jameshu15869 1ecffdaf27 [libc] Add Kernel Resource Usage to nvptx-loader (#97503) ...

This PR allows `nvptx-loader` to read the resource usage of `_start`,
`_begin`, and `_end` when executing CUDA binaries.

Example output:
```
$ nvptx-loader --print-resource-usage libc/benchmarks/gpu/src/ctype/libc.benchmarks.gpu.src.ctype.isalnum_benchmark.__build__
[ RUN      ] LlvmLibcIsAlNumGpuBenchmark.IsAlnumWrapper
[       OK ] LlvmLibcIsAlNumGpuBenchmark.IsAlnumWrapper: 93 cycles, 76 min, 470 max, 23 iterations, 78000 ns, 80 stddev
_begin registers: 25
_start registers: 80
_end registers: 62
  ```

---------

Co-authored-by: Joseph Huber <huberjn@outlook.com>

2024-07-17 16:07:12 -05:00

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