As arm64 is about to introduce MTE-specific phdrs in the core dump, add
a common CONFIG_ARCH_BINFMT_ELF_EXTRA_PHDRS option currently selectable
by UML_X86 and IA64.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Link: https://lore.kernel.org/r/20220131165456.2160675-2-catalin.marinas@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
config IA64
bool
+ select ARCH_BINFMT_ELF_EXTRA_PHDRS
select ARCH_HAS_DMA_MARK_CLEAN
select ARCH_HAS_STRNCPY_FROM_USER
select ARCH_HAS_STRNLEN_USER
config UML_X86
def_bool y
+ select ARCH_BINFMT_ELF_EXTRA_PHDRS if X86_32
config 64BIT
bool "64-bit kernel" if "$(SUBARCH)" = "x86"
config ARCH_BINFMT_ELF_STATE
bool
+config ARCH_BINFMT_ELF_EXTRA_PHDRS
+ bool
+
config ARCH_HAVE_ELF_PROT
bool
#endif
}
-#if (defined(CONFIG_UML) && defined(CONFIG_X86_32)) || defined(CONFIG_IA64)
+#ifdef CONFIG_ARCH_BINFMT_ELF_EXTRA_PHDRS
/*
* These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
* extra segments containing the gate DSO contents. Dumping its
{
return 0;
}
-#endif
+#endif /* CONFIG_ARCH_BINFMT_ELF_EXTRA_PHDRS */
#endif /* _LINUX_ELFCORE_H */