* Adding a condition on a hardware watchpoint based on watchpoint state @ 2023-08-28 11:41 Roger Phillips via Gdb 2023-08-29 10:24 ` Tom de Vries via Gdb 0 siblings, 1 reply; 5+ messages in thread From: Roger Phillips via Gdb @ 2023-08-28 11:41 UTC (permalink / raw) To: gdb Greetings, I want to install a condition on a hardware watchpoint so that only accesses are stopped that increase the value of the variable 1 -> 2 etc. Is this possible? Regards ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Adding a condition on a hardware watchpoint based on watchpoint state 2023-08-28 11:41 Adding a condition on a hardware watchpoint based on watchpoint state Roger Phillips via Gdb @ 2023-08-29 10:24 ` Tom de Vries via Gdb 2023-08-29 11:55 ` Roger Phillips via Gdb 0 siblings, 1 reply; 5+ messages in thread From: Tom de Vries via Gdb @ 2023-08-29 10:24 UTC (permalink / raw) To: Roger Phillips, gdb On 8/28/23 13:41, Roger Phillips via Gdb wrote: > Greetings, > > I want to install a condition on a hardware watchpoint so that only accesses are stopped that increase the value of the variable 1 -> 2 etc. > > Is this possible? > There's an enhancement PR open about this ( https://sourceware.org/bugzilla/show_bug.cgi?id=29480 ). Thanks, - Tom ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Adding a condition on a hardware watchpoint based on watchpoint state 2023-08-29 10:24 ` Tom de Vries via Gdb @ 2023-08-29 11:55 ` Roger Phillips via Gdb 2023-09-01 19:00 ` Philippe Waroquiers via Gdb 0 siblings, 1 reply; 5+ messages in thread From: Roger Phillips via Gdb @ 2023-08-29 11:55 UTC (permalink / raw) To: Tom de Vries, gdb Very well, thank you. Can you imagine if and when this goes into a release? Regards ________________________________ From: Tom de Vries <tdevries@suse.de> Sent: Tuesday, August 29, 2023 10:24 AM To: Roger Phillips <heidegg@hotmail.com>; gdb@sourceware.org <gdb@sourceware.org> Subject: Re: Adding a condition on a hardware watchpoint based on watchpoint state On 8/28/23 13:41, Roger Phillips via Gdb wrote: > Greetings, > > I want to install a condition on a hardware watchpoint so that only accesses are stopped that increase the value of the variable 1 -> 2 etc. > > Is this possible? > There's an enhancement PR open about this ( https://sourceware.org/bugzilla/show_bug.cgi?id=29480 ). Thanks, - Tom ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Adding a condition on a hardware watchpoint based on watchpoint state 2023-08-29 11:55 ` Roger Phillips via Gdb @ 2023-09-01 19:00 ` Philippe Waroquiers via Gdb 2023-09-01 19:57 ` Roger Phillips via Gdb 0 siblings, 1 reply; 5+ messages in thread From: Philippe Waroquiers via Gdb @ 2023-09-01 19:00 UTC (permalink / raw) To: Roger Phillips, Tom de Vries, gdb In the meantime, you should be able to do what you want with command attached to the watch point such as the below that watches the value of a variable i. watch -location i set var $prev = i command $bpnum if $prev < i printf "increase prev %d %d \n", $prev, i set var $prev = i else printf "decrease prev %d %d \n", $prev, i set var $prev = i continue end end On Tue, 2023-08-29 at 11:55 +0000, Roger Phillips via Gdb wrote: > Very well, thank you. Can you imagine if and when this goes into a release? > > Regards > > ________________________________ > From: Tom de Vries <tdevries@suse.de> > Sent: Tuesday, August 29, 2023 10:24 AM > To: Roger Phillips <heidegg@hotmail.com>; gdb@sourceware.org <gdb@sourceware.org> > Subject: Re: Adding a condition on a hardware watchpoint based on watchpoint state > > On 8/28/23 13:41, Roger Phillips via Gdb wrote: > > Greetings, > > > > I want to install a condition on a hardware watchpoint so that only accesses are stopped that increase the value of the variable 1 -> 2 etc. > > > > Is this possible? > > > > There's an enhancement PR open about this ( > https://sourceware.org/bugzilla/show_bug.cgi?id=29480 ). > > Thanks, > - Tom > ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Adding a condition on a hardware watchpoint based on watchpoint state 2023-09-01 19:00 ` Philippe Waroquiers via Gdb @ 2023-09-01 19:57 ` Roger Phillips via Gdb 0 siblings, 0 replies; 5+ messages in thread From: Roger Phillips via Gdb @ 2023-09-01 19:57 UTC (permalink / raw) To: Philippe Waroquiers, Tom de Vries, gdb Thanks will try! ________________________________ From: Philippe Waroquiers <philippe.waroquiers@skynet.be> Sent: Friday, September 1, 2023 7:00 PM To: Roger Phillips <heidegg@hotmail.com>; Tom de Vries <tdevries@suse.de>; gdb@sourceware.org <gdb@sourceware.org> Subject: Re: Adding a condition on a hardware watchpoint based on watchpoint state In the meantime, you should be able to do what you want with command attached to the watch point such as the below that watches the value of a variable i. watch -location i set var $prev = i command $bpnum if $prev < i printf "increase prev %d %d \n", $prev, i set var $prev = i else printf "decrease prev %d %d \n", $prev, i set var $prev = i continue end end On Tue, 2023-08-29 at 11:55 +0000, Roger Phillips via Gdb wrote: > Very well, thank you. Can you imagine if and when this goes into a release? > > Regards > > ________________________________ > From: Tom de Vries <tdevries@suse.de> > Sent: Tuesday, August 29, 2023 10:24 AM > To: Roger Phillips <heidegg@hotmail.com>; gdb@sourceware.org <gdb@sourceware.org> > Subject: Re: Adding a condition on a hardware watchpoint based on watchpoint state > > On 8/28/23 13:41, Roger Phillips via Gdb wrote: > > Greetings, > > > > I want to install a condition on a hardware watchpoint so that only accesses are stopped that increase the value of the variable 1 -> 2 etc. > > > > Is this possible? > > > > There's an enhancement PR open about this ( > https://sourceware.org/bugzilla/show_bug.cgi?id=29480 ). > > Thanks, > - Tom > ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-09-01 19:57 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-08-28 11:41 Adding a condition on a hardware watchpoint based on watchpoint state Roger Phillips via Gdb 2023-08-29 10:24 ` Tom de Vries via Gdb 2023-08-29 11:55 ` Roger Phillips via Gdb 2023-09-01 19:00 ` Philippe Waroquiers via Gdb 2023-09-01 19:57 ` Roger Phillips via Gdb
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