# SPDX-License-Identifier: GPL-2.0-only
arch/x86/lib/inat-tables.c
-objtool
+/objtool
fixdep
INCLUDES := -I$(srctree)/tools/include \
-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
-I$(srctree)/tools/arch/$(SRCARCH)/include \
+ -I$(srctree)/tools/objtool/include \
-I$(srctree)/tools/objtool/arch/$(SRCARCH)/include
WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -Wno-nested-externs
CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
+++ /dev/null
-/* 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.h"
-#include "cfi.h"
-
-#ifdef INSN_USE_ORC
-#include <asm/orc_types.h>
-#endif
-
-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_OTHER,
-};
-
-enum op_dest_type {
- OP_DEST_REG,
- OP_DEST_REG_INDIRECT,
- OP_DEST_MEM,
- OP_DEST_PUSH,
- OP_DEST_PUSHF,
- OP_DEST_LEAVE,
-};
-
-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 op_dest dest;
- struct op_src src;
- struct list_head list;
-};
-
-struct instruction;
-
-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, 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);
-
-int arch_decode_hint_reg(struct instruction *insn, u8 sp_reg);
-
-#endif /* _ARCH_H */
#include "../../../arch/x86/lib/inat.c"
#include "../../../arch/x86/lib/insn.c"
-#include "../../check.h"
-#include "../../elf.h"
-#include "../../arch.h"
-#include "../../warn.h"
#include <asm/orc_types.h>
+#include <objtool/check.h>
+#include <objtool/elf.h>
+#include <objtool/arch.h>
+#include <objtool/warn.h>
static unsigned char op_to_cfi_reg[][2] = {
{CFI_AX, CFI_R8},
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _OBJTOOL_CFI_REGS_H
+#define _OBJTOOL_CFI_REGS_H
+
+#define CFI_AX 0
+#define CFI_DX 1
+#define CFI_CX 2
+#define CFI_BX 3
+#define CFI_SI 4
+#define CFI_DI 5
+#define CFI_BP 6
+#define CFI_SP 7
+#define CFI_R8 8
+#define CFI_R9 9
+#define CFI_R10 10
+#define CFI_R11 11
+#define CFI_R12 12
+#define CFI_R13 13
+#define CFI_R14 14
+#define CFI_R15 15
+#define CFI_RA 16
+#define CFI_NUM_REGS 17
+
+#endif /* _OBJTOOL_CFI_REGS_H */
--- /dev/null
+#ifndef _OBJTOOL_ARCH_ELF
+#define _OBJTOOL_ARCH_ELF
+
+#define R_NONE R_X86_64_NONE
+
+#endif /* _OBJTOOL_ARCH_ELF */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ARCH_ENDIANNESS_H
+#define _ARCH_ENDIANNESS_H
+
+#include <endian.h>
+
+#define __TARGET_BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* _ARCH_ENDIANNESS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _X86_ARCH_SPECIAL_H
+#define _X86_ARCH_SPECIAL_H
+
+#define EX_ENTRY_SIZE 12
+#define EX_ORIG_OFFSET 0
+#define EX_NEW_OFFSET 4
+
+#define JUMP_ENTRY_SIZE 16
+#define JUMP_ORIG_OFFSET 0
+#define JUMP_NEW_OFFSET 4
+
+#define ALT_ENTRY_SIZE 13
+#define ALT_ORIG_OFFSET 0
+#define ALT_NEW_OFFSET 4
+#define ALT_FEATURE_OFFSET 8
+#define ALT_ORIG_LEN_OFFSET 10
+#define ALT_NEW_LEN_OFFSET 11
+
+#endif /* _X86_ARCH_SPECIAL_H */
+++ /dev/null
-#ifndef _OBJTOOL_ARCH_ELF
-#define _OBJTOOL_ARCH_ELF
-
-#define R_NONE R_X86_64_NONE
-
-#endif /* _OBJTOOL_ARCH_ELF */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-#ifndef _ARCH_ENDIANNESS_H
-#define _ARCH_ENDIANNESS_H
-
-#include <endian.h>
-
-#define __TARGET_BYTE_ORDER __LITTLE_ENDIAN
-
-#endif /* _ARCH_ENDIANNESS_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-#ifndef _X86_ARCH_SPECIAL_H
