| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com> |
| */ |
| |
| #ifndef _ARCH_H |
| #define _ARCH_H |
| |
| #include <stdbool.h> |
| #include <linux/list.h> |
| #include <objtool/objtool.h> |
| #include <objtool/cfi.h> |
| |
| enum insn_type { |
| INSN_JUMP_CONDITIONAL, |
| INSN_JUMP_UNCONDITIONAL, |
| INSN_JUMP_DYNAMIC, |
| INSN_JUMP_DYNAMIC_CONDITIONAL, |
| INSN_CALL, |
| INSN_CALL_DYNAMIC, |
| INSN_RETURN, |
| INSN_CONTEXT_SWITCH, |
| INSN_BUG, |
| INSN_NOP, |
| INSN_STAC, |
| INSN_CLAC, |
| INSN_STD, |
| INSN_CLD, |
| INSN_TRAP, |
| INSN_ENDBR, |
| INSN_OTHER, |
| }; |
| |
| enum op_dest_type { |
| OP_DEST_REG, |
| OP_DEST_REG_INDIRECT, |
| OP_DEST_MEM, |
| OP_DEST_PUSH, |
| OP_DEST_PUSHF, |
| }; |
| |
| struct op_dest { |
| enum op_dest_type type; |
| unsigned char reg; |
| int offset; |
| }; |
| |
| enum op_src_type { |
| OP_SRC_REG, |
| OP_SRC_REG_INDIRECT, |
| OP_SRC_CONST, |
| OP_SRC_POP, |
| OP_SRC_POPF, |
| OP_SRC_ADD, |
| OP_SRC_AND, |
| }; |
| |
| struct op_src { |
| enum op_src_type type; |
| unsigned char reg; |
| int offset; |
| }; |
| |
| struct stack_op { |
| struct stack_op *next; |
| struct op_dest dest; |
| struct op_src src; |
| }; |
| |
| struct instruction; |
| |
| int arch_ftrace_match(char *name); |
| |
| void arch_initial_func_cfi_state(struct cfi_init_state *state); |
| |
| int arch_decode_instruction(struct objtool_file *file, const struct section *sec, |
| unsigned long offset, unsigned int maxlen, |
| struct instruction *insn); |
| |
| bool arch_callee_saved_reg(unsigned char reg); |
| |
| unsigned long arch_jump_destination(struct instruction *insn); |
| |
| unsigned long arch_dest_reloc_offset(int addend); |
| |
| const char *arch_nop_insn(int len); |
| const char *arch_ret_insn(int len); |
| |
| int arch_decode_hint_reg(u8 sp_reg, int *base); |
| |
| bool arch_is_retpoline(struct symbol *sym); |
| bool arch_is_rethunk(struct symbol *sym); |
| bool arch_is_embedded_insn(struct symbol *sym); |
| |
| int arch_rewrite_retpolines(struct objtool_file *file); |
| |
| bool arch_pc_relative_reloc(struct reloc *reloc); |
| |
| #endif /* _ARCH_H */ |