gdb/ChangeLog.codito

2006-05-18  Kunal Parmar  <kunal.parmar@codito.com>

	18th May 2006 Release
	* version.in: Change to 6.3_codito_20060518, which is when it is
	scheduled to be released.

2006-05-11  Kunal Parmar  <kunal.parmar@codito.com>

	* arc-tdep.c (a4_scan_prologue): Include function only for A4. 

2006-04-28  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

	* arc-tdep.c (arc_push_dummy_call): Correct handling
	of struct return for the a4 core.  

2006-04-26  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

	* arc-tdep.c (a4_address_to_pointer): New. Converts address
	to pointer for the a4 core.  
	(a4_pointer_to_address): New.  Converts pointers to address
	for the a4 core.  
	(arc_gdbarch_init): Add the above 2 new functions to the 
	gdbarch structure for the A4 core. 

2006-03-29  Kunal Parmar  <kunal.parmar@codito.com>

	* Makefile.in (arc-jtag-ops.o): Add arc-tdep.h to the list of
	dependencies. 
	* arc-jtag-ops.h: Include arc-tdep.h.
	(IS_ARC700): New macro. Return 1 if processor connected is
	ARC700. 
	(IS_ARC600): New macro. Return 1 if processor connected is
	ARC600. 
	(IS_A5): New macro. Return 1 if processor connected is A5. 
	(IS_A4): New macro. Return 1 if processor connected is A4. 
	* arc-jtag-ops.c (ARCProcessor): New global variable. Contains the
	processor type that has been connected.
	(arc_get_architecture): New function. Return the processor type
	that has been connected. Set ``ARCProcessor'' when run the
	first time.
	(arc_jtag_close): Unset ``ARCProcessor''.
	(arc_jtag_open): Remove ifdefs and use above macros instead.
	(arc_jtag_wait): Ditto.
	* arc-jtag.c (arc_update_architecture): Use above macros.

2006-03-13  Kunal Parmar  <kunal.parmar@codito.com>

	* arc-tdep.c (arc_gdbarch_init): Characters are unsigned by
	default. 

2006-03-08  Kunal Parmar  <kunal.parmar@codito.com>

	* arc-jtag-ops.c (arcjtag_retry_count): New variable. Defines the
	number of times a JTAG operation is attempted before returning a
	failure.	
	(arc_jtag_read_core_reg): Use above variable.
	(arc_jtag_write_core_reg): Ditto.
	(arc_jtag_read_aux_reg): Ditto.
	(arc_jtag_write_aux_reg): Ditto.
	(read_mem): Ditto.
	(write_mem): Ditto.
	* arc-jtag.c (_initialize_arc_debug): Add command to set above
	variable. 

2006-03-03  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

	* arc-tdep.c (arc_push_dummy_call): Add support for dummy
	call for the A4 core.  
	(arc_extract_return_value): Enable for A4 core.  
	(arc_store_return_value): Likewise.  
	(arc_return_value): Likewise.  
	(arc_gdbarch_init): Set call_dummy_location to 
	AT_ENTRY_POINT for A4 core.  

	* arc-jtag-tdep.c (arc_jtag_register_reggroup_p): Adding the 
	status register to save/restore group for the A4 core.  

2006-03-03  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

	* arc-tdep.c (printFrameInfo): Print more verbose messages.  
	(printInsnState): Likewise.  
	(a4_scan_prologue): New.  Function to scan the prologue and 
	fill the unwind cache.  
	(arc_skip_prologue): Call a4_scan_prologue for a A4 core.  
	(arc_frame_unwind_cache): Likewise.  
	(arc_dwarf2_frame_init_reg): Defined for A4 core.  
	(arc_unwind_pc): Defined for A4 core.  
	(arc_scan_prologue): Cosmetic change.  
	(arc_frame_this_id): Likewise.  
	(arc_frame_prev_register): Likewise.  
	(arc_next_pc): Likewise.  
	(arc_software_single_step): Likewise.  
	(arc_extract_return_value): Likewise.  
	(arc_store_return_value): Likewise.  
	(arc_return_value): Likewise.  
	(arc_sigtramp_frame_cache): Likewise.  
	(arc_sigtramp_frame_this_id): Likewise.  
	(arc_sigtramp_frame_prev_register): Likewise.
	(arc_sigtramp_frame_cache): Likewise.  
	(arc_sigtramp_frame_sniffer): Likewise.  
	(arc_push_dummy_call): Likewise.  
	(arc_gdbarch_init): Change definition of disassembler to
	arc_get_disassembler for the A4 core.  

	* arc-jtag.h (debug_arc_jtag_target_message): New.  Definition
	moved here.  

	* arc-jtag.c (arc_debug_open): Cosmetic change.  
	(arc_get_hw_regnum_mapping): Setting boundary limit for
	A4 core.  

	* arc-jtag-tdep.c (A4_HALT_VALUE): New. Define Halt 
	value in status register.  
	(a4_jtag_write_pc): Correct handling of write pc.
	(a4_jtag_read_pc): New.  Function to read pc for the 
	a4 core.  
	(arc_jtag_init): Modify tdep gdbarch structure to
	include read_pc.

2006-03-03  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

	* arc-tdep.c (arc_scan_prologue): Disabling temporarily for
	the A4 core.  
	(arc_skip_prologue): Likewise.  
	(arc_frame_unwind_cache): Likewise.  
	(arc_frame_this_id): Likewise.  
	(arc_frame_prev_register): Likewise.  
	(arc_next_pc): Likewise.  
	(arc_software_single_step): Likewise.  
	(arc_dwarf2_frame_init_reg): Likewise.  
	(arc_extract_return_value): Likewise.  
	(arc_store_return_value): Likewise.  
	(arc_return_value): Likewise.  
	(arc_sigtramp_frame_cache): Likewise.  
	(arc_sigtramp_frame_this_id): Likewise.  
	(arc_sigtramp_frame_prev_register): Likewise.  
	(arc_sigtramp_frame_sniffer): Likewise.  
	(arc_push_dummy_call): Likewise.  
	(arc_gdbarch_init): Modify gdbarch structure for A4. 
	(arc_binutils_reg_to_regnum): Add A4 specific conversion of
	register numbers.  

