--- /dev/null
+# Copyright (c) 2006 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
+
+.PHONY: statetrace
+
+statetrace: statetrace-native
+
+statetrace-native: statetrace.cc tracechild.cc tracechild_arch.cc printer.cc printer.hh refcnt.hh regstate.hh tracechild.hh
+ g++ statetrace.cc tracechild.cc tracechild_arch.cc printer.cc -I ./ -I ./arch/ -O3 --static -o statetrace
+
+statetrace-sparc: statetrace.cc tracechild.cc tracechild_arch.cc printer.cc printer.hh refcnt.hh regstate.hh tracechild.hh
+ sparc64-unknown-linux-gnu-g++ statetrace.cc tracechild.cc tracechild_arch.cc printer.cc -I ./ -I ./arch/ -O3 --static -o statetrace
--- /dev/null
+/*
+ * Copyright (c) 2006 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
+ */
+
+#include <iostream>
+#include <errno.h>
+#include <sys/ptrace.h>
+#include <stdint.h>
+
+#include "tracechild_i386.hh"
+
+using namespace std;
+
+char * I386TraceChild::regNames[numregs] = {
+ //GPRs
+ "eax", "ebx", "ecx", "edx",
+ //Index registers
+ "esi", "edi",
+ //Base pointer and stack pointer
+ "ebp", "esp",
+ //Segmentation registers
+ "cs", "ds", "es", "fs", "gs", "ss",
+ //PC
+ "eip"};
+
+int64_t I386TraceChild::getRegs(user_regs_struct & myregs, int num)
+{
+ assert(num < numregs && num >= 0);
+ switch(num)
+ {
+ //GPRs
+ case EAX: return myregs.eax;
+ case EBX: return myregs.ebx;
+ case ECX: return myregs.ecx;
+ case EDX: return myregs.edx;
+ //Index registers
+ case ESI: return myregs.esi;
+ case EDI: return myregs.edi;
+ //Base pointer and stack pointer
+ case EBP: return myregs.ebp;
+ case ESP: return myregs.esp;
+ //Segmentation registers
+ case CS: return myregs.cs;
+ case DS: return myregs.ds;
+ case ES: return myregs.es;
+ case FS: return myregs.fs;
+ case GS: return myregs.gs;
+ case SS: return myregs.ss;
+ //PC
+ case EIP: return myregs.eip;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+bool I386TraceChild::update(int pid)
+{
+ oldregs = regs;
+ if(ptrace(PTRACE_GETREGS, pid, 0, ®s) != 0)
+ return false;
+ for(unsigned int x = 0; x < numregs; x++)
+ {
+ regDiffSinceUpdate[x] =
+ (getRegVal(x) != getOldRegVal(x));
+ }
+}
+
+I386TraceChild::I386TraceChild()
+{
+ for(unsigned int x = 0; x < numregs; x++)
+ regDiffSinceUpdate[x] = false;
+}
+
+int64_t I386TraceChild::getRegVal(int num)
+{
+ return getRegs(regs, num);
+}
+
+int64_t I386TraceChild::getOldRegVal(int num)
+{
+ return getRegs(oldregs, num);
+}
+
+char * I386TraceChild::printReg(int num)
+{
+ sprintf(printBuffer, "0x%08X", getRegVal(num));
+ return printBuffer;
+}
+
+TraceChild * genTraceChild()
+{
+ return new I386TraceChild;
+}
--- /dev/null
+/*
+ * Copyright (c) 2006 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_I386_HH
+#define REGSTATE_I386_HH
+
+#include <linux/user.h>
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <assert.h>
+#include <string>
+
+#include "tracechild.hh"
+
+class I386TraceChild : public TraceChild
+{
+public:
+ enum RegNum
+ {
+ //GPRs
+ EAX, EBX, ECX, EDX,
+ //Index registers
+ ESI, EDI,
+ //Base pointer and stack pointer
+ EBP, ESP,
+ //Segmentation registers
+ CS, DS, ES, FS, GS, SS,
+ //PC
+ EIP,
+ numregs
+ };
+private:
+ char printBuffer [256];
+ static char * regNames[numregs];
+ int64_t getRegs(user_regs_struct & myregs, int num);
+ user_regs_struct regs;
+ user_regs_struct oldregs;
+ bool regDiffSinceUpdate[numregs];
+
+protected:
+ bool update(int pid);
+
+public:
+
+ I386TraceChild();
+
+ int getNumRegs()
+ {
+ return numregs;
+ }
+
+ bool diffSinceUpdate(int num)
+ {
+ assert(num < numregs && num >= 0);
+ return regDiffSinceUpdate[num];
+ }
+
+ std::string getRegName(int num)
+ {
+ assert(num < numregs && num >= 0);
+ return regNames[num];
+ }
+
+ int64_t getRegVal(int num);
+ int64_t getOldRegVal(int num);
+ uint64_t getPC() {return getRegVal(EIP);}
+ uint64_t getSP() {return getRegVal(ESP);}
+ std::ostream & outputStartState(std::ostream & output)
+ {
+ output << "Printing i386 initial state not yet implemented"
+ << std::endl;
+ return output;
+ }
+
+ char * printReg(int num);
+};
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2006 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
+ */
+
+#include <iostream>
+#include <errno.h>
+#include <sys/ptrace.h>
+#include <stdint.h>
+
+#include "tracechild_sparc.hh"
+
+using namespace std;
+
+string SparcTraceChild::regNames[numregs] = {
+ //Global registers
+ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
+ //Output registers
+ "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
+ //Local registers
+ "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
+ //Input registers
+ "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
+ //Floating point
+ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
+ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
+ //Miscelaneous
+ "fsr", "fprs", "pc", "npc", "y", "cwp", "pstate", "asi", "ccr"};
+
+int64_t getRegs(regs & myregs, fpu & myfpu,
+ int64_t * locals, int64_t * inputs, int num)
+{
+ assert(num < SparcTraceChild::numregs && num >= 0);
+ switch(num)
+ {
+ //Global registers
+ case SparcTraceChild::G0: return 0;
+ case SparcTraceChild::G1: return myregs.r_g1;
+ case SparcTraceChild::G2: return myregs.r_g2;
+ case SparcTraceChild::G3: return myregs.r_g3;
+ case SparcTraceChild::G4: return myregs.r_g4;
+ case SparcTraceChild::G5: return myregs.r_g5;
+ case SparcTraceChild::G6: return myregs.r_g6;
+ case SparcTraceChild::G7: return myregs.r_g7;
+ //Output registers
+ case SparcTraceChild::O0: return myregs.r_o0;
+ case SparcTraceChild::O1: return myregs.r_o1;
+ case SparcTraceChild::O2: return myregs.r_o2;
+ case SparcTraceChild::O3: return myregs.r_o3;
+ case SparcTraceChild::O4: return myregs.r_o4;
+ case SparcTraceChild::O5: return myregs.r_o5;
+ case SparcTraceChild::O6: return myregs.r_o6;
+ case SparcTraceChild::O7: return myregs.r_o7;
+ //Local registers
+ case SparcTraceChild::L0: return locals[0];
+ case SparcTraceChild::L1: return locals[1];
+ case SparcTraceChild::L2: return locals[2];
+ case SparcTraceChild::L3: return locals[3];
+ case SparcTraceChild::L4: return locals[4];
+ case SparcTraceChild::L5: return locals[5];
+ case SparcTraceChild::L6: return locals[6];
+ case SparcTraceChild::L7: return locals[7];
+ //Input registers
+ case SparcTraceChild::I0: return inputs[0];
+ case SparcTraceChild::I1: return inputs[1];
+ case SparcTraceChild::I2: return inputs[2];
+ case SparcTraceChild::I3: return inputs[3];
+ case SparcTraceChild::I4: return inputs[4];
+ case SparcTraceChild::I5: return inputs[5];
+ case SparcTraceChild::I6: return inputs[6];
+ case SparcTraceChild::I7: return inputs[7];
+ //Floating point
+ case SparcTraceChild::F0: return myfpu.f_fpstatus.fpu_fr[0];
+ case SparcTraceChild::F1: return myfpu.f_fpstatus.fpu_fr[1];
+ case SparcTraceChild::F2: return myfpu.f_fpstatus.fpu_fr[2];
+ case SparcTraceChild::F3: return myfpu.f_fpstatus.fpu_fr[3];
+ case SparcTraceChild::F4: return myfpu.f_fpstatus.fpu_fr[4];
+ case SparcTraceChild::F5: return myfpu.f_fpstatus.fpu_fr[5];
+ case SparcTraceChild::F6: return myfpu.f_fpstatus.fpu_fr[6];
+ case SparcTraceChild::F7: return myfpu.f_fpstatus.fpu_fr[7];
+ case SparcTraceChild::F8: return myfpu.f_fpstatus.fpu_fr[8];
+ case SparcTraceChild::F9: return myfpu.f_fpstatus.fpu_fr[9];
+ case SparcTraceChild::F10: return myfpu.f_fpstatus.fpu_fr[10];
+ case SparcTraceChild::F11: return myfpu.f_fpstatus.fpu_fr[11];
+ case SparcTraceChild::F12: return myfpu.f_fpstatus.fpu_fr[12];
+ case SparcTraceChild::F13: return myfpu.f_fpstatus.fpu_fr[13];
+ case SparcTraceChild::F14: return myfpu.f_fpstatus.fpu_fr[14];
+ case SparcTraceChild::F15: return myfpu.f_fpstatus.fpu_fr[15];
+ case SparcTraceChild::F16: return myfpu.f_fpstatus.fpu_fr[16];
+ case SparcTraceChild::F17: return myfpu.f_fpstatus.fpu_fr[17];
+ case SparcTraceChild::F18: return myfpu.f_fpstatus.fpu_fr[18];
+ case SparcTraceChild::F19: return myfpu.f_fpstatus.fpu_fr[19];
+ case SparcTraceChild::F20: return myfpu.f_fpstatus.fpu_fr[20];
+ case SparcTraceChild::F21: return myfpu.f_fpstatus.fpu_fr[21];
+ case SparcTraceChild::F22: return myfpu.f_fpstatus.fpu_fr[22];
+ case SparcTraceChild::F23: return myfpu.f_fpstatus.fpu_fr[23];
+ case SparcTraceChild::F24: return myfpu.f_fpstatus.fpu_fr[24];
+ case SparcTraceChild::F25: return myfpu.f_fpstatus.fpu_fr[25];
+ case SparcTraceChild::F26: return myfpu.f_fpstatus.fpu_fr[26];
+ case SparcTraceChild::F27: return myfpu.f_fpstatus.fpu_fr[27];
+ case SparcTraceChild::F28: return myfpu.f_fpstatus.fpu_fr[28];
+ case SparcTraceChild::F29: return myfpu.f_fpstatus.fpu_fr[29];
+ case SparcTraceChild::F30: return myfpu.f_fpstatus.fpu_fr[30];
+ case SparcTraceChild::F31: return myfpu.f_fpstatus.fpu_fr[31];
+ //Miscelaneous
+ case SparcTraceChild::FSR: return myfpu.f_fpstatus.Fpu_fsr;
+ case SparcTraceChild::FPRS: return myregs.r_fprs;
+ case SparcTraceChild::PC: return myregs.r_tpc;
+ case SparcTraceChild::NPC: return myregs.r_tnpc;
+ case SparcTraceChild::Y: return myregs.r_y;
+ case SparcTraceChild::CWP:
+ return (myregs.r_tstate >> 0) & ((1 << 5) - 1);
+ case SparcTraceChild::PSTATE:
+ return (myregs.r_tstate >> 8) & ((1 << 13) - 1);
+ case SparcTraceChild::ASI:
+ return (myregs.r_tstate >> 24) & ((1 << 8) - 1);
+ case SparcTraceChild::CCR:
+ return (myregs.r_tstate >> 32) & ((1 << 8) - 1);
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+bool SparcTraceChild::update(int pid)
+{
+ static const int stackBias = 2047;
+ memcpy(&oldregs, &theregs, sizeof(regs));
