[ELF] - Allow moving location counter backward in some cases.
Patch removes restriction about moving location counter
backwards outside of output sections declarations.
That may be useful for some apps relying on such scripts,
known example is linux kernel.
Differential revision: https://reviews.llvm.org/D34977
llvm-svn: 307794
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 532879e..a182d5a 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -111,13 +111,9 @@
void LinkerScript::setDot(Expr E, const Twine &Loc, bool InSec) {
uint64_t Val = E().getValue();
- if (Val < Dot) {
- if (InSec)
- error(Loc + ": unable to move location counter backward for: " +
- CurAddressState->OutSec->Name);
- else
- error(Loc + ": unable to move location counter backward");
- }
+ if (Val < Dot && InSec)
+ error(Loc + ": unable to move location counter backward for: " +
+ CurAddressState->OutSec->Name);
Dot = Val;
// Update to location counter means update to section size.
if (InSec)