changelog

这个是LINUX下的GDB调度工具的源码

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

	* armemu.c: Rename ui_loop_hook to deprecated_ui_loop_hook.

2003-12-29  Mark Mitchell  <[e-mail]>

	* armos.c (fcntl.h): Do not include it.
	(O_RDONLY): Do not define.
	(O_WRONLY): Likewise.
	(O_RDWR): Likewise.
	(targ-vals.h): Include it.
	(translate_open_mode): Use TARGET_O_* instead of O_*.
	(SWIopen): Likewise.
	* Makefile.in (armos.o): Depend on targ-vals.h.

2003-04-13  Nick Clifton  <[e-mail]>

	* armvirt.c (GetWord): Only call XScale_check_memacc if in XScale
	mode.
	(PutWord): Likewise.

2003-03-30  Nick Clifton  <[e-mail]>

	* configure.in (CON_FLAGS): Remove.
	(COPRO): Unconditionally include iwmmxt.o.
	* configure: Regenerate.
	* Makefile.in (CON_FLAGS): Remove.
	* armcopro.c: Remove use of __IWMMXT__ flag.
	* wrapper.c: Likewise.
	* armemu.c: Likewise.
	Add explanatory comment for suppressed code.

2003-03-27  Nick Clifton  <[e-mail]>

	* armos.c (ARMul_OsHandleSWI): Catch SWIs for unhandled vectors.

2003-03-27  Nick Clifton  <[e-mail]>

	* configure.in: (CON_FLAGS): Define and intialise.
	(COPRO): Add iwmmxt.o if configuring for XScale.
	* configure: Regenerate.
	* Makefile.in (iwmmxt.o): Add rule to build.
	(COM_FLAGS): Define.
	(ALL_FLAGS): Add CON_FLAGS.
	* armcopro.c (ARMul_CoProInit): Initialise iWMMXt coprocessors.
	* armdefs.h (struct ARMul_State): Add 'is_iWMMXt' field.
	(ARM_iWMMXt_Prop): Define.
	* armemu.c (ARMul_Emulate16): Intercept iWMMXt instructions and
	pass to coprocessor.
	* arminit.c (ARMul_NewState): Initialise 'is_iWMMXt'.
	(ARMul_Abort): Catch branches through uninitialised vectors.
	* armos.c (softevtorcode): Update comment.
	(ARMul_OsInit): Use ARMUndefinedInstrV.
	* wrapper.c (sim_create_inferior): Handle iWMMXt processor type.
	(sim_store_register): Handle iWMMXt registers.
	(sim_fetch_register): Handle iWMMXt registers.
	* iwmmxt.h: New file. Exported iWMMXt coprocessor emulator
	functions.
	* iwmmxt.c: New file: iWMMXt emulator.

2003-03-20  Nick Clifton  <[e-mail]>

	* Contribute support for Cirrus Maverick ARM co-processor,
        written by Aldy Hernandez  <[e-mail]> and
        Andrew Cagney  <[e-mail]>:

	* maverick.c: New file: Support for Maverick floating point
	co-processor. 
        * Makefile.in: Add maverick.o target.
        * configure.in (COPRO): Add maverick.o.
        * configure: Regenerate.
        * armcopro.c (ARMul_CoProInit): Only initialise co-processors
	available on target processor.  Add code to initialse Maverick
	co-processor support code.
        * armdefs.h (ARMul_state): Add is_ep9312 field.
        (ARM_ep9312_Prop): Define.
        * armemu.h: Add prototypes for Maverick co-processor
	functions.
        * arminit.c (ARMul_SelectProcessor): Initialise the
	co-processor support once the chip has been selected.
        * wrapper.c: Add support for Maverick co-processor.
        (init): Do not call ARMul_CoProInit.  Delays this until the
	chip has been selected.

2003-03-02  Nick Clifton  <[e-mail]>

	* armos.c (SWIWrite0): Catch big-endian bug when printing
	characters.

