JOB_STACKFRAME_TAGTOP stackframes in context look as follows:
job_RunState.l -> size in bytes of below stackframe
JOB_STACKFRAME_TAGTOP
saved job_RunState.s
size in bytes of above stackframe
size in bytes of below stackframe
JOB_STACKFRAME_TAG
saved tag
pc to resume execution at (after catching goto)
size in bytes of above stackframe
size in bytes of below stackframe
JOB_STACKFRAME_NORMAL
local_variable_N
...
local_variable_1
job_RunState.v -> local_variable_0
compiledFunction for this frame.
programCounter for this frame.
size in bytes of above stackframe
These frames record a location to which nonlocal gotos are allowed. This is just a simplified form of CATCH in which neither an argument block nor a flag is returned.
A full getStackframe[ TAGTOP frame result looks like:
:owner object :kind :tagtop :stack-depth fixnum
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