// layout.cc -- lay out output file sections for gold
-// Copyright (C) 2006-2016 Free Software Foundation, Inc.
+// Copyright (C) 2006-2017 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
}
}
+// Remove .eh_frame information for a PLT. FDEs using the CIE must
+// be removed in reverse order to the order they were added.
+
+void
+Layout::remove_eh_frame_for_plt(Output_data* plt, const unsigned char* cie_data,
+ size_t cie_length, const unsigned char* fde_data,
+ size_t fde_length)
+{
+ if (parameters->incremental())
+ {
+ // FIXME: Maybe this could work some day....
+ return;
+ }
+ this->eh_frame_data_->remove_ehframe_for_plt(plt, cie_data, cie_length,
+ fde_data, fde_length);
+}
+
// Scan a .debug_info or .debug_types section, and add summary
// information to the .gdb_index section.
Layout::finalize(const Input_objects* input_objects, Symbol_table* symtab,
Target* target, const Task* task)
{
+ unsigned int local_dynamic_count = 0;
+ unsigned int forced_local_dynamic_count = 0;
+
target->finalize_sections(this, input_objects, symtab);
this->count_local_symbols(task, input_objects);
// Create the dynamic symbol table, including the hash table.
Output_section* dynstr;
std::vector<Symbol*> dynamic_symbols;
- unsigned int local_dynamic_count;
Versions versions(*this->script_options()->version_script_info(),
&this->dynpool_);
this->create_dynamic_symtab(input_objects, symtab, &dynstr,
- &local_dynamic_count, &dynamic_symbols,
+ &local_dynamic_count,
+ &forced_local_dynamic_count,
+ &dynamic_symbols,
&versions);
// Create the .interp section to hold the name of the
// Create the version sections. We can't do this until the
// dynamic string table is complete.
- this->create_version_sections(&versions, symtab, local_dynamic_count,
+ this->create_version_sections(&versions, symtab,
+ (local_dynamic_count
+ + forced_local_dynamic_count),
dynamic_symbols, dynstr);
// Set the size of the _DYNAMIC symbol. We can't do this until
shndx = this->set_section_indexes(shndx);
// Create the symbol table sections.
- this->create_symtab_sections(input_objects, symtab, shndx, &off);
+ this->create_symtab_sections(input_objects, symtab, shndx, &off,
+ local_dynamic_count);
if (!parameters->doing_static_link())
this->assign_local_dynsym_offsets(input_objects);
Layout::segment_precedes(const Output_segment* seg1,
const Output_segment* seg2)
{
+ // In order to produce a stable ordering if we're called with the same pointer
+ // return false.
+ if (seg1 == seg2)
+ return false;
+
elfcpp::Elf_Word type1 = seg1->type();
elfcpp::Elf_Word type2 = seg2->type();
}
// Set the file offsets of all the segments, and all the sections they
-// contain. They have all been created. LOAD_SEG must be be laid out
+// contain. They have all been created. LOAD_SEG must be laid out
// first. Return the offset of the data to follow.
off_t
Layout::create_symtab_sections(const Input_objects* input_objects,
Symbol_table* symtab,
unsigned int shnum,
- off_t* poff)
+ off_t* poff,
+ unsigned int local_dynamic_count)
{
int symsize;
unsigned int align;
gold_assert(static_cast<off_t>(local_symcount * symsize) == off);
off_t dynoff;
- size_t dyn_global_index;
size_t dyncount;
if (this->dynsym_section_ == NULL)
{
dynoff = 0;
- dyn_global_index = 0;
dyncount = 0;
}
else
{
- dyn_global_index = this->dynsym_section_->info();
- off_t locsize = dyn_global_index * this->dynsym_section_->entsize();
+ off_t locsize = local_dynamic_count * this->dynsym_section_->entsize();
dynoff = this->dynsym_section_->offset() + locsize;
dyncount = (this->dynsym_section_->data_size() - locsize) / symsize;
gold_assert(static_cast<off_t>(dyncount * symsize)
}
off_t global_off = off;
- off = symtab->finalize(off, dynoff, dyn_global_index, dyncount,
+ off = symtab->finalize(off, dynoff, local_dynamic_count, dyncount,
&this->sympool_, &local_symcount);
if (!parameters->options().strip_all())
}
// Create the dynamic symbol table.
+// *PLOCAL_DYNAMIC_COUNT will be set to the number of local symbols
+// from input objects, and *PFORCED_LOCAL_DYNAMIC_COUNT will be set
+// to the number of global symbols that have been forced local.
+// We need to remember the former because the forced-local symbols are
+// written along with the global symbols in Symtab::write_globals().
void
Layout::create_dynamic_symtab(const Input_objects* input_objects,
Symbol_table* symtab,
Output_section** pdynstr,
unsigned int* plocal_dynamic_count,
+ unsigned int* pforced_local_dynamic_count,
std::vector<Symbol*>* pdynamic_symbols,
Versions* pversions)
{
}
unsigned int local_symcount = index;
- *plocal_dynamic_count = local_symcount;
+ unsigned int forced_local_count = 0;
- index = symtab->set_dynsym_indexes(index, pdynamic_symbols,
- &this->dynpool_, pversions);
+ index = symtab->set_dynsym_indexes(index, &forced_local_count,
+ pdynamic_symbols, &this->dynpool_,
+ pversions);
+
+ *plocal_dynamic_count = local_symcount;
+ *pforced_local_dynamic_count = forced_local_count;
int symsize;
unsigned int align;
"** dynsym");
dynsym->add_output_section_data(odata);
- dynsym->set_info(local_symcount);
+ dynsym->set_info(local_symcount + forced_local_count);
dynsym->set_entsize(symsize);
dynsym->set_addralign(align);
{
unsigned char* phash;
unsigned int hashlen;
- Dynobj::create_gnu_hash_table(*pdynamic_symbols, local_symcount,
+ Dynobj::create_gnu_hash_table(*pdynamic_symbols,
+ local_symcount + forced_local_count,
&phash, &hashlen);
Output_section* hashsec =
{
unsigned char* phash;
unsigned int hashlen;
- Dynobj::create_elf_hash_table(*pdynamic_symbols, local_symcount,
+ Dynobj::create_elf_hash_table(*pdynamic_symbols,
+ local_symcount + forced_local_count,
&phash, &hashlen);
Output_section* hashsec =
projects / deliverable / binutils-gdb.git / blobdiff