Fix symbol resolution with linker plugins for defsym symbols.
2018-02-07 Sriraman Tallam <tmsriram@google.com> * expression.cc (Symbol_expression::set_expr_sym_in_real_elf): New method. (Unary_expression::set_expr_sym_in_real_elf): New method. (Binary_expression::set_expr_sym_in_real_elf): New method. (Trinary_expression::set_expr_sym_in_real_elf): New method. * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if defined or used in defsyms. * plugin.h (Plugin_manager::is_defsym_def): New method. (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_. (Plugin_manager::defsym_defines_set_): New member. (Plugin_manager::Defsym_defines_set): New typedef. * script.cc (Script_options::set_defsym_uses_in_real_elf): New method. (Script_options::find_defsym_defs): New method. * script.h (Expression::set_expr_sym_in_real_elf): New method. (Symbol_assignment::is_defsym): New method. (Symbol_assignment::value): New method. (Script_options::find_defsym_defs): New method. (Script_options::set_defsym_uses_in_real_elf): New method. * testsuite/Makefile.am (plugin_test_defsym): New test. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test.c: Check for new symbol resolution. * testsuite/plugin_test_defsym.sh: New script. * testsuite/plugin_test_defsym.c: New test source.
This commit is contained in:
Sriraman Tallam
parent
43859909e2
commit
3281b315c8
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@ -1,3 +1,29 @@
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2018-02-07 Sriraman Tallam <tmsriram@google.com>
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* expression.cc (Symbol_expression::set_expr_sym_in_real_elf):
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New method.
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(Unary_expression::set_expr_sym_in_real_elf): New method.
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(Binary_expression::set_expr_sym_in_real_elf): New method.
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(Trinary_expression::set_expr_sym_in_real_elf): New method.
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* plugin.cc (get_symbol_resolution_info): Fix symbol resolution if
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defined or used in defsyms.
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* plugin.h (Plugin_manager::is_defsym_def): New method.
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(Plugin_manager::Plugin_manager): Initialize defsym_defines_set_.
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(Plugin_manager::defsym_defines_set_): New member.
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(Plugin_manager::Defsym_defines_set): New typedef.
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* script.cc (Script_options::set_defsym_uses_in_real_elf): New method.
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(Script_options::find_defsym_defs): New method.
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* script.h (Expression::set_expr_sym_in_real_elf): New method.
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(Symbol_assignment::is_defsym): New method.
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(Symbol_assignment::value): New method.
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(Script_options::find_defsym_defs): New method.
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(Script_options::set_defsym_uses_in_real_elf): New method.
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* testsuite/Makefile.am (plugin_test_defsym): New test.
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* testsuite/Makefile.in: Regenerate.
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* testsuite/plugin_test.c: Check for new symbol resolution.
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* testsuite/plugin_test_defsym.sh: New script.
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* testsuite/plugin_test_defsym.c: New test source.
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2018-02-07 Alan Modra <amodra@gmail.com>
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Revert 2018-01-17 Alan Modra <amodra@gmail.com>
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@ -205,6 +205,14 @@ class Symbol_expression : public Expression
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uint64_t
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value(const Expression_eval_info*);
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void
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set_expr_sym_in_real_elf(Symbol_table* symtab) const
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{
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Symbol* sym = symtab->lookup(this->name_.c_str());
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if (sym != NULL)
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sym->set_in_real_elf();
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}
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void
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print(FILE* f) const
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{ fprintf(f, "%s", this->name_.c_str()); }
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@ -318,6 +326,10 @@ class Unary_expression : public Expression
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arg_print(FILE* f) const
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{ this->arg_->print(f); }
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void
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set_expr_sym_in_real_elf(Symbol_table* symtab) const
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{ return this->arg_->set_expr_sym_in_real_elf(symtab); }
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private:
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Expression* arg_;
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};
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@ -437,6 +449,13 @@ class Binary_expression : public Expression
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fprintf(f, ")");
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}
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void
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set_expr_sym_in_real_elf(Symbol_table* symtab) const
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{
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this->left_->set_expr_sym_in_real_elf(symtab);
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this->right_->set_expr_sym_in_real_elf(symtab);
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}
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private:
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Expression* left_;
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Expression* right_;
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@ -622,6 +641,14 @@ class Trinary_expression : public Expression
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arg3_print(FILE* f) const
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{ this->arg3_->print(f); }
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void
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set_expr_sym_in_real_elf(Symbol_table* symtab) const
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{
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this->arg1_->set_expr_sym_in_real_elf(symtab);
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this->arg2_->set_expr_sym_in_real_elf(symtab);
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this->arg3_->set_expr_sym_in_real_elf(symtab);
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}
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private:
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Expression* arg1_;
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Expression* arg2_;
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@ -580,6 +580,11 @@ Plugin_manager::all_symbols_read(Workqueue* workqueue, Task* task,
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this->mapfile_ = mapfile;
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this->this_blocker_ = NULL;
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// Set symbols used in defsym expressions as seen in real ELF.
