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* binary.cc (Binary_to_elf::sized_convert): Don't crash if the

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binary input file is empty.
This commit is contained in:
Ian Lance Taylor
2011-05-29 17:17:39 +00:00
parent b3c88224d5
commit 69d53f7ae0
2 changed files with 17 additions and 5 deletions
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17
gold/binary.cc
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@@ -132,7 +132,11 @@ Binary_to_elf::sized_convert(const Task* task)
}
section_size_type filesize = convert_to_section_size_type(f.filesize());
const unsigned char* fileview = f.get_view(0, 0, filesize, false, false);
const unsigned char* fileview;
if (filesize == 0)
fileview = NULL;
else
fileview = f.get_view(0, 0, filesize, false, false);
unsigned int align;
if (size == 32)
@@ -223,10 +227,13 @@ Binary_to_elf::sized_convert(const Task* task)
shstrtab.get_strtab_size(),
0, 0, 1, 0, &pout);
memcpy(pout, fileview, filesize);
pout += filesize;
memset(pout, 0, aligned_filesize - filesize);
pout += aligned_filesize - filesize;
if (filesize > 0)
{
memcpy(pout, fileview, filesize);
pout += filesize;
memset(pout, 0, aligned_filesize - filesize);
pout += aligned_filesize - filesize;
}
this->write_symbol<size, big_endian>("", &strtab, 0, 0, &pout);
this->write_symbol<size, big_endian>(start_symbol_name, &strtab, 0, 1,