changelog

这个是LINUX下的GDB调度工具的源码

2004-06-28  Andrew Cagney  <[e-mail]>

	* interp.c (sim_resume): Rename ui_loop_hook to
	deprecated_ui_loop_hook.

2003-10-30  Andrew Cagney  <[e-mail]>

	* simops.c: Replace "struct symbol_cache_entry" with "struct
	bfd_symbol".

2003-06-22  Andrew Cagney  <[e-mail]>

	* interp.c (xfer_mem): Simplify.  Only do a single partial
	transfer.  Problem reported by Tom Rix.

2003-05-07  Andrew Cagney  <[e-mail]>

	* interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
	(sim_d10v_translate_imap_addr): Ditto.
	(sim_d10v_translate_dmap_addr): Ditto.
	(xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
	(dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
	(dmap_register, imap_register): Add "regcache" parameter.
	(imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
	(sim_fetch_register): Pass NULL regcache to imap_register and
	dmap_register.

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

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

2002-11-13  Andrew Cagney  <[e-mail]>

	* simops.c: Include <string.h>.

2002-06-17  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.

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

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

2002-06-13  Tom Rix  <[e-mail]>

	* interp.c (xfer_mem): Fix transfers across multiple segments.
 
2002-06-09  Andrew Cagney  <[e-mail]>

	* Makefile.in (INCLUDE): Update path to callback.h.
	* gencode.c: Do not include "callback.h".
	* d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
	* interp.c: Ditto.

2002-06-08  Andrew Cagney  <[e-mail]>

	* interp.c (sim_fetch_register): Fix name of enum used in cast.
	(sim_store_register): Ditto.

2002-06-02  Elena Zannoni  <[e-mail]>

        From Jason Eckhardt <[e-mail]>
        * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
        less than MOD_S (post-decrement).

2002-06-01  Andrew Cagney  <[e-mail]>

	* interp.c (sim_fetch_register, sim_store_register): Use a switch
	statement and enums from "sim-d10v.h".

2002-05-28  Elena Zannoni  <[e-mail]>

	* interp.c (sim_create_inferior): Add comment.

	From Alan Matsuoka <[e-mail]>:
	From 2001-04-27 Jason Eckhardt <[e-mail]>:
	* simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
	(OP_4401): Output "mvf0t" instead of "mf0t".
	(OP_460B): Do not output a flag register.
	(OP_4609): Do not output a flag register.

2002-05-23  Andrew Cagney  <[e-mail]>

	* Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
	* interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".

2001-08-01  John R. Moore  <[e-mail]>

	* interp.c (sim_create_inferior): Removed a hack that stated
	it was setting r0/r1 with argc/argv.

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.

Tue Apr 18 16:26:41 2000  Andrew Cagney  <[e-mail]>

	* interp.c (sim_resume): Deliver SIGILL.
	(lookup_hash): Do not print SIGILL message.

Tue Feb 22 18:24:56 2000  Andrew Cagney  <[e-mail]>

	* Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
	* interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.

Tue Feb  8 17:41:12 2000  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (SIG_D10V_BUS): Define.

	* simops.c (address_exception): Delete function.
	(OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 	OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 	OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 	OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
 	address_exception with code that sets SIG_D10V_BUS.

	* interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
 	error to the simulator before resuming execution.
	(sim_trace): Check stop reason and use that to determine sim_trace
 	return value.
	(sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
 	sigrc.

Tue Jan 18 16:07:42 MST 2000	Diego Novillo <[e-mail]>

	* interp.c (sim_create_inferior): Change internal initial value for
	DMAP2 to 0x2000.

Mon Jan  3 02:06:07 2000  Andrew Cagney  <[e-mail]>

	* interp.c (lookup_hash): Stop the update of the PC when there was
 	an illegal instruction exception.

Mon Jan  3 00:14:33 2000  Andrew Cagney  <[e-mail]>

	* simops.c (address_exception): New function.
	(OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 	OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 	OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 	OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 	and "st2w" check that the address is aligned.

1999-12-30  Chandra Chavva   <[e-mail]>
	
	* d10v_sim.h (INC_ADDR): Added code to assign
	proper address for loads with predec operations.

1999-11-25  Nick Clifton  <[e-mail]>

	* simops.c (OP_4E0F): New function: Simulate new bit pattern for
	cpfg instruction.

Fri Oct 29 18:34:28 1999  Andrew Cagney  <[e-mail]>

	* simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 	DPSW and BPSW.

