diff options
Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 4ed5f6bbb21..ee7adc8df22 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -8432,21 +8432,22 @@ well as hex. @table @code @kindex info line -@item info line @var{location} +@item info line +@itemx info line @var{location} Print the starting and ending addresses of the compiled code for source line @var{location}. You can specify source lines in any of -the ways documented in @ref{Specify Location}. +the ways documented in @ref{Specify Location}. With no @var{location} +information about the current source line is printed. @end table For example, we can use @code{info line} to discover the location of the object code for the first line of function @code{m4_changequote}: -@c FIXME: I think this example should also show the addresses in -@c symbolic form, as they usually would be displayed. @smallexample (@value{GDBP}) info line m4_changequote -Line 895 of "builtin.c" starts at pc 0x634c and ends at 0x6350. +Line 895 of "builtin.c" starts at pc 0x634c <m4_changequote> and \ + ends at 0x6350 <m4_changequote+4>. @end smallexample @noindent @@ -8455,7 +8456,8 @@ We can also inquire (using @code{*@var{addr}} as the form for @var{location}) what source line covers a particular address: @smallexample (@value{GDBP}) info line *0x63ff -Line 926 of "builtin.c" starts at pc 0x63e4 and ends at 0x6404. +Line 926 of "builtin.c" starts at pc 0x63e4 <m4_changequote+152> and \ + ends at 0x6404 <m4_changequote+184>. @end smallexample @cindex @code{$_} and @code{info line} @@ -8468,6 +8470,11 @@ sufficient to begin examining the machine code (@pxref{Memory, convenience variable @code{$_} (@pxref{Convenience Vars, ,Convenience Variables}). +@cindex info line, repeated calls +After @code{info line}, using @code{info line} again without +specifying a location will display information about the next source +line. + @table @code @kindex disassemble @cindex assembly instructions |