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-rw-r--r--tools/objtool/include/objtool/elf.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h
index 223ac1c24b90..4edc957a6f6b 100644
--- a/tools/objtool/include/objtool/elf.h
+++ b/tools/objtool/include/objtool/elf.h
@@ -77,7 +77,7 @@ struct reloc {
struct elf_hash_node hash;
struct section *sec;
struct symbol *sym;
- struct reloc *sym_next_reloc;
+ unsigned long _sym_next_reloc;
};
struct elf {
@@ -297,6 +297,31 @@ static inline void set_reloc_type(struct elf *elf, struct reloc *reloc, unsigned
mark_sec_changed(elf, reloc->sec, true);
}
+#define RELOC_JUMP_TABLE_BIT 1UL
+
+/* Does reloc mark the beginning of a jump table? */
+static inline bool is_jump_table(struct reloc *reloc)
+{
+ return reloc->_sym_next_reloc & RELOC_JUMP_TABLE_BIT;
+}
+
+static inline void set_jump_table(struct reloc *reloc)
+{
+ reloc->_sym_next_reloc |= RELOC_JUMP_TABLE_BIT;
+}
+
+static inline struct reloc *sym_next_reloc(struct reloc *reloc)
+{
+ return (struct reloc *)(reloc->_sym_next_reloc & ~RELOC_JUMP_TABLE_BIT);
+}
+
+static inline void set_sym_next_reloc(struct reloc *reloc, struct reloc *next)
+{
+ unsigned long bit = reloc->_sym_next_reloc & RELOC_JUMP_TABLE_BIT;
+
+ reloc->_sym_next_reloc = (unsigned long)next | bit;
+}
+
#define for_each_sec(file, sec) \
list_for_each_entry(sec, &file->elf->sections, list)