	* arc-jtag.c (arc_debug_open): A4 specific status register
	read.  
	(arc_debug_resume): A4 specific change for status and 
	debug auxillary registers.  
	(arc_debug_insert_breakpoint): Add opcode for the A4 break
	instruction.  
	(arc_debug_remove_breakpoint): Write 4 bytes back for the 
	A4.  
	(arc_print_processor_variant_info): Adding A4 to the list
	of processors.  

	* arc-jtag-tdep.c (a4_jtag_breakpoint_size): New. Defines
	the size of the breakpoint instruction for A4.  
	(a4_jtag_breakpoint_insn): New.  Defines the opcode for 
	the breakpoint instruction for A4.  
	(arc_jtag_register_name): Exclude non A4 registers for
	A4-gdb.  
	(a4_jtag_write_pc): New.  Write value to the program
	counter for A4.  
	(arc_jtag_init): Modify the target dependent part of 
	gdbarch struct for the A4 core.  

	* arc-jtag-ops.c (A4_HALT_VALUE): New. Halt bit set in
	the status auxillary (0x0) register.  
	(ARC700_HALT_VALUE): New.  Halt bit set in status32
	auxillary register.  
	(arc_jtag_read_aux_reg): Add more verbose messages.  
	(arc_jtag_write_aux_reg): Likewise.  
	(arc_jtag_open): Read the status auxillary register
	for the A4 core.  
	(arc_jtag_wait): Likewise.  

2006-03-02  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

	* configure.tgt: Add A4-JTAG target.  
	* config/arc/a4-jtag.mt: New. Makefile fragment for
	new A4-JTAG target.  
	* config/arc/tm-a4-jtag.h: New. Target specific header file 
	for the A4-JTAG target.  

	* arc-tdep.h: Add the A4 to the ARC processor version
	information.  

	* arc-tdep.c (arc_cannot_store_register): Exclude non A4 
	registers for A4-gdb.  
	(arc_next_pc): Likewise.  
	(arc_register_reggroup_p): Likewise.  

	* arc-regnums-defs.h: Exclude non-A4 registers for A4-gdb.  

	* arc-jtag.c (arc_update_architecture): Identify the A4 core.  
	(clear_status32_user_bit): Allow only A4 Registers.  
	(restore_status32_user_bit): Likewise.  
	(arc_debug_open): Not compiling for the A4 core yet.
	(arc_debug_resume): Likewise.  
	(arc_debug_wait): Excluding Arc600 specific part for A4 core.  
	(arc_get_hw_regnum_mapping): Exclude non-A4 registers for
	the A4 core.  
	(arc_debug_fetch_regs): Likewise.  
	(arc_debug_store_regs): Likewise.  
	(init_arc_debug_ops): Modify target_ops for A4 core.  

	* arc-jtag-tdep.c (arc_jtag_register_reggroup_p): Allow only A4 
	Registers.  
	(arc_jtag_print_registers_info): Likewise.  
	(arc_jtag_init): Likewise.  

2006-01-02  Ashwin Pathmudi  <ashwin.pathmudi@codito.com>

        PR 1496
	* dwarf2-frame.c (dwarf2_frame_state_copy_regs): Correct 
	allocated size.  

2005-12-17  Kunal Parmar  <kunal.parmar@codito.com>

	* arc-jtag.c (arc_debug_wait): Reverting to version 1.40

2005-12-16  Kunal Parmar  <kunal.parmar@codito.com>

	* arc-jtag-ops.c (arc_jtag_open): Change the message printed when
	processor is running.
	* arc-jtag.c (arc_debug_wait): Dont assume the program to have
	exited when SH bit is set.

2005-11-08  Kunal Parmar  <kunal.parmar@codito.com>

	8th November Release
	* version.in: Change to 6.3_codito_20051108, which is when it is
	going to be released.

2005-09-28  Kunal Parmar  <kunal.parmar@codito.com>

	Bug #1479
	* arc-jtag-tdep.c (arc_jtag_register_reggroup_p): Remove IDENTITY
	register from save/restore group.

2005-09-27  Kunal Parmar  <kunal.parmar@codito.com>

	Bug #1476
	* arc-jtag.c (arc_debug_xfer_partial): Fix for Bug #1476 (gdb for
	JTAG goes into infinite loop).

2005-09-24  Kunal Parmar  <kunal.parmar@codito.com>

	Bug #1475
	* arc-jtag-ops.c (arc_jtag_read_chunk): Fix for Bug #1475 (printf
	command in gdb for JTAG fails).

2005-09-23  Kunal Parmar  <kunal.parmar@codito.com>

	* arc-jtag.c (arc_debug_xfer_partial): The value being returned
	was incorrect.

2005-09-23  Kunal Parmar  <kunal.parmar@codito.com>

	Bug #1286
	* arc-jtag-ops.c: Fix for Bug #1286 (reading an invalid register
	causes next operation to fail).
	
2005-09-23  Kunal Parmar  <kunal.parmar@codito.com>

	Bug #1272
	* arc-jtag.c (arc_debug_create_inferior): Check if an executable
	file has been handed to us, print an error if none is specified.

2005-07-14  Sameer Dhavale  <sameer.dhavale@codito.com>

        Bug #1381
	* arc-jtag-ops.c (arc_jtag_close): Close file descriptor opened
	for communication with gpio driver.

2005-07-06  Soam Vasani  <soam.vasani@codito.com>

	Bug #1364
	* arc-jtag.c (arc_debug_xfer_partial): Restore the User bit in
	status32.  This fixes bug #1364 (userland debugging: kernel
	panic).

2005-06-28  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_detach): Resume the inferior.

2005-06-28  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_xfer_partial): Clear STATUS32 user bit
	when reading or writing memory (earlier, we only cleared it while
	writing.)

2005-06-25  Soam Vasani  <soam.vasani@codito.com>

	* arc-linux-tdep.c (arc_linux_register_name): Change name of
	stop_pc from "stop_pc" to "pc".
	(arc_linux_print_registers_info): Remove "ret" and add stop_pc.

2005-06-24  Soam Vasani  <soam.vasani@codito.com>

	Bug #1325 (core file support)
	* arc-linux-tdep.c (arcompact_linux_core_reg_offsets): New array.
	offsets of registers in core file's register section, for
	ARCompact.
	(arcompact_linux_supply_gregset): New function.  Get registers
	from core file's register section, for ARCompact.
	(arc_linux_supply_gregset): New function.  Get registers from core
	file register section.
	(arc_linux_gregset): For the gdbarch function.
	(arc_linux_regset_from_core_section): This is called through
	gdbarch.
	* config/arc/linux.mt (TDEPFILES): Add corelow.c to list.

