// Output_section_definition.
virtual const char*
output_section_name(const char*, const char*, Output_section***,
- Script_sections::Section_type*)
+ Script_sections::Section_type*, bool*)
{ return NULL; }
// Initialize OSP with an output section.
set_section_addresses(Symbol_table* symtab, Layout* layout,
uint64_t* dot_value, uint64_t*, uint64_t*)
{
- this->assignment_.set_if_absolute(symtab, layout, true, *dot_value);
+ this->assignment_.set_if_absolute(symtab, layout, true, *dot_value, NULL);
}
// Print for debugging.
// output section definition the dot symbol is always considered
// to be absolute.
*dot_value = this->val_->eval_with_dot(symtab, layout, true, *dot_value,
- NULL, NULL, NULL);
+ NULL, NULL, NULL, false);
}
// Update the dot symbol while setting section addresses.
uint64_t* load_address)
{
*dot_value = this->val_->eval_with_dot(symtab, layout, false, *dot_value,
- NULL, NULL, dot_alignment);
+ NULL, NULL, dot_alignment, false);
*load_address = *dot_value;
}
// Return whether this element matches FILE_NAME and SECTION_NAME.
// The only real implementation is in Output_section_element_input.
virtual bool
- match_name(const char*, const char*) const
+ match_name(const char*, const char*, bool *) const
{ return false; }
// Set section addresses. This includes applying assignments if the
void
set_section_addresses(Symbol_table* symtab, Layout* layout, Output_section*,
uint64_t, uint64_t* dot_value, uint64_t*,
- Output_section**, std::string*, Input_section_list*)
+ Output_section** dot_section, std::string*,
+ Input_section_list*)
{
- this->assignment_.set_if_absolute(symtab, layout, true, *dot_value);
+ this->assignment_.set_if_absolute(symtab, layout, true, *dot_value,
+ *dot_section);
}
// Print for debugging.
: val_(val)
{ }
+ // An assignment to dot within an output section is enough to force
+ // the output section to exist.
+ bool
+ needs_output_section() const
+ { return true; }
+
// Finalize the symbol.
void
finalize_symbols(Symbol_table* symtab, const Layout* layout,
uint64_t* dot_value, Output_section** dot_section)
{
*dot_value = this->val_->eval_with_dot(symtab, layout, true, *dot_value,
- *dot_section, dot_section, NULL);
+ *dot_section, dot_section, NULL,
+ true);
}
// Update the dot symbol while setting section addresses.
void
set_section_addresses(Symbol_table* symtab, Layout* layout, Output_section*,
uint64_t, uint64_t* dot_value, uint64_t*,
- Output_section**, std::string*, Input_section_list*);
+ Output_section** dot_section, std::string*,
+ Input_section_list*);
// Print for debugging.
void
{
uint64_t next_dot = this->val_->eval_with_dot(symtab, layout, false,
*dot_value, *dot_section,
- dot_section, dot_alignment);
+ dot_section, dot_alignment,
+ true);
if (next_dot < *dot_value)
gold_error(_("dot may not move backward"));
if (next_dot > *dot_value && output_section != NULL)
{
uint64_t val = this->val_->eval_with_dot(this->symtab_, this->layout_,
true, this->dot_value_,
- this->dot_section_, NULL, NULL);
+ this->dot_section_, NULL, NULL,
+ false);
if (parameters->target().is_big_endian())
this->endian_write_to_buffer<true>(val, buf);
Output_section* fill_section;
uint64_t fill_val = this->val_->eval_with_dot(symtab, layout, false,
*dot_value, *dot_section,
- &fill_section, NULL);
+ &fill_section, NULL, false);
if (fill_section != NULL)
gold_warning(_("fill value is not absolute"));
// FIXME: The GNU linker supports fill values of arbitrary length.
*dot_section = this->final_dot_section_;
}
- // See whether we match FILE_NAME and SECTION_NAME as an input
- // section.
