ChangeLog

2003-08-21  Benot Perrot  <benoit@lrde.epita.fr>

	Make the Cpu responsible of the execution of instructions ; 
	the VirtualMachine must be seen as a motherboard that could 
	support more than one Cpu.
	
	* src/vm/virtual_machine.cc: Move to...
	* src/vm/cpu.cc: here.
	* src/vm/Makefile.am: Propagate it.
	* src/vm/virtual_machine.hh: Move execution interface to...
	* src/vm/cpu.hh: here.

2003-08-20  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml: Add mul with immediate pseudo-instruction.
	* src/inst/program_builder.cc: Expand it.

2003-08-19  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-scanner-gen.py: Accept a quoted character as an integer 
	value.

2003-08-14  Benot Perrot  <benoit@lrde.epita.fr>

	* configure.ac, NEWS: 
	Release 0.4, bump to 0.5.
	* Makefile.am: Distribute bootstrap.	

2003-08-13  Benot Perrot  <benoit@lrde.epita.fr>

	* tests/good/check-good,
	* tests/lexical/check-lexical,
	* tests/runtime/check-runtime,
	* tests/solve/check-solve,
	* tests/syntax/check-syntax,
	* tests/unlimited/check-unlimited:
	Distribute sub scripts.
		
2003-08-13  Benot Perrot  <benoit@lrde.epita.fr>	

	* src/vm/virtual_machine.cc (syscall): Look for $a0 as argument of 
	exit syscall.
	* tests/good/add-sub.s,
	* tests/good/and-or-nor-xor.s,
	* tests/good/exit.s,
	* tests/good/extended-euclide.s,
	* tests/good/gtcd.s,
	* tests/good/modular-exponent.s,
	* tests/good/neg.s,
	* tests/good/not.s,
	* tests/good/print.s,
	* tests/good/print_int.s,
	* tests/good/read_int.s,
	* tests/good/seq-sne.s,
	* tests/good/shift.s,
	* tests/runtime/neg.s,
	* tests/runtime/no-main.s,
	* tests/solve/undefined-labels.s,
	* tests/syntax/asciiz-wrong-param.s,
	* tests/syntax/too-many-operands.s,
	* tests/unlimited/simple-exp.s:
	Use exit(0).
	
2003-08-11  Benot Perrot  <benoit@lrde.epita.fr>

	* tests/Makefile.am: Distribute tests machinery.

	* tests/common.mk: Distribute variables and rules used by
	the test suite.
	* tests/generate-ref.mk: Distribute reference output files generators.
	* tests/mipsy-check: Distribute main test script.

	* tests/lexical/invalid-string-hexa.s,
	* tests/lexical/invalid-string-octal.s,
	* tests/lexical/unlimited-regs.s,
	* tests/lexical/unrecognized-escape.s,
	* tests/lexical/unterminated-string.s,
	* tests/lexical/Makefile.am:
	Distribute tests that fail at scan level.

	* tests/syntax/too-many-operands.s,
	* tests/syntax/asciiz-wrong-param.s,
	* tests/syntax/Makefile.am:
	Distribute tests that fail at parse level.

	* tests/solve/undefined-labels.s,
	* tests/solve/Makefile.am:
	Distribute tests that fail at solve-time.

	* tests/runtime/abs.s,
	* tests/runtime/neg.s,
	* tests/runtime/no-main.s,
	* tests/runtime/Makefile.am:
	Distribute tests that fail at run-time.

	* tests/unlimited/simple-exp.s,
	* tests/unlimited/Makefile.am:
	Distribute tests that use unlimited registers.

	* tests/good/add-sub.s,
	* tests/good/and-or-nor-xor.s,
	* tests/good/exit.s,
	* tests/good/extended-euclide.s,
	* tests/good/gtcd.s,
	* tests/good/modular-exponent.s,
	* tests/good/neg.s,
	* tests/good/not.s,
	* tests/good/print.s,
	* tests/good/print_int.s,
	* tests/good/read_int.s, tests/good/read_int.in,
	* tests/good/seq-sne.s,
	* tests/good/shift.s,
	* tests/good/Makefile.am:
	Distribute tests that execute normally.

	* configure.ac, Makefile.am:
	Distribute tests suite.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml, src/inst/program_builder.cc:
	Normalize move to addu.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-builder-gen.py,
	* src/parse/libparse.hh, src/parse/libparse.cc,
	* src/parse/parse-tasks.hh, src/parse/parse-tasks.cc:
	Fill delay slot of native branch instructions with NOP.
	* NEWS: Update.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* configure.ac:
	Bump to 0.4.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* src/task/task_register.cc:
	Fix usage display.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml, dev/mips.py:
	Specify instruction kind.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-scanner-gen.py,
	* src/parse/libparse.hh, src/parse/libparse.cc,
	* src/parse/parse-tasks.hh, src/parse/parse-tasks.cc:
	Make unlimited registers optional.

