6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-25 10:27:04 +00:00
Code Issues Projects Releases Wiki Activity

implement the rest of correct x86-64 encoder support for

Browse Source 
rip-relative addresses, and add a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-02-12 23:24:09 +00:00
parent 15ce1d71f1
commit 4a2e5edb94
2 changed files with 39 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Target/X86/X86MCCodeEmitter.cpp
View File

@@ -15,6 +15,7 @@
#include "X86.h"
#include "X86InstrInfo.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@@ -36,10 +37,11 @@ class X86MCCodeEmitter : public MCCodeEmitter {
void operator=(const X86MCCodeEmitter &); // DO NOT IMPLEMENT
const TargetMachine &TM;
const TargetInstrInfo &TII;
MCContext &Ctx;
bool Is64BitMode;
public:
X86MCCodeEmitter(TargetMachine &tm, bool is64Bit)
: TM(tm), TII(*TM.getInstrInfo()) {
X86MCCodeEmitter(TargetMachine &tm, MCContext &ctx, bool is64Bit)
: TM(tm), TII(*TM.getInstrInfo()), Ctx(ctx) {
Is64BitMode = is64Bit;
}
@@ -122,13 +124,13 @@ public:
MCCodeEmitter *llvm::createX86_32MCCodeEmitter(const Target &,
TargetMachine &TM,
MCContext &Ctx) {
return new X86MCCodeEmitter(TM, false);
return new X86MCCodeEmitter(TM, Ctx, false);
}
MCCodeEmitter *llvm::createX86_64MCCodeEmitter(const Target &,
TargetMachine &TM,
MCContext &Ctx) {
return new X86MCCodeEmitter(TM, true);
return new X86MCCodeEmitter(TM, Ctx, true);
}
@@ -167,7 +169,9 @@ EmitImmediate(const MCOperand &DispOp, unsigned Size, MCFixupKind FixupKind,
// If we have an immoffset, add it to the expression.
const MCExpr *Expr = DispOp.getExpr();
// FIXME: NO CONTEXT.
if (ImmOffset)
Expr = MCBinaryExpr::CreateAdd(Expr,MCConstantExpr::Create(ImmOffset, Ctx),
Ctx);
// Emit a symbolic constant as a fixup and 4 zeros.
Fixups.push_back(MCFixup::Create(CurByte, Expr, FixupKind));