[PATCH] D80185: [xray] Add llvm-xray extract support for 32 bit ARM
Ian Levesque via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 20 20:25:35 PDT 2020
ianlevesque marked an inline comment as done.
ianlevesque added inline comments.
================
Comment at: llvm/lib/XRay/InstrumentationMap.cpp:120
+ if (ObjFile.getBinary()->getArch() == Triple::arm) {
+ if (SupportsRelocation && SupportsRelocation(Reloc.getType())) {
+ Expected<uint64_t> ValueOrErr = Reloc.getSymbol()->getValue();
----------------
MaskRay wrote:
> If we only have `R_ARM_RELATIVE`, you can drop the `if` branch (always false).
It's relocating the xray_fn_idx with absolute relocations still - I think we can just ignore those here but I'd like to do away with them entirely to improve load time.
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D80185/new/
https://reviews.llvm.org/D80185
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