Thu Oct 28 01:26:18 1999  Andrew Cagney  <[e-mail]>

	* simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
	(PSW_HW_MASK): Declare.

	* d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
	(SET_CREG, SET_PSW_BIT): Update.
	(SET_HW_CREG, SET_HW_PSW): Define.

Sun Oct 24 21:38:04 1999  Andrew Cagney  <[e-mail]>

	* interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 	for DMAP3.

Sun Oct 24 16:04:16 1999  Andrew Cagney  <[e-mail]>

	* interp.c (sim_d10v_translate_addr): New function.
	(xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
	(map_memory): Make INLINE.

Sun Oct 24 13:45:19 1999  Andrew Cagney  <[e-mail]>

	* interp.c (sim_d10v_translate_dmap_addr): New function.
	(dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 	offset parameter to type uint16.
	* d10v_sim.h (dmem_addr): Update declaration.

Sun Oct 24 13:07:31 1999  Andrew Cagney  <[e-mail]>

	* interp.c (imap_register, set_imap_register, dmap_register,
 	set_imap_register): Use map_memory.
	(DMAP): Update.
	(sim_create_inferior): Initialize all DMAP registers.  NOTE that
 	DMAP2, in internal memory mode, is set to 0x0000 and NOT
 	0x2000. This is consistent with the older d10v boards.

Sun Oct 24 11:22:12 1999  Andrew Cagney  <[e-mail]>

	* interp.c (sim_d10v_translate_imap_addr): New function.
	(imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
	(last_from, last_to): Declare.

Sun Oct 24 01:21:56 1999  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (struct d10v_memory): Define.  Support very long
 	memories.
	(struct _state): Replace imem, dmem and umem by mem.
	(IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 	DMEM_SEGMENTS, UMEM_SEGMENTS): Define.

	* interp.c (map_memory): New function.
	(sim_size, xfer_memory, imem_addr, dmem_addr): Update.
	(UMEM_SEGMENTS): Moveed to "d10v_sim.h".
	(IMEM_SIZEDMEM_SIZE): Delete.

Sat Oct 23 20:06:58 1999  Andrew Cagney  <[e-mail]>

	* interp.c: Include "sim-d10v.h".
 	(imap_register, set_imap_register, dmap_register,
 	set_dmap_register, spi_register, spu_register, set_spi_register,
 	set_spu_register): New functions.
	(sim_create_inferior): Update.
	(sim_fetch_register, sim_store_register): Rewrite.  Use enums
 	defined in sim-d10v.h.

	* d10v_sim.h (DEBUG_MEMORY): Define.
	(IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
	
Sat Oct 23 18:41:18 1999  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open): Allow a debug value to be passed to the -t
 	option.
	(lookup_hash): Don't exit on an illegal instruction.
	(do_long, do_2_short, do_parallel): Check for failed instruction
 	lookup.

Mon Oct 18 18:03:24 MDT 1999	Diego Novillo <[e-mail]>

	* simops.c (OP_3220): Fix trace output for illegal accumulator
 	message.

1999-09-14  Nick Clifton  <[e-mail]>

	* simops.c: Disable setting of DM bit in PSW.

Wed Sep  8 19:34:55 MDT 1999	Diego Novillo <[e-mail]>

	* simops.c (op_types): Added new memory indirect type OP_MEMREF3.
	(trace_input_func): Added support for OP_MEMREF3.
	(OP_32010000): New instruction ld.
	(OP_33010000): New instruction ld2w.
	(OP_5209): New instruction sac.
	(OP_4209): New instruction sachi.
	(OP_3220): New instruction slae.
	(OP_36010000): New instruction st.
	(OP_37010000): New instruction st2w.

1999-09-09  Stan Shebs  <[e-mail]>

	* interp.c (old_segment_mapping): New global.
	(xfer_mem): Change the default segment mapping to be the way
	that Mitsubishi prefers, but use the previous mapping if
	old_segment_mapping is true.
	(sim_open): Add an option -oldseg to get the old mapping.
	(sim_create_inferior): Init mapping registers based on the
	value of old_segment_mapping.

1999-09-07  Nick Clifton  <[e-mail]>

	* simops.c (OP_6601): Do not write back decremented address if
	either of the destination registers was the same as the address
	register. 
	(OP_6201): Do not write back incremented address if either of the
	destination registers was the same as the address register. 

