const Output_section::Input_section* owner;
};
+template<int size>
inline bool is_branch_reloc(unsigned int);
template<int size>
ppc64_local_entry_offset(unsigned int symndx) const
{ return elfcpp::ppc64_decode_local_entry(this->st_other_[symndx] >> 5); }
+ bool
+ ppc64_needs_toc(const Symbol* sym) const
+ { return sym->nonvis() > 1 << 3; }
+
+ bool
+ ppc64_needs_toc(unsigned int symndx) const
+ { return this->st_other_[symndx] > 1 << 5; }
+
// The contents of the .gnu.attributes section if there is one.
const Attributes_section_data*
attributes_section_data() const
maybe_skip_tls_get_addr_call(Target_powerpc<size, big_endian>* target,
unsigned int r_type, const Symbol* gsym)
{
- bool is_tls_call = ((r_type == elfcpp::R_POWERPC_REL24
- || r_type == elfcpp::R_PPC_PLTREL24
- || is_plt16_reloc<size>(r_type)
- || r_type == elfcpp::R_POWERPC_PLTSEQ
- || r_type == elfcpp::R_POWERPC_PLTCALL)
- && gsym != NULL
- && (gsym == target->tls_get_addr()
- || gsym == target->tls_get_addr_opt()));
+ bool is_tls_call
+ = ((r_type == elfcpp::R_POWERPC_REL24
+ || (size == 64 && r_type == elfcpp::R_PPC64_REL24_NOTOC)
+ || r_type == elfcpp::R_PPC_PLTREL24
+ || is_plt16_reloc<size>(r_type)
+ || r_type == elfcpp::R_POWERPC_PLTSEQ
+ || r_type == elfcpp::R_POWERPC_PLTCALL
+ || r_type == elfcpp::R_PPC64_PLTSEQ_NOTOC
+ || r_type == elfcpp::R_PPC64_PLTCALL_NOTOC)
+ && gsym != NULL
+ && (gsym == target->tls_get_addr()
+ || gsym == target->tls_get_addr_opt()));
Tls_get_addr last_tls = this->tls_get_addr_state_;
this->tls_get_addr_state_ = NOT_EXPECTED;
if (is_tls_call && last_tls != EXPECTED)
// On powerpc, the branch and link insn making a call to
// __tls_get_addr is marked with a relocation, R_PPC64_TLSGD,
// R_PPC64_TLSLD, R_PPC_TLSGD or R_PPC_TLSLD, in addition to the
- // usual R_POWERPC_REL24 or R_PPC_PLTREL25 relocation on a call.
+ // usual R_POWERPC_REL24 or R_PPC_PLTREL24 relocation on a call.
// The marker relocation always comes first, and has the same
// symbol as the reloc on the insn setting up the __tls_get_addr
// argument. This ties the arg setup insn with the call insn,
}
// For 32-bit and ELFv2, conservatively assume anything but calls to
// function code might be taking the address of the function.
- return !is_branch_reloc(r_type);
+ return !is_branch_reloc<size>(r_type);
}
inline bool
if (ppcobj->abiversion() == 1)
return false;
}
- return !is_branch_reloc(r_type);
+ return !is_branch_reloc<size>(r_type);
}
static bool
elfcpp::SHT_PROGBITS, // unwind_section_type
};
+template<int size>
inline bool
is_branch_reloc(unsigned int r_type)
{
return (r_type == elfcpp::R_POWERPC_REL24
+ || (size == 64 && r_type == elfcpp::R_PPC64_REL24_NOTOC)
|| r_type == elfcpp::R_PPC_PLTREL24
|| r_type == elfcpp::R_PPC_LOCAL24PC
|| r_type == elfcpp::R_POWERPC_REL14
}
}
+template<int size>
static unsigned long
max_branch_delta (unsigned int r_type)
{
|| r_type == elfcpp::R_POWERPC_REL14_BRNTAKEN)
return 1L << 15;
if (r_type == elfcpp::R_POWERPC_REL24
+ || (size == 64 && r_type == elfcpp::R_PPC64_REL24_NOTOC)
|| r_type == elfcpp::R_PPC_PLTREL24
|| r_type == elfcpp::R_PPC_LOCAL24PC)
return 1L << 25;
&& gsym != NULL
&& target->abiversion() >= 2
&& !parameters->options().output_is_position_independent()
- && !is_branch_reloc(this->r_type_))
+ && !is_branch_reloc<size>(this->r_type_))
target->glink_section()->add_global_entry(gsym);
else
{
&& !(size == 32
&& gsym != NULL
&& !parameters->options().output_is_position_independent()
- && !is_branch_reloc(this->r_type_)))
+ && !is_branch_reloc<size>(this->r_type_)))
stub_table = this->object_->stub_table(this->shndx_);
if (stub_table == NULL)
{
}
else
{
- Address max_branch_offset = max_branch_delta(this->r_type_);
+ Address max_branch_offset = max_branch_delta<size>(this->r_type_);
if (max_branch_offset == 0)
return true;
Address from = this->object_->get_output_section_offset(this->shndx_);
return true;
}
Address delta = to - from;
- if (delta + max_branch_offset >= 2 * max_branch_offset)
+ if (delta + max_branch_offset >= 2 * max_branch_offset
+ || (size == 64
+ && this->r_type_ == elfcpp::R_PPC64_REL24_NOTOC
+ && (gsym != NULL
+ ? this->object_->ppc64_needs_toc(gsym)
+ : this->object_->ppc64_needs_toc(this->r_sym_))))
{
if (stub_table == NULL)
{
return true;
}
}
+ bool do_resize = false;
+ for (typename Stub_tables::iterator p = this->stub_tables_.begin();
+ p != this->stub_tables_.end();
+ ++p)
+ if ((*p)->need_resize())
+ {
+ do_resize = true;
+ break;
+ }
+ if (do_resize)
+ {
+ this->branch_lookup_table_.clear();
+ for (typename Stub_tables::iterator p = this->stub_tables_.begin();
+ p != this->stub_tables_.end();
+ ++p)
+ (*p)->set_resizing(true);
+ for (typename Branches::const_iterator b = this->branch_info_.begin();
+ b != this->branch_info_.end();
+ b++)
+ {
+ if (!b->make_stub(one_stub_table, ifunc_stub_table, symtab)
+ && !this->relax_failed_)
+ {
+ this->relax_failed_ = true;
+ this->relax_fail_count_++;
+ if (this->relax_fail_count_ < 3)
+ return true;
+ }
+ }
+ for (typename Stub_tables::iterator p = this->stub_tables_.begin();
+ p != this->stub_tables_.end();
+ ++p)
+ (*p)->set_resizing(false);
+ }
// Did anything change size?
