Rename tools/llvm to tools/trusted_cross_toolchains

tools/llvm/qemu_tool.sh

-#!/bin/bash
-#
-# Copyright (c) 2012 The Native Client Authors.  All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-set -o nounset
-set -o errexit
-
-#@ Various commands to emulate arm code using qemu
-#@
-#@ Note: this script is not meant to be run as
-#@     tools/llvm/qemu_tool.sh
-#@ but rather as:
-#@     toolchain/linux_arm-trusted/qemu_tool.sh
-
-# From a qemu build based on qemu-0.10.1.tar.gz
-readonly SDK_ROOT=$(dirname $0)
-readonly QEMU=${SDK_ROOT}/qemu-arm
-readonly QEMU_STOCK=/usr/bin/qemu-arm
-readonly QEMU_JAIL=${SDK_ROOT}
-# NOTE: some useful debugging options for qemu:
-#       env vars:
-#                  QEMU_STRACE=1
-#       args:
-#                  -strace
-#                  -d out_asm,in_asm,op,int,exec,cpu
-#       c.f.  cpu_log_items in qemu-XXX/exec.c
-readonly QEMU_ARGS="-cpu cortex-a8"
-readonly QEMU_ARGS_DEBUG="-d in_asm,int,exec,cpu"
-readonly QEMU_ARGS_DEBUG_SR="-d in_asm,int,exec,cpu,service_runtime"
-
-######################################################################
-# Helpers
-######################################################################
-
-Banner() {
-  echo "######################################################################"
-  echo $*
-  echo "######################################################################"
-}
-
-Usage() {
-  egrep "^#@" $0 | cut --bytes=3-
-}
-
-
-CheckPrerequisites () {
-  if [[ ! -d ${QEMU_JAIL} ]] ; then
-    echo "ERROR:  no proper root-jail directory found"
-    exit -1
-  fi
-}
-
-
-Hints() {
-  echo
-  echo "traces can be found in /tmp/qemu.log"
-  echo "for faster execution disable sel_ldr validation"
-  echo
-}
-
-######################################################################
-
-#@
-#@ help
-#@
-#@   print help for all modes
-help () {
-  Usage
-}
-
-#@
-#@ run
-#@
-#@   run emulation using a locally patched qemu
-run() {
-  CheckPrerequisites
-  exec ${QEMU} -L ${QEMU_JAIL} ${QEMU_ARGS} "$@"
-}
-
-#@
-#@ run_stock
-#@
-#@   run emulation using the stock qemu
-run_stock() {
-  exec ${QEMU_STOCK} -L ${QEMU_JAIL} ${QEMU_ARGS} "$@"
-}
-
-#@
-#@ run_debug
-#@
-#@   run emulation but also generate trace in /tmp
-run_debug() {
-  Hints
-  CheckPrerequisites
-  exec ${QEMU} -L ${QEMU_JAIL} ${QEMU_ARGS} ${QEMU_ARGS_DEBUG} "$@"
-}
-
-#@
-#@ run_debug_service_runtime
-#@
-#@   run emulation but also generate trace in /tmp even for service_runtime
-run_debug_service_runtime() {
-  Hints
-  CheckPrerequisites
-  exec ${QEMU} -L ${QEMU_JAIL} ${QEMU_ARGS} ${QEMU_ARGS_DEBUG_SR} "$@"
-}
-
-#@
-#@ install_stock
-#@
-#@   install stock qemu emulator (for user mode)
-install_stock_qemu() {
-    sudo apt-get install qemu-user
-}
-
-######################################################################
-if [[ "$0" == *run_under_qemu_arm ]] ; then
-  run "$@"
-elif [[ $# -eq 0 ]] ; then
-  echo "you must specify a mode on the commandline:"
-  echo
-  Usage
-  exit -1
-elif [[ "$(type -t $1)" != "function" ]]; then
-  echo "ERROR: unknown function '$1'." >&2
-  echo "For help, try:"
-  echo "    $0 help"
-  exit 1
-else
-  "$@"
-fi