Added a testsuite. More support for COPY relocations.

8 files changed, 1082 insertions, 0 deletions

diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
new file mode 100644
index 0000000..122be70
--- /dev/null
+++ b/gold/testsuite/Makefile.am
@@ -0,0 +1,22 @@
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+	-I$(srcdir)/../../elfcpp \
+	-DLOCALEDIR="\"$(datadir)/locale\"" \
+	@INCINTL@
+
+TESTS = object_unittest
+
+check_LIBRARIES = libgoldtest.a
+libgoldtest_a_SOURCES = test.cc testmain.cc testfile.cc
+
+LDADD = libgoldtest.a ../libgold.a
+
+check_PROGRAMS = object_unittest
+
+object_unittest_SOURCES = object_unittest.cc
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
new file mode 100644
index 0000000..4967af6
--- /dev/null
+++ b/gold/testsuite/Makefile.in
@@ -0,0 +1,521 @@
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+	mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-info-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/gold/testsuite/object_unittest.cc b/gold/testsuite/object_unittest.cc
new file mode 100644
index 0000000..c15237d
--- /dev/null
+++ b/gold/testsuite/object_unittest.cc
@@ -0,0 +1,41 @@
+// object_unittest.cc -- test Object, Relobj, etc.
+
+#include "gold.h"
+
+#include "object.h"
+
+#include "test.h"
+#include "testfile.h"
+
+namespace gold_testsuite
+{
+
+using namespace gold;
+
+// Test basic Object functionality.
+
+bool
+Object_test(Test_report*)
+{
+  Input_file input_file("test.o", test_file_1, test_file_1_size);
+  Object* object = make_elf_object("test.o", &input_file, 0,
+				   test_file_1, test_file_1_size);
+  CHECK(object->name() == "test.o");
+  CHECK(!object->is_dynamic());
+  CHECK(object->target() == target_test_pointer);
+  CHECK(object->is_locked());
+  object->unlock();
+  CHECK(!object->is_locked());
+  object->lock();
+  CHECK(object->shnum() == 5);
+  CHECK(object->section_name(0).empty());
+  CHECK(object->section_name(1) == ".test");
+  CHECK(object->section_flags(0) == 0);
+  CHECK(object->section_flags(1) == elfcpp::SHF_ALLOC);
+  object->unlock();
+  return true;
+}
+
+Register_test object_register("Object", Object_test);
+
+} // End namespace gold_testsuite.
diff --git a/gold/testsuite/test.cc b/gold/testsuite/test.cc
new file mode 100644
index 0000000..37a4ada
--- /dev/null
+++ b/gold/testsuite/test.cc
@@ -0,0 +1,78 @@
+// test.cc -- simplistic test framework for gold.
+
+#include "gold.h"
+
+#include <cstdio>
+
+#include "test.h"
+
+namespace gold_testsuite
+{
+
+// Test_framework methods.
+
+// The current test being run.
+
+Test_report* Test_framework::current_report;
+
+// Run a test.
+
+void
+Test_framework::run(const char *name, bool (*pfn)(Test_report*))
+{
+  this->testname_ = name;
+  this->current_fail_ = false;
+
+  Test_report tr(this);
+  Test_framework::current_report = &tr;
+
+  if ((*pfn)(&tr) && !this->current_fail_)
+    {
+      printf("PASS: %s\n", name);
+      ++this->passes_;
+    }
+  else
+    {
+      printf("FAIL: %s\n", name);
+      ++this->failures_;
+    }
+
+  Test_framework::current_report = NULL;
+  this->testname_ = NULL;
+}
+
+// Let a test report an error.
+
+void
+Test_framework::error(const char* message)
+{
+  printf("ERROR: %s: %s\n", this->testname_, message);
+  this->fail();
+}
+
+// Register_test methods.
+
+// Linked list of all registered tests.
+
+Register_test* Register_test::all_tests;
+
+// Register a test.
+
+Register_test::Register_test(const char* name, bool (*pfn)(Test_report*))
+  : name_(name), pfn_(pfn), next_(Register_test::all_tests)
+{
+  Register_test::all_tests = this;
+}
+
+// Run all registered tests.
