// sparc.cc -- sparc target support for gold.
-// Copyright 2008, 2009 Free Software Foundation, Inc.
+// Copyright 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
// Written by David S. Miller <davem@davemloft.net>.
// This file is part of gold.
void
gc_process_relocs(Symbol_table* symtab,
Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
unsigned int sh_type,
const unsigned char* prelocs,
void
scan_relocs(Symbol_table* symtab,
Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
unsigned int sh_type,
const unsigned char* prelocs,
void
scan_relocatable_relocs(Symbol_table* symtab,
Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
unsigned int sh_type,
const unsigned char* prelocs,
// Return the size of the GOT section.
section_size_type
- got_size()
+ got_size() const
{
gold_assert(this->got_ != NULL);
return this->got_->data_size();
}
+ // Return the number of entries in the GOT.
+ unsigned int
+ got_entry_count() const
+ {
+ if (this->got_ == NULL)
+ return 0;
+ return this->got_size() / (size / 8);
+ }
+
+ // Return the number of entries in the PLT.
+ unsigned int
+ plt_entry_count() const;
+
+ // Return the offset of the first non-reserved PLT entry.
+ unsigned int
+ first_plt_entry_offset() const;
+
+ // Return the size of each PLT entry.
+ unsigned int
+ plt_entry_size() const;
+
private:
// The class which scans relocations.
: 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,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
Output_section* output_section,
const elfcpp::Rela<size, big_endian>& reloc, unsigned int r_type,
inline void
global(Symbol_table* symtab, Layout* layout, Target_sparc* target,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
Output_section* output_section,
const elfcpp::Rela<size, big_endian>& reloc, unsigned int r_type,
Symbol* gsym);
+ inline bool
+ local_reloc_may_be_function_pointer(Symbol_table* , Layout* ,
+ Target_sparc* ,
+ Sized_relobj_file<size, big_endian>* ,
+ unsigned int ,
+ Output_section* ,
+ const elfcpp::Rela<size, big_endian>& ,
+ unsigned int ,
+ const elfcpp::Sym<size, big_endian>&)
+ { return false; }
+
+ inline bool
+ global_reloc_may_be_function_pointer(Symbol_table* , Layout* ,
+ Target_sparc* ,
+ Sized_relobj_file<size, big_endian>* ,
+ unsigned int ,
+ Output_section* ,
+ const elfcpp::Rela<size,
+ big_endian>& ,
+ unsigned int , Symbol*)
+ { return false; }
+
+
private:
static void
- unsupported_reloc_local(Sized_relobj<size, big_endian>*,
+ unsupported_reloc_local(Sized_relobj_file<size, big_endian>*,
unsigned int r_type);
static void
- unsupported_reloc_global(Sized_relobj<size, big_endian>*,
+ unsupported_reloc_global(Sized_relobj_file<size, big_endian>*,
unsigned int r_type, Symbol*);
static void
{
public:
Relocate()
- : ignore_gd_add_(false)
+ : ignore_gd_add_(false), reloc_adjust_addr_(NULL)
{ }
~Relocate()
// Ignore the next relocation which should be R_SPARC_TLS_GD_ADD
bool ignore_gd_add_;
+
+ // If we hit a reloc at this view address, adjust it back by 4 bytes.
+ unsigned char *reloc_adjust_addr_;
};
// A class which returns the size required for a relocation type,
// Create a GOT entry for the TLS module index.
unsigned int
got_mod_index_entry(Symbol_table* symtab, Layout* layout,
- Sized_relobj<size, big_endian>* object);
+ Sized_relobj_file<size, big_endian>* object);
// Return the gsym for "__tls_get_addr". Cache if not already
// cached.
// Copy a relocation against a global symbol.
void
copy_reloc(Symbol_table* symtab, Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int shndx, Output_section* output_section,
Symbol* sym, const elfcpp::Rela<size, big_endian>& reloc)
{
static Target::Target_info sparc_info;
// The types of GOT entries needed for this platform.
+ // These values are exposed to the ABI in an incremental link.
