Update copyright dates and author list SConscript: arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_linux_process.hh: arch/alpha/alpha_memory.cc: arch/alpha/alpha_memory.hh: arch/alpha/alpha_tru64_process.cc: arch/alpha/alpha_tru64_process.hh: arch/alpha/aout_machdep.h: arch/alpha/arguments.cc: arch/alpha/arguments.hh: arch/alpha/ev5.cc: arch/alpha/ev5.hh: arch/alpha/faults.cc: arch/alpha/faults.hh: arch/alpha/isa_desc: arch/alpha/isa_traits.hh: arch/alpha/osfpal.cc: arch/alpha/osfpal.hh: arch/alpha/pseudo_inst.cc: arch/alpha/pseudo_inst.hh: arch/alpha/vptr.hh: arch/alpha/vtophys.cc: arch/alpha/vtophys.hh: base/bitfield.hh: base/callback.hh: base/circlebuf.cc: base/circlebuf.hh: base/cprintf.cc: base/cprintf.hh: base/cprintf_formats.hh: base/crc.hh: base/date.cc: base/dbl_list.hh: base/endian.hh: base/fast_alloc.cc: base/fast_alloc.hh: base/fifo_buffer.cc: base/fifo_buffer.hh: base/hashmap.hh: base/hostinfo.cc: base/hostinfo.hh: base/hybrid_pred.cc: base/hybrid_pred.hh: base/inet.cc: base/inet.hh: base/inifile.cc: base/inifile.hh: base/intmath.cc: base/intmath.hh: base/match.cc: base/match.hh: base/misc.cc: base/misc.hh: base/mod_num.hh: base/mysql.cc: base/mysql.hh: base/output.cc: base/output.hh: base/pollevent.cc: base/pollevent.hh: base/predictor.hh: base/random.cc: base/random.hh: base/range.cc: base/range.hh: base/refcnt.hh: base/remote_gdb.cc: base/remote_gdb.hh: base/res_list.hh: base/sat_counter.cc: base/sat_counter.hh: base/sched_list.hh: base/socket.cc: base/socket.hh: base/statistics.cc: base/statistics.hh: base/compression/lzss_compression.cc: base/compression/lzss_compression.hh: base/compression/null_compression.hh: base/loader/aout_object.cc: base/loader/aout_object.hh: base/loader/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/object_file.cc: base/loader/object_file.hh: base/loader/symtab.cc: base/loader/symtab.hh: base/stats/events.cc: base/stats/events.hh: base/stats/flags.hh: base/stats/mysql.cc: base/stats/mysql.hh: base/stats/mysql_run.hh: base/stats/output.hh: base/stats/statdb.cc: base/stats/statdb.hh: base/stats/text.cc: base/stats/text.hh: base/stats/types.hh: base/stats/visit.cc: base/stats/visit.hh: base/str.cc: base/str.hh: base/time.cc: base/time.hh: base/timebuf.hh: base/trace.cc: base/trace.hh: base/userinfo.cc: base/userinfo.hh: build/SConstruct: cpu/base.cc: cpu/base.hh: cpu/base_dyn_inst.cc: cpu/base_dyn_inst.hh: cpu/exec_context.cc: cpu/exec_context.hh: cpu/exetrace.cc: cpu/exetrace.hh: cpu/inst_seq.hh: cpu/intr_control.cc: cpu/intr_control.hh: cpu/memtest/memtest.cc: cpu/pc_event.cc: cpu/pc_event.hh: cpu/smt.hh: cpu/static_inst.cc: cpu/static_inst.hh: cpu/memtest/memtest.hh: cpu/o3/sat_counter.cc: cpu/o3/sat_counter.hh: cpu/ozone/cpu.hh: cpu/simple/cpu.cc: cpu/simple/cpu.hh: cpu/trace/opt_cpu.cc: cpu/trace/opt_cpu.hh: cpu/trace/reader/ibm_reader.cc: cpu/trace/reader/ibm_reader.hh: cpu/trace/reader/itx_reader.cc: cpu/trace/reader/itx_reader.hh: cpu/trace/reader/m5_reader.cc: cpu/trace/reader/m5_reader.hh: cpu/trace/reader/mem_trace_reader.cc: cpu/trace/reader/mem_trace_reader.hh: cpu/trace/trace_cpu.cc: cpu/trace/trace_cpu.hh: dev/alpha_access.h: dev/alpha_console.cc: dev/alpha_console.hh: dev/baddev.cc: dev/baddev.hh: dev/disk_image.cc: dev/disk_image.hh: dev/etherbus.cc: dev/etherbus.hh: dev/etherdump.cc: dev/etherdump.hh: dev/etherint.cc: dev/etherint.hh: dev/etherlink.cc: dev/etherlink.hh: dev/etherpkt.cc: dev/etherpkt.hh: dev/ethertap.cc: dev/ethertap.hh: dev/ide_ctrl.cc: dev/ide_ctrl.hh: dev/ide_disk.cc: dev/ide_disk.hh: dev/io_device.cc: dev/io_device.hh: dev/ns_gige.cc: dev/ns_gige.hh: dev/ns_gige_reg.h: dev/pciconfigall.cc: dev/pciconfigall.hh: dev/pcidev.cc: dev/pcidev.hh: dev/pcireg.h: dev/pktfifo.cc: dev/pktfifo.hh: dev/platform.cc: dev/platform.hh: dev/simconsole.cc: dev/simconsole.hh: dev/simple_disk.cc: dev/simple_disk.hh: dev/sinic.cc: dev/sinic.hh: dev/sinicreg.hh: dev/tsunami.cc: dev/tsunami.hh: dev/tsunami_cchip.cc: dev/tsunami_cchip.hh: