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

# Copyright 1999-2017 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 <http://www.gnu.org/licenses/>.

#
# Test Machine interface (MI) operations for disassembly.
#
# The goal is not to test gdb functionality, which is done by other tests,
# but to verify the correct output response to MI operations.
#

load_lib mi-support.exp
set MIFLAGS "-i=mi"

gdb_exit
if [mi_gdb_start] {
    continue
}

standard_testfile basics.c

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     untested "failed to compile"
     return -1
}

proc test_disassembly_only {} {
    global mi_gdb_prompt
    global hex
    global decimal

    set line_main_head [gdb_get_line_number "main ("]
    set line_main_body [expr $line_main_head + 2]

    # Test disassembly more only for the current function.
    # Tests:
    # -data-disassemble -s $pc -e "$pc+8" -- 0
    # -data-disassembly -f basics.c -l $line_main_body -- 0

    mi_gdb_test "print/x \$pc" "" ""
    mi_gdb_test "111-data-disassemble -s \$pc -e \"\$pc + 12\" -- 0" \
	    "111\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}.*\]" \
             "data-disassemble from pc to pc+12 assembly only"

    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -- 0" \
	    "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
              "data-disassemble file & line, assembly only"
}

proc test_disassembly_with_opcodes {} {
    global mi_gdb_prompt
    global hex
    global decimal

    set line_main_head [gdb_get_line_number "main ("]
    set line_main_body [expr $line_main_head + 2]

    # Test disassembly with opcodes for the current function.
    # Tests:
    # -data-disassemble -s $pc -e "$pc+8" -- 2
    # -data-disassembly -f basics.c -l $line_main_body -- 2

    mi_gdb_test "print/x \$pc" "" ""
    mi_gdb_test "111-data-disassemble -s \$pc -e \"\$pc + 12\" -- 2" \
           "111\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\},\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}.*\]" \
             "data-disassemble from pc to pc+12 assembly with opcodes"

    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -- 2" \
           "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",opcodes=\".*\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",opcodes=\".*\",inst=\".*\"\}\\\]" \
              "data-disassemble file & line, assembly with opcodes"
}

proc test_disassembly_lines_limit {} {
    global mi_gdb_prompt
    global hex
    global decimal

    set line_main_head [gdb_get_line_number "main ("]
    set line_main_body [expr $line_main_head + 2]

    # Test disassembly more only for the current function.
    # Tests:
    # -data-disassembly -f basics.c -l $line_main_body -n 20 -- 0
    # -data-disassembly -f basics.c -l $line_main_body -n 0 -- 0
    # -data-disassembly -f basics.c -l $line_main_body -n 50 -- 0

    mi_gdb_test "print/x \$pc" "" ""
    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 20 -- 0" \
	    "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
              "data-disassemble file, line, number assembly only"

    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 0 -- 0" \
	    "222\\^done,asm_insns=\\\[\\\]" \
              "data-disassemble file, line, number (zero lines) assembly only"

    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 50 -- 0" \
	    "222\\^done,asm_insns=\\\[\{address=\"$hex\",func-name=\"main\",offset=\"0\",inst=\".*\"\},.*,\{address=\"$hex\",func-name=\"main\",offset=\"$decimal\",inst=\".*\"\}\\\]" \
              "data-disassemble file, line, number (more than main lines) assembly only"
}


proc test_disassembly_mixed {} {
    global mi_gdb_prompt
    global hex
    global decimal
    global fullname_syntax

    set line_callee2_head       [gdb_get_line_number "callee2 ("]
    set line_callee2_open_brace [expr $line_callee2_head + 1]

    # Test disassembly more only for the current function.
    # Tests:
    # -data-disassembly -f basics.c -l $line_callee2_open_brace -- 1
    # -data-disassembly -s $pc -e "$pc+8" -- 1

    mi_gdb_test "002-data-disassemble -f basics.c -l $line_callee2_open_brace -- 1" \
	    "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=\".*\"\}\\\]\}\\\]" \
             "data-disassemble file, line assembly mixed"

    #
    # In mixed mode, the lowest level of granularity is the source line.
    # So we are going to get the disassembly for the source line at
    # which we are now, even if we have specified that the range is only 2 insns.
    #
    mi_gdb_test "003-data-disassemble -s \$pc -e \"\$pc+4\" -- 1" \
	    "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=\".*\"\}\\\]\}\\\]" \
             "data-disassemble range assembly mixed"
}

proc test_disassembly_mixed_with_opcodes {} {
    global mi_gdb_prompt
    global hex
    global decimal
    global fullname_syntax

    set line_callee2_head       [gdb_get_line_number "callee2 ("]
    set line_callee2_open_brace [expr $line_callee2_head + 1]

