2012-01-27 Pedro Alves <palves@redhat.com>
* gdb.base/watchpoint.exp (test_no_hw_watchpoints): New, factored out from the top level. (top level): Call it instead.
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@ -1,3 +1,9 @@
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2012-01-27 Pedro Alves <palves@redhat.com>
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* gdb.base/watchpoint.exp (test_no_hw_watchpoints): New, factored
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out from the top level.
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(top level): Call it instead.
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2012-01-27 Pedro Alves <palves@redhat.com>
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* gdb.base/watchpoint.exp (top level): Re-enable hardware
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@ -765,7 +765,45 @@ proc test_inaccessible_watchpoint {} {
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gdb_test_no_output "delete \$global_ptr_ptr_breakpoint_number"
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}
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}
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proc test_no_hw_watchpoints {} {
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maybe_clean_restart
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# Verify that a user can force GDB to use "slow" watchpoints.
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# (This proves rather little on kernels that don't support
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# fast watchpoints, but still...)
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#
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if ![runto_main] then { fail "watch tests suppressed" }
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gdb_test_no_output "set can-use-hw-watchpoints 0" "disable fast watches"
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gdb_test "show can-use-hw-watchpoints" \
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"Debugger's willingness to use watchpoint hardware is 0." \
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"show disable fast watches"
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gdb_test "watch ival3 if count > 1" \
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"Watchpoint \[0-9\]*: ival3.*" \
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"set slow conditional watch"
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gdb_test "continue" \
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"Watchpoint \[0-9\]*: ival3.*Old value = 1.*New value = 2.*" \
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"trigger slow conditional watch"
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gdb_test_no_output "delete \$bpnum" "delete watch ival3"
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# We've explicitly disabled hardware watches. Verify that GDB
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# refrains from using them.
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#
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gdb_test "rwatch ival3" \
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"Expression cannot be implemented with read/access watchpoint..*" \
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"rwatch disallowed when can-set-hw-watchpoints cleared"
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# Re-enable hardware watchpoints if necessary.
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if ![target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 1" ""
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}
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}
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proc test_watchpoint_in_big_blob {} {
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global gdb_prompt
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@ -844,41 +882,7 @@ if [initialize] then {
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test_inaccessible_watchpoint
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maybe_clean_restart
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# Verify that a user can force GDB to use "slow" watchpoints.
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# (This proves rather little on kernels that don't support
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# fast watchpoints, but still...)
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#
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if ![runto_main] then { fail "watch tests suppressed" }
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gdb_test_no_output "set can-use-hw-watchpoints 0" "disable fast watches"
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gdb_test "show can-use-hw-watchpoints" \
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"Debugger's willingness to use watchpoint hardware is 0." \
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"show disable fast watches"
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gdb_test "watch ival3 if count > 1" \
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"Watchpoint \[0-9\]*: ival3.*" \
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"set slow conditional watch"
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gdb_test "continue" \
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"Watchpoint \[0-9\]*: ival3.*Old value = 1.*New value = 2.*" \
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"trigger slow conditional watch"
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gdb_test_no_output "delete \$bpnum" "delete watch ival3"
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# We've explicitly disabled hardware watches. Verify that GDB
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# refrains from using them.
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#
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gdb_test "rwatch ival3" \
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"Expression cannot be implemented with read/access watchpoint..*" \
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"rwatch disallowed when can-set-hw-watchpoints cleared"
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# Re-enable hardware watchpoints if necessary.
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if ![target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 1" ""
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}
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test_no_hw_watchpoints
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test_watchpoint_and_breakpoint
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