unsigned int num_huge_branches = this->branch_lookup_table_.size();
static const uint32_t add_11_0_11 = 0x7d605a14;
static const uint32_t add_11_2_11 = 0x7d625a14;
static const uint32_t add_11_11_2 = 0x7d6b1214;
+static const uint32_t add_12_11_12 = 0x7d8b6214;
static const uint32_t addi_0_12 = 0x380c0000;
static const uint32_t addi_2_2 = 0x38420000;
static const uint32_t addi_3_3 = 0x38630000;
static const uint32_t addi_11_11 = 0x396b0000;
static const uint32_t addi_12_1 = 0x39810000;
+static const uint32_t addi_12_11 = 0x398b0000;
static const uint32_t addi_12_12 = 0x398c0000;
static const uint32_t addis_0_2 = 0x3c020000;
static const uint32_t addis_0_13 = 0x3c0d0000;
static const uint32_t addis_11_30 = 0x3d7e0000;
static const uint32_t addis_12_1 = 0x3d810000;
static const uint32_t addis_12_2 = 0x3d820000;
+static const uint32_t addis_12_11 = 0x3d8b0000;
static const uint32_t addis_12_12 = 0x3d8c0000;
static const uint32_t b = 0x48000000;
static const uint32_t bcl_20_31 = 0x429f0005;
static const uint32_t ld_12_3 = 0xe9830000;
static const uint32_t ld_12_11 = 0xe98b0000;
static const uint32_t ld_12_12 = 0xe98c0000;
+static const uint32_t ldx_12_11_12 = 0x7d8b602a;
static const uint32_t lfd_0_1 = 0xc8010000;
static const uint32_t li_0_0 = 0x38000000;
static const uint32_t li_12_0 = 0x39800000;
static const uint32_t mtlr_12 = 0x7d8803a6;
static const uint32_t nop = 0x60000000;
static const uint32_t ori_0_0_0 = 0x60000000;
+static const uint32_t ori_12_12_0 = 0x618c0000;
+static const uint32_t oris_12_12_0 = 0x658c0000;
+static const uint32_t sldi_12_12_32 = 0x799c07c6;
static const uint32_t srdi_0_0_2 = 0x7800f082;
static const uint32_t std_0_1 = 0xf8010000;
static const uint32_t std_0_12 = 0xf80c0000;
struct Plt_stub_ent
{
Plt_stub_ent(unsigned int off, unsigned int indx)
- : off_(off), indx_(indx), r2save_(0), localentry0_(0)
+ : off_(off), indx_(indx), iter_(0), notoc_(0), r2save_(0), localentry0_(0)
{ }
unsigned int off_;
- unsigned int indx_ : 30;
+ unsigned int indx_ : 28;
+ unsigned int iter_ : 1;
+ unsigned int notoc_ : 1;
unsigned int r2save_ : 1;
unsigned int localentry0_ : 1;
};
+ struct Branch_stub_ent
+ {
+ Branch_stub_ent(unsigned int off, bool notoc, bool save_res)
+ : off_(off), iter_(false), notoc_(notoc), save_res_(save_res)
+ { }
+
+ unsigned int off_;
+ bool iter_;
+ bool notoc_;
+ bool save_res_;
+ };
typedef typename elfcpp::Elf_types<size>::Elf_Addr Address;
static const Address invalid_address = static_cast<Address>(0) - 1;
orig_data_size_(owner->current_data_size()),
plt_size_(0), last_plt_size_(0),
branch_size_(0), last_branch_size_(0), min_size_threshold_(0),
- need_save_res_(false), uniq_(id), tls_get_addr_opt_bctrl_(-1u),
- plt_fde_len_(0)
+ need_save_res_(false), need_resize_(false), resizing_(false),
+ uniq_(id), tls_get_addr_opt_bctrl_(-1u), plt_fde_len_(0)
{
this->set_output_section(output_section);
add_long_branch_entry(const Powerpc_relobj<size, big_endian>*,
unsigned int, Address, Address, bool);
- Address
+ const Branch_stub_ent*
find_long_branch_entry(const Powerpc_relobj<size, big_endian>*,
Address) const;
bool
can_reach_stub(Address from, unsigned int off, unsigned int r_type)
{
- Address max_branch_offset = max_branch_delta(r_type);
+ Address max_branch_offset = max_branch_delta<size>(r_type);
if (max_branch_offset == 0)
return true;
gold_assert(from != invalid_address);
}
}
+ bool
+ need_resize() const
+ { return need_resize_; }
+
+ void
+ set_resizing(bool val)
+ {
+ this->resizing_ = val;
+ if (val)
+ {
+ this->need_resize_ = false;
+ this->plt_size_ = 0;
+ this->branch_size_ = 0;
+ this->need_save_res_ = false;
+ }
+ }
+
Address
set_address_and_size(const Output_section* os, Address off)
{
plt_size() const
{ return this->plt_size_; }
+ section_size_type
+ branch_size() const
+ { return this->branch_size_; }
+
void
set_min_size_threshold(Address min_size)
{ this->min_size_threshold_ = min_size; }
class Plt_stub_key_hash;
typedef Unordered_map<Plt_stub_key, Plt_stub_ent,
Plt_stub_key_hash> Plt_stub_entries;
- class Branch_stub_ent;
- class Branch_stub_ent_hash;
- typedef Unordered_map<Branch_stub_ent, unsigned int,
- Branch_stub_ent_hash> Branch_stub_entries;
+ class Branch_stub_key;
+ class Branch_stub_key_hash;
+ typedef Unordered_map<Branch_stub_key, Branch_stub_ent,
+ Branch_stub_key_hash> Branch_stub_entries;
// Alignment of stub section.
unsigned int
// Size of a given plt call stub.
unsigned int
- plt_call_size(typename Plt_stub_entries::const_iterator p) const
- {
- if (size == 32)
- {
- const Symbol* gsym = p->first.sym_;
- return (4 * 4
- + (this->targ_->is_tls_get_addr_opt(gsym) ? 8 * 4 : 0));
- }
-
- const Output_data_plt_powerpc<size, big_endian>* plt;
- Address plt_addr = this->plt_off(p, &plt);
- plt_addr += plt->address();
- Address got_addr = this->targ_->got_section()->output_section()->address();
- const Powerpc_relobj<size, big_endian>* ppcobj = static_cast
- <const Powerpc_relobj<size, big_endian>*>(p->first.object_);
- got_addr += ppcobj->toc_base_offset();
- Address off = plt_addr - got_addr;
- unsigned int bytes = 4 * 4 + 4 * (ha(off) != 0);
- const Symbol* gsym = p->first.sym_;
- if (this->targ_->is_tls_get_addr_opt(gsym))
- bytes += 13 * 4;
- if (this->targ_->abiversion() < 2)
- {
- bool static_chain = parameters->options().plt_static_chain();
- bool thread_safe = this->targ_->plt_thread_safe();
- bytes += (4
- + 4 * static_chain
- + 8 * thread_safe
- + 4 * (ha(off + 8 + 8 * static_chain) != ha(off)));
- }
- return bytes;
- }
+ plt_call_size(typename Plt_stub_entries::const_iterator p) const;
unsigned int
plt_call_align(unsigned int bytes) const
// Return long branch stub size.
