Display the number of executed R,I and J-type instructions on
	profile.

	* src/vm/cpu.hh, src/vm/cpu.cc: Add an array of counters and
	update them for each executed instruction.
	* src/vm/virtual_machine.hh: Add accessor to CPU.
	* src/vm-tasks.cc: Print the counters on profile.

	Provide `--profile' option.

	* src/vm/virtual_machine.hh: Add accessor to control coprocessor.
	* src/vm-tasks.hh, src/vm-tasks.cc: Declare and define the
	`profile' task. For the moment, simply print on stderr the number
	of executed cyles at the end of the program's execution.

	Implement print_err.
	
	* src/vm/cpu.c: Print buffer pointed to by $a0 on standard 
	error stream on syscall when $v0 = 15.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Make LabelExp independent from Label.

	* src/inst/exp.hh, src/inst/exp.cc:
	Make LabelExp aggregate a unique_string instead of a Label.
	* dev/parse-asm-scan-gen.py: Return a unique_string when 
	scanning an identifier (instead	of a Label).
	* dev/parse-asm-parse-gen.py: Update accordingly.
	* src/inst/section.hh (has_label, get_offset): Wait for a
	unique_string (instead of a Label).
	* dev/inst-builder-gen.py, dev/inst-solver-gen.py,
	* src/vm/virtual_machine.cc, src/shell/shell.cc:
	Update accordingly.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Copy the instruction list of text section when storing one.

	* src/inst/text_section.hh, dev/inst-solver-gen.py:
	Hide the concrete type of instruction list.
	* src/vm/mmu.hh: Aggregate the instructions instead of 
	a text section.
	(inst_store) Copy the instruction pointers into a local vector.
	(inst_load) Access the local vector instead of text section. 

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Hide the text section loaded in virtual machine's memory.

	* src/vm/mmu.hh (inst_has_label, inst_get_offset): Remove.
	* src/vm/virtual_machine.hh (has_label, get_offset): Remove.
	(add_breakpoint) Wait for an offset instead of a label.
	* src/vm/virtual_machine.cc: Update accordingly, move label
	translation into...
	* src/shell/shell.cc (do_break): ...this method.

from  Benoît Perrot  <benoit@lrde.epita.fr>
2005-01-08  Benoît Perrot  <benoit@lrde.epita.fr>

	Migrate to bison2.0a.
	
	* dev/parse-asm-parse-gen.py: Call the parser with a filename and
	a program builder instead of using global variables. Use bison's
	builtin system to print token values. Remove global program builder.
	* dev/parse-asm-scan-gen.py: Remove global string for file name. 
	Use yy::location instead of yy::Location.
	* src/parse/asm-scan.hh: Call the scanner with a trace flag.
	* src/parse/libparse.hh, src/parse/libparse.cc:
	Declare trace flags as booleans. 
	* src/vm/cp0.hh: Include common.hh to get exit_set.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Kill (some) autotools warnings. Some m4 files from GNUlib still use
	deprecated autotools constructions.

	* src/vm/Makefile.am, src/misc/Makefile.am,
	* src/task/Makefile.am, src/shell/Makefile.am,
	* src/parse/Makefile.am, src/inst/Makefile.am,
	* src/Makefile.am:
	Use *_CPPFLAGS instead of obsoleted INCLUDES.
	* configure.ac:
	Run autoupdate.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Move tasks to top level, to make libraries "side-effect free".
	
