Displaying 1 result from an estimated 1 matches for "patchable_op".
2016 Apr 29
2
RFC: XRay -- A Function Call Tracing System
...ll enable users to specify
functions to always/never instrument, and add thresholds for some
heuristics.
3.
*LLVM:* Add new LLVM pseudo instructions for indicating where the
instrumentation sleds should be placed, and what kind of sleds these are.
For entry sleds, we can use the `PATCHABLE_OP` instruction, and a new
instruction for patching exits (`PATCHABLE_RET`?) that get handled by the
assembly printer per platform. Currently only implemented for x86_64.
4.
*LLVM:* Use a separate section to map the instrumentation sled
locations. This will work even in non-debug build...