can_check_for_function_pointers() const
{ return false; }
+ // Whether a section called SECTION_NAME may have function pointers to
+ // sections not eligible for safe ICF folding.
+ virtual bool
+ section_may_have_icf_unsafe_pointers(const char* section_name) const
+ {
+ // We recognize sections for normal vtables, construction vtables and
+ // EH frames.
+ return (!is_prefix_of(".rodata._ZTV", section_name)
+ && !is_prefix_of(".data.rel.ro._ZTV", section_name)
+ && !is_prefix_of(".rodata._ZTC", section_name)
+ && !is_prefix_of(".data.rel.ro._ZTC", section_name)
+ && !is_prefix_of(".eh_frame", section_name));
+ }
+
// Return the bit size that this target implements. This should
// return 32 or 64.
int
section_size_type view_size,
unsigned char* reloc_view,
section_size_type reloc_view_size) = 0;
+
+ // Perform target-specific processing in a relocatable link. This is
+ // only used if we use the relocation strategy RELOC_SPECIAL.
+ // RELINFO points to a Relocation_info structure. SH_TYPE is the relocation
+ // section type. PRELOC_IN points to the original relocation. RELNUM is
+ // the index number of the relocation in the relocation section.
+ // OUTPUT_SECTION is the output section to which the relocation is applied.
+ // OFFSET_IN_OUTPUT_SECTION is the offset of the relocation input section
+ // within the output section. VIEW points to the output view of the
+ // output section. VIEW_ADDRESS is output address of the view. VIEW_SIZE
+ // is the size of the output view and PRELOC_OUT points to the new
+ // relocation in the output object.
+ //
+ // A target only needs to override this if the generic code in
+ // target-reloc.h cannot handle some relocation types.
+ virtual void
+ relocate_special_relocatable(const Relocate_info<size, big_endian>*
+ /*relinfo */,
+ unsigned int /* sh_type */,
+ const unsigned char* /* preloc_in */,
+ size_t /* relnum */,
+ Output_section* /* output_section */,
+ off_t /* offset_in_output_section */,
+ unsigned char* /* view */,
+ typename elfcpp::Elf_types<size>::Elf_Addr
+ /* view_address */,
+ section_size_type /* view_size */,
+ unsigned char* /* preloc_out*/)
+ { gold_unreachable(); }
+
protected:
Sized_target(const Target::Target_info* pti)
: Target(pti)