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| author | Doug Evans <dje@google.com> | 2011-12-16 19:06:38 +0000 |
|---|---|---|
| committer | Doug Evans <dje@google.com> | 2011-12-16 19:06:38 +0000 |
| commit | e0f9f062204827dd5f8a01ab9252ec29273cd3b0 (patch) | |
| tree | b59a5c9d50f4d48b63a75b4d1a63213eee7c7c1d /gdb/gdbserver/linux-low.c | |
| parent | e77616d77a34e00c99d803b2324e17ece340ac5e (diff) | |
| download | gdb-e0f9f062204827dd5f8a01ab9252ec29273cd3b0.zip gdb-e0f9f062204827dd5f8a01ab9252ec29273cd3b0.tar.gz gdb-e0f9f062204827dd5f8a01ab9252ec29273cd3b0.tar.bz2 | |
* NEWS: Add entry for stdio gdbserver.
gdbserver/
* linux-low.c (linux_create_inferior): If stdio connection,
redirect stdin from /dev/null, stdout to stderr.
* remote-utils.c (remote_is_stdio): New static global.
(remote_connection_is_stdio): New function.
(remote_prepare): Handle stdio connection.
(remote_open): Ditto.
(remote_close): Don't close stdin for stdio connections.
(read_prim,write_prim): New functions. Replace all calls to
read/write to these.
* server.c (main): Watch for "-" argument. Move call to
remote_prepare before start_inferior.
* server.h (STDIO_CONNECTION_NAME): New macro.
(remote_connection_is_stdio): Declare.
doc/
* gdb.texinfo (Server): Document -/stdio argument to gdbserver.
testsuite/
* lib/gdbserver-support.exp (gdb_target_cmd): Recognize stdio
gdbserver output.
(gdbserver_default_get_remote_address): New function.
(gdbserver_start): Call gdb,get_remote_address to compute argument
to "target remote" command.
Diffstat (limited to 'gdb/gdbserver/linux-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-low.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c index 43d88fa..a712b1f 100644 --- a/gdb/gdbserver/linux-low.c +++ b/gdb/gdbserver/linux-low.c @@ -569,6 +569,18 @@ linux_create_inferior (char *program, char **allargs) setpgid (0, 0); + /* If gdbserver is connected to gdb via stdio, redirect the inferior's + stdout to stderr so that inferior i/o doesn't corrupt the connection. + Also, redirect stdin to /dev/null. */ + if (remote_connection_is_stdio ()) + { + close (0); + open ("/dev/null", O_RDONLY); + dup2 (2, 1); + write (2, "stdin/stdout redirected\n", + sizeof ("stdin/stdout redirected\n") - 1); + } + execv (program, allargs); if (errno == ENOENT) execvp (program, allargs); |