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arm64: extable: sort the exception table at build time

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As is done for other architectures, sort the exception table at
build-time rather than during boot.

Since sortextable appears to be a standalone C program relying on the
host elf.h to provide EM_AARCH64, I've had to add a conditional check in
order to allow cross-compilation on machines that aren't running a
bleeding-edge libc-dev.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Will Deacon 2013-05-08 17:29:24 +01:00 • committed by Catalin Marinas
parent 73150c983a
commit adace89562
3 changed files with 7 additions and 9 deletions
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5
scripts/sortextable.c
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@ -31,6 +31,10 @@
#include <tools/be_byteshift.h>
#include <tools/le_byteshift.h>
#ifndef EM_AARCH64
#define EM_AARCH64 183
#endif
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */
@ -249,6 +253,7 @@ do_file(char const *const fname)
custom_sort = sort_relative_table;
break;
case EM_ARM:
case EM_AARCH64:
case EM_MIPS:
break;
} /* end switch */