[llvm] [JITLink][AArch32] Implement Armv5 ldr-pc stubs and use them for all pre-v7 targets (PR #79082)

[Stefan Gränitz via llvm-commits]

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@@ -341,6 +336,37 @@ class GOTBuilder : public TableManager<GOTBuilder> {
   Section *GOTSection = nullptr;
 };
 
+/// Stubs builder emits non-position-independent Arm stubs for pre-v7 CPUs.
+/// These architectures have no MovT/MovW instructions and don't support Thumb2.
+/// BL is the only Thumb instruction that can generate stubs and they can always
+/// be transformed into BLX.
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weliveindetail wrote:

Yes, sounds reasonable. I don't have a proper hardware to test this either. Thanks!

https://github.com/llvm/llvm-project/pull/79082