-#define _X86_ARCH_SPECIAL_H
-
-#define EX_ENTRY_SIZE 12
-#define EX_ORIG_OFFSET 0
-#define EX_NEW_OFFSET 4
-
-#define JUMP_ENTRY_SIZE 16
-#define JUMP_ORIG_OFFSET 0
-#define JUMP_NEW_OFFSET 4
-
-#define ALT_ENTRY_SIZE 13
-#define ALT_ORIG_OFFSET 0
-#define ALT_NEW_OFFSET 4
-#define ALT_FEATURE_OFFSET 8
-#define ALT_ORIG_LEN_OFFSET 10
-#define ALT_NEW_LEN_OFFSET 11
-
-#endif /* _X86_ARCH_SPECIAL_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-
-#ifndef _OBJTOOL_CFI_REGS_H
-#define _OBJTOOL_CFI_REGS_H
-
-#define CFI_AX 0
-#define CFI_DX 1
-#define CFI_CX 2
-#define CFI_BX 3
-#define CFI_SI 4
-#define CFI_DI 5
-#define CFI_BP 6
-#define CFI_SP 7
-#define CFI_R8 8
-#define CFI_R9 9
-#define CFI_R10 10
-#define CFI_R11 11
-#define CFI_R12 12
-#define CFI_R13 13
-#define CFI_R14 14
-#define CFI_R15 15
-#define CFI_RA 16
-#define CFI_NUM_REGS 17
-
-#endif /* _OBJTOOL_CFI_REGS_H */
// SPDX-License-Identifier: GPL-2.0-or-later
#include <string.h>
-#include "../../special.h"
-#include "../../builtin.h"
+#include <objtool/special.h>
+#include <objtool/builtin.h>
#define X86_FEATURE_POPCNT (4 * 32 + 23)
#define X86_FEATURE_SMAP (9 * 32 + 20)
#include <subcmd/parse-options.h>
#include <string.h>
-#include "builtin.h"
-#include "objtool.h"
+#include <objtool/builtin.h>
+#include <objtool/objtool.h>
bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
*/
#include <string.h>
-#include "builtin.h"
-#include "objtool.h"
+#include <objtool/builtin.h>
+#include <objtool/objtool.h>
static const char *orc_usage[] = {
"objtool orc generate [<options>] file.o",
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
- */
-#ifndef _BUILTIN_H
-#define _BUILTIN_H
-
-#include <subcmd/parse-options.h>
-
-extern const struct option check_options[];
-extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
-
-extern int cmd_check(int argc, const char **argv);
-extern int cmd_orc(int argc, const char **argv);
-
-#endif /* _BUILTIN_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
- */
-
-#ifndef _OBJTOOL_CFI_H
-#define _OBJTOOL_CFI_H
-
-#include "cfi_regs.h"
-
-#define CFI_UNDEFINED -1
-#define CFI_CFA -2
-#define CFI_SP_INDIRECT -3
-#define CFI_BP_INDIRECT -4
-
-struct cfi_reg {
- int base;
- int offset;
-};
-
-struct cfi_init_state {
- struct cfi_reg regs[CFI_NUM_REGS];
- struct cfi_reg cfa;
-};
-
-struct cfi_state {
- struct cfi_reg regs[CFI_NUM_REGS];
- struct cfi_reg vals[CFI_NUM_REGS];
- struct cfi_reg cfa;
- int stack_size;
- int drap_reg, drap_offset;
- unsigned char type;
- bool bp_scratch;
- bool drap;
- bool end;
-};
-
-#endif /* _OBJTOOL_CFI_H */
#include <string.h>
#include <stdlib.h>
-#include "builtin.h"
-#include "cfi.h"
-#include "arch.h"
-#include "check.h"
-#include "special.h"
-#include "warn.h"
-#include "arch_elf.h"
-#include "endianness.h"
+#include <arch/elf.h>
+#include <objtool/builtin.h>
+#include <objtool/cfi.h>
+#include <objtool/arch.h>
+#include <objtool/check.h>
+#include <objtool/special.h>
+#include <objtool/warn.h>
+#include <objtool/endianness.h>
#include <linux/objtool.h>
#include <linux/hashtable.h>
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
- */
-
-#ifndef _CHECK_H
-#define _CHECK_H
-
-#include <stdbool.h>
-#include "cfi.h"