2005-06-21  Soam Vasani  <soam.vasani@codito.com>

	* gdb/arc-jtag.c (arc_update_architecture): Check for A5, print a
	warning but don't give an error.
	* gdb/arc-tdep.h (ARCProcessorVersion): Add A5.

2005-06-20  Soam Vasani  <soam.vasani@codito.com>

	Bug #1311
	* arc-jtag.c (arc_debug_wait): In ARC600, try to detect the case
	of a breakpoint on the last instruction of a ZOL and warn the
	user.
	(arc_debug_read_core_register): New function.  Read a core
	register and check for errors.

2005-06-19  Soam Vasani  <soam.vasani@codito.com>

	Bug #1305
	* dwarf2read.c: Fix for bug #1305 (Failure with Metaware compiled
	binaries)

2005-05-21  Soam Vasani  <soam.vasani@codito.com>

	23rd May Release
	* version.in: Change to 6.3_codito_20050523, which is when it is
	going to be released.

2005-05-21  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_store_regs): Show regno argument in debug
	message.

2005-05-21  Soam Vasani  <soam.vasani@codito.com>

	* Makefile.in (arc-tdep.o): Add observer.h to the list of
	dependencies.

2005-05-21  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag-tdep.c (arc_jtag_register_reggroup_p): Remove extension
	registers from _all_ reggroups, because they do not exist (as of
	now).  Narrow down the list of registers in the save/restore group.

2005-05-21  Sameer Dhavale  <sameer.dhavale@codito.com>

        * arc-jtag-ops.c: Included more header files to remove build time
	warnings
	
2005-05-21  Sameer Dhavale  <sameer.dhavale@codito.com>

        PR arcgdb/1282
	* arc-jtag.c: small changes to remove warnings during compilation.
	* arc-jtag-ops.c(arc_debug_wait): Adding code to block and unblock
	signals so that ctrl+c should work.

2005-05-21  Soam Vasani  <soam.vasani@codito.com>

	21st May 2005 Release.
        * version.in: Bump version to 6.3_codito_20050521

2005-05-21  Soam Vasani  <soam.vasani@codito.com>

	Bug #1278
	* arc-tdep.c (arc_set_main_name): New function.  Set main name to
	_main if necessary.
	(arc_gdbarch_init): Make arc_set_main_name an observer of
	inferior_created.

2005-05-16  Soam Vasani  <soam.vasani@codito.com>

	Bug #1279
	* remote.c (remote_open_1): Call observer_notify_inferior_created.
	
2005-05-16  Soam Vasani  <soam.vasani@codito.com>

	15th May 2005 Release.
        * version.in: Bump version to 6.3.50_cdt_gdb_20050515

2005-05-15  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag-tdep.c (arc_jtag_init): Rename the aux-read command to
	arc-aux-read and aux-write to arc-aux-write.

2005-05-15  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_wait): If the SH (self halt) bit is set,
	assume that the program has exited, with exit code in R0.
	* arc-jtag.h (ARC_DEBUG_REG_SH_BIT): Define.  Self halt bit in the
	debug register.

2005-05-15  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag-ops.c (arc_jtag_open): Correct and conditionalise debug
	printfs.

2005-05-15  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_open): Call target_preopen,
	reopen_exec_file and reread_symbols.

2005-05-13  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag-ops.c (arc_jtag_close): Conditionalize a debug printf.

2005-05-13  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.h (ARC_TARGET_OBJECT_AUXREGS): Define.  For use in
	target_xfer_partial.
	(target_read_aux_reg, target_write_aux_reg): Change to use
	target_xfer_partial.
	* arc-jtag.c (arc_debug_xfer_partial): Support reading/writing of
	auxillary registers, using ARC_TARGET_OBJECT_AUXREGS.
	(init_arc_debug_ops): Stop using to_data (we'll use
	target_xfer_partial for aux registers).
	* arc-jtag-tdep.c (arc_jtag_aux_read_command): New command: read a
	range of aux registers.
	(arc_jtag_aux_write_command): New command: write an aux register.
	(arc_jtag_init): Add the above commands.

2005-05-13  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag-ops.c(check_and_raise_error_if_jtag_closed):New function
	for sanity checks. 
	(arc_jtag_reset_board):Use above.
	(arc_jtag_wait):Likewise.
	(arc_jtag_read_chunk):Likewise.
	(arc_jtag_read_core_reg):Likewise.
	(arc_jtag_write_core_reg):Likewise.
	(arc_jtag_read_aux_reg):Likewise.
	(arc_jtag_write_aux_reg):Likewise.


2005-05-13  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag.c: Rename cmd arc_bcr_registers to arc-bcr-registers.
	Rename arcjtag-debugstatemachine to arcjtag-debug-statemachine 

2005-05-13  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag-ops.h: Rename members to JTAG_OPENED and JTAG_CLOSED.
	* arc-jtag-ops.c(arc_jtag_reset_board): Introduce
	  sanity checks for checking target being opened. 
	  (arc_jtag_open):set status to JTAG_OPENED.  

2005-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-jtag-ops.h: Add new member for reset_board.
	* arc-jtag-ops.c(arc_jtag_reset_board):New function.
	(initialize_arc_jtag_ops):Initialize reset board. 
	* arc-jtag.c: New command arc-reset-board

2005-05-13  Sameer Dhavale <sameer.dhavale@codito.com>

	* arc-jtag.c: Add corrections to code to remove build time
	warnings.
	
2005-05-13  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (clear_status32_user_bit, restore_status32_user_bit):
	New functions: clear/restore the user-mode bit in the status32
	register.
	(set_debug_user_bit): Set the UB bit in the debug register, so
	that breakpoints work in user mode.
	(arc_debug_open, arc_debug_resume): Call set_debug_user_bit.
	(arc_debug_xfer_partial): When writing, go to kernel mode so that
	we are not affected by privileges.
	