+ memcpy(&oldfpregs, &thefpregs, sizeof(fpu));
+ memcpy(oldLocals, locals, 8 * sizeof(uint64_t));
+ memcpy(oldInputs, inputs, 8 * sizeof(uint64_t));
+ if(ptrace(PTRACE_GETREGS, pid, &theregs, 0) != 0)
+ {
+ cerr << "Update failed" << endl;
+ return false;
+ }
+ uint64_t StackPointer = getRegVal(O6);
+ for(unsigned int x = 0; x < 8; x++)
+ {
+ locals[x] = ptrace(PTRACE_PEEKTEXT, pid,
+ StackPointer + stackBias + x * 8, 0);
+ inputs[x] = ptrace(PTRACE_PEEKTEXT, pid,
+ StackPointer + stackBias + x * 8 + (8 * 8), 0);
+ }
+ if(ptrace(PTRACE_GETFPREGS, pid, &thefpregs, 0) != 0)
+ return false;
+ for(unsigned int x = 0; x < numregs; x++)
+ regDiffSinceUpdate[x] = (getRegVal(x) != getOldRegVal(x));
+ return true;
+}
+
+SparcTraceChild::SparcTraceChild()
+{
+ for(unsigned int x = 0; x < numregs; x++)
+ regDiffSinceUpdate[x] = false;
+}
+
+bool SparcTraceChild::step()
+{
+ //Two important considerations are that the address of the instruction
+ //being breakpointed should be word (64bit) aligned, and that both the
+ //next instruction and the instruction after that need to be breakpointed
+ //so that annulled branches will still stop as well.
+ const static uint64_t breakInst = 0x91d02001;
+ const static uint64_t breakWord = breakInst | (breakInst << 32);
+ const static uint64_t lowMask = (uint64_t)(0xFFFFFFFF);
+ const static uint64_t highMask = lowMask << 32;
+ uint64_t originalInst, originalAnnulInst;
+ uint64_t nextPC = getRegVal(NPC);
+ bool unaligned = nextPC & 7;
+ uint64_t alignedPC = nextPC & (~7);
+ originalInst = ptrace(PTRACE_PEEKTEXT, pid, alignedPC, 0);
+ if(unaligned)
+ {
+ originalAnnulInst = ptrace(PTRACE_PEEKTEXT, pid, alignedPC+8, 0);
+ }
+ uint64_t newInst;
+ if(unaligned)
+ {
+ newInst = (originalInst & highMask) | (breakInst << 0);
+ if(ptrace(PTRACE_POKETEXT, pid, alignedPC, newInst) != 0)
+ cerr << "Poke failed" << endl;
+ newInst = (originalAnnulInst & lowMask) | (breakInst << 32);
+ if(ptrace(PTRACE_POKETEXT, pid, alignedPC+8, newInst) != 0)
+ cerr << "Poke failed" << endl;
+ }
+ else
+ {
+ if(ptrace(PTRACE_POKETEXT, pid, alignedPC, breakWord) != 0)
+ cerr << "Poke failed" << endl;
+ }
+ //Note that the "addr" parameter is supposed to be ignored, but in at
+ //least one version of the kernel, it must be 1 or it will set what
+ //pc to continue from
+ if(ptrace(PTRACE_CONT, pid, /*nextPC - 4*/ 1, 0) != 0)
+ cerr << "Cont failed" << endl;
+ doWait();
+ update(pid);
+ if(ptrace(PTRACE_POKETEXT, pid, alignedPC, originalInst) != 0)
+ cerr << "Repoke failed" << endl;
+ if(unaligned)
+ {
+ if(ptrace(PTRACE_POKETEXT, pid, alignedPC+8, originalAnnulInst) != 0)
+ cerr << "Repoke failed" << endl;
+ }
+ return true;
+}
+
+int64_t SparcTraceChild::getRegVal(int num)
+{
+ return getRegs(theregs, thefpregs, locals, inputs, num);
+}
+
+int64_t SparcTraceChild::getOldRegVal(int num)
+{
+ return getRegs(oldregs, oldfpregs, oldLocals, oldInputs, num);
+}
+
+char * SparcTraceChild::printReg(int num)
+{
+ sprintf(printBuffer, "0x%016llx", getRegVal(num));
+ return printBuffer;
+}
+
+ostream & SparcTraceChild::outputStartState(ostream & os)
+{
+ uint64_t sp = getSP();
+ uint64_t pc = getPC();
+ char obuf[1024];
+ sprintf(obuf, "Initial stack pointer = 0x%016llx\n", sp);
+ os << obuf;
+ sprintf(obuf, "Initial program counter = 0x%016llx\n", pc);
+ os << obuf;
+ //Take out the stack bias
+ sp += 2047;
+ //Output the window save area
+ for(unsigned int x = 0; x < 16; x++)
+ {
+ uint64_t regspot = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ sprintf(obuf, "0x%016llx: Window save %d = 0x%016llx\n",
+ sp, x+1, regspot);
+ os << obuf;
+ sp += 8;
+ }
+ //Output the argument count
+ uint64_t cargc = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ sprintf(obuf, "0x%016llx: Argc = 0x%016llx\n", sp, cargc);
+ os << obuf;
+ sp += 8;
+ //Output argv pointers
+ int argCount = 0;
+ uint64_t cargv;
+ do
+ {
+ cargv = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ sprintf(obuf, "0x%016llx: argv[%d] = 0x%016llx\n",
+ sp, argCount++, cargv);
+ os << obuf;
+ sp += 8;
+ } while(cargv);
+ //Output the envp pointers
+ int envCount = 0;
+ uint64_t cenvp;
+ do
+ {
+ cenvp = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ sprintf(obuf, "0x%016llx: envp[%d] = 0x%016llx\n",
+ sp, envCount++, cenvp);
+ os << obuf;
+ sp += 8;
+ } while(cenvp);
+ uint64_t auxType, auxVal;
+ do
+ {
+ auxType = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ sp += 8;
+ auxVal = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ sp += 8;
+ sprintf(obuf, "0x%016llx: Auxiliary vector = {0x%016llx, 0x%016llx}\n",
+ sp - 16, auxType, auxVal);
+ os << obuf;
+ } while(auxType != 0 || auxVal != 0);
+ //Print out the argument strings, environment strings, and file name.
