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(parent: 08c1d39) | patch
switchcontext.S: Include <cet.h> and use _CET_ENDBR
authorH.J. Lu <hjl.tools@gmail.com>
Fri, 8 May 2020 22:13:04 +0000 (15:13 -0700)
committerH.J. Lu <hjl.tools@gmail.com>
Fri, 8 May 2020 22:13:25 +0000 (15:13 -0700)
commit9e20d0f0ce97c34e2424a3342ea573f3255f5ee3
tree5872313d212c8c4a8c36081023761515ee6ddb22tree
parent08c1d39d3a822dfe7d91524ec290e0f230504242commit | diff
switchcontext.S: Include <cet.h> and use _CET_ENDBR

When __CET__ is defined, <cet.h> should be included to add Intel CET
marker to object file and _CET_ENDBR should be placed at function entry
to indicate indirect branch target.

* libdruntime/config/x86/switchcontext.S: Include <cet.h> if
__CET__ is defined.
(_CET_ENDBR): New.  Define if __CET__ is not defined.
(fiber_switchContext): Add _CET_ENDBR after .cfi_startproc.
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