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Give informative error message for stub-group-size

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This patch gives current stub-group-size in error message when stub
is too far away.

	* aarch64.cc (Target_aarch64): Add new variable: stub_group_size_.
	(AArch64_relocate_functions::maybe_apply_stub): Add new parameter.
	Update error message.
	(Target_aarch64::do_relax): Use absolute value of option
	stub_group_size. Replace local variable with class member
	stub_group_size_.
This commit is contained in:
Jing Yu 2014-12-10 15:36:56 -08:00
parent fc1269757f
commit 0bf32ea9e6
2 changed files with 26 additions and 10 deletions
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9
gold/ChangeLog
View File

@ -1,3 +1,12 @@
2014-12-10 Jing Yu <jingyu@google.com>
* aarch64.cc (Target_aarch64): Add new variable stub_group_size_.
(AArch64_relocate_functions::maybe_apply_stub): Add new parameter.
Update error message.
(Target_aarch64::do_relax): Use absolute value of option
stub_group_size. Replace local variable with class member
stub_group_size_.
2014-12-04 Alan Modra <amodra@gmail.com>
* powerpc.cc (Target_powerpc::Branch_info::make_stub): Ignore

27
gold/aarch64.cc
View File

@ -1653,7 +1653,7 @@ class Target_aarch64 : public Sized_target<size, big_endian>
rela_irelative_(NULL), copy_relocs_(elfcpp::R_AARCH64_COPY),
got_mod_index_offset_(-1U),
tlsdesc_reloc_info_(), tls_base_symbol_defined_(false),
stub_tables_(), aarch64_input_section_map_()
stub_tables_(), stub_group_size_(0), aarch64_input_section_map_()
{ }
// Scan the relocations to determine unreferenced sections for
@ -2214,6 +2214,8 @@ class Target_aarch64 : public Sized_target<size, big_endian>
bool tls_base_symbol_defined_;
// List of stub_tables
Stub_table_list stub_tables_;
// Actual stub group size
section_size_type stub_group_size_;
AArch64_input_section_map aarch64_input_section_map_;
}; // End of Target_aarch64
@ -4148,7 +4150,8 @@ class AArch64_relocate_functions
Address,
const Sized_symbol<size>*,
const Symbol_value<size>*,
const Sized_relobj_file<size, big_endian>*);
const Sized_relobj_file<size, big_endian>*,
section_size_type);
}; // End of AArch64_relocate_functions
@ -4168,7 +4171,8 @@ maybe_apply_stub(unsigned int r_type,
Address address,
const Sized_symbol<size>* gsym,
const Symbol_value<size>* psymval,
const Sized_relobj_file<size, big_endian>* object)
const Sized_relobj_file<size, big_endian>* object,
section_size_type current_group_size)
{
if (parameters->options().relocatable())
return false;
@ -4200,7 +4204,8 @@ maybe_apply_stub(unsigned int r_type,
rela_general<32>(view, branch_offset, 0, arp);
if (status != This::STATUS_OKAY)
gold_error(_("Stub is too far away, try a smaller value "
"for '--stub-group-size'. For example, 0x2000000."));
"for '--stub-group-size'. The current value is 0x%lx."),
current_group_size);
return true;
}
@ -4293,16 +4298,17 @@ Target_aarch64<size, big_endian>::do_relax(
gold_assert(!parameters->options().relocatable());
if (pass == 1)
{
section_size_type stub_group_size =
parameters->options().stub_group_size();
if (stub_group_size == 1)
// We don't handle negative stub_group_size right now.
this->stub_group_size_ = abs(parameters->options().stub_group_size());
if (this->stub_group_size_ == 1)
{
// Leave room for 4096 4-byte stub entries. If we exceed that, then we
// will fail to link. The user will have to relink with an explicit
// group size option.
stub_group_size = The_reloc_stub::MAX_BRANCH_OFFSET - 4096 * 4;
this->stub_group_size_ = The_reloc_stub::MAX_BRANCH_OFFSET -
4096 * 4;
}
group_sections(layout, stub_group_size, true, task);
group_sections(layout, this->stub_group_size_, true, task);
}
else
{
@ -5739,7 +5745,8 @@ Target_aarch64<size, big_endian>::Relocate::relocate(
// Fallthrough
case elfcpp::R_AARCH64_JUMP26:
if (Reloc::maybe_apply_stub(r_type, relinfo, rela, view, address,
gsym, psymval, object))
gsym, psymval, object,
target->stub_group_size_))
break;
// Fallthrough
case elfcpp::R_AARCH64_TSTBR14: