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Define and handle additional fixup kinds. By Adhemerval Zanella.

Browse Source 
llvm-svn: 162037
This commit is contained in:
Roman Divacky 2012-08-16 18:37:52 +00:00
parent 0d2b6fefbe
commit 831ddb548a
2 changed files with 20 additions and 1 deletions
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11
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_2:
case FK_Data_4:
case FK_Data_8:
case PPC::fixup_ppc_toc:
return Value;
case PPC::fixup_ppc_lo14:
case PPC::fixup_ppc_toc16_ds:
return (Value & 0xffff) >> 2;
case PPC::fixup_ppc_brcond14:
return Value & 0x3ffc;
case PPC::fixup_ppc_br24:
@ -40,6 +45,7 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
#endif
case PPC::fixup_ppc_ha16:
return ((Value >> 16) + ((Value & 0x8000) ? 1 : 0)) & 0xffff;
case PPC::fixup_ppc_toc16:
case PPC::fixup_ppc_lo16:
return Value & 0xffff;
}
@ -72,7 +78,10 @@ public:
{ "fixup_ppc_brcond14", 16, 14, MCFixupKindInfo::FKF_IsPCRel },
{ "fixup_ppc_lo16", 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)

10
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
/// like 'std'.
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
LastTargetFixupKind,