2005-05-12  Sameer Dhavale  <sameer.dhavale@codito.com>

        PR arcgdb/1277
	* arc-jtag-ops.c(gpio_write): Add function to write data to
	parallel port.
	(gpio_read): Add function to read from parallel port.
	* gpio.h: New file. Add to support the interface with /dev/gpio.
	
2005-05-12  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* dwarf2-frame.c(execute_cfa_program): Ignore the contents
	for a MW_ARC_info cfa directive. 

2005-05-12  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* dwarf2-frame.c(decode_frame_entry_1):Ignore High C compilers
	augmentation value in the frame entry. 

2005-05-12  Sameer Dhavale <sameer.dhavale@codito.com>

	* arc-jtag-ops.c(arc_jtag_write_aux_reg): Return value on
	successful transaction.
	* arc-jtag-ops.h: Change in prototype of function
	jtag_memory_read().	

2005-05-11  Sameer Dhavale  <sameer.dhavale@codito.com>

	* arc-jtag-ops.c: Remove extra messages introduced by prev commit
	and changing all printf() to printf_filtered().

2005-05-10  Sameer Dhavale  <sameer.dhavale@codito.com>

        PR arcgdb/1275 
	* arc-jtag-ops.h(struct jtag_ops):Change protypes of functions
	jtag_read_core_reg(), jtag_read_aux_reg(), jtag_write_core_reg(),
	jtag_write_aux_reg() to handle errors gracefully.
	* arc-jtag-ops.h(arc_jtag_read_core_reg): Change definition of
	function to return the no of bytes read instead of returning
	value.
	(arc_jtag_write_core_reg): Change definition of function to return
	the no of bytes actually written.
	(arc_jtag_read_aux_reg):  Change definition of
	function to return the no of bytes read instead of returning
	value.
	(arc_jtag_write_aux_reg): Change definition of function to return
	the no of bytes actually written.
	*arc-jtag.c: Change all calls to interface functions to accomodate
	the changes made above and check and handle error gracefully with
	error messages.

2005-05-10  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag.c(arc_update_architecture):Set up decr_pc_after_break
	for ARC600 as 2 and 0 for ARC700.

2005-05-10  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag.h(is_arc700):New Function.
	(is_arc600):New Function.
	* arc-jtag.c(arc_jtag_resume):Single Step Mask 
	is different for both ARC600 and ARC700. Use functions is_arc700
	and is_arc600.

2005-05-10  Ramana Radhakrishnan  <ramana@codito.com>
	    Soam Vasani		  <soam.vasani@codito.com>

	* arc-jtag.c(arc_debug_resume): Invalidate caches
	for single stepping or even while resuming. 

2005-05-10  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag.c(arc_debug_open):Set STATUS32 to 1 
	when opening JTAG .

2005-05-10  Ramana Radhakrishnan  <ramana@codito.com>

	* Makefile.in:Update dependency for arc-jtag-tdep.o
	* ChangeLog.codito: Correct changelog entry. 

2005-05-10  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-jtag-tdep.c: Update copyright notice.
	* arc-tdep.h: Likewise.
	
2005-05-10  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* Makefile.in:Update dependencies for ARC specific files.

2005-05-10  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	*arc-jtag.h: (enum arc_hw_regnums): New enum. 
	(arc-regnum-defs.h):Include.
	(Define and undefine R_AUX and R_BCR)
	* arc-regnum-defs.h: New file. 
	* arc-jtag-ops.h(enum arc700_hw_regnum):Remove. 
	* arc-jtag.c(R):Remove Macro.
	(arc-regnum-defs.h):Include. 
	(RAUX):New macro.
	(RBCR):New macro. 
	(arc_bcr_reg_info):Use above macros.
	(arc_aux_reg_map):Likewise.
	(struct arc_reg_info):Change type to arc_hw_regnum
	(arc_update_architecture):Use ARC_HW_IDENTITY_REGNUM. 
	(invalidateCaches):Use ARC_HW_ICACHE_IVIC
	Use ARC_HW_DCACHE_IVIC to invalidate caches. 
	(disableCaches):Use ARC_HW_ICACHE_CONTROL, 
	ARC_HW_DCACHE_CONTROL to disable caches. 
	(arc_debug_resume):Use ARC_HW_STATUS32_REGNUM. 
	Use ARC_HW_DEBUG_REGNUM.
	

2005-05-10  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-jtag-tdep.c(struct arc_reg_info):New struct. 
	(arc_jtag_register_name):Move BCR registers below all 
	the Auxiliary registers. This is to take care of printing
	Build Configuration Registers and Auxiliary registers in 
	one chunk. 
	Rename BCR Registers to their correct names. 
	(arc_jtag_print_registers_info):Use the all parameter to print
	bcr registers and all the known ARC700 auxiliary registers 
	and Build Configuration Registers.
	* arc-jtag.c:(arc_aux_reg_map):New regmap for Auxiliary registers. 
	(arc_get_hw_regnum_mapping):Use this to create mapping 
	between gdb regnums and hw regnums. 
	(arc_debug_fetch_regs):Use above.
	(arc_debug_store_regs):Use above. 
	* arc-tdep.h:Add processor versions UNSUPPORTED and ARCompact. 
	* config/arc/tm-embed.h:Restructure the AUX Registers
	information to be above the BCRs.
	

2005-05-09  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-jtag.c(arc_jtag_open):Remove call to invalidateCache. 
	(arc_debug_load):Add code to zero out the bss section.

2005-05-09  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-jtag.c(struct arc_reg_info): Correct typo for arc_gdb_regnums.

2005-05-09  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-tdep.h (ARCProcessorVersion):New enum.
	(ARCExtensionsSupportedInformation):New enum.
	(ARCProcessorInformation):New structure to store ARC 
	processor variant information.
	(gdbarch_tdep):Add member of ARCProcessorInformation.
	* arc-jtag-tdep.c (arc_debug_processor_information):Add new
	variable. 
	(arc_jtag_init):Initialize tdep->arc_processor_variant_info. 
	* arc-linux-tdep.c (arc_linux_init_abi):Set ARC processor 
	variant info to NULL.
	* arc-jtag.c (arc_update_architecture):New function Update 
	architecture information. 
	(invalidateCaches):Invalidate Cache.
	(disableCaches):Disable Cache.
	(arc_debug_open):Call enable and invalidate caches and 
	arc_update_architecture. 

