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-rw-r--r--arch/um/os-Linux/sys-i386/Makefile10
-rw-r--r--arch/um/os-Linux/sys-i386/registers.c140
-rw-r--r--arch/um/os-Linux/sys-i386/tls.c34
3 files changed, 0 insertions, 184 deletions
diff --git a/arch/um/os-Linux/sys-i386/Makefile b/arch/um/os-Linux/sys-i386/Makefile
deleted file mode 100644
index b3213613c41..00000000000
--- a/arch/um/os-Linux/sys-i386/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
-# Licensed under the GPL
-#
-
-obj-$(CONFIG_MODE_SKAS) = registers.o tls.o
-
-USER_OBJS := $(obj-y)
-
-include arch/um/scripts/Makefile.rules
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
deleted file mode 100644
index 516f66dd87e..00000000000
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2004 PathScale, Inc
- * Licensed under the GPL
- */
-
-#include <errno.h>
-#include <string.h>
-#include <setjmp.h>
-#include "sysdep/ptrace_user.h"
-#include "sysdep/ptrace.h"
-#include "uml-config.h"
-#include "skas_ptregs.h"
-#include "registers.h"
-#include "user.h"
-
-/* These are set once at boot time and not changed thereafter */
-
-static unsigned long exec_regs[HOST_FRAME_SIZE];
-static unsigned long exec_fp_regs[HOST_FP_SIZE];
-static unsigned long exec_fpx_regs[HOST_XFP_SIZE];
-static int have_fpx_regs = 1;
-
-void init_thread_registers(union uml_pt_regs *to)
-{
- memcpy(to->skas.regs, exec_regs, sizeof(to->skas.regs));
- memcpy(to->skas.fp, exec_fp_regs, sizeof(to->skas.fp));
- if(have_fpx_regs)
- memcpy(to->skas.xfp, exec_fpx_regs, sizeof(to->skas.xfp));
-}
-
-/* XXX These need to use [GS]ETFPXREGS and copy_sc_{to,from}_user_skas needs
- * to pass in a sufficiently large buffer
- */
-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);
-}
-
-static int move_registers(int pid, int int_op, union uml_pt_regs *regs,
- int fp_op, unsigned long *fp_regs)
-{
- if(ptrace(int_op, pid, 0, regs->skas.regs) < 0)
- return(-errno);
-
- if(ptrace(fp_op, pid, 0, fp_regs) < 0)
- return(-errno);
-
- return(0);
-}
-
-void save_registers(int pid, union uml_pt_regs *regs)
-{
- unsigned long *fp_regs;
- int err, fp_op;
-
- if(have_fpx_regs){
- fp_op = PTRACE_GETFPXREGS;
- fp_regs = regs->skas.xfp;
- }
- else {
- fp_op = PTRACE_GETFPREGS;
- fp_regs = regs->skas.fp;
- }
-
- err = move_registers(pid, PTRACE_GETREGS, regs, fp_op, fp_regs);
- if(err)
- panic("save_registers - saving registers failed, errno = %d\n",
- -err);
-}
-
-void restore_registers(int pid, union uml_pt_regs *regs)
-{
- unsigned long *fp_regs;
- int err, fp_op;
-
- if(have_fpx_regs){
- fp_op = PTRACE_SETFPXREGS;
- fp_regs = regs->skas.xfp;
- }
- else {
- fp_op = PTRACE_SETFPREGS;
- fp_regs = regs->skas.fp;
- }
-
- err = move_registers(pid, PTRACE_SETREGS, regs, fp_op, fp_regs);
- if(err)
- panic("restore_registers - saving registers failed, "
- "errno = %d\n", -err);
-}
-
-void init_registers(int pid)
-{
- int err;
-
- err = ptrace(PTRACE_GETREGS, pid, 0, exec_regs);
- if(err)
- panic("check_ptrace : PTRACE_GETREGS failed, errno = %d",
- errno);
-
- errno = 0;
- err = ptrace(PTRACE_GETFPXREGS, pid, 0, exec_fpx_regs);
- if(!err)
- return;
- if(errno != EIO)
- panic("check_ptrace : PTRACE_GETFPXREGS failed, errno = %d",
- errno);
-
- have_fpx_regs = 0;
-
- err = ptrace(PTRACE_GETFPREGS, pid, 0, exec_fp_regs);
- if(err)
- panic("check_ptrace : PTRACE_GETFPREGS failed, errno = %d",
- errno);
-}
-
-void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)
-{
- memcpy(regs, exec_regs, HOST_FRAME_SIZE * sizeof(unsigned long));
- if(fp_regs != NULL)
- memcpy(fp_regs, exec_fp_regs,
- HOST_FP_SIZE * sizeof(unsigned long));
-}
-
-void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer)
-{
- struct __jmp_buf_tag *jmpbuf = buffer;
-
- UPT_SET(uml_regs, EIP, jmpbuf->__jmpbuf[JB_PC]);
- UPT_SET(uml_regs, UESP, jmpbuf->__jmpbuf[JB_SP]);
- UPT_SET(uml_regs, EBP, jmpbuf->__jmpbuf[JB_BP]);
-}
diff --git a/arch/um/os-Linux/sys-i386/tls.c b/arch/um/os-Linux/sys-i386/tls.c
deleted file mode 100644
index 120abbe4e3c..00000000000
--- a/arch/um/os-Linux/sys-i386/tls.c
+++ /dev/null
@@ -1,34 +0,0 @@
-#include <errno.h>
-#include <linux/unistd.h>
-#include "sysdep/tls.h"
-#include "user_util.h"
-
-static _syscall1(int, get_thread_area, user_desc_t *, u_info);
-
-/* Checks whether host supports TLS, and sets *tls_min according to the value
- * valid on the host.
- * i386 host have it == 6; x86_64 host have it == 12, for i386 emulation. */
-void check_host_supports_tls(int *supports_tls, int *tls_min) {
- /* Values for x86 and x86_64.*/
- int val[] = {GDT_ENTRY_TLS_MIN_I386, GDT_ENTRY_TLS_MIN_X86_64};
- int i;
-
- for (i = 0; i < ARRAY_SIZE(val); i++) {
- user_desc_t info;
- info.entry_number = val[i];
-
- if (get_thread_area(&info) == 0) {
- *tls_min = val[i];
- *supports_tls = 1;
- return;
- } else {
- if (errno == EINVAL)
- continue;
- else if (errno == ENOSYS)
- *supports_tls = 0;
- return;
- }
- }
-
- *supports_tls = 0;
-}