Re: [RFC PATCH 1/5] elf: add livepatch-specific elf constants
From: Josh Poimboeuf <hidden>
Date: 2015-11-12 15:34:07
Also in:
lkml
On Mon, Nov 09, 2015 at 11:45:51PM -0500, Jessica Yu wrote:
quoted hunk ↗ jump to hunk
Add livepatch elf reloc section flag, livepatch symbol bind and section index Signed-off-by: Jessica Yu <redacted> --- include/uapi/linux/elf.h | 3 +++ 1 file changed, 3 insertions(+)diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index 71e1d0e..967ce1b 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h@@ -118,6 +118,7 @@ typedef __s64 Elf64_Sxword; #define STB_LOCAL 0 #define STB_GLOBAL 1 #define STB_WEAK 2 +#define STB_LIVEPATCH_EXT 11 #define STT_NOTYPE 0 #define STT_OBJECT 1@@ -286,6 +287,7 @@ typedef struct elf64_phdr { #define SHF_ALLOC 0x2 #define SHF_EXECINSTR 0x4 #define SHF_MASKPROC 0xf0000000 +#define SHF_RELA_LIVEPATCH 0x4000000 /* special section indexes */ #define SHN_UNDEF 0@@ -295,6 +297,7 @@ typedef struct elf64_phdr { #define SHN_ABS 0xfff1 #define SHN_COMMON 0xfff2 #define SHN_HIRESERVE 0xffff +#define SHN_LIVEPATCH 0xff21 typedef struct elf32_shdr { Elf32_Word sh_name;
For all of these it would be good to re-indent the surrounding macros so their values are all vertically aligned with the new LIVEPATCH ones. -- Josh