// dwarf_reader.cc -- parse dwarf2/3 debug information
-// Copyright (C) 2007-2015 Free Software Foundation, Inc.
+// Copyright (C) 2007-2019 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
break;
}
case elfcpp::DW_FORM_addr:
- case elfcpp::DW_FORM_ref_addr:
{
off_t sec_off;
if (this->dwinfo_->address_size() == 4)
ref_form = true;
break;
}
+ case elfcpp::DW_FORM_ref_addr:
+ {
+ off_t sec_off;
+ if (this->dwinfo_->ref_addr_size() == 4)
+ sec_off = this->dwinfo_->read_from_pointer<32>(&pattr);
+ else
+ sec_off = this->dwinfo_->read_from_pointer<64>(&pattr);
+ unsigned int shndx =
+ this->dwinfo_->lookup_reloc(attr_off, &sec_off);
+ attr_value.aux.shndx = shndx;
+ attr_value.val.refval = sec_off;
+ ref_form = true;
+ break;
+ }
case elfcpp::DW_FORM_block1:
attr_value.aux.blocklen = *pattr++;
attr_value.val.blockval = pattr;
pattr += this->dwinfo_->offset_size();
break;
case elfcpp::DW_FORM_addr:
- case elfcpp::DW_FORM_ref_addr:
pattr += this->dwinfo_->address_size();
break;
+ case elfcpp::DW_FORM_ref_addr:
+ pattr += this->dwinfo_->ref_addr_size();
+ break;
case elfcpp::DW_FORM_block1:
pattr += 1 + *pattr;
break;
header_.min_insn_length = *lineptr;
lineptr += 1;
+ if (header_.version < 4)
+ header_.max_ops_per_insn = 1;
+ else
+ {
+ // DWARF 4 added the maximum_operations_per_instruction field.
+ header_.max_ops_per_insn = *lineptr;
+ lineptr += 1;
+ // TODO: Add support for values other than 1.
+ gold_assert(header_.max_ops_per_insn == 1);
+ }
+
header_.default_is_stmt = *lineptr;
lineptr += 1;