    # Test disassembly mixed with opcodes for the current function.
    # Tests:
    # -data-disassembly -f basics.c -l $line_callee2_open_brace -- 3
    # -data-disassembly -s $pc -e "$pc+8" -- 3

    mi_gdb_test "002-data-disassemble -f basics.c -l $line_callee2_open_brace -- 3" \
           "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=\".*\"\}\\\]\}\\\]" \
             "data-disassemble file, line assembly mixed with opcodes"

    #
    # In mixed mode, the lowest level of granularity is the source line.
    # So we are going to get the disassembly for the source line at
    # which we are now, even if we have specified that the range is only 2 insns.
    #
    mi_gdb_test "003-data-disassemble -s \$pc -e \"\$pc+4\" -- 3" \
           "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=\".*\"\}\\\]\}\\\]" \
             "data-disassemble range assembly mixed with opcodes"
}

proc test_disassembly_mixed_lines_limit {} {
    global mi_gdb_prompt
    global hex
    global decimal
    global fullname_syntax

    set line_main_head       [gdb_get_line_number "main ("]
    set line_main_open_brace [expr $line_main_head + 1]
    set line_main_body       [expr $line_main_head + 2]

    # Test disassembly more only for the current function.
    # Tests:
    # -data-disassembly -f basics.c -l $line_main_body -n 20 -- 1
    # -data-disassembly -f basics.c -l $line_main_body -n 0 -- 1
    # -data-disassembly -f basics.c -l $line_main_body -n 50 -- 1

    mi_gdb_test "print/x \$pc" "" ""
    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 20 -- 1" \
	    "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=\".*\"\}\\\]\}\]" \
              "data-disassemble file, line, number assembly mixed"

    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 0 -- 1" \
	    "222\\^done,asm_insns=\\\[src_and_asm_line=\{line=\"$line_main_open_brace\",file=\".*basics.c\",fullname=\"${fullname_syntax}basics.c\",line_asm_insn=\\\[\\\]\}\\\]" \
              "data-disassemble file, line, number (zero lines) assembly mixed"

    mi_gdb_test "222-data-disassemble  -f basics.c -l $line_main_body -n 50 -- 1" \
	    "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=\".*\"\}\\\]\}\]" \
              "data-disassemble file, line, number (more than main lines) assembly mixed"
}

proc test_disassembly_bogus_args {} {
    global mi_gdb_prompt
    global hex

    set line_main_head [gdb_get_line_number "main ("]
    set line_main_body [expr $line_main_head + 2]

    # Test that bogus input to disassembly command is rejected.
    # Tests:
    # -data-disassembly -f foo -l abc -n 0 -- 0
    # -data-disassembly -s foo -e bar -- 0
    # -data-disassembly -s $pc -f basics.c -- 0
    # -data-disassembly -f basics.c -l 32 -- 9

    mi_gdb_test "123-data-disassemble -f foo -l abc -n 0 -- 0" \
             "123\\^error,msg=\"-data-disassemble: Invalid filename.\"" \
             "data-disassemble bogus filename"

    mi_gdb_test "321-data-disassemble -s foo -e bar -- 0" \
             "321\\^error,msg=\"No symbol \\\\\"foo\\\\\" in current context.\"" \
             "data-disassemble bogus address"

    mi_gdb_test "456-data-disassemble -s \$pc -f basics.c -- 0" \
             "456\\^error,msg=\"-data-disassemble: Usage: \\( .-f filename -l linenum .-n howmany.. \\| .-s startaddr -e endaddr.\\) .--. mode.\"" \
             "data-disassemble mix different args"

    mi_gdb_test "789-data-disassemble -f basics.c -l $line_main_body -- 9" \
             "789\\^error,msg=\"-data-disassemble: Mode argument must be in the range 0-5.\"" \
             "data-disassemble wrong mode arg"

}

mi_run_to_main
test_disassembly_only
test_disassembly_with_opcodes
test_disassembly_mixed
test_disassembly_mixed_with_opcodes
test_disassembly_bogus_args
test_disassembly_lines_limit
test_disassembly_mixed_lines_limit

mi_gdb_exit
return 0