gdb/testsuite/gdb.base/find.exp

   1 # Copyright 2008, 2009 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 if $tracelevel then {
  19     strace $tracelevel
  20 }
  21
  22 set testfile "find"
  23 set srcfile ${testfile}.c
  24 set binfile ${objdir}/${subdir}/${testfile}
  25
  26 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  27     untested find.exp
  28     return -1
  29 }
  30
  31 gdb_exit
  32 gdb_start
  33 gdb_reinitialize_dir $srcdir/$subdir
  34 gdb_load ${binfile}
  35
  36 gdb_test "break $srcfile:stop_here" \
  37     "Breakpoint.*at.* file .*$srcfile, line.*" \
  38     "breakpoint function in file"
  39
  40 gdb_run_cmd
  41 gdb_expect {
  42     -re "Breakpoint \[0-9\]+,.*stop_here.* at .*$srcfile:.*$gdb_prompt $" {
  43         pass "run until function breakpoint"
  44     }
  45     -re "$gdb_prompt $" {
  46         fail "run until function breakpoint"
  47     }
  48     timeout {
  49         fail "run until function breakpoint (timeout)"
  50     }
  51 }
  52
  53 # We've now got the target program in a state where we can test "find".
  54
  55 set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*}
  56 set history_prefix {[$][0-9]* = }
  57 set newline "\[\r\n\]*"
  58 set pattern_not_found "${newline}Pattern not found\[.\]"
  59 set one_pattern_found "${newline}1 pattern found\[.\]"
  60 set two_patterns_found "${newline}2 patterns found\[.\]"
  61
  62 # Test string pattern.
  63
  64 gdb_test "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" "" ""
  65
  66 gdb_test "find &int8_search_buf\[0\], +sizeof(int8_search_buf), 'a', 'a', 'a'" \
  67     "${hex_number}.*<int8_search_buf\\+10>${newline}${hex_number}.*<int8_search_buf\\+11>${two_patterns_found}" \
  68     "find string pattern"
  69
  70 # Test not finding pattern because search range too small, with
  71 # potential find at the edge of the range.
  72
  73 gdb_test "find &int8_search_buf\[0\], +10+3, \"aaaa\"" \
  74     "${pattern_not_found}" \
  75     "pattern not found at end of range"
  76
  77 # Increase the search range by 1 and we should find the pattern.
  78
  79 gdb_test "find &int8_search_buf\[0\], +10+3+1, 'a', 'a', 'a', 'a'" \
  80     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
  81     "pattern found at end of range"
  82
  83 # Test max-count, $_ and $numfound.
  84
  85 gdb_test "find /1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 'a', 'a', 'a'" \
  86     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
  87     "max-count"
  88
  89 gdb_test "print \$_" \
  90     "${history_prefix}.*${hex_number}" \
  91     "\$_"
  92
  93 gdb_test "print \$numfound" \
  94     "${history_prefix}1" \
  95     "\$numfound"
  96
  97 # Test max-count with size-char.
  98 # They can be specified in either order.
  99
 100 gdb_test "find /1b &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
 101     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 102     "size,max-count, /1b"
 103
 104 gdb_test "find /b1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
 105     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 106     "size,max-count, /b1"
 107
 108 gdb_test "find /b /1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
 109     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 110     "size,max-count, /b/1"
 111
 112 gdb_test "find /1 /b &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \
 113     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 114     "size,max-count, /1/b"
 115
 116 # Test specifying end address.
 117
 118 gdb_test "find /b &int8_search_buf\[0\], &int8_search_buf\[0\]+sizeof(int8_search_buf), 0x61, 0x61, 0x61, 0x61" \
 119     "${hex_number}.*<int8_search_buf\\+10>${one_pattern_found}" \
 120     "find byte pattern with end address"
 121
 122 # Test 16-bit pattern.
 123
 124 gdb_test "set int16_search_buf\[10\] = 0x1234" "" ""
 125
 126 gdb_test "find /h &int16_search_buf\[0\], +sizeof(int16_search_buf), 0x1234" \
 127     "${hex_number}.*<int16_search_buf\\+20>${one_pattern_found}" \
 128     "find 16-bit pattern"
 129
 130 gdb_test "find &int16_search_buf\[0\], +sizeof(int16_search_buf), (int16_t) 0x1234" \
 131     "${hex_number}.*<int16_search_buf\\+20>${one_pattern_found}" \
 132     "find 16-bit pattern"
 133
 134 # Test 32-bit pattern.
 135
 136 gdb_test "set int32_search_buf\[10\] = 0x12345678" "" ""
 137
 138 gdb_test "find &int32_search_buf\[0\], +sizeof(int32_search_buf), (int32_t) 0x12345678" \
 139     "${hex_number}.*<int32_search_buf\\+40>${one_pattern_found}" \
 140     "find 32-bit pattern"
 141
 142 gdb_test "find /w &int32_search_buf\[0\], +sizeof(int32_search_buf), 0x12345678" \
 143     "${hex_number}.*<int32_search_buf\\+40>${one_pattern_found}" \
 144     "find 32-bit pattern"
 145
 146 # Test 64-bit pattern.
 147
 148 gdb_test "set int64_search_buf\[10\] = 0xfedcba9876543210LL" "" ""
 149
 150 gdb_test "find &int64_search_buf\[0\], +sizeof(int64_search_buf), (int64_t) 0xfedcba9876543210LL" \
 151     "${hex_number}.*<int64_search_buf\\+80>${one_pattern_found}" \
 152     "find 64-bit pattern"
 153
 154 gdb_test "find /g &int64_search_buf\[0\], +sizeof(int64_search_buf), 0xfedcba9876543210LL" \
 155     "${hex_number}.*<int64_search_buf\\+80>${one_pattern_found}" \
 156     "find 64-bit pattern"
 157
 158 # Test mixed-sized patterns.
 159
 160 gdb_test "set *(int8_t*) &search_buf\[10\] = 0x62" "" ""
 161 gdb_test "set *(int16_t*) &search_buf\[11\] = 0x6363" "" ""
 162 gdb_test "set *(int32_t*) &search_buf\[13\] = 0x64646464" "" ""
 163
 164 gdb_test "find &search_buf\[0\], +100, (int8_t) 0x62, (int16_t) 0x6363, (int32_t) 0x64646464" \
 165     "${hex_number}${one_pattern_found}" \
 166     "find mixed-sized pattern"
 167
 168 # Test search spanning a large range, in the particular case of native
 169 # targets, test the search spanning multiple chunks.
 170 # Remote targets may implement the search differently.
 171
 172 set CHUNK_SIZE 16000 ;# see findcmd.c
 173
 174 gdb_test "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" "" ""
 175 gdb_test "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" "" ""
 176
 177 gdb_test "find /w search_buf, +search_buf_size, 0x12345678" \
 178     "${hex_number}${newline}${hex_number}${two_patterns_found}" \
 179     "search spanning large range"
 180
 181 # For native targets, test a pattern straddling a chunk boundary.
 182
 183 if [isnative] {
 184     gdb_test "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" "" ""
 185     gdb_test "find /w search_buf, +search_buf_size, 0xfdb97531" \
 186     "${hex_number}${one_pattern_found}" \
 187     "find pattern straddling chunk boundary"
 188 }