changelog

gdb-6.0 linux 下的调试工具

	* 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 12:38:42 1998  Andrew Cagney  <[e-mail]>

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

Mon Oct 27 14:43:33 1997  Fred Fish  <[e-mail]>

	* (dmem_addr): If address is illegal or in I/O space, signal a bus
 	error.  Allocate unified memory on demand.  Fix DMEM address
 	calculations.
	
Mon Feb 16 10:27:53 1998  Andrew Cagney  <[e-mail]>

	* simops.c (OP_5F20): Implement "dbt".
	(OP_5F60): Implement "rtd".

	* d10v_sim.h (DPC_CR): Define enum.
	(DBT_VECTOR_START): Define
	(DPSW, DPC): Define.

Fri Feb 13 15:15:58 1998  Andrew Cagney  <[e-mail]>

	* simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 	to PSW:SM.

	* d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
	(SP_IDX): Define.

Wed Feb 11 16:53:49 1998  Andrew Cagney  <[e-mail]>

	* simops.c (OP_5F00): Call error instead of abort for unknown
 	syscalls.

	* d10v_sim.h (enum): Define DPSW_CR.

	* simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.

Tue Feb 10 18:28:38 1998  Andrew Cagney  <[e-mail]>

	* interp.c (sim_write_phys): Delete.
	(sim_load): Call sim_load_file with sim_write and LMA.

Mon Feb  9 12:05:01 1998  Andrew Cagney  <[e-mail]>

	* interp.c: Rewrite xfer_mem so that it translates addresses as -
 	0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 	0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 	memory.
	(pc_addr): Delete.
	(imem_addr): New function - translate IMEM address.
	(sim_resume): Use imem_addr to translate insn address, abort if
 	translation failed.
	(sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 	argc/argv using r0/r1 not r2/r3.
	(sim_size): Do not initialize IMAP/DMAP here.
	(sim_open): Call sim_create_inferior and sim_size to initialize
 	the system.
	(sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 	defaults.
	(init_system): Delete.
	(xfer_mem, sim_fetch_register, sim_store_register): Do not call
 	init_system.
	(decode_pc): Check prog_bfd is defined before looking up .text
 	section.

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.

Sun Jan 25 22:23:01 1998  Michael Meissner  <[e-mail]>

	* interp.c (sim_stop_reason): Exit status is now in r0, not r2.

Sat Jan 24 19:00:30 1998  Michael Meissner  <[e-mail]>

	* d10v_sim.h (DEBUG_TRAP): New debug flag.

	* simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
	printing the registers.

Thu Jan 22 17:54:01 1998  Michael Meissner  <[e-mail]>

	* simops.c (op_types): New ABI, args are r0..r3, system call # is
	in r4.
	(trace_{in,out}put_func): Ditto.
	(OP_4900): Ditto.
	(OP_24800000): Ditto.
	(OP_4D00): Ditto.
	(OP_5F00): Ditto.

Thu Jan 22 14:30:36 1998  Fred Fish  <[e-mail]>

	* interp.c (UMEM_SEGMENTS): New define, set to 128.
	(sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
	(sim_close): Reset prog_bfd to NULL after closing it.  Also
	reset prog_bfd_was_opened_p after closing prog_bfd.
	(sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
	(sim_create_inferior): Get start address from abfd not prog_bfd.
	(xfer_mem): Do bounds checking on addresses and return zero length
	read/write on bad addresses, rather than aborting.  Prepare to
	be able to handle xfers that cross segment boundaries, but not
	yet implemented.  Only emit debug message when d10v_debug is
	set as well as DEBUG being defined.

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

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

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

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

Tue Dec  9 10:28:31 1997  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
	(BPSW): Ditto for BPSW_CR and not PSW_CR.

	* simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
	
Mon Dec  8 12:58:33 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_5F00): From Martin Hunt <[e-mail]>. Change
 	reserved trap from 0 to 15. Add trap emulation code for 0-14.

	* interp.c (sim_resume): From Martin Hunt <[e-mail]>. Check
 	IBA for SDBT.

	* d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 	SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
	
	* simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 	use move_to_cr.
	(OP_5F00): For "trap", update BPSW with move_to_cr.

Fri Dec  5 15:31:17 1997  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (enum): Enumerate CR register names.
	(enum): Enumerate PSW bit values.
	(PSW): Obtain value uing move_from_cr.
	(MOD_S, MOD_E, BPSW): Make r-values.
	(move_from_cr, move_to_cr): Declare functions.
	
	* interp.c (sim_fetch_register, sim_store_register): Use
 	move_from_cr and move_to_cr for CR register transfers.

	* simops.c (move_from_cr, move_to_cr): New functions.
	(OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
	(OP_5600): For "mvtc", use function move_to_cr.
	(OP_5200): For "mvfc", use function move_from_cr.

Fri Dec  5 13:33:14 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 	LSbit is zero.

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

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

Thu Dec  4 16:51:02 1997  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (struct _state): Add DM - PSW debug mask.

	* simops.c (OP_5600): For "mvtc", save PSW.DM.
	(OP_5200): Ditto for "mvfc".

