From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/tools/objtool/arch.h | 75 ++++++++++++++++++++++---------------
1 files changed, 45 insertions(+), 30 deletions(-)
diff --git a/kernel/tools/objtool/arch.h b/kernel/tools/objtool/arch.h
index b0d7dc3..7584029 100644
--- a/kernel/tools/objtool/arch.h
+++ b/kernel/tools/objtool/arch.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ARCH_H
@@ -20,27 +8,34 @@
#include <stdbool.h>
#include <linux/list.h>
-#include "elf.h"
+#include "objtool.h"
#include "cfi.h"
-#define INSN_JUMP_CONDITIONAL 1
-#define INSN_JUMP_UNCONDITIONAL 2
-#define INSN_JUMP_DYNAMIC 3
-#define INSN_CALL 4
-#define INSN_CALL_DYNAMIC 5
-#define INSN_RETURN 6
-#define INSN_CONTEXT_SWITCH 7
-#define INSN_STACK 8
-#define INSN_BUG 9
-#define INSN_NOP 10
-#define INSN_OTHER 11
-#define INSN_LAST INSN_OTHER
+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_OTHER,
+};
enum op_dest_type {
OP_DEST_REG,
OP_DEST_REG_INDIRECT,
OP_DEST_MEM,
OP_DEST_PUSH,
+ OP_DEST_PUSHF,
OP_DEST_LEAVE,
};
@@ -55,6 +50,7 @@
OP_SRC_REG_INDIRECT,
OP_SRC_CONST,
OP_SRC_POP,
+ OP_SRC_POPF,
OP_SRC_ADD,
OP_SRC_AND,
};
@@ -68,15 +64,34 @@
struct stack_op {
struct op_dest dest;
struct op_src src;
+ struct list_head list;
};
-void arch_initial_func_cfi_state(struct cfi_state *state);
+struct instruction;
-int arch_decode_instruction(struct elf *elf, struct section *sec,
+void arch_initial_func_cfi_state(struct cfi_init_state *state);
+
+int arch_decode_instruction(const struct elf *elf, const struct section *sec,
unsigned long offset, unsigned int maxlen,
- unsigned int *len, unsigned char *type,
- unsigned long *immediate, struct stack_op *op);
+ unsigned int *len, enum insn_type *type,
+ unsigned long *immediate,
+ struct list_head *ops_list);
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);
+
#endif /* _ARCH_H */
--
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