	* src/task/task-tasks.hh, src/task/task-tasks.cc,
	* src/parse/parse-tasks.hh, src/parse/parse-tasks.cc
	* src/inst/inst-tasks.hh, src/inst/inst-tasks.cc
	* src/vm/vm-tasks.hh, src/vm/vm-tasks.cc,
	* src/shell/shell-tasks.hh, src/shell/shell-tasks.cc:
	Move to...
	* src/task-tasks.hh, src/task-tasks.cc,
	* src/parse-tasks.hh, src/parse-tasks.cc
	* src/inst-tasks.hh, src/inst-tasks.cc
	* src/vm-tasks.hh, src/vm-tasks.cc,
	* src/shell-tasks.hh, src/shell-tasks.cc:
	These files.
	* src/task/Makefile.am,
	* src/parse/Makefile.am,
	* src/inst/Makefile.am,
	* src/vm/Makefile.am, 
	* src/shell/Makefile.am,
	* src/Makefile.am,
	* src/modules.hh:
	Update accordingly.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Use GNUlib as it shall be. Thanks to Akim Demaille and Paul Eggert
	for showing me the right way to do it.

	* bootstrap: Get gnulib files from CVS repository or local
	directory (extracted from GNU tar's bootstrap script, written by
	Paul Eggert and Sergey Poznyakoff).
	* lib/Makefile.am.tmpl: New.
	* Makefile.am: Add `lib' as subdirectory.
	* configure.ac: Use gnulib's automake snippets.
	* src/stdint_.h, config/stdint.m4, config/inttypes.m4:
	Remove, as deprecated by the correct use of gnulib.
	* src/Makefile.am, src/vm/Makefile.am, src/inst/Makefile.am:
	Update accordingly.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* src/vm/cpu.cc:
	Effectively use Cpu::register_type, and not system's register_t.
	cpu.cc did not compile on SunOS, where register_t is not defined.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* config/stdint.m4, config/inttypes.m4:
	GNUlib's <stdint.h>/<inttypes.h> detection tools.
	* configure.ac:
	Use gl_HAVE_STDINT_H to check <stdint.h>/<inttypes.h> presence.
	Define __STDC_LIMIT_MACROS to access to some macros that 
	the ISO C99 standard specifies to be explicitly requested 
	in C++ implementation.
	* src/stdint_.h:
	GNUlib's "ISO C 99 <stdint.h> for platforms that lack it."
	* src/Makefile.am:
	Generate stdint.h from stdint_.h on platforms that lack it.

	* src/vm/cpu.hh, src/vm/memory.hh, src/inst/data_section.hh:
	Include config.h to get information on <stdint.h>/<inttypes.h>
	presence.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Emulate `lui'

	* dev/nolimips.xml:
	Add `lui' instruction.
	* src/vm/cpu.hh, src/vm/cpu.cc:
	Emulate `lui'.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Li is not a native instruction

	* dev/nolimips.xml, src/int/program_builder.cc:
	Make `li' a pseudo instruction for `addiu'.
	* src/vm/cpu.hh, src/vm/cpu.cc:
	Remove emulation of `li'.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Factor boolean tasks.
	
	* src/task/boolean_task.hh, src/task/boolean_task.cc:
	* src/task/Makefile.am:
	Distribute new files.
	* src/vm/vm-tasks.hh, src/vm/vm-tasks.cc,
	* src/task/libtask.hh:
	Use boolean tasks.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* src/task/task.hh, src/task/task.cc:
	Split in...
	* src/task/function_task.hh, src/task/function_task.cc,
	* src/task/libtask.hh:
	These new files.
	* src/task/Makefile.am:
	Distribute new files.
	* src/task/task-tasks.hh, src/shell/shell-tasks.hh,
	* src/parse/parse-tasks.hh, src/nolimips-tasks.hh,
	* src/inst/inst-tasks.hh, src/vm/vm-tasks.hh:
	Include libtask.hh instead of task/task.hh

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Add the backtrace command to the shell.
	
