mirror of
https://github.com/RPCS3/llvm-mirror.git
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9a78f28e7e
This patch implements the dwarfdump option --find=<name>. This option looks for a DIE in the accelerator tables and dumps it if found. This initial patch only adds support for .apple_names to keep the review small, adding the other sections and pubnames support should be trivial though. Differential Revision: https://reviews.llvm.org/D38282 llvm-svn: 314439
585 lines
17 KiB
C++
585 lines
17 KiB
C++
//===-- llvm/BinaryFormat/Dwarf.cpp - Dwarf Framework ------------*- C++-*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains support for generic dwarf information.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/BinaryFormat/Dwarf.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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using namespace dwarf;
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StringRef llvm::dwarf::TagString(unsigned Tag) {
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switch (Tag) {
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default:
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return StringRef();
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#define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
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case DW_TAG_##NAME: \
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return "DW_TAG_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::getTag(StringRef TagString) {
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return StringSwitch<unsigned>(TagString)
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#define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
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.Case("DW_TAG_" #NAME, DW_TAG_##NAME)
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#include "llvm/BinaryFormat/Dwarf.def"
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.Default(DW_TAG_invalid);
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}
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unsigned llvm::dwarf::TagVersion(dwarf::Tag Tag) {
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switch (Tag) {
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default:
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return 0;
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#define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
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case DW_TAG_##NAME: \
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return VERSION;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::TagVendor(dwarf::Tag Tag) {
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switch (Tag) {
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default:
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return 0;
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#define HANDLE_DW_TAG(ID, NAME, VERSION, VENDOR) \
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case DW_TAG_##NAME: \
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return DWARF_VENDOR_##VENDOR;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::ChildrenString(unsigned Children) {
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switch (Children) {
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case DW_CHILDREN_no:
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return "DW_CHILDREN_no";
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case DW_CHILDREN_yes:
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return "DW_CHILDREN_yes";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::AttributeString(unsigned Attribute) {
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switch (Attribute) {
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default:
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return StringRef();
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#define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) \
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case DW_AT_##NAME: \
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return "DW_AT_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::AttributeVersion(dwarf::Attribute Attribute) {
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switch (Attribute) {
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default:
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return 0;
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#define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) \
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case DW_AT_##NAME: \
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return VERSION;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::AttributeVendor(dwarf::Attribute Attribute) {
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switch (Attribute) {
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default:
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return 0;
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#define HANDLE_DW_AT(ID, NAME, VERSION, VENDOR) \
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case DW_AT_##NAME: \
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return DWARF_VENDOR_##VENDOR;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::FormEncodingString(unsigned Encoding) {
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switch (Encoding) {
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default:
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return StringRef();
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#define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) \
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case DW_FORM_##NAME: \
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return "DW_FORM_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::FormVersion(dwarf::Form Form) {
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switch (Form) {
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default:
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return 0;
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#define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) \
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case DW_FORM_##NAME: \
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return VERSION;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::FormVendor(dwarf::Form Form) {
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switch (Form) {
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default:
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return 0;
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#define HANDLE_DW_FORM(ID, NAME, VERSION, VENDOR) \
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case DW_FORM_##NAME: \
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return DWARF_VENDOR_##VENDOR;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::OperationEncodingString(unsigned Encoding) {
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switch (Encoding) {
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default:
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return StringRef();
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#define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
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case DW_OP_##NAME: \
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return "DW_OP_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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case DW_OP_LLVM_fragment:
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return "DW_OP_LLVM_fragment";
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}
