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2000-03-06 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
* gdbmi.texinfo: Update data-disassemble documentation.
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Elena Zannoni
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@ -1,3 +1,7 @@
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2000-03-06 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
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* gdbmi.texinfo: Update data-disassemble documentation.
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2000-03-01 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
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* mi-cmd-disas.c (mi_cmd_disassemble): Use
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@ -746,16 +746,17 @@ file="../../../devo/gdb/testsuite/gdb.mi/basics.c",line="8",times="1"@}@}
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@c @subsection Example
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@c N.A.
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@section -data-disassemble <begin> <end> <mode> <number-of-lines>
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@section -data-disassemble ( -s <start-addr> -e <end-addr> ) | (-f <filename> -l <linenum> [-n <lines> ]] -- <mode>
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Where
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@table @samp
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@item <begin>
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Is a function name or an address (or $pc)
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@item <end>
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can be 0 (in which case the enclosing function will be disassembled), or
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an address.
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@item <mode>
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can be 0 (only disassembly) or 1 (mixed source and disassembly).
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@item <start-addr>
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Is the beginning address (or $pc).
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@item <end-addr>
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End address.
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@item <filename>
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Name of the file to disassemble.
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@item <linenum>
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Line number to disassemble around.
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@item <number-of-lines>
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specifies the number of disassembly lines to be produced. If it is -1
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the whole function will be disassembled, in case no <end> address is
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@ -764,79 +765,85 @@ specified. If <end> is specified as a non-zero value, and
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<begin> and <end>, we'll display only <number-of-lines> lines, vice
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versa if <number-of-lines> is higher than the number of lines between
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<begin> and <end>, we'll display only the lines up to <end>.
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@item <mode>
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can be 0 (only disassembly) or 1 (mixed source and disassembly).
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@end table
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The output for each instruction is composed of two fields:
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@itemize @bullet
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@item Address
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@item Func-name
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@item Offset
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@item Instruction
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@end itemize
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Note that whatever included in those fields, is not manipulated
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directely by Flathead, i.e. it is not possible to adjust their format.
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Note that whatever included in the instruction field, is not manipulated
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directely by Flathead, i.e. it is not possible to adjust its format.
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@subsection GDB command
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N.A. No direct mapping.
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@subsection Example 1
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Disassemble from the current PC value to PC + 20.
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@example
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(gdb)
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-data-disassemble main 0 0 -1
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^done,asm_insns=@{
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@{address="0x100b8 <main>",inst=" stwu r1,-16(r1)"@},
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@{address="0x100bc <main+4>",inst="mflr r0"@},
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@{address="0x100c0 <main+8>",inst=" stw r31,12(r1)"@},
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@{address="0x100c4 <main+12>",inst=" stw r0,20(r1)"@},
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@{address="0x100c8 <main+16>",inst=" mr r31,r1"@},
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@{address="0x100cc <main+20>",inst=" bl0x1013c <__eabi>"@},
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@{address="0x100d0 <main+24>",inst=" lis r9,2"@},
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@{address="0x100d4 <main+28>",inst=" addi r3,r9,-25680"@},
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@{address="0x100d8 <main+32>",inst=" bl 0x10fc8 <printf>"@},
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@{address="0x100dc <main+36>",inst=" bl 0x10100 <foo>"@},
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@{address="0x100e0 <main+40>",inst=" li r3,0"@},
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@{address="0x100e4 <main+44>",inst=" b 0x100e8 <main+48>"@},
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@{address="0x100e8 <main+48>",inst=" lwz r11,0(r1)"@},
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@{address="0x100ec <main+52>",inst=" lwz r0,4(r11)"@},
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@{address="0x100f0 <main+56>",inst=" mtlr r0"@},
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@{address="0x100f4 <main+60>",inst=" lwz r31,-4(r11)"@},
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@{address="0x100f8 <main+64>",inst=" mr r1,r11"@},
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@{address="0x100fc <main+68>",inst=" blr"@}
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(gdb)
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-data-disassemble -s $pc -e "$pc + 20" -- 0
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^done,
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asm_insns={
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{address="0x000107c0",func-name="main",offset="4",
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inst="mov 2, %o0"},
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{address="0x000107c4",func-name="main",offset="8",
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inst="sethi %hi(0x11800), %o2"},
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{address="0x000107c8",func-name="main",offset="12",
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inst="or %o2, 0x140, %o1\t! 0x11940 <_lib_version+8>"},
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{address="0x000107cc",func-name="main",offset="16",
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inst="sethi %hi(0x11800), %o2"},
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{address="0x000107d0",func-name="main",offset="20",
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inst="or %o2, 0x168, %o4\t! 0x11968 <_lib_version+48>"}}
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(gdb)
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@end example
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@subsection Example 2
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Disassemble the whole function main. Line 32 is part of main.
