gdb/unittests/memory-map-selftests.c

   1 /* Self tests for memory-map for GDB, the GNU debugger.
   2
   3    Copyright (C) 2017-2024 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "gdbsupport/selftest.h"
  21 #include "memory-map.h"
  22
  23 #if defined(HAVE_LIBEXPAT)
  24
  25 namespace selftests {
  26 namespace memory_map_tests {
  27
  28 /* A simple valid test input for parse_memory_map.  */
  29
  30 static const char valid_mem_map[] = R"(<?xml version="1.0"?>
  31 <!DOCTYPE memory-map
  32           PUBLIC "+//IDN gnu.org//DTD GDB Memory Map V1.0//EN"
  33                  "http://sourceware.org/gdb/gdb-memory-map.dtd">
  34 <memory-map>
  35   <memory type="ram" start="0" length="4096" />
  36   <memory type="rom" start="65536" length="256" />
  37   <memory type="flash" start="131072" length="65536">
  38     <property name="blocksize">1024</property>
  39   </memory>
  40 </memory-map>
  41 )";
  42
  43 /* Validate memory region R against some expected values (the other
  44    parameters).  */
  45
  46 static void
  47 check_mem_region (const mem_region &r, CORE_ADDR lo, CORE_ADDR hi,
  48                   mem_access_mode mode, int blocksize)
  49 {
  50   SELF_CHECK (r.lo == lo);
  51   SELF_CHECK (r.hi == hi);
  52   SELF_CHECK (r.enabled_p);
  53
  54   SELF_CHECK (r.attrib.mode == mode);
  55   SELF_CHECK (r.attrib.blocksize == blocksize);
  56
  57 }
  58
  59 /* Test the parse_memory_map function.  */
  60
  61 static void
  62 parse_memory_map_tests ()
  63 {
  64   std::vector<mem_region> regions = parse_memory_map (valid_mem_map);
  65
  66   SELF_CHECK (regions.size () == 3);
  67
  68   check_mem_region (regions[0], 0, 0 + 4096, MEM_RW, -1);
  69   check_mem_region (regions[1], 65536, 65536 + 256, MEM_RO, -1);
  70   check_mem_region (regions[2], 131072, 131072 + 65536, MEM_FLASH, 1024);
  71 }
  72
  73 } /* namespace memory_map_tests */
  74 } /* namespace selftests */
  75
  76 #endif /* HAVE_LIBEXPAT */
  77
  78 void _initialize_memory_map_selftests ();
  79 void
  80 _initialize_memory_map_selftests ()
  81 {
  82 #if defined(HAVE_LIBEXPAT)
  83   selftests::register_test
  84     ("parse_memory_map",
  85      selftests::memory_map_tests::parse_memory_map_tests);
  86 #endif
  87 }