More Mach-O writer improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34740 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMachOWriterInfo.cpp b/lib/Target/PowerPC/PPCMachOWriterInfo.cpp
index de3960d..5e2dc9e 100644
--- a/lib/Target/PowerPC/PPCMachOWriterInfo.cpp
+++ b/lib/Target/PowerPC/PPCMachOWriterInfo.cpp
@@ -35,13 +35,11 @@
unsigned ToIdx,
OutputBuffer &RelocOut,
OutputBuffer &SecOut,
- bool Scattered) const {
+ bool Scattered,
+ bool isExtern) const {
unsigned NumRelocs = 0;
uint64_t Addr = 0;
- // Keep track of whether or not this is an externally defined relocation.
- bool isExtern = false;
-
// Get the address of whatever it is we're relocating, if possible.
if (!isExtern)
Addr = (uintptr_t)MR.getResultPointer() + ToAddr;
@@ -83,12 +81,24 @@
break;
case PPC::reloc_pcrel_bx:
{
+ // FIXME: Presumably someday we will need to branch to other, non-extern
+ // functions too. Need to figure out some way to distinguish between
+ // target is BB and target is function.
+ if (isExtern) {
+ MachORelocation BR24(MR.getMachineCodeOffset(), ToIdx, true, 2,
+ isExtern, PPC_RELOC_BR24, Scattered,
+ (intptr_t)MR.getMachineCodeOffset());
+ RelocOut.outword(BR24.getAddress());
+ RelocOut.outword(BR24.getPackedFields());
+ ++NumRelocs;
+ }
+
Addr -= MR.getMachineCodeOffset();
Addr >>= 2;
Addr &= 0xFFFFFF;
Addr <<= 2;
Addr |= (SecOut[MR.getMachineCodeOffset()] << 24);
-
+ Addr |= (SecOut[MR.getMachineCodeOffset()+3] & 0x3);
SecOut.fixword(Addr, MR.getMachineCodeOffset());
break;
}
diff --git a/lib/Target/PowerPC/PPCMachOWriterInfo.h b/lib/Target/PowerPC/PPCMachOWriterInfo.h
index 2cd9efc..69ed9f7 100644
--- a/lib/Target/PowerPC/PPCMachOWriterInfo.h
+++ b/lib/Target/PowerPC/PPCMachOWriterInfo.h
@@ -34,7 +34,7 @@
unsigned ToIdx,
OutputBuffer &RelocOut,
OutputBuffer &SecOut,
- bool Scattered) const;
+ bool Scattered, bool Extern) const;
// Constants for the relocation r_type field.
// See <mach-o/ppc/reloc.h>