2005-05-06  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_wait): Set status waitkind and signal
	value, so that our caller thinks we stopped due to a SIGTRAP.

2005-05-05  Sameer Dhavale  <sameer.dhavale@codito.com>

	PR arcgdb/1271 
	* arc-jtag.c (arc_debug_resume): Add support for hardware single
	instruction stepping. 

2005-05-05  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-jtag.h: Add copyright notice.

2005-05-05  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_read_aux_register,
	arc_debug_write_aux_register): New functions.
	(arc_debug_aux_reg_functions): Struct containing pointers to
	arc_debug_read/write_aux_register.
	(init_arc_debug_ops): Set to_data to arc_debug_aux_reg_functions.
	* arc-jtag.h (target_read_aux_reg, target_write_aux_reg): New
	macros.

2005-05-05  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-jtag-ops.c(AA3SSPinState):New enum for target comms
	to AA3.
	(arc_jtag_read_chunk):Change usage of rw_flag.
	(arc_jtag_write_chunk):Change usage of rw_flag.
	(read_mem):Change usage of rw_flag.
	(write_mem):Change usage of rw_flag to use the new enum.
	(arc_jtag_write_chunk):Formatting cleanups.
	
	

2005-05-05  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-jtag-ops.c:Cleanup. 
	(port_perms_setup): Make static.
	(tapc_set_tms): Likewise.
	(tapc_set_tck): Likewise.
	(tapc_set_tdi): Likewise.
	(clockdelay): Likewise.
	(tapc_pulse): Likewise.
	(tapc_reset): Likewise.
	(tapc_tms): Likewise.
	(tapc_readbit): Likewise.
	(tapc_shiftbit): Likewise.
	(tapc_shiftnbits): Likewise.
	(read_jtag_status_reg): Likewise.
	(print_jtag_status_reg_val): Likewise.
	(write_jtag_reg): Likewise.
	(read_jtag_reg): Likewise.
	(arc_jtag_read_core_reg): Likewise.
	(arc_jtag_write_core_reg): Likewise.
	(arc_jtag_read_aux_reg): Likewise.
	(arc_jtag_write_aux_reg): Likewise.
	(read_mem): Likewise.
	(write_mem): Likewise.
	(arc_jtag_write_chunk): Likewise.
	(arc_jtag_read_chunk): Likewise.
	(arc_jtag_open): Likewise.
	(arc_jtag_close): Likewise.
	(arc_jtag_wait): Likewise.
	(tapc_shift4bits):Remove.
		
2005-05-05  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-jtag-ops.c, arc-jtag-ops.h: Add copyright notice.

2005-05-05  Ramana Radhakrishnan <ramana.radhakrishnan@codito.com>

	* arc-jtag.c:debug_arc_jtag_target_messages New variable. 
	(_initialize_arc_debug):Use above. Add a new boolean command, 
	arcjtag-debug-target to print debug target messages.

2005-05-05  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_open): Print message on success.

2005-05-05  Sameer Dhavale  <sameer.dhavale@codito.com>

        PR arcgdb/1270
	* arc-jtag-ops.c (tapc_pulse): Remove cals to clock delay to
	achieve download speed-up.
	(arc_jtag_read_core_reg): Add a call to tapc_reset() before
	reading any register.
	(arc_jtag_write_core_reg): Add a call to tapc_reset() before
	writing any register. 
	(arc_jtag_read_aux_reg): Add transition to run-test-idle state in
	the wait loop.
	(arc_jtag_read_aux_reg): Add a call to tapc_reset() before reading
	any aux register.
	(arc_jtag_write_chunk): Add a fix to support the writes to memory
	which are not integral multiples of four.
	(arc_jtag_read_chunk): Add a fix to support the reads from memory
	which are not integral multiples of four.
	(_initialize_arc_jtag_ops): Add entries to initialize read/write
	core registers.
	* arc-jtag-tdep.c (arc_jtag_init): Add to initialize
	tdep->sigtramp_p to NULL. This avoids the segmentation fault.
	* arc-jtag.c (arc_debug_open): Disable Dcache and Icache.
	(arc_debug_xfer_partial): Add fix for address alignment.
	(arc_debug_insert_breakpoint): Modify to support ARC700 specific
	breakpoint.
	(arc_debug_remove_breakpoint): Modify to support ARC700 specific
	breakpoint.
	

2005-05-04  Ramana Radhakrishnan  <ramana@codito.com>

	* arc-jtag-ops.c: Correct ioperms error messages. 
	Setup read_core_register correctly.

2005-05-04  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	PR arcgdb/1267
	* arc-jtag-ops.h: Add new enum arc_jtag_status for housekeeping. 
	  (arc_jtag_ops):Add data member to this. 
	* arc-jtag-ops.c: #define printf to printf_filtered when used 
	in gdb. 
	(port_perms_setup):Return error message in case of errors
	(arc_jtag_close):Call tapc_reset only when the JTAG is not 
	already closed. 
	
2005-05-03  Soam Vasani  <soam.vasani@codito.com>

	PR arcgdb/1260
	* arc-tdep.h (struct gdbarch_tdep): Add member lowest_pc, which is
	initialized in the linux or jtag tdep files.  It's meant to stop
	backtraces at the entry point (_start).
	* arc-tdep.c (arc_frame_this_id): Don't set frame_id if 
	func <= lowest_pc.
	* arc-linux-tdep.c (arc_linux_init_abi): Init lowest_pc to 0x74.
	* arc-jtag-tdep.c (arc_jtag_init): Init lowest_pc to 0.
	
2005-05-03  Soam Vasani  <soam.vasani@codito.com>

	* arc-tdep.c (arc_software_single_step): We cannot single-step
	single instruction zero overhead loops and branch-to-self's.  Step
	over them and print a warning.

2005-05-02  Sameer Dhavale <sameer.dhavale@codito.com>

	PR arcgdb/1265
	* arc-jtag-ops.h (arc700_hw_regnums): Add entries to map LP_START
	and LP_END registers.
	* arc-jtag.c (arc_debug_store_regs): Add register mapping from
	gdbarch register numbers to hardware register numbers.
	(arc_debug_fetch_regs): Add register mapping from
	gdbarch register numbers to hardware register numbers.