2003-07-29  Benot Perrot  <benoit@lrde.epita.fr>

	* src/task/task_register.hh (parse_args): Do not search beyond
	map's end.

2003-07-28  Benot Perrot  <benoit@lrde.epita.fr>

	* NEWS: Describe main version changes.

2003-07-27  Benot Perrot  <benoit@lrde.epita.fr>

	* src/task/task_register.hh, src/task/task_register.cc:
	Disambiguate uncomplete options. Clean usage display.
	* src/mipsy.cc: Launch "--execute" if no option is specified.

2003-07-26  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-mk-inst-gen.py: Distribute section.hh.

2003-07-20  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/virtual_machine.hh, src/vm/virtual_machine.cc,
	* src/vm/vm-tasks.hh, src/vm/vm-tasks.cc:
	Check preservation of callee save registers on demand.
	* src/parse/parse-tasks.cc: Remove useless includes.

	* TODO: Update.

2003-07-18  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/register.hh, src/vm/cpu.hh:
	Move general register indices from Register.hh into Cpu.
	* src/inst/program_builder.cc,
	* dev/mipsy.xml, dev/mipsy-parser-gen.py, dev/mipsy-scanner-gen.py:
	Adjust.

2003-07-18  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/cpu.hh: Add a checker for unlimited register existence.

2003-07-17  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/memory.hh: stack_size is an argument of Memory constructor.

2003-07-17  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/virtual_machine.hh: (step) Return a boolean that
	indicates the end of the execution.

2003-07-17  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/memory.hh: Add accessors for heap and stack sizes.

2003-07-17  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/section.hh: Export types.
	* src/vm/virtual_machine.cc, src/vm/virtual_machine.hh:
	Use variable input and output streams.

2003-07-17  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/section.hh: Add a const accessor to Section's labels.

2003-07-12  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/section.hh,
	* src/inst/data_section.hh, src/inst/text_section.hh:
	Factor Section code.

2003-07-11  Benot Perrot  <benoit@lrde.epita.fr>

	* config/depcomp, config/install-sh, config/missing,
	* config/mkinstalldirs:
	Remove auto-generated files.

2003-07-11  Benot Perrot  <benoit@lrde.epita.fr>

	* configure.ac:
	Bump to 0.3.

2003-07-11  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/virtual_machine.cc:
	Set exit_status to exit_runtime when an exception occurs.

2003-07-11  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/virtual_machine.hh, src/vm/virtual_machine.cc:
	Define and use a step of execution.
	* src/common.hh, src/vm/vm-tasks.cc:
	Adjust.

2003-07-11  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-scanner-gen.py,
	* src/inst/register.hh, src/vm/cpu.hh:
	Use a register vector for general purpose registers.
	* src/vm/virtual_machine.cc:
	Adjust.

2003-07-10  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml, src/inst/program_solver.hh, src/vm/virtual_machine.hh:
	Normalize nop to sll zero, zero, 0.

2003-07-07  Benot Perrot  <benoit@lrde.epita.fr>

	* bootstrap, dev/mipsy-mk-inst-gen.py:
	Generate src/inst/Makefile.am at bootstrap.

2003-07-07  Benot Perrot  <benoit@lrde.epita.fr>

	* src/task/task.hh: Remove useless ";" at end of macro definitions.

2003-07-07  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml,
	* src/inst/program_builder.cc,
	* src/inst/program_solver.hh,
	* src/vm/cpu.hh,
	* src/vm/virtual_machine.hh, src/vm/virtual_machine.cc:
	Use HI and LO register to execute div, divu, rem, remu.

2003-07-06  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/virtual_machine.cc:
	read_string stops after an OEF or a newline; if a newline is read,
	it is stored into the buffer.

2003-07-05  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml,
	* src/inst/program_builder.cc, src/inst/program_solver.hh,
	* src/vm/virtual_machine.hh, src/vm/virtual_machine.cc:
	Support more comparison instructions.
	Implement shift (logical and arithmetical) and rotate.
	Add some syntaxes to branch instructions.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml, src/inst/program_builder.cc:
	Use gcc's expansion of complex and pseudo instructions.
	* src/vm/virtual_machine.cc:
	Check overflow in Sub.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-parser-gen.py:
	Allow expression for destination of branch instructions.
	* dev/mipsy-inst-gen.py:
	Generate an Exp& variable for a label.
	* src/inst/program_builder.cc, src/inst/program_solver.hh,
	* src/vm/virtual_machine.cc,
	Adjust.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* doc/mipsy.texi: Add some comments on internal.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* src/vm/virtual_machine.hh: Display a dedicated error message
	when the main label can not be found.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml, dev/mipsy.py:
	Allow level of instruction override in syntax.
	Rename "neg" as "negu".
	* dev/mipsy-builder-gen.py:
	Adjust.

