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[COFF] Allow embedded directives to be separated by null bytes 

The PE spec says that they will be separated by spaces, but link.exe
handles it just fine if they are separated by null bytes as well.

This adds tests to the lld repo, with the actual functional change
in LLVM in SVN r342204.

Differential Revision: https://reviews.llvm.org/D52014

llvm-svn: 342206
This commit is contained in:
Martin Storsjo 2018-09-14 06:08:56 +00:00
parent 4c201a8ba5
commit 4c1b815d39
1 changed files with 46 additions and 0 deletions
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lld/test/COFF/directives.s Normal file
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# REQUIRES: x86
# RUN: llvm-mc -triple=x86_64-windows %s -filetype=obj -o %t.obj
# RUN: lld-link -dll -out:%t.dll -entry:entry %t.obj -subsystem:console
# RUN: llvm-objdump -p %t.dll | FileCheck %s
# CHECK: Export Table:
# CHECK: DLL name: directives.s.tmp.dll
# CHECK: Ordinal RVA Name
# CHECK-NEXT: 0 0
# CHECK-NEXT: 1 0x1000 exportfn1
# CHECK-NEXT: 2 0x1000 exportfn2
# CHECK-NEXT: 3 0x1000 exportfn3
# CHECK-NEXT: 4 0x1000 exportfn4
# CHECK-NEXT: 5 0x1000 exportfn5
# CHECK-NEXT: 6 0x1000 exportfn6
.global entry
.global exportfn1
.global exportfn2
.global exportfn3
.global exportfn4
.global exportfn5
.global exportfn6
.text
entry:
exportfn1:
exportfn2:
exportfn3:
exportfn4:
exportfn5:
exportfn6:
ret
.section .drectve
# Test that directive strings can be separated by any combination of
# spaces and null bytes.
.ascii "-export:exportfn1 "
.asciz "-export:exportfn2"
.asciz "-export:exportfn3"
.asciz "-export:exportfn4 "
.byte 0
.ascii " "
.byte 0
.asciz "-export:exportfn5"
.asciz " -export:exportfn6"