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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/objtool/warn.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tools/objtool/warn.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/tools/objtool/warn.h b/tools/objtool/warn.h new file mode 100644 index 000000000..7799f60de --- /dev/null +++ b/tools/objtool/warn.h @@ -0,0 +1,66 @@ +/* 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 */ |