RTEMS GNU Tools On-Line Library

Debugging with GDB

19.12: GDB/MI Thread Commands

The -thread-info Command

Synopsis

 -thread-info

GDB command

No equivalent.

Example

N.A.

The -thread-list-all-threads Command

Synopsis

 -thread-list-all-threads

GDB Command

The equivalent GDB command is `info threads'.

Example

N.A.

The -thread-list-ids Command

Synopsis

 -thread-list-ids

Produces a list of the currently known gdb thread ids. At the end of the list it also prints the total number of such threads.

GDB Command

Part of `info threads' supplies the same information.

Example

No threads present, besides the main process.

(gdb)
-thread-list-ids
^done,thread-ids={},number-of-threads="0"
(gdb)

Several threads.

(gdb)
-thread-list-ids
^done,thread-ids={thread-id="3",thread-id="2",thread-id="1"},
number-of-threads="3"
(gdb)

The -thread-select Command

Synopsis

 -thread-select threadnum

Make threadnum the current thread. It prints the number of the new current thread, and the topmost frame for that thread.

GDB Command

The corresponding GDB command is `thread'.

Example

(gdb)
-exec-next
^running
(gdb)
*stopped,reason="end-stepping-range",thread-id="2",line="187",
file="../../../devo/gdb/testsuite/gdb.threads/linux-dp.c"
(gdb)
-thread-list-ids
^done,
thread-ids={thread-id="3",thread-id="2",thread-id="1"},
number-of-threads="3"
(gdb)
-thread-select 3
^done,new-thread-id="3",
frame={level="0 ",func="vprintf",
args={{name="format",value="0x8048e9c \"%*s%c %d %c\\n\""},
{name="arg",value="0x2"}},file="vprintf.c",line="31"}
(gdb)

Debugging with GDB

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