[llvm] [Sample Profile] make page size configurable for ProfiledBinary (PR #206873)

[via llvm-commits]

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@@ -362,22 +368,21 @@ template <class ELFT>
 void ProfiledBinary::setPreferredTextSegmentAddresses(const ELFFile<ELFT> &Obj,
                                                       StringRef FileName) {
   const auto &PhdrRange = unwrapOrError(Obj.program_headers(), FileName);
-  // FIXME: This should be the page size of the system running profiling.
-  // However such info isn't available at post-processing time, assuming
-  // 4K page now. Note that we don't use EXEC_PAGESIZE from <linux/param.h>
-  // because we may build the tools on non-linux.
-  uint64_t PageSize = 0x1000;
+  uint64_t LocalPageSize = PageSize;
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HighW4y2H3ll wrote:

Sorry for the late stamp. Can you rebase? and I'll hit the merge

https://github.com/llvm/llvm-project/pull/206873