+ string current;
+ uint64_t buf;
+ uint64_t currentStart = sp;
+ bool clearedInitialPadding = false;
+ do
+ {
+ buf = ptrace(PTRACE_PEEKDATA, pid, sp, 0);
+ char * cbuf = (char *)&buf;
+ for(int x = 0; x < sizeof(uint64_t); x++)
+ {
+ if(cbuf[x])
+ current += cbuf[x];
+ else
+ {
+ sprintf(obuf, "0x%016llx: \"%s\"\n",
+ currentStart, current.c_str());
+ os << obuf;
+ current = "";
+ currentStart = sp + x + 1;
+ }
+ }
+ sp += 8;
+ clearedInitialPadding = clearedInitialPadding || buf != 0;
+ } while(!clearedInitialPadding || buf != 0);
+ return os;
+}
+
+TraceChild * genTraceChild()
+{
+ return new SparcTraceChild;
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2006 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 TRACECHILD_SPARC_HH
+#define TRACECHILD_SPARC_HH
+
+#include <asm-sparc64/reg.h>
+#include <assert.h>
+#include <ostream>
+#include <stdint.h>
+#include <string>
+#include <sys/ptrace.h>
+#include <sys/types.h>
+
+#include "tracechild.hh"
+
+struct regs;
+
+class SparcTraceChild : public TraceChild
+{
+public:
+ enum RegNum
+ {
+ //Global registers
+ G0, G1, G2, G3, G4, G5, G6, G7,
+ //Output registers
+ O0, O1, O2, O3, O4, O5, O6, O7,
+ //Local registers
+ L0, L1, L2, L3, L4, L5, L6, L7,
+ //Input registers
+ I0, I1, I2, I3, I4, I5, I6, I7,
+ //Floating point
+ F0, F1, F2, F3, F4, F5, F6, F7,
+ F8, F9, F10, F11, F12, F13, F14, F15,
+ F16, F17, F18, F19, F20, F21, F22, F23,
+ F24, F25, F26, F27, F28, F29, F30, F31,
+ //Miscelaneous
+ FSR, FPRS, PC, NPC, Y, CWP, PSTATE, ASI, CCR,
+ numregs
+ };
+private:
+ char printBuffer[256];
+ static std::string regNames[numregs];
+ regs theregs;
+ regs oldregs;
+ fpu thefpregs;
+ fpu oldfpregs;
+ int64_t locals[8];
+ int64_t oldLocals[8];
+ int64_t inputs[8];
+ int64_t oldInputs[8];
+ bool regDiffSinceUpdate[numregs];
+
+protected:
+ bool update(int pid);
+
+public:
+ SparcTraceChild();
+
+ int getNumRegs()
+ {
+ return numregs;
+ }
+
+ bool diffSinceUpdate(int num)
+ {
+ assert(num < numregs && num >= 0);
+ return regDiffSinceUpdate[num];
+ }
+
+ std::string getRegName(int num)
+ {
+ assert(num < numregs && num >= 0);
+ return regNames[num];
+ }
+
+ int64_t getRegVal(int num);
+
+ int64_t getOldRegVal(int num);
+
+ bool step();
+
+ uint64_t getPC()
+ {
+ return getRegVal(PC);
+ }
+
+ uint64_t getSP()
+ {
+ return getRegVal(O6);
+ }
+
+ char * printReg(int num);
+
+ std::ostream & outputStartState(std::ostream & os);
+};
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2006 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
+ */
+
+#include "tracechild.hh"
+#include "printer.hh"
+
+using namespace std;
+
+//Types of printers. If none is found, or there is an error in the input,
+//there are psuedo types to return.
+enum PrinterType {PRINTER_NONE, PRINTER_ERROR, PRINTER_NESTING, PRINTER_REG};
+
+int findEndOfRegPrinter(string, int);
+int findEndOfNestingPrinter(string, int);
+PrinterType findSub(string, int &, int &);
+
+//This is pretty easy. Just find the closing parenthesis.
