5 files changed, 24 insertions, 3 deletions
diff --git a/tools/objtool/include/objtool/arch.h b/tools/objtool/include/objtool/arch.h
index beb2f3aa94ff..fe2ea4b892c3 100644
--- a/tools/objtool/include/objtool/arch.h
+++ b/tools/objtool/include/objtool/arch.h
@@ -93,4 +93,6 @@ bool arch_is_rethunk(struct symbol *sym);
 
 int arch_rewrite_retpolines(struct objtool_file *file);
 
+bool arch_pc_relative_reloc(struct reloc *reloc);
+
 #endif /* _ARCH_H */
diff --git a/tools/objtool/include/objtool/builtin.h b/tools/objtool/include/objtool/builtin.h
index 42a52f1a0add..c44ff39df80c 100644
--- a/tools/objtool/include/objtool/builtin.h
+++ b/tools/objtool/include/objtool/builtin.h
@@ -14,6 +14,7 @@ struct opts {
 	bool dump_orc;
 	bool hack_jump_label;
 	bool hack_noinstr;
+	bool hack_skylake;
 	bool ibt;
 	bool mcount;
 	bool noinstr;
@@ -25,6 +26,8 @@ struct opts {
 	bool stackval;
 	bool static_call;
 	bool uaccess;
+	int prefix;
+	bool cfi;
 
 	/* options: */
 	bool backtrace;
diff --git a/tools/objtool/include/objtool/check.h b/tools/objtool/include/objtool/check.h
index 036129cebeee..acd7fae59348 100644
--- a/tools/objtool/include/objtool/check.h
+++ b/tools/objtool/include/objtool/check.h
@@ -67,11 +67,21 @@ struct instruction {
 	struct reloc *jump_table;
 	struct reloc *reloc;
 	struct list_head alts;
-	struct symbol *func;
+	struct symbol *sym;
 	struct list_head stack_ops;
 	struct cfi_state *cfi;
 };
 
+static inline struct symbol *insn_func(struct instruction *insn)
+{
+	struct symbol *sym = insn->sym;
+
+	if (sym && sym->type != STT_FUNC)
+		sym = NULL;
+
+	return sym;
+}
+
 #define VISITED_BRANCH		0x01
 #define VISITED_BRANCH_UACCESS	0x02
 #define VISITED_BRANCH_MASK	0x03
diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h
index 16f4067b82ae..bca719b2104b 100644
--- a/tools/objtool/include/objtool/elf.h
+++ b/tools/objtool/include/objtool/elf.h
@@ -30,7 +30,7 @@ struct section {
 	struct hlist_node hash;
 	struct hlist_node name_hash;
 	GElf_Shdr sh;
-	struct rb_root symbol_tree;
+	struct rb_root_cached symbol_tree;
 	struct list_head symbol_list;
 	struct list_head reloc_list;
 	struct section *base, *reloc;
@@ -38,7 +38,7 @@ struct section {
 	Elf_Data *data;
 	char *name;
 	int idx;
-	bool changed, text, rodata, noinstr;
+	bool changed, text, rodata, noinstr, init, truncate;
 };
 
 struct symbol {
@@ -53,6 +53,7 @@ struct symbol {
 	unsigned char bind, type;
 	unsigned long offset;
 	unsigned int len;
+	unsigned long __subtree_last;
 	struct symbol *pfunc, *cfunc, *alias;
 	u8 uaccess_safe      : 1;
 	u8 static_call_tramp : 1;
@@ -61,6 +62,7 @@ struct symbol {
 	u8 fentry            : 1;
 	u8 profiling_func    : 1;
 	struct list_head pv_target;
+	struct list_head reloc_list;
 };
 
 struct reloc {
@@ -72,6 +74,7 @@ struct reloc {
 	};
 	struct section *sec;
 	struct symbol *sym;
+	struct list_head sym_reloc_entry;
 	unsigned long offset;
 	unsigned int type;
 	s64 addend;
@@ -145,6 +148,8 @@ static inline bool has_multiple_files(struct elf *elf)
 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 symbol *elf_create_prefix_symbol(struct elf *elf, struct symbol *orig, long size);
+
 int elf_add_reloc(struct elf *elf, struct section *sec, unsigned long offset,
 		  unsigned int type, struct symbol *sym, s64 addend);
 int elf_add_reloc_to_insn(struct elf *elf, struct section *sec,
diff --git a/tools/objtool/include/objtool/objtool.h b/tools/objtool/include/objtool/objtool.h
index 7f2d1b095333..6b40977bcdb1 100644
--- a/tools/objtool/include/objtool/objtool.h
+++ b/tools/objtool/include/objtool/objtool.h
@@ -28,6 +28,7 @@ struct objtool_file {
 	struct list_head static_call_list;
 	struct list_head mcount_loc_list;
 	struct list_head endbr_list;
+	struct list_head call_list;
 	bool ignore_unreachables, hints, rodata;
 
 	unsigned int nr_endbr;