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-rw-r--r--bfd/elf-bfd.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 073aee8..46f612a 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -210,6 +210,30 @@ struct elf_link_hash_entry
#define ELF_LINK_DYNAMIC_WEAK 040000
};
+/* Will references to this symbol always reference the symbol
+ in this object? STV_PROTECTED is excluded from the visibility test
+ here so that function pointer comparisons work properly. Since
+ function symbols not defined in an app are set to their .plt entry,
+ it's necessary for shared libs to also reference the .plt even
+ though the symbol is really local to the shared lib. */
+#define SYMBOL_REFERENCES_LOCAL(INFO, H) \
+ ((! (INFO)->shared \
+ || (INFO)->symbolic \
+ || (H)->dynindx == -1 \
+ || ELF_ST_VISIBILITY ((H)->other) == STV_INTERNAL \
+ || ELF_ST_VISIBILITY ((H)->other) == STV_HIDDEN \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0) \
+ && ((H)->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
+
+/* Will _calls_ to this symbol always call the version in this object? */
+#define SYMBOL_CALLS_LOCAL(INFO, H) \
+ ((! (INFO)->shared \
+ || (INFO)->symbolic \
+ || (H)->dynindx == -1 \
+ || ELF_ST_VISIBILITY ((H)->other) != STV_DEFAULT \
+ || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0) \
+ && ((H)->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
+
/* Records local symbols to be emitted in the dynamic symbol table. */
struct elf_link_local_dynamic_entry