Over a year without a fix, not worth bothering with.
** Changed in: tarantool
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1018356
Title:
'unable to load command 0x2?' warnings under MacOS X
Status in Tarantool - an efficient in-memory data store:
Won't Fix
Bug description:
Non-static binaries, compiled with gcc-mp-4.6 (from mac ports) and
linked with libbfd (also from ports), at initialization point, print
out warnings like: 'unable to load command 0x24' or 'unable to load
command 0x26', etc.
In most cases (observed with tarantool binaries under Mac OS X Lion),
the command code is >= 0x20.
The message comes from bfd/mach-o.c (as in
http://opensource.apple.com/source/gdb/gdb-967/src/bfd/mach-o.c):
switch (command->type)
{
case BFD_MACH_O_LC_SEGMENT:
if (bfd_mach_o_scan_read_segment_32 (abfd, command) != 0)
return -1;
break;
.....
default:
fprintf (stderr, "unable to read unknown load command 0x%lx\n",
(unsigned long) command->type);
break;
}
The warning says that BFD cannot recognize the Mach-O section load
command it has encountered.
Looking at bfd/mach-o.h
(http://opensource.apple.com/source/cxxfilt/cxxfilt-9/cxxfilt/bfd/mach-o.h?txt)
where known load commands are described, we find that commands there
range from 0x1 to 0x18, yet nothing beyond.
Mac OS X (Lion) defines load constants in
/usr/include/mach-o/loader.h (available if you've installed XCode),
from 0x1 to 0x27. Therefore, the most logical explanation to seeing
the warnings for load codes > 0x18 appears to be the lack of the said
codes in BFD's own header.
This seems to place it as a BFD-specific issue that should eventually
(when the codes are brought in sync) disappear.
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