changelog

gdb-6.0 linux 下的调试工具

2003-02-27  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.

2002-06-16  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

2002-06-09  Andrew Cagney  <[e-mail]>

	* Makefile.in (INCLUDE): Update path to callback.h.
	* mn10200_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".

2001-04-15  J.T. Conklin  <[e-mail]>

	* Makefile.in (simops.o): Add simops.h to dependency list.

Tue May 23 21:39:23 2000  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Thu Sep  2 18:15:53 1999  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

1999-05-08  Felix Lee  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	
1999-04-06  Keith Seitz  <[e-mail]>

	* interp.c (sim_stop): Set the sim's exception
	to SIGINT.

1999-04-02  Keith Seitz  <[e-mail]>

	* interp.c (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the
	frequency at which ui_loop_hook is called.
	(ui_loop_hook_counter): New global defined when NEED_UI_LOOP_HOOK
	is defined.
	(sim_resume): Call ui_loop_hook (if defined) when the interval
	passes.
	* Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.

Wed Jun 17 11:37:59 1998  Mark Alexander  <[e-mail]>

	* Makefile.in: Define NL_TARGET so that targ-vals.h will be used
	instead of syscall.h.
	* simops.c: Use targ-vals.h instead of syscall.h.

Tue Apr 28 18:33:31 1998  Geoffrey Noer  <[e-mail]>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Sun Apr 26 15:19:58 1998  Tom Tromey  <[e-mail]>

	* acconfig.h: New file.
	* configure.in: Reverted change of Apr 24; use sinclude again.

Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Fri Apr 24 11:19:13 1998  Tom Tromey  <[e-mail]>

	* configure.in: Don't call sinclude.

Thu Apr 23 09:48:14 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Sat Apr  4 20:36:25 1998  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Mar 27 16:15:52 1998  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 25 12:35:29 1998  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 18 12:38:12 1998  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Feb 17 12:46:22 1998  Andrew Cagney  <[e-mail]>

	* interp.c (sim_store_register, sim_fetch_register): Pass in
 	length parameter.  Return -1.

Sun Feb  1 16:47:51 1998  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Sat Jan 31 18:15:41 1998  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Jan 13 00:01:40 1998  Jeffrey A Law  ([e-mail])

	* simops.c: Stores to abs16 memory addresses zero extend the
	abs16 address.

Mon Dec 15 23:17:11 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Thu Dec  4 09:21:05 1997  Doug Evans  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Oct 22 14:43:00 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_load): Pass lma_p and sim_write args to
 	sim_load_file.

Fri Oct  3 09:28:00 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Sep 24 17:38:57 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Sep 23 11:04:38 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 22 11:46:20 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Sep 19 17:45:25 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 15 17:36:15 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Sep  2 18:41:23 1997  Jeffrey A Law  ([e-mail])

        * simops.c: PC relative instructions are relative to the next
	instruction, not the current instruction.

Wed Aug 27 18:13:22 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Tue Aug 26 10:40:45 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_kill): Delete.
	(sim_create_inferior): Add ABFD argument.
	(sim_load): Move setting of PC from here.
	(sim_create_inferior): To here.

Mon Aug 25 17:50:22 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Mon Aug 25 16:14:44 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open): Add ABFD argument.

Tue Jun 24 13:44:08 1997  Jeffrey A Law  ([e-mail])

	* interp.c (sim_resume): Clear State.exited.
	(sim_stop_reason): If State.exited is nonzero, then indicate that
	the simulator exited instead of stopped.
	* mn10200_sim.h (struct _state): Add exited field.
	* simops.c (syscall): Set State.exited for SYS_exit.

Tue May 20 17:45:47 1997  Jeffrey A Law  ([e-mail])

	* interp.c: Replace all references to load_mem and store_mem
	with references to load_byte, load_half, load_3_byte, load_word
	and store_byte, store_half, store_3_byte, store_word.
	(INLINE): Delete definition.
	(load_mem_big): Likewise.
	(max_mem): Make it global.
	(dispatch): Make this function inline.
	(load_mem, store_mem): Delete functions.
	* mn10200_sim.h (INLINE): Define.
	(RLW): Delete unused definition.
	(load_mem, store_mem): Delete declarations.
	(load_mem_big): New definition.
	(load_byte, load_half, load_3_byte, load_word): New functions.
	(store_byte, store_half, store_3_byte, store_word): New functions.
	* simops.c:  Replace all references to load_mem and store_mem
	with references to load_byte, load_half, load_3_byte, load_word
	and store_byte, store_half, store_3_byte, store_word.

