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-rw-r--r--gold/x86_64.cc336
1 files changed, 249 insertions, 87 deletions
diff --git a/gold/x86_64.cc b/gold/x86_64.cc
index adcfd42..da4efed 100644
--- a/gold/x86_64.cc
+++ b/gold/x86_64.cc
@@ -54,22 +54,24 @@ class Output_data_plt_x86_64 : public Output_section_data
public:
typedef Output_data_reloc<elfcpp::SHT_RELA, true, 64, false> Reloc_section;
- Output_data_plt_x86_64(Symbol_table* symtab, Layout* layout,
- Output_data_got<64, false>* got,
- Output_data_space* got_plt)
- : Output_section_data(16), tlsdesc_rel_(NULL), got_(got), got_plt_(got_plt),
- count_(0), tlsdesc_got_offset_(-1U), free_list_()
- { this->init(symtab, layout); }
-
- Output_data_plt_x86_64(Symbol_table* symtab, Layout* layout,
- Output_data_got<64, false>* got,
+ Output_data_plt_x86_64(Layout* layout, Output_data_got<64, false>* got,
Output_data_space* got_plt,
+ Output_data_space* got_irelative)
+ : Output_section_data(16), tlsdesc_rel_(NULL), irelative_rel_(NULL),
+ got_(got), got_plt_(got_plt), got_irelative_(got_irelative), count_(0),
+ irelative_count_(0), tlsdesc_got_offset_(-1U), free_list_()
+ { this->init(layout); }
+
+ Output_data_plt_x86_64(Layout* layout, Output_data_got<64, false>* got,
+ Output_data_space* got_plt,
+ Output_data_space* got_irelative,
unsigned int plt_count)
: Output_section_data((plt_count + 1) * plt_entry_size, 16, false),
- tlsdesc_rel_(NULL), got_(got), got_plt_(got_plt),
- count_(plt_count), tlsdesc_got_offset_(-1U), free_list_()
+ tlsdesc_rel_(NULL), irelative_rel_(NULL), got_(got), got_plt_(got_plt),
+ got_irelative_(got_irelative), count_(plt_count), irelative_count_(0),
+ tlsdesc_got_offset_(-1U), free_list_()
{
- this->init(symtab, layout);
+ this->init(layout);
// Initialize the free list and reserve the first entry.
this->free_list_.init((plt_count + 1) * plt_entry_size, false);
@@ -78,20 +80,22 @@ class Output_data_plt_x86_64 : public Output_section_data
// Initialize the PLT section.
void
- init(Symbol_table* symtab, Layout* layout);
+ init(Layout* layout);
// Add an entry to the PLT.
void
- add_entry(Symbol* gsym);
+ add_entry(Symbol_table*, Layout*, Symbol* gsym);
// Add an entry to the PLT for a local STT_GNU_IFUNC symbol.
unsigned int
- add_local_ifunc_entry(Sized_relobj_file<64, false>* relobj,
+ add_local_ifunc_entry(Symbol_table* symtab, Layout*,
+ Sized_relobj_file<64, false>* relobj,
unsigned int local_sym_index);
// Add the relocation for a PLT entry.
void
- add_relocation(Symbol* gsym, unsigned int got_offset);
+ add_relocation(Symbol_table*, Layout*, Symbol* gsym,
+ unsigned int got_offset);
// Add the reserved TLSDESC_PLT entry to the PLT.
void
@@ -111,7 +115,7 @@ class Output_data_plt_x86_64 : public Output_section_data
// Return the offset of the reserved TLSDESC_PLT entry.
unsigned int
get_tlsdesc_plt_offset() const
- { return (this->count_ + 1) * plt_entry_size; }
+ { return (this->count_ + this->irelative_count_ + 1) * plt_entry_size; }
// Return the .rela.plt section data.
Reloc_section*
@@ -122,10 +126,20 @@ class Output_data_plt_x86_64 : public Output_section_data
Reloc_section*
rela_tlsdesc(Layout*);
+ // Return where the IRELATIVE relocations should go in the PLT
+ // relocations.
+ Reloc_section*
+ rela_irelative(Symbol_table*, Layout*);
+
+ // Return whether we created a section for IRELATIVE relocations.
