[tb-developers] Finding out what JavaScript file and function is invoking C++ function from the gdb stacktrace

[ISHIKAWA,chiaki]

Hi,

I would like to find out what JavaScript function (and in which file)
is reading startup.properties file.
See
https://bugzilla.mozilla.org/show_bug.cgi?id=1943506

I can get the stacktrace where the file is opened using gdb, but
the stacktrace only shows the JS interpreter and related functions and
I am not familiar with them to figure out the JavaScript file and function.

I looked into my .gdbinit file and found some references to old
DumpJSStack(), etc. But I am not sure if they are current or not.
Well, it seems it is related to Java and not to JavaScript.

Any tips will be appreciated.

TIA

Chiaki

[Emilio Cobos Álvarez]

DumpJSStack is the right thing to do, just:

call DumpJSStack()

From gdb, and it should print the JS caller to stderr.

 -- Emilio

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