-#include "arch.h"
-
-struct insn_state {
- struct cfi_state cfi;
- unsigned int uaccess_stack;
- bool uaccess;
- bool df;
- bool noinstr;
- s8 instr;
-};
-
-struct instruction {
- struct list_head list;
- struct hlist_node hash;
- struct list_head static_call_node;
- struct section *sec;
- unsigned long offset;
- unsigned int len;
- enum insn_type type;
- unsigned long immediate;
- bool dead_end, ignore, ignore_alts;
- bool hint;
- bool retpoline_safe;
- s8 instr;
- u8 visited;
- u8 ret_offset;
- int alt_group;
- struct symbol *call_dest;
- struct instruction *jump_dest;
- struct instruction *first_jump_src;
- struct reloc *jump_table;
- struct list_head alts;
- struct symbol *func;
- struct list_head stack_ops;
- struct cfi_state cfi;
-#ifdef INSN_USE_ORC
- struct orc_entry orc;
-#endif
-};
-
-static inline bool is_static_jump(struct instruction *insn)
-{
- return insn->type == INSN_JUMP_CONDITIONAL ||
- insn->type == INSN_JUMP_UNCONDITIONAL;
-}
-
-struct instruction *find_insn(struct objtool_file *file,
- struct section *sec, unsigned long offset);
-
-#define for_each_insn(file, insn) \
- list_for_each_entry(insn, &file->insn_list, list)
-
-#define sec_for_each_insn(file, sec, insn) \
- for (insn = find_insn(file, sec, 0); \
- insn && &insn->list != &file->insn_list && \
- insn->sec == sec; \
- insn = list_next_entry(insn, list))
-
-#endif /* _CHECK_H */
#include <string.h>
#include <unistd.h>
#include <errno.h>
-#include "builtin.h"
+#include <objtool/builtin.h>
-#include "elf.h"
-#include "warn.h"
+#include <objtool/elf.h>
+#include <objtool/warn.h>
#define MAX_NAME_LEN 128
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
- */
-
-#ifndef _OBJTOOL_ELF_H
-#define _OBJTOOL_ELF_H
-
-#include <stdio.h>
-#include <gelf.h>
-#include <linux/list.h>
-#include <linux/hashtable.h>
-#include <linux/rbtree.h>
-#include <linux/jhash.h>
-
-#ifdef LIBELF_USE_DEPRECATED
-# define elf_getshdrnum elf_getshnum
-# define elf_getshdrstrndx elf_getshstrndx
-#endif
-
-/*
- * Fallback for systems without this "read, mmaping if possible" cmd.
- */
-#ifndef ELF_C_READ_MMAP
-#define ELF_C_READ_MMAP ELF_C_READ
-#endif
-
-struct section {
- struct list_head list;
- struct hlist_node hash;
- struct hlist_node name_hash;
- GElf_Shdr sh;
- struct rb_root symbol_tree;
- struct list_head symbol_list;
- struct list_head reloc_list;
- struct section *base, *reloc;
- struct symbol *sym;
- Elf_Data *data;
- char *name;
- int idx;
- unsigned int len;
- bool changed, text, rodata, noinstr;
-};
-
-struct symbol {
- struct list_head list;
- struct rb_node node;
- struct hlist_node hash;
- struct hlist_node name_hash;
- GElf_Sym sym;
- struct section *sec;
- char *name;
- unsigned int idx;
- unsigned char bind, type;
- unsigned long offset;
- unsigned int len;
- struct symbol *pfunc, *cfunc, *alias;
- bool uaccess_safe;
- bool static_call_tramp;
-};
-
-struct reloc {
- struct list_head list;
- struct hlist_node hash;
- union {
- GElf_Rela rela;
- GElf_Rel rel;
- };
- struct section *sec;
- struct symbol *sym;
- unsigned long offset;
- unsigned int type;
- int addend;
- int idx;
- bool jump_table_start;
-};
-
-#define ELF_HASH_BITS 20
-
-struct elf {
- Elf *elf;
- GElf_Ehdr ehdr;
- int fd;
- bool changed;