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}
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unsigned llvm::dwarf::getOperationEncoding(StringRef OperationEncodingString) {
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return StringSwitch<unsigned>(OperationEncodingString)
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#define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
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.Case("DW_OP_" #NAME, DW_OP_##NAME)
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#include "llvm/BinaryFormat/Dwarf.def"
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.Case("DW_OP_LLVM_fragment", DW_OP_LLVM_fragment)
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.Default(0);
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}
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unsigned llvm::dwarf::OperationVersion(dwarf::LocationAtom Op) {
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switch (Op) {
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default:
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return 0;
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#define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
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case DW_OP_##NAME: \
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return VERSION;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::OperationVendor(dwarf::LocationAtom Op) {
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switch (Op) {
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default:
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return 0;
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#define HANDLE_DW_OP(ID, NAME, VERSION, VENDOR) \
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case DW_OP_##NAME: \
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return DWARF_VENDOR_##VENDOR;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
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switch (Encoding) {
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default:
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return StringRef();
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#define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
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case DW_ATE_##NAME: \
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return "DW_ATE_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::getAttributeEncoding(StringRef EncodingString) {
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return StringSwitch<unsigned>(EncodingString)
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#define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
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.Case("DW_ATE_" #NAME, DW_ATE_##NAME)
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#include "llvm/BinaryFormat/Dwarf.def"
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.Default(0);
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}
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unsigned llvm::dwarf::AttributeEncodingVersion(dwarf::TypeKind ATE) {
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switch (ATE) {
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default:
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return 0;
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#define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
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case DW_ATE_##NAME: \
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return VERSION;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::AttributeEncodingVendor(dwarf::TypeKind ATE) {
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switch (ATE) {
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default:
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return 0;
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#define HANDLE_DW_ATE(ID, NAME, VERSION, VENDOR) \
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case DW_ATE_##NAME: \
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return DWARF_VENDOR_##VENDOR;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::DecimalSignString(unsigned Sign) {
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switch (Sign) {
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case DW_DS_unsigned:
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return "DW_DS_unsigned";
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case DW_DS_leading_overpunch:
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return "DW_DS_leading_overpunch";
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case DW_DS_trailing_overpunch:
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return "DW_DS_trailing_overpunch";
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case DW_DS_leading_separate:
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return "DW_DS_leading_separate";
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case DW_DS_trailing_separate:
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return "DW_DS_trailing_separate";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::EndianityString(unsigned Endian) {
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switch (Endian) {
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case DW_END_default:
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return "DW_END_default";
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case DW_END_big:
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return "DW_END_big";
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case DW_END_little:
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return "DW_END_little";
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case DW_END_lo_user:
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return "DW_END_lo_user";
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case DW_END_hi_user:
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return "DW_END_hi_user";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::AccessibilityString(unsigned Access) {
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switch (Access) {
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// Accessibility codes
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case DW_ACCESS_public:
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return "DW_ACCESS_public";
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case DW_ACCESS_protected:
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return "DW_ACCESS_protected";
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case DW_ACCESS_private:
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return "DW_ACCESS_private";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::VisibilityString(unsigned Visibility) {
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switch (Visibility) {
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case DW_VIS_local:
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return "DW_VIS_local";
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case DW_VIS_exported:
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return "DW_VIS_exported";
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case DW_VIS_qualified:
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return "DW_VIS_qualified";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::VirtualityString(unsigned Virtuality) {
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switch (Virtuality) {
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default:
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return StringRef();
