[clang] [llvm] [MC,llvm-readobj,yaml2obj] Support CREL relocation format (PR #91280)

[Peter Smith via cfe-commits]

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@@ -123,6 +123,12 @@ class ContiguousBlobAccumulator {
     return encodeULEB128(Val, OS);
   }
 
+  unsigned writeSLEB128(int64_t Val) {
+    if (!checkLimit(10))
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smithp35 wrote:

I'm guessing 10 is from 64-bits extended to 10 groups of 7-bits extended to 8.

Unless I've misunderstood I note that writeULEB128 above uses sizeof(uint64_t) which may be a little too low.

https://github.com/llvm/llvm-project/pull/91280