6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-24 23:29:41 +00:00
Code Issues Projects Releases Wiki Activity

Don't repeat names in comments.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234498 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-04-09 16:06:26 +00:00
parent d92d26440c
commit 1e2c16606d
1 changed files with 25 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
include/llvm/MC/MCAsmBackend.h
View File

@ -30,7 +30,7 @@ class MCSection;
class MCValue;
class raw_ostream;
/// MCAsmBackend - Generic interface to target specific assembler backends.
/// Generic interface to target specific assembler backends.
class MCAsmBackend {
MCAsmBackend(const MCAsmBackend &) = delete;
void operator=(const MCAsmBackend &) = delete;
@ -46,42 +46,42 @@ public:
/// lifetime management
virtual void reset() {}
/// createObjectWriter - Create a new MCObjectWriter instance for use by the
/// assembler backend to emit the final object file.
/// Create a new MCObjectWriter instance for use by the assembler backend to
/// emit the final object file.
virtual MCObjectWriter *createObjectWriter(raw_ostream &OS) const = 0;
/// createELFObjectTargetWriter - Create a new ELFObjectTargetWriter to enable
/// non-standard ELFObjectWriters.
/// Create a new ELFObjectTargetWriter to enable non-standard
/// ELFObjectWriters.
virtual MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
llvm_unreachable("createELFObjectTargetWriter is not supported by asm "
"backend");
}
/// hasDataInCodeSupport - Check whether this target implements data-in-code
/// markers. If not, data region directives will be ignored.
/// Check whether this target implements data-in-code markers. If not, data
/// region directives will be ignored.
bool hasDataInCodeSupport() const { return HasDataInCodeSupport; }
/// @name Target Fixup Interfaces
/// @{
/// getNumFixupKinds - Get the number of target specific fixup kinds.
/// Get the number of target specific fixup kinds.
virtual unsigned getNumFixupKinds() const = 0;
/// getFixupKindInfo - Get information on a fixup kind.
/// Get information on a fixup kind.
virtual const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const;
/// processFixupValue - Target hook to adjust the literal value of a fixup
/// if necessary. IsResolved signals whether the caller believes a relocation
/// is needed; the target can modify the value. The default does nothing.
/// Target hook to adjust the literal value of a fixup if necessary.
/// IsResolved signals whether the caller believes a relocation is needed; the
/// target can modify the value. The default does nothing.
virtual void processFixupValue(const MCAssembler &Asm,
const MCAsmLayout &Layout,
const MCFixup &Fixup, const MCFragment *DF,
const MCValue &Target, uint64_t &Value,
bool &IsResolved) {}
/// applyFixup - Apply the \p Value for given \p Fixup into the provided
/// data fragment, at the offset specified by the fixup and following the
/// fixup kind as appropriate.
/// Apply the \p Value for given \p Fixup into the provided data fragment, at
/// the offset specified by the fixup and following the fixup kind as
/// appropriate.
virtual void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
uint64_t Value, bool IsPCRel) const = 0;
@ -90,20 +90,18 @@ public:
/// @name Target Relaxation Interfaces
/// @{
/// mayNeedRelaxation - Check whether the given instruction may need
/// relaxation.
/// Check whether the given instruction may need relaxation.
///
/// \param Inst - The instruction to test.
virtual bool mayNeedRelaxation(const MCInst &Inst) const = 0;
/// fixupNeedsRelaxation - Target specific predicate for whether a given
/// fixup requires the associated instruction to be relaxed.
/// Target specific predicate for whether a given fixup requires the
/// associated instruction to be relaxed.
virtual bool fixupNeedsRelaxation(const MCFixup &Fixup, uint64_t Value,
const MCRelaxableFragment *DF,
const MCAsmLayout &Layout) const = 0;
/// RelaxInstruction - Relax the instruction in the given fragment to the next
/// wider instruction.
/// Relax the instruction in the given fragment to the next wider instruction.
///
/// \param Inst The instruction to relax, which may be the same as the
/// output.
@ -112,22 +110,19 @@ public:
/// @}
/// getMinimumNopSize - Returns the minimum size of a nop in bytes on this
/// target. The assembler will use this to emit excess padding in situations
/// where the padding required for simple alignment would be less than the
/// minimum nop size.
/// Returns the minimum size of a nop in bytes on this target. The assembler
/// will use this to emit excess padding in situations where the padding
/// required for simple alignment would be less than the minimum nop size.
///
virtual unsigned getMinimumNopSize() const { return 1; }
/// writeNopData - Write an (optimal) nop sequence of Count bytes to the given
/// output. If the target cannot generate such a sequence, it should return an
/// error.
/// Write an (optimal) nop sequence of Count bytes to the given output. If the
/// target cannot generate such a sequence, it should return an error.
///
/// \return - True on success.
virtual bool writeNopData(uint64_t Count, MCObjectWriter *OW) const = 0;
/// handleAssemblerFlag - Handle any target-specific assembler flags.
/// By default, do nothing.
/// Handle any target-specific assembler flags. By default, do nothing.
virtual void handleAssemblerFlag(MCAssemblerFlag Flag) {}
/// \brief Generate the compact unwind encoding for the CFI instructions.