Merge commit 'upstream/2.20'

[msp430-binutils.git] / gold / testsuite / script_test_2.cc

diff --git a/gold/testsuite/script_test_2.cc b/gold/testsuite/script_test_2.cc
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+// script_test_2.cc -- linker script test 2 for gold  -*- C++ -*-
+
+// Copyright 2008 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@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.
+
+// A test of some uses of the SECTIONS clause.  Look at
+// script_test_2.t to make sense of this test.
+
+#include <cassert>
+#include <cstddef>
+#include <cstring>
+#include <stdint.h>
+
+extern char start_test_area[];
+extern char start_test_area_1[];
+extern char start_data[];
+extern char end_data[];
+extern char start_fill[];
+extern char end_fill[];
+extern char end_test_area[];
+extern char test_addr[];
+extern char test_addr_alias[];
+
+int
+main(int, char**)
+{
+  assert(reinterpret_cast<uintptr_t>(start_test_area) == 0x20000001);
+  assert(reinterpret_cast<uintptr_t>(start_test_area_1) == 0x20000010);
+
+  // We should see the string from script_test_2b.o next.  The
+  // subalign should move it up to 0x20000020.
+  for (int i = 0; i < 16; ++i)
+    assert(start_test_area_1[i] == 0);
+  assert(strcmp(start_test_area_1 + 16, "test bb") == 0);
+
+  // Next the string from script_test_2a.o, after the subalign.
+  for (int i = 16 + 7; i < 48; ++i)
+    assert(start_test_area_1[i] == 0);
+  assert(strcmp(start_test_area_1 + 48, "test aa") == 0);
+
+  // Move four bytes forward to start_data.
+  assert(reinterpret_cast<uintptr_t>(start_test_area_1 + 48 + 8 + 4)
+        == reinterpret_cast<uintptr_t>(start_data));
+  assert(memcmp(start_data, "\1\2\0\4\0\0\0\010\0\0\0\0\0\0\0", 15) == 0
+        || memcmp(start_data, "\1\0\2\0\0\0\4\0\0\0\0\0\0\0\010", 15) == 0);
+  assert(end_data == start_data + 15);
+
+  // Check that FILL works as expected.
+  assert(start_fill == end_data);
+  assert(memcmp(start_fill, "\x12\x34\x56\x78\x12\x34\x56\0", 8) == 0);
+  assert(end_fill == start_fill + 8);
+
+  assert(end_test_area == end_fill);
+
+  assert(test_addr == start_test_area_1);
+  assert(test_addr_alias == test_addr);
+}