Commit Graph

174 Commits

Author SHA1 Message Date
Jeff Law 999dd04b89 * breakpoint.h (enum bptype): Add bp_hardware_watchpoint and
bp_watchpoint_scope breakpoints.
	(struct breakpoint): Add val_chain and related_breakpoint fields
	for use by watchpoints.

	* breakpoint.c (within_scope): Delete.  No longer used.
	(TARGET_CAN_USE_HARDWARE_WATCHPOINT): Provide default definition.
	(target_{remove,insert}_watchpoint): Likewise.
	(can_use_hardware_watchpoint): New function.
	(remove_breakpoint): New function to remove a single breakpoint
	or hardware watchpoint.
	(insert_breakpoints): Handle insertion of hardware watchpoints.
	Store a copy of the value chain derived from the watchpoint
	expression.
	(remove_breakpoints): Simplify by using remove_breakpoint.
	(delete_breakpoint): Likewise.
	(watchpoint_check): Delete the watchpoint and watchpoint scope
	breakpoints when the watchpoint goes out of scope.  Save & restore
	the current frame after checking watchpoints.
	(breakpoint_init_inferior): Likewise (restarting the program
	makes all local watchpoints go out of scope).
	(bpstat_stop_status): Handle hardware watchpoints much like normal
	watchpoints. Delete the watchpoint and watchpoint scope breakpoint
	when the watchpoint goes out of scope.  Remove and reinsert all
	breakpoints before returning if we stopped when a hardware watchpoint
	fired.
	(watch_command): Use a hardware watchpoint when possible.  If
	watching a local expression, build a scope breakpoint too.
	(map_breakpoint_numbers): Also call given function for any
	related breakpoints.
	(disable_breakpoint): Never disable a scope breakpoint.
	(enable_breakpoint): Handle hardware breakpoints much like normal
	breakpoints, but recompute the watchpoint_scope breakpoint's
	frame and address  (if we have an associated scope breakpoint).
	(read_memory_nobpt): Handle hardware watchpoints like normal
	watchpoints.  When necessary handle watchpoint_scope breakpoints.
	(print_it_normal, bpstat_what, breakpoint_1, mention): Likewise.
	(clear_command, breakpoint_re_set_one, enable_command): Likewise.
	(disable_command): Likewise.

	* blockframe.c (find_frame_addr_in_frame_chain): New function.
	Extern prototype added to frame.h

	* infrun.c (wait_for_inferior): Set current_frame and select
	a frame before checking if we stopped due to a hardare watchpoint
	firing.  Handle stepping over hardware watchpoints.
	(normal_stop): Remove unnecessary call to select_frame.

	* value.h (value_release_to_mark): Declare.
	* values.c (value_release_to_mark): New function.

	* procfs.c (procfs_wait): Add cases for hardware watchpoints.
	(procfs_set_watchpoint, procfs_stopped_by_watchpoint): New functions.

	* hppab-nat.c (hppa_set_watchpoint): New function.