+ bool
+ has_irelative_section() const
+ { return this->irelative_rel_ != NULL; }
+
// Return the number of PLT entries.
unsigned int
entry_count() const
- { return this->count_; }
+ { return this->count_ + this->irelative_count_; }
// Return the offset of the first non-reserved PLT entry.
static unsigned int
@@ -145,6 +159,14 @@ class Output_data_plt_x86_64 : public Output_section_data
(plt_index + 2) * plt_entry_size);
}
+ // Return the PLT address to use for a global symbol.
+ uint64_t
+ address_for_global(const Symbol*);
+
+ // Return the PLT address to use for a local symbol.
+ uint64_t
+ address_for_local(const Relobj*, unsigned int symndx);
+
protected:
void
do_adjust_output_section(Output_section* os);
@@ -188,12 +210,20 @@ class Output_data_plt_x86_64 : public Output_section_data
// The TLSDESC relocs, if necessary. These must follow the regular
// PLT relocs.
Reloc_section* tlsdesc_rel_;
+ // The IRELATIVE relocs, if necessary. These must follow the
+ // regular PLT relocations and the TLSDESC relocations.
+ Reloc_section* irelative_rel_;
// The .got section.
Output_data_got<64, false>* got_;
// The .got.plt section.
Output_data_space* got_plt_;
+ // The part of the .got.plt section used for IRELATIVE relocs.
+ Output_data_space* got_irelative_;
// The number of PLT entries.
unsigned int count_;
+ // Number of PLT entries with R_X86_64_IRELATIVE relocs. These
+ // follow the regular PLT entries.
+ unsigned int irelative_count_;
// Offset of the reserved TLSDESC_GOT entry when needed.
unsigned int tlsdesc_got_offset_;
// List of available regions within the section, for incremental
@@ -217,10 +247,10 @@ class Target_x86_64 : public Sized_target<64, false>
Target_x86_64()
: Sized_target<64, false>(&x86_64_info),
- got_(NULL), plt_(NULL), got_plt_(NULL), got_tlsdesc_(NULL),
- global_offset_table_(NULL), rela_dyn_(NULL),
- copy_relocs_(elfcpp::R_X86_64_COPY), dynbss_(NULL),
- got_mod_index_offset_(-1U), tlsdesc_reloc_info_(),
+ got_(NULL), plt_(NULL), got_plt_(NULL), got_irelative_(NULL),
+ got_tlsdesc_(NULL), global_offset_table_(NULL), rela_dyn_(NULL),
+ rela_irelative_(NULL), copy_relocs_(elfcpp::R_X86_64_COPY),
+ dynbss_(NULL), got_mod_index_offset_(-1U), tlsdesc_reloc_info_(),
tls_base_symbol_defined_(false)
{ }
@@ -332,13 +362,13 @@ class Target_x86_64 : public Sized_target<64, false>
do_reloc_addend(void* arg, unsigned int r_type, uint64_t addend) const;
// Return the PLT section.
- Output_data*
- do_plt_section_for_global(const Symbol*) const
- { return this->plt_section(); }
+ uint64_t
+ do_plt_address_for_global(const Symbol* gsym) const
+ { return this->plt_section()->address_for_global(gsym); }
- Output_data*
- do_plt_section_for_local(const Relobj*, unsigned int) const
- { return this->plt_section(); }
+ uint64_t
+ do_plt_address_for_local(const Relobj* relobj, unsigned int symndx) const
+ { return this->plt_section()->address_for_local(relobj, symndx); }
// This function should be defined in targets that can use relocation
// types to determine (implemented in local_reloc_may_be_function_pointer
@@ -413,7 +443,8 @@ class Target_x86_64 : public Sized_target<64, false>
// Register an existing PLT entry for a global symbol.
void
- register_global_plt_entry(unsigned int plt_index, Symbol* gsym);
+ register_global_plt_entry(Symbol_table*, Layout*, unsigned int plt_index,
+ Symbol* gsym);
// Force a COPY relocation for a given symbol.
void
@@ -683,6 +714,10 @@ class Target_x86_64 : public Sized_target<64, false>
Reloc_section*
rela_tlsdesc_section(Layout*) const;
+ // Get the section to use for IRELATIVE relocations.
