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Skip profiling when disabled in stubs with unknown arguments.

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The profiling code normally harmlessly no-ops in this case, but
it can crash when the profiling code hasn't bee initialised.
This commit is contained in:
Daniel Collins 2024-06-27 23:26:17 +01:00
parent f503415a30
commit b4e4480d75
1 changed files with 7 additions and 0 deletions
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7
mkstubs.pl
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@ -271,10 +271,17 @@ END
$func->{name}_go: $func->{name}_go:
; Bypass the profiling code and jump straight into the taget
; function when not profiling.
cmp byte [_stubs_enable_profile], 0
je $func->{name}_skip
; Record that we were called ; Record that we were called
push dword $func->{name}_fstats push dword $func->{name}_fstats
call _fprof_record_untimed call _fprof_record_untimed
$func->{name}_skip:
; Jump into target function. We have left the stack as we found it ; Jump into target function. We have left the stack as we found it
; so it can take over our frame. ; so it can take over our frame.
jmp [$func->{name}_addr] jmp [$func->{name}_addr]