diff options
Diffstat (limited to 'gold/target.h')
| -rw-r--r-- | gold/target.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gold/target.h b/gold/target.h index 25ac96b..effde15 100644 --- a/gold/target.h +++ b/gold/target.h @@ -421,6 +421,11 @@ class Target size_t* plen) const { return this->do_output_section_name(relobj, name, plen); } + // Add any special sections for this symbol to the gc work list. + void + gc_mark_symbol(Symbol_table* symtab, Symbol* sym) const + { this->do_gc_mark_symbol(symtab, sym); } + protected: // This struct holds the constant information for a child class. We // use a struct to avoid the overhead of virtual function calls for @@ -669,6 +674,11 @@ class Target do_output_section_name(const Relobj*, const char*, size_t*) const { return NULL; } + // This may be overridden by the child class. + virtual void + do_gc_mark_symbol(Symbol_table*, Symbol*) const + { } + private: // The implementations of the four do_make_elf_object virtual functions are // almost identical except for their sizes and endianness. We use a template. @@ -935,6 +945,21 @@ class Sized_target : public Target section_size_type /* view_size */) { gold_unreachable(); } + // Handle target specific gc actions when adding a gc reference from + // SRC_OBJ, SRC_SHNDX to a location specified by DST_OBJ, DST_SHNDX + // and DST_OFF. + void + gc_add_reference(Symbol_table* symtab, + Object* src_obj, + unsigned int src_shndx, + Object* dst_obj, + unsigned int dst_shndx, + typename elfcpp::Elf_types<size>::Elf_Addr dst_off) const + { + this->do_gc_add_reference(symtab, src_obj, src_shndx, + dst_obj, dst_shndx, dst_off); + } + protected: Sized_target(const Target::Target_info* pti) : Target(pti) @@ -946,6 +971,13 @@ class Sized_target : public Target // Set the EI_OSABI field if requested. virtual void do_adjust_elf_header(unsigned char*, int) const; + + // Handle target specific gc actions when adding a gc reference. + virtual void + do_gc_add_reference(Symbol_table*, Object*, unsigned int, + Object*, unsigned int, + typename elfcpp::Elf_types<size>::Elf_Addr) const + { } }; } // End namespace gold. |