+ Reloc_section*
+ rela_irelative_section(Layout*);
+
// Add a potential copy relocation.
void
copy_reloc(Symbol_table* symtab, Layout* layout,
@@ -733,12 +768,16 @@ class Target_x86_64 : public Sized_target<64, false>
Output_data_plt_x86_64* plt_;
// The GOT PLT section.
Output_data_space* got_plt_;
+ // The GOT section for IRELATIVE relocations.
+ Output_data_space* got_irelative_;
// The GOT section for TLSDESC relocations.
Output_data_got<64, false>* got_tlsdesc_;
// The _GLOBAL_OFFSET_TABLE_ symbol.
Symbol* global_offset_table_;
// The dynamic reloc section.
Reloc_section* rela_dyn_;
+ // The section to use for IRELATIVE relocs.
+ Reloc_section* rela_irelative_;
// Relocs saved to avoid a COPY reloc.
Copy_relocs<elfcpp::SHT_RELA, 64, false> copy_relocs_;
// Space for variables copied with a COPY reloc.
@@ -826,8 +865,17 @@ Target_x86_64::got_section(Symbol_table* symtab, Layout* layout)
elfcpp::STV_HIDDEN, 0,
false, false);
+ // If there are any IRELATIVE relocations, they get GOT entries
+ // in .got.plt after the jump slot entries.
+ this->got_irelative_ = new Output_data_space(8, "** GOT IRELATIVE PLT");
+ layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
+ (elfcpp::SHF_ALLOC
+ | elfcpp::SHF_WRITE),
+ this->got_irelative_,
+ ORDER_NON_RELRO_FIRST, false);
+
// If there are any TLSDESC relocations, they get GOT entries in
- // .got.plt after the jump slot entries.
+ // .got.plt after the jump slot and IRELATIVE entries.
this->got_tlsdesc_ = new Output_data_got<64, false>();
layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
(elfcpp::SHF_ALLOC
@@ -855,34 +903,39 @@ Target_x86_64::rela_dyn_section(Layout* layout)
return this->rela_dyn_;
}
+// Get the section to use for IRELATIVE relocs, creating it if
+// necessary. These go in .rela.dyn, but only after all other dynamic
+// relocations. They need to follow the other dynamic relocations so
+// that they can refer to global variables initialized by those
+// relocs.
+
+Target_x86_64::Reloc_section*
+Target_x86_64::rela_irelative_section(Layout* layout)
+{
+ if (this->rela_irelative_ == NULL)
+ {
+ // Make sure we have already created the dynamic reloc section.
+ this->rela_dyn_section(layout);
+ this->rela_irelative_ = new Reloc_section(false);
+ layout->add_output_section_data(".rela.dyn", elfcpp::SHT_RELA,
+ elfcpp::SHF_ALLOC, this->rela_irelative_,
+ ORDER_DYNAMIC_RELOCS, false);
+ gold_assert(this->rela_dyn_->output_section()
+ == this->rela_irelative_->output_section());
+ }
+ return this->rela_irelative_;
+}
+
// Initialize the PLT section.
void
-Output_data_plt_x86_64::init(Symbol_table* symtab, Layout* layout)
+Output_data_plt_x86_64::init(Layout* layout)
{
this->rel_ = new Reloc_section(false);
layout->add_output_section_data(".rela.plt", elfcpp::SHT_RELA,
elfcpp::SHF_ALLOC, this->rel_,
ORDER_DYNAMIC_PLT_RELOCS, false);
- if (parameters->doing_static_link())
- {
- // A statically linked executable will only have a .rela.plt
- // section to hold R_X86_64_IRELATIVE relocs for STT_GNU_IFUNC
- // symbols. The library will use these symbols to locate the
- // IRELATIVE relocs at program startup time.
