diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/objtool/include/objtool/special.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/objtool/include/objtool/special.h b/tools/objtool/include/objtool/special.h new file mode 100644 index 000000000000..dc4721e19002 --- /dev/null +++ b/tools/objtool/include/objtool/special.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com> + */ + +#ifndef _SPECIAL_H +#define _SPECIAL_H + +#include <stdbool.h> +#include <objtool/check.h> +#include <objtool/elf.h> + +#define C_JUMP_TABLE_SECTION ".rodata..c_jump_table" + +struct special_alt { + struct list_head list; + + bool group; + bool skip_orig; + bool skip_alt; + bool jump_or_nop; + + struct section *orig_sec; + unsigned long orig_off; + + struct section *new_sec; + unsigned long new_off; + + unsigned int orig_len, new_len; /* group only */ + u8 key_addend; +}; + +int special_get_alts(struct elf *elf, struct list_head *alts); + +void arch_handle_alternative(unsigned short feature, struct special_alt *alt); + +bool arch_support_alt_relocation(struct special_alt *special_alt, + struct instruction *insn, + struct reloc *reloc); +struct reloc *arch_find_switch_table(struct objtool_file *file, + struct instruction *insn); +#endif /* _SPECIAL_H */ |