2005-04-29  Soam Vasani  <soam.vasani@codito.com>

	* arc-tdep.c (arc_gdbarch_init): Move the call of
	set_gdbarch_software_single_step to arc-linux-tdep.c.
	* arc-linux-tdep.c (arc_linux_init_abi): Set gdbarch software
	single step.

2005-04-28  Soam Vasani  <soam.vasani@codito.com>

	* config/arc/tm-embed.h (enum arc700_jtag_regnums): Fix mistakes
	in numbering.

2005-04-28  Soam Vasani  <soam.vasani@codito.com>

	* arc-tdep.c (arc_scan_prologue): Pass stream and fprintf_func to
	init_disassemble_info, to be used in case of a memory error.

2005-04-28  Soam Vasani  <soam.vasani@codito.com>

	* arc-tdep.c (arc_scan_prologue): Handle R27 along with other
	callee-saved registers.

2005-04-27  Soam Vasani  <soam.vasani@codito.com>

	* arc-jtag.c (arc_debug_wait): Setup control-C signal handler.
	(arc_debug_interrupt): New function; handler for SIGINT.
	(arc_debug_interrupt_twice): New function; called when user does
	control-C twice.

2005-04-26  Soam Vasani <soam.vasani@codito.com>

	* arc-tdep.c (arc_register_name): Moved to arc-linux-tdep.c and
	arc-jtag-tdep.c.
	(arc_register_reggroup_p): Save/restore reggroups contain all
	writable registers.
	* arc-tdep.h (arc700_api_regnums): Define ARC_ARGx_REGNUMs and
	ARC_RETURNx_REGNUMs.
	(arc700_regnums): Moved to tm-linux.h and tm-embed.h.
	(gdbarch_tdep): Removed member register_name.
	gdbarch_register_name is now in arc-linux-tdep.c and
	arc-jtag-tdep.c.
	* arc-linux-tdep.c (arc700_linux_regnums): Moved to
	config/arc/tm-linux.h.
	(arc_linux_register_name): Names for all the registers in linux.
	Moved from arc-tdep.c.
	* arc-jtag.h (arc700_jtag_regnums): Moved to
	config/arc/tm-embed.h.
	* arc-jtag-tdep.c (arc_jtag_register_name): Names for all the
	registers.  Moved from arc-tdep.c.
	(arc_jtag_pseudo_register_read, arc_jtag_pseudo_register_write):
	Removed; no pseudo registers when using JTAG.
	* config/arc/tm-embed.h (arc700_jtag_regnums): Define all the
	basecase registers (core as well as aux).  Renamed the
	ARC_*_PSEUDO_REGNUMs to ARC_*_REGNUMs; changed references
	appropriately.
	* config/arc/tm-linux.h (arc700_linux_regnums): Define all the
	registers that linux/ptrace gives.

2005-04-25  Sameer Dhavale  <sameer.dhavale@codito.com>

	* arc-jtag-ops.h: Add
	Previous commit did not actually add the file to cvs.  So adding it
	via this commit. 

2005-04-22  Soam Vasani <soam.vasani@codito.com>

	* arc-linux-tdep.c (arc_linux_skip_solib_resolver): New function;
	skip uClibc's runtime resolver.
	* arc-linux-tdep.c (arc_linux_init_abi): Set gdbarch
	fetch_link_map_offset and skip_solib_resolver.
	* config/arc/linux.mt (TDEPFILES): Remove glibc-tdep, we don't
	need it.

2005-04-20  Sameer Dhavale  <sameer.dhavale@codito.com>

	PR arcgdb/1242
	* arc-jtag-ops.h: Add 
	(jtag_ops): New structure defined.
	* arc-jtag-ops.c: Add
	(port_perms_setup): New function. Add to set desired permissions
	for port access.
	(tapc_set_tms): New function. Add for Setting value to TMS pin of JTAG
	port.
	(tapc_set_tck): New function. Add for setting or resetting TCK pin
	of JTAG port.
	(tapc_set_tdi): New function. Add for sending data into JTAG
	module via TDI input pin.
	(clockdelay): New function. Add to generate required pulse width.
	(tapc_pulse): New function. Add to generate pulse over TCK.
	(tapc_reset): New function. Add to reset the JTAG state machine
	(tapc_tms): New function. Add to set or reset the TMS pin of JTAG
	port.
	(tapc_readbit): New function. Add to read a single bit from TDO
	pin of JTAG port.
	(tapc_shiftbit): New function. Add to shift in one bit through TDI
	and simultaneously shift out bit through TDO.
	(tapc_shiftnbits): New function. Add to shift n bits in either
	LSB-first or MSB-first fashion.
	(read_jtag_status_reg): New function. Add to read the status of
	transaction being requested by JTAG module.
	(write_jtag_reg): New function. Add to write to any internal
	registers of JTAG module.
	(read_jtag_reg): New function. Add to read from any internal
	register of JTAG.
	(read_core_reg): New function. Add to read from any core register
	of ARC700 via JTAG.
	(write_core_reg): New function. Add to write to any core register
	of ARC700 via JTAG.
	(arc_jtag_read_aux_reg): New function. Add to write to any auxillary
	register of ARC700 via JTAG.
	(arc_jtag_write_aux_reg): New function. Add to write to any
	auxillary register of ARC700 via JTAG.
	(read_mem): New function. Add to read 4 bytes from memory.
	(write_mem): New function. Add to write 4 bytes at a specified
	memory location.
	(arc_jtag_write_chunk): New function. Add to write to a stream of
	data starting from the specified memory location. This function
	makes use of speacial feature supported by ARC-JTAG for streaming
	data.
	(arc_jtag_read_chunk): New function. Add to read a stream of
	data starting from the specified memory location. This function
	makes use of speacial feature supported by ARC-JTAG for streaming
	data. 
	(arc_jtag_open): New function. Add to provide target specific open
	function for GDB backend. This function sets port permissions and
	resets JTAG state machine.
	(arc_jtag_close): New function. Add to provide target specific
	close function to GDB backend.
	(arc_jtag_wait): New function. Add to poll the status32 register
	of ARC700 till the processor is halted.
	(_initialize_arc_jtag_ops): New function. Add to initialize
	function pointers for structure arc_jtag_ops.
	* gdb/config/arc/embed.mt (TDEPFILES): Add entry for
	arc-jtag-ops.o
	
2005-04-20  Sameer Dhavale  <sameer.dhavale@codito.com>

	PR arcgdb/1241
	* target.c (target_read_memory_partial): Correct the handling of
	variable err depending on the value returned
	target_xfer_partial().
	(target_write_memory_partial): Correct the handling of
	variable err depending on the value returned
	target_xfer_partial(). 
??? patch sites don't exist any more, need to check for regression.