- symtab->define_in_output_data("__rela_iplt_start", NULL,
- Symbol_table::PREDEFINED,
- this->rel_, 0, 0, elfcpp::STT_NOTYPE,
- elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN,
- 0, false, true);
- symtab->define_in_output_data("__rela_iplt_end", NULL,
- Symbol_table::PREDEFINED,
- this->rel_, 0, 0, elfcpp::STT_NOTYPE,
- elfcpp::STB_GLOBAL, elfcpp::STV_HIDDEN,
- 0, true, true);
- }
-
// Add unwind information if requested.
if (parameters->options().ld_generated_unwind_info())
layout->add_eh_frame_for_plt(this, plt_eh_frame_cie, plt_eh_frame_cie_size,
@@ -898,7 +951,8 @@ Output_data_plt_x86_64::do_adjust_output_section(Output_section* os)
// Add an entry to the PLT.
void
-Output_data_plt_x86_64::add_entry(Symbol* gsym)
+Output_data_plt_x86_64::add_entry(Symbol_table* symtab, Layout* layout,
+ Symbol* gsym)
{
gold_assert(!gsym->has_plt_offset());
@@ -906,25 +960,47 @@ Output_data_plt_x86_64::add_entry(Symbol* gsym)
off_t plt_offset;
section_offset_type got_offset;
+ unsigned int* pcount;
+ unsigned int offset;
+ unsigned int reserved;
+ Output_data_space* got;
+ if (gsym->type() == elfcpp::STT_GNU_IFUNC
+ && gsym->can_use_relative_reloc(false))
+ {
+ pcount = &this->irelative_count_;
+ offset = 0;
+ reserved = 0;
+ got = this->got_irelative_;
+ }
+ else
+ {
+ pcount = &this->count_;
+ offset = 1;
+ reserved = 3;
+ got = this->got_plt_;
+ }
+
if (!this->is_data_size_valid())
{
- // Note that when setting the PLT offset we skip the initial
- // reserved PLT entry.
- plt_index = this->count_ + 1;
+ // Note that when setting the PLT offset for a non-IRELATIVE
+ // entry we skip the initial reserved PLT entry.
+ plt_index = *pcount + offset;
plt_offset = plt_index * plt_entry_size;
- ++this->count_;
+ ++*pcount;
- got_offset = (plt_index - 1 + 3) * 8;
- gold_assert(got_offset == this->got_plt_->current_data_size());
+ got_offset = (plt_index - offset + reserved) * 8;
+ gold_assert(got_offset == got->current_data_size());
// Every PLT entry needs a GOT entry which points back to the PLT
// entry (this will be changed by the dynamic linker, normally
// lazily when the function is called).
- this->got_plt_->set_current_data_size(got_offset + 8);
+ got->set_current_data_size(got_offset + 8);
}
else
{
+ // FIXME: This is probably not correct for IRELATIVE relocs.
+
// For incremental updates, find an available slot.
plt_offset = this->free_list_.allocate(plt_entry_size, plt_entry_size, 0);
if (plt_offset == -1)
@@ -935,13 +1011,13 @@ Output_data_plt_x86_64::add_entry(Symbol* gsym)
// can be calculated from the PLT index, adjusting for the three
// reserved entries at the beginning of the GOT.
plt_index = plt_offset / plt_entry_size - 1;
- got_offset = (plt_index - 1 + 3) * 8;
+ got_offset = (plt_index - offset + reserved) * 8;
}
gsym->set_plt_offset(plt_offset);
// Every PLT entry needs a reloc.
- this->add_relocation(gsym, got_offset);
+ this->add_relocation(symtab, layout, gsym, got_offset);
// Note that we don't need to save the symbol. The contents of the
// PLT are independent of which symbols are used. The symbols only
@@ -953,22 +1029,25 @@ Output_data_plt_x86_64::add_entry(Symbol* gsym)
unsigned int
Output_data_plt_x86_64::add_local_ifunc_entry(
+ Symbol_table* symtab,
+ Layout* layout,
Sized_relobj_file<64, false>* relobj,
unsigned int local_sym_index)
{
- unsigned int plt_offset = (this->count_ + 1) * plt_entry_size;
- ++this->count_;
+ unsigned int plt_offset = this->irelative_count_ * plt_entry_size;
+ ++this->irelative_count_;
- section_offset_type got_offset = this->got_plt_->current_data_size();
+ section_offset_type got_offset = this->got_irelative_->current_data_size();
// Every PLT entry needs a GOT entry which points back to the PLT
// entry.
