First, fix a technical problem with the function recurser. The test sets a
watch on local_x at a point where its value is technically undefined. The
test is written assuming that the value is not initially 2, but nothing in the
C standard guarantees that.
Second, augment the existing test for variables in recursive calls to check an
equivalent expression that explicitly sets the scope of the local variable
being tracked.
2012-01-11 Paul Hilfinger <hilfingr@adacore.com>
* gdb.base/watchpoint.c (recurser): Initialize local_x.
(main): Repeat recurser call.
* gdb.base/watchpoint.exp: Check that 'watch recurser::local_x' is
equivalent to 'local_x'.
gdb/
* breakpoint.c (works_in_software_mode_watchpoint): Also return
true for software watchpoints.
gdb/testsuite/
* gdb.base/watchpoint.exp
(test_disable_enable_software_watchpoint): New procedure.
(top level): Run it.
* breakpoint.c (watch_command_1): Get a pointer of the lazy
version of the expression's value, even if reading the value from
memory fails. When creating a -location watchpoint, get the
value's address from the lazy value pointer.
gdb/testsuite/
* gdb.base/watchpoint.exp: Test "watch -location" with an
innacessible location.
* gdb.base/maint.exp: Expect "." prefix.
* gdb.base/nodebug.exp: Expect "." Likewise.
* gdb.base/sepsymtab.exp: Expect "." Likewise.
* gdb.base/watchpoint-cond-gone.exp: Likewise.
* gdb.base/watchpoint.exp: Expect a software watch to be created for
POWER server processors.
value specially.
testsuite/
* gdb.base/watchpoint.exp: Call test_inaccessible_watchpoint
before disabling hardware watchpoints.
(test_inaccessible_watchpoint): Check that hardware watchpoints
are used. Test for watchpoints on a constant address.
2010-06-16 Sergio Durigan Junior <sergiodj@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
* breakpoint.c: Include parser-defs.h.
(watchpoint_exp_is_const): New function.
(watch_command_1): Call watchpoint_exp_is_const to check
if the expression is constant.
gdb/doc/ChangeLog:
2010-06-16 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.texinfo: Include information about the correct use
of addresses in the `watch' command.
gdb/testsuite/ChangeLog:
2010-06-16 Jan Kratochvil <jan.kratochvil@redhat.com>
Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.base/watch-notconst.c: New file.
* gdb.base/watch-notconst.S: New file.
* gdb.base/watch-notconst2.c: New file.
* gdb.base/watch-notconst2.S: New file.
* gdb.base/watch-notconst.exp: New file.
* gdb.base/watchpoint.c (global_ptr_ptr): New variable.
(func4): Add operations on `global_ptr_ptr'.
* gdb.base/watchpoint.exp (test_constant_watchpoint): New
routine to test watchpoints created with a constant expression.
(test_inaccessible_watchpoint): Include tests for watchpoints
created with a constant expression.
Nathan Sidwell <nathan@codesourcery.com>
* breakpoint.c (breakpoint_1): Add filter argument, return number of
breakpoints printed.
(is_hardware_watchpoint): Make argument const.
(is_watchpoint): Ditto.
(is_tracepoint): Merge of tracepoint_type and breakpoint_is_tracepoint,
use it everywhere.
(breakpoints_info): Pass NULL to breakpoint_1.
(maintenance_info_breakpoints): Ditto.
(watchpoints_info): New function.
(tracepoints_info): Use breakpoint_1 filter.
(set_ignore_count): Warn that tracepoint ignore count will be ignored.
(_initialize_breakpoint): Make "info watchpoints" its own command.
* breakpoint.h (is_tracepoint): Rename from breakpoint_is_tracepoint.
* mi/mi-cmd-break.c (mi_cmd_break_commands): Use is_tracepoint.
* gdb.texinfo (Setting Breakpoints): "info watch" no longer a synonym.
(Setting Watchpoints): Update description of "info watch".
(Disabling Breakpoints): Only "info break" lists all.
* gdb.base/completion.exp: Update for new "info watchpoints".
* gdb.base/default.exp: Ditto.
* gdb.base/help.exp: Ditto.
* gdb.base/watchpoint.exp: Ditto.
* gdb.trace/infotrace.exp: Update "info tracpoints" output.
* valarith.c (value_equal_contents): New function.
* value.h (value_equal_contents): Declare.
* breakpoint.c (watchpoint_check): Use value_equal_contents
instead of value_equal.
gdb/testsuite/
* gdb.base/watchpoint.exp (test_watchpoint_in_big_blob): New function.
(top level): Call test_watchpoint_in_big_blob.
* gdb.base/watchpoint.c (buf): Change size to value too big for hardware
watchpoints.
(func3): Write to buf.
(update_watchpoint): Set and clear val_valid. Use
fetch_watchpoint_value. Handle unreadable values on the
value chain. Correct check for user-requested array watchpoints.
(breakpoint_init_inferior): Clear val_valid.
(watchpoint_value_print): New function.
(print_it_typical): Use it. Do not free or clear old_val. Print
watchpoints even if old_val == NULL.
(watchpoint_check): Use fetch_watchpoint_value. Check for values
becoming readable or unreadable.
(watch_command_1): Use fetch_watchpoint_value. Set val_valid.
(do_enable_watchpoint): Likewise.
* breakpoint.h (struct breakpoint): Update comment for val. Add
val_valid.
* NEWS: Mention watchpoints on inaccessible memory.
* gdb.base/watchpoint.c (global_ptr, func4): New.
(main): Call func4.
* gdb.base/watchpoint.exp: Call test_inaccessible_watchpoint.
(test_inaccessible_watchpoint): New.
* gdb.texinfo (Set Watchpoints): Mention watchpoints on
unreadable memory. Delete obsolete SPARClite reference.
* gdb.base/watchpoint.exp (test_stepping): Delete bogus XFAILs
hiding problems with DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET.
Problem identified by Ulrich Weigand.
* gdb.base/a2-run.exp: Use gdb_skip_stdio_test.
* gdb.base/corefile.exp: Expect the message "Program is being
debugged already" when we send the "corefile" command, since
the preceeding gdb_load may have connected gdb to a remote target.
* gdb.base/display.exp: Disable hardware watchpoints if new
board info variable "no_hardware_watchpoints" is true.
Replace single-letter commands with more readable ones.
* gdb.base/recurse.exp (recurse_tests): Disable hardware watchpoints
if new board info variable "no_hardware_watchpoints" is true.
* gdb.base/restore.exp (restore_tests): Call gdb_skip_stdio_tests
to see if stdio (printf) testing is possible.
* gdb.base/watchpoint.exp: Disable hardware watchpoints if new
board info variable "no_hardware_watchpoints" is true. Use new
proc "gdb_skip_stdio_tests" to see if printf tests are possible.
* gdb.base/recurse.exp: Run tests for all targets.
* gdb.base/so-impl-ld.exp: Added wildcard to handle the
gnu-oldld case on ARM.
* gdb.base/watchpoint.exp (test_stepping): Clear xfail
for ARM targets.