2005-04-19  Soam Vasani <soam.vasani@codito.com>

	* arc-jtag.h (enum arc700_jtag_regnums): Add debug register.
	* arc-jtag-tdep.c (arc_jtag_register_name): Ditto.

2005-04-19  Soam Vasani <soam.vasani@codito.com>

	* arc-jtag.h: New file, defines arc700_jtag_regnums.

2005-04-19  Soam Vasani <soam.vasani@codito.com>

	* arc-tdep.c (ARC_ILINK1_PSEUDO_REGNUM, ARC_ILINK2_PSEUDO_REGNUM,
	ARC_ERET_PSEUDO_REGNUM, ARC_STATUSL1_PSEUDO_REGNUM,
	ARC_STATUSL2_PSEUDO_REGNUM, ARC_ERSTATUS_PSEUDO_REGNUM): Move to
	arc-tdep.h.
	(arc_pseudo_register_read, arc_pseudo_register_write,
	arc_print_registers_info): Move to arc-linux-tdep.c and
	arc-jtag-tdep.c.
	(arc_register_name): Registers are split into 3 classes: the
	registers common to both linux and jtag; registers available only
	in one of the two targets; and pseudo registers.  Common registers
	and pseudo-registers have their names defined here; for other
	registers, call tdep->register_name.
	(arc_register_reggroup_p): Call tdep->register_reggroup_p, for the
	target-specific registers.
	(arc_sigtramp_frame_prev_register): Use
	tdep->pc_regnum_in_sigcontext rather than ARC_RET_REGNUM directly.
	(arc_gdbarch_init): Do not assume OSABI = Linux.  Instead, get the
	OSABI from the new CONFIG_OSABI macro in tm-<target>.h file.
	Move to arc-linux-tdep.c and arc-jtag-tdep.c: Set
	gdbarch_num_regs, gdbarch_pc_regnum, gdbarch_pseudo_register_read,
	gdbarch_pseudo_register_write, gdbarch_print_registers_info.
	Call CONFIG_INIT_TDEP, which is a macro defined in tm-<target>.h.
	
	* arc-linux-tdep.c: (enum arc700_linux_regnums): Moved here from
	arc-tdep.h, so that arc-tdep.c cannot see them.  Contains the
	registers that linux makes up, but do not actually exist on the
	processor.  Also, change ARC_RET_REGNUM such that it is after all
	the common registers.
	(arc_linux_register_name): Names of the arc700_linux_regnums.
	(arc_linux_pseudo_register_read): Moved from arc-tdep.c.  Here
	we'll use orig_r8 to get the pseudo-registers.
	(arc_linux_pseudo_register_write): Moved from arc-tdep.c.
	(arc_linux_print_registers_info): Moved from arc-tdep.c.  Register
	sets are different for different targets.
	(arc_linux_sc_reg_offset): ARC_RET_REGNUM was changed, so changed
	this appropriately.
	(arc_linux_init_abi): Set tdep->pc_regnum_in_sigcontext to
	ARC_RET_REGNUM (see comment in arc-tdep.h).  Set
	tdep->register_name to arc_linux_register_name.  
	And moved from arc-tdep.c: Set gdbarch_num_regs,
	gdbarch_pc_regnum, gdbarch_pseudo_register_read,
	gdbarch_pseudo_register_write, gdbarch_print_registers_info.
	(arc_linux_register_reggroup_p): Register groups for linux-only
	registers.

	* arc-jtag-tdep.c: New file.  Define the breakpoint intruction,
	register_name, pseudo register read/write, register_reggroup_p,
	and print_registers_info.

	* arc-tdep.h (enum arc700_regnums): Remove linux-only regnums like
	ARC_RET_REGNUMS.
	(ARC_ILINK1_PSEUDO_REGNUM, ARC_ILINK2_PSEUDO_REGNUM,
	ARC_ERET_PSEUDO_REGNUM, ARC_STATUSL1_PSEUDO_REGNUM,
	ARC_STATUSL2_PSEUDO_REGNUM, ARC_ERSTATUS_PSEUDO_REGNUM): Moved
	from arc-tdep.c.  Though the regnums are different across targets
	for these registers, the macros are same because the regnums are
	define in terms of NUM_REGS.
	(struct gdbarch_tdep): New fields: pc_regnum_in_sigcontext,
	register_reggroup_p.

	* config/arc/embed.mt (TDEPFILES): Add arc-jtag-tdep.o to this
	list.	

	* config/arc/tm-embed.h (CONFIG_OSABI, CONFIG_INIT_TDEP): New macros.
	* config/arc/tm-linux.h (CONFIG_OSABI, CONFIG_INIT_TDEP): Ditto.
	
	* gdbserver/linux-arc-low.c (arc_regmap): ARC_RET_REGNUM was
	changed in GDB, change this appropriately.
	* regformats/reg-arc.dat: Ditto.
	
2005-04-12  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-jtag.c: Add copyright, add comments to each of the 
	functions explaining their role. 

2005-04-08  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-tdep.c(arc_print_float_info): New function. 
	  (gdbarch_init):Initialize gdbarch_print_float_info.

2005-04-07  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	PR arcgdb/1198
	* arc-tdep.c(arc_push_dummy_call):Correct handling for
	structures.Move initial assignment of structure address
	above initialization.
	(arc_frame_align): Align frame to natural boundary.

2005-04-06  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	PR arcgdb/1194 
	* arc-tdep.c(arc_push_dummy_call):Correct limit check. The ARC has
	8 parameter registers.
	* arc-tdep.h(enum arc700_regnums):Add ARC_ARG7_REGNUM.

