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initial draft of PPCMachObjectWriter.cpp

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this records relocation entries in the mach-o object file
for PIC code generation.
tested on powerpc-darwin8, validated against darwin otool -rvV

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188004 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Fang
2013-08-08 20:14:40 +00:00
parent 783a0387c5
commit d4f9d05fde
7 changed files with 502 additions and 22 deletions
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7
lib/Object/MachOObjectFile.cpp
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@ -1059,7 +1059,8 @@ MachOObjectFile::getRelocationValueString(DataRefImpl Rel,
break;
}
// X86 and ARM share some relocation types in common.
} else if (Arch == Triple::x86 || Arch == Triple::arm) {
} else if (Arch == Triple::x86 || Arch == Triple::arm ||
Arch == Triple::ppc) {
// Generic relocation types...
switch (Type) {
case macho::RIT_Pair: // GENERIC_RELOC_PAIR - prints no info
@ -1084,7 +1085,7 @@ MachOObjectFile::getRelocationValueString(DataRefImpl Rel,
}
}
if (Arch == Triple::x86) {
if (Arch == Triple::x86 || Arch == Triple::ppc) {
// All X86 relocations that need special printing were already
// handled in the generic code.
switch (Type) {
@ -1177,7 +1178,7 @@ MachOObjectFile::getRelocationHidden(DataRefImpl Rel, bool &Result) const {
// On arches that use the generic relocations, GENERIC_RELOC_PAIR
// is always hidden.
if (Arch == Triple::x86 || Arch == Triple::arm) {
if (Arch == Triple::x86 || Arch == Triple::arm || Arch == Triple::ppc) {
if (Type == macho::RIT_Pair) Result = true;
} else if (Arch == Triple::x86_64) {
// On x86_64, X86_64_RELOC_UNSIGNED is hidden only when it follows