Rename dwarf2 to dwarf in "set debug" and maintenance commands.

gdb/ChangeLog:

	* NEWS: Add entries for command renamings.
	* dwarf2read.c (dwarf_read_debug): Renamed from dwarf2_read_debug.
	All uses updated.
	(dwarf_die_debug): Renamed from dwarf2_die_debug.  All uses updated.
	(dwarf_max_cache_age): Renamed from dwarf2_max_cache_age.
	All uses updated.
	(show_dwarf_max_cache_age): Renamed from show_dwarf2_max_cache_age.
	All callers updated.  Fix spelling of DWARF in help text.
	(set_dwarf_cmdlist): Renamed from set_dwarf2_cmdlist.
	All uses updated.
	(show_dwarf_cmdlist): Renamed from show_dwarf2_cmdlist.
	All uses updated.
	(set_dwarf_cmd): Renamed from set_dwarf2_cmd.  All callers updated.
	(show_dwarf_cmd): Renamed from show_dwarf2_cmd.  All callers updated.
	(dwarf_always_disassemble): Renamed from dwarf_always_disassemble.
	All uses updated.
	(show_dwarf_always_disassemble): Renamed from
	show_dwarf2_always_disassemble.  All callers updated.
	(_initialize_dwarf2_read): Rename "set/show dwarf2" prefix to
	"set/show dwarf".  Rename "set/show dwarf2 max-cache-age" to
	"set/show dwarf max-cache-age".  Rename
	"set/show dwarf2 always-disassemble" to
	"set/show dwarf always-disassemble".  Rename
	"set/show debug dwarf2-read" to "set/show debug dwarf-read".  Rename
	"set/show debug dwarf2-die" to "set/show debug dwarf-die".

gdb/doc/ChangeLog:

	* gdb.texinfo (Debugging Output): Update for DWARF "set debug"
	command renamings.
	(Maintenance Commands): Update for DWARF "set debug" command renamings.

gdb/testsuite/ChangeLog:

	* gdb.dwarf2/dw2-op-call.exp: Update.
	* gdb.dwarf2/dw4-sig-types.exp: Update.
	* gdb.dwarf2/implptr.exp: Update.
	* gdb.mi/mi-cmd-param-changed.exp: Update.

2 files changed, 26 insertions, 20 deletions

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index b99c316ebdc..490afe21e41 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,9 @@
+2015-05-26  Doug Evans  <dje@google.com>
+
+	* gdb.texinfo (Debugging Output): Update for DWARF "set debug"
+	command renamings.
+	(Maintenance Commands): Update for DWARF "set debug" command renamings.
+
 2015-05-26  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* gdb.texinfo (TUI Commands): Add 'tui reg prev' details.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 566cb9a639d..6cc6c7e08bf 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -23410,21 +23410,21 @@ exported symbols.  The default is off.
 @item show debug coff-pe-read
 Displays the current state of displaying debugging messages related to
 reading of COFF/PE exported symbols.
-@item set debug dwarf2-die
-@cindex DWARF2 DIEs
-Dump DWARF2 DIEs after they are read in.
+@item set debug dwarf-die
+@cindex DWARF DIEs
+Dump DWARF DIEs after they are read in.
 The value is the number of nesting levels to print.
 A value of zero turns off the display.
-@item show debug dwarf2-die
-Show the current state of DWARF2 DIE debugging.
-@item set debug dwarf2-read
-@cindex DWARF2 Reading
+@item show debug dwarf-die
+Show the current state of DWARF DIE debugging.
+@item set debug dwarf-read
+@cindex DWARF Reading
 Turns on or off display of debugging messages related to reading
 DWARF debug info.  The default is 0 (off).
 A value of 1 provides basic information.
 A value greater than 1 provides more verbose information.
-@item show debug dwarf2-read
-Show the current state of DWARF2 reader debugging.
+@item show debug dwarf-read
+Show the current state of DWARF reader debugging.
 @item set debug displaced
 @cindex displaced stepping debugging info
 Turns on or off display of @value{GDBN} debugging info for the
@@ -34154,10 +34154,10 @@ that symbol is described.  The type chain produced by this command is
 a recursive definition of the data type as stored in @value{GDBN}'s
 data structures, including its flags and contained types.
 
-@kindex maint set dwarf2 always-disassemble
-@kindex maint show dwarf2 always-disassemble
-@item maint set dwarf2 always-disassemble
-@item maint show dwarf2 always-disassemble
+@kindex maint set dwarf always-disassemble
+@kindex maint show dwarf always-disassemble
+@item maint set dwarf always-disassemble
+@item maint show dwarf always-disassemble
 Control the behavior of @code{info address} when using DWARF debugging
 information.
 
@@ -34179,15 +34179,15 @@ Symbol "argc" is a complex DWARF expression:
 For more information on these expressions, see
 @uref{http://www.dwarfstd.org/, the DWARF standard}.
 
-@kindex maint set dwarf2 max-cache-age
-@kindex maint show dwarf2 max-cache-age
-@item maint set dwarf2 max-cache-age
-@itemx maint show dwarf2 max-cache-age
-Control the DWARF 2 compilation unit cache.
+@kindex maint set dwarf max-cache-age
+@kindex maint show dwarf max-cache-age
+@item maint set dwarf max-cache-age
+@itemx maint show dwarf max-cache-age
+Control the DWARF compilation unit cache.
 
-@cindex DWARF 2 compilation units cache
+@cindex DWARF compilation units cache
 In object files with inter-compilation-unit references, such as those
-produced by the GCC option @samp{-feliminate-dwarf2-dups}, the DWARF 2
+produced by the GCC option @samp{-feliminate-dwarf2-dups}, the DWARF
 reader needs to frequently refer to previously read compilation units.
 This setting controls how long a compilation unit will remain in the
 cache if it is not referenced.  A higher limit means that cached