+ // Do not renumber existing values without changing the version
+ // number of the .gnu_incremental_inputs section.
enum Got_type
{
GOT_TYPE_STANDARD = 0, // GOT entry for a regular symbol
false, // has_resolve
false, // has_code_fill
true, // is_default_stack_executable
+ false, // can_icf_inline_merge_sections
'\0', // wrap_char
"/usr/lib/ld.so.1", // dynamic_linker
0x00010000, // default_text_segment_address
false, // has_resolve
false, // has_code_fill
true, // is_default_stack_executable
+ false, // can_icf_inline_merge_sections
'\0', // wrap_char
"/usr/lib/sparcv9/ld.so.1", // dynamic_linker
0x100000, // default_text_segment_address
rela(unsigned char* view,
unsigned int right_shift,
typename elfcpp::Elf_types<valsize>::Elf_Addr dst_mask,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Swap<valsize, big_endian>::Valtype addend)
{
static inline void
rela_ua(unsigned char* view,
unsigned int right_shift, elfcpp::Elf_Xword dst_mask,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Swap<size, big_endian>::Valtype addend)
{
pcrela(unsigned char* view,
unsigned int right_shift,
typename elfcpp::Elf_types<valsize>::Elf_Addr dst_mask,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Swap<size, big_endian>::Valtype addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
template<int valsize>
static inline void
pcrela_unaligned(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Swap<size, big_endian>::Valtype addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_WDISP30: (Symbol + Addend - Address) >> 2
static inline void
wdisp30(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_WDISP22: (Symbol + Addend - Address) >> 2
static inline void
wdisp22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_WDISP19: (Symbol + Addend - Address) >> 2
static inline void
wdisp19(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_WDISP16: (Symbol + Addend - Address) >> 2
static inline void
wdisp16(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_PC22: (Symbol + Addend - Address) >> 10
static inline void
pc22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_PC10: (Symbol + Addend - Address) & 0x3ff
static inline void
pc10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_HI22: (Symbol + Addend) >> 10
static inline void
hi22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_PCPLT22: (Symbol + Addend - Address) >> 10
static inline void
pcplt22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_LO10: (Symbol + Addend) & 0x3ff
static inline void
lo10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_LO10: (Symbol + Addend) & 0x3ff
static inline void
lo10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_OLO10: ((Symbol + Addend) & 0x3ff) + Addend2
static inline void
olo10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr addend2)
// R_SPARC_22: (Symbol + Addend)
static inline void
rela32_22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_13: (Symbol + Addend)
static inline void
rela32_13(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_UA16: (Symbol + Addend)
static inline void
ua16(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_UA32: (Symbol + Addend)
static inline void
ua32(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_UA64: (Symbol + Addend)
static inline void
ua64(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_DISP8: (Symbol + Addend - Address)
static inline void
disp8(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_DISP16: (Symbol + Addend - Address)
static inline void
disp16(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_DISP32: (Symbol + Addend - Address)
static inline void
disp32(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_DISP64: (Symbol + Addend - Address)
static inline void
disp64(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
elfcpp::Elf_Xword addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_H44: (Symbol + Addend) >> 22
static inline void
h44(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_M44: ((Symbol + Addend) >> 12) & 0x3ff
static inline void
m44(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_L44: (Symbol + Addend) & 0xfff
static inline void
l44(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_HH22: (Symbol + Addend) >> 42
static inline void
hh22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_PC_HH22: (Symbol + Addend - Address) >> 42
static inline void
pc_hh22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_HM10: ((Symbol + Addend) >> 32) & 0x3ff
static inline void
hm10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_PC_HM10: ((Symbol + Addend - Address) >> 32) & 0x3ff
static inline void
pc_hm10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend,
typename elfcpp::Elf_types<size>::Elf_Addr address)
// R_SPARC_11: (Symbol + Addend)
static inline void
rela32_11(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_10: (Symbol + Addend)
static inline void
rela32_10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_7: (Symbol + Addend)
static inline void
rela32_7(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_6: (Symbol + Addend)
static inline void
rela32_6(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_5: (Symbol + Addend)
static inline void
rela32_5(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_HIX22: ((Symbol + Addend) ^ 0xffffffffffffffff) >> 10
static inline void
hix22(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
// R_SPARC_LOX10: ((Symbol + Addend) & 0x3ff) | 0x1c00
static inline void
lox10(unsigned char* view,
- const Sized_relobj<size, big_endian>* object,
+ const Sized_relobj_file<size, big_endian>* object,
const Symbol_value<size>* psymval,
typename elfcpp::Elf_types<size>::Elf_Addr addend)
{
this->got_ = new Output_data_got<size, big_endian>();
- Output_section* os;
- os = layout->add_output_section_data(".got", elfcpp::SHT_PROGBITS,
- (elfcpp::SHF_ALLOC
- | elfcpp::SHF_WRITE),
- this->got_, false, true, false,
- false);
+ layout->add_output_section_data(".got", elfcpp::SHT_PROGBITS,
+ (elfcpp::SHF_ALLOC
+ | elfcpp::SHF_WRITE),
+ this->got_, ORDER_RELRO, true);
// Define _GLOBAL_OFFSET_TABLE_ at the start of the .got section.