2005-04-04  Sameer Dhavale <sameer.dhavale@codito.com>

	PR arcgdb/1189
	* arc-jtag.c(): Add
	  (struct arc_jtag_ops): New structure. Add to support
	arcjtag target operations.
	  (arc_jtag_open): New function. Add for initializations.
	  (arc_jtag_attach): New function. Add for attaching to already
	  running targets.
	  (arc_jtag_detach): New function. Add for detaching from a
	  target.
	  (arc_jtag_resume): New function. Make the inferior to resume
	  execution.
	  (arc_jtag_wait): New function.
	  (arc_jtag_fetch_regs): New function. Put values in register
	  cache.
	  (arc_jtag_store_regs): New function.
	  (arc_jtag_prepare_to_store): New function.
	  (arc_jtag_xfer_memory): New function.
	  (arc_jtag_files_info): New function.
	  (arc_jtag_insert_breakpoint): New function.
	  (arc_jtag_remove_breakpoint): New function.
	  (arc_jtag_kill): New function.
	  (arc_jtag_load): New function.
	  (arc_jtag_create_inferior): New function.
	  (arc_jtag_mourn_inferior): New function.
	  (arc_jtag_thread_alive): New function.
	  (arc_jtag_stop): New function.
	  (init_arc_jtag_ops): New function. Initialize jtag_target_ops to
	  values appropriate for arcjtag target.
	  (_initialize_arc_jtag): New function. Add a new target to gdb.
	* config/arc/embed.mt: Add change to include arc-jtag.o so that
	new target should be automatically built with arc-elf32.
	 
2005-04-03  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	PR arcgdb/1185
	* arc-tdep.c(arc_write_pc): Remove. 
	  (arc_gdbarch_init): Remove initialization of write_pc.
	* arc-linux-tdep.c(arc700_linux_write_pc): New function . Add
	fix for orig_r8 hack.
	 (arc_linux_init_abi): Set gdbarch_init to arc700_linux_write_pc.

2005-04-03  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	PR arcgdb/1184
	* arc-tdep.h(struct gdbarch_tdep): Add members breakpoint_insn
	and breakpoint_size.
	* arc-tdep.c(arc_breakpoint_from_pc): Return gdbarch_tdep value
	for software bp instructions to be used. 
	* arc-linux-tdep.c(arc_linux_init_abi): Initialize the tdep for 
	arc700_linux_default_breakpoints. 
	  arc700_linux_breakpoint_insn:New breakpoint insn for ARC700
	  linux.
	  arc700_linux_breakpoint_size:New breakpoint size for ARC700 
	  linux.

2005-04-03  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-tdep.c(arc_linux_write_pc):Correct comment for orig_r8.

2005-04-02  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* version.in: should have been 20050401.

2005-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* version.in: Bump up version for release.
	
2005-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
	
	* ChangeLog.codito: Remove more spurious entries.

	PR arcgdb/1175
	* arc-tdep.c(arc_push_dummy_call): New function.
	  (push_stack_item):New function.
	  (pop_stack_item):New function.
	  (arc_add_reggroups_p):Register system_reggroup.
	  (arc_register_reggroup_p):Add orig_r8 to system_reggroup.
	  (arc_linux_write_pc):	Set orig_r8 to -3 to work correctly 
	  dummy frames and signal handlers. Fixes failures in signals.exp.
	  (arc_gdbarch_init):Set dummy call to use arc_push_dummy_call. 
	  Set breakpoint for dummy code at entry point.
	  Register arc_linux_write_pc.
	* ChangeLog.codito: Remove spurious Changelog entry.

2005-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-tdep.h: Add enum arc700_regnums for ARC register types. 



2005-03-30  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	PR arcgdb/1172
	* arc-tdep.c(arc_scan_prologue): Skip over argument save
	registers. 

2005-03-28  Ramana Radhakrishnan  <ramana@codito.com>

<	* arc-tdep.c: Add contribution tag. 
	  (printFrameInfo): Conditionally compile with ARC_DEBUG.
	  (printInsnState): Likewise.
	  (UPDATESTACKSPACE): Correct for variadic args. 
	  (PUSHBLINKFI): Correct for variadic args. 
	  (ISSUBSPFI): Update for mixed code.
	  (arc_scan_prologue): Update prologue description and correct.
	  (arc_scan_prologue): Clean up declarations. 
	  Handle callee saves, Handle 16 bit ARCompact insns.
	

2005-03-21  Soam Vasani  <soam.vasani@codito.com>

	* arc-tdep.c (arc_gdbarch_init): Assume OSABI = Linux for now.
	Call gdbarch_init_osabi.
	* arc-linux-tdep.c (_initialize_arc_linux_tdep): Pass machine = 0
	to gdbarch_register_osabi.

2005-03-20  Soam Vasani <soam.vasani@codito.com>

	PR gdb/1098
	* arc-tdep.c(arc_cannot_store_register): Don't print warning.
	  (arc_register_reggroup_p): Remove read-only registers from 
	  save/restore reggroups.

2005-03-17  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

	* arc-linux-tdep.c:Add copyright notice. 

2005-03-17  Soam Vasani <soam.vasani@codito.com>

	* gdb/arc-tdep.c: Cleanup and remove warnings.
	* gdb/arc-linux-tdep.c: Ditto.

2005-03-17  Soam Vasani <soam.vasani@codito.com>

	* gdb/arc-linux-tdep.c (arc_sigtramp_insn): Defined.
	  (arc_linux_sigtramp_p): Defined: check if PC is in a signal 
	  trampoline.
	  (arc_linux_sigcontext_addr): Defined: return the address of the
	  sigcontext structure.
	  (arc_linux_sc_reg_offset): Defined: mapping from regnum to
	  sigcontext offset.
	  (arc_linux_linux_init_abi): Defined: add stuff to gdbarch->tdep.
	* gdb/arc-tdep.h (ARC_PC_REGNUM): Replaced by ARC_RET_REGNUM.
	* gdb/arc-tdep.c (ARC_PC_REGNUM): Replace all references by either
	  PC_REGNUM or ARC_RET_REGNUM.
	  (arc_unwind_pc): Call the unwinder with PC_REGNUM instead of
	  ARC_RET_REGNUM.  The unwinder will decide what register to give
	  for PC_REGNUM, because PC_REGNUM itself is not a real register.
	  (arc_sigtramp_frame_cache, arc_sigtramp_frame_this_id, 
	  arc_sigtramp_frame_prev_register, arc_sigtramp_frame_unwind,
	  arc_sigtramp_frame_sniffer): Defined.
	  (arc_gdbarch_init): Append arc_sigtramp_frame_sniffer.