| 0a9d806e | 18-Jan-2025 |
Damjan Jovanovic <damjan@apache.org> |
We cannot use $(SRCDIR)/solenv/src/component.map as a version map
file yet, because it doesn't export RTTI and exception typeinfos.
Generally speaking, .map files have 2 purposes:
(A) to set symbol
We cannot use $(SRCDIR)/solenv/src/component.map as a version map
file yet, because it doesn't export RTTI and exception typeinfos.
Generally speaking, .map files have 2 purposes:
(A) to set symbol visibility (exported / hidden).
(B) to assign symbol versions to symbols.
We already achieve (A) by means of compiler-level annotations,
at least in gbuild (and in some dmake modules too), so we only
need .map files for (B).
dmake also has an AWK script in main/solenv/bin/addsym.awk, which
it uses to add:
_ZTI*; _ZTS*; # weak RTTI symbols for C++ exceptions
to the "global" section in .map files before linking with them.
However we don't need that. Since gbuild already hides unwanted
symbols, and exports everything wanted, once dmake is gone,
we could just use this much simpler .map file:
UDK_3_0_0 {
global:
*;
};
which would assign symbol version, without changing visibility.
For now, just stop using $(SRCDIR)/solenv/src/component.map. It
crashes during chart creation, because it cannot find exception
typeinfos. This means all gbuild modules lack symbol versions
which they used to have with dmake, but we can easily add that
later.
Patch by: me
show more ...
|