Wed Dec  3 17:27:06 1997  Andrew Cagney  <[e-mail]>

	* d10v_sim.h (SEXT56): Define.

	* simops.c (OP_4201): For "rac", sign extend 56 bit value before
 	it is shifted.

	* d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 	SIGNED64 macro.

Tue Dec  2 15:38:34 1997  Fred Fish  <[e-mail]>

	* interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
	RIGHT_FIRST, as appropriate, instead of hardcoded ints that
	don't match enum values.

Tue Dec  2 15:01:08 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_3A00): For "macu", perform multiply stage using 32
 	bit rather than 16 bit precision.
	(OP_3C00): For "mulxu", store unsigned product in ACC.
	(OP_3800): For "msbu", subtract unsigned product from ACC,
	(OP_0): For "sub", compute carry by comparing inputs.

Tue Dec  2 11:04:37 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_1000): For "sub2w", compute carry by comparing
 	inputs.

Mon Nov 17 20:57:21 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 	carry indicated by value > 0xffff.

Fri Nov 14 12:51:20 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_resume): Don't set up SIGINT handler using signal,
 	handled by client.
	(sim_resume): Fix race condition of a direct assignment to
 	stop_simulator, conditionally call sim_stop.
	(sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 	stop_simulator ready for next sim_resume call.
	(sim_ctrl_c): Delete function.

Thu Nov 13 19:29:34 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_resume): For "REP", only check/update the PC when
 	a branch instruction has not been executed.

Mon Nov 10 17:50:18 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 	extend bit 44 all constants.
	(OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
	
Fri Oct 24 10:26:29 1997  Andrew Cagney  <[e-mail]>

	* d10v_sim.h: Include sim-types.h.
	(uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 	using unsigned8 et.al. from sim-types.h.
	(SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 	SIGNED64 macro.

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

	* interp.c (sim_write_phys): New function, write to physical
 	instead of virtual memory.
	
	* interp.c (sim_load): Pass lma_p and sim_write_phys to
 	sim_load_file.

Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>

	* simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
	exception generation code to OP_6E01.
	(OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
	generation code.

Sat Oct 11 09:02:08 1997  Fred Fish  <[e-mail]>

	* simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
	(OP_6601): Ditto.

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

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

Sat Sep 27 12:51:34 1997  Fred Fish  <[e-mail]>

	* interp.c (pc_addr): Discard upper bit(s) of PC in case
	IMAP1 selects unified memory.
	* d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
	for end condition.

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.

Wed Sep 10 22:30:24 1997  Martin M. Hunt  <[e-mail]>

	* interp.c (sim_resume): Increment PC at end of rep
	loop.

	* simops.c (OP_4201): Fix rachi instruction.

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

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

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 10:37:49 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.
	(start_address): Delete variable.

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 15:39:29 1997  Andrew Cagney  <[e-mail]>

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

Tue May 20 10:14:45 1997  Andrew Cagney  <[e-mail]>

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

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

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

Tue Apr 22 10:29:23 1997  Doug Evans  <[e-mail]>

	* interp.c (sim_open): Undo patch to add -E support.

Fri Apr 18 13:39:01 1997  Andrew Cagney  <[e-mail]>

	* interp.c (sim_stop): New function.

Thu Apr 17 02:42:00 1997  Doug Evans  <[e-mail]>

	* Makefile.in (SIM_OBJS): Add sim-load.o.
	* d10v_sim.h (exec_bfd): Rename to prog_bfd.
	* interp.c: #include bfd.h.
	(myname, sim_kind, start_address): New static locals.
	(prog_bfd_was_opened_p, prog_bfd): New static locals.
	(decode_pc): Update to use prog_bfd.
	(sim_open): Set sim_kind, myname.  Ignore -E arg.
	(sim_close): Close prog_bfd if simulator opened it.
	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.
	(sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
	Call sim_load_file to load file into simulator.
	* simops.c (trace_input_func): exec_bfd renamed to prog_bfd.

Wed Apr 16 16:12:03 1997  Andrew Cagney  <[e-mail]>

	* simops.c (OP_5F00): Only provide system calls SYS_execv,
 	SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
	
Mon Apr  7 15:45:02 1997  Andrew Cagney  <[e-mail]>

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

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.

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.

	* simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
	as trap 0, which will be deprecated.  Only set errno, if an error
	in fact was returned.

Thu Mar 13 12:41:20 1997  Doug Evans  <[e-mail]>

	* interp.c: Delete redundant prototypes of sim_foo fns.
	(sim_open): New SIM_DESC result.  Argument is now in argv form.
	(other sim_*): New SIM_DESC argument.

Thu Mar 13 10:29:04 1997  Michael Meissner  <[e-mail]>

	* simops.c (trace_{input,output}_func): Call flush_stdout from the
	callback functions.
	(OP_5F00): Ditto.
	(OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
	(OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
	setting the carry bit after an add or a subtract.

Wed Feb 12 16:04:15 1997  Michael Meissner  <[e-mail]>

	* simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
	40 bits of accumulators.  Sign/zero extend as appropriate.

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.

Thu Jan 23 11:46:23 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.