espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-23 03:29:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

[GOLD] PowerPC stub debug

Browse Source 
Some more debug output, and a little hardening.

	* powerpc.cc (Stub_table_owner): Provide constructor.
	(Powerpc_relobj::set_stub_table): Resize fill with -1.
	(Target_powerpc::Branch_info::make_stub): Provide target debug
	output on returning false.
This commit is contained in:
Alan Modra
2016-12-07 14:11:57 +10:30
parent 86a6934561
commit dc60b26d98
2 changed files with 34 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
gold/ChangeLog
View File

@ -1,3 +1,10 @@
2016-12-07 Alan Modra <amodra@gmail.com>
* powerpc.cc (Stub_table_owner): Provide constructor.
(Powerpc_relobj::set_stub_table): Resize fill with -1.
(Target_powerpc::Branch_info::make_stub): Provide target debug
output on returning false.
2016-12-05 Cary Coutant <ccoutant@gmail.com> 2016-12-05 Cary Coutant <ccoutant@gmail.com>
Tristan Gingold <gingold@adacore.com> Tristan Gingold <gingold@adacore.com>

38
gold/powerpc.cc
View File

@ -70,6 +70,10 @@ class Target_powerpc;
struct Stub_table_owner struct Stub_table_owner
{ {
Stub_table_owner()
: output_section(NULL), owner(NULL)
{ }
Output_section* output_section; Output_section* output_section;
const Output_section::Input_section* owner; const Output_section::Input_section* owner;
}; };
@ -275,7 +279,7 @@ public:
set_stub_table(unsigned int shndx, unsigned int stub_index) set_stub_table(unsigned int shndx, unsigned int stub_index)
{ {
if (shndx >= this->stub_table_index_.size()) if (shndx >= this->stub_table_index_.size())
this->stub_table_index_.resize(shndx + 1); this->stub_table_index_.resize(shndx + 1, -1);
this->stub_table_index_[shndx] = stub_index; this->stub_table_index_[shndx] = stub_index;
} }
@ -2720,6 +2724,8 @@ Target_powerpc<size, big_endian>::Branch_info::make_stub(
Target_powerpc<size, big_endian>* target = Target_powerpc<size, big_endian>* target =
static_cast<Target_powerpc<size, big_endian>*>( static_cast<Target_powerpc<size, big_endian>*>(
parameters->sized_target<size, big_endian>()); parameters->sized_target<size, big_endian>());
bool ok = true;
if (gsym != NULL if (gsym != NULL
? gsym->use_plt_offset(Scan::get_reference_flags(this->r_type_, target)) ? gsym->use_plt_offset(Scan::get_reference_flags(this->r_type_, target))
: this->object_->local_has_plt_offset(this->r_sym_)) : this->object_->local_has_plt_offset(this->r_sym_))
@ -2745,13 +2751,13 @@ Target_powerpc<size, big_endian>::Branch_info::make_stub(
from += (this->object_->output_section(this->shndx_)->address() from += (this->object_->output_section(this->shndx_)->address()
+ this->offset_); + this->offset_);
if (gsym != NULL) if (gsym != NULL)
return stub_table->add_plt_call_entry(from, ok = stub_table->add_plt_call_entry(from,
this->object_, gsym, this->object_, gsym,
this->r_type_, this->addend_); this->r_type_, this->addend_);
else else
return stub_table->add_plt_call_entry(from, ok = stub_table->add_plt_call_entry(from,
this->object_, this->r_sym_, this->object_, this->r_sym_,
this->r_type_, this->addend_); this->r_type_, this->addend_);
} }
} }
else else
@ -2838,12 +2844,22 @@ Target_powerpc<size, big_endian>::Branch_info::make_stub(
&& gsym != NULL && gsym != NULL
&& gsym->source() == Symbol::IN_OUTPUT_DATA && gsym->source() == Symbol::IN_OUTPUT_DATA
&& gsym->output_data() == target->savres_section()); && gsym->output_data() == target->savres_section());
return stub_table->add_long_branch_entry(this->object_, ok = stub_table->add_long_branch_entry(this->object_,
this->r_type_, this->r_type_,
from, to, save_res); from, to, save_res);
} }
} }
return true; if (!ok)
gold_debug(DEBUG_TARGET,
"branch at %s:%s+%#lx\n"
"can't reach stub attached to %s:%s",
this->object_->name().c_str(),
this->object_->section_name(this->shndx_).c_str(),
(unsigned long) this->offset_,
stub_table->relobj()->name().c_str(),
stub_table->relobj()->section_name(stub_table->shndx()).c_str());
return ok;
} }
// Relaxation hook. This is where we do stub generation. // Relaxation hook. This is where we do stub generation.