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

	* wrapper.c (sim_create_inferior, sim_open): Rename _bfd to bfd.
	
2003-01-10  Ben Elliston  <[e-mail]>

	* README.Cygnus: Rename from this ..
	* README: .. to this.

2002-09-27  Andrew Cagney  <[e-mail]>

	* wrapper.c (sim_open): Add support for -m<mem-size>.
	(mem_size): Reduce to 2MB.
	Fix PR gdb/433.

2002-08-15  Nick Clifton  <[e-mail]>

	* armos.c (ARMul_OSHandleSWI): Catch and ignore SWIs of -1, they
	can be caused by an interrupted system call being resumed by GDB.

2002-07-05  Nick Clifton  <[e-mail]>

	* armemu.c (ARMul_Emulate32): Add more tests for valid MIA, MIAPH
	and MIAxy instructions.
	
2002-06-21  Nick Clifton  <[e-mail]>

	* armos.h (ADP_Stopped_RunTimeError): Set correct value.

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

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

2002-06-12  Andrew Cagney  <[e-mail]>

	* Makefile.in: Update copyright.
	(wrapper.o): Specify dependencies.
	* wrapper.c: Include "gdb/sim-arm.h".
	(sim_store_register, sim_fetch_register): Rewrite using `enum
	arm_sim_regs' and a switch.

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

	* wrapper.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
	* armos.c: Include "gdb/callback.h".

2002-05-29  Nick Clifton  <[e-mail]>

	* armcopro.c (XScale_check_memacc): Set the FSR and FAR registers
	if a Data Abort is detected.

2002-05-27  Nick Clifton  <[e-mail]>

	* armvirt.c (GetWord): Only perform access checks if 'check'
	is set.
	(PutWord): Likewise.
	* wrapper.c (sim_create_inferior): Report unknown machine
	numbers.
	* thumbemu.c (ARMul_ThumbDecode, Case 31): Do not set LR to pc +
	2, it has already been advanced.

2002-05-23  Nick Clifton  <[e-mail]>

	* thumbemu.c (ARMul_ThumbDecode): When decoding a BLX(1)
	instruction do not add in the second bit of the base address -
	this has already been accounted for.

2002-05-21  Nick Clifton  <[e-mail]>

	* armcopro.c (check_cp13_access): Allow access to register 1 when
	CRm is 1.
	(write_cp13_reg): Allow bit 0 of reg 1 of CRm 1 to be written to.

2002-05-17  Nick Clifton  <[e-mail]>

	* Makefile.in (SIM_TARGET_SWITCHES): Define.
	* armos.c (swi_mask): Define.  Initialise to supporting all
	SWI emulations.
	(ARMul_OSInit): For XScale targets, only support the ANGEL
	SWI interface.  (This is at the request if Intel).
	(ARMul_OSHandleSWI): Examine swi_mask to see if a particular
        SWI call should be emulated.
	Do not fall through from AngelSWI_Reason_WriteC.
	Propagate exit code from RedBoot Exit SWI.
	* rdi-dgb.h (swi_mask): Prototype.
	(SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.
	* wrapper.c (sim_target_parse_command_line): New function.
	Look for and handle --swi-support switch.
	(sim_target_parse_arg_array): New function.  Process an argv
	array for parsing by sim_target_parse_command_line.
	(sim_target_display_usage): New function.  Describe syntax of
	--swi-suppoort switch.
	(sim_open): Add call to sim_target_parse_arg_array).

2002-05-09  Nick Clifton  <[e-mail]>

	* armos.c (ARMul_OSHandleSWI): Support the RedBoot SWI in ARM
	mode and some of its system calls.

2002-03-17  Anthony Green  <[e-mail]>

	* wrapper.c (mem_size): Increase the default target memory to 8MB.

2002-02-21  Keith Seitz  <[e-mail]>

	* armos.c (SWIWrite0): Use generic host_callback mechanism
	for supported OS functions "open", "close", "write", etc.
	(SWIopen): Likewise.
	(SWIread): Likewise.
	(SWIwrite): Likewise.
	(SWIflen): Likewise.
	(ARMul_OSHandleSWI): Likewise.

