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, sim_open)
	(sim_create_inferior): Rename _bfd to bfd.

2003-02-26  Andrew Cagney  <[e-mail]>

	* am33.igen: Call sim_engine_abort instead of abort.

2003-02-26  David Carlton  <[e-mail]>

	* dv-mn103tim.c (read_special_timer6_reg): Add break after
	empty default: label.
	(write_special_timer6_reg): Ditto.
	Update copyright.

2002-11-28  Andrew Cagney  <[e-mail]>

	* sim-main.h: Only include "idecode.h" once.
	* Makefile.in (SIM_EXTRA_DEPS): Define.

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.
	* mn10300_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
	* tconfig.in: Ditto.

2001-05-06  Jim Blandy  <[e-mail]>

	* mn10300.igen: Doc fixes.
	
2001-04-26  Alexandre Oliva  <[e-mail]>

	* Makefile.in (idecode.o, op_utils.o, semantics.o, simops.o):
	Depend on targ-vals.h.

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

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

Wed Aug  9 02:24:53 2000  Graham Stott  <[e-mail]>

	* am33.igen: Warning clean-up.
	(movm): Initialize PC and mask.
	(mov, movbu, movhu): Set srcreg2 from RI0.
	(bsch): Initialize c.
	(sat16_cmp): Actually do the comparison.
	(mov_llt): Do not overwrite dstreg with uninitialized variable.

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

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

2000-05-22  Alexandre Oliva  <[e-mail]>

	* am33.igen: Fix leading comments of SP-relative offset insns that
	referred to other registers.  Make their offsets unsigned.

2000-05-18  Alexandre Oliva  <[e-mail]>

	* mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr,
	genericXor, genericBtst): Use `unsigned32'.
	* op_utils.c: Likewise.
	* mn10300.igen, am33.igen: Use `unsigned32', `signed32',
	`unsigned64' or `signed64' where type width is relevant.

2000-04-25  Alexandre Oliva  <[e-mail]>

	* am33.igen (inc4 Rn): Use genericAdd so as to modify flags.

2000-04-09  Alexandre Oliva  <[e-mail]>

	* am33.igen: Make SP-relative offsets unsigned.  Add `*am33' for
	some instructions that were missing it.

2000-03-03  Alexandre Oliva  <[e-mail]>

	* Makefile.in (IGEN_INSN): Added am33.igen.

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

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

Tue Jul 13 13:26:20 1999  Andrew Cagney  <[e-mail]>

	* interp.c: Clarify error message reporting an unknown board.

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

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	
1999-04-16  Frank Ch. Eigler  <[e-mail]>

	* interp.c (program_interrupt): Detect undesired recursion using
 	static flag.  Set NMIRC register's SYSEF flag during
 	--board=stdeval1 mode.
	* dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
	set SYSEF flag.

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

	* Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
	for use in the simulator so that the poll_quit callback is
	not called too often.

Tue Mar  9 21:26:41 1999  Andrew Cagney  <[e-mail]>

	* dv-mn103int.c (mn103int_ioctl): Return something.
	* dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
 	within ||.

Tue Feb 16 23:57:17 1999  Jeffrey A Law  ([e-mail])

	* mn10300.igen (retf): Fix return address computation and store
	the new pc value into nia.

1998-12-29  Frank Ch. Eigler  <[e-mail]>

	* Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
	* interp.c (sim_open): Add stub mn103002 cache control memory regions.
	Set OPERATING_ENVIRONMENT on "stdeval1" board.
	(mn10300_core_signal): New function to intercept memory errors.
	(program_interrupt): New function to dispatch to exception vector
	(mn10300_exception_*): New functions to snapshot pre/post exception
	state.
	* sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
	(SIM_ENGINE_HALT_HOOK): Do nothing. 
	(SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
	(_sim_cpu): Add exc_* fields to store register value snapshots.	
	* dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
	Various endianness and warning fixes.
	* mn10300.igen (illegal): Call program_interrupt on error.
	(break): Call program_interrupt on breakpoint
	
	Several changes from <[e-mail]> and <[e-mail]>
	merged in:
	* dv-mn103int.c (mn103int_ioctl): New function for NMI
	generation. (mn103int_finish): Install it as ioctl handler.
	* dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
	
Wed Oct 14 12:11:05 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Allow autoincrement stores using the same register
	for source and destination operands.

Mon Aug 31 10:19:55 1998  Jeffrey A Law  ([e-mail])

        * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".

Fri Aug 28 14:40:49 1998  Joyce Janczyn  <[e-mail]>

	* interp.c (sim_open): Check for invalid --board option, fix
	indentation, allocate memory for mem control and DMA regs.

Wed Aug 26 09:29:38 1998  Joyce Janczyn  <[e-mail]>

	* mn10300.igen (div,divu): Fix divide instructions so divide by 0
	behaves like the hardware.

Mon Aug 24 11:50:09 1998  Joyce Janczyn  <[e-mail]>

	* sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.

Wed Aug 12 12:36:07 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Handle case where first DSP operation modifies a 
	register used in the second DSP operation correctly.

Tue Jul 28 10:10:25 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Detect cases where two operands must not match for
	DSP instructions too.

Mon Jul 27 12:04:17 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Detect cases where two operands must not match in
	non-DSP instructions.

