ARMmbed / mbed-os / 12179

57%

Pull #4892

travis-ci

Generate/Link secure object file
Cortex v8 architecture based devices support secure/non-secure builds.
Secure build should generate the object file/library from elf during link
process which is used by non-secure binary during linking.

--in-implib=file specifies input import library
--out-implib=file specifies output library in which symbols are exported
--cmse-implib requests libraries mentioned above are secure gateway
libraries
Creation of secure library is done as part of linking process in GCC.
Non-Secure project should add this secure object file as part of the
linking process.

Secure library is named as TARGET_NAME.o to make it unique.

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