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| author |   Josh Poimboeuf <jpoimboe@redhat.com> | 2017-06-28 10:11:07 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-06-30 10:19:19 +0200 |
| commit | baa41469a7b992c1e3db2a39854219cc7442e48f (patch) | |
| tree | 1a8e43a0d5e27db457c1cc6f8a4510b258b46bee /tools/objtool/warn.h | |
| parent | objtool, x86: Add several functions and files to the objtool whitelist (diff) | |
| download | wireguard-linux-baa41469a7b992c1e3db2a39854219cc7442e48f.tar.xz wireguard-linux-baa41469a7b992c1e3db2a39854219cc7442e48f.zip | |
objtool: Implement stack validation 2.0
This is a major rewrite of objtool. Instead of only tracking frame
pointer changes, it now tracks all stack-related operations, including
all register saves/restores.
In addition to making stack validation more robust, this also paves the
way for undwarf generation.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/678bd94c0566c6129bcc376cddb259c4c5633004.1498659915.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | tools/objtool/warn.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/objtool/warn.h b/tools/objtool/warn.h index ac7e07523e84..afd9f7a05f6d 100644 --- a/tools/objtool/warn.h +++ b/tools/objtool/warn.h @@ -18,6 +18,13 @@ #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) @@ -57,4 +64,7 @@ static inline char *offstr(struct section *sec, unsigned long offset) free(_str); \ }) +#define WARN_ELF(format, ...) \ + WARN(format ": %s", ##__VA_ARGS__, elf_errmsg(-1)) + #endif /* _WARN_H */ |