unsigned int
- branch_stub_size(typename Branch_stub_entries::const_iterator p)
- {
- Address loc = this->stub_address() + this->last_plt_size_ + p->second;
- if (p->first.dest_ - loc + (1 << 25) < 2 << 25)
- return 4;
- unsigned int bytes = 16;
- if (size == 32 && parameters->options().output_is_position_independent())
- bytes += 16;
- return bytes;
- }
+ branch_stub_size(typename Branch_stub_entries::const_iterator p,
+ bool* need_lt);
+
+ bool
+ build_tls_opt_head(unsigned char** pp,
+ typename Plt_stub_entries::const_iterator cs);
+
+ bool
+ build_tls_opt_tail(unsigned char* p,
+ typename Plt_stub_entries::const_iterator cs);
void
plt_error(const Plt_stub_key& p);
};
// Long branch stub keys.
- class Branch_stub_ent
+ class Branch_stub_key
{
public:
- Branch_stub_ent(const Powerpc_relobj<size, big_endian>* obj,
- Address to, bool save_res)
- : dest_(to), toc_base_off_(0), save_res_(save_res)
+ Branch_stub_key(const Powerpc_relobj<size, big_endian>* obj, Address to)
+ : dest_(to), toc_base_off_(0)
{
if (size == 64)
toc_base_off_ = obj->toc_base_offset();
}
- bool operator==(const Branch_stub_ent& that) const
+ bool operator==(const Branch_stub_key& that) const
{
return (this->dest_ == that.dest_
&& (size == 32
Address dest_;
unsigned int toc_base_off_;
- bool save_res_;
};
- class Branch_stub_ent_hash
+ class Branch_stub_key_hash
{
public:
- size_t operator()(const Branch_stub_ent& ent) const
- { return ent.dest_ ^ ent.toc_base_off_; }
+ size_t operator()(const Branch_stub_key& key) const
+ { return key.dest_ ^ key.toc_base_off_; }
};
// In a sane world this would be a global.
// Set if this stub group needs a copy of out-of-line register
// save/restore functions.
bool need_save_res_;
+ // Set when notoc_/r2save_ changes after sizing a stub
+ bool need_resize_;
+ // Set when resizing stubs
+ bool resizing_;
// Per stub table unique identifier.
uint32_t uniq_;
// The bctrl in the __tls_get_addr_opt stub, if present.
Plt_stub_ent ent(this->plt_size_, this->plt_call_stubs_.size());
std::pair<typename Plt_stub_entries::iterator, bool> p
= this->plt_call_stubs_.insert(std::make_pair(key, ent));
- if (p.second)
+ if (size == 64)
{
- this->plt_size_ = ent.off_ + this->plt_call_size(p.first);
- if (size == 64
+ if (p.second
&& this->targ_->is_elfv2_localentry0(gsym))
{
p.first->second.localentry0_ = 1;
this->targ_->set_has_localentry0();
}
+ if (r_type == elfcpp::R_PPC64_REL24_NOTOC)
+ {
+ if (!p.second && !p.first->second.notoc_)
+ this->need_resize_ = true;
+ p.first->second.notoc_ = 1;
+ }
+ else if (!tocsave && !p.first->second.localentry0_)
+ {
+ if (!p.second && !p.first->second.r2save_)
+ this->need_resize_ = true;
+ p.first->second.r2save_ = 1;
+ }
+ }
+ if (p.second || (this->resizing_ && !p.first->second.iter_))
+ {
+ if (this->resizing_)
+ {
+ p.first->second.iter_ = 1;
+ p.first->second.off_ = this->plt_size_;
+ }
+ this->plt_size_ += this->plt_call_size(p.first);
if (this->targ_->is_tls_get_addr_opt(gsym))
{
this->targ_->set_has_tls_get_addr_opt();
}
this->plt_size_ = this->plt_call_align(this->plt_size_);
}
- if (size == 64
- && !tocsave
- && !p.first->second.localentry0_)
- p.first->second.r2save_ = 1;
- return this->can_reach_stub(from, ent.off_, r_type);
+ return this->can_reach_stub(from, p.first->second.off_, r_type);
}
template<int size, bool big_endian>
Plt_stub_ent ent(this->plt_size_, this->plt_call_stubs_.size());
std::pair<typename Plt_stub_entries::iterator, bool> p
= this->plt_call_stubs_.insert(std::make_pair(key, ent));
- if (p.second)
+ if (size == 64)
{
- this->plt_size_ = ent.off_ + this->plt_call_size(p.first);
- this->plt_size_ = this->plt_call_align(this->plt_size_);
- if (size == 64
+ if (p.second
&& this->targ_->is_elfv2_localentry0(object, locsym_index))
{
p.first->second.localentry0_ = 1;
this->targ_->set_has_localentry0();
}
+ if (r_type == elfcpp::R_PPC64_REL24_NOTOC)
+ {
+ if (!p.second && !p.first->second.notoc_)
+ this->need_resize_ = true;
+ p.first->second.notoc_ = 1;
+ }
+ else if (!tocsave && !p.first->second.localentry0_)
+ {
+ if (!p.second && !p.first->second.r2save_)
+ this->need_resize_ = true;
+ p.first->second.r2save_ = 1;
+ }
}
- if (size == 64
- && !tocsave
- && !p.first->second.localentry0_)
- p.first->second.r2save_ = 1;
- return this->can_reach_stub(from, ent.off_, r_type);
+ if (p.second || (this->resizing_ && !p.first->second.iter_))
+ {
+ if (this->resizing_)
+ {
+ p.first->second.iter_ = 1;
+ p.first->second.off_ = this->plt_size_;
+ }
+ this->plt_size_ += this->plt_call_size(p.first);
+ this->plt_size_ = this->plt_call_align(this->plt_size_);
+ }
+ return this->can_reach_stub(from, p.first->second.off_, r_type);
}
// Find a plt call stub.
