// powerpc.cc -- powerpc target support for gold.
-// Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
// Written by David S. Miller <davem@davemloft.net>
// and David Edelsohn <edelsohn@gnu.org>
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,
: issued_non_pic_error_(false)
{ }
+ static inline int
+ get_reference_flags(unsigned int r_type);
+
inline void
local(Symbol_table* symtab, Layout* layout, Target_powerpc* 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_powerpc* 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 bool
local_reloc_may_be_function_pointer(Symbol_table* , Layout* ,
Target_powerpc* ,
- Sized_relobj<size, big_endian>* ,
+ Sized_relobj_file<size, big_endian>* ,
unsigned int ,
Output_section* ,
const elfcpp::Rela<size, big_endian>& ,
inline bool
global_reloc_may_be_function_pointer(Symbol_table* , Layout* ,
Target_powerpc* ,
- Sized_relobj<size, big_endian>* ,
+ Sized_relobj_file<size, big_endian>* ,
unsigned int ,
Output_section* ,
const elfcpp::Rela<size,
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
// 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);
// Get the PLT section.
const Output_data_plt_powerpc<size, big_endian>*
// 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)
{
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
0x10000000, // 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/ld.so.1", // dynamic_linker
0x10000000, // 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/ld.so.1", // dynamic_linker
0x10000000, // 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/ld.so.1", // dynamic_linker
0x10000000, // default_text_segment_address
rela(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<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)
{
static inline void
pcrela(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,
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_POWERPC_REL32: (Symbol + Addend - Address)
static inline void
rel32(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_POWERPC_REL24: (Symbol + Addend - Address) & 0x3fffffc
static inline void
rel24(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_POWERPC_REL14: (Symbol + Addend - Address) & 0xfffc
static inline void
rel14(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)
static inline void
addr16(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_reloc::rela16(view, object, psymval, addend); }
static inline void
addr16_lo(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_reloc::rela16(view, object, psymval, addend); }
static inline void
addr16_hi(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)
{
static inline void
addr16_ha(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_PPC_REL16: (Symbol + Addend - Address) & 0xffff
static inline void
rel16(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_PPC_REL16_LO: (Symbol + Addend - Address) & 0xffff
static inline void
rel16_lo(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_PPC_REL16_HI: ((Symbol + Addend - Address) >> 16) & 0xffff
static inline void
rel16_hi(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)
// relocation is negative, add one.
static inline void
rel16_ha(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)
template<int size, bool big_endian>
unsigned int
-Target_powerpc<size, big_endian>::got_mod_index_entry(Symbol_table* symtab,
- Layout* layout,
- Sized_relobj<size, big_endian>* object)
+Target_powerpc<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_powerpc<size, big_endian>::Scan::get_reference_flags(
+ unsigned int r_type)
+{
+ switch (r_type)
+ {
+ case elfcpp::R_POWERPC_NONE:
+ case elfcpp::R_POWERPC_GNU_VTINHERIT:
+ case elfcpp::R_POWERPC_GNU_VTENTRY:
+ case elfcpp::R_PPC64_TOC:
+ // No symbol reference.
+ return 0;
+
+ case elfcpp::R_POWERPC_ADDR16:
+ case elfcpp::R_POWERPC_ADDR16_LO:
+ case elfcpp::R_POWERPC_ADDR16_HI:
+ case elfcpp::R_POWERPC_ADDR16_HA:
+ case elfcpp::R_POWERPC_ADDR32:
+ case elfcpp::R_PPC64_ADDR64:
+ return Symbol::ABSOLUTE_REF;
+
+ case elfcpp::R_POWERPC_REL24:
+ case elfcpp::R_PPC_LOCAL24PC:
+ case elfcpp::R_PPC_REL16:
+ case elfcpp::R_PPC_REL16_LO:
+ case elfcpp::R_PPC_REL16_HI:
+ case elfcpp::R_PPC_REL16_HA:
+ return Symbol::RELATIVE_REF;
+
+ case elfcpp::R_PPC_PLTREL24:
+ return Symbol::FUNCTION_CALL | Symbol::RELATIVE_REF;
+
+ case elfcpp::R_POWERPC_GOT16:
+ case elfcpp::R_POWERPC_GOT16_LO:
+ case elfcpp::R_POWERPC_GOT16_HI:
+ case elfcpp::R_POWERPC_GOT16_HA:
+ case elfcpp::R_PPC64_TOC16:
+ case elfcpp::R_PPC64_TOC16_LO:
+ case elfcpp::R_PPC64_TOC16_HI:
+ case elfcpp::R_PPC64_TOC16_HA:
+ case elfcpp::R_PPC64_TOC16_DS:
+ case elfcpp::R_PPC64_TOC16_LO_DS:
+ // Absolute in GOT.