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Layout *layout = parameters->options().plugins()->layout();
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layout->script_options()->set_defsym_uses_in_real_elf(symtab);
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layout->script_options()->find_defsym_defs(this->defsym_defines_set_);
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for (this->current_ = this->plugins_.begin();
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this->current_ != this->plugins_.end();
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++this->current_)
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@ -989,6 +994,7 @@ Pluginobj::get_symbol_resolution_info(Symbol_table* symtab,
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return version > 2 ? LDPS_NO_SYMS : LDPS_OK;
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}
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Plugin_manager* plugins = parameters->options().plugins();
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for (int i = 0; i < nsyms; i++)
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{
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ld_plugin_symbol* isym = &syms[i];
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@ -997,9 +1003,16 @@ Pluginobj::get_symbol_resolution_info(Symbol_table* symtab,
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lsym = symtab->resolve_forwards(lsym);
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ld_plugin_symbol_resolution res = LDPR_UNKNOWN;
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if (lsym->is_undefined())
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// The symbol remains undefined.
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res = LDPR_UNDEF;
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if (plugins->is_defsym_def(lsym->name()))
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{
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// The symbol is redefined via defsym.
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res = LDPR_PREEMPTED_REG;
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}
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else if (lsym->is_undefined())
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{
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// The symbol remains undefined.
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res = LDPR_UNDEF;
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}
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else if (isym->def == LDPK_UNDEF
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|| isym->def == LDPK_WEAKUNDEF
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|| isym->def == LDPK_COMMON)
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@ -146,11 +146,18 @@ class Plugin_manager
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options_(options), workqueue_(NULL), task_(NULL), input_objects_(NULL),
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symtab_(NULL), layout_(NULL), dirpath_(NULL), mapfile_(NULL),
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this_blocker_(NULL), extra_search_path_(), lock_(NULL),
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initialize_lock_(&lock_)
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initialize_lock_(&lock_), defsym_defines_set_()
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{ this->current_ = plugins_.end(); }
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~Plugin_manager();
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// Returns true if the symbol name is used in the LHS of a defsym.
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bool
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is_defsym_def(const char* sym_name) const
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{
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return defsym_defines_set_.find(sym_name) != defsym_defines_set_.end();
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}
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// Add a plugin library.
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void
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add_plugin(const char* filename)
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@ -402,6 +409,10 @@ class Plugin_manager
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std::string extra_search_path_;
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Lock* lock_;
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Initialize_lock initialize_lock_;
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// Keep track of all symbols defined by defsym.
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typedef Unordered_set<std::string> Defsym_defines_set;
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Defsym_defines_set defsym_defines_set_;
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};
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@ -1112,6 +1112,29 @@ Script_options::is_pending_assignment(const char* name)
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return false;
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}
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// Populates the set with symbols defined in defsym LHS.
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void Script_options::find_defsym_defs(Unordered_set<std::string>& defsym_set)
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{
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for (Symbol_assignments::const_iterator p = this->symbol_assignments_.begin();
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p != this->symbol_assignments_.end();
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++p)
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{
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defsym_set.insert((*p)->name());
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}
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}
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void
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Script_options::set_defsym_uses_in_real_elf(Symbol_table* symtab) const
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{
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for (Symbol_assignments::const_iterator p = this->symbol_assignments_.begin();
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p != this->symbol_assignments_.end();
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++p)
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{
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(*p)->value()->set_expr_sym_in_real_elf(symtab);
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}
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}
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// Add a symbol to be defined.
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void
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@ -129,13 +129,17 @@ class Expression
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virtual uint64_t
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value(const Expression_eval_info*) = 0;
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// Sets all symbols used in expressions as seen in a real ELF object.
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virtual void
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set_expr_sym_in_real_elf(Symbol_table*) const
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{ return; }
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private:
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// May not be copied.