Address to,
bool save_res)
{
- Branch_stub_ent ent(object, to, save_res);
- Address off = this->branch_size_;
+ Branch_stub_key key(object, to);
+ bool notoc = (size == 64 && r_type == elfcpp::R_PPC64_REL24_NOTOC);
+ Branch_stub_ent ent(this->branch_size_, notoc, save_res);
std::pair<typename Branch_stub_entries::iterator, bool> p
- = this->long_branch_stubs_.insert(std::make_pair(ent, off));
- if (p.second)
+ = this->long_branch_stubs_.insert(std::make_pair(key, ent));
+ if (notoc && !p.first->second.notoc_)
{
+ this->need_resize_ = true;
+ p.first->second.notoc_ = true;
+ }
+ gold_assert(save_res == p.first->second.save_res_);
+ if (p.second || (this->resizing_ && !p.first->second.iter_))
+ {
+ if (this->resizing_)
+ {
+ p.first->second.iter_ = 1;
+ p.first->second.off_ = this->branch_size_;
+ }
if (save_res)
this->need_save_res_ = true;
else
{
- unsigned int stub_size = this->branch_stub_size(p.first);
- this->branch_size_ = off + stub_size;
- if (size == 64 && stub_size != 4)
+ bool need_lt = false;
+ unsigned int stub_size = this->branch_stub_size(p.first, &need_lt);
+ this->branch_size_ += stub_size;
+ if (size == 64 && need_lt)
this->targ_->add_branch_lookup_table(to);
}
}
- return this->can_reach_stub(from, off, r_type);
+ return this->can_reach_stub(from, p.first->second.off_, r_type);
}
// Find long branch stub offset.
template<int size, bool big_endian>
-typename Stub_table<size, big_endian>::Address
+const typename Stub_table<size, big_endian>::Branch_stub_ent*
Stub_table<size, big_endian>::find_long_branch_entry(
const Powerpc_relobj<size, big_endian>* object,
Address to) const
{
- Branch_stub_ent ent(object, to, false);
+ Branch_stub_key key(object, to);
typename Branch_stub_entries::const_iterator p
- = this->long_branch_stubs_.find(ent);
+ = this->long_branch_stubs_.find(key);
if (p == this->long_branch_stubs_.end())
- return invalid_address;
- if (p->first.save_res_)
- return to - this->targ_->savres_section()->address() + this->branch_size_;
- return p->second;
+ return NULL;
+ return &p->second;
}
// Generate a suitable FDE to describe code in this stub group.
bs != this->long_branch_stubs_.end();
++bs)
{
- if (bs->first.save_res_)
+ if (bs->second.save_res_)
continue;
char* name = new char[8 + 13 + 16 + 1];
sprintf(name, "%08x.long_branch.%llx", this->uniq_,
static_cast<unsigned long long>(bs->first.dest_));
Address value = (this->stub_address() - this->address()
- + this->plt_size_ + bs->second);
- unsigned int stub_size = this->branch_stub_size(bs);
+ + this->plt_size_ + bs->second.off_);
+ bool need_lt = false;
+ unsigned int stub_size = this->branch_stub_size(bs, &need_lt);
this->targ_->define_local(symtab, name, this, value, stub_size);
}
}
+// Emit the start of a __tls_get_addr_opt plt call stub.
+
+template<int size, bool big_endian>
+bool
+Stub_table<size, big_endian>::build_tls_opt_head(
+ unsigned char** pp,
+ typename Plt_stub_entries::const_iterator cs)
+{
+ if (this->targ_->is_tls_get_addr_opt(cs->first.sym_))
+ {
+ unsigned char* p = *pp;
+ if (size == 64)
+ {
+ write_insn<big_endian>(p, ld_11_3 + 0);
+ p += 4;
+ write_insn<big_endian>(p, ld_12_3 + 8);
+ p += 4;
+ write_insn<big_endian>(p, mr_0_3);
+ p += 4;
+ write_insn<big_endian>(p, cmpdi_11_0);
+ p += 4;
+ write_insn<big_endian>(p, add_3_12_13);
+ p += 4;
+ write_insn<big_endian>(p, beqlr);
+ p += 4;
+ write_insn<big_endian>(p, mr_3_0);
+ p += 4;
+ if (cs->second.r2save_ && !cs->second.localentry0_)
+ {
+ write_insn<big_endian>(p, mflr_11);
+ p += 4;
+ write_insn<big_endian>(p, (std_11_1 + this->targ_->stk_linker()));
+ p += 4;
+ }
+ }
+ else
+ {
+ write_insn<big_endian>(p, lwz_11_3 + 0);
+ p += 4;
+ write_insn<big_endian>(p, lwz_12_3 + 4);
+ p += 4;
+ write_insn<big_endian>(p, mr_0_3);
+ p += 4;
+ write_insn<big_endian>(p, cmpwi_11_0);
+ p += 4;
+ write_insn<big_endian>(p, add_3_12_2);
+ p += 4;
+ write_insn<big_endian>(p, beqlr);
+ p += 4;
+ write_insn<big_endian>(p, mr_3_0);
+ p += 4;
+ write_insn<big_endian>(p, nop);
+ p += 4;
+ }
+ *pp = p;
+ return true;
+ }
+ return false;
+}
+
+// Emit the tail of a __tls_get_addr_opt plt call stub.
+
+template<int size, bool big_endian>
+bool
+Stub_table<size, big_endian>::build_tls_opt_tail(
+ unsigned char* p,
+ typename Plt_stub_entries::const_iterator cs)
+{
+ if (size == 64
+ && cs->second.r2save_
+ && !cs->second.localentry0_
+ && this->targ_->is_tls_get_addr_opt(cs->first.sym_))
+ {
+ write_insn<big_endian>(p, bctrl);
+ p += 4;
+ write_insn<big_endian>(p, ld_2_1 + this->targ_->stk_toc());
+ p += 4;
+ write_insn<big_endian>(p, ld_11_1 + this->targ_->stk_linker());
+ p += 4;
+ write_insn<big_endian>(p, mtlr_11);
+ p += 4;
+ write_insn<big_endian>(p, blr);
+ return true;
+ }
+ return false;
+}
+
+// Gets the address of a label (1:) in r11 and builds an offset in r12,
+// then adds it to r11 (LOAD false) or loads r12 from r11+r12 (LOAD true).
