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PR 11084

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* dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
	dynamic symbol table, use the normal symbol table.
	(Sized_dynobj::do_read_symbols): Remove assertion about type of
	symbol table.
This commit is contained in:
Ian Lance Taylor 2010-01-08 21:24:44 +00:00
parent 6b7dd3f3b1
commit abecea76bc
2 changed files with 31 additions and 1 deletions
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8
gold/ChangeLog
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@ -1,3 +1,11 @@
2010-01-08 Ian Lance Taylor <iant@google.com>
PR 11084
* dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
dynamic symbol table, use the normal symbol table.
(Sized_dynobj::do_read_symbols): Remove assertion about type of
symbol table.
2010-01-08 Ian Lance Taylor <iant@google.com>
PR 11072

24
gold/dynobj.cc
View File

@ -106,6 +106,7 @@ Sized_dynobj<size, big_endian>::find_dynsym_sections(
*pverneed_shndx = -1U;
*pdynamic_shndx = -1U;
unsigned int symtab_shndx = 0;
unsigned int xindex_shndx = 0;
unsigned int xindex_link = 0;
const unsigned int shnum = this->shnum();
@ -128,6 +129,9 @@ Sized_dynobj<size, big_endian>::find_dynsym_sections(
}
pi = NULL;
break;
case elfcpp::SHT_SYMTAB:
symtab_shndx = i;
break;
case elfcpp::SHT_GNU_versym:
pi = pversym_shndx;
break;
@ -166,6 +170,25 @@ Sized_dynobj<size, big_endian>::find_dynsym_sections(
*pi = i;
}
// If there is no dynamic symbol table, use the normal symbol table.
// On some SVR4 systems, a shared library is stored in an archive.
// The version stored in the archive only has a normal symbol table.
// It has an SONAME entry which points to another copy in the file
// system which has a dynamic symbol table as usual. This is way of
// addressing the issues which glibc addresses using GROUP with
// libc_nonshared.a.
if (this->dynsym_shndx_ == -1U && symtab_shndx != 0)
{
this->dynsym_shndx_ = symtab_shndx;
if (xindex_shndx > 0 && xindex_link == symtab_shndx)
{
Xindex* xindex = new Xindex(this->elf_file_.large_shndx_offset());
xindex->read_symtab_xindex<size, big_endian>(this, xindex_shndx,
pshdrs);
this->set_xindex(xindex);
}
}
}
// Read the contents of section SHNDX. PSHDRS points to the section
@ -337,7 +360,6 @@ Sized_dynobj<size, big_endian>::do_read_symbols(Read_symbols_data* sd)
// Get the dynamic symbols.
typename This::Shdr dynsymshdr(pshdrs
+ this->dynsym_shndx_ * This::shdr_size);
gold_assert(dynsymshdr.get_sh_type() == elfcpp::SHT_DYNSYM);
sd->symbols = this->get_lasting_view(dynsymshdr.get_sh_offset(),
dynsymshdr.get_sh_size(), true,