On 22.04.2020 12:47, Martin Storsjö wrote:
The compiler doesn't generate .pdata sections if e.g. building with a
toolchain that defaults to SJLJ exception handling - that's a common
(not the most common, but still occurring) configuration.
Like I already wrote once, this is a catch-all handler for catching
SEH exceptions (like crashes and similar) within the mingw code, if
SEH isn't used for the C++ exception handling mechanism. As far as I
see it, it's a nice-to-have feature for those cases.
How reliably can we detect the condition when if compiler will generate
.pdata sections? If it's something like #ifdef __SEH__, then we could
probably use that to limit use of this code inside mingw32 to relevant
builds. It would solve this problem as well and reduce statically linked
code for users that don't need it. It would behave differently than now
if other compiler is used to build crt and use the app using it, but
such configs are shaky anyway.
Thanks,
Jacek
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