	* src/vm/cpu.hh, src/vm/virtual_machine.hh:
	Add an accessor to call stack.
	* src/shell/cmd.hh, src/shell/shell.hh, src/shell/shell.cc:
	Parse and execute backtrace command.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* src/vm/memory.hh, src/vm/mmu.hh, src/vm/virtual_machine.cc:
	Make the MMU responsible of address translation and exception 
	raising.
	* src/vm/cp0.hh (raise_addr_load, raise_addr_store): Add address
	load and store exception.
	* src/vm/virtual_machine.hh (execute): Stop execution on fatal
	exceptions.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* src/vm/mmu.hh: Hide instructions' access behind MMU.
	* src/vm/cpu.hh, src/vm/cpu.cc, src/vm/virtual_machine.hh:
	Use the MMU to access instructions.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* src/vm/memory.hh, src/vm/mmu.hh, src/vm/cpu.cc,
	* src/vm/virtual_machine.cc:
	Implement reset() method.
	* src/vm/virtual_machine.hh, src/vm/virtual_machine.hh:
	Keep and reload the main offset of loaded program.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        * src/vm/virtual_machine.hh: Move the implementation of
        rarely used methods to...
        * src/vm/virtual_machine.cc: This file.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	* src/vm/cpu.hh (get_unlimited): Print a lovely error message when
	an unlimited register is used before initialized.
	* tests/runtime/Makefile.am, tests/runtime/uninitialized-x.s: 
	Test the case.

from  Benoît Perrot  <benoit@lrde.epita.fr>

	Bump to nolimips-0.7

	* INSTALL, README, TODO,
	* Makefile.am, bootstrap,
	* configure.ac,
	* dev/doc-inst-set-gen.py, dev/inst-builder-gen.py,
	* dev/inst-makefile-gen.py, dev/inst-nodes-gen.py,
	* dev/inst-solver-gen.py, dev/nolimips.py,
	* dev/nolimips.xml, dev/parse-asm-parse-gen.py,
	* dev/parse-asm-scan-gen.py,
	* doc/Makefile.am, doc/macros.texi,
	* src/Makefile.am, src/common.hh, src/modules.hh,
	* src/inst/section.hh,
	* src/inst/data_section.hh, src/inst/data_section.cc
	* src/inst/text_section.hh, src/inst/text_section.cc,
	* src/inst/program.hh, src/inst/program_builder.cc,
	* src/inst/exp-visitor.hh, src/inst/exp.hh, src/inst/exp.cc
	* src/inst/inst-tasks.cc, src/inst/inst-tasks.hh, 
	* src/inst/inst.hh, src/inst/label.cc, src/inst/label.hh
	* src/inst/register.hh,
	* src/parse/Makefile.am, src/parse/asm-scan.hh,
	* src/parse/libparse.cc, src/parse/libparse.hh,
	* src/parse/parse-tasks.cc, src/parse/parse-tasks.hh,
	* src/shell/cmd.hh,
	* src/shell/shell-tasks.cc, src/shell/shell-tasks.hh,
	* src/shell/shell.cc, src/shell/shell.hh,
	* src/task/task-tasks.cc, src/task/task-tasks.hh,
	* src/task/task.cc, src/task/task.hh,
	* src/task/task_register.cc, src/task/task_register.hh,
	* src/vm/cp0.hh, src/vm/cpu.hh, src/vm/cpu.cc
	* src/vm/memory.hh, src/vm/mmu.hh, src/vm/segment.hh
	* src/vm/table.hh, src/vm/virtual_machine.hh
	* src/vm/vm-tasks.cc, src/vm/vm-tasks.hh
	* tests/Makefile.am, tests/generate-ref.mk, tests/good/check-good
	* tests/good/fact.s, tests/lexical/check-lexical,
	* tests/runtime/check-runtime, tests/solve/check-solve
	* tests/syntax/check-syntax, tests/unlimited/check-unlimited:
	Rename mipsy as nolimips.

	* dev/mipsy.py, dev/mipsy.xml,
	* doc/mipsy.texi,
	* src/mipsy.cc, src/mipsy-tasks.cc, src/mipsy-tasks.hh,
	* tests/mipsy-check:
	Move to...
	* dev/nolimips.py, dev/nolimips.xml,
	* doc/nolimips.texi,
	* src/nolimips.cc, src/nolimips-tasks.cc, src/nolimips-tasks.hh,
	* tests/nolimips-check:
	These new files.

