diff options
Diffstat (limited to 'gold/sparc.cc')
| -rw-r--r-- | gold/sparc.cc | 137 |
1 files changed, 119 insertions, 18 deletions
diff --git a/gold/sparc.cc b/gold/sparc.cc index 2f8ef7a..22bdd2c 100644 --- a/gold/sparc.cc +++ b/gold/sparc.cc @@ -198,6 +198,9 @@ class Target_sparc : public Sized_target<size, big_endian> : issued_non_pic_error_(false) { } + static inline int + get_reference_flags(unsigned int r_type); + inline void local(Symbol_table* symtab, Layout* layout, Target_sparc* target, Sized_relobj<size, big_endian>* object, @@ -1576,6 +1579,119 @@ optimize_tls_reloc(bool is_final, int r_type) } } +// Get the Reference_flags for a particular relocation. + +template<int size, bool big_endian> +int +Target_sparc<size, big_endian>::Scan::get_reference_flags(unsigned int r_type) +{ + r_type &= 0xff; + switch (r_type) + { + case elfcpp::R_SPARC_NONE: + case elfcpp::R_SPARC_REGISTER: + case elfcpp::R_SPARC_GNU_VTINHERIT: + case elfcpp::R_SPARC_GNU_VTENTRY: + // No symbol reference. + return 0; + + case elfcpp::R_SPARC_UA64: + case elfcpp::R_SPARC_64: + case elfcpp::R_SPARC_HIX22: + case elfcpp::R_SPARC_LOX10: + case elfcpp::R_SPARC_H44: + case elfcpp::R_SPARC_M44: + case elfcpp::R_SPARC_L44: + case elfcpp::R_SPARC_HH22: + case elfcpp::R_SPARC_HM10: + case elfcpp::R_SPARC_LM22: + case elfcpp::R_SPARC_HI22: + case elfcpp::R_SPARC_LO10: + case elfcpp::R_SPARC_OLO10: + case elfcpp::R_SPARC_UA32: + case elfcpp::R_SPARC_32: + case elfcpp::R_SPARC_UA16: + case elfcpp::R_SPARC_16: + case elfcpp::R_SPARC_11: + case elfcpp::R_SPARC_10: + case elfcpp::R_SPARC_8: + case elfcpp::R_SPARC_7: + case elfcpp::R_SPARC_6: + case elfcpp::R_SPARC_5: + return Symbol::ABSOLUTE_REF; + + case elfcpp::R_SPARC_DISP8: + case elfcpp::R_SPARC_DISP16: + case elfcpp::R_SPARC_DISP32: + case elfcpp::R_SPARC_DISP64: + case elfcpp::R_SPARC_PC_HH22: + case elfcpp::R_SPARC_PC_HM10: + case elfcpp::R_SPARC_PC_LM22: + case elfcpp::R_SPARC_PC10: + case elfcpp::R_SPARC_PC22: + case elfcpp::R_SPARC_WDISP30: + case elfcpp::R_SPARC_WDISP22: + case elfcpp::R_SPARC_WDISP19: + case elfcpp::R_SPARC_WDISP16: + return Symbol::RELATIVE_REF; + + case elfcpp::R_SPARC_PLT64: + case elfcpp::R_SPARC_PLT32: + case elfcpp::R_SPARC_HIPLT22: + case elfcpp::R_SPARC_LOPLT10: + case elfcpp::R_SPARC_PCPLT10: + return Symbol::FUNCTION_CALL | Symbol::ABSOLUTE_REF; + + case elfcpp::R_SPARC_PCPLT32: + case elfcpp::R_SPARC_PCPLT22: + case elfcpp::R_SPARC_WPLT30: + return Symbol::FUNCTION_CALL | Symbol::RELATIVE_REF; + + case elfcpp::R_SPARC_GOTDATA_OP: + case elfcpp::R_SPARC_GOTDATA_OP_HIX22: + case elfcpp::R_SPARC_GOTDATA_OP_LOX10: + case elfcpp::R_SPARC_GOT10: + case elfcpp::R_SPARC_GOT13: + case elfcpp::R_SPARC_GOT22: + // Absolute in GOT. + return Symbol::ABSOLUTE_REF; + + case elfcpp::R_SPARC_TLS_GD_HI22: // Global-dynamic + case elfcpp::R_SPARC_TLS_GD_LO10: + case elfcpp::R_SPARC_TLS_GD_ADD: + case elfcpp::R_SPARC_TLS_GD_CALL: + case elfcpp::R_SPARC_TLS_LDM_HI22: // Local-dynamic + case elfcpp::R_SPARC_TLS_LDM_LO10: + case elfcpp::R_SPARC_TLS_LDM_ADD: + case elfcpp::R_SPARC_TLS_LDM_CALL: + case elfcpp::R_SPARC_TLS_LDO_HIX22: // Alternate local-dynamic + case elfcpp::R_SPARC_TLS_LDO_LOX10: + case elfcpp::R_SPARC_TLS_LDO_ADD: + case elfcpp::R_SPARC_TLS_LE_HIX22: + case elfcpp::R_SPARC_TLS_LE_LOX10: + case elfcpp::R_SPARC_TLS_IE_HI22: // Initial-exec + case elfcpp::R_SPARC_TLS_IE_LO10: + case elfcpp::R_SPARC_TLS_IE_LD: + case elfcpp::R_SPARC_TLS_IE_LDX: + case elfcpp::R_SPARC_TLS_IE_ADD: + return Symbol::TLS_REF; + + case elfcpp::R_SPARC_COPY: + case elfcpp::R_SPARC_GLOB_DAT: + case elfcpp::R_SPARC_JMP_SLOT: + case elfcpp::R_SPARC_RELATIVE: + case elfcpp::R_SPARC_TLS_DTPMOD64: + case elfcpp::R_SPARC_TLS_DTPMOD32: + case elfcpp::R_SPARC_TLS_DTPOFF64: + case elfcpp::R_SPARC_TLS_DTPOFF32: + case elfcpp::R_SPARC_TLS_TPOFF64: + case elfcpp::R_SPARC_TLS_TPOFF32: + default: + // Not expected. We will give an error later. + return 0; + } +} + // Generate a PLT entry slot for a call to __tls_get_addr template<int size, bool big_endian> void @@ -2068,10 +2184,7 @@ Target_sparc<size, big_endian>::Scan::global( if (gsym->needs_plt_entry()) target->make_plt_entry(symtab, layout, gsym); // Make a dynamic relocation if necessary. - int flags = Symbol::NON_PIC_REF; - if (gsym->type() == elfcpp::STT_FUNC) - flags |= Symbol::FUNCTION_CALL; - if (gsym->needs_dynamic_reloc(flags)) + if (gsym->needs_dynamic_reloc(Scan::get_reference_flags(r_type))) { if (gsym->may_need_copy_reloc()) { @@ -2127,7 +2240,7 @@ Target_sparc<size, big_endian>::Scan::global( gsym->set_needs_dynsym_value(); } // Make a dynamic relocation if necessary. - if (gsym->needs_dynamic_reloc(Symbol::ABSOLUTE_REF)) + if (gsym->needs_dynamic_reloc(Scan::get_reference_flags(r_type))) { unsigned int r_off = reloc.get_r_offset(); @@ -2512,19 +2625,7 @@ Target_sparc<size, big_endian>::Relocate::relocate( // Pick the value to use for symbols defined in shared objects. Symbol_value<size> symval; if (gsym != NULL - && gsym->use_plt_offset(r_type == elfcpp::R_SPARC_DISP8 - || r_type == elfcpp::R_SPARC_DISP16 - || r_type == elfcpp::R_SPARC_DISP32 - || r_type == elfcpp::R_SPARC_DISP64 - || r_type == elfcpp::R_SPARC_PC_HH22 - || r_type == elfcpp::R_SPARC_PC_HM10 - || r_type == elfcpp::R_SPARC_PC_LM22 - || r_type == elfcpp::R_SPARC_PC10 - || r_type == elfcpp::R_SPARC_PC22 - || r_type == elfcpp::R_SPARC_WDISP30 - || r_type == elfcpp::R_SPARC_WDISP22 - || r_type == elfcpp::R_SPARC_WDISP19 - || r_type == elfcpp::R_SPARC_WDISP16)) + && gsym->use_plt_offset(Scan::get_reference_flags(r_type))) { elfcpp::Elf_Xword value; |