Tue May 20 10:21:00 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open): Add callback argument.
	(sim_set_callbacks): Delete SIM_DESC argument.

Sun May 18 16:59:09 1997  Jeffrey A Law  ([e-mail])

	* interp.c (compare_simops): New function.
	(sim_open): Sort the Simops table before inserting entries
	into the hash table.

Fri May 16 16:29:18 1997  Jeffrey A Law  ([e-mail])

	* interp.c (load_mem): Fix formatting/indention problems with
	last change.  If we get a load from an out of range address,
	abort instead of returning zero.
	(store_mem): Abort if we try to store to an out of range address.

Wed May 14 21:21:30 1997  Bob Manson  <[e-mail]>

	* simops.c (OP_F010): Fix some arguments to correspond
	with reality (types of arguments passed to lseek, read,
	write, open).

	* interp.c (max_mem): New variable.
	(load_mem): Check memory address against max_mem to
	avoid some self-destructive behaviors.

Tue May 13 21:45:24 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix typo in cc0 setting for lsr.

Tue May  6 13:22:12 1997  Jeffrey A Law  ([e-mail])

	* interp.c: Random typo/thinko cleanups.

Thu Apr 24 00:39:51 1997  Doug Evans  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Apr 21 10:29:30 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix typo in "open" syscall emulation.

Fri Apr 18 14:04:31 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_stop): Add stub function.

Thu Apr 17 03:23:58 1997  Doug Evans  <[e-mail]>

	* Makefile.in (SIM_OBJS): Add sim-load.o.
	* interp.c (sim_kind, myname): New static locals.
	(sim_open): Set sim_kind, myname.  Ignore -E arg.
	(sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
	load file into simulator.  Set start address from bfd.
	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.

Wed Apr 16 18:06:50 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_F010): SYS_execv, SYS_time, SYS_times, SYS_utime
 	only include if implemented by host.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Fri Apr  4 20:01:56 1997  Ian Lance Taylor  <[e-mail]>

	* Makefile.in: Change mn10200-opc.o to m10200-opc.o, to match
	corresponding change in opcodes directory.

Wed Apr  2 15:06:28 1997  Doug Evans  <[e-mail]>

	* interp.c (sim_open): New arg `kind'.

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Apr  2 14:34:19 1997 Andrew Cagney <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Thu Mar 20 20:28:14 1997  Jeffrey A Law  ([e-mail])

	* mn10200_sim.h: Protect uses of "signed" to cater to broken
	non-ansi compilers (HPs).  Don't use #error for the same reason.

Tue Mar 18 12:23:31 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Don't sign-extend immediate for "mov imm16,an".
	Simplify "sub" handling.  Fix "mul" to properly sign extend
	operands.  Set CF appropriately for btst imm16,dn.  Implement "rti".

	* gencode.c: Delete unused "Opcodes" and "curop" variables.

Wed Mar 19 01:14:00 1997  Andrew Cagney  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Mar 17 15:10:07 1997  Andrew Cagney  <[e-mail]>

	* configure: Re-generate.

Fri Mar 14 10:34:11 1997  Michael Meissner  <[e-mail]>

	* configure: Regenerate to track ../common/aclocal.m4 changes.

Thu Mar 13 12:53:14 1997  Doug Evans  <[e-mail]>

	* interp.c (sim_open): New SIM_DESC result.  Argument is now
	in argv form.
	(other sim_*): New SIM_DESC argument.

Wed Mar 12 15:02:35 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix typo for "bclr".

Wed Feb 26 16:46:13 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Handle new calling convention in emulated syscall
	code.

Mon Feb 24 14:25:11 1997  Jeffrey A Law  ([e-mail])

	* interp.c (load_mem_big): Add some missing parens.

Wed Feb 19 23:19:08 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Don't use "long long" data types for intermediate
	values in "divu", "mul" and "mulu" instructions.

