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Define and handle additional fixup kinds. By Adhemerval Zanella. 

llvm-svn: 162037
This commit is contained in:
Roman Divacky 2012-08-16 18:37:52 +00:00
parent 5ad9659688
commit 9d38fc8ddc
2 changed files with 20 additions and 1 deletions
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11
llvm/lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp
View File

@ -29,7 +29,12 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
case FK_Data_1: case FK_Data_1:
case FK_Data_2: case FK_Data_2:
case FK_Data_4: case FK_Data_4:
case FK_Data_8:
case PPC::fixup_ppc_toc:
return Value; return Value;
case PPC::fixup_ppc_lo14:
case PPC::fixup_ppc_toc16_ds:
return (Value & 0xffff) >> 2;
case PPC::fixup_ppc_brcond14: case PPC::fixup_ppc_brcond14:
return Value & 0x3ffc; return Value & 0x3ffc;
case PPC::fixup_ppc_br24: case PPC::fixup_ppc_br24:
@ -40,6 +45,7 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
#endif #endif
case PPC::fixup_ppc_ha16: case PPC::fixup_ppc_ha16:
return ((Value >> 16) + ((Value & 0x8000) ? 1 : 0)) & 0xffff; return ((Value >> 16) + ((Value & 0x8000) ? 1 : 0)) & 0xffff;
case PPC::fixup_ppc_toc16:
case PPC::fixup_ppc_lo16: case PPC::fixup_ppc_lo16:
return Value & 0xffff; return Value & 0xffff;
} }
@ -72,7 +78,10 @@ public:
{ "fixup_ppc_brcond14", 16, 14, MCFixupKindInfo::FKF_IsPCRel }, { "fixup_ppc_brcond14", 16, 14, MCFixupKindInfo::FKF_IsPCRel },
{ "fixup_ppc_lo16", 16, 16, 0 }, { "fixup_ppc_lo16", 16, 16, 0 },
{ "fixup_ppc_ha16", 16, 16, 0 }, { "fixup_ppc_ha16", 16, 16, 0 },
{ "fixup_ppc_lo14", 16, 14, 0 } { "fixup_ppc_lo14", 16, 14, 0 },
{ "fixup_ppc_toc", 0, 64, 0 },
{ "fixup_ppc_toc16", 16, 16, 0 },
{ "fixup_ppc_toc16_ds", 16, 14, 0 }
}; };
if (Kind < FirstTargetFixupKind) if (Kind < FirstTargetFixupKind)

10
llvm/lib/Target/PowerPC/MCTargetDesc/PPCFixupKinds.h
View File

@ -34,6 +34,16 @@ enum Fixups {
/// fixup_ppc_lo14 - A 14-bit fixup corresponding to lo16(_foo) for instrs /// fixup_ppc_lo14 - A 14-bit fixup corresponding to lo16(_foo) for instrs
/// like 'std'. /// like 'std'.
fixup_ppc_lo14, fixup_ppc_lo14,
/// fixup_ppc_toc - Insert value of TOC base (.TOC.).
fixup_ppc_toc,
/// fixup_ppc_toc16 - A 16-bit signed fixup relative to the TOC base.
fixup_ppc_toc16,
/// fixup_ppc_toc16_ds - A 14-bit signed fixup relative to the TOC base with
/// implied 2 zero bits.
fixup_ppc_toc16_ds,
// Marker // Marker
LastTargetFixupKind, LastTargetFixupKind,