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Adding acessors to COFFObjectFile so that clients can get at the (non-generic) bits

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158484 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2012-06-15 01:08:25 +00:00
parent 6399b7c510
commit d4d03e09d3
2 changed files with 36 additions and 0 deletions
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5
include/llvm/Object/COFF.h
View File

@ -168,6 +168,9 @@ public:
virtual section_iterator begin_sections() const;
virtual section_iterator end_sections() const;
const coff_section *getCOFFSection(section_iterator &It) const;
const coff_symbol *getCOFFSymbol(symbol_iterator &It) const;
virtual uint8_t getBytesInAddress() const;
virtual StringRef getFileFormatName() const;
virtual unsigned getArch() const;
@ -184,6 +187,8 @@ public:
return ec;
}
error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
ArrayRef<uint8_t> getSymbolAuxData(const coff_symbol *symbol) const;
error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
error_code getSectionContents(const coff_section *Sec,
ArrayRef<uint8_t> &Res) const;

31
lib/Object/COFFObjectFile.cpp
View File

@ -622,6 +622,28 @@ error_code COFFObjectFile::getSymbolName(const coff_symbol *symbol,
return object_error::success;
}
ArrayRef<uint8_t> COFFObjectFile::getSymbolAuxData(
const coff_symbol *symbol) const {
const uint8_t *aux = NULL;
if ( symbol->NumberOfAuxSymbols > 0 ) {
// AUX data comes immediately after the symbol in COFF
aux = reinterpret_cast<const uint8_t *>(symbol + 1);
# ifndef NDEBUG
// Verify that the aux symbol points to a valid entry in the symbol table.
uintptr_t offset = uintptr_t(aux) - uintptr_t(base());
if (offset < Header->PointerToSymbolTable
|| offset >= Header->PointerToSymbolTable
+ (Header->NumberOfSymbols * sizeof(coff_symbol)))
report_fatal_error("Aux Symbol data was outside of symbol table.");
assert((offset - Header->PointerToSymbolTable) % sizeof(coff_symbol)
== 0 && "Aux Symbol data did not point to the beginning of a symbol");
}
# endif
return ArrayRef<uint8_t>(aux, symbol->NumberOfAuxSymbols * sizeof(coff_symbol));
}
error_code COFFObjectFile::getSectionName(const coff_section *Sec,
StringRef &Res) const {
StringRef Name;
@ -694,6 +716,15 @@ error_code COFFObjectFile::getRelocationType(DataRefImpl Rel,
return object_error::success;
}
const coff_section *COFFObjectFile::getCOFFSection(section_iterator &It) const {
return toSec(It->getRawDataRefImpl());
}
const coff_symbol *COFFObjectFile::getCOFFSymbol(symbol_iterator &It) const {
return toSymb(It->getRawDataRefImpl());
}
#define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(enum) \
case COFF::enum: res = #enum; break;