dev/tsunami_io.cc: dev/tsunami_io.hh: dev/tsunami_pchip.cc: dev/tsunami_pchip.hh: dev/tsunamireg.h: dev/uart.cc: dev/uart.hh: dev/uart8250.cc: dev/uart8250.hh: docs/stl.hh: encumbered/cpu/full/op_class.hh: kern/kernel_stats.cc: kern/kernel_stats.hh: kern/linux/linux.hh: kern/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: kern/linux/linux_threadinfo.hh: kern/linux/printk.cc: kern/linux/printk.hh: kern/system_events.cc: kern/system_events.hh: kern/tru64/dump_mbuf.cc: kern/tru64/dump_mbuf.hh: kern/tru64/mbuf.hh: kern/tru64/printf.cc: kern/tru64/printf.hh: kern/tru64/tru64.hh: kern/tru64/tru64_events.cc: kern/tru64/tru64_events.hh: kern/tru64/tru64_syscalls.cc: kern/tru64/tru64_syscalls.hh: kern/tru64/tru64_system.cc: kern/tru64/tru64_system.hh: python/SConscript: python/m5/__init__.py: python/m5/config.py: python/m5/convert.py: python/m5/multidict.py: python/m5/smartdict.py: sim/async.hh: sim/builder.cc: sim/builder.hh: sim/debug.cc: sim/debug.hh: sim/eventq.cc: sim/eventq.hh: sim/host.hh: sim/main.cc: sim/param.cc: sim/param.hh: sim/process.cc: sim/process.hh: sim/root.cc: sim/serialize.cc: sim/serialize.hh: sim/sim_events.cc: sim/sim_events.hh: sim/sim_exit.hh: sim/sim_object.cc: sim/sim_object.hh: sim/startup.cc: sim/startup.hh: sim/stat_control.cc: sim/stat_control.hh: sim/stats.hh: sim/syscall_emul.cc: sim/syscall_emul.hh: sim/system.cc: sim/system.hh: test/bitvectest.cc: test/circletest.cc: test/cprintftest.cc: test/genini.py: test/initest.cc: test/lru_test.cc: test/nmtest.cc: test/offtest.cc: test/paramtest.cc: test/rangetest.cc: test/sized_test.cc: test/stattest.cc: test/strnumtest.cc: test/symtest.cc: test/tokentest.cc: test/tracetest.cc: util/ccdrv/devtime.c: util/m5/m5.c: util/oprofile-top.py: util/rundiff: util/m5/m5op.h: util/m5/m5op.s: util/stats/db.py: util/stats/dbinit.py: util/stats/display.py: util/stats/info.py: util/stats/print.py: util/stats/stats.py: util/tap/tap.cc: Update copyright dates and author list --HG-- extra : convert_revision : 0faba08fc0fc0146f1efb7f61e4b043c020ff9e4
350 lines
7.8 KiB
C++
350 lines
7.8 KiB
C++
/*
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* Copyright (c) 2001-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include <fstream>
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#include <iostream>
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#include <list>
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#include <string>
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#include <vector>
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#include "base/misc.hh"
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#include "base/trace.hh"
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#include "base/str.hh"
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using namespace std;
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namespace Trace {
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const string DefaultName("global");
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FlagVec flags(NumFlags, false);
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//
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// This variable holds the output stream for debug information. Other
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// than setting up/redirecting this stream, do *NOT* reference this
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// directly; use DebugOut() (see below) to access this stream for
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// output.
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//
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ostream *dprintf_stream = &cerr;
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ObjectMatch ignore;
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Log theLog;
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Log::Log()
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{
