6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-16 20:40:16 +00:00
Code Issues Projects Releases Wiki Activity

add a new EmitIntValue method that MCStreamer impls can optionally define

Browse Source 
and that clients can use.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93923 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-19 22:03:38 +00:00
parent bafbbdde38
commit 32ae3fe0ba
3 changed files with 40 additions and 6 deletions

4
include/llvm/MC/MCStreamer.h

@ -169,6 +169,10 @@ namespace llvm {
virtual void EmitValue(const MCExpr *Value, unsigned Size,
unsigned AddrSpace) = 0;
/// EmitIntValue - Special case of EmitValue that avoids the client having
/// to pass in a MCExpr for constant integers.
virtual void EmitIntValue(uint64_t Value, unsigned Size,unsigned AddrSpace);
/// EmitFill - Emit NumBytes bytes worth of the value specified by
/// FillValue. This implements directives such as '.space'.
virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,

35
lib/MC/MCAsmStreamer.cpp

@ -61,6 +61,8 @@ public:
virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
virtual void EmitValue(const MCExpr *Value, unsigned Size,unsigned AddrSpace);
virtual void EmitIntValue(uint64_t Value, unsigned Size, unsigned AddrSpace);
virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue,
unsigned AddrSpace);
@ -187,19 +189,40 @@ void MCAsmStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) {
OS << Directive << (unsigned)(unsigned char)Data[i] << '\n';
}
/// EmitIntValue - Special case of EmitValue that avoids the client having
/// to pass in a MCExpr for constant integers.
void MCAsmStreamer::EmitIntValue(uint64_t Value, unsigned Size,
unsigned AddrSpace) {
assert(CurSection && "Cannot emit contents before setting section!");
// Need target hooks to know how to print this.
const char *Directive = 0;
switch (Size) {
default: break;
case 1: Directive = MAI.getData8bitsDirective(AddrSpace); break;
case 2: Directive = MAI.getData16bitsDirective(AddrSpace); break;
case 4: Directive = MAI.getData32bitsDirective(AddrSpace); break;
case 8: Directive = MAI.getData64bitsDirective(AddrSpace); break;
}
assert(Directive && "Invalid size for machine code value!");
OS << Directive << truncateToSize(Value, Size) << '\n';
}
void MCAsmStreamer::EmitValue(const MCExpr *Value, unsigned Size,
unsigned AddrSpace) {
assert(CurSection && "Cannot emit contents before setting section!");
// Need target hooks to know how to print this.
const char *Directive = 0;
switch (Size) {
default: assert(0 && "Invalid size for machine code value!");
case 1: OS << MAI.getData8bitsDirective(AddrSpace); break;
case 2: OS << MAI.getData16bitsDirective(AddrSpace); break;
case 4: OS << MAI.getData32bitsDirective(AddrSpace); break;
case 8: OS << MAI.getData64bitsDirective(AddrSpace); break;
default: break;
case 1: Directive = MAI.getData8bitsDirective(AddrSpace); break;
case 2: Directive = MAI.getData16bitsDirective(AddrSpace); break;
case 4: Directive = MAI.getData32bitsDirective(AddrSpace); break;
case 8: Directive = MAI.getData64bitsDirective(AddrSpace); break;
}
OS << *truncateToSize(Value, Size) << '\n';
assert(Directive && "Invalid size for machine code value!");
OS << Directive << *truncateToSize(Value, Size) << '\n';
}
/// EmitFill - Emit NumBytes bytes worth of the value specified by

7
lib/MC/MCStreamer.cpp

@ -18,6 +18,13 @@ MCStreamer::MCStreamer(MCContext &_Context) : Context(_Context), CurSection(0) {
MCStreamer::~MCStreamer() {
}
/// EmitIntValue - Special case of EmitValue that avoids the client having to
/// pass in a MCExpr for constant integers.
void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size,
unsigned AddrSpace) {
EmitValue(MCConstantExpr::Create(Value, getContext()), Size, AddrSpace);
}
/// EmitFill - Emit NumBytes bytes worth of the value specified by
/// FillValue. This implements directives such as '.space'.
void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,