Fri Feb 14 02:46:46 1997  Jeffrey A Law  ([e-mail])

	* interp.c (hash): Rework to be more efficient.
	(dispatch): Renamed from lookup_hash.  Dispatch to the target
	function and update the PC here.
	(load_mem_big): Now a macro.
	(sim_resume): Restructure code to read an insn, determine its
	length, call dispatch routines, etc to be much more efficient.

Fri Feb  7 12:59:36 1997  Jeffrey A Law  ([e-mail])

	* interp.c (MAX_HASH): Redefine to 127.
	(struct hash_entry): Add "count" field when HASH_STAT is defined.
	(hash): Improve hashing for many heavily used opcodes.
	(lookup_hash): Bump counters if HASH_STAT is defined.
	(sim_open): Don't put the same opcode in the hash table more
	than once.  Clear counters if HASH_STAT is defined.
	(sim_resume): After program exits, dump hash table stats if
	HASH_STAT is defined.

Wed Feb  5 10:28:37 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix register extraction for "ext dn".

Tue Feb  4 17:27:41 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix register extractions for "movbu (an), dm".

Tue Feb  4 13:33:30 1997  Doug Evans  <[e-mail]>

	* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
	COMMON_{PRE,POST}_CONFIG_FRAG instead.
	* configure.in: sinclude ../common/aclocal.m4.
	* configure: Regenerated.

Fri Jan 31 01:19:02 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Get carry-in bit right for rol.  Just clear the
	NF flag for btst imm8,dn.

Wed Jan 29 15:47:42 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Properly compute ZF flag for many insns.

Sat Jan 25 17:06:55 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Properly truncate divisor and dividend before
	performing "divu" operation.

Fri Jan 24 10:47:48 1997  Jeffrey A Law  ([e-mail])

	* simops.c (init_system): Allocate 2^19 bytes of space for
	the simulator.

Thu Jan 23 21:17:33 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Rework code to extract arguments for emulated
	syscalls to handle 24bit pointers.

Thu Jan 23 14:06:04 1997  Stu Grossman  ([e-mail])

	* configure configure.in Makefile.in:  Update to new configure
	scheme which is more compatible with WinGDB builds.
	* configure.in:  Improve comment on how to run autoconf.
	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
	* Makefile.in:  Use autoconf substitution to install common
	makefile fragment.

Thu Jan 23 12:04:38 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix destination register for "mov (abs24),an".

Tue Jan 21 15:59:21 1997  Jeffrey A Law  ([e-mail])

	* simops.c: "rts" adds 4 to the stack pointer.

	* simops.c: Fix CF and CX computation for add instructions.

	* simops.c: Leave the upper 8 bits alone for logical ops.
	Mask off high 8 bits before doing any shifts/rotates.
	Fix carry bit handling in rotates again.

Mon Jan 20 10:45:08 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Don't lose the sign bit for "asr".

Fri Jan 17 01:45:14 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix overflow computation for "cmp" and "sub"
	instructions.

	* simops.c: Use the right register for "jmp (an)" and "jsr (an)".

	* interp.c (hash): Improve hashing for 3 byte instructions.

	* simops.c: Fix extraction of 16/24bit immediates for some
	instructions.  "cmp" instructions only modify the PSW.
	Fix various thinkos when extracting register operands too.

Thu Jan 16 07:47:56 1997  Jeffrey A Law  ([e-mail])

	* simops.c: Fix "rol" and "ror".

	* simops.c: Truncate PC to 24bits after modifying it.
	Closer stab at emulated system calls.

Tue Jan 14 12:33:12 1997  Jeffrey A Law  ([e-mail])

	* interp.c (hash): Improve hashing of two byte insns.
	(store_mem): Handle storing 3 byte quantities.

	* simops.c: Fix various typos/thinkos.

	* interp.c (load_mem_big, load_mem, store_mem): Fix thinko in
	code to handle 24bit addresses.
	* simops.c (REG0_8, REG0_16): Fix typo.

Mon Jan  6 16:17:09 1997  Jeffrey A Law  ([e-mail])

	* mn10200_sim.h: Various fixes for mixed 16/24bit architecture.
	* interp.c: Similarly.
	* simops.c: Similarly.

	* Makefile.in, config.in, configure, configure.in: New files.
	* gencode.c, interp.c, mn10200_sim.h, simops.c: New files.