diff options
Diffstat (limited to 'gold/icf.cc')
| -rw-r--r-- | gold/icf.cc | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/gold/icf.cc b/gold/icf.cc index 47b6c60..31312bb 100644 --- a/gold/icf.cc +++ b/gold/icf.cc @@ -145,6 +145,8 @@ #include "symtab.h" #include "libiberty.h" #include "demangle.h" +#include "elfcpp.h" +#include "int_encoding.h" namespace gold { @@ -269,12 +271,16 @@ get_section_contents(bool first_iteration, Icf::Addend_info a = (it_reloc_info_list->second).addend_info; // Stores the offset of the reloc. Icf::Offset_info o = (it_reloc_info_list->second).offset_info; + Icf::Reloc_addend_size_info reloc_addend_size_info = + (it_reloc_info_list->second).reloc_addend_size_info; Icf::Sections_reachable_info::iterator it_v = v.begin(); Icf::Symbol_info::iterator it_s = s.begin(); Icf::Addend_info::iterator it_a = a.begin(); Icf::Offset_info::iterator it_o = o.begin(); + Icf::Reloc_addend_size_info::iterator it_addend_size = + reloc_addend_size_info.begin(); - for (; it_v != v.end(); ++it_v, ++it_s, ++it_a, ++it_o) + for (; it_v != v.end(); ++it_v, ++it_s, ++it_a, ++it_o, ++it_addend_size) { // ADDEND_STR stores the symbol value and addend and offset, // each atmost 16 hex digits long. it_a points to a pair @@ -372,6 +378,46 @@ get_section_contents(bool first_iteration, if (addend < 0xffffff00) offset = offset + addend; + // For SHT_REL relocation sections, the addend is stored in the + // text section at the relocation offset. + uint64_t reloc_addend_value = 0; + const unsigned char* reloc_addend_ptr = + contents + static_cast<unsigned long long>(*it_o); + switch(*it_addend_size) + { + case 0: + { + break; + } + case 1: + { + reloc_addend_value = + read_from_pointer<8>(reloc_addend_ptr); + break; + } + case 2: + { + reloc_addend_value = + read_from_pointer<16>(reloc_addend_ptr); + break; + } + case 4: + { + reloc_addend_value = + read_from_pointer<32>(reloc_addend_ptr); + break; + } + case 8: + { + reloc_addend_value = + read_from_pointer<64>(reloc_addend_ptr); + break; + } + default: + gold_unreachable(); + } + offset = offset + reloc_addend_value; + section_size_type secn_len; const unsigned char* str_contents = (it_v->first)->section_contents(it_v->second, |