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

	* interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
	defined).
	(sim_resume): If the counter has expired, call the ui_loop_hook,
	if defined.
	(UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
	ui_loop_hook calls.
	* Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.

Wed Mar 10 19:32:13 1999  Nick Clifton  <[e-mail]>

	* simops.c: If load instruction with auto increment/decrement
	addressing is used when the destination register is the same as
	the address register, then ignore the auto increment/decrement.

Wed Mar 10 19:32:13 1999  Martin M. Hunt  <[e-mail]>

	* simops.c (OP_5F00): Ifdef SYS_stat case because
	not all systems have it defined.

1999-01-26  Jason Molenda  ([e-mail])

	* simops.c (OP_5607): Correct saturation comparison/assignment.
	(OP_1201, OP_1203, OP_17001200, OP_17001202, 
         OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201, 
         OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.

1999-01-26  Jason Molenda  ([e-mail])

	* simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
        comparison.
	(OP_5607): Ditto.
	(OP_2A00): Ditto.
	(OP_2800): Ditto.

1999-01-13  Jason Molenda  ([e-mail])

	* simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
	comparison.

Tue Nov 24 17:04:43 1998  Andrew Cagney  <[e-mail]>

	* simops.c (sys/syscall.h): Include targ-vals.h instead.
	(SYS_*): Replace with TARGET_SYS_*.

	* Makefile.in: Add dependency on targ-vals.h.
	(NL_TARGET): Define as NL_TARGET_d10v.

Wed Sep 30 00:06:32 1998  Andrew Cagney  <[e-mail]>

	* interp.c (xfer_mem): Missing break, instruction memory case
 	flowed into unified memory case.

Wed Sep 30 10:14:18 1998  Nick Clifton  <[e-mail]>

	* simops.c: If load instruction with auto increment/decrement
	addressing is used when the destination register is the same as
	the address register, then ignore the auto increment/decrement.

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 15:20:23 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 11:20:06 1998  Tom Tromey  <[e-mail]>

	* configure.in: Don't call sinclude.

Fri Apr 24 11:04:46 1998  Andrew Cagney  <[e-mail]>

	* interp.c (struct hash_entry): OPCODE and MASK are unsigned.

	* d10v_sim.h (remote-sim.h, sim-config.h): Include.
	
Sat Apr  4 20:36:25 1998  Andrew Cagney  <[e-mail]>

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

Wed Apr  1 12:59:17 1998  Andrew Cagney  <[e-mail]>

	* simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 	up-to-date CR value.
	(OP_OP_1000000, add3): Trace inputs before performing add.
	(OP_5F00, <*>): Trace input registers before making system call.
	(OP_5F00, <kill>): Trace R0, R1 not REGn.
	(OP_5F00, <getpid>): Always return 47.
	
	* d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 	SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 	back slots.
	(struct _state): Add struct slot slot to global state variable.
	(struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 	F0, F1, C from global State variable.
	(struct _state): Add struct trace to global State variable.
	(GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
	(PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
	(CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
	(INC_ADDR): Re-implement.  Use SET_GPR to update registers.
	(JMP): Re-implement. Use SET_* to update registers.

	* interp.c: Use new SET_* et.al. macros to fetch / store
 	registers.
	(get_operands): Squirrel away trace values at start of each
 	operand decode.
	(do_2_short): Flush pending writes before issuing second
 	instruction.
	(sim_resume): Flush pending writes at end of instruction cycle.
	(sim_fetch_register, sim_store_register, sim_create_inferior):
 	After scheduling updates to registers using SET_*, flush updates.
	(sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 	that each sets pc using SET_* and last SET_* eventually winds out.
	
	* simops.c: Use new SET_* et.al. macros to fetch / store
 	registers.
	(move_to_cr): Add MASK argument for selective update of CREG bits.
  	Re-implement using new SET_* macros.
	(trace_output_func, trace_output): Delete. Replace with.
	(do_trace_output_flush, trace_output_finish, trace_output_40,
 	trace_output_32, trace_output_16, trace_output_void,
 	trace_output_flag): New functions.  Handle specific trace cases.
	(OP_*): Re-write tracing to use new trace_output_* functions.
	(OP_*): Re-write to use new SET_* et.al. macros.
	(FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
	(RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
	
Wed Apr  1 12:55:18 1998  Andrew Cagney  <[e-mail]>

	* configure.in (SIM_AC_OPTION_WARNINGS): Add.