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-rw-r--r--arch/um/os-Linux/sys-x86/registers.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/um/os-Linux/sys-x86/registers.c b/arch/um/os-Linux/sys-x86/registers.c
deleted file mode 100644
index 3a9b6247bbbc..000000000000
--- a/arch/um/os-Linux/sys-x86/registers.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2004 PathScale, Inc
- * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
-
-#include <errno.h>
-#include <sys/ptrace.h>
-#include <sys/user.h>
-#include "longjmp.h"
-#include "sysdep/ptrace_user.h"
-
-int save_fp_registers(int pid, unsigned long *fp_regs)
-{
- if (ptrace(PTRACE_GETFPREGS, pid, 0, fp_regs) < 0)
- return -errno;
- return 0;
-}
-
-int restore_fp_registers(int pid, unsigned long *fp_regs)
-{
- if (ptrace(PTRACE_SETFPREGS, pid, 0, fp_regs) < 0)
- return -errno;
- return 0;
-}
-
-#ifdef __i386__
-int have_fpx_regs = 1;
-int save_fpx_registers(int pid, unsigned long *fp_regs)
-{
- if (ptrace(PTRACE_GETFPXREGS, pid, 0, fp_regs) < 0)
- return -errno;
- return 0;
-}
-
-int restore_fpx_registers(int pid, unsigned long *fp_regs)
-{
- if (ptrace(PTRACE_SETFPXREGS, pid, 0, fp_regs) < 0)
- return -errno;
- return 0;
-}
-
-int get_fp_registers(int pid, unsigned long *regs)
-{
- if (have_fpx_regs)
- return save_fpx_registers(pid, regs);
- else
- return save_fp_registers(pid, regs);
-}
-
-int put_fp_registers(int pid, unsigned long *regs)
-{
- if (have_fpx_regs)
- return restore_fpx_registers(pid, regs);
- else
- return restore_fp_registers(pid, regs);
-}
-
-void arch_init_registers(int pid)
-{
- struct user_fpxregs_struct fpx_regs;
- int err;
-
- err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs);
- if (!err)
- return;
-
- if (errno != EIO)
- panic("check_ptrace : PTRACE_GETFPXREGS failed, errno = %d",
- errno);
-
- have_fpx_regs = 0;
-}
-#else
-
-int get_fp_registers(int pid, unsigned long *regs)
-{
- return save_fp_registers(pid, regs);
-}
-
-int put_fp_registers(int pid, unsigned long *regs)
-{
- return restore_fp_registers(pid, regs);
-}
-
-#endif
-
-unsigned long get_thread_reg(int reg, jmp_buf *buf)
-{
- switch (reg) {
-#ifdef __i386__
- case EIP:
- return buf[0]->__eip;
- case UESP:
- return buf[0]->__esp;
- case EBP:
- return buf[0]->__ebp;
-#else
- case RIP:
- return buf[0]->__rip;
- case RSP:
- return buf[0]->__rsp;
- case RBP:
- return buf[0]->__rbp;
-#endif
- default:
- printk(UM_KERN_ERR "get_thread_regs - unknown register %d\n",
- reg);
- return 0;
- }
-}
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