+int findEndOfRegPrinter(string config, int startPos)
+{
+ int pos = config.find(")", startPos);
+ if(pos == string::npos)
+ {
+ cerr << "Couldn't find the closing parenthesis for a reg printer" << endl;
+ return 0;
+ }
+ return pos;
+}
+
+//This is a little harder. We need to make sure we don't
+//grab an ending parenthesis that belongs to the nesting printer.
+int findEndOfNestingPrinter(string config, int startPos)
+{
+ int length = config.length();
+ int pos = startPos;
+ int endPos = length;
+ int parenPos = config.find(")", pos);
+ //If we didn't find an ending parenthesis at all, we're in trouble
+ if(parenPos == string::npos)
+ {
+ cerr << "Couldn't find the closing parenthesis for a nesting printer on the first try" << endl;
+ return 0;
+ }
+ //Keep pulling out embedded stuff until we can't any more
+ //we need to make sure we aren't skipping over the parenthesis
+ //that ends -this- printer.
+ PrinterType type = findSub(config, pos, endPos);
+ if(type == PRINTER_ERROR)
+ return 0;
+ while(type != PRINTER_NONE && endPos >= parenPos)
+ {
+ //Find the next closest ending parenthesis since we passed
+ //up the last one
+ parenPos = config.find(")", endPos + 1);
+ //If we didn't find one, we're in trouble
+ if(parenPos == string::npos)
+ {
+ cerr << "Couldn't find the closing parenthesis for a nested printer on later tries" << endl;
+ return 0;
+ }
+ //Start looking for the end of this printer and embedded
+ //stuff past the one we just found
+ pos = endPos + 1;
+ //Reset endPos so we search to the end of config
+ endPos = length;
+ type = findSub(config, pos, endPos);
+ if(type == PRINTER_ERROR)
+ return 0;
+ }
+ //We ran out of embedded items, and we didn't pass up our last
+ //closing paren. This must be the end of this printer.
+ return parenPos;
+}
+
+//Find a sub printer. This looks for things which have a type defining
+//character and then an opening parenthesis. The type is returned, and
+//startPos and endPos are set to the beginning and end of the sub printer
+//On entry, the search starts at index startPos and ends at either index
+//endPos or a closing parenthesis, whichever comes first
+PrinterType findSub(string config, int & startPos, int & endPos)
+{
+ int length = config.length();
+ //Figure out where the different types of sub printers may start
+ int regPos = config.find("%(", startPos);
+ int nestingPos = config.find("~(", startPos);
+ //If a type of printer wasn't found, say it was found too far away.
+ //This simplifies things later
+ if(regPos == string::npos)
+ regPos = endPos;
+ if(nestingPos == string::npos)
+ nestingPos = endPos;
+ //If we find a closing paren, that marks the
+ //end of the region we're searching.
+ int closingPos = config.find(")", startPos);
+ if(closingPos != string::npos &&
+ closingPos < regPos &&
+ closingPos < nestingPos)
+ return PRINTER_NONE;
+ //If we didn't find anything close enough, say so.
+ if(regPos >= endPos && nestingPos >= endPos)
+ return PRINTER_NONE;
+ //At this point, we know that one of the options starts legally
+ //We need to find which one is first and return that
+ if(regPos < nestingPos)
+ {
+ int regEnd = findEndOfRegPrinter(config, regPos + 2);
+ //If we couldn't find the end...
+ if(!regEnd)
+ {
+ cerr << "Couldn't find the end of the reg printer" << endl;
+ return PRINTER_ERROR;
+ }
+ //Report the sub printer's vitals.
+ startPos = regPos;
+ endPos = regEnd;
+ return PRINTER_REG;
+ }
+ else
+ {
+ int nestingEnd = findEndOfNestingPrinter(config, nestingPos + 2);
+ //If we couldn't find the end...
+ if(!nestingEnd)
+ {
+ cerr << "Couldn't find the end of the nesting printer" << endl;
+ return PRINTER_ERROR;
+ }
+ //Report the sub printer's vitals.
+ startPos = nestingPos;
+ endPos = nestingEnd;
+ return PRINTER_NESTING;
+ }
+ return PRINTER_NONE;
+}
+
+//Set up a nesting printer. This printer can contain sub printers
+bool NestingPrinter::configure(string config)
+{
+ //Clear out any old stuff
+ constStrings.clear();
+ numPrinters = 0;
+ printers.clear();
+ int length = config.length();
+ int startPos = 0, endPos = length;
+ int lastEndPos = -1;
+ //Try to find a sub printer
+ PrinterType type = findSub(config, startPos, endPos);
+ if(type == PRINTER_ERROR)
+ {
+ cerr << "Problem finding first sub printer" << endl;
+ return false;
+ }
+ while(type != PRINTER_NONE)
+ {
+ string prefix = config.substr(lastEndPos + 1, startPos - lastEndPos - 1);
+ lastEndPos = endPos;
+ constStrings.push_back(prefix);
+ string subConfig, subString;
+ int commaPos, lastCommaPos, childSwitchVar;
+ switch(type)
+ {
+ //If we found a plain register printer
+ case PRINTER_REG:
+ numPrinters++;
+ //Get the register name
+ subConfig = config.substr(startPos + 2, endPos - startPos - 2);
+ //Set up the register printer
+ RegPrinter * regPrinter = new RegPrinter(child);
+ if(!regPrinter->configure(subConfig))
+ {
+ delete regPrinter;
+ cerr << "Error configuring reg printer" << endl;
+ return false;
+ }
+ printers.push_back(regPrinter);
+ break;
