Initial support for the cfi directives. This is just enough to get
f:
.cfi_startproc
nop
.cfi_endproc
assembled (on ELF).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PTX/PTXMCAsmStreamer.cpp b/lib/Target/PTX/PTXMCAsmStreamer.cpp
index 4e517ad..ec9dc96 100644
--- a/lib/Target/PTX/PTXMCAsmStreamer.cpp
+++ b/lib/Target/PTX/PTXMCAsmStreamer.cpp
@@ -23,6 +23,7 @@
#include "llvm/Support/Format.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetAsmInfo.h"
using namespace llvm;
@@ -36,21 +37,19 @@
SmallString<128> CommentToEmit;
raw_svector_ostream CommentStream;
- unsigned IsLittleEndian : 1;
unsigned IsVerboseAsm : 1;
unsigned ShowInst : 1;
public:
PTXMCAsmStreamer(MCContext &Context,
formatted_raw_ostream &os,
- bool isLittleEndian,
- bool isVerboseAsm,
+ bool isVerboseAsm, bool useLoc,
MCInstPrinter *printer,
MCCodeEmitter *emitter,
bool showInst)
: MCStreamer(Context), OS(os), MAI(Context.getAsmInfo()),
InstPrinter(printer), Emitter(emitter), CommentStream(CommentToEmit),
- IsLittleEndian(isLittleEndian), IsVerboseAsm(isVerboseAsm),
+ IsVerboseAsm(isVerboseAsm),
ShowInst(showInst) {
if (InstPrinter && IsVerboseAsm)
InstPrinter->setCommentStream(CommentStream);
@@ -58,8 +57,6 @@
~PTXMCAsmStreamer() {}
- bool isLittleEndian() const { return IsLittleEndian; }
-
inline void EmitEOL() {
// If we don't have any comments, just emit a \n.
if (!IsVerboseAsm) {
@@ -147,7 +144,8 @@
virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
- virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace);
+ virtual void EmitValueImpl(const MCExpr *Value, unsigned Size,
+ bool isPCRel, unsigned AddrSpace);
virtual void EmitULEB128Value(const MCExpr *Value, unsigned AddrSpace = 0);
virtual void EmitSLEB128Value(const MCExpr *Value, unsigned AddrSpace = 0);
virtual void EmitGPRel32Value(const MCExpr *Value);
@@ -359,9 +357,10 @@
EmitEOL();
}
-void PTXMCAsmStreamer::EmitValue(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace) {
+void PTXMCAsmStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size,
+ bool isPCRel, unsigned AddrSpace) {
assert(CurSection && "Cannot emit contents before setting section!");
+ assert(!isPCRel && "Cannot emit pc relative relocations!");
const char *Directive = 0;
switch (Size) {
default: break;
@@ -375,7 +374,7 @@
int64_t IntValue;
if (!Value->EvaluateAsAbsolute(IntValue))
report_fatal_error("Don't know how to emit this value.");
- if (isLittleEndian()) {
+ if (getContext().getTargetAsmInfo().isLittleEndian()) {
EmitIntValue((uint32_t)(IntValue >> 0 ), 4, AddrSpace);
EmitIntValue((uint32_t)(IntValue >> 32), 4, AddrSpace);
} else {
@@ -539,10 +538,10 @@
namespace llvm {
MCStreamer *createPTXAsmStreamer(MCContext &Context,
formatted_raw_ostream &OS,
- bool isLittleEndian,
- bool isVerboseAsm, MCInstPrinter *IP,
+ bool isVerboseAsm, bool useLoc,
+ MCInstPrinter *IP,
MCCodeEmitter *CE, bool ShowInst) {
- return new PTXMCAsmStreamer(Context, OS, isLittleEndian, isVerboseAsm,
+ return new PTXMCAsmStreamer(Context, OS, isVerboseAsm, useLoc,
IP, CE, ShowInst);
}
}