	* NEWS, configure.ac:
	Bump to nolimips-0.7.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        * src/inst/register.hh:
        Add a copy constructor.
        * dev/inst-nodes-gen.py:
        Copy inst::Registers instead of keeping a pointer on them,
        avoiding hazardous memory manipulations.
        * dev/inst-builder-gen.py, src/inst/program_builder.cc,
        * src/vm/cpu.cc (bubble_):
        Prefer copy to reallocation of inst::Registers.
        * dev/parse-asm-parse-gen.py:
        Once they are copied, delete the inst::Registers created by the
        scanner.

from  Benoît Perrot  <benoit@lrde.epita.fr>
        Use coprocessor to raise exception.

        * src/vm/cp0.hh:
        (raise_overflow) Raise an arithmetic overflow exception.
        * src/vm/cpu.cc:
        Call raise_overflow when an arithmetic overflow occurs.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        * src/mipsy-tasks.hh,
        * src/vm/vm-tasks.hh,
        * src/shell/shell-tasks.hh:
        Add short options.
        * src/task/task_register.hh, src/task/task_register.cc:
        Support concatenated short options.
        * NEWS, doc/mipsy.texi:
        Document this.

        Add an interactive shell.

        * src/vm/cpu.hh, src/vm/cpu.cc:
        Add a print operator.
        * src/vm/virtual_machine.hh:
        Add breakpoint suport and some shell entry points for step by step
        execution.

        * src/shell/cmd.hh,
        * src/shell/shell.cc, src/shell/shell.hh:
        Implement interactive shell, using readline.
        * src/shell/shell-tasks.cc, src/shell/shell-tasks.hh:
        Add shell's tasks.
        * src/shell/Makefile.am:
        Distribute shell.
        * src/modules.hh:
        Declare shell.

        * configure.ac:
        Check for readline library. Add shell directory.
        * src/Makefile.am:
        Add shell directory and link with readline.

from  Benoît Perrot  <benoit@lrde.epita.fr>
        * src/vm/cp0.hh:
        Add control coprocessor.
        * src/vm/Makefile.am:
        Distribute it.
        * src/vm/cpu.hh, src/vm/cpu.cc,
        * src/vm/virtual_machine.hh:
        Use control coprocessor.
        * dev/mipsy.py,
        * dev/mipsy.xml:
        Add instructions to move registers to/from control coprocessor.
        * dev/inst-solver-gen.py,
        Check register identifiers for control coprocessor instructions.

from  Benoît Perrot  <benoit@lrde.epita.fr>
        * src/common.hh,
        * src/mipsy.cc,
        * src/inst/exp.hh,
        * src/inst/register.hh,
        * src/vm/cpu.hh, src/vm/cpu.cc:
        Use STL type naming style on enumerations.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        Homogenize attribute names.

