diff options
Diffstat (limited to 'gold/target.h')
| -rw-r--r-- | gold/target.h | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/gold/target.h b/gold/target.h index 27e8a2e..c0f24ee 100644 --- a/gold/target.h +++ b/gold/target.h @@ -321,13 +321,13 @@ class Target ehframe_datarel_base() const { return this->do_ehframe_datarel_base(); } - // Return true if a reference to SYM from a reloc of type R_TYPE + // Return true if a reference to SYM from a reloc at *PRELOC // means that the current function may call an object compiled // without -fsplit-stack. SYM is known to be defined in an object // compiled without -fsplit-stack. bool - is_call_to_non_split(const Symbol* sym, unsigned int r_type) const - { return this->do_is_call_to_non_split(sym, r_type); } + is_call_to_non_split(const Symbol* sym, const unsigned char* preloc) const + { return this->do_is_call_to_non_split(sym, preloc); } // A function starts at OFFSET in section SHNDX in OBJECT. That // function was compiled with -fsplit-stack, but it refers to a @@ -661,7 +661,7 @@ class Target // default implementation is that any function not defined by the // ABI is a call to a non-split function. virtual bool - do_is_call_to_non_split(const Symbol* sym, unsigned int) const; + do_is_call_to_non_split(const Symbol* sym, const unsigned char*) const; // Virtual function which may be overridden by the child class. virtual void @@ -926,6 +926,22 @@ class Sized_target : public Target const unsigned char* plocal_symbols, Relocatable_relocs*) = 0; + // Scan the relocs for --emit-relocs. The parameters are + // like scan_relocatable_relocs. + virtual void + emit_relocs_scan(Symbol_table* symtab, + Layout* layout, + Sized_relobj_file<size, big_endian>* object, + unsigned int data_shndx, + unsigned int sh_type, + const unsigned char* prelocs, + size_t reloc_count, + Output_section* output_section, + bool needs_special_offset_handling, + size_t local_symbol_count, + const unsigned char* plocal_syms, + Relocatable_relocs* rr) = 0; + // Emit relocations for a section during a relocatable link, and for // --emit-relocs. The parameters are like relocate_section, with // additional parameters for the view of the output reloc section. @@ -1084,6 +1100,19 @@ class Sized_target : public Target dst_obj, dst_shndx, dst_off); } + // Return the r_sym field from a relocation. + // Most targets can use the default version of this routine, + // but some targets have a non-standard r_info field, and will + // need to provide a target-specific version. + virtual unsigned int + get_r_sym(const unsigned char* preloc) const + { + // Since REL and RELA relocs share the same structure through + // the r_info field, we can just use REL here. + elfcpp::Rel<size, big_endian> rel(preloc); + return elfcpp::elf_r_sym<size>(rel.get_r_info()); + } + protected: Sized_target(const Target::Target_info* pti) : Target(pti) |