Statetrace: Accomodate cross compiling statetrace with scons.

--HG--
rename : util/statetrace/arch/tracechild_amd64.cc => util/statetrace/arch/amd64/tracechild.cc
rename : util/statetrace/arch/tracechild_amd64.hh => util/statetrace/arch/amd64/tracechild.hh
rename : util/statetrace/arch/tracechild_arm.cc => util/statetrace/arch/arm/tracechild.cc
rename : util/statetrace/arch/tracechild_arm.hh => util/statetrace/arch/arm/tracechild.hh
rename : util/statetrace/arch/tracechild_i386.cc => util/statetrace/arch/i386/tracechild.cc
rename : util/statetrace/arch/tracechild_i386.hh => util/statetrace/arch/i386/tracechild.hh
rename : util/statetrace/arch/tracechild_sparc.cc => util/statetrace/arch/sparc/tracechild.cc
rename : util/statetrace/arch/tracechild_sparc.hh => util/statetrace/arch/sparc/tracechild.hh
rename : util/statetrace/tracechild_arch.cc => util/statetrace/base/arch_check.h
rename : util/statetrace/regstate.hh => util/statetrace/base/regstate.hh
rename : util/statetrace/statetrace.cc => util/statetrace/base/statetrace.cc
rename : util/statetrace/tracechild.cc => util/statetrace/base/tracechild.cc
rename : util/statetrace/tracechild.hh => util/statetrace/base/tracechild.hh

1 files changed, 107 insertions, 0 deletions

diff --git a/util/statetrace/arch/arm/tracechild.hh b/util/statetrace/arch/arm/tracechild.hh
new file mode 100644
index 000000000..f4e8ca694
--- /dev/null
+++ b/util/statetrace/arch/arm/tracechild.hh
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2010 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * Copyright (c) 2009 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Ali Saidi
+ *          Gabe Black
+ */
+
+#ifndef TRACECHILD_ARM_HH
+#define TRACECHILD_ARM_HH
+
+#include <cassert>
+#include <string>
+#include <sys/user.h>
+#include <sys/ptrace.h>
+#include "base/tracechild.hh"
+
+
+class ARMTraceChild : public TraceChild
+{
+  public:
+    enum RegNum
+    {
+        // r0 - r3 argument, temp, caller save
+        // r4 - r10 callee save
+        // r11 - FP
+        // r12 - temp
+        // r13 - stack
+        // r14 - link
+        // r15 - pc
+        R0, R1, R2, R3, R4, R5, R6, R7,
+        R8, R9, R10, FP, R12, SP, LR, PC,
+        CPSR,
+        numregs
+    };
+  private:
+    uint32_t getRegs(user_regs& myregs, int num);
+    user_regs regs;
+    user_regs oldregs;
+    bool regDiffSinceUpdate[numregs];
+    bool foundMvn;
+
+  protected:
+    bool update(int pid);
+
+  public:
+    ARMTraceChild();
+    bool sendState(int socket);
+
+    int64_t getRegVal(int num);
+    int64_t getOldRegVal(int num);
+
+    bool step();
+
+    uint64_t
+    getPC()
+    {
+        return getRegVal(PC);
+    }
+
+    uint64_t
+    getSP()
+    {
+        return getRegVal(SP);
+    }
+
+    std::ostream & outputStartState(std::ostream & os);
+
+};
+
+#endif
+