2002-02-05  Nick Clifton  <[e-mail]>

	* wrapper.c (sim_create_inferior): Modify previous patch so that
	it is only triggered for COFF format executables.

2002-02-04  Nick Clifton  <[e-mail]>

	* wrapper.c (sin_create_inferior): If a v5 architecture is
	detected, assume it might be an XScale binary, since there is no
	way to distinguish between the two in the COFF file format.

2002-01-10  Nick Clifton  <[e-mail]>

	* arminit.c (ARMul_Abort): Fix parameters passed to CPRead[13].
	* armemu.c (ARMul_Emulate32): Fix parameters passed to CPRead[13]
	and CPRead[14].
	Fix formatting.  Improve layout.
	* armemu.h: Fix formatting.  Improve layout.

2002-01-09  Nick Clifton  <[e-mail]>

	* wrapper.c (sim_fetch_register): If fetching more than 4 bytes
	return zeroes in the other words.
	General formatting tidy ups.

2001-11-16  Ben Harris  <[e-mail]>

	* Makefile.in (armemu32.o): Replace $< with autoconf recommended
	$(srcdir)/....
	(armemu26.o): Ditto.

2001-10-18  Nick Clifton  <[e-mail]>

	* armemu.h (CP_ACCESS_ALLOWED): New macro.
	Fix formatting.
	* armcopro.c (read_cp14_reg): Make static.
	(write_cp14_reg): Make static.
	(check_cp13_access): Use CP_ACCESS_ALLOWED macro.
	Fix formatting.
	* armsupp.c (ARMul_LDC): Check CP_ACCESS_ALLOWED.
	(ARMul_STC): Check CP_ACCESS_ALLOWED.
	(ARMul_MCR): Check CP_ACCESS_ALLOWED.
	(ARMul_MRC): Check CP_ACCESS_ALLOWED.
	(ARMul_CDP): Check CP_ACCESS_ALLOWED.
	Fix formatting.
	* armemu.c (MCRR): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not
	equal to 15.
	(MRRC): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not equal to 15.
	Fix formatting.

2001-05-11  Nick Clifton  <[e-mail]>

	* armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD
	instructions with post indexed addressing modes.

2001-05-08  Jens-Christian Lache  <[e-mail]>

	* armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to
	determine rocesor mode.

2001-04-18  matthew green  <[e-mail]>

	* armcopro.c (write_cp15_reg): Set CHANGEMODE if endianness changes.
	(read_cp15_reg): Make non-static.
	(XScale_cp15_LDC): Update for write_cp15_reg() change.
	(XScale_cp15_MCR): Likewise.
	(XScale_cp15_write_reg): Likewise.
	(XScale_check_memacc): New function. Check for breakpoints being
	activated by memory accesses.  Does not support the Branch Target
	Buffer.
	(XScale_set_fsr_far): New function. Set FSR and FAR for XScale.
	(XScale_debug_moe): New function. Set the debug Method Of Entry,
	if configured.
	(write_cp14_reg): Reset count counter if requested.
	* armdefs.h (struct ARMul_State): New members `LastTime' and
	`CP14R0_CCD' used for the timer/counters.
	(ARMul_CP13_R0_FIQ, ARMul_CP13_R0_IRQ, ARMul_CP13_R8_PMUS,
	ARMul_CP14_R0_ENABLE, ARMul_CP14_R0_CLKRST, ARMul_CP14_R0_CCD,
	ARMul_CP14_R0_INTEN0, ARMul_CP14_R0_INTEN1, ARMul_CP14_R0_INTEN2,
	ARMul_CP14_R0_FLAG0, ARMul_CP14_R0_FLAG1, ARMul_CP14_R0_FLAG2,
	ARMul_CP14_R10_MOE_IB, ARMul_CP14_R10_MOE_DB, ARMul_CP14_R10_MOE_BT,
	ARMul_CP15_R1_ENDIAN, ARMul_CP15_R1_ALIGN, ARMul_CP15_R5_X,
	ARMul_CP15_R5_ST_ALIGN, ARMul_CP15_R5_IMPRE, ARMul_CP15_R5_MMU_EXCPT,
	ARMul_CP15_DBCON_M, ARMul_CP15_DBCON_E1, ARMul_CP15_DBCON_E0): New
	defines for XScale registers.
	(XScale_check_memacc, XScale_set_fsr_far, XScale_debug_moe): Prototype.
	(ARMul_Emulate32, ARMul_Emulate26): Clean up function definition.
	(ARMul_Emulate32): Handle the clock counter and hardware instruction
	breakpoints.  Call XScale_set_fsr_far() for software breakpoints and
	software interrupts.
	(LoadMult): Call XScale_set_fsr_far() for data aborts.
	(LoadSMult): Likewise.
	(StoreMult): Likewise.
	(StoreSMult): Likewise.
	* armemu.h (write_cp15_reg): Update prototype.
	* arminit.c (ARMul_NewState): Initialise CP14R0_CCD and LastTime.
	(ARMul_Abort): If XScale, check for FIQ and IRQ being enabled in CP13
	register 0.
	* armvirt.c (GetWord): Call XScale_check_memacc().
	(PutWord): Likewise.

