forked from OSchip/llvm-project
ec4e68e667
We have an issue currently. The following YAML piece just ignores the `Excluded` key.
```
SectionHeaderTable:
Sections: []
Excluded:
- Name: .foo
```
Currently the meaning is: exclude the whole table.
The code checks that the `Sections` key is empty and doesn't catch/check
invalid/duplicated/missed `Excluded` entries.
Also there is no way to exclude all sections except the first null section,
because `Sections: []` currently just excludes the whole the sections header table.
To fix it, I suggest a change of the behavior.
1) A new `NoHeaders` key is added. It provides an explicit syntax to drop the whole table.
2) The meaning of the following is changed:
```
SectionHeaderTable:
Sections: []
Excluded:
- Name: .foo
```
Assuming there are 2 sections in the object (a null section and `.foo`), with this patch it
means: exclude the `.foo` section, keep the null section. The null section is an implicit
section and I think it is reasonable to make "Sections: []" to mean it is implicitly added.
It will be consistent with the global "Sections" tag that is used to describe sections.
3) `SectionHeaderTable->Sections` is now optional. No `Sections` is the same as
`Sections: []` (I think it avoids a confusion).
4) Using of `NoHeaders` together with `Sections`/`Excluded` is not allowed.
5) It is possible to use the `Excluded` key without the `Sections` key now (in this case
`Excluded` must contain all sections).
6) `SectionHeaderTable:` or `SectionHeaderTable: []` is not allowed.
7) When the `SectionHeaderTable` key is present, we still require all sections to be
present in `Sections` and `Excluded` lists. No changes here, we are still strict.
Differential revision: https://reviews.llvm.org/D81655
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| UpdateTestChecks | ||
| dsymutil | ||
| gold | ||
| llc | ||
| llvm-ar | ||
| llvm-as | ||
| llvm-cfi-verify | ||
| llvm-config | ||
| llvm-cov | ||
| llvm-cvtres | ||
| llvm-cxxdump | ||
| llvm-cxxfilt | ||
| llvm-cxxmap | ||
| llvm-diff | ||
| llvm-dlltool | ||
| llvm-dwarfdump | ||
| llvm-dwp | ||
| llvm-elfabi | ||
| llvm-exegesis | ||
| llvm-extract | ||
| llvm-gsymutil | ||
| llvm-ifs | ||
| llvm-isel-fuzzer | ||
| llvm-lib | ||
| llvm-lipo | ||
| llvm-lit | ||
| llvm-locstats | ||
| llvm-lto | ||
| llvm-lto2 | ||
| llvm-mc | ||
| llvm-mca | ||
| llvm-ml | ||
| llvm-modextract | ||
| llvm-mt | ||
| llvm-nm | ||
| llvm-objcopy | ||
| llvm-objdump | ||
| llvm-opt-fuzzer | ||
| llvm-opt-report | ||
| llvm-pdbutil | ||
| llvm-profdata | ||
| llvm-ranlib | ||
| llvm-rc | ||
| llvm-readobj | ||
| llvm-size | ||
| llvm-split | ||
| llvm-strings | ||
| llvm-symbolizer | ||
| llvm-xray | ||
| lto | ||
| obj2yaml | ||
| opt-viewer | ||
| sancov | ||
| sanstats | ||
| yaml2obj | ||