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Expression(const Expression&);
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Expression& operator=(const Expression&);
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};
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// Version_script_info stores information parsed from the version
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// script, either provided by --version-script or as part of a linker
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// script. A single Version_script_info object per target is owned by
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@ -344,6 +348,14 @@ class Symbol_assignment
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void
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finalize(Symbol_table*, const Layout*);
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bool
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is_defsym() const
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{ return is_defsym_; }
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Expression *
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value() const
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{ return val_; }
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// Finalize the symbol value when it can refer to the dot symbol.
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void
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finalize_with_dot(Symbol_table*, const Layout*, uint64_t dot_value,
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@ -454,6 +466,13 @@ class Script_options
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bool
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define_symbol(const char* definition);
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// Populates the set with symbol names used in LHS of defsym.
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void
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find_defsym_defs(Unordered_set<std::string>&);
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// Set symbols used in defsym expressions as seen in a real ELF object.
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void set_defsym_uses_in_real_elf(Symbol_table*) const;
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// Create sections required by any linker scripts.
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void
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create_script_sections(Layout*);
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@ -2332,11 +2332,22 @@ plugin_test_start_lib: unused.o plugin_start_lib_test.o plugin_start_lib_test_2.
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plugin_test_start_lib.err: plugin_test_start_lib
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@touch plugin_test_start_lib.err
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check_PROGRAMS += plugin_test_defsym
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check_SCRIPTS += plugin_test_defsym.sh
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check_DATA += plugin_test_defsym.err
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MOSTLYCLEANFILES += plugin_test_defsym.err
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plugin_test_defsym.syms: plugin_test_defsym.o
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$(TEST_READELF) -sW $< >$@ 2>/dev/null
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plugin_test_defsym.o: plugin_test_defsym.c
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$(COMPILE) -c -o $@ $<
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plugin_test_defsym: plugin_test_defsym.o plugin_test_defsym.syms gcctestdir/ld plugin_test.so
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$(CXXLINK) -Bgcctestdir/ -Wl,--no-demangle,--plugin,"./plugin_test.so" -Wl,--defsym,bar=foo plugin_test_defsym.syms 2>plugin_test_defsym.err
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plugin_test_defsym.err: plugin_test_defsym
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@touch plugin_test_defsym.err
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plugin_start_lib_test_2.syms: plugin_start_lib_test_2.o
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$(TEST_READELF) -sW $< >$@ 2>/dev/null
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plugin_test.so: plugin_test.o gcctestdir/ld
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$(LINK) -Bgcctestdir/ -shared plugin_test.o
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plugin_test.o: plugin_test.c
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@ -535,7 +535,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_10 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_11 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_12 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_defsym
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@am__append_45 = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_1.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_2.sh \
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@ -546,7 +547,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_10.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_11.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_12.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib.sh
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib.sh \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_defsym.sh
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# Test that symbols known in the IR file but not in the replacement file
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# produce an unresolved symbol error.
