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[PATCH v5 3/3] Documentation for the remove-symbol-file command.
- From: Nicolas Blanc <nicolas dot blanc at intel dot com>
- To: gdb-patches at sourceware dot org, palves at redhat dot com, tromey at redhat dot com, eliz at gnu dot org, yao at codesourcery dot com, lgustavo at codesourcery dot com
- Cc: nicolas dot blanc at intel dot com
- Date: Fri, 31 May 2013 19:32:00 +0200
- Subject: [PATCH v5 3/3] Documentation for the remove-symbol-file command.
- References: <1370021520-23150-1-git-send-email-nicolas dot blanc at intel dot com>
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 | 5 +++++
gdb/doc/gdb.texinfo | 29 +++++++++++++++++++++++++++--
2 files changed, 32 insertions(+), 2 deletions(-)
diff --git a/gdb/NEWS b/gdb/NEWS
index a23e8e3..c6233f8 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -31,6 +31,11 @@ maint set|show per-command time
maint set|show per-command symtab
Enable display of per-command gdb resource usage.
+remove-symbol-file ADDR
+ Removes a symbol file added via add-symbol-file. ADDR must be an
+ expression representing an address inside one of the sections of
+ the symbol file to remove.
+
* New options
set remote trace-status-packet
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index ead00b4..d6ed3d1 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -16511,8 +16511,11 @@ 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},
+which takes as parameter any address inside the sections of the file
+to remove.
@cindex relocatable object files, reading symbols from
@cindex object files, relocatable, reading symbols from
@@ -16550,6 +16553,28 @@ 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{address}
+The @code{remove-symbol-file} command removes a symbol file added
+via the @code{add-symbol-file} command. @var{address} must be an expression
+representing an address inside one of the sections of the symbol file
+to remove.
+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 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