src/gdb ChangeLog dwarf2loc.c dwarf2read.c

[jkratoch@sourceware.org]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	jkratoch@sourceware.org	2011-09-13 21:44:27

Modified files:
	gdb            : ChangeLog dwarf2loc.c dwarf2read.c 

Log message:
	gdb/
	Remove excessive DWARF expressions memory duplication.
	* dwarf2loc.c (per_cu_dwarf_call): Remove variable back_to and its use
	for block.data.
	(indirect_pieced_value): Remove variable result.  Remove variable
	back_to and its use for baton.data.
	(dwarf2_compile_expr_to_ax): Remove variable back_to and its use for
	block.data.
	* dwarf2read.c (dwarf2_fetch_die_location_block): Remove xmemdup.
	Update the function comment.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13327&r2=1.13328
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/dwarf2loc.c.diff?cvsroot=src&r1=1.127&r2=1.128
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/dwarf2read.c.diff?cvsroot=src&r1=1.560&r2=1.561