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-rw-r--r--gold/object.cc86
1 files changed, 76 insertions, 10 deletions
diff --git a/gold/object.cc b/gold/object.cc
index 8f1241a..5efb3cb 100644
--- a/gold/object.cc
+++ b/gold/object.cc
@@ -87,6 +87,33 @@ Sized_object<size, big_endian>::section_header(unsigned int shnum)
return this->get_view(symtabshdroff, This::shdr_size);
}
+// Return the name of section SHNUM.
+
+template<int size, bool big_endian>
+std::string
+Sized_object<size, big_endian>::do_section_name(unsigned int shnum)
+{
+ Task_lock_obj<Object> tl(*this);
+
+ // Read the section names.
+ typename This::Shdr shdrnames(this->section_header(this->shstrndx_));
+ const unsigned char* pnamesu = this->get_view(shdrnames.get_sh_offset(),
+ shdrnames.get_sh_size());
+ const char* pnames = reinterpret_cast<const char*>(pnamesu);
+
+ typename This::Shdr shdr(this->section_header(shnum));
+ if (shdr.get_sh_name() >= shdrnames.get_sh_size())
+ {
+ fprintf(stderr,
+ _("%s: %s: bad section name offset for section %u: %lu\n"),
+ program_name, this->name().c_str(), shnum,
+ static_cast<unsigned long>(shdr.get_sh_name()));
+ gold_exit(false);
+ }
+
+ return std::string(pnames + shdr.get_sh_name());
+}
+
// Set up an object file bsaed on the file header. This sets up the
// target and reads the section information.
@@ -182,7 +209,9 @@ Sized_object<size, big_endian>::do_read_symbols(Read_symbols_data* sd)
// We only need the external symbols.
const int sym_size = This::sym_size;
- off_t locsize = symtabshdr.get_sh_info() * sym_size;
+ const unsigned int loccount = symtabshdr.get_sh_info();
+ this->local_symbol_count_ = loccount;
+ off_t locsize = loccount * sym_size;
off_t extoff = symtabshdr.get_sh_offset() + locsize;
off_t extsize = symtabshdr.get_sh_size() - locsize;
@@ -190,14 +219,15 @@ Sized_object<size, big_endian>::do_read_symbols(Read_symbols_data* sd)
File_view* fvsymtab = this->get_lasting_view(extoff, extsize);
// Read the section header for the symbol names.
+ unsigned int shnum = this->shnum();
unsigned int strtab_shnum = symtabshdr.get_sh_link();
- if (strtab_shnum == 0 || strtab_shnum >= this->shnum())
+ if (strtab_shnum == 0 || strtab_shnum >= shnum)
{
fprintf(stderr, _("%s: %s: invalid symbol table name index: %u\n"),
program_name, this->name().c_str(), strtab_shnum);
gold_exit(false);
}
- typename This::Shdr strtabshdr(this->section_header(strtab_shnum));
+ typename This::Shdr strtabshdr(pshdrs + strtab_shnum * This::shdr_size);
if (strtabshdr.get_sh_type() != elfcpp::SHT_STRTAB)
{
fprintf(stderr,
@@ -493,14 +523,13 @@ Sized_object<size, big_endian>::do_finalize_local_symbols(off_t off,
assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
// Read the local symbols.
- unsigned int loccount = symtabshdr.get_sh_info();
const int sym_size = This::sym_size;
+ const unsigned int loccount = this->local_symbol_count_;
+ assert(loccount == symtabshdr.get_sh_info());
off_t locsize = loccount * sym_size;
const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
locsize);
- this->local_symbol_count_ = loccount;
-
this->values_ = new typename elfcpp::Elf_types<size>::Elf_Addr[loccount];
// Read the section header for the symbol names.
@@ -587,12 +616,12 @@ Sized_object<size, big_endian>::write_local_symbols(Output_file* of,
// Read the symbol table section header.
typename This::Shdr symtabshdr(this->section_header(this->symtab_shnum_));
assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
- unsigned int local_symbol_count = this->local_symbol_count_;
- assert(local_symbol_count == symtabshdr.get_sh_info());
+ const unsigned int loccount = this->local_symbol_count_;
+ assert(loccount == symtabshdr.get_sh_info());
// Read the local symbols.
const int sym_size = This::sym_size;
- off_t locsize = local_symbol_count * sym_size;
+ off_t locsize = loccount * sym_size;
const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
locsize);
@@ -615,7 +644,7 @@ Sized_object<size, big_endian>::write_local_symbols(Output_file* of,
psyms += sym_size;
unsigned char* ov = oview;
- for (unsigned int i = 1; i < local_symbol_count; ++i, psyms += sym_size)
+ for (unsigned int i = 1; i < loccount; ++i, psyms += sym_size)
{
elfcpp::Sym<size, big_endian> isym(psyms);
elfcpp::Sym_write<size, big_endian> osym(ov);
@@ -665,6 +694,31 @@ Input_objects::add_object(Object* obj)
this->any_dynamic_ = true;
}
+// Relocate_info methods.
+
+// Return a string describing the location of a relocation. This is
+// only used in error messages.
+
+template<int size, bool big_endian>
+std::string
+Relocate_info<size, big_endian>::location(size_t relnum, off_t) const
+{
+ std::string ret(this->object->name());
+ ret += ": reloc ";
+ char buf[100];
+ snprintf(buf, sizeof buf, "%zu", relnum);
+ ret += buf;
+ ret += " in reloc section ";
+ snprintf(buf, sizeof buf, "%u", this->reloc_shndx);
+ ret += buf;
+ ret += " (" + this->object->section_name(this->reloc_shndx);
+ ret += ") for section ";
+ snprintf(buf, sizeof buf, "%u", this->data_shndx);
+ ret += buf;
+ ret += " (" + this->object->section_name(this->data_shndx) + ")";
+ return ret;
+}
+
} // End namespace gold.
namespace
@@ -830,4 +884,16 @@ class Sized_object<64, false>;
template
class Sized_object<64, true>;
+template
+struct Relocate_info<32, false>;
+
+template
+struct Relocate_info<32, true>;
+
+template
+struct Relocate_info<64, false>;
+
+template
+struct Relocate_info<64, true>;
+
} // End namespace gold.