Fri Jul 24 18:15:21 1998  Joyce Janczyn  <[e-mail]>

	* op_utils.c (do_syscall): Rewrite to use common/syscall.c.
	(syscall_read_mem, syscall_write_mem): New functions for syscall
	callbacks.
	* mn10300_sim.h: Add prototypes for syscall_read_mem and
	syscall_write_mem. 
	* mn10300.igen: Change C++ style comments to C style comments.
	Check for divide by zero in div and divu ops.

Fri Jul 24 12:49:28 1998  Jeffrey A Law  ([e-mail])

	* am33.igen (translate_xreg): New function.  Use it as needed.

Thu Jul 23 10:05:28 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Add some missing instructions.

	* am33.igen: Autoincrement loads/store fixes.

Tue Jul 21 09:48:14 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Add mov_lCC DSP instructions.

	* am33.igen: Add most am33 DSP instructions.

Thu Jul  9 10:06:55 1998  Jeffrey A Law  ([e-mail])

	* mn10300.igen: Fix Z bit for addc and subc instructions.
	Minor fixes in multiply/divide patterns.

	* am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
	handling for many instructions.  Fix sign extension for some
	24bit immediates.

	* am33.igen: Fix Z bit for remaining addc/subc instructions.
	Do not sign extend immediate for mov imm,XRn.
	More random mul, mac & div fixes.
	Remove some unused variables.
	Sign extend 24bit displacement in memory addresses.

	* am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
	fixes to 2 register multiply, divide and mac instructions.  Set
	Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
	and sub instructions.

	* am33.igen: Add remaining non-DSP instructions.

Wed Jul  8 16:29:12 1998  Jeffrey A Law  ([e-mail])

	* am33.igen (translate_rreg): New function.  Use it as appropriate.

	* am33.igen: More am33 instructions.  Fix "div".

Mon Jul  6 15:39:22 1998  Jeffrey A Law  ([e-mail])

	* mn10300.igen: Add am33 support.

	* Makefile.in: Use multi-sim to support both a mn10300 and am33
	simulator.

	* am33.igen: Add many more am33 instructions.

Wed Jul  1 17:07:09 1998  Jeffrey A Law  ([e-mail])

	* mn10300_sim.h (FETCH24): Define.

	* mn10300_sim.h: Add defines for some registers found on the AM33.
	* am33.igen: New file with some am33 support.

Tue Jun 30 11:23:20 1998  Jeffrey A Law  ([e-mail])

	* mn10300_sim.h: Include bfd.h
	(struct state): Add more room for processor specific registers.
	(REG_E0): Define.

Thu Jun 25 10:12:03 1998  Joyce Janczyn  <[e-mail]>

	* dv-mn103tim.c: Include sim-assert.h
	* dv-mn103ser.c (do_polling_event): Check for incoming data on
	serial line and schedule next polling event.
	(read_status_reg): schedule events to check for incoming data on
	serial line and issue interrupt if necessary.
	
Fri Jun 19 16:47:27 1998  Joyce Janczyn  <[e-mail]>

	* interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).

Fri Jun 19 11:59:26 1998  Joyce Janczyn  <[e-mail]>

	* interp.c (board): Rename am32 to stdeval1 as this is the name
	consistently used to refer to the mn1030002 board.

Thu June 18 14:37:14 1998  Joyce Janczyn  <[e-mail]>
	* interp.c (sim_open): Fix typo in address of EXTMD register
	(0x34000280, not 0x3400280).

Wed Jun 17 18:00:18 1998  Jeffrey A Law  ([e-mail])

	* simops.c (syscall): Handle change in opcode # for syscall.
	* mn10300.igen (syscall): Likewise.

Tue June 16 09:36:21 1998  Joyce Janczyn  <[e-mail]>
	* dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
	reset) are not enabled on reset.
	
Sun June 14 17:04:00 1998  Joyce Janczyn  <[e-mail]>
	* dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
	register bits.
	* dv-mn103ser.c: Fill in methods for reading and writing to serial
	device registers.
	* interp.c (sim_open): Make the serial device a polling device.
	
Fri June 12 16:24:00 1998  Joyce Janczyn  <[e-mail]>
	* dv-mn103iop.c: New file for handling am32 io ports.
	* configure.in: Add mn103iop to hw_device list.
	* configure: Re-generate.
	* interp.c (sim_open): Create io port device.

Wed June 10 14:34:00 1998  Joyce Janczyn  <[e-mail]>
	* dv-mn103int.c (external_group): Use enumerated types to access
	correct group addresses.
	* dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
	triggers an interrupt on the higher-numbered timer's port.

Mon June 8 13:30:00 1998  Joyce Janczyn  <[e-mail]>
	* interp.c: (mn10300_option_handler): New function parses arguments
	using sim-options.
	* (board): Add --board option for specifying am32.
	* (sim_open): Create new timer and serial devices and control
	configuration of other am32 devices via board option.
	* dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
	* dv-mn103cpu.c: Fix typos in opening comments.
	* dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
	* configure.in: Add mn103tim and mn103ser to hw_device list.
	* configure: Re-generate.

Mon May 25 20:50:35 1998  Andrew Cagney  <[e-mail]>

	* dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.

	* dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 	sim-main.h. Declare a struct hw_descriptor instead of struct
 	hw_device_descriptor.

Mon May 25 17:33:33 1998  Andrew Cagney  <[e-mail]>

	* dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 	to struct hw_event.

Fri May 22 12:17:41 1998  Andrew Cagney  <[e-mail]>

	* configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".

Wed May  6 13:29:06 1998  Andrew Cagney  <[e-mail]>