+
+void
+Register_test::run_tests(Test_framework* tf)
+{
+  for (Register_test* p = Register_test::all_tests;
+       p != NULL;
+       p = p->next_)
+    tf->run(p->name_, p->pfn_);
+}
+
+} // End namespace gold_testsuite.
diff --git a/gold/testsuite/test.h b/gold/testsuite/test.h
new file mode 100644
index 0000000..e0556e2
--- /dev/null
+++ b/gold/testsuite/test.h
@@ -0,0 +1,121 @@
+// test.h -- simplistic test framework for gold unittests -*- C++ -*-
+
+#ifndef GOLD_TESTSUITE_TEST_H
+#define GOLD_TESTSUITE_TEST_H
+
+namespace gold_testsuite
+{
+
+class Test_report;
+
+// This class handles basic test framework functionality.
+
+class Test_framework
+{
+ public:
+  Test_framework()
+    : testname_(NULL), current_fail_(0), passes_(0), failures_(0)
+  { }
+
+  // Return number of failures.
+  unsigned int
+  failures() const
+  { return this->failures_; }
+
+  // Run a test.
+  void
+  run(const char* name, bool (*pfn)(Test_report*));
+
+  // Get the current Test_report.  This is used by the test support
+  // macros.
+  static Test_report*
+  report()
+  { return Test_framework::current_report; }
+
+ private:
+  friend class Test_report;
+
+  // Cause the current test to fail.
+  void
+  fail()
+  { ++this->current_fail_ = true; }
+
+  // Report an error from the current test.
+  void
+  error(const char* message);
+
+  // Current Test_report.  This is a static variable valid while a
+  // test is being run.
+  static Test_report* current_report;
+
+  // Current test being run.
+  const char* testname_;
+  // Whether the current test is failing.
+  bool current_fail_;
+  // Total number of passeed tests.
+  unsigned int passes_;
+  // Total number of failed tests.
+  unsigned int failures_;
+};
+
+// An instance of this class is passed to each test function.
+
+class Test_report
+{
+public:
+  Test_report(Test_framework* tf)
+    : tf_(tf)
+  { }
+
+  // Mark the test as failing.
+  void
+  fail()
+  { this->tf_->fail(); }
+
+  // Report an error.
+  void
+  error(const char* message)
+  { this->tf_->error(message); }
+
+private:
+  Test_framework* tf_;
+};
+
+// This class registers a test function so that the testsuite runs it.
+
+class Register_test
+{
+ public: 
+  Register_test(const char* name, bool (*pfn)(Test_report*));
+
+  // Run all registered tests.
+  static void
+  run_tests(Test_framework*);
+
+ private:
+  // Linked list of all tests.
+  static Register_test* all_tests;
+
+  // Test name.
+  const char* name_;
+  // Function to call.  It should return true if the test passes,
+  // false if it fails.
+  bool (*pfn_)(Test_report*);
+  // Next test in linked list.
+  Register_test* next_;
+};
+
+} // End namespace gold_testsuite.
+
+// These macros are for convenient use in tests.
+
+// Check that a condition is true.  If it is false, report a failure.
+
+#define CHECK(cond) \
+  ((cond) ? 0 : (::gold_testsuite::Test_framework::report()->fail(), 0))
+
+// Report an error during a test.
+
+#define ERROR(msg) (::gold_testsuite::Test_framework::report()->error(msg))
+
+#endif // !defined(GOLD_TESTSUITE_TEST_H)
diff --git a/gold/testsuite/testfile.cc b/gold/testsuite/testfile.cc
new file mode 100644
index 0000000..bfe3c9d
--- /dev/null
+++ b/gold/testsuite/testfile.cc
@@ -0,0 +1,261 @@
+// testfile.cc -- Dummy ELF objects for testing purposes.
+
+#include "gold.h"
+
+#include "target.h"
+#include "target-select.h"
+
+#include "test.h"
+#include "testfile.h"
+
+namespace gold_testsuite
+{
+
+using namespace gold;
+
+// A Target used for testing purposes.
