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

   1 # Copyright 1999-2020 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-disassemble -a $pc -- 0
  50     # -data-disassemble -a callee4 -- 0
  51     # -data-disassembly -f basics.c -l $line_main_body -- 0
  52
  53
  54     mi_gdb_test "print/x \$pc" "" ""
  55     mi_gdb_test "111-data-disassemble -s \$pc -e \"\$pc + 12\" -- 0" \
  56             "111\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}.*\]" \
  57              "data-disassemble from pc to pc+12 assembly only"
  58
  59     mi_gdb_test "112-data-disassemble -a \$pc -- 0" \
  60             "112\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}.*\]" \
  61              "data-disassemble function around pc assembly only"
  62
  63     mi_gdb_test "113-data-disassemble -a callee4 -- 0" \
  64             "113\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"callee4\",offset=\"$decimal\",inst=\".*\"\},\{address=\"$hex\",func-name=\"callee4\",offset=\"$decimal\",inst=\".*\"\}.*\]" \
  65              "data-disassemble function callee4 assembly only"
  66
  67     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -- 0" \
  68             "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
  69               "data-disassemble file & line, assembly only"
  70 }
  71
  72 proc test_disassembly_with_opcodes {} {
  73     global mi_gdb_prompt
  74     global hex
  75     global decimal
  76
  77     set line_main_head [gdb_get_line_number "main ("]
  78     set line_main_body [expr $line_main_head + 2]
  79
  80     # Test disassembly with opcodes for the current function.
  81     # Tests:
  82     # -data-disassemble -s $pc -e "$pc+8" -- 2
  83     # -data-disassembly -f basics.c -l $line_main_body -- 2
  84
  85     mi_gdb_test "print/x \$pc" "" ""
  86     mi_gdb_test "111-data-disassemble -s \$pc -e \"\$pc + 12\" -- 2" \
  87            "111\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}.*\]" \
  88              "data-disassemble from pc to pc+12 assembly with opcodes"
  89
  90     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -- 2" \
  91            "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",opcodes=\".*\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}\\\]" \
  92               "data-disassemble file & line, assembly with opcodes"
  93 }
  94
  95 proc test_disassembly_lines_limit {} {
  96     global mi_gdb_prompt
  97     global hex
  98     global decimal
  99
 100     set line_main_head [gdb_get_line_number "main ("]
 101     set line_main_body [expr $line_main_head + 2]
 102
 103     # Test disassembly more only for the current function.
 104     # Tests:
 105     # -data-disassembly -f basics.c -l $line_main_body -n 20 -- 0
 106     # -data-disassembly -f basics.c -l $line_main_body -n 0 -- 0
 107     # -data-disassembly -f basics.c -l $line_main_body -n 50 -- 0
 108
 109     mi_gdb_test "print/x \$pc" "" ""
 110     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 20 -- 0" \
 111             "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
 112               "data-disassemble file, line, number assembly only"
 113
 114     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 0 -- 0" \
 115             "222\\^done,asm_insns=\\\[\\\]" \
 116               "data-disassemble file, line, number (zero lines) assembly only"
 117
 118     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 50 -- 0" \
 119             "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
 120               "data-disassemble file, line, number (more than main lines) assembly only"
 121 }
 122
 123
 124 proc test_disassembly_mixed {} {
 125     global mi_gdb_prompt
 126     global hex
 127     global decimal
 128     global fullname_syntax
 129
 130     set line_callee2_head       [gdb_get_line_number "callee2 ("]
 131     set line_callee2_open_brace [expr $line_callee2_head + 1]
 132
 133     # Test disassembly more only for the current function.
 134     # Tests:
 135     # -data-disassembly -f basics.c -l $line_callee2_open_brace -- 1
 136     # -data-disassembly -s $pc -e "$pc+8" -- 1
 137
 138     mi_gdb_test "002-data-disassemble -f basics.c -l $line_callee2_open_brace -- 1" \
 139             "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=\".*\"\}\\\]\}\\\]" \
 140              "data-disassemble file, line assembly mixed"
 141
 142     #
 143     # In mixed mode, the lowest level of granularity is the source line.
 144     # So we are going to get the disassembly for the source line at
 145     # which we are now, even if we have specified that the range is only 2 insns.
 146     #
 147     mi_gdb_test "003-data-disassemble -s \$pc -e \"\$pc+4\" -- 1" \
 148             "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=\".*\"\}\\\]\}\\\]" \
 149              "data-disassemble range assembly mixed"
 150 }
 151
 152 proc test_disassembly_mixed_with_opcodes {} {
 153     global mi_gdb_prompt
 154     global hex
 155     global decimal
 156     global fullname_syntax
 157
 158     set line_callee2_head       [gdb_get_line_number "callee2 ("]
 159     set line_callee2_open_brace [expr $line_callee2_head + 1]
 160
 161     # Test disassembly mixed with opcodes for the current function.
