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introduce a section kind for common linkage. Use this to slightly

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simplify and commonize some of the asmprinter logic for globals.

This also avoids printing the MCSection for .zerofill, which broke
the llvm-gcc build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93843 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-01-19 02:48:26 +00:00
parent 129e1872c2
commit a3839bc371
6 changed files with 107 additions and 25 deletions
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9
include/llvm/MC/SectionKind.h
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@@ -87,6 +87,11 @@ class SectionKind {
/// BSS - Zero initialized writeable data.
BSS,
/// Common - Data with common linkage. These represent tentative
/// definitions, which always have a zero initializer and are never
/// marked 'constant'.
Common,
/// DataRel - This is the most general form of data that is written
/// to by the program, it can have random relocations to arbitrary
@@ -158,10 +163,11 @@ public:
bool isThreadData() const { return K == ThreadData; }
bool isGlobalWriteableData() const {
return isBSS() || isDataRel() || isReadOnlyWithRel();
return isBSS() || isCommon() || isDataRel() || isReadOnlyWithRel();
}
bool isBSS() const { return K == BSS; }
bool isCommon() const { return K == Common; }
bool isDataRel() const {
return K == DataRel || K == DataRelLocal || K == DataNoRel;
@@ -207,6 +213,7 @@ public:
static SectionKind getThreadBSS() { return get(ThreadBSS); }
static SectionKind getThreadData() { return get(ThreadData); }
static SectionKind getBSS() { return get(BSS); }
static SectionKind getCommon() { return get(Common); }
static SectionKind getDataRel() { return get(DataRel); }
static SectionKind getDataRelLocal() { return get(DataRelLocal); }
static SectionKind getDataNoRel() { return get(DataNoRel); }