+
+class Target_test : public Sized_target<32, false>
+{
+ public:
+  Target_test()
+    : Sized_target<32, false>(&test_target_info)
+  { }
+
+  void
+  scan_relocs(const General_options&, Symbol_table*, Layout*,
+	      Sized_relobj<32, false>*, unsigned int, unsigned int,
+	      const unsigned char*, size_t, size_t, const unsigned char*,
+	      Symbol**)
+  { ERROR("call to Target_test::scan_relocs"); }
+
+  void
+  relocate_section(const Relocate_info<32, false>*, unsigned int,
+		   const unsigned char*, size_t, unsigned char*,
+		   elfcpp::Elf_types<32>::Elf_Addr, off_t)
+  { ERROR("call to Target_test::relocate_section"); }
+
+  static const Target::Target_info test_target_info;
+};
+
+const Target::Target_info Target_test::test_target_info =
+{
+  32,					// size
+  false,				// is_big_endian
+  static_cast<elfcpp::EM>(0xffff),	// machine_code
+  false,				// has_make_symbol
+  false,				// has_resolve
+  "/dummy",				// dynamic_linker
+  0x08000000,				// text_segment_address
+  0x1000,				// abi_pagesize
+  0x1000				// common_pagesize
+};
+
+// The single test target.
+
+Target_test target_test;
+
+// A pointer to the test target.  This is used in CHECKs.
+
+Target* target_test_pointer = &target_test;
+
+// Select the test target.
+
+class Target_selector_test : public Target_selector
+{
+ public:
+  Target_selector_test()
+    : Target_selector(0xffff, 32, false)
+  { }
+
+  Target*
+  recognize(int, int, int)
+  { return &target_test; }
+};
+
+// Register the test target selector.
+
+Target_selector_test target_selector_test;
+
+// A simple ELF object with one empty section, named ".test" and one
+// globally visible symbol named "test".
+
+const unsigned char test_file_1[] =
+{
+  // Ehdr
+  // EI_MAG[0-3]
+  0x7f, 'E', 'L', 'F',
+  // EI_CLASS: 32 bit.
+  1,
+  // EI_DATA: little endian
+  1,
+  // EI_VERSION
+  1,
+  // EI_OSABI
+  0,
+  // EI_ABIVERSION
+  0,
+  // EI_PAD
+  0, 0, 0, 0, 0, 0, 0,
+  // e_type: ET_REL
+  1, 0,
+  // e_machine: a magic value used for testing.
+  0xff, 0xff,
+  // e_version
+  1, 0, 0, 0,
+  // e_entry
+  0, 0, 0, 0,
+  // e_phoff
+  0, 0, 0, 0,
+  // e_shoff: starts right after file header
+  52, 0, 0, 0,
+  // e_flags
+  0, 0, 0, 0,
+  // e_ehsize
+  52, 0,
+  // e_phentsize
+  32, 0,
+  // e_phnum
+  0, 0,
+  // e_shentsize
+  40, 0,
+  // e_shnum: dummy, .test, .symtab, .strtab, .shstrtab
+  5, 0,
+  // e_shstrndx
+  4, 0,
+
+  // Offset 52
+  // Shdr 0: dummy entry
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0,
+
+  // Offset 92
+  // Shdr 1: .test
+  // sh_name: after initial null
+  1, 0, 0, 0,
+  // sh_type: SHT_PROGBITS
+  1, 0, 0, 0,
+  // sh_flags: SHF_ALLOC
+  2, 0, 0, 0,
+  // sh_addr
+  0, 0, 0, 0,
+  // sh_offset: after file header + 5 section headers
+  252, 0, 0, 0,
+  // sh_size
+  0, 0, 0, 0,
+  // sh_link
+  0, 0, 0, 0,
+  // sh_info
+  0, 0, 0, 0,
+  // sh_addralign
+  1, 0, 0, 0,
+  // sh_entsize
+  0, 0, 0, 0,
+
+  // Offset 132
+  // Shdr 2: .symtab
+  // sh_name: 1 null byte + ".test\0"
+  7, 0, 0, 0,
+  // sh_type: SHT_SYMTAB
+  2, 0, 0, 0,
+  // sh_flags
+  0, 0, 0, 0,
+  // sh_addr
