diff options
Diffstat (limited to 'gold')
| -rw-r--r-- | gold/ChangeLog | 11 | ||||
| -rw-r--r-- | gold/dwarf_reader.cc | 26 | ||||
| -rw-r--r-- | gold/dwarf_reader.h | 9 |
3 files changed, 40 insertions, 6 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index d719df4..3ca1cf7 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,14 @@ +2013-07-01 Cary Coutant <ccoutant@google.com> + + * dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save + reloc_type_. + (Dwarf_ranges_table::read_range_list): Call lookup_reloc. + (Dwarf_ranges_table::lookup_reloc): New function. + * dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize + reloc_type_. + (Dwarf_ranges_table::lookup_reloc): New function. + (Dwarf_ranges_table::reloc_type_): New data member. + 2013-06-27 Jing Yu <jingyu@google.com> PR gold/15662 diff --git a/gold/dwarf_reader.cc b/gold/dwarf_reader.cc index 6b01b7f..4233954 100644 --- a/gold/dwarf_reader.cc +++ b/gold/dwarf_reader.cc @@ -374,6 +374,7 @@ Dwarf_ranges_table::read_ranges_table( this->ranges_reloc_mapper_ = make_elf_reloc_mapper(object, symtab, symtab_size); this->ranges_reloc_mapper_->initialize(reloc_shndx, reloc_type); + this->reloc_type_ = reloc_type; return true; } @@ -430,11 +431,8 @@ Dwarf_ranges_table::read_range_list( unsigned int shndx2 = 0; if (this->ranges_reloc_mapper_ != NULL) { - shndx1 = - this->ranges_reloc_mapper_->get_reloc_target(offset, &start); - shndx2 = - this->ranges_reloc_mapper_->get_reloc_target(offset + addr_size, - &end); + shndx1 = this->lookup_reloc(offset, &start); + shndx2 = this->lookup_reloc(offset + addr_size, &end); } // End of list is marked by a pair of zeroes. @@ -460,6 +458,24 @@ Dwarf_ranges_table::read_range_list( return ranges; } +// Look for a relocation at offset OFF in the range table, +// and return the section index and offset of the target. + +unsigned int +Dwarf_ranges_table::lookup_reloc(off_t off, off_t* target_off) +{ + off_t value; + unsigned int shndx = + this->ranges_reloc_mapper_->get_reloc_target(off, &value); + if (shndx == 0) + return 0; + if (this->reloc_type_ == elfcpp::SHT_REL) + *target_off += value; + else + *target_off = value; + return shndx; +} + // class Dwarf_pubnames_table // Read the pubnames section SHNDX from the object file. diff --git a/gold/dwarf_reader.h b/gold/dwarf_reader.h index 13d278a..9ee483c 100644 --- a/gold/dwarf_reader.h +++ b/gold/dwarf_reader.h @@ -338,7 +338,7 @@ class Dwarf_ranges_table Dwarf_ranges_table(Dwarf_info_reader* dwinfo) : dwinfo_(dwinfo), ranges_shndx_(0), ranges_buffer_(NULL), ranges_buffer_end_(NULL), owns_ranges_buffer_(false), - ranges_reloc_mapper_(NULL), output_section_offset_(0) + ranges_reloc_mapper_(NULL), reloc_type_(0), output_section_offset_(0) { } ~Dwarf_ranges_table() @@ -365,6 +365,11 @@ class Dwarf_ranges_table unsigned int ranges_shndx, off_t ranges_offset); + // Look for a relocation at offset OFF in the range table, + // and return the section index and offset of the target. + unsigned int + lookup_reloc(off_t off, off_t* target_off); + private: // The Dwarf_info_reader, for reading data. Dwarf_info_reader* dwinfo_; @@ -377,6 +382,8 @@ class Dwarf_ranges_table bool owns_ranges_buffer_; // Relocation mapper for the .debug_ranges section. Elf_reloc_mapper* ranges_reloc_mapper_; + // Type of the relocation section (SHT_REL or SHT_RELA). + unsigned int reloc_type_; // For incremental update links, this will hold the offset of the // input section within the output section. Offsets read from // relocated data will be relative to the output section, and need |