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This is the first of several patches for Mips direct object generation.

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This first patch is for expression variable kinds.

Patch by Jack Carter!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2011-10-25 18:13:20 +00:00
parent 02dc51806e
commit 3507d24547
3 changed files with 56 additions and 1 deletions
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18
include/llvm/MC/MCExpr.h
View File

@ -174,7 +174,23 @@ public:
VK_PPC_DARWIN_HA16, // ha16(symbol)
VK_PPC_DARWIN_LO16, // lo16(symbol)
VK_PPC_GAS_HA16, // symbol@ha
VK_PPC_GAS_LO16 // symbol@l
VK_PPC_GAS_LO16, // symbol@l
VK_Mips_None,
VK_Mips_GPREL,
VK_Mips_GOT_CALL,
VK_Mips_GOT,
VK_Mips_ABS_HI,
VK_Mips_ABS_LO,
VK_Mips_TLSGD,
VK_Mips_GOTTPREL,
VK_Mips_TPREL_HI,
VK_Mips_TPREL_LO,
VK_Mips_GPOFF_HI,
VK_Mips_GPOFF_LO,
VK_Mips_GOT_DISP,
VK_Mips_GOT_PAGE,
VK_Mips_GOT_OFST
};
private:

4
lib/MC/MCELFStreamer.cpp
View File

@ -308,6 +308,10 @@ void MCELFStreamer::fixSymbolsInTLSFixups(const MCExpr *expr) {
case MCSymbolRefExpr::VK_ARM_TLSGD:
case MCSymbolRefExpr::VK_ARM_TPOFF:
case MCSymbolRefExpr::VK_ARM_GOTTPOFF:
case MCSymbolRefExpr::VK_Mips_TLSGD:
case MCSymbolRefExpr::VK_Mips_GOTTPREL:
case MCSymbolRefExpr::VK_Mips_TPREL_HI:
case MCSymbolRefExpr::VK_Mips_TPREL_LO:
break;
}
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(symRef.getSymbol());

35
lib/MC/MCExpr.cpp
View File

@ -26,6 +26,38 @@ STATISTIC(MCExprEvaluate, "Number of MCExpr evaluations");
}
}
static bool printMipsSymbolRef(const MCSymbolRefExpr &SRE,
const MCSymbol &Sym, raw_ostream &OS) {
MCSymbolRefExpr::VariantKind Kind= SRE.getKind();
switch (Kind) {
default:
return false;
case MCSymbolRefExpr::VK_Mips_None: break;
case MCSymbolRefExpr::VK_Mips_GPREL: OS << "%gp_rel("; break;
case MCSymbolRefExpr::VK_Mips_GOT_CALL: OS << "%call16("; break;
case MCSymbolRefExpr::VK_Mips_GOT: OS << "%got("; break;
case MCSymbolRefExpr::VK_Mips_ABS_HI: OS << "%hi("; break;
case MCSymbolRefExpr::VK_Mips_ABS_LO: OS << "%lo("; break;
case MCSymbolRefExpr::VK_Mips_TLSGD: OS << "%tlsgd("; break;
case MCSymbolRefExpr::VK_Mips_GOTTPREL: OS << "%gottprel("; break;
case MCSymbolRefExpr::VK_Mips_TPREL_HI: OS << "%tprel_hi("; break;
case MCSymbolRefExpr::VK_Mips_TPREL_LO: OS << "%tprel_lo("; break;
case MCSymbolRefExpr::VK_Mips_GPOFF_HI: OS << "%hi(%neg(%gp_rel("; break;
case MCSymbolRefExpr::VK_Mips_GPOFF_LO: OS << "%lo(%neg(%gp_rel("; break;
case MCSymbolRefExpr::VK_Mips_GOT_DISP: OS << "%got_disp("; break;
case MCSymbolRefExpr::VK_Mips_GOT_PAGE: OS << "%got_page("; break;
case MCSymbolRefExpr::VK_Mips_GOT_OFST: OS << "%got_ofst("; break;
}
OS << Sym;
if (Kind != MCSymbolRefExpr::VK_Mips_None)
OS << ')';
return true;
}
void MCExpr::print(raw_ostream &OS) const {
switch (getKind()) {
case MCExpr::Target:
@ -41,6 +73,9 @@ void MCExpr::print(raw_ostream &OS) const {
// absolute names.
bool UseParens = Sym.getName()[0] == '$';
if (printMipsSymbolRef(SRE, Sym, OS))
return;
if (SRE.getKind() == MCSymbolRefExpr::VK_PPC_DARWIN_HA16 ||
SRE.getKind() == MCSymbolRefExpr::VK_PPC_DARWIN_LO16) {
OS << MCSymbolRefExpr::getVariantKindName(SRE.getKind());