 162     # Tests:
 163     # -data-disassembly -f basics.c -l $line_callee2_open_brace -- 3
 164     # -data-disassembly -s $pc -e "$pc+8" -- 3
 165
 166     mi_gdb_test "002-data-disassemble -f basics.c -l $line_callee2_open_brace -- 3" \
 167            "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=\".*\"\}\\\]\}\\\]" \
 168              "data-disassemble file, line assembly mixed with opcodes"
 169
 170     #
 171     # In mixed mode, the lowest level of granularity is the source line.
 172     # So we are going to get the disassembly for the source line at
 173     # which we are now, even if we have specified that the range is only 2 insns.
 174     #
 175     mi_gdb_test "003-data-disassemble -s \$pc -e \"\$pc+4\" -- 3" \
 176            "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=\".*\"\}\\\]\}\\\]" \
 177              "data-disassemble range assembly mixed with opcodes"
 178 }
 179
 180 proc test_disassembly_mixed_lines_limit {} {
 181     global mi_gdb_prompt
 182     global hex
 183     global decimal
 184     global fullname_syntax
 185
 186     set line_main_head       [gdb_get_line_number "main ("]
 187     set line_main_open_brace [expr $line_main_head + 1]
 188     set line_main_body       [expr $line_main_head + 2]
 189
 190     # Test disassembly more only for the current function.
 191     # Tests:
 192     # -data-disassembly -f basics.c -l $line_main_body -n 20 -- 1
 193     # -data-disassembly -f basics.c -l $line_main_body -n 0 -- 1
 194     # -data-disassembly -f basics.c -l $line_main_body -n 50 -- 1
 195
 196     mi_gdb_test "print/x \$pc" "" ""
 197     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 20 -- 1" \
 198             "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=\".*\"\}\\\]\}\]" \
 199               "data-disassemble file, line, number assembly mixed"
 200
 201     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 0 -- 1" \
 202             "222\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$line_main_open_brace\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\\\]\}\\\]" \
 203               "data-disassemble file, line, number (zero lines) assembly mixed"
 204
 205     mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 50 -- 1" \
 206             "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=\".*\"\}\\\]\}\]" \
 207               "data-disassemble file, line, number (more than main lines) assembly mixed"
 208 }
 209
 210 proc test_disassembly_bogus_args {} {
 211     global mi_gdb_prompt
 212     global hex
 213
 214     set line_main_head [gdb_get_line_number "main ("]
 215     set line_main_body [expr $line_main_head + 2]
 216
 217     # Test that bogus input to disassembly command is rejected.
 218     # Tests:
 219     # -data-disassembly -f foo -l abc -n 0 -- 0
 220     # -data-disassembly -s foo -e bar -- 0
 221     # -data-disassembly -a foo -- 0
 222     # -data-disassembly -s $pc -f basics.c -- 0
 223     # -data-disassembly -f basics.c -l 32 -- 9
 224
 225     mi_gdb_test "123-data-disassemble -f foo -l abc -n 0 -- 0" \
 226              "123\\^error,msg=\"-data-disassemble: Invalid filename.\"" \
 227              "data-disassemble bogus filename"
 228
 229     mi_gdb_test "321-data-disassemble -s foo -e bar -- 0" \
 230              "321\\^error,msg=\"No symbol \\\\\"foo\\\\\" in current context.\"" \
 231              "data-disassemble bogus address, -s -e"
 232
 233     mi_gdb_test "322-data-disassemble -a foo -- 0" \
 234              "322\\^error,msg=\"No symbol \\\\\"foo\\\\\" in current context.\"" \
 235              "data-disassemble bogus address, -a"
 236
 237     mi_gdb_test "456-data-disassemble -s \$pc -f basics.c -- 0" \
 238              "456\\^error,msg=\"-data-disassemble: Usage: \\( .-f filename -l linenum .-n howmany.. \\| .-s startaddr -e endaddr. \\| .-a addr. \\) .--. mode.\"" \
 239              "data-disassemble mix different args"
 240
 241     mi_gdb_test "789-data-disassemble -f basics.c -l $line_main_body -- 9" \
 242              "789\\^error,msg=\"-data-disassemble: Mode argument must be in the range 0-5.\"" \
 243              "data-disassemble wrong mode arg"
 244
 245 }
 246
 247 mi_run_to_main
 248 test_disassembly_only
 249 test_disassembly_with_opcodes
 250 test_disassembly_mixed
 251 test_disassembly_mixed_with_opcodes
 252 test_disassembly_bogus_args
 253 test_disassembly_lines_limit
 254 test_disassembly_mixed_lines_limit
 255
 256 mi_gdb_exit
 257 return 0