	* config/pa/nm-hppab.h (STOPPED_BY_WATCHPOINT): Define.
	(HAVE_STEPPABLE_WATCHPOINT): Define.
	(TARGET_CAN_USE_HARDWARE_WATCHPOINT): Define.
	(target_{insert,delete}_watchpoint): Define.
1994-04-13 21:57:00 +00:00
Peter Schauer 9e837b37a4 * blockframe.c (find_pc_partial_function): mst_file_text
symbols do not live in the shared library transfer table.
1994-03-30 10:29:36 +00:00
Peter Schauer 747a632937 * blockframe.c (get_frame_block): Do not adjust pc if the frame
function was interrupted by a signal.
1993-10-08 09:54:32 +00:00
Jim Kingdon 2f1c7c3fd0 * blockframe.c (find_pc_partial_function): If we call
PSYMTAB_TO_SYMTAB, call target_terminal_ours_for_output first.
	This is needed now that wait_for_inferior passes in endaddr.
	* infrun.c: Move call to target_terminal_inferior from proceed
	to resume.
1993-10-07 18:40:39 +00:00
Stu Grossman 981a330933 * blockframe.c (find_pc_partial_function): Fix handling for PCs
beyond the end of the last function in an objfile.
* coff-solib.c (coff_solib_add):  Use BFD to get fields from .lib
section.
* infrun.c (wait_for_inferior):  Modify test for subroutine entry
to include pc out of bounds of the previous function.
* remote.c (remote_wait):  Use strtoul for parsing 'N' message.
Add code to relocate symfile_objfile->sections.
1993-10-07 16:42:08 +00:00
Peter Schauer cef4c2e7a5 Changes to support alpha OSF/1 in native mode.
* alpha-nat.c, alpha-tdep.c, config/alpha/alpha-osf1.mt,
	  config/alpha/nm-alpha.h, config/alpha/tm-alpha.h, osfsolib.c:
	New files.
	* Makefile.in:  Add new files and dependencies.
	* configure.in:  Add alpha target.
	* config/alpha/alpha-osf1.mh (NATDEPFILES):  Add osfsolib.o
	* config/alpha/alpha-osf1.mh (MH_CFLAGS):  Remove, we can handle
	shared libraries now.
	* config/alpha/xm-alpha.h:  Cleanup, get MAKEVA_* defines right.

	* defs.h (CORE_ADDR):  Make its type overridable via CORE_ADDR_TYPE,
	provide `unsigned int' default.
	* breakpoint.c (breakpoint_auto_delete):  Delete only if we really
	stopped for the breakpoint.
	* stabsread.c, stabsread.h (define_symbol):  Change valu parameter
	to a CORE_ADDR.
	* stabsread.c (read_range_type):  Handle the case where the lower
	bound overflows and the upper doesn't and the range is legal.
	* infrun.c (resume):  Do not step a breakpoint instruction if
	CANNOT_STEP_BREAKPOINT is defined.

