[all-commits] [llvm/llvm-project] dadaa7: [BOLT][instr] Add optional arguments to __bolt_ins...

[YongKang Zhu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dadaa7941dfd1355569d8bee5d8e199db93364f5
      https://github.com/llvm/llvm-project/commit/dadaa7941dfd1355569d8bee5d8e199db93364f5
  Author: YongKang Zhu <yongzhu at fb.com>
  Date:   2025-07-14 (Mon, 14 Jul 2025)

  Changed paths:
    M bolt/runtime/instr.cpp

  Log Message:
  -----------
  [BOLT][instr] Add optional arguments to __bolt_instr_data_dump() (#148700)

`__bolt_instr_data_dump()` will find instrumented binary name by
iterating through entries under directory `/proc/self/map_files`,
and then open the binary and memory map it onto heap in order
to locate `.bolt.instr.tables` section to read the descriptions.
If binary name is already known and/or binary is already opened
as memory mapped, we can pass binary name and/or memory
buffer directly to `__bolt_instr_data_dump()` to save some work.



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