+ //If we found an embedded nesting printer
+ case PRINTER_NESTING:
+ numPrinters++;
+ //Punt on reading in all the parameters of the nesting printer
+ NestingPrinter * nestingPrinter = new NestingPrinter(child);
+ subConfig = config.substr(startPos + 2, endPos - startPos - 2);
+ lastCommaPos = string::npos;
+ commaPos = subConfig.find(",");
+ if(commaPos == string::npos)
+ return false;
+ childSwitchVar = child->getRegNum(subConfig.substr(0, commaPos));
+ if(childSwitchVar == -1)
+ {
+ cerr << "Couldn't configure switching variable!" << endl;
+ return false;
+ }
+ //Eat up remaining arguments
+ while(commaPos != string::npos)
+ {
+ lastCommaPos = commaPos;
+ commaPos = subConfig.find(",", commaPos + 1);
+ }
+ if(lastCommaPos != string::npos)
+ {
+ subConfig = subConfig.substr(lastCommaPos + 1, subConfig.length() - lastCommaPos - 1);
+ }
+ if(!nestingPrinter->configure(subConfig))
+ {
+ delete nestingPrinter;
+ cerr << "Error configuring nesting printer" << endl;
+ return false;
+ }
+ nestingPrinter->switchVar = childSwitchVar;
+ printers.push_back(nestingPrinter);
+ break;
+ default:
+ cerr << "Unrecognized printer type" << endl;
+ return false;
+ }
+ //Move down past what we just parsed
+ startPos = endPos + 1;
+ endPos = length;
+ type = findSub(config, startPos, endPos);
+ if(type == PRINTER_ERROR)
+ {
+ cerr << "Unable to find subprinters on later tries" << endl;
+ return false;
+ }
+ }
+ //Put in the trailing stuff
+ string trailer = config.substr(startPos, length - startPos);
+ constStrings.push_back(trailer);
+ return true;
+}
+
+bool RegPrinter::configure(string config)
+{
+ //Figure out what our register number is based on the name we're given
+ int num = child->getRegNum(config);
+ if(num == -1)
+ {
+ cerr << "Couldn't find register " << config << endl;
+ return false;
+ }
+ regNum(num);
+ return true;
+}
+
+ostream & NestingPrinter::writeOut(ostream & os)
+{
+ if(switchVar == -1 || child->diffSinceUpdate(switchVar))
+ {
+ int x;
+ for(x = 0; x < numPrinters; x++)
+ {
+ os << constStrings[x];
+ os << printers[x];
+ }
+ os << constStrings[x];
+ }
+ return os;
+}
+
+ostream & RegPrinter::writeOut(ostream & os)
+{
+ os << child->printReg(intRegNum);
+ return os;
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2006 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 PRINTER_HH
+#define PRINTER_HH
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "refcnt.hh"
+
+class TraceChild;
+class PrinterObject;
+
+typedef RefCountingPtr<PrinterObject> PrinterPointer;
+
+class PrinterObject : public RefCounted
+{
+ protected:
+ TraceChild * child;
+ public:
+ PrinterObject(TraceChild * newChild) : child(newChild)
+ {;}
+ virtual std::ostream & writeOut(std::ostream & os) = 0;
+ virtual bool configure(std::string) = 0;
+};
+
+class NestingPrinter : public PrinterObject
+{
+ private:
+ std::vector<std::string> constStrings;
+ std::vector<PrinterPointer> printers;
+ int switchVar;
+ int numPrinters;
+ public:
+ NestingPrinter(TraceChild * newChild) :
+ PrinterObject(newChild), numPrinters(0), switchVar(-1)
+ {;}
+
+ bool configure(std::string);
+
+ std::ostream & writeOut(std::ostream & os);
+};
+
+class RegPrinter : public PrinterObject
+{
+ private:
+ int intRegNum;
+ public:
+ RegPrinter(TraceChild * newChild, int num = 0) :
+ PrinterObject(newChild), intRegNum(num)
+ {;}
+
+ void regNum(int num)
+ {
+ intRegNum = num;
+ }
+
+ int regNum()
+ {
+ return intRegNum;
+ }
+
+ bool configure(std::string);
+
+ std::ostream & writeOut(std::ostream & os);
+};
+
+static inline std::ostream & operator << (std::ostream & os,
+ PrinterObject & printer)
+{
+ return printer.writeOut(os);
+}
+
+static inline std::ostream & operator << (std::ostream & os,
+ PrinterPointer & printer)
+{
+ return printer->writeOut(os);
+}
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2002-2005 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: Nathan Binkert
+ */
+
+#ifndef __REFCNT_HH__
+#define __REFCNT_HH__
+
+#include <stddef.h> //For the NULL macro definition
+
+class RefCounted
+{
+ private:
+ int count;
+
+ private:
+ RefCounted(const RefCounted &);
+
+ public:
+ RefCounted() : count(0) {}
+ virtual ~RefCounted() {}
+
+ void incref() { ++count; }
+ void decref() { if (--count <= 0) delete this; }
+};
+
+template <class T>
+class RefCountingPtr
+{
+ protected:
+ T *data;
+
+ void copy(T *d)
+ {
+ data = d;
+ if (data)
+ data->incref();
+ }
+ void del()
+ {
+ if (data)
+ data->decref();
+ }
+ void set(T *d)
+ {
+ if (data == d)
+ return;
+
+ del();
+ copy(d);
+ }
+
+
+ public:
+ RefCountingPtr() : data(NULL) {}
+ RefCountingPtr(T *data) { copy(data); }
+ RefCountingPtr(const RefCountingPtr &r) { copy(r.data); }
+ ~RefCountingPtr() { del(); }
+
+ T *operator->() { return data; }
+ T &operator*() { return *data; }
+ T *get() { return data; }
+
+ const T *operator->() const { return data; }
+ const T &operator*() const { return *data; }
+ const T *get() const { return data; }
+
+ RefCountingPtr &operator=(T *p) { set(p); return *this; }
