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ELF: Properly redefine PT_GNU_* in terms of PT_LOOS

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The PT_GNU_* program header types are actually offsets from PT_LOOS,
so redefine them as such, reorder them, and add the missing PT_GNU_RELRO.

Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Kees Cook 2022-02-23 19:34:31 -08:00
parent 7dc6ea7c56
commit 4f0bfdfd83
1 changed files with 4 additions and 3 deletions
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7
include/uapi/linux/elf.h
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@ -35,10 +35,11 @@ typedef __s64 Elf64_Sxword;
#define PT_HIOS 0x6fffffff /* OS-specific */
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
#define PT_GNU_EH_FRAME 0x6474e550
#define PT_GNU_PROPERTY 0x6474e553
#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
#define PT_GNU_STACK (PT_LOOS + 0x474e551)
#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
#define PT_GNU_PROPERTY (PT_LOOS + 0x474e553)
/*
* Extended Numbering