* [PATCH] elf: add remaining SHF_ flag macros
@ 2025-03-07 17:14 Timur Tabi
2025-03-07 20:23 ` Kees Cook
0 siblings, 1 reply; 2+ messages in thread
From: Timur Tabi @ 2025-03-07 17:14 UTC (permalink / raw)
To: Kees Cook, linux-kernel, kexec, Jessica Yu, binutils
Add the remaining SHF_ flags, as listed in the "Executable and
Linkable Format" Wikipedia page. This allows drivers to load and
parse ELF images that use some of those flags.
In particular, an upcoming change to the Nouveau GPU driver will
use some of the flags.
Signed-off-by: Timur Tabi <ttabi@nvidia.com>
---
include/uapi/linux/elf.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index b44069d29cec..6712c7a03596 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -291,8 +291,18 @@ typedef struct elf64_phdr {
#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
+#define SHF_MERGE 0x10
+#define SHF_STRINGS 0x20
+#define SHF_INFO_LINK 0x40
+#define SHF_LINK_ORDER 0x80
+#define SHF_OS_NONCONFORMING 0x100
+#define SHF_GROUP 0x200
+#define SHF_TLS 0x400
#define SHF_RELA_LIVEPATCH 0x00100000
#define SHF_RO_AFTER_INIT 0x00200000
+#define SHF_ORDERED 0x04000000
+#define SHF_EXCLUDE 0x08000000
+#define SHF_MASKOS 0x0ff00000
#define SHF_MASKPROC 0xf0000000
/* special section indexes */
base-commit: 5734411ec9f9cb6dcd0b3c627ae16b3011e6f4fe
prerequisite-patch-id: c4ea9bb93e2edfc4788c70e5057e5170dbf42a57
prerequisite-patch-id: 5abbe49499a6629f6f4389e86456308022771cb6
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] elf: add remaining SHF_ flag macros
2025-03-07 17:14 [PATCH] elf: add remaining SHF_ flag macros Timur Tabi
@ 2025-03-07 20:23 ` Kees Cook
0 siblings, 0 replies; 2+ messages in thread
From: Kees Cook @ 2025-03-07 20:23 UTC (permalink / raw)
To: linux-kernel, kexec, Jessica Yu, binutils, Timur Tabi; +Cc: Kees Cook
On Fri, 07 Mar 2025 11:14:17 -0600, Timur Tabi wrote:
> Add the remaining SHF_ flags, as listed in the "Executable and
> Linkable Format" Wikipedia page. This allows drivers to load and
> parse ELF images that use some of those flags.
>
> In particular, an upcoming change to the Nouveau GPU driver will
> use some of the flags.
>
> [...]
I added a reference to:
https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.sheader.html#sh_flags
Applied to for-next/topic/execve/core, thanks!
[1/1] elf: add remaining SHF_ flag macros
https://git.kernel.org/kees/c/b0db1ed17645
Take care,
--
Kees Cook
^ permalink raw reply [flat|nested] 2+ messages in thread
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