um: get rid of unused macros in ptrace_user.h

#define PT_SYSCALL_NR(regs) ((regs)[ORIG_EAX])

#define PT_SYSCALL_NR_OFFSET PT_OFFSET(ORIG_EAX)

#define PT_SYSCALL_ARG1_OFFSET PT_OFFSET(EBX)

#define PT_SYSCALL_ARG2_OFFSET PT_OFFSET(ECX)

#define PT_SYSCALL_ARG3_OFFSET PT_OFFSET(EDX)

#define PT_SYSCALL_ARG4_OFFSET PT_OFFSET(ESI)

#define PT_SYSCALL_ARG5_OFFSET PT_OFFSET(EDI)

#define PT_SYSCALL_ARG6_OFFSET PT_OFFSET(EBP)

#define PT_SYSCALL_RET_OFFSET PT_OFFSET(EAX)

#define REGS_SYSCALL_NR EAX /* This is used before a system call */

#define REGS_SYSCALL_ARG1 EBX

#define REGS_SYSCALL_ARG2 ECX

#define REGS_SYSCALL_ARG3 EDX

#define REGS_SYSCALL_ARG4 ESI

#define REGS_SYSCALL_ARG5 EDI

#define REGS_SYSCALL_ARG6 EBP

#define REGS_IP_INDEX EIP

#define REGS_SP_INDEX UESP

#define PT_IP_OFFSET PT_OFFSET(EIP)

#define PT_IP(regs) ((regs)[EIP])

#define PT_SP_OFFSET PT_OFFSET(UESP)

#define PT_SP(regs) ((regs)[UESP])

#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)

#ifndef FRAME_SIZE

#define FRAME_SIZE (17)

#endif

#endif

#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)])

#define PT_SYSCALL_NR_OFFSET (ORIG_RAX)

#define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)])

#define PT_SYSCALL_ARG1_OFFSET (RDI)

#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)])

#define PT_SYSCALL_ARG2_OFFSET (RSI)

#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)])

#define PT_SYSCALL_ARG3_OFFSET (RDX)

#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)])

#define PT_SYSCALL_ARG4_OFFSET (RCX)

#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)])

#define PT_SYSCALL_ARG5_OFFSET (R8)

#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)])

#define PT_SYSCALL_ARG6_OFFSET (R9)

#define PT_SYSCALL_RET_OFFSET (RAX)

#define PT_IP_OFFSET (RIP)

#define PT_IP(regs) ((regs)[PT_INDEX(RIP)])

#define PT_SP_OFFSET (RSP)

#define PT_SP(regs) ((regs)[PT_INDEX(RSP)])

#define PT_ORIG_RAX_OFFSET (ORIG_RAX)

#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])

/*

 * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though

 * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the

#define PTRACE_OLDSETOPTIONS 21

#endif

/*

 * These are before the system call, so the system call number is RAX

 * rather than ORIG_RAX, and arg4 is R10 rather than RCX

 */

#define REGS_SYSCALL_NR PT_INDEX(RAX)

#define REGS_SYSCALL_ARG1 PT_INDEX(RDI)

#define REGS_SYSCALL_ARG2 PT_INDEX(RSI)

#define REGS_SYSCALL_ARG3 PT_INDEX(RDX)

#define REGS_SYSCALL_ARG4 PT_INDEX(R10)

#define REGS_SYSCALL_ARG5 PT_INDEX(R8)

#define REGS_SYSCALL_ARG6 PT_INDEX(R9)

#define REGS_IP_INDEX PT_INDEX(RIP)

#define REGS_SP_INDEX PT_INDEX(RSP)