https://bugzilla.mozilla.org/show_bug.cgi?id=1286467 has landed, so if
you have the following in your .gdbinit:
add-auto-load-safe-path ~/some/parent/dir/of/where/you/keep/gecko
You're now going to see stuff like the following for a hashtable with
entries:
mRegistrationInfos = nsClassHashtable<nsCStringHashKey,
mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal> = {
["https://www.pokedex.org^userContextId=2";] =
[(mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal *)
0x7f4a6a4a4c80],
["https://googlechrome.github.io";] =
[(mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal *)
0x7f4a57ea0c80],
["https://jakearchibald.github.io";] =
[(mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal *)
0x7f4a4f3f3100],
["https://offline-news-service-worker.herokuapp.com";] =
[(mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal *)
0x7f4a4f7fef00]
}
and for an empty hashtable:
mControlledDocuments = nsRefPtrHashtable<nsISupportsHashKey,
mozilla::dom::workers::ServiceWorkerRegistrationInfo>,
Where you previously saw something like (this is without "set print
pretty on"):
mRegistrationInfos = {<nsBaseHashtable<nsCStringHashKey,
nsAutoPtr<mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal>,
mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal*>> =
{<nsTHashtable<nsBaseHashtableET<nsCStringHashKey,
nsAutoPtr<mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal> > >> = {mTable = {
mOps = 0x7fffecfe9e80 <nsTHashtable<nsBaseHashtableET<nsCStringHashKey,
nsAutoPtr<mozilla::dom::workers::ServiceWorkerManager::RegistrationDataPerPrincipal> >
>::Ops()::sOps>, mHashShift = 29, mEntrySize = 32, mEntryCount = 5, mRemovedCount = 0,
mEntryStore = {
mEntryStore = 0x7fffd51d6200 "", mGeneration = 1}, static
kMaxCapacity = 67108864, static kMinCapacity = 8,
static kMaxInitialLength = 33554432, static kDefaultInitialLength =
4, static kHashBits = 32, static kGoldenRatio = 2654435769,
static kCollisionFlag = 1}}, <No data fields>}, <No data fields>},
I mention this:
- Because if you're already using the pretty printers, the change might
otherwise worry you if it's not immediately obvious what's going on.
- As a reminder that you really want that "add-auto-load-safe-path PATH"
in your .gdbinit because python-powered pretty printers are
alliteratively awesome.
If you would like to help add pretty printers or make the existing
pretty printers more awesome:
- The gecko ones live at:
https://dxr.mozilla.org/mozilla-central/source/python/gdbpp/gdbpp
And get into your gdb session via .gdbinit_python at either the root of
the source tree or the root of your dist/bin tree:
https://dxr.mozilla.org/mozilla-central/source/.gdbinit_python
https://dxr.mozilla.org/mozilla-central/source/build/.gdbinit_python.in
- The SpiderMonkey ones (with tests!) live at:
https://dxr.mozilla.org/mozilla-central/source/js/src/gdb
And get into your gdb session on dynamic load of libxul:
https://dxr.mozilla.org/mozilla-central/source/toolkit/library/libxul.so-gdb.py.in
Andrew
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