- char *name;
- struct list_head sections;
- DECLARE_HASHTABLE(symbol_hash, ELF_HASH_BITS);
- DECLARE_HASHTABLE(symbol_name_hash, ELF_HASH_BITS);
- DECLARE_HASHTABLE(section_hash, ELF_HASH_BITS);
- DECLARE_HASHTABLE(section_name_hash, ELF_HASH_BITS);
- DECLARE_HASHTABLE(reloc_hash, ELF_HASH_BITS);
-};
-
-#define OFFSET_STRIDE_BITS 4
-#define OFFSET_STRIDE (1UL << OFFSET_STRIDE_BITS)
-#define OFFSET_STRIDE_MASK (~(OFFSET_STRIDE - 1))
-
-#define for_offset_range(_offset, _start, _end) \
- for (_offset = ((_start) & OFFSET_STRIDE_MASK); \
- _offset >= ((_start) & OFFSET_STRIDE_MASK) && \
- _offset <= ((_end) & OFFSET_STRIDE_MASK); \
- _offset += OFFSET_STRIDE)
-
-static inline u32 sec_offset_hash(struct section *sec, unsigned long offset)
-{
- u32 ol, oh, idx = sec->idx;
-
- offset &= OFFSET_STRIDE_MASK;
-
- ol = offset;
- oh = (offset >> 16) >> 16;
-
- __jhash_mix(ol, oh, idx);
-
- return ol;
-}
-
-static inline u32 reloc_hash(struct reloc *reloc)
-{
- return sec_offset_hash(reloc->sec, reloc->offset);
-}
-
-struct elf *elf_open_read(const char *name, int flags);
-struct section *elf_create_section(struct elf *elf, const char *name, unsigned int sh_flags, size_t entsize, int nr);
-struct section *elf_create_reloc_section(struct elf *elf, struct section *base, int reltype);
-void elf_add_reloc(struct elf *elf, struct reloc *reloc);
-int elf_write_insn(struct elf *elf, struct section *sec,
- unsigned long offset, unsigned int len,
- const char *insn);
-int elf_write_reloc(struct elf *elf, struct reloc *reloc);
-int elf_write(struct elf *elf);
-void elf_close(struct elf *elf);
-
-struct section *find_section_by_name(const struct elf *elf, const char *name);
-struct symbol *find_func_by_offset(struct section *sec, unsigned long offset);
-struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset);
-struct symbol *find_symbol_by_name(const struct elf *elf, const char *name);
-struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset);
-struct reloc *find_reloc_by_dest(const struct elf *elf, struct section *sec, unsigned long offset);
-struct reloc *find_reloc_by_dest_range(const struct elf *elf, struct section *sec,
- unsigned long offset, unsigned int len);
-struct symbol *find_func_containing(struct section *sec, unsigned long offset);
-void insn_to_reloc_sym_addend(struct section *sec, unsigned long offset,
- struct reloc *reloc);
-int elf_rebuild_reloc_section(struct elf *elf, struct section *sec);
-
-#define for_each_sec(file, sec) \
- list_for_each_entry(sec, &file->elf->sections, list)
-
-#endif /* _OBJTOOL_ELF_H */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-#ifndef _OBJTOOL_ENDIANNESS_H
-#define _OBJTOOL_ENDIANNESS_H
-
-#include <linux/kernel.h>
-#include <endian.h>
-#include "arch_endianness.h"
-
-#ifndef __TARGET_BYTE_ORDER
-#error undefined arch __TARGET_BYTE_ORDER
-#endif
-
-#if __BYTE_ORDER != __TARGET_BYTE_ORDER
-#define __NEED_BSWAP 1
-#else
-#define __NEED_BSWAP 0
-#endif
-
-/*
- * Does a byte swap if target endianness doesn't match the host, i.e. cross
- * compilation for little endian on big endian and vice versa.
- * To be used for multi-byte values conversion, which are read from / about
- * to be written to a target native endianness ELF file.
