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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/objtool/special.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/objtool/special.h')
-rw-r--r-- | tools/objtool/special.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/objtool/special.h b/tools/objtool/special.h new file mode 100644 index 000000000..abddf38ef --- /dev/null +++ b/tools/objtool/special.h @@ -0,0 +1,41 @@ +/* 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 "check.h" +#include "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 */ +}; + +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 */ |