+ // See whether we match FILE_NAME and SECTION_NAME as an input section.
+ // If we do then also indicate whether the section should be KEPT.
bool
- match_name(const char* file_name, const char* section_name) const;
+ match_name(const char* file_name, const char* section_name, bool* keep) const;
// Set the section address.
void
return true;
}
-// See whether we match FILE_NAME and SECTION_NAME.
+// See whether we match FILE_NAME and SECTION_NAME. If we do then
+// KEEP indicates whether the section should survive garbage collection.
bool
Output_section_element_input::match_name(const char* file_name,
- const char* section_name) const
+ const char* section_name,
+ bool *keep) const
{
if (!this->match_file_name(file_name))
return false;
+ *keep = this->keep_;
+
// If there are no section name patterns, then we match.
if (this->input_section_patterns_.empty())
return true;
// section name.
const char*
output_section_name(const char* file_name, const char* section_name,
- Output_section***, Script_sections::Section_type*);
+ Output_section***, Script_sections::Section_type*,
+ bool*);
// Initialize OSP with an output section.
void
{
address = this->address_->eval_with_dot(symtab, layout, true,
*dot_value, NULL,
- NULL, NULL);
+ NULL, NULL, false);
}
if (this->align_ != NULL)
{
uint64_t align = this->align_->eval_with_dot(symtab, layout, true,
*dot_value, NULL,
- NULL, NULL);
+ NULL, NULL, false);
address = align_address(address, align);
}
*dot_value = address;
const char* file_name,
const char* section_name,
Output_section*** slot,
- Script_sections::Section_type* psection_type)
+ Script_sections::Section_type* psection_type,
+ bool* keep)
{
// Ask each element whether it matches NAME.
for (Output_section_elements::const_iterator p = this->elements_.begin();
p != this->elements_.end();
++p)
{
- if ((*p)->match_name(file_name, section_name))
+ if ((*p)->match_name(file_name, section_name, keep))
{
// We found a match for NAME, which means that it should go
// into this output section.
else
address = this->address_->eval_with_dot(symtab, layout, true,
*dot_value, NULL, NULL,
- dot_alignment);
+ dot_alignment, false);
uint64_t align;
if (this->align_ == NULL)
{
{
Output_section* align_section;
align = this->align_->eval_with_dot(symtab, layout, true, *dot_value,
- NULL, &align_section, NULL);
+ NULL, &align_section, NULL, false);
if (align_section != NULL)
gold_warning(_("alignment of section %s is not absolute"),
this->name_.c_str());
laddr = this->load_address_->eval_with_dot(symtab, layout, true,
*dot_value,
this->output_section_,
- NULL, NULL);
+ NULL, NULL, false);
if (this->output_section_ != NULL)
this->output_section_->set_load_address(laddr);
}
Output_section* subalign_section;
subalign = this->subalign_->eval_with_dot(symtab, layout, true,
*dot_value, NULL,
- &subalign_section, NULL);
+ &subalign_section, NULL,
+ false);
if (subalign_section != NULL)
gold_warning(_("subalign of section %s is not absolute"),
this->name_.c_str());
uint64_t fill_val = this->fill_->eval_with_dot(symtab, layout, true,
*dot_value,
NULL, &fill_section,
- NULL);
+ NULL, false);
if (fill_section != NULL)
gold_warning(_("fill of section %s is not absolute"),
this->name_.c_str());
const char* file_name,
const char* section_name,
Output_section*** output_section_slot,
- Script_sections::Section_type* psection_type)
+ Script_sections::Section_type* psection_type,
+ bool* keep)
{
for (Sections_elements::const_iterator p = this->sections_elements_->begin();
p != this->sections_elements_->end();
{
const char* ret = (*p)->output_section_name(file_name, section_name,
output_section_slot,
- psection_type);
+ psection_type, keep);
if (ret != NULL)
{
projects / deliverable / binutils-gdb.git / blobdiff