- */
-#define bswap_if_needed(val) \
-({ \
- __typeof__(val) __ret; \
- switch (sizeof(val)) { \
- case 8: __ret = __NEED_BSWAP ? bswap_64(val) : (val); break; \
- case 4: __ret = __NEED_BSWAP ? bswap_32(val) : (val); break; \
- case 2: __ret = __NEED_BSWAP ? bswap_16(val) : (val); break; \
- default: \
- BUILD_BUG(); break; \
- } \
- __ret; \
-})
-
-#endif /* _OBJTOOL_ENDIANNESS_H */
--- /dev/null
+/* 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>
+
+#ifdef INSN_USE_ORC
+#include <asm/orc_types.h>
+#endif
+
+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_OTHER,
+};
+
+enum op_dest_type {
+ OP_DEST_REG,
+ OP_DEST_REG_INDIRECT,
+ OP_DEST_MEM,
+ OP_DEST_PUSH,
+ OP_DEST_PUSHF,
+ OP_DEST_LEAVE,
+};
+
+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 op_dest dest;
+ struct op_src src;
+ struct list_head list;
+};
+
+struct instruction;
+
+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, 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);
+
+int arch_decode_hint_reg(struct instruction *insn, u8 sp_reg);
+
+#endif /* _ARCH_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
+ */
+#ifndef _BUILTIN_H
+#define _BUILTIN_H
+
+#include <subcmd/parse-options.h>
+
+extern const struct option check_options[];
+extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
+
+extern int cmd_check(int argc, const char **argv);
+extern int cmd_orc(int argc, const char **argv);
+
+#endif /* _BUILTIN_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
+ */
+
+#ifndef _OBJTOOL_CFI_H
+#define _OBJTOOL_CFI_H
+
+#include <arch/cfi_regs.h>
+
+#define CFI_UNDEFINED -1
+#define CFI_CFA -2
+#define CFI_SP_INDIRECT -3
+#define CFI_BP_INDIRECT -4
+
+struct cfi_reg {
+ int base;
+ int offset;
+};
+
+struct cfi_init_state {
+ struct cfi_reg regs[CFI_NUM_REGS];
+ struct cfi_reg cfa;
+};
+
+struct cfi_state {
+ struct cfi_reg regs[CFI_NUM_REGS];
+ struct cfi_reg vals[CFI_NUM_REGS];
+ struct cfi_reg cfa;
+ int stack_size;
+ int drap_reg, drap_offset;
+ unsigned char type;
+ bool bp_scratch;
+ bool drap;
+ bool end;
+};
+
+#endif /* _OBJTOOL_CFI_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
+ */
+
+#ifndef _CHECK_H
+#define _CHECK_H
+
+#include <stdbool.h>
+#include <objtool/cfi.h>
+#include <objtool/arch.h>
+
+struct insn_state {
+ struct cfi_state cfi;
+ unsigned int uaccess_stack;
+ bool uaccess;
+ bool df;
+ bool noinstr;
+ s8 instr;
+};
+
+struct instruction {
+ struct list_head list;
+ struct hlist_node hash;
+ struct list_head static_call_node;
+ struct section *sec;
+ unsigned long offset;
+ unsigned int len;
+ enum insn_type type;
+ unsigned long immediate;
+ bool dead_end, ignore, ignore_alts;
+ bool hint;
+ bool retpoline_safe;
+ s8 instr;
+ u8 visited;
+ u8 ret_offset;
+ int alt_group;
+ struct symbol *call_dest;
+ struct instruction *jump_dest;
+ struct instruction *first_jump_src;
+ struct reloc *jump_table;
+ struct list_head alts;
+ struct symbol *func;
+ struct list_head stack_ops;
+ struct cfi_state cfi;
+#ifdef INSN_USE_ORC
+ struct orc_entry orc;
+#endif
+};
+
+static inline bool is_static_jump(struct instruction *insn)
+{
+ return insn->type == INSN_JUMP_CONDITIONAL ||
+ insn->type == INSN_JUMP_UNCONDITIONAL;
+}
+
+struct instruction *find_insn(struct objtool_file *file,
+ struct section *sec, unsigned long offset);
+
+#define for_each_insn(file, insn) \
+ list_for_each_entry(insn, &file->insn_list, list)
+
+#define sec_for_each_insn(file, sec, insn) \
+ for (insn = find_insn(file, sec, 0); \
+ insn && &insn->list != &file->insn_list && \
+ insn->sec == sec; \
+ insn = list_next_entry(insn, list))
+
+#endif /* _CHECK_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
+ */
+
+#ifndef _OBJTOOL_ELF_H
+#define _OBJTOOL_ELF_H
+
+#include <stdio.h>
+#include <gelf.h>
+#include <linux/list.h>
+#include <linux/hashtable.h>
+#include <linux/rbtree.h>
+#include <linux/jhash.h>
+
+#ifdef LIBELF_USE_DEPRECATED
+# define elf_getshdrnum elf_getshnum
+# define elf_getshdrstrndx elf_getshstrndx
+#endif
+
+/*
+ * Fallback for systems without this "read, mmaping if possible" cmd.