symtab->define_in_output_data("_GLOBAL_OFFSET_TABLE_", NULL,
gold_assert(layout != NULL);
this->rela_dyn_ = new Reloc_section(parameters->options().combreloc());
layout->add_output_section_data(".rela.dyn", elfcpp::SHT_RELA,
- elfcpp::SHF_ALLOC, this->rela_dyn_, true,
- false, false, false);
+ elfcpp::SHF_ALLOC, this->rela_dyn_,
+ ORDER_DYNAMIC_RELOCS, false);
}
return this->rela_dyn_;
}
return this->rel_;
}
+ // Return the number of PLT entries.
+ unsigned int
+ entry_count() const
+ { return this->count_; }
+
+ // Return the offset of the first non-reserved PLT entry.
+ static unsigned int
+ first_plt_entry_offset()
+ { return 4 * base_plt_entry_size; }
+
+ // Return the size of a PLT entry.
+ static unsigned int
+ get_plt_entry_size()
+ { return base_plt_entry_size; }
+
protected:
void do_adjust_output_section(Output_section* os);
{
this->rel_ = new Reloc_section(false);
layout->add_output_section_data(".rela.plt", elfcpp::SHT_RELA,
- elfcpp::SHF_ALLOC, this->rel_, true,
- false, false, false);
+ elfcpp::SHF_ALLOC, this->rel_,
+ ORDER_DYNAMIC_PLT_RELOCS, false);
}
template<int size, bool big_endian>
(elfcpp::SHF_ALLOC
| elfcpp::SHF_EXECINSTR
| elfcpp::SHF_WRITE),
- this->plt_, false, false, false, false);
+ this->plt_, ORDER_PLT, false);
// Define _PROCEDURE_LINKAGE_TABLE_ at the start of the .plt section.
symtab->define_in_output_data("_PROCEDURE_LINKAGE_TABLE_", NULL,
this->plt_->add_entry(gsym);
}
+// Return the number of entries in the PLT.
+
+template<int size, bool big_endian>
+unsigned int
+Target_sparc<size, big_endian>::plt_entry_count() const
+{
+ if (this->plt_ == NULL)
+ return 0;
+ return this->plt_->entry_count();
+}
+
+// Return the offset of the first non-reserved PLT entry.
+
+template<int size, bool big_endian>
+unsigned int
+Target_sparc<size, big_endian>::first_plt_entry_offset() const
+{
+ return Output_data_plt_sparc<size, big_endian>::first_plt_entry_offset();
+}
+
+// Return the size of each PLT entry.
+
+template<int size, bool big_endian>
+unsigned int
+Target_sparc<size, big_endian>::plt_entry_size() const
+{
+ return Output_data_plt_sparc<size, big_endian>::get_plt_entry_size();
+}
+
// Create a GOT entry for the TLS module index.
template<int size, bool big_endian>
unsigned int
-Target_sparc<size, big_endian>::got_mod_index_entry(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj<size, big_endian>* object)
+Target_sparc<size, big_endian>::got_mod_index_entry(
+ Symbol_table* symtab,
+ Layout* layout,
+ Sized_relobj_file<size, big_endian>* object)
{
if (this->got_mod_index_offset_ == -1U)
{
}
}
+// 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
template<int size, bool big_endian>
void
Target_sparc<size, big_endian>::Scan::unsupported_reloc_local(
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int r_type)
{
gold_error(_("%s: unsupported reloc %u against local symbol"),
Symbol_table* symtab,
Layout* layout,
Target_sparc<size, big_endian>* target,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
Output_section* output_section,
const elfcpp::Rela<size, big_endian>& reloc,
rela_dyn->add_local_relative(object, r_sym, elfcpp::R_SPARC_RELATIVE,
output_section, data_shndx,