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@ -566,7 +568,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_10.sections \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_11.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_12.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib.err
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_defsym.err
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# Make a copy of two_file_test_1.o, which does not define the symbol _Z4t16av.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@am__append_47 = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_1.err \
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@ -583,7 +586,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_11.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_thin.a \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_12.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib.err
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib.err \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_defsym.err
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__append_48 = plugin_test_tls
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__append_49 = plugin_test_tls.sh
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__append_50 = plugin_test_tls.err
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@ -1211,7 +1215,8 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_10$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_11$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_12$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib$(EXEEXT)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_start_lib$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ plugin_test_defsym$(EXEEXT)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__EXEEXT_25 = plugin_test_tls$(EXEEXT)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_26 = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exclude_libs_test$(EXEEXT) \
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@ -1932,6 +1937,13 @@ plugin_test_8_DEPENDENCIES = libgoldtest.a ../libgold.a \
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../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
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$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
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$(am__DEPENDENCIES_1)
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plugin_test_defsym_SOURCES = plugin_test_defsym.c
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plugin_test_defsym_OBJECTS = plugin_test_defsym.$(OBJEXT)
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plugin_test_defsym_LDADD = $(LDADD)
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plugin_test_defsym_DEPENDENCIES = libgoldtest.a ../libgold.a \
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../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
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$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
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$(am__DEPENDENCIES_1)
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plugin_test_start_lib_SOURCES = plugin_test_start_lib.c
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plugin_test_start_lib_OBJECTS = plugin_test_start_lib.$(OBJEXT)
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plugin_test_start_lib_LDADD = $(LDADD)
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@ -2475,8 +2487,8 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c basic_pie_test.c \
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plugin_test_10.c plugin_test_11.c plugin_test_12.c \
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plugin_test_2.c plugin_test_3.c plugin_test_4.c \
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plugin_test_5.c plugin_test_6.c plugin_test_7.c \
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plugin_test_8.c plugin_test_start_lib.c plugin_test_tls.c \
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pr17704a_test.c $(pr20216a_test_SOURCES) \
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plugin_test_8.c plugin_test_defsym.c plugin_test_start_lib.c \
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plugin_test_tls.c pr17704a_test.c $(pr20216a_test_SOURCES) \
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$(pr20216b_test_SOURCES) $(pr20216c_test_SOURCES) \
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$(pr20216d_test_SOURCES) $(pr20216e_test_SOURCES) \
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$(pr20308a_test_SOURCES) $(pr20308b_test_SOURCES) \
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@ -4108,6 +4120,15 @@ pie_copyrelocs_test$(EXEEXT): $(pie_copyrelocs_test_OBJECTS) $(pie_copyrelocs_te
|
|||
@PLUGINS_FALSE@plugin_test_8$(EXEEXT): $(plugin_test_8_OBJECTS) $(plugin_test_8_DEPENDENCIES) $(EXTRA_plugin_test_8_DEPENDENCIES)
|
||||
@PLUGINS_FALSE@ @rm -f plugin_test_8$(EXEEXT)
|
||||
@PLUGINS_FALSE@ $(LINK) $(plugin_test_8_OBJECTS) $(plugin_test_8_LDADD) $(LIBS)
|
||||
@GCC_FALSE@plugin_test_defsym$(EXEEXT): $(plugin_test_defsym_OBJECTS) $(plugin_test_defsym_DEPENDENCIES) $(EXTRA_plugin_test_defsym_DEPENDENCIES)
|
||||
@GCC_FALSE@ @rm -f plugin_test_defsym$(EXEEXT)
|
||||
@GCC_FALSE@ $(LINK) $(plugin_test_defsym_OBJECTS) $(plugin_test_defsym_LDADD) $(LIBS)
|
||||
@NATIVE_LINKER_FALSE@plugin_test_defsym$(EXEEXT): $(plugin_test_defsym_OBJECTS) $(plugin_test_defsym_DEPENDENCIES) $(EXTRA_plugin_test_defsym_DEPENDENCIES)
|
||||
@NATIVE_LINKER_FALSE@ @rm -f plugin_test_defsym$(EXEEXT)
|
||||
