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Use a 32 bit field for the symbol index.

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Even 64 ELF uses a 32 bit field to refer to symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238704 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-06-01 00:58:31 +00:00
parent 481f35f113
commit 2e20fdbfcb
1 changed files with 4 additions and 5 deletions
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9
include/llvm/MC/MCSymbol.h
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@ -66,7 +66,7 @@ class MCSymbol {
mutable bool HasData : 1;
/// Index field, for use by the object file implementation.
mutable uint64_t Index : 60;
mutable uint32_t Index = 0;
/// An expression describing how to calculate the size of a symbol. If a
/// symbol has no size this field will be NULL.
@ -99,7 +99,7 @@ private: // MCContext creates and uniques these.
friend class MCContext;
MCSymbol(const StringMapEntry<bool> *Name, bool isTemporary)
: Name(Name), Section(nullptr), Value(nullptr), IsTemporary(isTemporary),
IsRedefinable(false), IsUsed(false), HasData(false), Index(0) {
IsRedefinable(false), IsUsed(false), HasData(false) {
Offset = 0;
}
@ -200,15 +200,14 @@ public:
/// @}
/// Get the (implementation defined) index.
uint64_t getIndex() const {
uint32_t getIndex() const {
assert(HasData && "Uninitialized symbol data");
return Index;
}
/// Set the (implementation defined) index.
void setIndex(uint64_t Value) const {
void setIndex(uint32_t Value) const {
assert(HasData && "Uninitialized symbol data");
assert(!(Value >> 60) && "Not enough bits for value");
Index = Value;
}