- this->got_plt_->set_current_data_size(got_offset + 8);
+ this->got_irelative_->set_current_data_size(got_offset + 8);
// Every PLT entry needs a reloc.
- this->rel_->add_symbolless_local_addend(relobj, local_sym_index,
- elfcpp::R_X86_64_IRELATIVE,
- this->got_plt_, got_offset, 0);
+ Reloc_section* rela = this->rela_irelative(symtab, layout);
+ rela->add_symbolless_local_addend(relobj, local_sym_index,
+ elfcpp::R_X86_64_IRELATIVE,
+ this->got_irelative_, got_offset, 0);
return plt_offset;
}
@@ -976,12 +1055,16 @@ Output_data_plt_x86_64::add_local_ifunc_entry(
// Add the relocation for a PLT entry.
void
-Output_data_plt_x86_64::add_relocation(Symbol* gsym, unsigned int got_offset)
+Output_data_plt_x86_64::add_relocation(Symbol_table* symtab, Layout* layout,
+ Symbol* gsym, unsigned int got_offset)
{
if (gsym->type() == elfcpp::STT_GNU_IFUNC
&& gsym->can_use_relative_reloc(false))
- this->rel_->add_symbolless_global_addend(gsym, elfcpp::R_X86_64_IRELATIVE,
- this->got_plt_, got_offset, 0);
+ {
+ Reloc_section* rela = this->rela_irelative(symtab, layout);
+ rela->add_symbolless_global_addend(gsym, elfcpp::R_X86_64_IRELATIVE,
+ this->got_irelative_, got_offset, 0);
+ }
else
{
gsym->set_needs_dynsym_entry();
@@ -1002,17 +1085,78 @@ Output_data_plt_x86_64::rela_tlsdesc(Layout* layout)
layout->add_output_section_data(".rela.plt", elfcpp::SHT_RELA,
elfcpp::SHF_ALLOC, this->tlsdesc_rel_,
ORDER_DYNAMIC_PLT_RELOCS, false);
- gold_assert(this->tlsdesc_rel_->output_section() ==
- this->rel_->output_section());
+ gold_assert(this->tlsdesc_rel_->output_section()
+ == this->rel_->output_section());
}
return this->tlsdesc_rel_;
}
+// Return where the IRELATIVE relocations should go in the PLT. These
+// follow the JUMP_SLOT and the TLSDESC relocations.
+
+Output_data_plt_x86_64::Reloc_section*
+Output_data_plt_x86_64::rela_irelative(Symbol_table* symtab, Layout* layout)
+{
+ if (this->irelative_rel_ == NULL)
+ {
+ // Make sure we have a place for the TLSDESC relocations, in
+ // case we see any later on.
+ this->rela_tlsdesc(layout);
+ this->irelative_rel_ = new Reloc_section(false);
+ layout->add_output_section_data(".rela.plt", elfcpp::SHT_RELA,
+ elfcpp::SHF_ALLOC, this->irelative_rel_,
+ ORDER_DYNAMIC_PLT_RELOCS, false);
+ gold_assert(this->irelative_rel_->output_section()
+ == this->rel_->output_section());
+
+ if (parameters->doing_static_link())
+ {
+ // A statically linked executable will only have a .rela.plt
+ // section to hold R_X86_64_IRELATIVE relocs for
+ // STT_GNU_IFUNC symbols. The library will use these
+ // symbols to locate the IRELATIVE relocs at program startup
+ // time.
+ symtab->define_in_output_data("__rela_iplt_start", NULL,
+ Symbol_table::PREDEFINED,
+ this->irelative_rel_, 0, 0,
+ elfcpp::STT_NOTYPE, elfcpp::STB_GLOBAL,
+ elfcpp::STV_HIDDEN, 0, false, true);
+ symtab->define_in_output_data("__rela_iplt_end", NULL,
+ Symbol_table::PREDEFINED,
+ this->irelative_rel_, 0, 0,
+ elfcpp::STT_NOTYPE, elfcpp::STB_GLOBAL,
+ elfcpp::STV_HIDDEN, 0, true, true);
+ }
+ }
+ return this->irelative_rel_;
+}
+
+// Return the PLT address to use for a global symbol.