        * dev/inst-builder-gen.py, src/inst/program_builder.cc,
        * src/inst/data_section.hh, src/inst/data_section.cc,
        * src/inst/exp.hh, src/inst/exp.cc,
        * src/inst/label.cc, src/inst/label.hh,
        * src/inst/program.hh,
        * src/inst/program_solver.hh,
        * src/inst/register.hh,
        * src/inst/section.hh,
        * src/inst/text_section.hh, src/inst/text_section.cc,
        * src/misc/deref.hh, src/misc/escape.hh,
        * src/task/task.cc, src/task/task.hh
        * src/task/task_register.cc, src/task/task_register.hh
        * src/vm/cpu.hh, src/vm/cpu.cc
        * src/vm/memory.hh, src/vm/segment.hh,
        * src/vm/table.hh,
        * src/vm/virtual_machine.hh:
        Rename...
        (_program, fill_delay_slot_p, _size, bytes, immediate, integer)
        (label, kind, left, right, set, set_node, _text_section, _data_section)
        (_pc, _program, kind, index, labels, offsets, insts, postr, s)
        (print_delim, _long_opt, _short_opt, _module, _description)
        (dependencies, _execute, _modules, _tasks, _enabled_tasks, mmu, GPR)
        (hi, lo, pc, unlimited, halt, istr, ostr, call_stack)
        (check_callee_save_p, trace_p, bubble, pipeline, heap, stack)
        (stack_top, _size, _bytes, _scopes, memory, mmu, cpu)
        as...
        (program_, fill_delay_slot_p_, size_, bytes_, immediate_, integer_)
        (label_, kind_, left_, right_, set_, set_node_, text_section_)
        (data_section_, pc_, program_, kind_, index_, labels_, offsets_)
        (insts_, postr_, s_, print_delim_, long_opt_, short_opt_, module_)
        (description_, dependencies_, execute_, modules_, tasks_)
        (enabled_tasks_, mmu_, GPR_, hi_, lo_, pc_, unlimited_, halt_, istr_)
        (ostr_, call_stack_, check_callee_save_p_, trace_p_, bubble_)
        (pipeline_, heap_, stack_, stack_top_, size_, bytes_, scopes_)
        (memory_, mmu_, cpu_)

from  Benoît Perrot  <benoit@lrde.epita.fr>

        Track memory leaks.

        * dev/inst-builder-gen.py,
        * dev/inst-nodes-gen.py,
        * dev/mipsy.xml,
        * dev/parse-asm-parse-gen.py,
        * src/inst/data_section.hh,
        * src/inst/exp.hh,
        * src/inst/program_builder.cc,
        * src/inst/section.hh,
        * src/inst/text_section.hh,
        * src/vm/cpu.hh, src/vm/cpu.cc
        * src/vm/segment.hh,
        * src/vm/vm-tasks.cc:
        Use pointers instead of references for each allocated attribute, 
        and delete them.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        * dev/doc-inst-set-gen.py,
        * dev/inst-builder-gen.py,
        * dev/inst-makefile-gen.py,
        * dev/inst-nodes-gen.py,
        * dev/mipsy.py,
        * dev/mipsy.xml,
        * dev/parse-asm-parse-gen.py,
        * dev/parse-asm-scan-gen.py,
        * src/common.hh,
        * src/mipsy-tasks.cc, src/mipsy-tasks.hh,
        * src/mipsy.cc,
        * src/modules.hh,
        * src/inst/data_section.hh,
        * src/inst/exp-visitor.hh,
        * src/inst/exp.hh,
        * src/inst/inst-tasks.cc, src/inst/inst-tasks.hh,
        * src/inst/inst.hh,
        * src/inst/label.cc, src/inst/label.hh,
        * src/inst/program.hh,
        * src/inst/program_builder.cc,
        * src/inst/program_solver.hh,
        * src/inst/register.hh,
        * src/inst/section.hh,
        * src/inst/text_section.hh,
        * src/parse/asm-scan.hh,
        * src/parse/libparse.cc, src/parse/libparse.hh,
        * src/parse/parse-tasks.cc, src/parse/parse-tasks.hh,
        * src/task/task-tasks.cc, src/task/task-tasks.hh,
        * src/task/task.cc, src/task/task.hh,
        * src/task/task_register.cc, src/task/task_register.hh,
        * src/vm/cpu.hh, src/vm/cpu.cc,
        * src/vm/memory.hh,
        * src/vm/mmu.hh,
        * src/vm/segment.hh,
        * src/vm/table.hh,
        * src/vm/virtual_machine.hh,
        * src/vm/vm-tasks.cc, src/vm/vm-tasks.hh:
        Update Copyright.
        Suggested by Akim Demaille.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        Use STL type naming style.

