register. Therefore modify that
  test case to just detect the skipped test.

Bug: 27484186
Change-Id: I066b01a271bc8f2eecab5e3adb5aa2117fcf5b86