////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: pdump.cpp
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// Filename: pdump.cpp
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//
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//
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// Project: Zip CPU -- a small, lightweight, RISC CPU core
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// Project: Zip CPU -- a small, lightweight, RISC CPU soft core
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//
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//
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// Purpose: Disassemble machine code files onto the stdout file. Unlike
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// Purpose: Disassemble machine code files onto the stdout file. Unlike
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// the zip-objdump program that is part of the binutils suite, this
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// the zip-objdump program that is part of the binutils suite, this
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// program takes the pfile.bin output of the bench test suite and adds
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// program takes the pfile.bin output of the bench test suite and adds
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// profiling information to the output. It's useful for finding out where,
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// profiling information to the output. It's useful for finding out where,
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// at least in simulation, your time is being spent. It can also be used,
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// at least in simulation, your time is being spent. It can also be used,
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// after the fact, to get a trace of what instructions the CPU executed.
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// after the fact, to get a trace of what instructions the CPU executed.
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//
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015,2017, Gisselquist Technology, LLC
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// Copyright (C) 2015,2017, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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//
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory. Run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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#include <algorithm>
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#include <algorithm>
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#include <map>
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#include <stdio.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <ctype.h>
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#include "zipelf.h"
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#include "zipelf.h"
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#include "zopcodes.h"
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#include "zopcodes.h"
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#include "byteswap.h"
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#include "byteswap.h"
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typedef uint32_t ZIPI; // A ZipCPU instruction word
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typedef uint32_t ZIPI; // A ZipCPU instruction word
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typedef struct { unsigned clks, addr; } ALT;
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typedef struct { unsigned clks, addr; } ALT;
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bool altcmp(const ALT &a, const ALT &b) {
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bool altcmp(const ALT &a, const ALT &b) {
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return a.clks < b.clks;
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return a.clks < b.clks;
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}
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}
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typedef struct { unsigned clks, hits, addr; } insn_stat;
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typedef std::map<unsigned, insn_stat *> vcd_profile;
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void dump_file(const char *fn) {
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void dump_file(const char *fn) {
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const int NZIP = 4096;
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const int NZIP = 4096;
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char lna[NZIP], lnb[NZIP];
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char lna[NZIP], lnb[NZIP];
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FILE *pf;
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FILE *pf;
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unsigned addr=0x0100000, mina = -1, maxa = 0,
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unsigned addr=0x0100000;
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*pfcnt = NULL, *pfclk = NULL;
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vcd_profile vp;
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pf = fopen("pfile.bin","rb");
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pf = fopen("pfile.bin","rb");
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if (pf) {
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if (pf) {
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ALT *pfalt;
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unsigned buf[2];
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unsigned buf[2], total_clks = 0;
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while(2 == fread(buf, sizeof(unsigned), 2, pf)) {
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while(2 == fread(buf, sizeof(unsigned), 2, pf)) {
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if (mina > buf[0])
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addr = buf[0];
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mina = buf[0];
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if (vp.count(addr)>0) {
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if (maxa < buf[0])
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vp[addr]->hits++;
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maxa = buf[0];
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vp[addr]->clks += buf[1];
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} else {
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insn_stat *is;
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is = new insn_stat;
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is->hits = 1;
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is->clks = buf[1];
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is->addr = addr;
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vp[addr] = is;
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}
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}
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}
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addr = mina;
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pfcnt = new unsigned[(maxa+2-mina)];
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pfclk = new unsigned[(maxa+2-mina)];
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pfalt = new ALT[(maxa+2-mina)];
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unsigned ncnt = maxa+2-mina;
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for(int i=0; i<(int)ncnt; i++)
