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authorVasily Gorbik <gor@linux.ibm.com>2020-11-13 02:03:29 +0300
committerJosh Poimboeuf <jpoimboe@redhat.com>2021-01-14 03:13:13 +0300
commit8bfe273238d77d3cee18e4c03b2f26ae360b5661 (patch)
treecd0313607796a23f9adf6f5f60a441f84ffc69dd /tools/objtool/objtool.c
parenta1a664ece586457e9f7652b0bc5b08386259e358 (diff)
downloadlinux-8bfe273238d77d3cee18e4c03b2f26ae360b5661.tar.xz
objtool: Fix x86 orc generation on big endian cross-compiles
Correct objtool orc generation endianness problems to enable fully functional x86 cross-compiles on big endian hardware. Introduce bswap_if_needed() macro, which does a byte swap if target endianness doesn't match the host, i.e. cross-compilation for little endian on big endian and vice versa. The macro is used for conversion of multi-byte values which are read from / about to be written to a target native endianness ELF file. Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
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