reloc.get_r_offset(),
- reloc.get_r_addend());
+ reloc.get_r_addend(), false);
}
break;
}
else
{
- unsigned int shndx = lsym.get_st_shndx();
- bool is_ordinary;
-
gold_assert(lsym.get_st_value() == 0);
- shndx = object->adjust_sym_shndx(r_sym, shndx,
- &is_ordinary);
- if (!is_ordinary)
- object->error(_("section symbol %u has bad shndx %u"),
- r_sym, shndx);
- else
- rela_dyn->add_local_section(object, shndx,
- r_type, output_section,
- data_shndx, reloc.get_r_offset(),
- reloc.get_r_addend());
+ rela_dyn->add_symbolless_local_addend(object, r_sym, orig_r_type,
+ output_section, data_shndx,
+ reloc.get_r_offset(),
+ reloc.get_r_addend());
}
}
break;
case elfcpp::R_SPARC_WDISP30:
+ case elfcpp::R_SPARC_WPLT30:
case elfcpp::R_SPARC_WDISP22:
case elfcpp::R_SPARC_WDISP19:
case elfcpp::R_SPARC_WDISP16:
object->set_local_got_offset(r_sym, GOT_TYPE_STANDARD, off);
rela_dyn->add_local_relative(object, r_sym,
elfcpp::R_SPARC_RELATIVE,
- got, off, 0);
+ got, off, 0, false);
}
}
else
object->error(_("local symbol %u has bad shndx %u"),
r_sym, shndx);
else
- got->add_local_pair_with_rela(object, r_sym,
- lsym.get_st_shndx(),
- GOT_TYPE_TLS_PAIR,
- target->rela_dyn_section(layout),
- (size == 64
- ? elfcpp::R_SPARC_TLS_DTPMOD64
- : elfcpp::R_SPARC_TLS_DTPMOD32),
- 0);
+ got->add_local_pair_with_rel(object, r_sym,
+ lsym.get_st_shndx(),
+ GOT_TYPE_TLS_PAIR,
+ target->rela_dyn_section(layout),
+ (size == 64
+ ? elfcpp::R_SPARC_TLS_DTPMOD64
+ : elfcpp::R_SPARC_TLS_DTPMOD32),
+ 0);
if (r_type == elfcpp::R_SPARC_TLS_GD_CALL)
generate_tls_call(symtab, layout, target);
}
if (!object->local_has_got_offset(r_sym, GOT_TYPE_TLS_OFFSET))
{
Reloc_section* rela_dyn = target->rela_dyn_section(layout);
+ unsigned int off = got->add_constant(0);
+
+ object->set_local_got_offset(r_sym, GOT_TYPE_TLS_OFFSET, off);
- got->add_local_with_rela(object, r_sym,
- GOT_TYPE_TLS_OFFSET,
- rela_dyn,
- (size == 64 ?
- elfcpp::R_SPARC_TLS_TPOFF64 :
- elfcpp::R_SPARC_TLS_TPOFF32));
+ rela_dyn->add_symbolless_local_addend(object, r_sym,
+ (size == 64 ?
+ elfcpp::R_SPARC_TLS_TPOFF64 :
+ elfcpp::R_SPARC_TLS_TPOFF32),
+ got, off, 0);
}
}
else if (optimized_type != tls::TLSOPT_TO_LE)
gold_assert(lsym.get_st_type() != elfcpp::STT_SECTION);
unsigned int r_sym = elfcpp::elf_r_sym<size>(reloc.get_r_info());
Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_local(object, r_sym, r_type,
- output_section, data_shndx,
- reloc.get_r_offset(), 0);
+ rela_dyn->add_symbolless_local_addend(object, r_sym, r_type,
+ output_section, data_shndx,
+ reloc.get_r_offset(), 0);
}
break;
}
template<int size, bool big_endian>
void
Target_sparc<size, big_endian>::Scan::unsupported_reloc_global(
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int r_type,
Symbol* gsym)
{
Symbol_table* symtab,
Layout* layout,
Target_sparc<size, big_endian>* target,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
Output_section* output_section,
const elfcpp::Rela<size, big_endian>& reloc,
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())
{
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();
+
+ // The assembler can sometimes emit unaligned relocations
+ // for dwarf2 cfi directives.
