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authorIan Lance Taylor <iant@google.com>2006-11-03 18:26:11 +0000
committerIan Lance Taylor <iant@google.com>2006-11-03 18:26:11 +0000
commitead1e4244a55707685d105c662a9a1faf5d122fe (patch)
tree3dd8ba9d010b4241ea750f6bdab49c6f3738036a /gold/object.cc
parent58ea3d6a2f4d205b86b1baeaee5f6865393a6dd6 (diff)
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Can now do a full static link of hello, world in C or C++
Diffstat (limited to 'gold/object.cc')
-rw-r--r--gold/object.cc54
1 files changed, 31 insertions, 23 deletions
diff --git a/gold/object.cc b/gold/object.cc
index 5efb3cb..4e7f04c 100644
--- a/gold/object.cc
+++ b/gold/object.cc
@@ -16,25 +16,6 @@ namespace gold
// Class Object.
-const unsigned char*
-Object::get_view(off_t start, off_t size)
-{
- return this->input_file_->file().get_view(start + this->offset_, size);
-}
-
-void
-Object::read(off_t start, off_t size, void* p)
-{
- this->input_file_->file().read(start + this->offset_, size, p);
-}
-
-File_view*
-Object::get_lasting_view(off_t start, off_t size)
-{
- return this->input_file_->file().get_lasting_view(start + this->offset_,
- size);
-}
-
// Class Sized_object.
template<int size, bool big_endian>
@@ -79,7 +60,7 @@ Sized_object<size, big_endian>::~Sized_object()
// Read the section header for section SHNUM.
template<int size, bool big_endian>
-const unsigned char*
+inline const unsigned char*
Sized_object<size, big_endian>::section_header(unsigned int shnum)
{
assert(shnum < this->shnum());
@@ -328,6 +309,32 @@ Sized_object<size, big_endian>::include_section_group(
const char* signature = psymnames + sym.get_st_name();
+ // It seems that some versions of gas will create a section group
+ // associated with a section symbol, and then fail to give a name to
+ // the section symbol. In such a case, use the name of the section.
+ // FIXME.
+ if (signature[0] == '\0'
+ && sym.get_st_type() == elfcpp::STT_SECTION
+ && sym.get_st_shndx() < this->shnum())
+ {
+ 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 sechdr(this->section_header(sym.get_st_shndx()));
+ if (sechdr.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(), sym.get_st_shndx(),
+ static_cast<unsigned long>(sechdr.get_sh_name()));
+ gold_exit(false);
+ }
+
+ signature = pnames + sechdr.get_sh_name();
+ }
+
// Record this section group, and see whether we've already seen one
// with the same signature.
if (layout->add_comdat(signature, true))
@@ -446,7 +453,7 @@ Sized_object<size, big_endian>::do_layout(Layout* layout,
}
off_t offset;
- Output_section* os = layout->layout(this, name, shdr, &offset);
+ Output_section* os = layout->layout(this, i, name, shdr, &offset);
map_sections[i].output_section = os;
map_sections[i].offset = offset;
@@ -514,7 +521,7 @@ Sized_object<size, big_endian>::do_finalize_local_symbols(off_t off,
return off;
}
- off = (off + (size >> 3) - 1) & ~ ((off_t) (size >> 3) - 1);
+ off = align_address(off, size >> 3);
this->local_symbol_offset_ = off;
@@ -587,6 +594,7 @@ Sized_object<size, big_endian>::do_finalize_local_symbols(off_t off,
}
this->values_[i] = (mo[shndx].output_section->address()
+ + mo[shndx].offset
+ sym.get_st_value());
}
@@ -655,7 +663,7 @@ Sized_object<size, big_endian>::write_local_symbols(Output_file* of,
assert(st_shndx < mo.size());
if (mo[st_shndx].output_section == NULL)
continue;
- st_shndx = mo[st_shndx].output_section->shndx();
+ st_shndx = mo[st_shndx].output_section->out_shndx();
}
osym.put_st_name(sympool->get_offset(pnames + isym.get_st_name()));