+ */
+#ifndef ELF_C_READ_MMAP
+#define ELF_C_READ_MMAP ELF_C_READ
+#endif
+
+struct section {
+ struct list_head list;
+ struct hlist_node hash;
+ struct hlist_node name_hash;
+ GElf_Shdr sh;
+ struct rb_root symbol_tree;
+ struct list_head symbol_list;
+ struct list_head reloc_list;
+ struct section *base, *reloc;
+ struct symbol *sym;
+ Elf_Data *data;
+ char *name;
+ int idx;
+ unsigned int len;
+ bool changed, text, rodata, noinstr;
+};
+
+struct symbol {
+ struct list_head list;
+ struct rb_node node;
+ struct hlist_node hash;
+ struct hlist_node name_hash;
+ GElf_Sym sym;
+ struct section *sec;
+ char *name;
+ unsigned int idx;
+ unsigned char bind, type;
+ unsigned long offset;
+ unsigned int len;
+ struct symbol *pfunc, *cfunc, *alias;
+ bool uaccess_safe;
+ bool static_call_tramp;
+};
+
+struct reloc {
+ struct list_head list;
+ struct hlist_node hash;
+ union {
+ GElf_Rela rela;
+ GElf_Rel rel;
+ };
+ struct section *sec;
+ struct symbol *sym;
+ unsigned long offset;
+ unsigned int type;
+ int addend;
+ int idx;
+ bool jump_table_start;
+};
+
+#define ELF_HASH_BITS 20
+
+struct elf {
+ Elf *elf;
+ GElf_Ehdr ehdr;
+ int fd;
+ bool changed;
+ char *name;
+ struct list_head sections;
+ DECLARE_HASHTABLE(symbol_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(symbol_name_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(section_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(section_name_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(reloc_hash, ELF_HASH_BITS);
+};
+
+#define OFFSET_STRIDE_BITS 4
+#define OFFSET_STRIDE (1UL << OFFSET_STRIDE_BITS)
+#define OFFSET_STRIDE_MASK (~(OFFSET_STRIDE - 1))
+
+#define for_offset_range(_offset, _start, _end) \
+ for (_offset = ((_start) & OFFSET_STRIDE_MASK); \
+ _offset >= ((_start) & OFFSET_STRIDE_MASK) && \
+ _offset <= ((_end) & OFFSET_STRIDE_MASK); \
+ _offset += OFFSET_STRIDE)
+
+static inline u32 sec_offset_hash(struct section *sec, unsigned long offset)
+{
+ u32 ol, oh, idx = sec->idx;
+
+ offset &= OFFSET_STRIDE_MASK;
+
+ ol = offset;
+ oh = (offset >> 16) >> 16;
+
+ __jhash_mix(ol, oh, idx);
+
+ return ol;
+}
+
+static inline u32 reloc_hash(struct reloc *reloc)
+{
+ return sec_offset_hash(reloc->sec, reloc->offset);
+}
+
+struct elf *elf_open_read(const char *name, int flags);
+struct section *elf_create_section(struct elf *elf, const char *name, unsigned int sh_flags, size_t entsize, int nr);
+struct section *elf_create_reloc_section(struct elf *elf, struct section *base, int reltype);
+void elf_add_reloc(struct elf *elf, struct reloc *reloc);
+int elf_write_insn(struct elf *elf, struct section *sec,
+ unsigned long offset, unsigned int len,
+ const char *insn);
+int elf_write_reloc(struct elf *elf, struct reloc *reloc);
+int elf_write(struct elf *elf);
+void elf_close(struct elf *elf);
+
+struct section *find_section_by_name(const struct elf *elf, const char *name);
+struct symbol *find_func_by_offset(struct section *sec, unsigned long offset);
+struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset);
+struct symbol *find_symbol_by_name(const struct elf *elf, const char *name);
+struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset);
+struct reloc *find_reloc_by_dest(const struct elf *elf, struct section *sec, unsigned long offset);
+struct reloc *find_reloc_by_dest_range(const struct elf *elf, struct section *sec,
+ unsigned long offset, unsigned int len);
