mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 19:12:56 +02:00
2dbbd221f7
Before this patch, when you objdump an LLVM-compiled file, objdump tried to decode data-in-code sections as if they were code. This patch adds the missing Mapping Symbols, as defined by "ELF for the ARM Architecture" (ARM IHI 0044D). Patch based on work by Greg Fitzgerald. llvm-svn: 169609
72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
//===- lib/MC/MCELF.cpp - MC ELF ------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements ELF object file writer information.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/MC/MCELF.h"
|
|
#include "llvm/MC/MCAssembler.h"
|
|
#include "llvm/MC/MCELFSymbolFlags.h"
|
|
#include "llvm/MC/MCFixupKindInfo.h"
|
|
#include "llvm/Support/ELF.h"
|
|
|
|
namespace llvm {
|
|
|
|
void MCELF::SetBinding(MCSymbolData &SD, unsigned Binding) {
|
|
assert(Binding == ELF::STB_LOCAL || Binding == ELF::STB_GLOBAL ||
|
|
Binding == ELF::STB_WEAK);
|
|
uint32_t OtherFlags = SD.getFlags() & ~(0xf << ELF_STB_Shift);
|
|
SD.setFlags(OtherFlags | (Binding << ELF_STB_Shift));
|
|
}
|
|
|
|
unsigned MCELF::GetBinding(const MCSymbolData &SD) {
|
|
uint32_t Binding = (SD.getFlags() & (0xf << ELF_STB_Shift)) >> ELF_STB_Shift;
|
|
assert(Binding == ELF::STB_LOCAL || Binding == ELF::STB_GLOBAL ||
|
|
Binding == ELF::STB_WEAK);
|
|
return Binding;
|
|
}
|
|
|
|
void MCELF::SetType(MCSymbolData &SD, unsigned Type) {
|
|
assert(Type == ELF::STT_NOTYPE || Type == ELF::STT_OBJECT ||
|
|
Type == ELF::STT_FUNC || Type == ELF::STT_SECTION ||
|
|
Type == ELF::STT_FILE || Type == ELF::STT_COMMON ||
|
|
Type == ELF::STT_TLS || Type == ELF::STT_GNU_IFUNC);
|
|
|
|
uint32_t OtherFlags = SD.getFlags() & ~(0xf << ELF_STT_Shift);
|
|
SD.setFlags(OtherFlags | (Type << ELF_STT_Shift));
|
|
}
|
|
|
|
unsigned MCELF::GetType(const MCSymbolData &SD) {
|
|
uint32_t Type = (SD.getFlags() & (0xf << ELF_STT_Shift)) >> ELF_STT_Shift;
|
|
assert(Type == ELF::STT_NOTYPE || Type == ELF::STT_OBJECT ||
|
|
Type == ELF::STT_FUNC || Type == ELF::STT_SECTION ||
|
|
Type == ELF::STT_FILE || Type == ELF::STT_COMMON ||
|
|
Type == ELF::STT_TLS || Type == ELF::STT_GNU_IFUNC);
|
|
return Type;
|
|
}
|
|
|
|
void MCELF::SetVisibility(MCSymbolData &SD, unsigned Visibility) {
|
|
assert(Visibility == ELF::STV_DEFAULT || Visibility == ELF::STV_INTERNAL ||
|
|
Visibility == ELF::STV_HIDDEN || Visibility == ELF::STV_PROTECTED);
|
|
|
|
uint32_t OtherFlags = SD.getFlags() & ~(0x3 << ELF_STV_Shift);
|
|
SD.setFlags(OtherFlags | (Visibility << ELF_STV_Shift));
|
|
}
|
|
|
|
unsigned MCELF::GetVisibility(MCSymbolData &SD) {
|
|
unsigned Visibility =
|
|
(SD.getFlags() & (0x3 << ELF_STV_Shift)) >> ELF_STV_Shift;
|
|
assert(Visibility == ELF::STV_DEFAULT || Visibility == ELF::STV_INTERNAL ||
|
|
Visibility == ELF::STV_HIDDEN || Visibility == ELF::STV_PROTECTED);
|
|
return Visibility;
|
|
}
|
|
|
|
}
|