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MC: Move MCSectionData::Fixup out to MCAsmFixup.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2010-02-11 21:29:29 +00:00
parent 8d31de6268
commit 27ade18431
2 changed files with 42 additions and 40 deletions
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67
include/llvm/MC/MCAssembler.h
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@@ -22,10 +22,39 @@ class raw_ostream;
class MCAssembler;
class MCContext;
class MCExpr;
class MCFragment;
class MCSection;
class MCSectionData;
class MCSymbol;
/// MCAsmFixup - Represent a fixed size region of bytes inside some fragment
/// which needs to be rewritten. This region will either be rewritten by the
/// assembler or cause a relocation entry to be generated.
struct MCAsmFixup {
/// Fragment - The fragment containing the fixup.
MCFragment *Fragment;
/// Offset - The offset inside the fragment which needs to be rewritten.
uint64_t Offset;
/// Value - The expression to eventually write into the fragment.
const MCExpr *Value;
/// Size - The fixup size.
unsigned Size;
/// FixedValue - The value to replace the fix up by.
//
// FIXME: This should not be here.
uint64_t FixedValue;
public:
MCAsmFixup(MCFragment &_Fragment, uint64_t _Offset, const MCExpr &_Value,
unsigned _Size)
: Fragment(&_Fragment), Offset(_Offset), Value(&_Value), Size(_Size),
FixedValue(0) {}
};
class MCFragment : public ilist_node<MCFragment> {
MCFragment(const MCFragment&); // DO NOT IMPLEMENT
void operator=(const MCFragment&); // DO NOT IMPLEMENT
@@ -284,41 +313,14 @@ class MCSectionData : public ilist_node<MCSectionData> {
void operator=(const MCSectionData&); // DO NOT IMPLEMENT
public:
/// Fixup - Represent a fixed size region of bytes inside some fragment which
/// needs to be rewritten. This region will either be rewritten by the
/// assembler or cause a relocation entry to be generated.
struct Fixup {
/// Fragment - The fragment containing the fixup.
MCFragment *Fragment;
/// Offset - The offset inside the fragment which needs to be rewritten.
uint64_t Offset;
/// Value - The expression to eventually write into the fragment.
const MCExpr *Value;
/// Size - The fixup size.
unsigned Size;
/// FixedValue - The value to replace the fix up by.
//
// FIXME: This should not be here.
uint64_t FixedValue;
public:
Fixup(MCFragment &_Fragment, uint64_t _Offset, const MCExpr &_Value,
unsigned _Size)
: Fragment(&_Fragment), Offset(_Offset), Value(&_Value), Size(_Size),
FixedValue(0) {}
};
typedef iplist<MCFragment> FragmentListType;
typedef FragmentListType::const_iterator const_iterator;
typedef FragmentListType::iterator iterator;
typedef std::vector<Fixup>::const_iterator const_fixup_iterator;
typedef std::vector<Fixup>::iterator fixup_iterator;
typedef std::vector<MCAsmFixup>::const_iterator const_fixup_iterator;
typedef std::vector<MCAsmFixup>::iterator fixup_iterator;
private:
iplist<MCFragment> Fragments;
@@ -347,7 +349,7 @@ private:
mutable unsigned LastFixupLookup;
/// Fixups - The list of fixups in this section.
std::vector<Fixup> Fixups;
std::vector<MCAsmFixup> Fixups;
/// HasInstructions - Whether this section has had instructions emitted into
/// it.
@@ -385,7 +387,7 @@ public:
/// @name Fixup Access
/// @{
std::vector<Fixup> &getFixups() {
std::vector<MCAsmFixup> &getFixups() {
return Fixups;
}
@@ -413,7 +415,8 @@ public:
//
// FIXME: This isn't horribly slow in practice, but there are much nicer
// solutions to applying the fixups.
const Fixup *LookupFixup(const MCFragment *Fragment, uint64_t Offset) const;
const MCAsmFixup *LookupFixup(const MCFragment *Fragment,
uint64_t Offset) const;
uint64_t getAddress() const {
assert(Address != ~UINT64_C(0) && "Address not set!");