+struct symbol *find_func_containing(struct section *sec, unsigned long offset);
+void insn_to_reloc_sym_addend(struct section *sec, unsigned long offset,
+ struct reloc *reloc);
+int elf_rebuild_reloc_section(struct elf *elf, struct section *sec);
+
+#define for_each_sec(file, sec) \
+ list_for_each_entry(sec, &file->elf->sections, list)
+
+#endif /* _OBJTOOL_ELF_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _OBJTOOL_ENDIANNESS_H
+#define _OBJTOOL_ENDIANNESS_H
+
+#include <arch/endianness.h>
+#include <linux/kernel.h>
+#include <endian.h>
+
+#ifndef __TARGET_BYTE_ORDER
+#error undefined arch __TARGET_BYTE_ORDER
+#endif
+
+#if __BYTE_ORDER != __TARGET_BYTE_ORDER
+#define __NEED_BSWAP 1
+#else
+#define __NEED_BSWAP 0
+#endif
+
+/*
+ * Does a byte swap if target endianness doesn't match the host, i.e. cross
+ * compilation for little endian on big endian and vice versa.
+ * To be used for multi-byte values conversion, which are read from / about
+ * to be written to a target native endianness ELF file.
+ */
+#define bswap_if_needed(val) \
+({ \
+ __typeof__(val) __ret; \
+ switch (sizeof(val)) { \
+ case 8: __ret = __NEED_BSWAP ? bswap_64(val) : (val); break; \
+ case 4: __ret = __NEED_BSWAP ? bswap_32(val) : (val); break; \
+ case 2: __ret = __NEED_BSWAP ? bswap_16(val) : (val); break; \
+ default: \
+ BUILD_BUG(); break; \
+ } \
+ __ret; \
+})
+
+#endif /* _OBJTOOL_ENDIANNESS_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
+ */
+
+#ifndef _OBJTOOL_H
+#define _OBJTOOL_H
+
+#include <stdbool.h>
+#include <linux/list.h>
+#include <linux/hashtable.h>
+
+#include <objtool/elf.h>
+
+#define __weak __attribute__((weak))
+
+struct objtool_file {
+ struct elf *elf;
+ struct list_head insn_list;
+ DECLARE_HASHTABLE(insn_hash, 20);
+ struct list_head static_call_list;
+ bool ignore_unreachables, c_file, hints, rodata;
+};
+
+struct objtool_file *objtool_open_read(const char *_objname);
+
+int check(struct objtool_file *file);
+int orc_dump(const char *objname);
+int create_orc(struct objtool_file *file);
+int create_orc_sections(struct objtool_file *file);
+
+#endif /* _OBJTOOL_H */
--- /dev/null
+/* 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 */
+};
+
+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 */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
+ */
+
+#ifndef _WARN_H
+#define _WARN_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <objtool/elf.h>
+
+extern const char *objname;
+
+static inline char *offstr(struct section *sec, unsigned long offset)
+{
+ struct symbol *func;
+ char *name, *str;
+ unsigned long name_off;
+
+ func = find_func_containing(sec, offset);
+ if (func) {
+ name = func->name;
+ name_off = offset - func->offset;
+ } else {
+ name = sec->name;
+ name_off = offset;
+ }
+
+ str = malloc(strlen(name) + 20);
+
+ if (func)
+ sprintf(str, "%s()+0x%lx", name, name_off);
+ else
+ sprintf(str, "%s+0x%lx", name, name_off);
+
+ return str;
+}
+
+#define WARN(format, ...) \
+ fprintf(stderr, \
+ "%s: warning: objtool: " format "\n", \
+ objname, ##__VA_ARGS__)
+
+#define WARN_FUNC(format, sec, offset, ...) \
+({ \
+ char *_str = offstr(sec, offset); \
+ WARN("%s: " format, _str, ##__VA_ARGS__); \
+ free(_str); \
+})
+
+#define BT_FUNC(format, insn, ...) \
+({ \
+ struct instruction *_insn = (insn); \
+ char *_str = offstr(_insn->sec, _insn->offset); \
+ WARN(" %s: " format, _str, ##__VA_ARGS__); \
+ free(_str); \
+})
+
+#define WARN_ELF(format, ...) \
