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Documentation for the remove-symbol-file command.

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2013-10-29  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>
This commit is contained in:
Nicolas Blanc 2013-04-05 09:15:56 +02:00
parent 63644780ba
commit 98297bf675
2 changed files with 30 additions and 2 deletions
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6
gdb/NEWS
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@ -74,6 +74,12 @@ 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 debug symfile off|on

26
gdb/doc/gdb.texinfo
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@ -16718,8 +16718,9 @@ 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 is kept in addition 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
@ -16757,6 +16758,27 @@ 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