gdb/testsuite/gdb.mi/mi-disassemble.exp

   1 # Copyright 1999-2018 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 #
  17 # Test Machine interface (MI) operations for disassembly.
  18 #
  19 # The goal is not to test gdb functionality, which is done by other tests,
  20 # but to verify the correct output response to MI operations.
  21 #
  22
  23 load_lib mi-support.exp
  24 set MIFLAGS "-i=mi"
  25
  26 gdb_exit
  27 if [mi_gdb_start] {
  28     continue
  29 }
  30
  31 standard_testfile basics.c
  32
  33 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  34      untested "failed to compile"
  35      return -1
  36 }
  37
  38 proc test_disassembly_only {} {
  39     global mi_gdb_prompt
  40     global hex
  41     global decimal
  42
  43     set line_main_head [gdb_get_line_number "main ("]
  44     set line_main_body [expr $line_main_head + 2]
  45
  46     # Test disassembly more only for the current function.
  47     # Tests:
  48     # -data-disassemble -s $pc -e "$pc+8" -- 0
  49     # -data-disassembly -f basics.c -l $line_main_body -- 0
  50
  51     mi_gdb_test "print/x \$pc" "" ""
  52     mi_gdb_test "111-data-disassemble -s \$pc -e \"\$pc + 12\" -- 0" \
  53             "111\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}.*\]" \
  54              "data-disassemble from pc to pc+12 assembly only"
  55
  56     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -- 0" \
  57             "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
  58               "data-disassemble file & line, assembly only"
  59 }
  60
  61 proc test_disassembly_with_opcodes {} {
  62     global mi_gdb_prompt
  63     global hex
  64     global decimal
  65
  66     set line_main_head [gdb_get_line_number "main ("]
  67     set line_main_body [expr $line_main_head + 2]
  68
  69     # Test disassembly with opcodes for the current function.
  70     # Tests:
  71     # -data-disassemble -s $pc -e "$pc+8" -- 2
  72     # -data-disassembly -f basics.c -l $line_main_body -- 2
  73
  74     mi_gdb_test "print/x \$pc" "" ""
  75     mi_gdb_test "111-data-disassemble -s \$pc -e \"\$pc + 12\" -- 2" \
  76            "111\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}.*\]" \
  77              "data-disassemble from pc to pc+12 assembly with opcodes"
  78
  79     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -- 2" \
  80            "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",opcodes=\".*\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}\\\]" \
  81               "data-disassemble file & line, assembly with opcodes"
  82 }
  83
  84 proc test_disassembly_lines_limit {} {
  85     global mi_gdb_prompt
  86     global hex
  87     global decimal
  88
  89     set line_main_head [gdb_get_line_number "main ("]
  90     set line_main_body [expr $line_main_head + 2]
  91
  92     # Test disassembly more only for the current function.
  93     # Tests:
  94     # -data-disassembly -f basics.c -l $line_main_body -n 20 -- 0
  95     # -data-disassembly -f basics.c -l $line_main_body -n 0 -- 0
  96     # -data-disassembly -f basics.c -l $line_main_body -n 50 -- 0
  97
  98     mi_gdb_test "print/x \$pc" "" ""
  99     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 20 -- 0" \
 100             "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
 101               "data-disassemble file, line, number assembly only"
 102
 103     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 0 -- 0" \
 104             "222\\^done,asm_insns=\\\[\\\]" \
 105               "data-disassemble file, line, number (zero lines) assembly only"
 106
 107     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 50 -- 0" \
 108             "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
 109               "data-disassemble file, line, number (more than main lines) assembly only"
 110 }
 111
 112
 113 proc test_disassembly_mixed {} {
 114     global mi_gdb_prompt
 115     global hex
 116     global decimal
 117     global fullname_syntax
 118
 119     set line_callee2_head       [gdb_get_line_number "callee2 ("]
 120     set line_callee2_open_brace [expr $line_callee2_head + 1]
 121
 122     # Test disassembly more only for the current function.
 123     # Tests:
 124     # -data-disassembly -f basics.c -l $line_callee2_open_brace -- 1
 125     # -data-disassembly -s $pc -e "$pc+8" -- 1
 126
 127     mi_gdb_test "002-data-disassemble -f basics.c -l $line_callee2_open_brace -- 1" \
 128             "002\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$line_callee2_open_brace\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\{address=\"$hex\",func-name=\"callee2\",offset=\"0\",inst=\".*\"\}.*\\\]\}.*,src_and_asm_line=\{line=\"$decimal\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[.*\{address=\"$hex\",func-name=\"callee2\",offset=\"$decimal\",inst=\".*\"\}\\\]\}\\\]" \
 129              "data-disassemble file, line assembly mixed"
 130
 131     #
 132     # In mixed mode, the lowest level of granularity is the source line.
 133     # So we are going to get the disassembly for the source line at
 134     # which we are now, even if we have specified that the range is only 2 insns.
