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b2d0dbf097
objdump's raw insn output can vary across architectures on the number of bytes per chunk (bpc) displayed and their endianness. The code-reading test relied on reading objdump output as 1 bpc. Kaixu Xia reported test failure on ARM64, where objdump displays 4 bpc: 70c48: f90027bf str xzr, [x29,#72] 70c4c: 91224000 add x0, x0, #0x890 70c50: f90023a0 str x0, [x29,#64] This patch adds support to read raw insn output for any bpc length. In case of 2+ bpc it also guesses objdump's display endian. Reported-and-Tested-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: Jan Stancek <jstancek@redhat.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/07f0f7bcbda78deb423298708ef9b6a54d6b92bd.1452592712.git.jstancek@redhat.com [ Fix up pr_fmt() call to use %zd for size_t variables, fixing the build on Ubuntu cross-compiling to armhf and ppc64 ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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