+ return Symbol::ABSOLUTE_REF;
+
+ case elfcpp::R_POWERPC_GOT_TPREL16:
+ case elfcpp::R_POWERPC_TLS:
+ return Symbol::TLS_REF;
+
+ case elfcpp::R_POWERPC_COPY:
+ case elfcpp::R_POWERPC_GLOB_DAT:
+ case elfcpp::R_POWERPC_JMP_SLOT:
+ case elfcpp::R_POWERPC_RELATIVE:
+ case elfcpp::R_POWERPC_DTPMOD:
+ default:
+ // Not expected. We will give an error later.
+ return 0;
+ }
+}
+
// Report an unsupported relocation against a local symbol.
template<int size, bool big_endian>
void
Target_powerpc<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_powerpc<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, r_type,
output_section, data_shndx,
reloc.get_r_offset(),
- reloc.get_r_addend());
+ reloc.get_r_addend(), false);
}
}
break;
object->set_local_got_offset(r_sym, GOT_TYPE_STANDARD, off);
rela_dyn->add_local_relative(object, r_sym,
elfcpp::R_POWERPC_RELATIVE,
- got, off, 0);
+ got, off, 0, false);
}
}
else
template<int size, bool big_endian>
void
Target_powerpc<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_powerpc<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,
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)))
{
if (gsym->may_need_copy_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())
{
if (gsym->is_from_dynobj()
|| gsym->is_undefined()
|| gsym->is_preemptible())
- got->add_global_with_rela(gsym, GOT_TYPE_STANDARD, rela_dyn,
- elfcpp::R_POWERPC_GLOB_DAT);
+ got->add_global_with_rel(gsym, GOT_TYPE_STANDARD, rela_dyn,
+ elfcpp::R_POWERPC_GLOB_DAT);
else if (!gsym->has_got_offset(GOT_TYPE_STANDARD))
{
unsigned int off = got->add_constant(0);
Target_powerpc<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,
Target_powerpc<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,
// 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_POWERPC_REL24
- || r_type == elfcpp::R_PPC_LOCAL24PC
- || r_type == elfcpp::R_PPC_REL16
- || r_type == elfcpp::R_PPC_REL16_LO
- || r_type == elfcpp::R_PPC_REL16_HI
- || r_type == elfcpp::R_PPC_REL16_HA))
+ && 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;
elfcpp::Elf_Xword addend = rela.get_r_addend();
// Get the GOT offset if needed. Unlike i386 and x86_64, our GOT
{
Output_segment* tls_segment = relinfo->layout->tls_segment();
typedef Powerpc_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;
const elfcpp::Elf_Xword addend = rela.get_r_addend();
typename elfcpp::Elf_types<size>::Elf_Addr value = psymval->value(object, 0);
Target_powerpc<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_powerpc()
: Target_selector(elfcpp::EM_NONE, size, big_endian,
- (size == 64 ?
- (big_endian ? "elf64-powerpc" : "elf64-powerpcle") :
- (big_endian ? "elf32-powerpc" : "elf32-powerpcle")))
+ (size == 64
+ ? (big_endian ? "elf64-powerpc" : "elf64-powerpcle")
+ : (big_endian ? "elf32-powerpc" : "elf32-powerpcle")),
+ (size == 64
+ ? (big_endian ? "elf64ppc" : "elf64lppc")
+ : (big_endian ? "elf32ppc" : "elf32lppc")))
{ }
Target* do_recognize(int machine, int, int)
projects / binutils-gdb.git / blobdiff