 135     #
 136     mi_gdb_test "003-data-disassemble -s \$pc -e \"\$pc+4\" -- 1" \
 137             "003\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$decimal\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}.*\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]\}\\\]" \
 138              "data-disassemble range assembly mixed"
 139 }
 140
 141 proc test_disassembly_mixed_with_opcodes {} {
 142     global mi_gdb_prompt
 143     global hex
 144     global decimal
 145     global fullname_syntax
 146
 147     set line_callee2_head       [gdb_get_line_number "callee2 ("]
 148     set line_callee2_open_brace [expr $line_callee2_head + 1]
 149
 150     # Test disassembly mixed with opcodes for the current function.
 151     # Tests:
 152     # -data-disassembly -f basics.c -l $line_callee2_open_brace -- 3
 153     # -data-disassembly -s $pc -e "$pc+8" -- 3
 154
 155     mi_gdb_test "002-data-disassemble -f basics.c -l $line_callee2_open_brace -- 3" \
 156            "002\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$line_callee2_open_brace\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\{address=\"$hex\",func-name=\"callee2\",offset=\"0\",opcodes=\".*\",inst=\".*\"\}.*\\\]\}.*,src_and_asm_line=\{line=\"$decimal\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[.*\{address=\"$hex\",func-name=\"callee2\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}\\\]\}\\\]" \
 157              "data-disassemble file, line assembly mixed with opcodes"
 158
 159     #
 160     # In mixed mode, the lowest level of granularity is the source line.
 161     # So we are going to get the disassembly for the source line at
 162     # which we are now, even if we have specified that the range is only 2 insns.
 163     #
 164     mi_gdb_test "003-data-disassemble -s \$pc -e \"\$pc+4\" -- 3" \
 165            "003\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$decimal\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}.*\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}\\\]\}\\\]" \
 166              "data-disassemble range assembly mixed with opcodes"
 167 }
 168
 169 proc test_disassembly_mixed_lines_limit {} {
 170     global mi_gdb_prompt
 171     global hex
 172     global decimal
 173     global fullname_syntax
 174
 175     set line_main_head       [gdb_get_line_number "main ("]
 176     set line_main_open_brace [expr $line_main_head + 1]
 177     set line_main_body       [expr $line_main_head + 2]
 178
 179     # Test disassembly more only for the current function.
 180     # Tests:
 181     # -data-disassembly -f basics.c -l $line_main_body -n 20 -- 1
 182     # -data-disassembly -f basics.c -l $line_main_body -n 0 -- 1
 183     # -data-disassembly -f basics.c -l $line_main_body -n 50 -- 1
 184
 185     mi_gdb_test "print/x \$pc" "" ""
 186     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 20 -- 1" \
 187             "222\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$decimal\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]\}\]" \
 188               "data-disassemble file, line, number assembly mixed"
 189
 190     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 0 -- 1" \
 191             "222\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$line_main_open_brace\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\\\]\}\\\]" \
 192               "data-disassemble file, line, number (zero lines) assembly mixed"
 193
 194     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 50 -- 1" \
 195             "222\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$decimal\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\}.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]\}\]" \
 196               "data-disassemble file, line, number (more than main lines) assembly mixed"
 197 }
 198
 199 proc test_disassembly_bogus_args {} {
 200     global mi_gdb_prompt
 201     global hex
 202
 203     set line_main_head [gdb_get_line_number "main ("]
 204     set line_main_body [expr $line_main_head + 2]
 205
 206     # Test that bogus input to disassembly command is rejected.
 207     # Tests:
 208     # -data-disassembly -f foo -l abc -n 0 -- 0
 209     # -data-disassembly -s foo -e bar -- 0
 210     # -data-disassembly -s $pc -f basics.c -- 0
 211     # -data-disassembly -f basics.c -l 32 -- 9
 212
 213     mi_gdb_test "123-data-disassemble -f foo -l abc -n 0 -- 0" \
 214              "123\\^error,msg=\"-data-disassemble: Invalid filename.\"" \
 215              "data-disassemble bogus filename"
 216
 217     mi_gdb_test "321-data-disassemble -s foo -e bar -- 0" \
 218              "321\\^error,msg=\"No symbol \\\\\"foo\\\\\" in current context.\"" \
 219              "data-disassemble bogus address"
 220
 221     mi_gdb_test "456-data-disassemble -s \$pc -f basics.c -- 0" \
 222              "456\\^error,msg=\"-data-disassemble: Usage: \\( .-f filename -l linenum .-n howmany.. \\| .-s startaddr -e endaddr.\\) .--. mode.\"" \
 223              "data-disassemble mix different args"
 224
 225     mi_gdb_test "789-data-disassemble -f basics.c -l $line_main_body -- 9" \
 226              "789\\^error,msg=\"-data-disassemble: Mode argument must be in the range 0-5.\"" \
 227              "data-disassemble wrong mode arg"
 228
 229 }
 230
 231 mi_run_to_main
 232 test_disassembly_only
 233 test_disassembly_with_opcodes
 234 test_disassembly_mixed
 235 test_disassembly_mixed_with_opcodes
 236 test_disassembly_bogus_args
 237 test_disassembly_lines_limit
 238 test_disassembly_mixed_lines_limit
 239
 240 mi_gdb_exit
 241 return 0