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#define HANDLE_DW_VIRTUALITY(ID, NAME) \
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case DW_VIRTUALITY_##NAME: \
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return "DW_VIRTUALITY_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::getVirtuality(StringRef VirtualityString) {
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return StringSwitch<unsigned>(VirtualityString)
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#define HANDLE_DW_VIRTUALITY(ID, NAME) \
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.Case("DW_VIRTUALITY_" #NAME, DW_VIRTUALITY_##NAME)
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#include "llvm/BinaryFormat/Dwarf.def"
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.Default(DW_VIRTUALITY_invalid);
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}
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StringRef llvm::dwarf::LanguageString(unsigned Language) {
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switch (Language) {
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default:
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return StringRef();
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#define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
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case DW_LANG_##NAME: \
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return "DW_LANG_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::getLanguage(StringRef LanguageString) {
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return StringSwitch<unsigned>(LanguageString)
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#define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
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.Case("DW_LANG_" #NAME, DW_LANG_##NAME)
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#include "llvm/BinaryFormat/Dwarf.def"
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.Default(0);
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}
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unsigned llvm::dwarf::LanguageVersion(dwarf::SourceLanguage Lang) {
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switch (Lang) {
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default:
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return 0;
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#define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
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case DW_LANG_##NAME: \
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return VERSION;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::LanguageVendor(dwarf::SourceLanguage Lang) {
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switch (Lang) {
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default:
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return 0;
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#define HANDLE_DW_LANG(ID, NAME, VERSION, VENDOR) \
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case DW_LANG_##NAME: \
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return DWARF_VENDOR_##VENDOR;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::CaseString(unsigned Case) {
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switch (Case) {
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case DW_ID_case_sensitive:
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return "DW_ID_case_sensitive";
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case DW_ID_up_case:
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return "DW_ID_up_case";
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case DW_ID_down_case:
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return "DW_ID_down_case";
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case DW_ID_case_insensitive:
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return "DW_ID_case_insensitive";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::ConventionString(unsigned CC) {
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switch (CC) {
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default:
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return StringRef();
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#define HANDLE_DW_CC(ID, NAME) \
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case DW_CC_##NAME: \
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return "DW_CC_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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unsigned llvm::dwarf::getCallingConvention(StringRef CCString) {
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return StringSwitch<unsigned>(CCString)
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#define HANDLE_DW_CC(ID, NAME) .Case("DW_CC_" #NAME, DW_CC_##NAME)
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#include "llvm/BinaryFormat/Dwarf.def"
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.Default(0);
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}
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StringRef llvm::dwarf::InlineCodeString(unsigned Code) {
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switch (Code) {
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case DW_INL_not_inlined:
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return "DW_INL_not_inlined";
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case DW_INL_inlined:
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return "DW_INL_inlined";
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case DW_INL_declared_not_inlined:
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return "DW_INL_declared_not_inlined";
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case DW_INL_declared_inlined:
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return "DW_INL_declared_inlined";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::ArrayOrderString(unsigned Order) {
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switch (Order) {
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case DW_ORD_row_major:
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return "DW_ORD_row_major";
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case DW_ORD_col_major:
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return "DW_ORD_col_major";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::DiscriminantString(unsigned Discriminant) {
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switch (Discriminant) {
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case DW_DSC_label:
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return "DW_DSC_label";
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case DW_DSC_range:
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return "DW_DSC_range";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::LNStandardString(unsigned Standard) {
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switch (Standard) {
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default:
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return StringRef();
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#define HANDLE_DW_LNS(ID, NAME) \
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case DW_LNS_##NAME: \
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return "DW_LNS_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::LNExtendedString(unsigned Encoding) {
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switch (Encoding) {
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default:
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return StringRef();
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#define HANDLE_DW_LNE(ID, NAME) \