+// mflr %r12
+// bcl 20,31,1f
+// 1: mflr %r11
+// mtlr %r12
+// lis %r12,xxx-1b@highest
+// ori %r12,%r12,xxx-1b@higher
+// sldi %r12,%r12,32
+// oris %r12,%r12,xxx-1b@high
+// ori %r12,%r12,xxx-1b@l
+// add/ldx %r12,%r11,%r12
+
+template<bool big_endian>
+static unsigned char*
+build_notoc_offset(unsigned char* p, uint64_t off, bool load)
+{
+ write_insn<big_endian>(p, mflr_12);
+ p += 4;
+ write_insn<big_endian>(p, bcl_20_31);
+ p += 4;
+ write_insn<big_endian>(p, mflr_11);
+ p += 4;
+ write_insn<big_endian>(p, mtlr_12);
+ p += 4;
+ if (off + 0x8000 < 0x10000)
+ {
+ if (load)
+ write_insn<big_endian>(p, ld_12_11 + l(off));
+ else
+ write_insn<big_endian>(p, addi_12_11 + l(off));
+ }
+ else if (off + 0x80008000ULL < 0x100000000ULL)
+ {
+ write_insn<big_endian>(p, addis_12_11 + ha(off));
+ p += 4;
+ if (load)
+ write_insn<big_endian>(p, ld_12_12 + l(off));
+ else
+ write_insn<big_endian>(p, addi_12_12 + l(off));
+ }
+ else
+ {
+ if (off + 0x800000000000ULL < 0x1000000000000ULL)
+ {
+ write_insn<big_endian>(p, li_12_0 + ((off >> 32) & 0xffff));
+ p += 4;
+ }
+ else
+ {
+ write_insn<big_endian>(p, lis_12 + ((off >> 48) & 0xffff));
+ p += 4;
+ if (((off >> 32) & 0xffff) != 0)
+ {
+ write_insn<big_endian>(p, ori_12_12_0 + ((off >> 32) & 0xffff));
+ p += 4;
+ }
+ }
+ if (((off >> 32) & 0xffffffffULL) != 0)
+ {
+ write_insn<big_endian>(p, sldi_12_12_32);
+ p += 4;
+ }
+ if (hi(off) != 0)
+ {
+ write_insn<big_endian>(p, oris_12_12_0 + hi(off));
+ p += 4;
+ }
+ if (l(off) != 0)
+ {
+ write_insn<big_endian>(p, ori_12_12_0 + l(off));
+ p += 4;
+ }
+ if (load)
+ write_insn<big_endian>(p, ldx_12_11_12);
+ else
+ write_insn<big_endian>(p, add_12_11_12);
+ }
+ p += 4;
+ return p;
+}
+
+// Size of a given plt call stub.
+
+template<int size, bool big_endian>
+unsigned int
+Stub_table<size, big_endian>::plt_call_size(
+ typename Plt_stub_entries::const_iterator p) const
+{
+ if (size == 32)
+ {
+ const Symbol* gsym = p->first.sym_;
+ return (4 * 4
+ + (this->targ_->is_tls_get_addr_opt(gsym) ? 8 * 4 : 0));
+ }
+
+ const Output_data_plt_powerpc<size, big_endian>* plt;
+ uint64_t plt_addr = this->plt_off(p, &plt);
+ plt_addr += plt->address();
+ unsigned int bytes = 0;
+ const Symbol* gsym = p->first.sym_;
+ if (this->targ_->is_tls_get_addr_opt(gsym))
+ {
+ if (p->second.r2save_ && !p->second.localentry0_)
+ bytes = 13 * 4;
+ else
+ bytes = 7 * 4;
+ }
+
+ if (p->second.r2save_)
+ bytes += 4;
+
+ if (p->second.notoc_)
+ {
+ uint64_t from = this->stub_address() + p->second.off_ + bytes + 2 * 4;
+ if (bytes > 32)
+ from -= 4 * 4;
+ uint64_t off = plt_addr - from;
+ if (off + 0x8000 < 0x10000)
+ bytes += 7 * 4;
+ else if (off + 0x80008000ULL < 0x100000000ULL)
+ bytes += 8 * 4;
+ else
+ {
+ bytes += 8 * 4;
+ if (off + 0x800000000000ULL >= 0x1000000000000ULL
+ && ((off >> 32) & 0xffff) != 0)
+ bytes += 4;
+ if (((off >> 32) & 0xffffffffULL) != 0)
+ bytes += 4;
+ if (hi(off) != 0)
+ bytes += 4;
+ if (l(off) != 0)
+ bytes += 4;
+ }
+ return bytes;
+ }
+
+ uint64_t got_addr = this->targ_->got_section()->output_section()->address();
+ const Powerpc_relobj<size, big_endian>* ppcobj = static_cast
+ <const Powerpc_relobj<size, big_endian>*>(p->first.object_);
+ got_addr += ppcobj->toc_base_offset();
+ uint64_t off = plt_addr - got_addr;
+ bytes += 3 * 4 + 4 * (ha(off) != 0);
+ if (this->targ_->abiversion() < 2)
+ {
+ bool static_chain = parameters->options().plt_static_chain();
+ bool thread_safe = this->targ_->plt_thread_safe();
+ bytes += (4
+ + 4 * static_chain
+ + 8 * thread_safe
+ + 4 * (ha(off + 8 + 8 * static_chain) != ha(off)));
+ }
+ return bytes;
+}
+
+// Return long branch stub size.
+
+template<int size, bool big_endian>
+unsigned int
+Stub_table<size, big_endian>::branch_stub_size(
+ typename Branch_stub_entries::const_iterator p,
+ bool* need_lt)
+{
+ Address loc = this->stub_address() + this->last_plt_size_ + p->second.off_;
+ if (size == 32)
+ {
+ if (p->first.dest_ - loc + (1 << 25) < 2 << 25)
+ return 4;
+ if (parameters->options().output_is_position_independent())
+ return 32;
+ return 16;
+ }
+
+ uint64_t off = p->first.dest_ - loc;
+ if (p->second.notoc_)
+ {
+ off -= 8;
+ if (off + 0x8000 < 0x10000)
+ return 24;
+ if (off + 0x80008000ULL < 0x100000000ULL)
+ {
+ if (off + 24 + (1 << 25) < 2 << 25)
+ return 28;
+ return 32;
+ }
+ unsigned int bytes = 32;
+ if (off + 0x800000000000ULL >= 0x1000000000000ULL
+ && ((off >> 32) & 0xffff) != 0)
+ bytes += 4;
+ if (((off >> 32) & 0xffffffffULL) != 0)
+ bytes += 4;
+ if (hi(off) != 0)
+ bytes += 4;
+ if (l(off) != 0)
+ bytes += 4;
+ return bytes;
+ }
+
+ if (off + (1 << 25) < 2 << 25)
+ return 4;
+ *need_lt = true;
+ return 16;
+}
+
template<int size, bool big_endian>
void
Stub_table<size, big_endian>::plt_error(const Plt_stub_key& p)
= this->targ_->got_section();
Address got_os_addr = got->output_section()->address();
- if (!this->plt_call_stubs_.empty())
+ if (!this->plt_call_stubs_.empty()
+ && this->targ_->abiversion() >= 2)
{
- // Write out plt call stubs.
+ // Write out plt call stubs for ELFv2.
