public:
Sections_element_assignment(const char* name, size_t namelen,
Expression* val, bool provide, bool hidden)
- : assignment_(name, namelen, val, provide, hidden)
+ : assignment_(name, namelen, false, val, provide, hidden)
{ }
// Add the symbol to the symbol table.
Output_section_element_assignment(const char* name, size_t namelen,
Expression* val, bool provide,
bool hidden)
- : assignment_(name, namelen, val, provide, hidden)
+ : assignment_(name, namelen, false, val, provide, hidden)
{ }
// Add the symbol to the symbol table.
// sections are otherwise equal. Add each input section to the
// output section.
+ uint64_t dot = *dot_value;
for (size_t i = 0; i < input_pattern_count; ++i)
{
if (matching_sections[i].empty())
if (this_subalign < subalign)
this_subalign = subalign;
- uint64_t address = align_address(*dot_value, this_subalign);
+ uint64_t address = align_address(dot, this_subalign);
- if (address > *dot_value && !fill->empty())
+ if (address > dot && !fill->empty())
{
section_size_type length =
- convert_to_section_size_type(address - *dot_value);
+ convert_to_section_size_type(address - dot);
std::string this_fill = this->get_fill_string(fill, length);
Output_section_data* posd = new Output_data_const(this_fill, 0);
output_section->add_output_section_data(posd);
p->size(),
this_subalign);
- *dot_value = address + p->size();
+ dot = address + p->size();
}
}
+ // An SHF_TLS/SHT_NOBITS section does not take up any
+ // address space.
+ if (output_section == NULL
+ || (output_section->flags() & elfcpp::SHF_TLS) == 0
+ || output_section->type() != elfcpp::SHT_NOBITS)
+ *dot_value = dot;
+
this->final_dot_value_ = *dot_value;
this->final_dot_section_ = *dot_section;
}
address += size;
}
- if (!have_load_address)
- *load_address = address;
- else
- *load_address += address - *dot_value;
+ // An SHF_TLS/SHT_NOBITS section does not take up any address space.
+ if (this->os_ == NULL
+ || (this->os_->flags() & elfcpp::SHF_TLS) == 0
+ || this->os_->type() != elfcpp::SHT_NOBITS)
+ {
+ if (!have_load_address)
+ *load_address = address;
+ else
+ *load_address += address - *dot_value;
- *dot_value = address;
+ *dot_value = address;
+ }
}
// Get the list of segments to use for an allocated section when using
orphan_section_placement_(NULL),
data_segment_align_start_(),
saw_data_segment_align_(false),
- saw_relro_end_(false)
+ saw_relro_end_(false),
+ saw_segment_start_expression_(false)
{
}
this->output_section_->add_dot_assignment(val);
else
{
+ // The GNU linker permits assignments to . to appears outside of
+ // a SECTIONS clause, and treats it as appearing inside, so
+ // sections_elements_ may be NULL here.
+ if (this->sections_elements_ == NULL)
+ {
+ this->sections_elements_ = new Sections_elements;
+ this->saw_sections_clause_ = true;
+ }
+
Sections_element* p = new Sections_element_dot_assignment(val);
this->sections_elements_->push_back(p);
}
// For a relocatable link, we implicitly set dot to zero.
uint64_t dot_value = 0;
uint64_t load_address = 0;
+
+ // Check to see if we want to use any of -Ttext, -Tdata and -Tbss options
+ // to set section addresses. If the script has any SEGMENT_START
+ // expression, we do not set the section addresses.
+ bool use_tsection_options =
+ (!this->saw_segment_start_expression_
+ && (parameters->options().user_set_Ttext()
+ || parameters->options().user_set_Tdata()
+ || parameters->options().user_set_Tbss()));
+
for (Sections_elements::iterator p = this->sections_elements_->begin();
p != this->sections_elements_->end();
++p)
- (*p)->set_section_addresses(symtab, layout, &dot_value, &load_address);
+ {
+ Output_section* os = (*p)->get_output_section();
+
+ // Handle -Ttext, -Tdata and -Tbss options. We do this by looking for
+ // the special sections by names and doing dot assignments.
+ if (use_tsection_options
+ && os != NULL
+ && (os->flags() & elfcpp::SHF_ALLOC) != 0)
+ {
+ uint64_t new_dot_value = dot_value;
+
+ if (parameters->options().user_set_Ttext()
+ && strcmp(os->name(), ".text") == 0)
+ new_dot_value = parameters->options().Ttext();
+ else if (parameters->options().user_set_Tdata()
+ && strcmp(os->name(), ".data") == 0)
+ new_dot_value = parameters->options().Tdata();
+ else if (parameters->options().user_set_Tbss()
+ && strcmp(os->name(), ".bss") == 0)
+ new_dot_value = parameters->options().Tbss();
+
+ // Update dot and load address if necessary.
+ if (new_dot_value < dot_value)
+ gold_error(_("dot may not move backward"));
+ else if (new_dot_value != dot_value)
+ {
+ dot_value = new_dot_value;
+ load_address = new_dot_value;
+ }
+ }
+
+ (*p)->set_section_addresses(symtab, layout, &dot_value, &load_address);
+ }
if (this->phdrs_elements_ != NULL)
{
is_current_seg_readonly = true;
}
- current_seg->add_output_section(*p, seg_flags);
+ current_seg->add_output_section(*p, seg_flags, false);
if (((*p)->flags() & elfcpp::SHF_WRITE) != 0)
is_current_seg_readonly = false;
Layout::section_flags_to_segment((*p)->flags());
Output_segment* oseg = layout->make_output_segment(elfcpp::PT_NOTE,
seg_flags);
- oseg->add_output_section(*p, seg_flags);
+ oseg->add_output_section(*p, seg_flags, false);
// Incorporate any subsequent SHT_NOTE sections, in the
// hopes that the script is sensible.
&& (*pnext)->type() == elfcpp::SHT_NOTE)
{
seg_flags = Layout::section_flags_to_segment((*pnext)->flags());
- oseg->add_output_section(*pnext, seg_flags);
+ oseg->add_output_section(*pnext, seg_flags, false);
p = pnext;
++pnext;
}
Layout::section_flags_to_segment((*p)->flags());
Output_segment* oseg = layout->make_output_segment(elfcpp::PT_TLS,
seg_flags);
- oseg->add_output_section(*p, seg_flags);
+ oseg->add_output_section(*p, seg_flags, false);
Layout::Section_list::const_iterator pnext = p + 1;
while (pnext != sections->end()
&& ((*pnext)->flags() & elfcpp::SHF_TLS) != 0)
{
seg_flags = Layout::section_flags_to_segment((*pnext)->flags());
- oseg->add_output_section(*pnext, seg_flags);
+ oseg->add_output_section(*pnext, seg_flags, false);
p = pnext;
++pnext;
}
elfcpp::Elf_Word seg_flags =
Layout::section_flags_to_segment(os->flags());
- r->second->add_output_section(os, seg_flags);
+ r->second->add_output_section(os, seg_flags, false);
if (r->second->type() == elfcpp::PT_LOAD)
{
projects / binutils-gdb.git / blobdiff