+ switch (r_type)
+ {
+ case elfcpp::R_SPARC_16:
+ if (r_off & 0x1)
+ orig_r_type = r_type = elfcpp::R_SPARC_UA16;
+ break;
+ case elfcpp::R_SPARC_32:
+ if (r_off & 0x3)
+ orig_r_type = r_type = elfcpp::R_SPARC_UA32;
+ break;
+ case elfcpp::R_SPARC_64:
+ if (r_off & 0x7)
+ orig_r_type = r_type = elfcpp::R_SPARC_UA64;
+ break;
+ case elfcpp::R_SPARC_UA16:
+ if (!(r_off & 0x1))
+ orig_r_type = r_type = elfcpp::R_SPARC_16;
+ break;
+ case elfcpp::R_SPARC_UA32:
+ if (!(r_off & 0x3))
+ orig_r_type = r_type = elfcpp::R_SPARC_32;
+ break;
+ case elfcpp::R_SPARC_UA64:
+ if (!(r_off & 0x7))
+ orig_r_type = r_type = elfcpp::R_SPARC_64;
+ break;
+ }
+
if (gsym->may_need_copy_reloc())
{
target->copy_reloc(symtab, layout, object,
Reloc_section* rela_dyn = target->rela_dyn_section(layout);
check_non_pic(object, r_type);
- rela_dyn->add_global(gsym, orig_r_type, output_section,
- object, data_shndx,
- reloc.get_r_offset(),
- reloc.get_r_addend());
+ if (gsym->is_from_dynobj()
+ || gsym->is_undefined()
+ || gsym->is_preemptible())
+ rela_dyn->add_global(gsym, orig_r_type, output_section,
+ object, data_shndx,
+ reloc.get_r_offset(),
+ reloc.get_r_addend());
+ else
+ rela_dyn->add_symbolless_global_addend(gsym, orig_r_type,
+ output_section,
+ object, data_shndx,
+ reloc.get_r_offset(),
+ reloc.get_r_addend());
}
}
}
if (gsym->is_from_dynobj()
|| gsym->is_undefined()
|| gsym->is_preemptible())
- got->add_global_with_rela(gsym, GOT_TYPE_STANDARD, rela_dyn,
- elfcpp::R_SPARC_GLOB_DAT);
+ got->add_global_with_rel(gsym, GOT_TYPE_STANDARD, rela_dyn,
+ elfcpp::R_SPARC_GLOB_DAT);
else if (!gsym->has_got_offset(GOT_TYPE_STANDARD))
{
unsigned int off = got->add_constant(0);
// dtv-relative offset.
Output_data_got<size, big_endian>* got
= target->got_section(symtab, layout);
- got->add_global_pair_with_rela(gsym, GOT_TYPE_TLS_PAIR,
- target->rela_dyn_section(layout),
- (size == 64 ?
- elfcpp::R_SPARC_TLS_DTPMOD64 :
- elfcpp::R_SPARC_TLS_DTPMOD32),
- (size == 64 ?
- elfcpp::R_SPARC_TLS_DTPOFF64 :
- elfcpp::R_SPARC_TLS_DTPOFF32));
+ got->add_global_pair_with_rel(gsym, GOT_TYPE_TLS_PAIR,
+ target->rela_dyn_section(layout),
+ (size == 64
+ ? elfcpp::R_SPARC_TLS_DTPMOD64
+ : elfcpp::R_SPARC_TLS_DTPMOD32),
+ (size == 64
+ ? elfcpp::R_SPARC_TLS_DTPOFF64
+ : elfcpp::R_SPARC_TLS_DTPOFF32));
// Emit R_SPARC_WPLT30 against "__tls_get_addr"
if (r_type == elfcpp::R_SPARC_TLS_GD_CALL)
// Create a GOT entry for the tp-relative offset.
Output_data_got<size, big_endian>* got
= target->got_section(symtab, layout);
- got->add_global_with_rela(gsym, GOT_TYPE_TLS_OFFSET,
- target->rela_dyn_section(layout),
- (size == 64 ?
- elfcpp::R_SPARC_TLS_TPOFF64 :
- elfcpp::R_SPARC_TLS_TPOFF32));
+ got->add_global_with_rel(gsym, GOT_TYPE_TLS_OFFSET,
+ target->rela_dyn_section(layout),
+ (size == 64 ?
+ elfcpp::R_SPARC_TLS_TPOFF64 :
+ elfcpp::R_SPARC_TLS_TPOFF32));
}
else if (optimized_type != tls::TLSOPT_TO_LE)
unsupported_reloc_global(object, r_type, gsym);
if (parameters->options().shared())
{
Reloc_section* rela_dyn = target->rela_dyn_section(layout);
- rela_dyn->add_global(gsym, orig_r_type,
- output_section, object,
- data_shndx, reloc.get_r_offset(),
- 0);
+ rela_dyn->add_symbolless_global_addend(gsym, orig_r_type,
+ output_section, object,
+ data_shndx, reloc.get_r_offset(),
+ 0);
}
break;
// Create a GOT entry for the tp-relative offset.
