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kernel: add common bits to support TLS

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This adds the common struct fields and functions to support
the implementation of thread local storage in individual
architecture. This uses the thread stack to store TLS data.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2020-09-28 11:27:11 -07:00 • committed by Andrew Boie
commit 02b20351cd
7 changed files with 97 additions and 0 deletions
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5
CMakeLists.txt
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@ -291,6 +291,11 @@ zephyr_cc_option(-fno-pie)
zephyr_cc_option(-fno-pic)
zephyr_cc_option(-fno-strict-overflow)
if(CONFIG_THREAD_LOCAL_STORAGE)
# Only support local exec TLS model at this point.
zephyr_cc_option(-ftls-model=local-exec)
endif()
if(CONFIG_OVERRIDE_FRAME_POINTER_DEFAULT)
if(CONFIG_OMIT_FRAME_POINTER)
zephyr_cc_option(-fomit-frame-pointer)