+
+uint64_t
+Output_data_plt_x86_64::address_for_global(const Symbol* gsym)
+{
+ uint64_t offset = 0;
+ if (gsym->type() == elfcpp::STT_GNU_IFUNC
+ && gsym->can_use_relative_reloc(false))
+ offset = (this->count_ + 1) * plt_entry_size;
+ return this->address() + offset;
+}
+
+// Return the PLT address to use for a local symbol. These are always
+// IRELATIVE relocs.
+
+uint64_t
+Output_data_plt_x86_64::address_for_local(const Relobj*, unsigned int)
+{
+ return this->address() + (this->count_ + 1) * plt_entry_size;
+}
+
// Set the final size.
void
Output_data_plt_x86_64::set_final_data_size()
{
- unsigned int count = this->count_;
+ unsigned int count = this->count_ + this->irelative_count_;
if (this->has_tlsdesc_entry())
++count;
this->set_data_size((count + 1) * plt_entry_size);
@@ -1117,8 +1261,12 @@ Output_data_plt_x86_64::do_write(Output_file* of)
unsigned char* const oview = of->get_output_view(offset, oview_size);
const off_t got_file_offset = this->got_plt_->offset();
+ gold_assert(parameters->incremental_update()
+ || (got_file_offset + this->got_plt_->data_size()
+ == this->got_irelative_->offset()));
const section_size_type got_size =
- convert_to_section_size_type(this->got_plt_->data_size());
+ convert_to_section_size_type(this->got_plt_->data_size()
+ + this->got_irelative_->data_size());
unsigned char* const got_view = of->get_output_view(got_file_offset,
got_size);
@@ -1150,7 +1298,7 @@ Output_data_plt_x86_64::do_write(Output_file* of)
unsigned int plt_offset = plt_entry_size;
unsigned int got_offset = 24;
- const unsigned int count = this->count_;
+ const unsigned int count = this->count_ + this->irelative_count_;
for (unsigned int plt_index = 0;
plt_index < count;
++plt_index,
@@ -1208,8 +1356,9 @@ Target_x86_64::make_plt_section(Symbol_table* symtab, Layout* layout)
// Create the GOT sections first.
this->got_section(symtab, layout);
- this->plt_ = new Output_data_plt_x86_64(symtab, layout, this->got_,
- this->got_plt_);
+ this->plt_ = new Output_data_plt_x86_64(layout, this->got_,
+ this->got_plt_,
+ this->got_irelative_);
layout->add_output_section_data(".plt", elfcpp::SHT_PROGBITS,
(elfcpp::SHF_ALLOC
| elfcpp::SHF_EXECINSTR),
@@ -1241,7 +1390,7 @@ Target_x86_64::make_plt_entry(Symbol_table* symtab, Layout* layout,
if (this->plt_ == NULL)
this->make_plt_section(symtab, layout);
- this->plt_->add_entry(gsym);
+ this->plt_->add_entry(symtab, layout, gsym);
}
// Make a PLT entry for a local STT_GNU_IFUNC symbol.
@@ -1255,7 +1404,8 @@ Target_x86_64::make_local_ifunc_plt_entry(Symbol_table* symtab, Layout* layout,
return;
if (this->plt_ == NULL)
this->make_plt_section(symtab, layout);
- unsigned int plt_offset = this->plt_->add_local_ifunc_entry(relobj,
+ unsigned int plt_offset = this->plt_->add_local_ifunc_entry(symtab, layout,
+ relobj,
local_sym_index);
relobj->set_local_plt_offset(local_sym_index, plt_offset);
}
@@ -1330,9 +1480,17 @@ Target_x86_64::init_got_plt_for_update(Symbol_table* symtab,
this->got_tlsdesc_,
ORDER_NON_RELRO_FIRST, false);
+ // If there are any IRELATIVE relocations, they get GOT entries in
+ // .got.plt after the jump slot and TLSDESC entries.
