[patch v9 3/5] Documentation for the remove-symbol-file command.

Nicolas Blanc
2013-06-18T14:47:50Z

2013-04-05 Nicolas Blanc <nicolas.blanc@intel.com>

* NEWS: Add description of the remove-symbol-file command.
gdb/doc
* gdb.texinfo (Commands to Specify Files): Add description
of the remove-symbol-file command.

Signed-off-by: Nicolas Blanc <nicolas.blanc@intel.com>
---
gdb/NEWS | 6 ++++++
gdb/doc/gdb.texinfo | 26 ++++++++++++++++++++++++--
2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/gdb/NEWS b/gdb/NEWS
index eea9917..ac6d6e8 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -31,6 +31,12 @@ maint set|show per-command time
maint set|show per-command symtab
Enable display of per-command gdb resource usage.

+remove-symbol-file FILENAME
+remove-symbol-file -a ADDRESS
+ Remove a symbol file added via add-symbol-file. The file to remove
+ can be identified by its filename or by an address that lies within
+ the boundaries of this symbol file in memory.
+
* New options

set remote trace-status-packet
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index e6ec4ff..c42f320 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -16513,8 +16513,9 @@ section name and base address for that section. You can specify any
The symbol table of the file @var{filename} is added to the symbol table
originally read with the @code{symbol-file} command. You can use the
@code{add-symbol-file} command any number of times; the new symbol data
-thus read keeps adding to the old. To discard all old symbol data
-instead, use the @code{symbol-file} command without any arguments.
+thus read keeps adding to the old.
+
+Changes can be reverted using the command @code{remove-symbol-file}.

@cindex relocatable object files, reading symbols from
@cindex object files, relocatable, reading symbols from
@@ -16552,6 +16553,27 @@ way.

@code{add-symbol-file} does not repeat if you press @key{RET} after using it.

+@kindex remove-symbol-file
+@item remove-symbol-file @var{filename}
+@item remove-symbol-file -a @var{address}
+Remove a symbol file added via the @code{add-symbol-file} command. The
+file to remove can be identified by its @var{filename} or by an @var{address}
+that lies within the boundaries of this symbol file in memory. Example:
+
+@smallexample
+(gdb) add-symbol-file /home/user/gdb/mylib.so 0x7ffff7ff9480
+add symbol table from file "/home/user/gdb/mylib.so" at
+ .text_addr = 0x7ffff7ff9480
+(y or n) y
+Reading symbols from /home/user/gdb/mylib.so...done.
+(gdb) remove-symbol-file -a 0x7ffff7ff9480
+Remove symbol table from file "/home/user/gdb/mylib.so"? (y or n) y
+(gdb)
+@end smallexample
+
+
+@code{remove-symbol-file} does not repeat if you press @key{RET} after using it.
+
@kindex add-symbol-file-from-memory
@cindex @code{syscall DSO}
@cindex load symbols from memory
--
1.7.6.5