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linuxkm/Kbuild: add helper variable EXPORT_SYMBOL to facilitate export attribute control.

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This commit is contained in:
Daniel Pouzzner
2025-11-04 14:00:58 -06:00
parent 9fdcd2e72a
commit 6885573d3d
1 changed files with 3 additions and 2 deletions
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5
linuxkm/Kbuild
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@@ -308,6 +308,7 @@ endif
# auto-generate the exported symbol list, leveraging the WOLFSSL_API visibility tags.
# exclude symbols that don't match wc_* or wolf*.
EXPORT_SYMBOL := EXPORT_SYMBOL_NS_GPL
$(obj)/linuxkm/module_exports.c: $(src)/module_exports.c.template $(WOLFSSL_OBJ_TARGETS) $(obj)/linuxkm/module_hooks.o
@$(RENAME_PIE_TEXT_AND_DATA_SECTIONS)
@cp $< $@ || exit $$?
@@ -321,9 +322,9 @@ $(obj)/linuxkm/module_exports.c: $(src)/module_exports.c.template $(WOLFSSL_OBJ_
$(AWK) '/^ *[0-9]+: / {
if ($$8 !~ /^(wc_|wolf|WOLF|TLSX_)/){next;}
if (($$4 == "FUNC") && ($$5 == "GLOBAL") && ($$6 == "DEFAULT")) {
print "EXPORT_SYMBOL_NS_GPL(" $$8 ", '"$$ns"');";
print "$(EXPORT_SYMBOL)(" $$8 ", '"$$ns"');";
}
}' >> $@ || exit $$?
echo -e "#ifndef NO_CRYPT_TEST\nEXPORT_SYMBOL_NS_GPL(wolfcrypt_test, $${ns});\n#endif" >> $@
echo -e "#ifndef NO_CRYPT_TEST\n$(EXPORT_SYMBOL)(wolfcrypt_test, $${ns});\n#endif" >> $@
clean-files := linuxkm src wolfcrypt