+ RefCountingPtr &operator=(const RefCountingPtr &r)
+ { return operator=(r.data); }
+
+ bool operator!() const { return data == 0; }
+ operator bool() const { return data != 0; }
+};
+
+template<class T>
+bool operator==(const RefCountingPtr<T> &l, const RefCountingPtr<T> &r)
+{ return l.get() == r.get(); }
+
+template<class T>
+bool operator==(const RefCountingPtr<T> &l, const T *r)
+{ return l.get() == r; }
+
+template<class T>
+bool operator==(const T &l, const RefCountingPtr<T> &r)
+{ return l == r.get(); }
+
+template<class T>
+bool operator!=(const RefCountingPtr<T> &l, const RefCountingPtr<T> &r)
+{ return l.get() != r.get(); }
+
+template<class T>
+bool operator!=(const RefCountingPtr<T> &l, const T *r)
+{ return l.get() != r; }
+
+template<class T>
+bool operator!=(const T &l, const RefCountingPtr<T> &r)
+{ return l != r.get(); }
+
+#endif // __REFCNT_HH__
--- /dev/null
+/*
+ * Copyright (c) 2006 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_H
+#define REGSTATE_H
+
+#include <string>
+#include <stdint.h>
+
+class RegState
+{
+protected:
+ virtual bool update(int pid) = 0;
+public:
+ virtual int getNumRegs() = 0;
+ virtual bool diffSinceUpdate(int num) = 0;
+ virtual std::string getRegName(int num) = 0;
+ virtual int getRegNum(std::string name)
+ {
+ int numregs = getNumRegs();
+ for(unsigned int x = 0; x < numregs; x++)
+ if(getRegName(x) == name)
+ return x;
+ return -1;
+ }
+ virtual int64_t getRegVal(int num) = 0;
+ virtual int64_t getOldRegVal(int num) = 0;
+ virtual char * printReg(int num) = 0;
+};
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2006 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
+ */
+
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/ptrace.h>
+#include <unistd.h>
+
+#include "tracechild.hh"
+#include "printer.hh"
+
+using namespace std;
+
+void printUsage(const char * execName)
+{
+ cout << execName << " -f <output format file> | -h | -r -- <command> <arguments>" << endl;
+}
+
+int main(int argc, char * argv[], char * envp[])
+{
+ TraceChild * child = genTraceChild();
+ NestingPrinter printer(child);
+ string args;
+ int startProgramArgs;
+
+ //Parse the command line arguments
+ bool formatStringSet = false;
+ bool printInitial = false;
+ bool printTrace = true;
+ string format;
+ for(int x = 1; x < argc; x++)
+ {
+ if(!strcmp(argv[x], "-f"))
+ {
+ if(formatStringSet)
+ {
+ cerr << "Attempted to set format twice!"
+ << endl;
+ printUsage(argv[0]);
+ return 1;
+ }
+ formatStringSet = true;
+ x++;
+ if(x >= argc)
+ {
+ cerr << "Incorrect usage.\n" << endl;
+ printUsage(argv[0]);
+ return 1;
+ }
+ ifstream formatFile(argv[x]);
+ if(!formatFile)
+ {
+ cerr << "Problem opening file "
+ << argv[x] << "." << endl;
+ return 1;
+ }
+ format = "";
+ while(formatFile)
+ {
+ string line;
+ getline(formatFile, line);
+ if(formatFile.eof())
+ {
+ format += line;
+ break;
+ }
+ if(!formatFile)
+ {
+ cerr << "Problem reading from file "
+ << argv[x] << "." << endl;
+ return 1;
+ }
+ format += line + '\n';
+ }
+ }
+ else if(!strcmp(argv[x], "-h"))
+ {
+ printUsage(argv[0]);
+ return 0;
+ }
+ else if(!strcmp(argv[x], "-r"))
+ {
+ cout << "Legal register names:" << endl;
+ int numRegs = child->getNumRegs();
+ for(unsigned int x = 0; x < numRegs; x++)
+ {
+ cout << "\t" << child->getRegName(x) << endl;
+ }
+ return 0;
+ }
+ else if(!strcmp(argv[x], "-i"))
+ {
+ printInitial = true;
+ }
+ else if(!strcmp(argv[x], "-nt"))
+ {
+ printTrace = false;
+ }
+ else if(!strcmp(argv[x], "--"))
+ {
+ x++;
+ if(x >= argc)
+ {
+ cerr << "Incorrect usage.\n" << endl;
+ printUsage(argv[0]);
+ return 1;
+ }
+ startProgramArgs = x;
+ break;
+ }
+ else
+ {
+ cerr << "Incorrect usage.\n" << endl;
+ printUsage(argv[0]);
+ return 1;
+ }
+ }
+ for(unsigned int x = startProgramArgs; x < argc; x++)
+ args += argv[x];
+ if(!child->startTracing(argv[startProgramArgs], args.c_str()))
+ {
+ cerr << "Couldn't start target program" << endl;
+ return 1;
+ }
+ if(printInitial)
+ {
+ child->outputStartState(cout);
+ }
+ if(printTrace)
+ {
+ if(!formatStringSet)
+ {
+ cerr << "No output format set!" << endl;
+ child->stopTracing();
+ printUsage(argv[0]);
+ return 1;
+ }
+ if(!printer.configure(format))
+ {
+ cerr << "Problem in the output format" << endl;
+ child->stopTracing();
+ return 1;
+ }
+ child->step();
+ while(child->isTracing())
+ {
+ cout << printer;
+ child->step();
+ }
+ cout << printer;
+ }
+ if(!child->stopTracing())
+ {
+ cerr << "Couldn't stop child" << endl;
+ return 1;
+ }
+ return 0;
+}
+
--- /dev/null
+/*
+ * Copyright (c) 2006 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
+ */
+
+#include "tracechild.hh"
+#include <sys/wait.h>
+#include <sys/ptrace.h>
+#include <iostream>
+#include <errno.h>
+
+using namespace std;
+
+bool TraceChild::startTracing(const char * pathToFile, const char * arg)
+{
+ pid = fork();
+ if(pid == -1)
+ {
+ cout << "fork failed" << endl;
+ return false;
+ }
+ else if(pid == 0)
+ {
+ //We're the child. Get things ready and then exec the
+ //program to trace.