+ typename Plt_stub_entries::const_iterator cs;
+ for (cs = this->plt_call_stubs_.begin();
+ cs != this->plt_call_stubs_.end();
+ ++cs)
+ {
+ const Output_data_plt_powerpc<size, big_endian>* plt;
+ Address pltoff = this->plt_off(cs, &plt);
+ Address plt_addr = pltoff + plt->address();
+
+ p = oview + cs->second.off_;
+ this->build_tls_opt_head(&p, cs);
+ if (cs->second.r2save_)
+ {
+ write_insn<big_endian>(p, std_2_1 + this->targ_->stk_toc());
+ p += 4;
+ }
+ if (cs->second.notoc_)
+ {
+ Address from = this->stub_address() + (p - oview) + 8;
+ Address off = plt_addr - from;
+ p = build_notoc_offset<big_endian>(p, off, true);
+ }
+ else
+ {
+ const Powerpc_relobj<size, big_endian>* ppcobj = static_cast
+ <const Powerpc_relobj<size, big_endian>*>(cs->first.object_);
+ Address got_addr = got_os_addr + ppcobj->toc_base_offset();
+ Address off = plt_addr - got_addr;
+
+ if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
+ this->plt_error(cs->first);
+
+ if (ha(off) != 0)
+ {
+ write_insn<big_endian>(p, addis_12_2 + ha(off));
+ p += 4;
+ write_insn<big_endian>(p, ld_12_12 + l(off));
+ p += 4;
+ }
+ else
+ {
+ write_insn<big_endian>(p, ld_12_2 + l(off));
+ p += 4;
+ }
+ }
+ write_insn<big_endian>(p, mtctr_12);
+ p += 4;
+ if (!this->build_tls_opt_tail(p, cs))
+ write_insn<big_endian>(p, bctr);
+ }
+ }
+ else if (!this->plt_call_stubs_.empty())
+ {
+ // Write out plt call stubs for ELFv1.
typename Plt_stub_entries::const_iterator cs;
for (cs = this->plt_call_stubs_.begin();
cs != this->plt_call_stubs_.end();
Address got_addr = got_os_addr + ppcobj->toc_base_offset();
Address off = plt_addr - got_addr;
- if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
+ if (off + 0x80008000 > 0xffffffff || (off & 7) != 0
+ || cs->second.notoc_)
this->plt_error(cs->first);
- bool plt_load_toc = this->targ_->abiversion() < 2;
- bool static_chain
- = plt_load_toc && parameters->options().plt_static_chain();
- bool thread_safe
- = plt_load_toc && this->targ_->plt_thread_safe();
+ bool static_chain = parameters->options().plt_static_chain();
+ bool thread_safe = this->targ_->plt_thread_safe();
bool use_fake_dep = false;
Address cmp_branch_off = 0;
if (thread_safe)
}
p = oview + cs->second.off_;
- const Symbol* gsym = cs->first.sym_;
- if (this->targ_->is_tls_get_addr_opt(gsym))
+ if (this->build_tls_opt_head(&p, cs))
+ use_fake_dep = thread_safe;
+ if (cs->second.r2save_)
{
- write_insn<big_endian>(p, ld_11_3 + 0);
+ write_insn<big_endian>(p, std_2_1 + this->targ_->stk_toc());
p += 4;
- write_insn<big_endian>(p, ld_12_3 + 8);
- p += 4;
- write_insn<big_endian>(p, mr_0_3);
- p += 4;
- write_insn<big_endian>(p, cmpdi_11_0);
- p += 4;
- write_insn<big_endian>(p, add_3_12_13);
- p += 4;
- write_insn<big_endian>(p, beqlr);
- p += 4;
- write_insn<big_endian>(p, mr_3_0);
- p += 4;
- if (!cs->second.localentry0_)
- {
- write_insn<big_endian>(p, mflr_11);
- p += 4;
- write_insn<big_endian>(p, (std_11_1
- + this->targ_->stk_linker()));
- p += 4;
- }
- use_fake_dep = thread_safe;
}
if (ha(off) != 0)
{
- if (cs->second.r2save_)
- {
- write_insn<big_endian>(p,
- std_2_1 + this->targ_->stk_toc());
- p += 4;
- }
- if (plt_load_toc)
+ write_insn<big_endian>(p, addis_11_2 + ha(off));
+ p += 4;
+ write_insn<big_endian>(p, ld_12_11 + l(off));
+ p += 4;
+ if (ha(off + 8 + 8 * static_chain) != ha(off))
{
- write_insn<big_endian>(p, addis_11_2 + ha(off));
- p += 4;
- write_insn<big_endian>(p, ld_12_11 + l(off));
+ write_insn<big_endian>(p, addi_11_11 + l(off));
p += 4;
+ off = 0;
}
- else
+ write_insn<big_endian>(p, mtctr_12);
+ p += 4;
+ if (use_fake_dep)
{
- write_insn<big_endian>(p, addis_12_2 + ha(off));
+ write_insn<big_endian>(p, xor_2_12_12);
p += 4;
- write_insn<big_endian>(p, ld_12_12 + l(off));
+ write_insn<big_endian>(p, add_11_11_2);
p += 4;
}
- if (plt_load_toc
- && ha(off + 8 + 8 * static_chain) != ha(off))
- {
- write_insn<big_endian>(p, addi_11_11 + l(off));
- p += 4;
- off = 0;
- }
- write_insn<big_endian>(p, mtctr_12);
+ write_insn<big_endian>(p, ld_2_11 + l(off + 8));
p += 4;
- if (plt_load_toc)
+ if (static_chain)
{
- if (use_fake_dep)
- {
- write_insn<big_endian>(p, xor_2_12_12);
- p += 4;
- write_insn<big_endian>(p, add_11_11_2);
- p += 4;
- }
- write_insn<big_endian>(p, ld_2_11 + l(off + 8));
+ write_insn<big_endian>(p, ld_11_11 + l(off + 16));
p += 4;
- if (static_chain)
- {
- write_insn<big_endian>(p, ld_11_11 + l(off + 16));
- p += 4;
- }
}
}
else
{
- if (cs->second.r2save_)
- {
- write_insn<big_endian>(p,
- std_2_1 + this->targ_->stk_toc());
- p += 4;
- }
write_insn<big_endian>(p, ld_12_2 + l(off));
p += 4;
- if (plt_load_toc
- && ha(off + 8 + 8 * static_chain) != ha(off))
+ if (ha(off + 8 + 8 * static_chain) != ha(off))
{
write_insn<big_endian>(p, addi_2_2 + l(off));
p += 4;
}
write_insn<big_endian>(p, mtctr_12);
p += 4;
- if (plt_load_toc)
+ if (use_fake_dep)
{
- if (use_fake_dep)
- {
- write_insn<big_endian>(p, xor_11_12_12);
