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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/lib/MC/MCSymbolELF.cpp
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/lib/MC/MCSymbolELF.cpp')
-rw-r--r--gnu/llvm/lib/MC/MCSymbolELF.cpp204
1 files changed, 0 insertions, 204 deletions
diff --git a/gnu/llvm/lib/MC/MCSymbolELF.cpp b/gnu/llvm/lib/MC/MCSymbolELF.cpp
deleted file mode 100644
index 12c724f6b1e..00000000000
--- a/gnu/llvm/lib/MC/MCSymbolELF.cpp
+++ /dev/null
@@ -1,204 +0,0 @@
-//===- lib/MC/MCSymbolELF.cpp ---------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCSymbolELF.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/MC/MCFixupKindInfo.h"
-
-namespace llvm {
-
-namespace {
-enum {
- // Shift value for STT_* flags. 7 possible values. 3 bits.
- ELF_STT_Shift = 0,
-
- // Shift value for STB_* flags. 4 possible values, 2 bits.
- ELF_STB_Shift = 3,
-
- // Shift value for STV_* flags. 4 possible values, 2 bits.
- ELF_STV_Shift = 5,
-
- // Shift value for STO_* flags. 3 bits. All the values are between 0x20 and
- // 0xe0, so we shift right by 5 before storing.
- ELF_STO_Shift = 7,
-
- // One bit.
- ELF_IsSignature_Shift = 10,
-
- // One bit.
- ELF_WeakrefUsedInReloc_Shift = 11,
-
- // One bit.
- ELF_BindingSet_Shift = 12
-};
-}
-
-void MCSymbolELF::setBinding(unsigned Binding) const {
- setIsBindingSet();
- if (getType() == ELF::STT_SECTION && Binding != ELF::STB_LOCAL)
- setType(ELF::STT_NOTYPE);
- unsigned Val;
- switch (Binding) {
- default:
- llvm_unreachable("Unsupported Binding");
- case ELF::STB_LOCAL:
- Val = 0;
- break;
- case ELF::STB_GLOBAL:
- Val = 1;
- break;
- case ELF::STB_WEAK:
- Val = 2;
- break;
- case ELF::STB_GNU_UNIQUE:
- Val = 3;
- break;
- }
- uint32_t OtherFlags = getFlags() & ~(0x3 << ELF_STB_Shift);
- setFlags(OtherFlags | (Val << ELF_STB_Shift));
-}
-
-unsigned MCSymbolELF::getBinding() const {
- if (isBindingSet()) {
- uint32_t Val = (getFlags() & (0x3 << ELF_STB_Shift)) >> ELF_STB_Shift;
- switch (Val) {
- default:
- llvm_unreachable("Invalid value");
- case 0:
- return ELF::STB_LOCAL;
- case 1:
- return ELF::STB_GLOBAL;
- case 2:
- return ELF::STB_WEAK;
- case 3:
- return ELF::STB_GNU_UNIQUE;
- }
- }
-
- if (isDefined())
- return ELF::STB_LOCAL;
- if (isUsedInReloc())
- return ELF::STB_GLOBAL;
- if (isWeakrefUsedInReloc())
- return ELF::STB_WEAK;
- if (isSignature())
- return ELF::STB_LOCAL;
- return ELF::STB_GLOBAL;
-}
-
-void MCSymbolELF::setType(unsigned Type) const {
- unsigned Val;
- if (Type == ELF::STT_SECTION && getBinding() != ELF::STB_LOCAL)
- return;
- switch (Type) {
- default:
- llvm_unreachable("Unsupported Binding");
- case ELF::STT_NOTYPE:
- Val = 0;
- break;
- case ELF::STT_OBJECT:
- Val = 1;
- break;
- case ELF::STT_FUNC:
- Val = 2;
- break;
- case ELF::STT_SECTION:
- Val = 3;
- break;
- case ELF::STT_COMMON:
- Val = 4;
- break;
- case ELF::STT_TLS:
- Val = 5;
- break;
- case ELF::STT_GNU_IFUNC:
- Val = 6;
- break;
- }
- uint32_t OtherFlags = getFlags() & ~(0x7 << ELF_STT_Shift);
- setFlags(OtherFlags | (Val << ELF_STT_Shift));
-}
-
-unsigned MCSymbolELF::getType() const {
- uint32_t Val = (getFlags() & (0x7 << ELF_STT_Shift)) >> ELF_STT_Shift;
- switch (Val) {
- default:
- llvm_unreachable("Invalid value");
- case 0:
- return ELF::STT_NOTYPE;
- case 1:
- return ELF::STT_OBJECT;
- case 2:
- return ELF::STT_FUNC;
- case 3:
- return ELF::STT_SECTION;
- case 4:
- return ELF::STT_COMMON;
- case 5:
- return ELF::STT_TLS;
- case 6:
- return ELF::STT_GNU_IFUNC;
- }
-}
-
-void MCSymbolELF::setVisibility(unsigned Visibility) {
- assert(Visibility == ELF::STV_DEFAULT || Visibility == ELF::STV_INTERNAL ||
- Visibility == ELF::STV_HIDDEN || Visibility == ELF::STV_PROTECTED);
-
- uint32_t OtherFlags = getFlags() & ~(0x3 << ELF_STV_Shift);
- setFlags(OtherFlags | (Visibility << ELF_STV_Shift));
-}
-
-unsigned MCSymbolELF::getVisibility() const {
- unsigned Visibility = (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;
-}
-
-void MCSymbolELF::setOther(unsigned Other) {
- assert((Other & 0x1f) == 0);
- Other >>= 5;
- assert(Other <= 0x7);
- uint32_t OtherFlags = getFlags() & ~(0x7 << ELF_STO_Shift);
- setFlags(OtherFlags | (Other << ELF_STO_Shift));
-}
-
-unsigned MCSymbolELF::getOther() const {
- unsigned Other = (getFlags() & (0x7 << ELF_STO_Shift)) >> ELF_STO_Shift;
- return Other << 5;
-}
-
-void MCSymbolELF::setIsWeakrefUsedInReloc() const {
- uint32_t OtherFlags = getFlags() & ~(0x1 << ELF_WeakrefUsedInReloc_Shift);
- setFlags(OtherFlags | (1 << ELF_WeakrefUsedInReloc_Shift));
-}
-
-bool MCSymbolELF::isWeakrefUsedInReloc() const {
- return getFlags() & (0x1 << ELF_WeakrefUsedInReloc_Shift);
-}
-
-void MCSymbolELF::setIsSignature() const {
- uint32_t OtherFlags = getFlags() & ~(0x1 << ELF_IsSignature_Shift);
- setFlags(OtherFlags | (1 << ELF_IsSignature_Shift));
-}
-
-bool MCSymbolELF::isSignature() const {
- return getFlags() & (0x1 << ELF_IsSignature_Shift);
-}
-
-void MCSymbolELF::setIsBindingSet() const {
- uint32_t OtherFlags = getFlags() & ~(0x1 << ELF_BindingSet_Shift);
- setFlags(OtherFlags | (1 << ELF_BindingSet_Shift));
-}
-
-bool MCSymbolELF::isBindingSet() const {
- return getFlags() & (0x1 << ELF_BindingSet_Shift);
-}
-}