Commit Graph

3 Commits

Author SHA1 Message Date
Fangrui Song 948be862d6 [llvm-readobj] Remove legacy GNU_PROPERTY_X86_ISA_1_{NEEDED,USED} and dump new GNU_PROPERTY_X86_ISA_1_{NEEDED,USED}
https://sourceware.org/bugzilla/show_bug.cgi?id=26703 deprecated the
previous GNU_PROPERTY_X86_ISA_1_{CMOV,SSE,*} values (renamed to `COMPAT`)
and added new values.

Since the legacy values are not used by compilers, having dumping support in
llvm-readobj is unnecessary. So just drop the legacy feature.

The new values are used by GCC 11
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97250) `-march=x86-64-v[234]` to
indicate the micro-architecture ISA levels.

Differential Revision: https://reviews.llvm.org/D98818
2021-03-19 14:35:22 -07:00
Jordan Rupprecht c140810ea1 [llvm-readobj] Include section name of notes.
This changes the output of `llvm-readelf -n` from:

```
Displaying notes found at file offset 0x<...> with length 0x<...>:
```

to:

```
Displaying notes found in: .note.foo
```

And similarly, adds a `Name:` field to the `llvm-readobj -n` output for notes.

This change not only increases GNU compatibility, it also makes it much easier to read notes. Note that we still fall back to printing the file offset/length in cases where we don't have a section name, such as when printing notes in program headers or printing notes in a partially stripped file (GNU readelf does the same).

Fixes llvm.org/PR41339.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D75647
2020-03-05 09:53:14 -08:00
Georgii Rymar dbf520f617 [llvm-readobj][test] - Move platform specific test cases and their inputs to separate folders.
This creates the next subfolders in the test directory:
"COFF", "ELF", "MachO", "wasm".

I've also removed platform specific prefixes, like "coff-*".
One unused binary was removed as well: `Inputs/relocs.obj.elf-mips`

Differential revision: https://reviews.llvm.org/D71203
2019-12-10 11:36:23 +03:00