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size = 0;
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buffer = NULL;
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}
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void
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Log::init(int _size)
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{
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if (buffer != NULL) {
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fatal("Trace::Log::init called twice!");
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}
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size = _size;
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buffer = new Record *[size];
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for (int i = 0; i < size; ++i) {
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buffer[i] = NULL;
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}
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nextRecPtr = &buffer[0];
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wrapRecPtr = &buffer[size];
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}
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Log::~Log()
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{
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for (int i = 0; i < size; ++i) {
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delete buffer[i];
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}
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delete [] buffer;
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}
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void
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Log::append(Record *rec)
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{
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// dump record to output stream if there's one open
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if (dprintf_stream != NULL) {
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rec->dump(*dprintf_stream);
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} else {
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rec->dump(cout);
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}
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// no buffering: justget rid of it now
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if (buffer == NULL) {
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delete rec;
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return;
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}
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Record *oldRec = *nextRecPtr;
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if (oldRec != NULL) {
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// log has wrapped: overwrite
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delete oldRec;
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}
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*nextRecPtr = rec;
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if (++nextRecPtr == wrapRecPtr) {
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nextRecPtr = &buffer[0];
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}
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}
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void
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Log::dump(ostream &os)
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{
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if (buffer == NULL) {
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return;
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}
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Record **bufPtr = nextRecPtr;
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if (*bufPtr == NULL) {
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// next record slot is empty: log must not be full yet.
