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Message-ID: <d0dd2ba346caaa57394d4b13949e107b61b742cf.1725334260.git.jpoimboe@kernel.org>
Date: Mon,  2 Sep 2024 20:59:52 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: live-patching@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	x86@...nel.org,
	Miroslav Benes <mbenes@...e.cz>,
	Petr Mladek <pmladek@...e.com>,
	Joe Lawrence <joe.lawrence@...hat.com>,
	Jiri Kosina <jikos@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Marcos Paulo de Souza <mpdesouza@...e.com>,
	Song Liu <song@...nel.org>
Subject: [RFC 09/31] objtool: Const string cleanup

Use 'const char *' where applicable.

Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 tools/objtool/arch/loongarch/decode.c | 2 +-
 tools/objtool/arch/powerpc/decode.c   | 2 +-
 tools/objtool/arch/x86/decode.c       | 2 +-
 tools/objtool/elf.c                   | 6 +++---
 tools/objtool/include/objtool/arch.h  | 2 +-
 tools/objtool/include/objtool/elf.h   | 6 +++---
 6 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/objtool/arch/loongarch/decode.c b/tools/objtool/arch/loongarch/decode.c
index aee479d2191c..ef09996c772e 100644
--- a/tools/objtool/arch/loongarch/decode.c
+++ b/tools/objtool/arch/loongarch/decode.c
@@ -10,7 +10,7 @@
 #define EM_LOONGARCH	258
 #endif
 
-int arch_ftrace_match(char *name)
+int arch_ftrace_match(const char *name)
 {
 	return !strcmp(name, "_mcount");
 }
diff --git a/tools/objtool/arch/powerpc/decode.c b/tools/objtool/arch/powerpc/decode.c
index 53b55690f320..29e05ad1b8b6 100644
--- a/tools/objtool/arch/powerpc/decode.c
+++ b/tools/objtool/arch/powerpc/decode.c
@@ -9,7 +9,7 @@
 #include <objtool/builtin.h>
 #include <objtool/endianness.h>
 
-int arch_ftrace_match(char *name)
+int arch_ftrace_match(const char *name)
 {
 	return !strcmp(name, "_mcount");
 }
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c
index 3a1d80a7878d..1b24b05eff09 100644
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -23,7 +23,7 @@
 #include <objtool/builtin.h>
 #include <arch/elf.h>
 
-int arch_ftrace_match(char *name)
+int arch_ftrace_match(const char *name)
 {
 	return !strcmp(name, "__fentry__");
 }
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index 3d27983dc908..b42ee4ef7015 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -814,7 +814,7 @@ elf_create_section_symbol(struct elf *elf, struct section *sec)
 	return sym;
 }
 
-static int elf_add_string(struct elf *elf, struct section *strtab, char *str);
+static int elf_add_string(struct elf *elf, struct section *strtab, const char *str);
 
 struct symbol *
 elf_create_prefix_symbol(struct elf *elf, struct symbol *orig, long size)
@@ -1048,7 +1048,7 @@ struct elf *elf_open_read(const char *name, int flags)
 	return NULL;
 }
 
-static int elf_add_string(struct elf *elf, struct section *strtab, char *str)
+static int elf_add_string(struct elf *elf, struct section *strtab, const char *str)
 {
 	Elf_Data *data;
 	Elf_Scn *s;
@@ -1073,7 +1073,7 @@ static int elf_add_string(struct elf *elf, struct section *strtab, char *str)
 		return -1;
 	}
 
-	data->d_buf = str;
+	data->d_buf = strdup(str);
 	data->d_size = strlen(str) + 1;
 	data->d_align = 1;
 
diff --git a/tools/objtool/include/objtool/arch.h b/tools/objtool/include/objtool/arch.h
index 0b303eba660e..f48f5109abb1 100644
--- a/tools/objtool/include/objtool/arch.h
+++ b/tools/objtool/include/objtool/arch.h
@@ -69,7 +69,7 @@ struct stack_op {
 
 struct instruction;
 
-int arch_ftrace_match(char *name);
+int arch_ftrace_match(const char *name);
 
 void arch_initial_func_cfi_state(struct cfi_init_state *state);
 
diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h
index 2b8a69de4db8..a027fc34d605 100644
--- a/tools/objtool/include/objtool/elf.h
+++ b/tools/objtool/include/objtool/elf.h
@@ -40,7 +40,7 @@ struct section {
 	struct section *base, *rsec;
 	struct symbol *sym;
 	Elf_Data *data;
-	char *name;
+	const char *name;
 	int idx;
 	bool _changed, text, rodata, noinstr, init, truncate;
 	struct reloc *relocs;
@@ -53,7 +53,7 @@ struct symbol {
 	struct elf_hash_node name_hash;
 	GElf_Sym sym;
 	struct section *sec;
-	char *name;
+	const char *name;
 	unsigned int idx, len;
 	unsigned long offset;
 	unsigned long __subtree_last;
@@ -84,7 +84,7 @@ struct elf {
 	GElf_Ehdr ehdr;
 	int fd;
 	bool changed;
-	char *name;
+	const char *name;
 	unsigned int num_files;
 	struct list_head sections;
 	unsigned long num_relocs;
-- 
2.45.2


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