+
+ //Let our parent trace us
+ ptrace(PTRACE_TRACEME, 0, 0, 0);
+
+ //Start the program to trace
+ execl(pathToFile, arg);
+
+ //We should never get here, so this is an error!
+ return false;
+ }
+
+ //From this point forward, we know we're in the parent process.
+ if(!doWait())
+ {
+ cout << "Didn't wait successfully" << endl;
+ return false;
+ }
+ tracing = true;
+ if(!update(pid))
+ {
+ cout << "Didn't update successfully!" << endl;
+ return false;
+ }
+ return true;
+}
+
+bool TraceChild::stopTracing()
+{
+ if(ptrace(PTRACE_KILL, pid, 0, 0) != 0)
+ return false;
+ tracing = false;
+ return true;
+}
+
+bool TraceChild::step()
+{
+ ptraceSingleStep();
+}
+
+bool TraceChild::ptraceSingleStep()
+{
+ if(!tracing)
+ {
+ cout << "Not tracing!" << endl;
+ return false;
+ }
+ if(ptrace(PTRACE_SINGLESTEP, pid, 0, 0) != 0)
+ {
+ switch(errno)
+ {
+ case EBUSY: cout << "EBUSY" << endl; break;
+ case EFAULT: cout << "EFAULT" << endl; break;
+ case EIO: cout << "EIO" << endl; break;
+ case EPERM: cout << "EPERM" << endl; break;
+ case ESRCH: cout << "ESRCH" << endl; break;
+ default: cout << "Unknown error" << endl; break;
+ }
+ cout << "Not able to single step!" << endl;
+ tracing == false;
+ return false;
+ }
+ doWait();
+ update(pid);
+}
+
+bool TraceChild::doWait()
+{
+ int wait_val;
+ wait(&wait_val);
+ if(WIFEXITED(wait_val))
+ {
+ cerr << "Program exited! Exit status is "
+ << WEXITSTATUS(wait_val) << endl;
+ tracing = false;
+ return false;
+ }
+ if(WIFSIGNALED(wait_val))
+ {
+ if(WTERMSIG(wait_val))
+ cerr << "Program terminated by signal "
+ << WTERMSIG(wait_val) << endl;
+ if(WCOREDUMP(wait_val))
+ cerr << "Program core dumped!" << endl;
+ tracing = false;
+ return false;
+ }
+ if(WIFSTOPPED(wait_val) && WSTOPSIG(wait_val) != SIGTRAP)
+ {
+ cerr << "Program stopped by signal "
+ << WSTOPSIG(wait_val) << endl;
+ tracing = false;
+ return false;
+ }
+ return true;
+}
--- /dev/null
+/*
+ * Copyright (c) 2006 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 TRACECHILD_HH
+#define TRACECHILD_HH
+
+#include "regstate.hh"
+
+class TraceChild : public RegState
+{
+protected:
+ int pid;
+ bool tracing;
+public:
+ TraceChild() : tracing(false)
+ {;}
+ virtual bool startTracing(const char * pathToFile, const char * arg);
+ virtual bool stopTracing();
+ virtual bool step();
+ virtual uint64_t getPC() = 0;
+ virtual uint64_t getSP() = 0;
+ virtual std::ostream & outputStartState(std::ostream & os) = 0;
+ int getPid()
+ {
+ return pid;
+ }
+ bool isTracing()
+ {
+ return tracing;
+ }
+protected:
+ bool ptraceSingleStep();
+ bool doWait();
+};
+
+TraceChild * genTraceChild();
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2006 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
+ */
+
+#if defined __alpha__
+ #error "Alpha architecture not implemented"
+#elif defined __amd64__
+ #error "AMD64 architecture not implemented"
+#elif defined __hppa__
+ #error "Hppa architecture not implemented"
+#elif defined __i386__ || defined __i486__ || \
+ defined __i586__ || defined __i686
+ #include "arch/tracechild_i386.cc"
+#elif defined __ia64__
+ #error "IA64 architecture not implemented"
+#elif defined __mips__
+ #error "Mips architecture not implemented"
+#elif defined __powerpc__
+ #error "PowerPC architecture not implemented"
+#elif defined __sparc__
+ #include "arch/tracechild_sparc.cc"
+#elif defined __sh__
+ #include "SuperH architecture not implemented"
+#elif defined __s390__
+ #include "System/390 architecture not implemented"
+#else
+ #error "Couldn't determine architecture"
+#endif
--- /dev/null
+######################
+EIP = %(eip)
+EAX = %(eax), EBX = %(ebx), ECX = %(ecx), EDX = %(edx)
+EDI = %(edi), ESI = %(esi)
+EBP = %(ebp), ESP = %(esp)
+CS = %(cs), DS = %(ds), ES = %(es), FS = %(fs), GS = %(gs), SS = %(ss)
projects / gem5.git / commitdiff