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// start dumping from beginning of buffer
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bufPtr = buffer;
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}
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do {
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Record *rec = *bufPtr;
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rec->dump(os);
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if (++bufPtr == wrapRecPtr) {
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bufPtr = &buffer[0];
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}
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} while (bufPtr != nextRecPtr);
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}
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PrintfRecord::~PrintfRecord()
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{
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delete &args;
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}
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void
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PrintfRecord::dump(ostream &os)
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{
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string fmt = "";
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if (!name.empty()) {
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fmt = "%s: " + fmt;
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args.prepend(name);
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}
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if (cycle != (Tick)-1) {
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fmt = "%7d: " + fmt;
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args.prepend(cycle);
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}
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fmt += format;
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args.dump(os, fmt);
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os.flush();
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}
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DataRecord::DataRecord(Tick _cycle, const string &_name,
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const void *_data, int _len)
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: Record(_cycle), name(_name), len(_len)
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{
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data = new uint8_t[len];
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memcpy(data, _data, len);
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}
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DataRecord::~DataRecord()
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{
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delete [] data;
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}
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void
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DataRecord::dump(ostream &os)
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{
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int c, i, j;
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for (i = 0; i < len; i += 16) {
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ccprintf(os, "%d: %s: %08x ", cycle, name, i);
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c = len - i;
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if (c > 16) c = 16;
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for (j = 0; j < c; j++) {
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ccprintf(os, "%02x ", data[i + j] & 0xff);
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if ((j & 0xf) == 7 && j > 0)
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ccprintf(os, " ");
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}
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for (; j < 16; j++)
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ccprintf(os, " ");
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ccprintf(os, " ");
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for (j = 0; j < c; j++) {
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int ch = data[i + j] & 0x7f;
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ccprintf(os,
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"%c", (char)(isprint(ch) ? ch : ' '));
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}
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ccprintf(os, "\n");
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if (c < 16)
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break;
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}
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}
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} // namespace Trace
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//
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// Returns the current output stream for debug information. As a
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// wrapper around Trace::dprintf_stream, this handles cases where debug
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// information is generated in the process of parsing .ini options,
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// before we process the option that sets up the debug output stream
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// itself.
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//
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std::ostream &
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DebugOut()
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{
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return *Trace::dprintf_stream;
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}
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/////////////////////////////////////////////
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//
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// C-linkage functions for invoking from gdb
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//
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/////////////////////////////////////////////
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//
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// Dump trace buffer to specified file (cout if NULL)
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//
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extern "C"
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void
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dumpTrace(const char *filename)
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{
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if (filename != NULL) {
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ofstream out(filename);
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Trace::theLog.dump(out);
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out.close();
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}
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else {
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Trace::theLog.dump(cout);
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}
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}
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//
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// Turn on/off trace output to cerr. Typically used when trace output
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// is only going to circular buffer, but you want to see what's being
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// sent there as you step through some code in gdb. This uses the
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// same facility as the "trace to file" feature, and will print error
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// messages rather than clobbering an existing ostream pointer.
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//
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extern "C"
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void
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echoTrace(bool on)
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{
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if (on) {
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if (Trace::dprintf_stream != NULL) {
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cerr << "Already echoing trace to a file... go do a 'tail -f'"
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<< " on that file instead." << endl;
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} else {
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Trace::dprintf_stream = &cerr;
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}
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} else {
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if (Trace::dprintf_stream != &cerr) {
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cerr << "Not echoing trace to cerr." << endl;
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} else {
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Trace::dprintf_stream = NULL;
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}
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}
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}
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extern "C"
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void
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printTraceFlags()
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{
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using namespace Trace;
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for (int i = 0; i < numFlagStrings; ++i)
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if (flags[i])
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cprintf("%s\n", flagStrings[i]);
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}
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void
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tweakTraceFlag(const char *string, bool value)
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{
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using namespace Trace;
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std::string str(string);
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for (int i = 0; i < numFlagStrings; ++i) {
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if (str != flagStrings[i])
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continue;
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int idx = i;
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if (idx < NumFlags) {
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flags[idx] = value;
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} else {
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idx -= NumFlags;
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if (idx >= NumCompoundFlags) {
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ccprintf(cerr, "Invalid compound flag");
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return;
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}
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const Flags *flagVec = compoundFlags[idx];
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for (int j = 0; flagVec[j] != -1; ++j) {
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if (flagVec[j] >= NumFlags) {
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ccprintf(cerr, "Invalid compound flag");
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return;
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}
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flags[flagVec[j]] = value;
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}
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}
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cprintf("flag %s was %s\n", string, value ? "set" : "cleared");
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return;
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}
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cprintf("could not find flag %s\n", string);
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}
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extern "C"
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void
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setTraceFlag(const char *string)
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{
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tweakTraceFlag(string, true);
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}
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extern "C"
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void
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clearTraceFlag(const char *string)
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{
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tweakTraceFlag(string, false);
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}
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