Output_data_got<size, big_endian>* got
= target->got_section(symtab, layout);
- got->add_global_with_rela(gsym, GOT_TYPE_TLS_OFFSET,
- target->rela_dyn_section(layout),
- (size == 64 ?
- elfcpp::R_SPARC_TLS_TPOFF64 :
- elfcpp::R_SPARC_TLS_TPOFF32));
+ got->add_global_with_rel(gsym, GOT_TYPE_TLS_OFFSET,
+ target->rela_dyn_section(layout),
+ (size == 64
+ ? elfcpp::R_SPARC_TLS_TPOFF64
+ : elfcpp::R_SPARC_TLS_TPOFF32));
}
else if (optimized_type != tls::TLSOPT_TO_LE)
unsupported_reloc_global(object, r_type, gsym);
Target_sparc<size, big_endian>::gc_process_relocs(
Symbol_table* symtab,
Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
unsigned int,
const unsigned char* prelocs,
typedef Target_sparc<size, big_endian> Sparc;
typedef typename Target_sparc<size, big_endian>::Scan Scan;
- gold::gc_process_relocs<size, big_endian, Sparc, elfcpp::SHT_RELA, Scan>(
+ gold::gc_process_relocs<size, big_endian, Sparc, elfcpp::SHT_RELA, Scan,
+ typename Target_sparc::Relocatable_size_for_reloc>(
symtab,
layout,
this,
Target_sparc<size, big_endian>::scan_relocs(
Symbol_table* symtab,
Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
unsigned int sh_type,
const unsigned char* prelocs,
return false;
}
}
+ if (this->reloc_adjust_addr_ == view)
+ view -= 4;
typedef Sparc_relocate_functions<size, big_endian> Reloc;
// 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;
psymval = &symval;
}
- const Sized_relobj<size, big_endian>* object = relinfo->object;
+ const Sized_relobj_file<size, big_endian>* object = relinfo->object;
const elfcpp::Elf_Xword addend = rela.get_r_addend();
// Get the GOT offset if needed. Unlike i386 and x86_64, our GOT
// pointer points to the beginning, not the end, of the table.
// So we just use the plain offset.
- bool have_got_offset = false;
unsigned int got_offset = 0;
switch (r_type)
{
gold_assert(object->local_has_got_offset(r_sym, GOT_TYPE_STANDARD));
got_offset = object->local_got_offset(r_sym, GOT_TYPE_STANDARD);
}
- have_got_offset = true;
break;
default:
{
Output_segment* tls_segment = relinfo->layout->tls_segment();
typedef Sparc_relocate_functions<size, big_endian> Reloc;
- const Sized_relobj<size, big_endian>* object = relinfo->object;
+ const Sized_relobj_file<size, big_endian>* object = relinfo->object;
typedef typename elfcpp::Swap<32, true>::Valtype Insntype;
const elfcpp::Elf_Xword addend = rela.get_r_addend();
// The compiler can put the TLS_GD_ADD instruction
// into the delay slot of the call. If so, we need
// to transpose the two instructions so that the
- // the new sequence works properly.
+ // new sequence works properly.
//
// The test we use is if the instruction in the
// delay slot is an add with destination register
wv += 1;
this->ignore_gd_add_ = true;
}
-
+ else
+ {
+ // Even if the delay slot isn't the TLS_GD_ADD
+ // instruction, we still have to handle the case
+ // where it sets up %o0 in some other way.
+ elfcpp::Swap<32, true>::writeval(wv, val);
+ wv += 1;
+ this->reloc_adjust_addr_ = view + 4;
+ }
// call __tls_get_addr --> add %g7, %o0, %o0
elfcpp::Swap<32, true>::writeval(wv, 0x9001c008);
break;
Target_sparc<size, big_endian>::scan_relocatable_relocs(
Symbol_table* symtab,
Layout* layout,
- Sized_relobj<size, big_endian>* object,
+ Sized_relobj_file<size, big_endian>* object,
unsigned int data_shndx,
unsigned int sh_type,
const unsigned char* prelocs,
public:
Target_selector_sparc()
: Target_selector(elfcpp::EM_NONE, size, big_endian,
- (size == 64 ? "elf64-sparc" : "elf32-sparc"))
+ (size == 64 ? "elf64-sparc" : "elf32-sparc"),
+ (size == 64 ? "elf64_sparc" : "elf32_sparc"))
{ }
Target* do_recognize(int machine, int, int)
projects / thirdparty / binutils-gdb.git / blobdiff