2001-03-20  Nick Clifton  <[e-mail]>

	* armvirt.c (ARMul_ReLoadInstr): Do not enable alignment checking
	when loading unaligned thumb instructions.

2001-03-06  Nick Clifton  <[e-mail]>

	* thumbemu.c (ARMul_ThumbDecode): Delete label bo_blx2.
        Compute destination address of BLX(1) instruction by
        taking bit 1 from PC and not from bit 0 of the offset.        

2001-02-27  Nick Clifton  <[e-mail]>

	* armvirt.c (GetWord): Add new parameter - check - to enable or
	disable the alignment checking.
	(PutWord):  Add new parameter - check - to enable or disable the
	alignment checking.
	(ARMul_ReLoadInstr): Pass extra parameter to GetWord.
	(ARMul_ReadWord): Pass extra parameter to GetWord.
	(ARMul_WriteWord): Pass extra parameter to PutWord.
	(ARMul_StoreHalfWord): Pass extra parameter to PutWord.
	(ARMul_WriteByte): Pass extra parameter to GetWord.
	(ARMul_SwapWord): Pass extra parameter to PutWord.
	(ARMul_SafeReadByte): New Function: Read a byte but do not abort.
	(ARMul_SafeWriteByte): New Function: Write a byte but do not abort.
	
	* armdefs.h: Add prototypes for ARMul_SafeReadByte and
	ARMul_SafeWriteByte.
	
	* wrapper.c (sim_write): Use ARMul_SafeWriteByte.
	(sim_read): Use ARMul_SafeReadByte.

	* armos.c (in_SWI_handler): Remove.
	(SWIWrite0): Use ARMul_SafeReadByte.
	(WriteCommandLineTo): Use ARMul_SafeWriteByte.
	(SWIopen): Use ARMul_SafeReadByte.
	(SWIread): Use ARMul_SafeWriteByte.
	(SWIwrite): Use ARMul_SafeReadByte.
	(ARMul_OSHandleSWI): Remove use of is_SWI_handler.
	(ARMul_OSException): Remove use of is_SWI_handler.
	
2001-02-16  Nick Clifton  <[e-mail]>

	* armemu.c: Remove Prefetch abort for breakpoints.  Instead set
	the state to RESUME.

2001-02-14  Nick Clifton  <[e-mail]>

	* armemu.c: Add code to preserve processor mode when a prefetch
	abort is signalled after processing a breakpoint.

	* wrapper.c (sim_create_inferior): Reset processor into ARM mode
	for any machine type except the early ARMs.

2001-02-13  Nick Clifton  <[e-mail]>

	* armos.c (in_SWI_handler): New static variable.