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@example
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-data-disassemble -f basics.c -l 32 -- 0
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^done,asm_insns={
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{address="0x000107bc",func-name="main",offset="0",inst="save %sp, -112, %sp"},
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{address="0x000107c0",func-name="main",offset="4",inst="mov 2, %o0"},
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{address="0x000107c4",func-name="main",offset="8",inst="sethi %hi(0x11800), %o2"},
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[...]
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{address="0x0001081c",func-name="main",offset="96",inst="ret "},
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{address="0x00010820",func-name="main",offset="100",inst="restore "}}
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(gdb)
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-data-disassemble main 0 0 3
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^done,asm_insns=@{
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@{address=" 0x100b8 <main>",inst=" stwu r1,-16(r1)"@},
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@{address=" 0x100bc <main+4>",inst="mflr r0"@},
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@{address=" 0x100c0 <main+8>",inst=" stw r31,12(r1)"@}
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(gdb)
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@end example
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@subsection Example 3
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Disassemble 3 instruction from the start of main.
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@example
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(gdb)
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-data-disassemble foo 0 1 -1
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^done,asm_insns=@{src_and_asm_line=@{line="11",file="hello.c",
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line_asm_insn=@{
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@{address=" 0x10100 <foo>",inst=" stwu r1,-16(r1)"@},
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@{address=" 0x10104 <foo+4>",inst=" mflrr0"@},
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@{address=" 0x10108 <foo+8>",inst=" stw r31,12(r1)"@},
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@{address=" 0x1010c <foo+12>",inst=" stw r0,20(r1)"@},
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@{address=" 0x10110 <foo+16>",inst=" mr r31,r1"@}@}@},
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src_and_asm_line=@{line="12",file="hello.c",
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line_asm_insn=@{
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@{address=" 0x10114 <foo+20>",inst=" lisr9,2"@},
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@{address=" 0x10118 <foo+24>",inst=" addi r3,r9,-25664"@},
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@{address=" 0x1011c <foo+28>",inst=" bl 0x10fc8 <printf>"@}@}@},
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src_and_asm_line=@{line="14",file="hello.c",
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line_asm_insn=@{
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@{address=" 0x10120 <foo+32>",inst=" lwz r11,0(r1)"@},
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@{address=" 0x10124 <foo+36>",inst=" lwz r0,4(r11)"@},
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@{address=" 0x10128 <foo+40>",inst=" mtlr r0"@},
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@{address=" 0x1012c <foo+44>",inst=" lwz r31,-4(r11)"@},
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@{address=" 0x10130 <foo+48>",inst=" mr r1,r11"@},
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@{address=" 0x10134 <foo+52>",inst=" blr"@}@}@}@}
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-data-disassemble -f basics.c -l 32 -n 3 -- 0
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^done,asm_insns={
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{address="0x000107bc",func-name="main",offset="0",inst="save %sp, -112, %sp"},
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{address="0x000107c0",func-name="main",offset="4",inst="mov 2, %o0"},
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{address="0x000107c4",func-name="main",offset="8",inst="sethi %hi(0x11800), %o2"}}
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(gdb)
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@end example
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@subsection Example 4
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Disassemble 3 instruction from the start of main in mixed mode.
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@example
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(gdb)
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-data-disassemble -f basics.c -l 32 -n 3 -- 1
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^done,asm_insns={
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src_and_asm_line={line="31",
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file="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb/testsuite/gdb.mi/basics.c",
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line_asm_insn={
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{address="0x000107bc",func-name="main",offset="0",inst="save %sp, -112, %sp"}}},
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src_and_asm_line={line="32",
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file="/kwikemart/marge/ezannoni/flathead-dev/devo/gdb/testsuite/gdb.mi/basics.c",
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line_asm_insn={
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{address="0x000107c0",func-name="main",offset="4",inst="mov 2, %o0"},
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{address="0x000107c4",func-name="main",offset="8",inst="sethi %hi(0x11800), %o2"}}}}
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(gdb)
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@end example
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