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pfcnt[i] = pfclk[i] = 0;
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for(int i=0; i<(int)ncnt; i++)
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pfalt[i].addr = pfalt[i].clks = 0;
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rewind(pf);
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while(2 == fread(buf, sizeof(unsigned), 2, pf)) {
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pfcnt[buf[0]-addr]++;
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pfclk[buf[0]-addr] += buf[1];
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pfalt[buf[0]-addr].clks += buf[1];
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pfalt[buf[0]-addr].addr = buf[0];
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total_clks += buf[1];
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printf("%08x\n", buf[0]);
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} fclose(pf);
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printf("%08x (%8d) total clocks\n", total_clks, total_clks);
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std::sort(&pfalt[0], &pfalt[ncnt], altcmp);
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for(int i=0; i<(int)ncnt; i++)
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printf("%08x: %8d\n", pfalt[i].addr, pfalt[i].clks);
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}
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}
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printf("%s:\n", fn);
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printf("%s:\n", fn);
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if (iself(fn)) {
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if (iself(fn)) {
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ELFSECTION **secpp=NULL, *secp;
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ELFSECTION **secpp=NULL, *secp;
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double cpi;
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unsigned entry;
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unsigned entry;
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elfread(fn, entry, secpp);
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elfread(fn, entry, secpp);
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for(int i=0; secpp[i]->m_len; i++) {
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for(int i=0; secpp[i]->m_len; i++) {
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secp = secpp[i];
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secp = secpp[i];
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for(unsigned j=0; j<secp->m_len; j+=4) {
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for(unsigned j=0; j<secp->m_len; j+=4) {
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uint32_t w, a;
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uint32_t w, a;
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a = secp->m_start+(j<<2);
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a = secp->m_vaddr+j;
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w = buildword((const unsigned char *)&secp->m_data[(j<<2)]);
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w = buildword((const unsigned char *)&secp->m_data[j]);
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zipi_to_double_string(a, w, lna, lnb);
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zipi_to_double_string(a, w, lna, lnb);
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// printf("%s\n", ln);
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// printf("%s\n", ln);
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printf("%08x[%08x-%08x]: (0x%08x %c%c%c%c) ",
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printf("%08x: (0x%08x %c%c%c%c) ", a, w,
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a, maxa, mina, w,
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isgraph((w>>24)&0x0ff)?((w>>24)&0x0ff) : '.',
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isgraph((w>>24)&0x0ff)?((w>>24)&0x0ff) : '.',
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isgraph((w>>16)&0x0ff)?((w>>16)&0x0ff) : '.',
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isgraph((w>>16)&0x0ff)?((w>>16)&0x0ff) : '.',
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isgraph((w>> 8)&0x0ff)?((w>> 8)&0x0ff) : '.',
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isgraph((w>> 8)&0x0ff)?((w>> 8)&0x0ff) : '.',
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isgraph((w )&0x0ff)?((w )&0x0ff) : '.'
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isgraph((w )&0x0ff)?((w )&0x0ff) : '.'
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);
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);
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if ((a>=mina)&&(a<maxa)&&(pfcnt))
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if (vp.count(a)>0) {
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printf("%8d %8d ", pfcnt[a-mina], pfclk[a-mina]);
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insn_stat *is = vp[a];
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cpi = is->clks / (double)is->hits;
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printf("%8d %8d %4.1f ", is->hits, is->clks, cpi);
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} else
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printf("%23s", "");
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printf("%s\n", lna);
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printf("%s\n", lna);
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if (lnb[0])
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if (lnb[0])
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printf("-%24s%s\n", "", lnb);
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printf("-%50s%s\n", "", lnb);
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}
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}
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}
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}
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}
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}
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}
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}
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int main(int argc, char **argv) {
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int main(int argc, char **argv) {
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if (argc <= 1)
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if (argc <= 1)
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printf("USAGE: pdump <dump-file> | less\n");
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printf("USAGE: pdump <dump-file> | less\n");
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for(int argn=1; argn<argc; argn++) {
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for(int argn=1; argn<argc; argn++) {
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if(access(argv[argn], R_OK)==0)
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if(access(argv[argn], R_OK)==0)
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dump_file(argv[argn]);
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dump_file(argv[argn]);
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}
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}
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return 0;
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return 0;
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}
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}
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