got_mod_index_offset_(-1U), tls_base_symbol_defined_(false)
{ }
+ inline bool
+ can_check_for_function_pointers() const
+ { return true; }
+
// Process the relocations to determine unreferenced sections for
// garbage collection.
void
return Target::do_is_local_label_name(name);
}
+ // Return whether SYM is call to a non-split function.
+ bool
+ do_is_call_to_non_split(const Symbol* sym, unsigned int) const;
+
// Adjust -fstack-split code which calls non-stack-split code.
void
do_calls_non_split(Relobj* object, unsigned int shndx,
Symbol* gsym);
inline bool
- local_reloc_may_be_function_pointer(Symbol_table* , Layout* , Target_i386* ,
- Sized_relobj<32, false>* ,
- unsigned int ,
- Output_section* ,
- const elfcpp::Rel<32, false>& ,
- unsigned int ,
- const elfcpp::Sym<32, false>&)
- { return false; }
+ local_reloc_may_be_function_pointer(Symbol_table* symtab, Layout* layout,
+ Target_i386* target,
+ Sized_relobj<32, false>* object,
+ unsigned int data_shndx,
+ Output_section* output_section,
+ const elfcpp::Rel<32, false>& reloc,
+ unsigned int r_type,
+ const elfcpp::Sym<32, false>& lsym);
+
+ inline bool
+ global_reloc_may_be_function_pointer(Symbol_table* symtab, Layout* layout,
+ Target_i386* target,
+ Sized_relobj<32, false>* object,
+ unsigned int data_shndx,
+ Output_section* output_section,
+ const elfcpp::Rel<32, false>& reloc,
+ unsigned int r_type,
+ Symbol* gsym);
inline bool
- global_reloc_may_be_function_pointer(Symbol_table* , Layout* ,
- Target_i386* ,
- Sized_relobj<32, false>* ,
- unsigned int ,
- Output_section* ,
- const elfcpp::Rel<32, false>& ,
- unsigned int , Symbol*)
- { return false; }
+ possible_function_pointer_reloc(unsigned int r_type);
static void
unsupported_reloc_local(Sized_relobj<32, false>*, unsigned int r_type);
object->name().c_str(), r_type, gsym->demangled_name().c_str());
}
+inline bool
+Target_i386::Scan::possible_function_pointer_reloc(unsigned int r_type)
+{
+ switch (r_type)
+ {
+ case elfcpp::R_386_32:
+ case elfcpp::R_386_16:
+ case elfcpp::R_386_8:
+ case elfcpp::R_386_GOTOFF:
+ case elfcpp::R_386_GOT32:
+ {
+ return true;
+ }
+ default:
+ return false;
+ }
+ return false;
+}
+
+inline bool
+Target_i386::Scan::local_reloc_may_be_function_pointer(
+ Symbol_table* ,
+ Layout* ,
+ Target_i386* ,
+ Sized_relobj<32, false>* ,
+ unsigned int ,
+ Output_section* ,
+ const elfcpp::Rel<32, false>& ,
+ unsigned int r_type,
+ const elfcpp::Sym<32, false>&)
+{
+ return possible_function_pointer_reloc(r_type);
+}
+
+inline bool
+Target_i386::Scan::global_reloc_may_be_function_pointer(
+ Symbol_table* ,
+ Layout* ,
+ Target_i386* ,
+ Sized_relobj<32, false>* ,
+ unsigned int ,
+ Output_section* ,
+ const elfcpp::Rel<32, false>& ,
+ unsigned int r_type,
+ Symbol*)
+{
+ return possible_function_pointer_reloc(r_type);
+}
+
// Scan a relocation for a global symbol.
inline void
return std::string(nops[length], length);
}
+// Return whether SYM should be treated as a call to a non-split
+// function. We don't want that to be true of a call to a
+// get_pc_thunk function.
+
+bool
+Target_i386::do_is_call_to_non_split(const Symbol* sym, unsigned int) const
+{
+ return (sym->type() == elfcpp::STT_FUNC
+ && !is_prefix_of("__i686.get_pc_thunk.", sym->name()));
+}
+
// FNOFFSET in section SHNDX in OBJECT is the start of a function
// compiled with -fstack-split. The function calls non-stack-split
// code. We have to change the function so that it always ensures