+ WARN(format ": %s", ##__VA_ARGS__, elf_errmsg(-1))
+
+#endif /* _WARN_H */
#include <subcmd/pager.h>
#include <linux/kernel.h>
-#include "builtin.h"
-#include "objtool.h"
-#include "warn.h"
+#include <objtool/builtin.h>
+#include <objtool/objtool.h>
+#include <objtool/warn.h>
struct cmd_struct {
const char *name;
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
- */
-
-#ifndef _OBJTOOL_H
-#define _OBJTOOL_H
-
-#include <stdbool.h>
-#include <linux/list.h>
-#include <linux/hashtable.h>
-
-#include "elf.h"
-
-#define __weak __attribute__((weak))
-
-struct objtool_file {
- struct elf *elf;
- struct list_head insn_list;
- DECLARE_HASHTABLE(insn_hash, 20);
- struct list_head static_call_list;
- bool ignore_unreachables, c_file, hints, rodata;
-};
-
-struct objtool_file *objtool_open_read(const char *_objname);
-
-int check(struct objtool_file *file);
-int orc_dump(const char *objname);
-int create_orc(struct objtool_file *file);
-int create_orc_sections(struct objtool_file *file);
-
-#endif /* _OBJTOOL_H */
#include <unistd.h>
#include <linux/objtool.h>
#include <asm/orc_types.h>
-#include "objtool.h"
-#include "warn.h"
-#include "endianness.h"
+#include <objtool/objtool.h>
+#include <objtool/warn.h>
+#include <objtool/endianness.h>
static const char *reg_name(unsigned int reg)
{
#include <linux/objtool.h>
#include <asm/orc_types.h>
-#include "check.h"
-#include "warn.h"
-#include "endianness.h"
+#include <objtool/check.h>
+#include <objtool/warn.h>
+#include <objtool/endianness.h>
int create_orc(struct objtool_file *file)
{
#include <stdlib.h>
#include <string.h>
-#include "builtin.h"
-#include "special.h"
-#include "warn.h"
-#include "arch_special.h"
-#include "endianness.h"
+#include <arch/special.h>
+#include <objtool/builtin.h>
+#include <objtool/special.h>
+#include <objtool/warn.h>
+#include <objtool/endianness.h>
struct special_entry {
const char *sec;
+++ /dev/null
-/* 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 */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
- */
-
-#ifndef _WARN_H
-#define _WARN_H
-
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include "elf.h"
-
-extern const char *objname;
-
-static inline char *offstr(struct section *sec, unsigned long offset)
-{
- struct symbol *func;
- char *name, *str;
- unsigned long name_off;
-
- func = find_func_containing(sec, offset);
- if (func) {
- name = func->name;
- name_off = offset - func->offset;
- } else {
- name = sec->name;
- name_off = offset;
- }
-
- str = malloc(strlen(name) + 20);
-
- if (func)
- sprintf(str, "%s()+0x%lx", name, name_off);
- else
- sprintf(str, "%s+0x%lx", name, name_off);
-
- return str;
-}
-
-#define WARN(format, ...) \
- fprintf(stderr, \
- "%s: warning: objtool: " format "\n", \
- objname, ##__VA_ARGS__)
-
-#define WARN_FUNC(format, sec, offset, ...) \
-({ \
- char *_str = offstr(sec, offset); \
- WARN("%s: " format, _str, ##__VA_ARGS__); \
- free(_str); \
-})
-
-#define BT_FUNC(format, insn, ...) \
-({ \
- struct instruction *_insn = (insn); \
- char *_str = offstr(_insn->sec, _insn->offset); \
- WARN(" %s: " format, _str, ##__VA_ARGS__); \
- free(_str); \
-})
-
-#define WARN_ELF(format, ...) \
- WARN(format ": %s", ##__VA_ARGS__, elf_errmsg(-1))
-
-#endif /* _WARN_H */
#include <stdbool.h>
#include <errno.h>
-#include "objtool.h"
+#include <objtool/objtool.h>
#define UNSUPPORTED(name) \
({ \
projects / platform / kernel / linux-starfive.git / commitdiff