namespace gold
{
-class Merge_map;
-
// For each object with merge sections, we store an Object_merge_map.
// This is used to map locations in input sections to a merged output
// section. The output section itself is not recorded here--it can be
// discarded. OUTPUT_OFFSET is relative to the start of the merged
// data in the output section.
void
- add_mapping(const Merge_map*, unsigned int shndx, section_offset_type offset,
- section_size_type length, section_offset_type output_offset);
+ add_mapping(const Output_section_data*, unsigned int shndx,
+ section_offset_type offset, section_size_type length,
+ section_offset_type output_offset);
// Get the output offset for an input address. MERGE_MAP is the map
// we are looking for, or NULL if we don't care. The input address
// mapping is known, false otherwise. *OUTPUT_OFFSET is relative to
// the start of the merged data in the output section.
bool
- get_output_offset(const Merge_map*, unsigned int shndx,
+ get_output_offset(unsigned int shndx,
section_offset_type offset,
section_offset_type* output_offset);
// Return whether this is the merge map for section SHNDX.
bool
- is_merge_section_for(const Merge_map*, unsigned int shndx);
+ is_merge_section_for(const Output_section_data*, unsigned int shndx);
// Initialize an mapping from input offsets to output addresses for
// section SHNDX. STARTING_ADDRESS is the output address of the
// look up information for a different Merge_map, we report that
// we don't have it, rather than trying a lookup and returning an
// answer which will receive the wrong offset.
- const Merge_map* merge_map;
+ const Output_section_data* output_data;
// The list of mappings.
Entries entries;
// Whether the ENTRIES field is sorted by input_offset.
bool sorted;
Input_merge_map()
- : merge_map(NULL), entries(), sorted(true)
+ : output_data(NULL), entries(), sorted(true)
{ }
};
// Get or make the Input_merge_map to use for the section SHNDX
// with MERGE_MAP.
Input_merge_map*
- get_or_make_input_merge_map(const Merge_map* merge_map, unsigned int shndx);
+ get_or_make_input_merge_map(const Output_section_data* merge_map,
+ unsigned int shndx);
// Any given object file will normally only have a couple of input
// sections with mergeable contents. So we keep the first two input
Section_merge_maps section_merge_maps_;
};
-// This class manages mappings from input sections to offsets in an
-// output section. This is used where input sections are merged. The
-// actual data is stored in fields in Object.
-
-class Merge_map
-{
- public:
- Merge_map()
- { }
-
- // Add a mapping for the bytes from OFFSET to OFFSET + LENGTH in the
- // input section SHNDX in object OBJECT to OUTPUT_OFFSET in the
- // output section. An OUTPUT_OFFSET of -1 means that the bytes are
- // discarded. OUTPUT_OFFSET is not the offset from the start of the
- // output section, it is the offset from the start of the merged
- // data within the output section.
- void
- add_mapping(Relobj* object, unsigned int shndx,
- section_offset_type offset, section_size_type length,
- section_offset_type output_offset);
-
- // Return the output offset for an input address. The input address
- // is at offset OFFSET in section SHNDX in OBJECT. This sets
- // *OUTPUT_OFFSET to the offset in the output section; this will be
- // -1 if the bytes are not being copied to the output. This returns
- // true if the mapping is known, false otherwise. This returns the
- // value stored by add_mapping, namely the offset from the start of
- // the merged data within the output section.
- bool
- get_output_offset(const Relobj* object, unsigned int shndx,
- section_offset_type offset,
- section_offset_type* output_offset) const;
-
- // Return whether this is the merge mapping for section SHNDX in
- // OBJECT. This should return true when get_output_offset would
- // return true for some input offset.
- bool
- is_merge_section_for(const Relobj* object, unsigned int shndx) const;
-};
-
// A general class for SHF_MERGE data, to hold functions shared by
// fixed-size constant data and string data.
{
public:
Output_merge_base(uint64_t entsize, uint64_t addralign)
- : Output_section_data(addralign), merge_map_(), entsize_(entsize),
+ : Output_section_data(addralign), entsize_(entsize),
keeps_input_sections_(false), first_relobj_(NULL), first_shndx_(-1),
input_sections_()
{ }
section_offset_type offset,
section_offset_type* poutput) const;
- // Return whether this is the merge section for an input section.
- bool
- do_is_merge_section_for(const Relobj*, unsigned int shndx) const;
-
- // Add a mapping from an OFFSET in input section SHNDX in object
- // OBJECT to an OUTPUT_OFFSET in the output section. OUTPUT_OFFSET
- // is the offset from the start of the merged data in the output
- // section.
- void
- add_mapping(Relobj* object, unsigned int shndx, section_offset_type offset,
- section_size_type length, section_offset_type output_offset)
- {
- this->merge_map_.add_mapping(object, shndx, offset, length, output_offset);
- }
-
// This may be overridden by the child class.
virtual bool
do_is_string()
record_input_section(Relobj* relobj, unsigned int shndx);
private:
- // A mapping from input object/section/offset to offset in output
- // section.
- Merge_map merge_map_;
// The entry size. For fixed-size constants, this is the size of
// the constants. For strings, this is the size of a character.
uint64_t entsize_;
projects / deliverable / binutils-gdb.git / blobdiff