- p += 4;
- write_insn<big_endian>(p, add_2_2_11);
- p += 4;
- }
- if (static_chain)
- {
- write_insn<big_endian>(p, ld_11_2 + l(off + 16));
- p += 4;
- }
- write_insn<big_endian>(p, ld_2_2 + l(off + 8));
+ write_insn<big_endian>(p, xor_11_12_12);
+ p += 4;
+ write_insn<big_endian>(p, add_2_2_11);
p += 4;
}
- }
- if (!cs->second.localentry0_
- && this->targ_->is_tls_get_addr_opt(gsym))
- {
- write_insn<big_endian>(p, bctrl);
- p += 4;
- write_insn<big_endian>(p, ld_2_1 + this->targ_->stk_toc());
- p += 4;
- write_insn<big_endian>(p, ld_11_1 + this->targ_->stk_linker());
- p += 4;
- write_insn<big_endian>(p, mtlr_11);
+ if (static_chain)
+ {
+ write_insn<big_endian>(p, ld_11_2 + l(off + 16));
+ p += 4;
+ }
+ write_insn<big_endian>(p, ld_2_2 + l(off + 8));
p += 4;
- write_insn<big_endian>(p, blr);
}
+ if (this->build_tls_opt_tail(p, cs))
+ ;
else if (thread_safe && !use_fake_dep)
{
write_insn<big_endian>(p, cmpldi_2_0);
bs != this->long_branch_stubs_.end();
++bs)
{
- if (bs->first.save_res_)
+ if (bs->second.save_res_)
continue;
- p = oview + this->plt_size_ + bs->second;
- Address loc = this->stub_address() + this->plt_size_ + bs->second;
+ Address off = this->plt_size_ + bs->second.off_;
+ p = oview + off;
+ Address loc = this->stub_address() + off;
Address delta = bs->first.dest_ - loc;
- if (delta + (1 << 25) < 2 << 25)
- write_insn<big_endian>(p, b | (delta & 0x3fffffc));
- else
+ if (bs->second.notoc_)
+ {
+ unsigned char* startp = p;
+ p = build_notoc_offset<big_endian>(p, off, false);
+ delta -= p - startp;
+ }
+ else if (delta + (1 << 25) >= 2 << 25)
{
Address brlt_addr
= this->targ_->find_branch_lookup_table(bs->first.dest_);
Address brltoff = brlt_addr - got_addr;
if (ha(brltoff) == 0)
{
- write_insn<big_endian>(p, ld_12_2 + l(brltoff)), p += 4;
+ write_insn<big_endian>(p, ld_12_2 + l(brltoff));
+ p += 4;
}
else
{
- write_insn<big_endian>(p, addis_12_2 + ha(brltoff)), p += 4;
- write_insn<big_endian>(p, ld_12_12 + l(brltoff)), p += 4;
+ write_insn<big_endian>(p, addis_12_2 + ha(brltoff));
+ p += 4;
+ write_insn<big_endian>(p, ld_12_12 + l(brltoff));
+ p += 4;
}
- write_insn<big_endian>(p, mtctr_12), p += 4;
+ }
+ if (delta + (1 << 25) < 2 << 25)
+ write_insn<big_endian>(p, b | (delta & 0x3fffffc));
+ else
+ {
+ write_insn<big_endian>(p, mtctr_12);
+ p += 4;
write_insn<big_endian>(p, bctr);
}
}
}
- else
+ else // size == 32
{
if (!this->plt_call_stubs_.empty())
{
plt_addr += plt->address();
p = oview + cs->second.off_;
- const Symbol* gsym = cs->first.sym_;
- if (this->targ_->is_tls_get_addr_opt(gsym))
- {
- write_insn<big_endian>(p, lwz_11_3 + 0);
- p += 4;
- write_insn<big_endian>(p, lwz_12_3 + 4);
- p += 4;
- write_insn<big_endian>(p, mr_0_3);
- p += 4;
- write_insn<big_endian>(p, cmpwi_11_0);
- p += 4;
- write_insn<big_endian>(p, add_3_12_2);
- p += 4;
- write_insn<big_endian>(p, beqlr);
- p += 4;
- write_insn<big_endian>(p, mr_3_0);
- p += 4;
- write_insn<big_endian>(p, nop);
- p += 4;
- }
+ this->build_tls_opt_head(&p, cs);
if (parameters->options().output_is_position_independent())
{
Address got_addr;
bs != this->long_branch_stubs_.end();
++bs)
{
- if (bs->first.save_res_)
+ if (bs->second.save_res_)
continue;
- p = oview + this->plt_size_ + bs->second;
- Address loc = this->stub_address() + this->plt_size_ + bs->second;
+ Address off = this->plt_size_ + bs->second.off_;
+ p = oview + off;
+ Address loc = this->stub_address() + off;
Address delta = bs->first.dest_ - loc;
if (delta + (1 << 25) < 2 << 25)
write_insn<big_endian>(p, b | (delta & 0x3fffffc));
ref = Symbol::RELATIVE_REF;
break;
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ break;
+ // Fall through.
case elfcpp::R_POWERPC_REL24:
case elfcpp::R_PPC_PLTREL24:
case elfcpp::R_POWERPC_REL14:
case elfcpp::R_PPC64_PLT16_LO_DS:
case elfcpp::R_POWERPC_PLTSEQ:
case elfcpp::R_POWERPC_PLTCALL:
+ case elfcpp::R_PPC64_PLTSEQ_NOTOC:
+ case elfcpp::R_PPC64_PLTCALL_NOTOC:
return true;
break;
// Function calls are good, and these do need a PLT entry.
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ break;
+ // Fall through.
case elfcpp::R_POWERPC_ADDR24:
case elfcpp::R_POWERPC_ADDR14:
case elfcpp::R_POWERPC_ADDR14_BRTAKEN:
case elfcpp::R_PPC64_ENTRY:
case elfcpp::R_POWERPC_PLTSEQ:
case elfcpp::R_POWERPC_PLTCALL:
+ case elfcpp::R_PPC64_PLTSEQ_NOTOC:
+ case elfcpp::R_PPC64_PLTCALL_NOTOC:
break;
case elfcpp::R_PPC64_TOC:
}
break;
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ break;
+ // Fall through.
case elfcpp::R_POWERPC_REL24:
case elfcpp::R_PPC_PLTREL24:
case elfcpp::R_PPC_LOCAL24PC:
case elfcpp::R_PPC64_ENTRY:
case elfcpp::R_POWERPC_PLTSEQ:
case elfcpp::R_POWERPC_PLTCALL:
+ case elfcpp::R_PPC64_PLTSEQ_NOTOC:
+ case elfcpp::R_PPC64_PLTCALL_NOTOC:
break;
case elfcpp::R_PPC64_TOC:
target->make_plt_entry(symtab, layout, gsym);
break;
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ break;
+ // Fall through.
