--- /dev/null
+/*
+ * Copyright (c) 2007 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: Gabe Black
+ */
+
+#ifndef REGSTATE_AMD64_HH
+#define REGSTATE_AMD64_HH
+
+#include <sys/user.h>
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <cassert>
+#include <string>
+
+#include "base/tracechild.hh"
+
+class AMD64TraceChild : public TraceChild
+{
+ public:
+ enum RegNum
+ {
+ //GPRs
+ RAX, RCX, RDX, RBX,
+ //Base pointer and stack pointer
+ RSP, RBP,
+ //Index registers
+ RSI, RDI,
+ //New 64 bit mode registers
+ R8, R9, R10, R11, R12, R13, R14, R15,
+ //Segmentation registers
+ CS, DS, ES, FS, GS, SS, FS_BASE, GS_BASE,
+ //PC
+ RIP,
+ //Flags
+ EFLAGS,
+ //MMX
+ MMX0_0, MMX0_1,
+ MMX1_0, MMX1_1,
+ MMX2_0, MMX2_1,
+ MMX3_0, MMX3_1,
+ MMX4_0, MMX4_1,
+ MMX5_0, MMX5_1,
+ MMX6_0, MMX6_1,
+ MMX7_0, MMX7_1,
+ //XMM
+ XMM0_0, XMM0_1, XMM0_2, XMM0_3,
+ XMM1_0, XMM1_1, XMM1_2, XMM1_3,
+ XMM2_0, XMM2_1, XMM2_2, XMM2_3,
+ XMM3_0, XMM3_1, XMM3_2, XMM3_3,
+ XMM4_0, XMM4_1, XMM4_2, XMM4_3,
+ XMM5_0, XMM5_1, XMM5_2, XMM5_3,
+ XMM6_0, XMM6_1, XMM6_2, XMM6_3,
+ XMM7_0, XMM7_1, XMM7_2, XMM7_3,
+ XMM8_0, XMM8_1, XMM8_2, XMM8_3,
+ XMM9_0, XMM9_1, XMM9_2, XMM9_3,
+ XMM10_0, XMM10_1, XMM10_2, XMM10_3,
+ XMM11_0, XMM11_1, XMM11_2, XMM11_3,
+ XMM12_0, XMM12_1, XMM12_2, XMM12_3,
+ XMM13_0, XMM13_1, XMM13_2, XMM13_3,
+ XMM14_0, XMM14_1, XMM14_2, XMM14_3,
+ XMM15_0, XMM15_1, XMM15_2, XMM15_3,
+ numregs
+ };
+ private:
+ int64_t getRegs(user_regs_struct & myregs,
+ user_fpregs_struct &myfpregs,int num);
+ user_regs_struct regs;
+ user_regs_struct oldregs;
+ user_fpregs_struct fpregs;
+ user_fpregs_struct oldfpregs;
+ bool regDiffSinceUpdate[numregs];
+
+ uint64_t findSyscall();
+
+ protected:
+ bool update(int pid);
+
+ public:
+
+ AMD64TraceChild();
+
+ bool sendState(int socket);
+
+ int64_t getRegVal(int num);
+ int64_t getOldRegVal(int num);
+ uint64_t getPC() {return getRegVal(RIP);}
+ uint64_t getSP() {return getRegVal(RSP);}
+ std::ostream & outputStartState(std::ostream & output);
+
+ bool step();
+};
+
+#endif
projects / gem5.git / blobdiff