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| author | Doug Evans <dje@google.com> | 2008-05-05 21:14:37 +0000 |
|---|---|---|
| committer | Doug Evans <dje@google.com> | 2008-05-05 21:14:37 +0000 |
| commit | d14508fea9d63a399de25f8a47d59bc33a1fd206 (patch) | |
| tree | b625eb7214353b8ff5fe757a893ca7b27a82c4a1 /gdb/doc | |
| parent | 5142f611ca2556cb8e1510a69b9d240785a7db48 (diff) | |
| download | gdb-d14508fea9d63a399de25f8a47d59bc33a1fd206.zip gdb-d14508fea9d63a399de25f8a47d59bc33a1fd206.tar.gz gdb-d14508fea9d63a399de25f8a47d59bc33a1fd206.tar.bz2 | |
* NEWS: Mention new /m modifier for disassemble command.
* cli/cli-cmds.c (print_disassembly): New function.
(disassemble_current_function): New function
(disassemble_command): Recognize /m modifier, print mixed
source+assembly.
(init_cli_cmds): Update disassemble help text.
* gdb.texinfo (disassemble): Document /m modifier.
Diffstat (limited to 'gdb/doc')
| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 30 |
2 files changed, 33 insertions, 1 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index f371b21..dd5ee73 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2008-05-05 Doug Evans <dje@google.com> + + * gdb.texinfo (disassemble): Document /m modifier. + 2008-05-05 Vladimir Prus <vladimir@codesourcery.com> * gdb.texinfo (Maintenance Commands): Clarify that "maint time" diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index f4b9417..16b9b66 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -5446,8 +5446,11 @@ Variables}). @cindex machine instructions @cindex listing machine instructions @item disassemble +@itemx disassemble /m This specialized command dumps a range of memory as machine -instructions. The default memory range is the function surrounding the +instructions. It can also print mixed source+disassembly by specifying +the @code{/m} modifier. +The default memory range is the function surrounding the program counter of the selected frame. A single argument to this command is a program counter value; @value{GDBN} dumps the function surrounding this value. Two arguments specify a range of addresses @@ -5471,6 +5474,31 @@ Dump of assembler code from 0x32c4 to 0x32e4: End of assembler dump. @end smallexample +Here is an example showing mixed source+assembly for Intel x86: + +@smallexample +(@value{GDBP}) disas /m main +Dump of assembler code for function main: +5 @{ +0x08048330 <main+0>: push %ebp +0x08048331 <main+1>: mov %esp,%ebp +0x08048333 <main+3>: sub $0x8,%esp +0x08048336 <main+6>: and $0xfffffff0,%esp +0x08048339 <main+9>: sub $0x10,%esp + +6 printf ("Hello.\n"); +0x0804833c <main+12>: movl $0x8048440,(%esp) +0x08048343 <main+19>: call 0x8048284 <puts@@plt> + +7 return 0; +8 @} +0x08048348 <main+24>: mov $0x0,%eax +0x0804834d <main+29>: leave +0x0804834e <main+30>: ret + +End of assembler dump. +@end smallexample + Some architectures have more than one commonly-used set of instruction mnemonics or other syntax. |