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authorJohn Darrington <john@darrington.wattle.id.au>2018-10-13 16:48:01 +0200
committerJohn Darrington <john@darrington.wattle.id.au>2018-10-23 16:09:32 +0200
commit6d0f8100c1a3053c967bec716e34b65dd054cc39 (patch)
tree3985fbf3a4180b3f6e61034d3837f2d152e5a0e8 /gdb
parentf19c7ff839d7a32ebb48482ae7d318fb46ca823d (diff)
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GDB: Document the unix::/path/to/socket of remote connection.
gdb/doc: * gdb.texinfo (Connecting)[Remote Connection Commands]: Provide alternative unix::/tmp/xxx example. Include @code{unix::@var{local-socket}} in the list of remote and extended-remote syntaxes.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/doc/gdb.texinfo24
1 files changed, 23 insertions, 1 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index eb00eaa..9616d37 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -20829,6 +20829,15 @@ Note that this command has the same form as the command to connect
to a serial line. @value{GDBN} will automatically determine which
kind of file you have specified and will make the appropriate kind
of connection.
+The above command is identical to the command:
+
+@smallexample
+target remote unix::/tmp/gdb-socket1
+@end smallexample
+@noindent
+
+See below for the explanation of this syntax.
+
This feature is not available if the host system does not support
Unix domain sockets.
@@ -20839,6 +20848,7 @@ Unix domain sockets.
@itemx target remote @code{tcp4:@var{host}:@var{port}}
@itemx target remote @code{tcp6:@var{host}:@var{port}}
@itemx target remote @code{tcp6:@var{[host]}:@var{port}}
+@itemx target remote @code{unix::@var{local-socket}}
@itemx target extended-remote @code{@var{host}:@var{port}}
@itemx target extended-remote @code{@var{[host]}:@var{port}}
@itemx target extended-remote @code{tcp:@var{host}:@var{port}}
@@ -20846,8 +20856,10 @@ Unix domain sockets.
@itemx target extended-remote @code{tcp4:@var{host}:@var{port}}
@itemx target extended-remote @code{tcp6:@var{host}:@var{port}}
@itemx target extended-remote @code{tcp6:@var{[host]}:@var{port}}
+@itemx target extended-remote @code{unix::@var{local-socket}}
@cindex @acronym{TCP} port, @code{target remote}
-Debug using a @acronym{TCP} connection to @var{port} on @var{host}.
+Debug using a @acronym{TCP} connection to @var{port} on @var{host}
+or using the Unix domain socket @var{local-socket} on the local machine.
The @var{host} may be either a host name, a numeric @acronym{IPv4}
address, or a numeric @acronym{IPv6} address (with or without the
square brackets to separate the address from the port); @var{port}
@@ -20895,6 +20907,16 @@ target remote :1234
@noindent
Note that the colon is still required here.
+Alternatively you can use a Unix domain socket:
+
+@smallexample
+target remote unix::/tmp/gdb-socket1
+@end smallexample
+@noindent
+
+This has the advantage that it'll not fail if the port number is already
+in use.
+
@item target remote @code{udp:@var{host}:@var{port}}
@itemx target remote @code{udp:@var{[host]}:@var{port}}