Subversion Repositories open8_urisc

// 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);

}