# Copyright 2008-2016 Free Software Foundation, Inc. # 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, see . # This tests the find command. standard_testfile .c if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { untested find.exp return -1 } clean_restart ${binfile} gdb_test "break $srcfile:stop_here" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint function in file" gdb_run_cmd gdb_test "" "Breakpoint \[0-9\]+,.*stop_here.* at .*$srcfile:.*" "run until function breakpoint" # We've now got the target program in a state where we can test "find". set hex_number {0x[0-9a-fA-F][0-9a-fA-F]*} set history_prefix {[$][0-9]* = } set newline "\[\r\n\]*" set pattern_not_found "${newline}Pattern not found\[.\]" set one_pattern_found "${newline}1 pattern found\[.\]" set two_patterns_found "${newline}2 patterns found\[.\]" # Test string pattern. gdb_test_no_output "set *(int32_t*) &int8_search_buf\[10\] = 0x61616161" "" gdb_test "find &int8_search_buf\[0\], +sizeof(int8_search_buf), 'a', 'a', 'a'" \ "${hex_number}.*${newline}${hex_number}.*${two_patterns_found}" \ "find string pattern" # Test not finding pattern because search range too small, with # potential find at the edge of the range. gdb_test "find &int8_search_buf\[0\], +10+3, \"aaaa\"" \ "${pattern_not_found}" \ "pattern not found at end of range" # Increase the search range by 1 and we should find the pattern. gdb_test "find &int8_search_buf\[0\], +10+3+1, 'a', 'a', 'a', 'a'" \ "${hex_number}.*${one_pattern_found}" \ "pattern found at end of range" # Test max-count, $_ and $numfound. gdb_test "find /1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 'a', 'a', 'a'" \ "${hex_number}.*${one_pattern_found}" \ "max-count" gdb_test "print \$_" \ "${history_prefix}.*${hex_number} " \ "\$_" gdb_test "print \$numfound" \ "${history_prefix}1" \ "\$numfound" # Test max-count with size-char. # They can be specified in either order. gdb_test "find /1b &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \ "${hex_number}.*${one_pattern_found}" \ "size,max-count, /1b" gdb_test "find /b1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \ "${hex_number}.*${one_pattern_found}" \ "size,max-count, /b1" gdb_test "find /b /1 &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \ "${hex_number}.*${one_pattern_found}" \ "size,max-count, /b/1" gdb_test "find /1 /b &int8_search_buf\[0\], +sizeof(int8_search_buf), 0x61, 0x61, 0x61" \ "${hex_number}.*${one_pattern_found}" \ "size,max-count, /1/b" # Test specifying end address. gdb_test "find /b &int8_search_buf\[0\], &int8_search_buf\[0\]+sizeof(int8_search_buf), 0x61, 0x61, 0x61, 0x61" \ "${hex_number}.*${one_pattern_found}" \ "find byte pattern with end address" # Test 16-bit pattern. gdb_test_no_output "set int16_search_buf\[10\] = 0x1234" "" gdb_test "find /h &int16_search_buf\[0\], +sizeof(int16_search_buf), 0x1234" \ "${hex_number}.*${one_pattern_found}" \ "find 16-bit pattern" gdb_test "find &int16_search_buf\[0\], +sizeof(int16_search_buf), (int16_t) 0x1234" \ "${hex_number}.*${one_pattern_found}" \ "find 16-bit pattern" # Test 32-bit pattern. gdb_test_no_output "set int32_search_buf\[10\] = 0x12345678" "" gdb_test "find &int32_search_buf\[0\], +sizeof(int32_search_buf), (int32_t) 0x12345678" \ "${hex_number}.*${one_pattern_found}" \ "find 32-bit pattern" gdb_test "find /w &int32_search_buf\[0\], +sizeof(int32_search_buf), 0x12345678" \ "${hex_number}.*${one_pattern_found}" \ "find 32-bit pattern" # Test 64-bit pattern. gdb_test_no_output "set int64_search_buf\[10\] = 0xfedcba9876543210LL" "" gdb_test "find &int64_search_buf\[0\], +sizeof(int64_search_buf), (int64_t) 0xfedcba9876543210LL" \ "${hex_number}.*${one_pattern_found}" \ "find 64-bit pattern" gdb_test "find /g &int64_search_buf\[0\], +sizeof(int64_search_buf), 0xfedcba9876543210LL" \ "${hex_number}.*${one_pattern_found}" \ "find 64-bit pattern" # Test mixed-sized patterns. gdb_test_no_output "set *(int8_t*) &search_buf\[10\] = 0x62" "" gdb_test_no_output "set *(int16_t*) &search_buf\[11\] = 0x6363" "" gdb_test_no_output "set *(int32_t*) &search_buf\[13\] = 0x64646464" "" gdb_test "find &search_buf\[0\], +100, (int8_t) 0x62, (int16_t) 0x6363, (int32_t) 0x64646464" \ "${hex_number}${one_pattern_found}" \ "find mixed-sized pattern" # Test search spanning a large range, in the particular case of native # targets, test the search spanning multiple chunks. # Remote targets may implement the search differently. set CHUNK_SIZE 16000 ;# see findcmd.c gdb_test_no_output "set *(int32_t*) &search_buf\[0*${CHUNK_SIZE}+100\] = 0x12345678" "" gdb_test_no_output "set *(int32_t*) &search_buf\[1*${CHUNK_SIZE}+100\] = 0x12345678" "" gdb_test "find /w search_buf, +search_buf_size, 0x12345678" \ "${hex_number}${newline}${hex_number}${two_patterns_found}" \ "search spanning large range" # For native targets, test a pattern straddling a chunk boundary. if [isnative] { gdb_test_no_output "set *(int32_t*) &search_buf\[${CHUNK_SIZE}-1\] = 0xfdb97531" "" gdb_test "find /w search_buf, +search_buf_size, 0xfdb97531" \ "${hex_number}${one_pattern_found}" \ "find pattern straddling chunk boundary" } # Check GDB buffer overflow. gdb_test "find int64_search_buf, +64/8*100, int64_search_buf" " \r\n1 pattern found\\."