Georgii Rymar a6436b0b3a [yaml2obj] - Make the 'Machine' key optional.
Currently we have to set 'Machine' to something in our
YAML descriptions. Usually we use 'EM_X86_64' for 64-bit targets
and 'EM_386' for 32-bit targets. At the same time, in fact, in most
cases our tests do not need a machine type and we can use
'EM_NONE'.

This is cleaner, because avoids the need of using a particular machine.

In this patch I've made the 'Machine' key optional (the default value,
when it is not specified is `EM_NONE`) and removed it (where possible)
from yaml2obj, obj2yaml and llvm-readobj tests.

There are few tests left where I decided not to remove it, because
I didn't want to touch CHECK lines or doing anything more complex
than a removing a "Machine: *" line and formatting lines around.

Differential revision: https://reviews.llvm.org/D86202
2020-08-20 11:40:51 +03:00

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## This is a test for --headers and its alias -e.
## Specifying --headers is equivalent to setting --file-headers,
## --program-headers and --section-headers at the same time.
## We test these options independently, so here we just check
## that --headers triggers them.
# RUN: yaml2obj %s -o %t
## Case A: test llvm-readelf output.
# RUN: llvm-readelf --headers %t > %t.headers.gnu.txt
# RUN: FileCheck %s --input-file=%t.headers.gnu.txt --check-prefix=GNU
# GNU: ELF Header:
# GNU: Section Headers:
# GNU: Program Headers:
# GNU: Section to Segment mapping:
# RUN: llvm-readelf -e %t > %t.e.gnu.txt
# RUN: cmp %t.headers.gnu.txt %t.e.gnu.txt
# RUN: llvm-readelf --file-headers --program-headers --section-headers %t > %t.all.gnu.txt
# RUN: cmp %t.headers.gnu.txt %t.all.gnu.txt
## Case B: test llvm-readobj output.
# RUN: llvm-readobj --headers %t > %t.headers.llvm.txt
# RUN: FileCheck %s --input-file=%t.headers.llvm.txt --check-prefix=LLVM
# LLVM: ElfHeader {
# LLVM: Sections [
# LLVM: ProgramHeaders [
# RUN: llvm-readobj -e %t > %t.e.llvm.txt
# RUN: cmp %t.headers.llvm.txt %t.e.llvm.txt
# RUN: llvm-readobj --file-headers --program-headers --section-headers %t > %t.all.llvm.txt
# RUN: cmp %t.headers.llvm.txt %t.all.llvm.txt
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Sections:
- Name: .foo
Type: SHT_PROGBITS
ProgramHeaders:
- Type: PT_LOAD