	* src/inst/program_builder.cc:
	Support more syntaxes on branch instructions, support neg.
	* src/vm/virtual_machine.cc:
	Adjust overflow detection.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-parser-gen.py, dev/mipsy-scanner-gen.py,
	* dev/mipsy-builder-gen.py, dev/mipsy.py, dev/mipsy.xml
	* src/common.hh, src/modules.hh,
	* src/mipsy-tasks.hh, src/mipsy-tasks.cc, src/mipsy.cc,
	* src/inst/data_section.hh,
	* src/inst/exp-visitor.hh,
	* src/inst/exp.hh,
	* src/inst/inst.hh,
	* src/inst/program.hh,
	* src/inst/program_builder.cc,
	* src/inst/program_solver.hh,
	* src/inst/register.hh,
	* src/inst/text_section.hh,
	* src/parse/asm-scan.hh,
	* src/parse/libparse.hh, src/parse/libparse.hh,
	* src/parse/parse-tasks.hh, src/parse/parse-tasks.cc,
	* src/task/task-tasks.hh, src/task/task-tasks.cc,
	* src/task/task.cc, src/task/task.hh,
	* src/task/task_register.hh, src/task/task_register.cc,
	* src/vm/cpu.hh,
	* src/vm/memory.hh,
	* src/vm/segment.hh,
	* src/vm/table.hh,
	* src/vm/virtual_machine.hh, src/vm/virtual_machine.cc,
	* src/vm/vm-tasks.hh, src/vm/vm-tasks.cc:
	Add license.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* doc/mipsy.texi, doc/fdl.texi, doc/Makefile.am,
	* configure.ac:
	Begin documentation effort.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* Makefile.am, src/Makefile.am, src/misc/Makefile.am,
	* src/parse/Makefile.am, src/task/Makefile.am, src/vm/Makefile.am:
	Support automatic generation.

	* README:
	Document it.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* vm/table.hh, cpu.hh:
	Allow unlimited registers.

	* vm/memory.hh: New.
	* vm/segment.hh: New.

	* vm/virtual_machine.{hh, cc}: Implement instructions.

2003-06-29  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy-builder-gen.py:
	Use MIPS instruction set to generate ProgramBuilder.
	* src/inst/program_builder.cc:
	Implement complex opcodes expansion.

	* dev/mipsy-parser-gen.py:
	Use ProgramBuilder.

2003-06-28  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/{data, text}_section.hh: New.
	* src/inst/program.hh: New.

	* src/inst/visitor.hh: New.
	* src/inst/program_solver.hh: New.

2003-06-28  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/inst.hh: New.
	* dev/mipsy-inst-gen.py:
	Use MIPS instruction set to generate Inst class declarations.

2003-06-28  Benot Perrot  <benoit@lrde.epita.fr>

	* src/inst/register.hh: New.
	* src/inst/Makefile.am, src/Makefile.am
	Distribute and compile 'inst' module.
	* src/inst/label.{hh, cc}: New.
	* src/inst/Makefile.am, src/Makefile.am:
	Distribute and compile labels.
	* src/parse/asm-{scan.ll, parse.yy}:
	Use labels and registers.

2003-06-27  Benot Perrot  <benoit@lrde.epita.fr>

	* src/misc/:
	Add miscellaneous helpers.
	* src/misc/Makefile.am, src/Makefile.am:
	Distribute and compile 'misc' module.
	* src/parse/asm-{scan.ll, parse.yy}:
	Use misc helpers.

2003-06-27  Benot Perrot  <benoit@lrde.epita.fr>

	* dev/mipsy.xml:
	Add MIPS instruction set xml file.
	* dev/mipsy.py:
	Add MIPS instruction set xml parser.
	* dev/mipsy-{scanner, parser}-gen.py:
	Use MIPS instruction set to generate flex and bison files.
	* src/parse/Makefile.am, src/Makefile.am:
	Distribute and compile 'parse' module.

2003-06-27  Benot Perrot  <benoit@lrde.epita.fr>

	* ./, ./dev/, ./src/, ./src/parse/:
	Create development tree.
	* ./config/, configure.ac, Makefile.am:
	Use autotools.
	* src/mipsy.cc: Add dummy driver.