gem5/base/dbl_list.hh
Ali Saidi 2f316082e4 Updated Copyright with information in bitkeeper changelogs
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/faults.cc:
arch/alpha/faults.hh:
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:
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base/bitfield.hh:
base/callback.hh:
base/circlebuf.cc:
base/circlebuf.hh:
base/compression/lzss_compression.cc:
base/compression/lzss_compression.hh:
base/compression/null_compression.hh:
base/cprintf.cc:
base/cprintf.hh:
base/cprintf_formats.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:
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base/intmath.cc:
base/intmath.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/misc.cc:
base/misc.hh:
base/mod_num.hh:
base/mysql.cc:
base/mysql.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:
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base/sched_list.hh:
base/socket.cc:
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base/statistics.cc:
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base/stats/events.cc:
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base/stats/flags.hh:
base/stats/mysql.cc:
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base/stats/mysql_run.hh:
base/stats/output.hh:
base/stats/statdb.cc:
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base/stats/text.cc:
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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/trace.cc:
base/trace.hh:
base/userinfo.cc:
base/userinfo.hh:
cpu/base_cpu.cc:
cpu/base_cpu.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/exetrace.cc:
cpu/exetrace.hh:
cpu/full_cpu/op_class.hh:
cpu/full_cpu/smt.hh:
cpu/inst_seq.hh:
cpu/intr_control.cc:
cpu/intr_control.hh:
cpu/memtest/memtest.cc:
cpu/memtest/memtest.hh:
cpu/pc_event.cc:
cpu/pc_event.hh:
cpu/simple_cpu/simple_cpu.cc:
cpu/simple_cpu/simple_cpu.hh:
cpu/static_inst.cc:
cpu/static_inst.hh:
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:
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dev/ide_disk.cc:
dev/ide_disk.hh:
dev/io_device.cc:
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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/platform.cc:
dev/platform.hh:
dev/simple_disk.cc:
dev/simple_disk.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/tsunami_uart.hh:
dev/tsunamireg.h:
docs/stl.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/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:
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sim/async.hh:
sim/builder.cc:
sim/builder.hh:
sim/debug.cc:
sim/debug.hh:
sim/eventq.cc:
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sim/host.hh:
sim/main.cc:
sim/param.cc:
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sim/process.cc:
sim/process.hh:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_events.cc:
sim/sim_events.hh:
sim/sim_exit.hh:
sim/sim_object.cc:
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sim/stat_control.cc:
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sim/stats.hh:
sim/syscall_emul.cc:
sim/syscall_emul.hh:
sim/system.cc:
sim/system.hh:
sim/universe.cc:
test/bitvectest.cc:
test/circletest.cc:
test/cprintftest.cc:
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/m5/m5.c:
util/m5/m5op.h:
util/tap/tap.cc:
    Updated Copyright
dev/console.cc:
dev/console.hh:
    This code isn't ours, and shouldn't have our copyright

--HG--
extra : convert_revision : 598f2e5eab5d5d3de2c1e862b389086e3212f7c4
2004-06-08 13:37:27 -04:00

165 lines
4.4 KiB
C++

/*
* Copyright (c) 2000-2001, 2003 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.
*/
#ifndef __DBL_LIST_HH__
#define __DBL_LIST_HH__
class DblListEl {
DblListEl *next;
DblListEl *prev;
// remove this from list
void remove() {
prev->next = next;
next->prev = prev;
}
// insert this before old_el
void insertBefore(DblListEl *old_el) {
prev = old_el->prev;
next = old_el;
prev->next = this;
next->prev = this;
}
// insert this after old_el
void insertAfter(DblListEl *old_el) {
next = old_el->next;
prev = old_el;
next->prev = this;
prev->next = this;
}
friend class DblListBase;
};
//
// doubly-linked list of DblListEl objects
//
class DblListBase {
// dummy list head element: dummy.next is head, dummy.prev is tail
DblListEl dummy;
// length counter
unsigned length;
DblListEl *valid_or_null(DblListEl *el) {
// make sure users never see the dummy element
return (el == &dummy) ? NULL : el;
}
public:
DblListEl *head() {
return valid_or_null(dummy.next);
}
DblListEl *tail() {
return valid_or_null(dummy.prev);
}
DblListEl *next(DblListEl *el) {
return valid_or_null(el->next);
}
DblListEl *prev(DblListEl *el) {
return valid_or_null(el->prev);
}
bool is_empty() {
return (dummy.next == &dummy);
}
void remove(DblListEl *el) {
el->remove();
--length;
}
void insertBefore(DblListEl *new_el, DblListEl *old_el) {
new_el->insertBefore(old_el);
++length;
}
void insertAfter(DblListEl *new_el, DblListEl *old_el) {
new_el->insertAfter(old_el);
++length;
}
// append to end of list, i.e. as dummy.prev
void append(DblListEl *el) {
insertBefore(el, &dummy);
}
// prepend to front of list (push), i.e. as dummy.next
void prepend(DblListEl *el) {
insertAfter(el, &dummy);
}
DblListEl *pop() {
DblListEl *hd = head();
if (hd != NULL)
remove(hd);
return hd;
}
// constructor
DblListBase() {
dummy.next = dummy.prev = &dummy;
length = 0;
}
};
//
// Template class serves solely to cast args & return values
// to appropriate type (T *)
//
template<class T> class DblList : private DblListBase {
public:
T *head() { return (T *)DblListBase::head(); }
T *tail() { return (T *)DblListBase::tail(); }
T *next(T *el) { return (T *)DblListBase::next(el); }
T *prev(T *el) { return (T *)DblListBase::prev(el); }
bool is_empty() { return DblListBase::is_empty(); }
void remove(T *el) { DblListBase::remove(el); }
void append(T *el) { DblListBase::append(el); }
void prepend(T *el) { DblListBase::prepend(el); }
T *pop() { return (T *)DblListBase::pop(); }
DblList<T>() { }
};
#endif // __DBL_LIST_HH__