case elfcpp::R_PPC_PLTREL24:
case elfcpp::R_POWERPC_REL24:
if (!is_ifunc)
break;
case Track_tls::SKIP:
if (is_plt16_reloc<size>(r_type)
- || r_type == elfcpp::R_POWERPC_PLTSEQ)
+ || r_type == elfcpp::R_POWERPC_PLTSEQ
+ || r_type == elfcpp::R_PPC64_PLTSEQ_NOTOC)
{
Insn* iview = reinterpret_cast<Insn*>(view);
elfcpp::Swap<32, big_endian>::writeval(iview, nop);
&& !is_plt16_reloc<size>(r_type)
&& r_type != elfcpp::R_POWERPC_PLTSEQ
&& r_type != elfcpp::R_POWERPC_PLTCALL
+ && r_type != elfcpp::R_PPC64_PLTSEQ_NOTOC
+ && r_type != elfcpp::R_PPC64_PLTCALL_NOTOC
&& (!psymval->is_ifunc_symbol()
|| Scan::reloc_needs_plt_for_ifunc(target, object, r_type, false)))
{
&& gsym != NULL
&& target->abiversion() >= 2
&& !parameters->options().output_is_position_independent()
- && !is_branch_reloc(r_type))
+ && !is_branch_reloc<size>(r_type))
{
Address off = target->glink_section()->find_global_entry(gsym);
if (off != invalid_address)
&& !(size == 32
&& gsym != NULL
&& !parameters->options().output_is_position_independent()
- && !is_branch_reloc(r_type)))
+ && !is_branch_reloc<size>(r_type)))
stub_table = object->stub_table(relinfo->data_shndx);
if (stub_table == NULL)
{
size_t reloc_count = shdr.get_sh_size() / reloc_size;
if (size == 64
&& ent->r2save_
- && relnum < reloc_count - 1)
+ && r_type == elfcpp::R_PPC64_REL24_NOTOC)
+ value += 4;
+ else if (size == 64
+ && ent->r2save_
+ && relnum < reloc_count - 1)
{
Reltype next_rela(preloc + reloc_size);
if (elfcpp::elf_r_type<size>(next_rela.get_r_info())
}
else if (!has_plt_offset
&& (is_plt16_reloc<size>(r_type)
- || r_type == elfcpp::R_POWERPC_PLTSEQ))
+ || r_type == elfcpp::R_POWERPC_PLTSEQ
+ || r_type == elfcpp::R_PPC64_PLTSEQ_NOTOC))
{
Insn* iview = reinterpret_cast<Insn*>(view);
elfcpp::Swap<32, big_endian>::writeval(iview, nop);
}
else if (!has_stub_value)
{
- if (!has_plt_offset && r_type == elfcpp::R_POWERPC_PLTCALL)
+ if (!has_plt_offset && (r_type == elfcpp::R_POWERPC_PLTCALL
+ || r_type == elfcpp::R_PPC64_PLTCALL_NOTOC))
{
// PLTCALL without plt entry => convert to direct call
Insn* iview = reinterpret_cast<Insn*>(view);
elfcpp::Swap<32, big_endian>::writeval(iview, insn);
if (size == 32)
r_type = elfcpp::R_PPC_PLTREL24;
+ else if (r_type == elfcpp::R_PPC64_PLTCALL_NOTOC)
+ r_type = elfcpp::R_PPC64_REL24_NOTOC;
else
r_type = elfcpp::R_POWERPC_REL24;
}
|| r_type == elfcpp::R_POWERPC_PLT16_HA)))
addend = rela.get_r_addend();
value = psymval->value(object, addend);
- if (size == 64 && is_branch_reloc(r_type))
+ if (size == 64 && is_branch_reloc<size>(r_type))
{
if (target->abiversion() >= 2)
{
&value, &dest_shndx);
}
}
- Address max_branch_offset = max_branch_delta(r_type);
+ Address max_branch_offset = max_branch_delta<size>(r_type);
if (max_branch_offset != 0
- && value - address + max_branch_offset >= 2 * max_branch_offset)
+ && (value - address + max_branch_offset >= 2 * max_branch_offset
+ || (size == 64
+ && r_type == elfcpp::R_PPC64_REL24_NOTOC
+ && (gsym != NULL
+ ? object->ppc64_needs_toc(gsym)
+ : object->ppc64_needs_toc(r_sym)))))
{
Stub_table<size, big_endian>* stub_table
= object->stub_table(relinfo->data_shndx);
if (stub_table != NULL)
{
- Address off = stub_table->find_long_branch_entry(object, value);
- if (off != invalid_address)
+ const typename Stub_table<size, big_endian>::Branch_stub_ent* ent
+ = stub_table->find_long_branch_entry(object, value);
+ if (ent != NULL)
{
- value = (stub_table->stub_address() + stub_table->plt_size()
- + off);
+ if (ent->save_res_)
+ value = (value - target->savres_section()->address()
+ + stub_table->branch_size());
+ else
+ value = (stub_table->stub_address() + stub_table->plt_size()
+ + ent->off_);
has_stub_value = true;
}
}
switch (r_type)
{
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ break;
+ // Fall through.
case elfcpp::R_PPC64_REL64:
case elfcpp::R_POWERPC_REL32:
case elfcpp::R_POWERPC_REL24:
overflow = Reloc::CHECK_LOW_INSN;
break;
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ break;
+ // Fall through.
case elfcpp::R_POWERPC_ADDR24:
case elfcpp::R_POWERPC_ADDR14:
case elfcpp::R_POWERPC_ADDR14_BRTAKEN:
case elfcpp::R_POWERPC_GNU_VTENTRY:
case elfcpp::R_POWERPC_PLTSEQ:
case elfcpp::R_POWERPC_PLTCALL:
+ case elfcpp::R_PPC64_PLTSEQ_NOTOC:
+ case elfcpp::R_PPC64_PLTCALL_NOTOC:
break;
case elfcpp::R_PPC64_ADDR64:
status = Reloc::addr32_u(view, value, overflow);
break;
+ case elfcpp::R_PPC64_REL24_NOTOC:
+ if (size == 32)
+ goto unsupp; // R_PPC_EMB_RELSDA
+ // Fall through.
case elfcpp::R_POWERPC_ADDR24:
case elfcpp::R_POWERPC_REL24:
case elfcpp::R_PPC_PLTREL24:
case elfcpp::R_PPC64_PLTGOT16_HA:
case elfcpp::R_PPC64_PLTGOT16_DS:
case elfcpp::R_PPC64_PLTGOT16_LO_DS:
- case elfcpp::R_PPC_EMB_RELSDA:
case elfcpp::R_PPC_TOC16:
default:
unsupp:
&& (has_stub_value
|| !(gsym != NULL
&& gsym->is_undefined()
- && is_branch_reloc(r_type))))
+ && is_branch_reloc<size>(r_type))))
{
gold_error_at_location(relinfo, relnum, rela.get_r_offset(),
_("relocation overflow"));
projects / deliverable / binutils-gdb.git / commitdiff
