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| author |   Kees Cook <keescook@chromium.org> | 2019-10-29 14:13:30 -0700 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2019-11-04 15:34:38 +0100 |
| commit | 441110a547f86a2fd0c40bf04b274853622c53cc (patch) | |
| tree | 2f687cd965869691d002ea287d1deb36548df907 /include/asm-generic/vmlinux.lds.h | |
| parent | x86/vmlinux: Restore "text" Program Header with dummy section (diff) | |
| download | linux-dev-441110a547f86a2fd0c40bf04b274853622c53cc.tar.xz linux-dev-441110a547f86a2fd0c40bf04b274853622c53cc.zip | |
vmlinux.lds.h: Provide EMIT_PT_NOTE to indicate export of .notes
In preparation for moving NOTES into RO_DATA, provide a mechanism for
architectures that want to emit a PT_NOTE Program Header to do so.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> # s390
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Will Deacon <will@kernel.org>
Cc: x86-ml <x86@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-9-keescook@chromium.org
Diffstat (limited to '')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index dae64600ccbf..f5dd45ce73f1 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -54,6 +54,14 @@ #define LOAD_OFFSET 0 #endif +/* + * Only some architectures want to have the .notes segment visible in + * a separate PT_NOTE ELF Program Header. + */ +#ifdef EMITS_PT_NOTE +#define NOTES_HEADERS :text :note +#endif + /* Align . to a 8 byte boundary equals to maximum function alignment. */ #define ALIGN_FUNCTION() . = ALIGN(8) |