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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-01-10 20:58:36 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-01-10 20:58:36 +0000 |
| commit | 3660ff060af103d25a45e40abe7f5523a20d3455 (patch) | |
| tree | b08d43ddd1f6838d1e8881970084443c7f389994 /gold | |
| parent | df4f944355eead7d98a0183c8d696977c5dadc17 (diff) | |
| download | gdb-3660ff060af103d25a45e40abe7f5523a20d3455.zip gdb-3660ff060af103d25a45e40abe7f5523a20d3455.tar.gz gdb-3660ff060af103d25a45e40abe7f5523a20d3455.tar.bz2 | |
Properly handle R_X86_64_32 for x32
2012-01-10 H.J. Lu <hongjiu.lu@intel.com>
* x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
(Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
under x32.
Diffstat (limited to 'gold')
| -rw-r--r-- | gold/ChangeLog | 6 | ||||
| -rw-r--r-- | gold/x86_64.cc | 16 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index cdbdda2..62f79f5 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,9 @@ +2012-01-10 H.J. Lu <hongjiu.lu@intel.com> + + * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32. + (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32 + under x32. + 2012-01-09 H.J. Lu <hongjiu.lu@intel.com> * x86_64.cc: Initial support for x32. diff --git a/gold/x86_64.cc b/gold/x86_64.cc index 97a440d..3a2cace 100644 --- a/gold/x86_64.cc +++ b/gold/x86_64.cc @@ -1971,6 +1971,9 @@ Target_x86_64<size>::Scan::check_non_pic(Relobj* object, unsigned int r_type, return; /* Fall through. */ case elfcpp::R_X86_64_32: + // R_X86_64_32 is OK for x32. + if (size == 32 && r_type == elfcpp::R_X86_64_32) + return; if (this->issued_non_pic_error_) return; gold_assert(parameters->options().output_is_position_independent()); @@ -2079,6 +2082,19 @@ Target_x86_64<size>::Scan::local(Symbol_table* symtab, // because that is always a 64-bit relocation. if (parameters->options().output_is_position_independent()) { + // Use R_X86_64_RELATIVE relocation for R_X86_64_32 under x32. + if (size == 32 && r_type == elfcpp::R_X86_64_32) + { + unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info()); + Reloc_section* rela_dyn = target->rela_dyn_section(layout); + rela_dyn->add_local_relative(object, r_sym, + elfcpp::R_X86_64_RELATIVE, + output_section, data_shndx, + reloc.get_r_offset(), + reloc.get_r_addend(), is_ifunc); + break; + } + this->check_non_pic(object, r_type, NULL); Reloc_section* rela_dyn = target->rela_dyn_section(layout); |