gdb/testsuite/gdb.base/find.exp

   1 # Copyright 2008-2014 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This tests the find command.
  17
  18 standard_testfile .c
  19
  20 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  21     untested find.exp
  22     return -1
  23 }
  24
  25 clean_restart ${binfile}
  26
  27 gdb_test "break $srcfile:stop_here" \
  28     "Breakpoint.*at.* file .*$srcfile, line.*" \
  29     "breakpoint function in file"
  30
  31 gdb_run_cmd
  32 gdb_expect {
  33     -re "Breakpoint \[0-9\]+,.*stop_here.* at .*$srcfile:.*$gdb_prompt $" {
  34         pass "run until function breakpoint"
  35     }
  36     -re "$gdb_prompt $" {
  37         fail "run until function breakpoint"
  38     }
  39     timeout {
  40         fail "run until function breakpoint (timeout)"
  41     }
  42 }
  43
  44 # We've now got the target program in a state where we can test "find".
  45
  46 set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*}
  47 set history_prefix {[$][0-9]* = }
  48 set newline "\[\r\n\]*"
  49 set pattern_not_found "${newline}Pattern not found\[.\]"
  50 set one_pattern_found "${newline}1 pattern found\[.\]"
  51 set two_patterns_found "${newline}2 patterns found\[.\]"
  52
  53 # Test string pattern.
  54
  55 gdb_test_no_output "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" ""
  56
  57 gdb_test "find &int8_search_buf\[0\], +sizeof(int8_search_buf), 'a', 'a', 'a'" \
  58     "${hex_number}.*<int8_search_buf\\+10>${newline}${hex_number}.*<int8_search_buf\\+11>${two_patterns_found}" \
  59     "find string pattern"
  60
  61 # Test not finding pattern because search range too small, with
  62 # potential find at the edge of the range.
  63
  64 gdb_test "find &int8_search_buf\[0\], +10+3, \"aaaa\"" \
  65     "${pattern_not_found}" \
  66     "pattern not found at end of range"
  67
  68 # Increase the search range by 1 and we should find the pattern.
  69
  70 gdb_test "find &int8_search_buf\[0\], +10+3+1, 'a', 'a', 'a', 'a'" \
  71     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
  72     "pattern found at end of range"
  73
  74 # Test max-count, $_ and $numfound.
  75
  76 gdb_test "find /1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 'a', 'a', 'a'" \
  77     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
  78     "max-count"
  79
  80 gdb_test "print \$_" \
  81     "${history_prefix}.*${hex_number} <int8_search_buf\\+10>" \
  82     "\$_"
  83
  84 gdb_test "print \$numfound" \
  85     "${history_prefix}1" \
  86     "\$numfound"
  87
  88 # Test max-count with size-char.
  89 # They can be specified in either order.
  90
  91 gdb_test "find /1b &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
  92     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
  93     "size,max-count, /1b"
  94
  95 gdb_test "find /b1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
  96     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
  97     "size,max-count, /b1"
  98
  99 gdb_test "find /b /1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
 100     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 101     "size,max-count, /b/1"
 102
 103 gdb_test "find /1 /b &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
 104     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 105     "size,max-count, /1/b"
 106
 107 # Test specifying end address.
 108
 109 gdb_test "find /b &int8_search_buf\[0\], &int8_search_buf\[0\]+sizeof(int8_search_buf), 0x61, 0x61, 0x61, 0x61" \
 110     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 111     "find byte pattern with end address"
 112
 113 # Test 16-bit pattern.
 114
 115 gdb_test_no_output "set int16_search_buf\[10\] = 0x1234" ""
 116
 117 gdb_test "find /h &int16_search_buf\[0\], +sizeof(int16_search_buf), 0x1234" \
 118     "${hex_number}.*<int16_search_buf\\+20>${one_pattern_found}" \
 119     "find 16-bit pattern"
 120
 121 gdb_test "find &int16_search_buf\[0\], +sizeof(int16_search_buf), (int16_t) 0x1234" \
 122     "${hex_number}.*<int16_search_buf\\+20>${one_pattern_found}" \
 123     "find 16-bit pattern"
 124
 125 # Test 32-bit pattern.
 126
 127 gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678" ""
 128
 129 gdb_test "find &int32_search_buf\[0\], +sizeof(int32_search_buf), (int32_t) 0x12345678" \
 130     "${hex_number}.*<int32_search_buf\\+40>${one_pattern_found}" \
 131     "find 32-bit pattern"
 132
 133 gdb_test "find /w &int32_search_buf\[0\], +sizeof(int32_search_buf), 0x12345678" \
 134     "${hex_number}.*<int32_search_buf\\+40>${one_pattern_found}" \
 135     "find 32-bit pattern"
 136
 137 # Test 64-bit pattern.
 138
 139 gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL" ""
 140
 141 gdb_test "find &int64_search_buf\[0\], +sizeof(int64_search_buf), (int64_t) 0xfedcba9876543210LL" \
 142     "${hex_number}.*<int64_search_buf\\+80>${one_pattern_found}" \
 143     "find 64-bit pattern"
 144
 145 gdb_test "find /g &int64_search_buf\[0\], +sizeof(int64_search_buf), 0xfedcba9876543210LL" \
 146     "${hex_number}.*<int64_search_buf\\+80>${one_pattern_found}" \
 147     "find 64-bit pattern"
 148
 149 # Test mixed-sized patterns.
 150
 151 gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62" ""
 152 gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363" ""
 153 gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464" ""
 154
 155 gdb_test "find &search_buf\[0\], +100, (int8_t) 0x62, (int16_t) 0x6363, (int32_t) 0x64646464" \
 156     "${hex_number}${one_pattern_found}" \
 157     "find mixed-sized pattern"
 158
 159 # Test search spanning a large range, in the particular case of native
 160 # targets, test the search spanning multiple chunks.
 161 # Remote targets may implement the search differently.
 162
 163 set CHUNK_SIZE 16000 ;# see findcmd.c
 164
 165 gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" ""
 166 gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" ""
 167
 168 gdb_test "find /w search_buf, +search_buf_size, 0x12345678" \
 169     "${hex_number}${newline}${hex_number}${two_patterns_found}" \
 170     "search spanning large range"
 171
 172 # For native targets, test a pattern straddling a chunk boundary.
 173
 174 if [isnative] {
 175     gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" ""
 176     gdb_test "find /w search_buf, +search_buf_size, 0xfdb97531" \
 177     "${hex_number}${one_pattern_found}" \
 178     "find pattern straddling chunk boundary"
 179 }
 180
 181 # Check GDB buffer overflow.
 182 gdb_test "find int64_search_buf, +64/8*100, int64_search_buf" " <int64_search_buf>\r\n1 pattern found\\."