+ this->got_irelative_ = new Output_data_space(0, 8, "** GOT IRELATIVE PLT");
+ layout->add_output_section_data(".got.plt", elfcpp::SHT_PROGBITS,
+ elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE,
+ this->got_irelative_,
+ ORDER_NON_RELRO_FIRST, false);
+
// Create the PLT section.
- this->plt_ = new Output_data_plt_x86_64(symtab, layout, this->got_,
- this->got_plt_, plt_count);
+ this->plt_ = new Output_data_plt_x86_64(layout, this->got_, this->got_plt_,
+ this->got_irelative_, plt_count);
layout->add_output_section_data(".plt", elfcpp::SHT_PROGBITS,
elfcpp::SHF_ALLOC | elfcpp::SHF_EXECINSTR,
this->plt_, ORDER_PLT, false);
@@ -1439,7 +1597,9 @@ Target_x86_64::reserve_global_got_entry(unsigned int got_index, Symbol* gsym,
// Register an existing PLT entry for a global symbol.
void
-Target_x86_64::register_global_plt_entry(unsigned int plt_index,
+Target_x86_64::register_global_plt_entry(Symbol_table* symtab,
+ Layout* layout,
+ unsigned int plt_index,
Symbol* gsym)
{
gold_assert(this->plt_ != NULL);
@@ -1450,7 +1610,7 @@ Target_x86_64::register_global_plt_entry(unsigned int plt_index,
gsym->set_plt_offset((plt_index + 1) * this->plt_entry_size());
unsigned int got_offset = (plt_index + 3) * 8;
- this->plt_->add_relocation(gsym, got_offset);
+ this->plt_->add_relocation(symtab, layout, gsym, got_offset);
}
// Force a COPY relocation for a given symbol.
@@ -2196,7 +2356,8 @@ Target_x86_64::Scan::global(Symbol_table* symtab,
// STT_GNU_IFUNC symbol. This makes a function
// address in a PIE executable match the address in a
// shared library that it links against.
- Reloc_section* rela_dyn = target->rela_dyn_section(layout);
+ Reloc_section* rela_dyn =
+ target->rela_irelative_section(layout);
unsigned int r_type = elfcpp::R_X86_64_IRELATIVE;
rela_dyn->add_symbolless_global_addend(gsym, r_type,
output_section, object,
@@ -2600,7 +2761,8 @@ Target_x86_64::do_finalize_sections(
symtab->get_sized_symbol<64>(sym)->set_symsize(data_size);
}
- if (parameters->doing_static_link() && this->plt_ == NULL)
+ if (parameters->doing_static_link()
+ && (this->plt_ == NULL || !this->plt_->has_irelative_section()))
{
// If linking statically, make sure that the __rela_iplt symbols
// were defined if necessary, even if we didn't create a PLT.
@@ -2680,7 +2842,7 @@ Target_x86_64::Relocate::relocate(const Relocate_info<64, false>* relinfo,
if (gsym != NULL
&& gsym->use_plt_offset(Scan::get_reference_flags(r_type)))
{
- symval.set_output_value(target->plt_section()->address()
+ symval.set_output_value(target->plt_address_for_global(gsym)
+ gsym->plt_offset());
psymval = &symval;
}
@@ -2689,7 +2851,7 @@ Target_x86_64::Relocate::relocate(const Relocate_info<64, false>* relinfo,
unsigned int r_sym = elfcpp::elf_r_sym<64>(rela.get_r_info());
if (object->local_has_plt_offset(r_sym))
{
- symval.set_output_value(target->plt_section()->address()
+ symval.set_output_value(target->plt_address_for_local(object, r_sym)
+ object->local_plt_offset(r_sym));
psymval = &symval;
}
@@ -3599,7 +3761,7 @@ uint64_t
Target_x86_64::do_dynsym_value(const Symbol* gsym) const
{
gold_assert(gsym->is_from_dynobj() && gsym->has_plt_offset());
- return this->plt_section()->address() + gsym->plt_offset();
+ return this->plt_address_for_global(gsym) + gsym->plt_offset();
}
// Return a string used to fill a code section with nops to take up