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ARM/MC/ELF TPsoft is now a proper pseudo inst.

Browse Source 
Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM
as well as ELF/OBJ (including fixup)

Also added support for ELF::R_ARM_TLS_IE32



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121312 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jason W Kim
2010-12-08 23:14:44 +00:00
parent 7685ff84ad
commit a0871e7927
4 changed files with 83 additions and 9 deletions
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18
lib/MC/ELFObjectWriter.cpp
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@ -1533,6 +1533,7 @@ unsigned ARMELFObjectWriter::GetRelocType(const MCValue &Target,
MCSymbolRefExpr::VariantKind Modifier = Target.isAbsolute() ?
MCSymbolRefExpr::VK_None : Target.getSymA()->getKind();
unsigned Type = 0;
if (IsPCRel) {
switch (Modifier) {
default: assert(0 && "Unimplemented Modifier");
@ -1540,11 +1541,17 @@ unsigned ARMELFObjectWriter::GetRelocType(const MCValue &Target,
}
switch ((unsigned)Fixup.getKind()) {
default: assert(0 && "Unimplemented");
case ARM::fixup_arm_branch: return ELF::R_ARM_CALL; break;
case ARM::fixup_arm_branch: Type = ELF::R_ARM_CALL; break;
}
} else {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
case FK_Data_4:
switch (Modifier) {
default: llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_ARM_GOTTPOFF:
Type = ELF::R_ARM_TLS_IE32;
} break;
case ARM::fixup_arm_ldst_pcrel_12:
case ARM::fixup_arm_pcrel_10:
case ARM::fixup_arm_adr_pcrel_12:
@ -1553,17 +1560,18 @@ unsigned ARMELFObjectWriter::GetRelocType(const MCValue &Target,
case ARM::fixup_arm_thumb_cp:
assert(0 && "Unimplemented"); break;
case ARM::fixup_arm_branch:
return ELF::R_ARM_CALL; break;
Type = ELF::R_ARM_CALL; break;
case ARM::fixup_arm_movt_hi16:
return ELF::R_ARM_MOVT_ABS; break;
Type = ELF::R_ARM_MOVT_ABS; break;
case ARM::fixup_arm_movw_lo16:
return ELF::R_ARM_MOVW_ABS_NC; break;
Type = ELF::R_ARM_MOVW_ABS_NC; break;
}
}
if (RelocNeedsGOT(Modifier))
NeedsGOT = true;
return -1;
return Type;
}
//===- MBlazeELFObjectWriter -------------------------------------------===//