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whats your target arm subarchitecture? it seems there is a mismatch what rust compiler thinks about your target. |
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The target is ARMv7, i used readelf command to get the --arch-specific details and i can see some mis match This is not present in the binary build with a rust armv7 cross compiler & one more difference observed is binary build with rust arm cross compiler is build with following shared objects and for the same code for yocto build only few shared objects are used |
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hello-world example in meta-rust was complied successfully , but on executing it in BMC is giving the flowing error
"Illegal instruction (core dumped)"
The same code cross compiled with a arm rust cross compiler is creating a bigger binary and its executing fine in target
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