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Result of subtracting two symbols should be absolute.

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When two linker script symbols are subtracted, the result should be absolute.

This is the behavior of binutils' ld.

Patch by Erick Reyes!

llvm-svn: 321390
This commit is contained in:
Rafael Espindola
2017-12-22 21:55:28 +00:00
parent d8e3633db4
commit 9cbb6dd1fc
2 changed files with 8 additions and 0 deletions
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2
lld/ELF/ScriptParser.cpp
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@@ -151,6 +151,8 @@ static ExprValue add(ExprValue A, ExprValue B) {
}
static ExprValue sub(ExprValue A, ExprValue B) {
if (!A.isAbsolute() && !B.isAbsolute())
return A.getValue() - B.getValue();
return {A.Sec, false, A.getSectionOffset() - B.getValue(), A.Loc};
}