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case DW_LNE_##NAME: \
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return "DW_LNE_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::MacinfoString(unsigned Encoding) {
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switch (Encoding) {
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// Macinfo Type Encodings
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case DW_MACINFO_define:
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return "DW_MACINFO_define";
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case DW_MACINFO_undef:
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return "DW_MACINFO_undef";
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case DW_MACINFO_start_file:
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return "DW_MACINFO_start_file";
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case DW_MACINFO_end_file:
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return "DW_MACINFO_end_file";
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case DW_MACINFO_vendor_ext:
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return "DW_MACINFO_vendor_ext";
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case DW_MACINFO_invalid:
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return "DW_MACINFO_invalid";
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}
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return StringRef();
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}
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unsigned llvm::dwarf::getMacinfo(StringRef MacinfoString) {
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return StringSwitch<unsigned>(MacinfoString)
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.Case("DW_MACINFO_define", DW_MACINFO_define)
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.Case("DW_MACINFO_undef", DW_MACINFO_undef)
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.Case("DW_MACINFO_start_file", DW_MACINFO_start_file)
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.Case("DW_MACINFO_end_file", DW_MACINFO_end_file)
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.Case("DW_MACINFO_vendor_ext", DW_MACINFO_vendor_ext)
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.Default(DW_MACINFO_invalid);
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}
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StringRef llvm::dwarf::CallFrameString(unsigned Encoding) {
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switch (Encoding) {
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default:
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return StringRef();
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#define HANDLE_DW_CFA(ID, NAME) \
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case DW_CFA_##NAME: \
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return "DW_CFA_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::ApplePropertyString(unsigned Prop) {
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switch (Prop) {
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default:
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return StringRef();
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#define HANDLE_DW_APPLE_PROPERTY(ID, NAME) \
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case DW_APPLE_PROPERTY_##NAME: \
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return "DW_APPLE_PROPERTY_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::UnitTypeString(unsigned UT) {
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switch (UT) {
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default:
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return StringRef();
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#define HANDLE_DW_UT(ID, NAME) \
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case DW_UT_##NAME: \
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return "DW_UT_" #NAME;
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#include "llvm/BinaryFormat/Dwarf.def"
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}
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}
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StringRef llvm::dwarf::AtomTypeString(unsigned AT) {
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switch (AT) {
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case dwarf::DW_ATOM_null:
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return "DW_ATOM_null";
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case dwarf::DW_ATOM_die_offset:
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return "DW_ATOM_die_offset";
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case DW_ATOM_cu_offset:
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return "DW_ATOM_cu_offset";
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case DW_ATOM_die_tag:
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return "DW_ATOM_die_tag";
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case DW_ATOM_type_flags:
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return "DW_ATOM_type_flags";
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}
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return StringRef();
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}
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StringRef llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
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switch (Kind) {
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case GIEK_NONE:
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return "NONE";
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case GIEK_TYPE:
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return "TYPE";
|
|
case GIEK_VARIABLE:
|
|
return "VARIABLE";
|
|
case GIEK_FUNCTION:
|
|
return "FUNCTION";
|
|
case GIEK_OTHER:
|
|
return "OTHER";
|
|
case GIEK_UNUSED5:
|
|
return "UNUSED5";
|
|
case GIEK_UNUSED6:
|
|
return "UNUSED6";
|
|
case GIEK_UNUSED7:
|
|
return "UNUSED7";
|
|
}
|
|
llvm_unreachable("Unknown GDBIndexEntryKind value");
|
|
}
|
|
|
|
StringRef
|
|
llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
|
|
switch (Linkage) {
|
|
case GIEL_EXTERNAL:
|
|
return "EXTERNAL";
|
|
case GIEL_STATIC:
|
|
return "STATIC";
|
|
}
|
|
llvm_unreachable("Unknown GDBIndexEntryLinkage value");
|
|
}
|
|
|
|
StringRef llvm::dwarf::AttributeValueString(uint16_t Attr, unsigned Val) {
|
|
switch (Attr) {
|
|
case DW_AT_accessibility:
|
|
return AccessibilityString(Val);
|
|
case DW_AT_virtuality:
|
|
return VirtualityString(Val);
|
|
case DW_AT_language:
|
|
return LanguageString(Val);
|
|
case DW_AT_encoding:
|
|
return AttributeEncodingString(Val);
|
|
case DW_AT_decimal_sign:
|
|
return DecimalSignString(Val);
|
|
case DW_AT_endianity:
|
|
return EndianityString(Val);
|
|
case DW_AT_visibility:
|
|
return VisibilityString(Val);
|
|
case DW_AT_identifier_case:
|
|
return CaseString(Val);
|
|
case DW_AT_calling_convention:
|
|
return ConventionString(Val);
|
|
case DW_AT_inline:
|
|
return InlineCodeString(Val);
|
|
case DW_AT_ordering:
|
|
return ArrayOrderString(Val);
|
|
case DW_AT_discr_value:
|
|
return DiscriminantString(Val);
|
|
}
|
|
|
|
return StringRef();
|
|
}
|
|
|
|
bool llvm::dwarf::isValidFormForVersion(Form F, unsigned Version,
|
|
bool ExtensionsOk) {
|
|
if (FormVendor(F) == DWARF_VENDOR_DWARF) {
|
|
unsigned FV = FormVersion(F);
|
|
return FV > 0 && FV <= Version;
|
|
}
|
|
return ExtensionsOk;
|
|
}
|
|
|
|
uint32_t llvm::dwarf::djbHash(StringRef Buffer) {
|
|
uint32_t H = 5381;
|
|
for (char C : Buffer.bytes())
|
|
H = ((H << 5) + H) + C;
|
|
return H;
|
|
}
|