+  0, 0, 0, 0,
+  // sh_offset: after file header + 5 section headers + empty section
+  252, 0, 0, 0,
+  // sh_size: two symbols: dummy symbol + test symbol
+  32, 0, 0, 0,
+  // sh_link: to .strtab
+  3, 0, 0, 0,
+  // sh_info: one local symbol, the dummy symbol
+  1, 0, 0, 0,
+  // sh_addralign
+  4, 0, 0, 0,
+  // sh_entsize: size of symbol
+  16, 0, 0, 0,
+
+  // Offset 172
+  // Shdr 3: .strtab
+  // sh_name: 1 null byte + ".test\0" + ".symtab\0"
+  15, 0, 0, 0,
+  // sh_type: SHT_STRTAB
+  3, 0, 0, 0,
+  // sh_flags
+  0, 0, 0, 0,
+  // sh_addr
+  0, 0, 0, 0,
+  // sh_offset: after .symtab section.  284 == 0x11c
+  0x1c, 0x1, 0, 0,
+  // sh_size: 1 null byte + "test\0"
+  6, 0, 0, 0,
+  // sh_link
+  0, 0, 0, 0,
+  // sh_info
+  0, 0, 0, 0,
+  // sh_addralign
+  1, 0, 0, 0,
+  // sh_entsize
+  0, 0, 0, 0,
+
+  // Offset 212
+  // Shdr 4: .shstrtab
+  // sh_name: 1 null byte + ".test\0" + ".symtab\0" + ".strtab\0"
+  23, 0, 0, 0,
+  // sh_type: SHT_STRTAB
+  3, 0, 0, 0,
+  // sh_flags
+  0, 0, 0, 0,
+  // sh_addr
+  0, 0, 0, 0,
+  // sh_offset: after .strtab section.  290 == 0x122
+  0x22, 0x1, 0, 0,
+  // sh_size: all section names
+  33, 0, 0, 0,
+  // sh_link
+  0, 0, 0, 0,
+  // sh_info
+  0, 0, 0, 0,
+  // sh_addralign
+  1, 0, 0, 0,
+  // sh_entsize
+  0, 0, 0, 0,
+
+  // Offset 252
+  // Contents of .symtab section
+  // Symbol 0
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+  // Offset 268
+  // Symbol 1
+  // st_name
+  1, 0, 0, 0,
+  // st_value
+  0, 0, 0, 0,
+  // st_size
+  0, 0, 0, 0,
+  // st_info: STT_NOTYPE, STB_GLOBAL
+  0x10,
+  // st_other
+  0,
+  // st_shndx: In .test
+  1, 0,
+
+  // Offset 284
+  // Contents of .strtab section
+  '\0',
+  't', 'e', 's', 't', '\0',
+
+  // Offset 290
+  // Contents of .shstrtab section
+  '\0',
+  '.', 't', 'e', 's', 't', '\0',
+  '.', 's', 'y', 'm', 't', 'a', 'b', '\0',
+  '.', 's', 't', 'r', 't', 'a', 'b', '\0',
+  '.', 's', 'h', 's', 't', 'r', 't', 'a', 'b', '\0'
+};
+
+const unsigned int test_file_1_size = sizeof test_file_1;
+
+} // End namespace gold_testsuite.
diff --git a/gold/testsuite/testfile.h b/gold/testsuite/testfile.h
new file mode 100644
index 0000000..c123107
--- /dev/null
+++ b/gold/testsuite/testfile.h
@@ -0,0 +1,20 @@
+// testfile.h -- test input files   -*- C++ -*-
+
+#ifndef GOLD_TESTSUITE_TESTFILE_H
+#define GOLD_TESTSUITE_TESTFILE_H
+
+namespace gold
+{
+class Target;
+}
+
+namespace gold_testsuite
+{
+
+extern gold::Target* target_test_pointer;
+extern const unsigned char test_file_1[];
+extern const unsigned int test_file_1_size;
+
+}; // End namespace gold_testsuite.
+
+#endif // !defined(GOLD_TESTSUITE_TESTFILE_H)
diff --git a/gold/testsuite/testmain.cc b/gold/testsuite/testmain.cc
new file mode 100644
index 0000000..eb46b72
--- /dev/null
+++ b/gold/testsuite/testmain.cc
@@ -0,0 +1,18 @@
+// testmain.cc -- main function for simplisitic gold test framework.
+
+#include "gold.h"
+
+#include "test.h"
+
+using namespace gold_testsuite;
+
+int
+main(int, char** argv)
+{
+  gold::program_name = argv[0];
+
+  Test_framework tf;
+  Register_test::run_tests(&tf);
+
+  exit(tf.failures());
+}