        * dev/inst-nodes-gen.py,
        * src/inst/section.hh,
        * src/inst/data_section.hh,
        * src/inst/text_section.hh,
        * src/inst/exp.hh, src/inst/exp-visitor.hh
        * src/inst/label.hh, src/inst/label.cc,
        * src/task/task.hh,
        * src/task/task_register.cc,
        * src/vm/cpu.hh, src/vm/cpu.cc,
        * src/vm/table.hh,
        * src/misc/select_const.hh (label_list_t, kind_t, string_set_t)
        (offset_label_t, label_offset_t, deps_t, register_t, uregister_t) 
        (scope_t, scope_t, t):
        Rename as...
        (label_list_type, kind_type, string_set_type, offset_label_type)
        (label_offset_type, deps_type, register_type, uregister_type)
        (scope_type, scopes_type, type):
        these.

--- ChangeLog Mon, 12 Jan 2004 18:37:08 +0100 noe (mipsy/2_ChangeLog 1.60 604)
+++ ChangeLog Mon, 12 Jan 2004 18:40:01 +0100 noe (mipsy/2_ChangeLog 1.60 604)
@@ -1,5 +1,12 @@
 2004-01-12  Benoît Perrot  <benoit@lrde.epita.fr>
 
+	* src/vm/cpu.hh, src/vm/cpu.cc:
+	Add delay slot support.
+	* tests/good/check-good, tests/runtime/check-runtime:
+	Test mipsy forcing NOPs after native branches.
+
+2004-01-12  Benoît Perrot  <benoit@lrde.epita.fr>
+
 	* dev/inst-builder-gen.py,
 	* src/inst/program_builder.cc:
 	Prepare delay slots support by adding NOPs after native branches

--- ChangeLog Mon, 12 Jan 2004 15:28:03 +0100 noe (mipsy/2_ChangeLog 1.58 604)
+++ ChangeLog Mon, 12 Jan 2004 17:26:41 +0100 noe (mipsy/2_ChangeLog 1.58 604)
@@ -1,5 +1,13 @@
 2004-01-12  Benoît Perrot  <benoit@lrde.epita.fr>
 
+	* src/vm/cpu.hh,
+	* src/vm/memory.hh,
+	* src/vm/mmu.hh,
+	* src/vm/virtual_machine.hh:
+	Add some comments.
+
+2004-01-12  Benoît Perrot  <benoit@lrde.epita.fr>
+
 	* src/vm/mmu.hh:
 	* src/vm/Makefile.am: Distribute mmu.hh.
 	* src/vm/cpu.hh, src/vm/cpu.cc,

--- ChangeLog Sat, 10 Jan 2004 23:58:50 +0100 noe (mipsy/2_ChangeLog 1.57 604)
+++ ChangeLog Mon, 12 Jan 2004 15:27:22 +0100 noe (mipsy/2_ChangeLog 1.57 604)
@@ -1,3 +1,11 @@
+2004-01-12  Benoît Perrot  <benoit@lrde.epita.fr>
+
+	* src/vm/mmu.hh:
+	* src/vm/Makefile.am: Distribute mmu.hh.
+	* src/vm/cpu.hh, src/vm/cpu.cc,
+	* src/vm/virtual_machine.hh:
+	Use a Memory Management Unit to access memory.
+
 2004-01-10  Benoît Perrot  <benoit@lrde.epita.fr>
 
 	* dev/inst-nodes-gen.py: Generate interface of classes in

from  Benoît Perrot  <benoit@lrde.epita.fr>
        * src/vm/cpu.hh, src/vm/virtual_machine.hh, src/vm/vm-tasks.cc:
        Make the CPU responsible of its instruction flow.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        * src/vm/cpu.hh, src/vm/cpu.cc: Uniformize register accessors, 
        removing deprecated ones.

from  Benoît Perrot  <benoit@lrde.epita.fr>

        * src/vm/memory.hh: Increase default stack size to 512 Ko.