	* inferior.h (CALL_DUMMY_LOCATION):  New variant AT_ENTRY_POINT.
	Now that we have the bp_call_dummy breakpoint the call dummy code
	is no longer needed. PUSH_DUMMY_FRAME, PUSH_ARGUMENTS and
	FIX_CALL_DUMMY can be used to set up everything for the dummy.
	The breakpoint for the dummy is set at the entry point and thats it.
	* blockframe.c (inside_entry_file, inside_entry_func):  Do not stop
	backtraces if pc is in the call dummy at the entry point.
	* infcmd.c (run_stack_dummy):  Handle AT_ENTRY_POINT case. Use
	the expected breakpoint pc when setting up the frame for
	set_momentary_breakpoint.
	* symfile.c (entry_point_address):  New function for AT_ENTRY_POINT
	support.
	* valops.c (call_function_by_hand):  Handle AT_ENTRY_POINT case.
1993-10-05 19:44:57 +00:00
Jim Kingdon 2289e1c30b * inflow.c (generic_mourn_inferior): Call reinit_frame_cache
instead	of doing it ourself.
	* blockframe.c (reinit_frame_cache): Use code which was in
	generic_mourn_inferior so we can use this function even when
	we have switched targets.
	* corelow.c (core_detach): Call reinit_frame_cache.
	* target.c (target_detach): Don't call generic_mourn_inferior
	(revert yesterday's change, now handled by core_detach).
	* objfiles.c (free_objfile): Detach any core file if we call
	SOLIB_CLEAR.  #include target.h.
1993-09-30 21:42:23 +00:00
Jim Kingdon 479fdd26ee * blockframe.c (block_innermost_frame): Uncomment.
Return NULL if passed NULL.
	* frame.h: Declare it.
	* expression.h (union exp_element): Add field block.
	* parse.c (write_exp_elt_block): New function.
	* expression.h (OP_VAR_VALUE): Now takes additional struct block *.
	* *-exp.y: Write block for OP_VAR_VALUE.
	* eval.c, expprint.c, parse.c: Deal with block for OP_VAR_VALUE.
	* valops.c, value.h (value_of_variable), callers:
	Add second argument, for block.
1993-08-18 19:33:39 +00:00
Peter Schauer d541211d61 * blockframe.c, frame.h (sigtramp_saved_pc): New routine to fetch
the saved pc from sigcontext on the stack for BSD signal handling.
	* config/i386/tm-i386bsd.h (SIGTRAMP_START, SIGTRAMP_END, FRAME_CHAIN,
	FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC, SIGCONTEXT_PC_OFFSET):
	Define to make backtracing through sigtramp work.
	* config/vax/tm-vax.h (SIGTRAMP_START, SIGTRAMP_END, TARGET_UPAGES,
	FRAME_SAVED_PC, SIGCONTEXT_PC_OFFSET):  Ditto.
1993-08-17 08:47:25 +00:00
Jim Kingdon 23a8e2915c * frame.h, blockframe.c, stack.c, a29k-tdep.c,
config/gould/tmp-{pn,np1}.h,
	config/{sparc/tm-sparc.h,pyr/tm-pyr.h,vax/tm-vax.h}: Remove field
	next_frame from struct frame_info.  It has no purpose beyond
	->next->frame and is an artifact from GDB 2.8.
1993-07-07 20:29:56 +00:00
John Gilmore e140f1dab1 Remove tdesc stuff. Remove FRAME_CHAIN_COMBINE from all tm-*.h files,
since it was always defined exactly the same in all of them.
1991-11-18 23:52:12 +00:00
John Gilmore 5259796be2 * blockframe.c (frameless_look_for_prologue): Speed up by
calling SKIP_PROLOGUE_FRAMELESS_P if it's defined.
        * tm-sparc.h (SKIP_PROLOGUE, SKIP_PROLOGUE_FRAMELESS_P):
        Define two variants, one faster.
        * sparc-tdep.c (sparc_frame_chain):  Use target_read_memory
        and return zero, rather than giving an error.
        (setup_arbitrary_frame):  Initialize the PC in the new frame.
        (skip_prologue):  Add a second arg saying whether we're just
        checking for a frameless function or not.
1991-08-14 00:00:25 +00:00
John Gilmore d11c44f1ee Roll in Tiemann changes for gcc -ansi. Fix assorted bugs. See ChangeLog. 1991-05-30 08:52:52 +00:00
Jim Kingdon 2403f49b37 * blockframe.c, frame.h (reinit_frame_cache): New function.
solib.c (solib_add), symfile.c ({,add_}symbol_file_command):
	Use it.
1991-04-24 16:56:40 +00:00
K. Richard Pixley bd5635a1e2 Initial revision 1991-03-28 16:26:26 +00:00
John Gilmore 831c851165 Initial revision 1990-09-05 17:54:31 +00:00
gdb-3.5 7a67dd45ca gdb-3.5 2012-06-03 15:36:32 +01:00
gdb-3.4 1c997a4ae8 gdb-3.4 2012-06-03 15:36:32 +01:00
gdb-3.3 4187119d59 gdb-3.3 2012-06-03 15:36:32 +01:00
gdb-3.1 e91b87a368 gdb-3.1 2012-06-03 15:36:31 +01:00
gdb-2.8.1 bb7592f010 gdb-2.8.1 2012-06-03 15:36:31 +01:00
gdb-2.8 3bf57d2108 gdb-2.8 2012-06-03 15:36:31 +01:00
gdb-2.5.1 632ea0ccc5 gdb-2.5.1 2012-06-03 15:36:30 +01:00
gdb-2.4+.aux.coff 7b4ac7e1ed gdb-2.4+.aux.coff 2012-06-03 15:36:30 +01:00