@NATIVE_LINKER_FALSE@ $(LINK) $(plugin_test_defsym_OBJECTS) $(plugin_test_defsym_LDADD) $(LIBS)
|
||||
@PLUGINS_FALSE@plugin_test_defsym$(EXEEXT): $(plugin_test_defsym_OBJECTS) $(plugin_test_defsym_DEPENDENCIES) $(EXTRA_plugin_test_defsym_DEPENDENCIES)
|
||||
@PLUGINS_FALSE@ @rm -f plugin_test_defsym$(EXEEXT)
|
||||
@PLUGINS_FALSE@ $(LINK) $(plugin_test_defsym_OBJECTS) $(plugin_test_defsym_LDADD) $(LIBS)
|
||||
@GCC_FALSE@plugin_test_start_lib$(EXEEXT): $(plugin_test_start_lib_OBJECTS) $(plugin_test_start_lib_DEPENDENCIES) $(EXTRA_plugin_test_start_lib_DEPENDENCIES)
|
||||
@GCC_FALSE@ @rm -f plugin_test_start_lib$(EXEEXT)
|
||||
@GCC_FALSE@ $(LINK) $(plugin_test_start_lib_OBJECTS) $(plugin_test_start_lib_LDADD) $(LIBS)
|
||||
|
|
@ -4520,6 +4541,7 @@ distclean-compile:
|
|||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_6.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_7.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_8.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_defsym.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_start_lib.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_tls.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pr17704a_test.Po@am__quote@
|
||||
|
|
@ -5293,6 +5315,8 @@ plugin_test_12.sh.log: plugin_test_12.sh
|
|||
@p='plugin_test_12.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_test_start_lib.sh.log: plugin_test_start_lib.sh
|
||||
@p='plugin_test_start_lib.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_test_defsym.sh.log: plugin_test_defsym.sh
|
||||
@p='plugin_test_defsym.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_test_tls.sh.log: plugin_test_tls.sh
|
||||
@p='plugin_test_tls.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_final_layout.sh.log: plugin_final_layout.sh
|
||||
|
|
@ -5661,6 +5685,8 @@ plugin_test_12.log: plugin_test_12$(EXEEXT)
|
|||
@p='plugin_test_12$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_test_start_lib.log: plugin_test_start_lib$(EXEEXT)
|
||||
@p='plugin_test_start_lib$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_test_defsym.log: plugin_test_defsym$(EXEEXT)
|
||||
@p='plugin_test_defsym$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
plugin_test_tls.log: plugin_test_tls$(EXEEXT)
|
||||
@p='plugin_test_tls$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
exclude_libs_test.log: exclude_libs_test$(EXEEXT)
|
||||
|
|
@ -7010,6 +7036,14 @@ uninstall-am:
|
|||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ -Wl,--start-lib plugin_start_lib_test_2.syms -Wl,--end-lib 2>plugin_test_start_lib.err
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_start_lib.err: plugin_test_start_lib
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ @touch plugin_test_start_lib.err
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_defsym.syms: plugin_test_defsym.o
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ $(TEST_READELF) -sW $< >$@ 2>/dev/null
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_defsym.o: plugin_test_defsym.c
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ $(COMPILE) -c -o $@ $<
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_defsym: plugin_test_defsym.o plugin_test_defsym.syms gcctestdir/ld plugin_test.so
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ $(CXXLINK) -Bgcctestdir/ -Wl,--no-demangle,--plugin,"./plugin_test.so" -Wl,--defsym,bar=foo plugin_test_defsym.syms 2>plugin_test_defsym.err
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_defsym.err: plugin_test_defsym
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ @touch plugin_test_defsym.err
|
||||
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_start_lib_test_2.syms: plugin_start_lib_test_2.o
|
||||
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@ $(TEST_READELF) -sW $< >$@ 2>/dev/null
|
||||
|
|
|
|||
|
|
@ -0,0 +1,32 @@
|
|||
/* plugin_test_defsym.c -- a test case for gold
|
||||
|
||||
Copyright (C) 2018 onwards Free Software Foundation, Inc.
|
||||
Written by Sriraman Tallam <tmsriram@google.com>
|
||||
|
||||
This file is part of gold.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
||||
MA 02110-1301, USA. */
|
||||
|
||||
int foo(void);
|
||||
int foo(void) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
int bar(void);
|
||||
|
||||
int main(void) {
|
||||
return bar();
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
#!/bin/sh
|
||||
|
||||
# plugin_test_defsym.sh -- a test case for the plugin API.
|
||||
|
||||
# Copyright (C) 2018 onwards Free Software Foundation, Inc.
|
||||
# Written by Sriraman Tallam <tmsriram@google.com>.
|
||||
|
||||
# This file is part of gold.
|
||||
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
||||
# MA 02110-1301, USA.
|
||||
|
||||
# This file goes with plugin_test.c, a simple plug-in library that
|
||||
# exercises the basic interfaces and prints out version numbers and
|
||||
# options passed to the plugin.
|
||||
|
||||
# This checks if the symbol resolution withe export dynamic symbol is
|
||||
# as expected.
|
||||
|
||||
check()
|
||||
{
|
||||
if ! grep -q "$2" "$1"
|
||||
then
|
||||
echo "Did not find expected output in $1:"
|
||||
echo " $2"
|
||||
echo ""
|
||||
echo "Actual output below:"
|
||||
cat "$1"
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
check plugin_test_defsym.err "API version:"
|
||||
check plugin_test_defsym.err "gold version:"
|
||||
check plugin_test_defsym.err "plugin_test_defsym.syms: claim file hook called"
|
||||
check plugin_test_defsym.err "plugin_test_defsym.syms: bar: PREEMPTED_REG"
|
||||
check plugin_test_defsym.err "plugin_test_defsym.syms: foo: PREVAILING_DEF_REG"
|
||||
check plugin_test_defsym.err "cleanup hook called"
|
||||
|
||||
exit 0
|
||||
Loading…
Reference in New Issue