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David Gibson 329055dbbc Disallow re-use of the same label within a dts file 
Currently, nothing will stop you from re-using the same label string
multiple times in a dts, e.g.:
	/ {
		samelabel: prop1 = "foo";
		samelabel: prop2 = "bar";
	};

or
	/ {
		samelabel: prop1 = "foo";
		samelabel: subnode {
		};
	};

When using node references by label, this could lead to confusing
results (with no warning), and in -Oasm mode will result in output
which the assembler will complain about (since it too will have
duplicate labels).

This patch, therefore, adds code to checks.c to give errors if you
attempt to re-use the same label.  It treats all labels (node,
property, and value) as residing in the same namespace, since the
assembler will treat them so for -Oasm mode.

Testcases for the new code are also added.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2010-02-23 09:04:48 -06:00
..
add_subnode_with_nops.c libfdt: Fix NOP handling bug in fdt_add_subnode_namelen() 2008-02-14 08:02:41 -06:00
aliases.dts libfdt: Add support for using aliases in fdt_path_offset() 2008-08-14 10:24:58 -05:00
asm_tree_dump.c dtc: Make asm output more portable and add testcases 2009-02-03 08:38:01 -06:00
bad-empty-ranges.dts dtc: Convert #address-cells and #size-cells related checks 2007-12-07 07:43:45 -06:00
bad-name-property.dts dtc: Convert "name" property checking to new infrastructure 2007-12-05 08:27:28 -06:00
bad-ncells.dts dtc: Migrate "one cell" checks to new framework 2007-12-06 09:15:56 -06:00
bad-reg-ranges.dts dtc: Convert #address-cells and #size-cells related checks 2007-12-07 07:43:45 -06:00
bad-string-props.dts dtc: Migrate "string property" checks to new framework 2007-12-06 09:16:28 -06:00
base01.asm Add some initial test cases. 2007-02-15 11:02:44 -06:00
base01.cmd Add some initial test cases. 2007-02-15 11:02:44 -06:00
base01.dts Remove support for the legacy DTS source file format. 2008-10-03 16:09:34 -05:00
base01.stderr Add some initial test cases. 2007-02-15 11:02:44 -06:00
boot-cpuid.c dtc: Rework handling of boot_cpuid_phys 2008-05-19 14:12:15 -05:00
boot-cpuid.dts dtc: Automatically pick a sensible boot_cpuid_phys 2010-02-19 08:36:23 -06:00
comments-cmp.dts dtc: Fold comment handling test into testsuite 2008-02-15 08:10:14 -06:00
comments.dts dtc: Fold comment handling test into testsuite 2008-02-15 08:10:14 -06:00
data.S dtc: Make asm output more portable and add testcases 2009-02-03 08:38:01 -06:00
default-addr-size.dts dtc: Convert #address-cells and #size-cells related checks 2007-12-07 07:43:45 -06:00
del_node.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
del_property.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
dtbs_equal_ordered.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
dtc-checkfails.sh dtc: Remove some small bashisms from test scripts 2008-05-29 08:16:03 -05:00
dtc-fatal.sh dtc: Remove some small bashisms from test scripts 2008-05-29 08:16:03 -05:00
dumptrees.c dtc: Implement checks for the format of node and property names 2008-03-23 08:00:32 -05:00
dup-nodename.dts dtc: Add testcases for tree checks 2007-11-20 09:03:51 -06:00
dup-phandle.dts dtc: Add testcases for tree checks 2007-11-20 09:03:51 -06:00
dup-propname.dts dtc: Add testcases for tree checks 2007-11-20 09:03:51 -06:00
empty.dts Remove support for the legacy DTS source file format. 2008-10-03 16:09:34 -05:00
escapes.dts Remove support for the legacy DTS source file format. 2008-10-03 16:09:34 -05:00
extra-terminating-null.c Fix bug in -Odts with properties containing multiple terminating nulls 2009-11-11 07:34:01 -06:00
extra-terminating-null.dts Fix bug in -Odts with properties containing multiple terminating nulls 2009-11-11 07:34:01 -06:00
find_property.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
get_alias.c libfdt: Add function to explicitly expand aliases 2008-10-02 08:49:51 -05:00
get_mem_rsv.c dtc: Restore missing code for testcases 2007-10-17 07:09:59 -05:00
get_name.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
get_path.c libfdt: Fix bugs in fdt_get_path() 2008-09-25 09:34:27 -05:00
get_phandle.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
getprop.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
incbin.bin dtc: Add support for binary includes. 2008-06-19 10:01:14 -05:00
incbin.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
incbin.dts dtc: Add support for binary includes. 2008-06-19 10:01:14 -05:00
include0.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
include1.dts Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
include2.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
include3.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
include4.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
include5.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
include6.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
include7.dts libfdt: Fix bug in fdt_subnode_offset_namelen() 2008-11-05 08:12:10 -06:00
include8.dts dtc: Testcase for /include/ directive 2008-07-14 12:07:14 -05:00
label01.dts Remove support for the legacy DTS source file format. 2008-10-03 16:09:34 -05:00
Makefile.tests Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
mangle-layout.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
mangle-layout.supp dtc: Assorted improvements to test harness 2008-03-23 08:00:33 -05:00
minusone-phandle.dts dtc: Add testcases for tree checks 2007-11-20 09:03:51 -06:00
move_and_save.c dtc: Enable and fix -Wpointer-arith warnings 2008-07-14 12:36:08 -05:00
node_check_compatible.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
node_offset_by_compatible.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
node_offset_by_phandle.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
node_offset_by_prop_value.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
nonexist-label-ref.dts dtc: Flexible tree checking infrastructure (v2) 2007-11-26 16:00:08 -06:00
nonexist-node-ref.dts dtc: Fix some lexical problems with references 2007-11-28 13:51:38 -06:00
nop_node.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
nop_property.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
nopulate.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
notfound.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
obsolete-chosen-interrupt-controller.dts dtc: Convert check for obsolete /chosen property 2007-12-07 07:43:53 -06:00
open_pack.c Merge libfdt into dtc. 2007-06-14 15:05:55 +10:00
open_pack.supp dtc: Assorted improvements to test harness 2008-03-23 08:00:33 -05:00
parent_offset.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
path-references.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
path-references.dts dtc: Implement path references 2007-12-05 08:28:44 -06:00
path_offset.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
path_offset_aliases.c libfdt: Add support for using aliases in fdt_path_offset() 2008-08-14 10:24:58 -05:00
phandle_format.c Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
prop-after-subnode.dts dtc: Generate useful error message for properties after subnodes 2007-12-05 08:27:46 -06:00
references.c dtc: Handle linux,phandle properties which self-reference 2008-11-17 14:05:48 -06:00
references.dts Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
references_dts0.dts dtc: Handle linux,phandle properties which self-reference 2008-11-17 14:05:48 -06:00
reg-ranges-root.dts dtc: Add a testcase for 'reg' or 'ranges' in / 2008-06-02 15:20:08 -05:00
reuse-label.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
reuse-label1.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
reuse-label2.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
reuse-label3.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
reuse-label4.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
reuse-label5.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
reuse-label6.dts Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
root_node.c libfdt: Abolish fdt_offset_ptr_typed() 2007-11-20 09:01:29 -06:00
run_tests.sh Disallow re-use of the same label within a dts file 2010-02-23 09:04:48 -06:00
rw_tree1.c libfdt: Fix bug in fdt_subnode_offset_namelen() 2008-11-05 08:12:10 -06:00
set_name.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
setprop.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
setprop_inplace.c libfdt: Abolish _typed() variants, add _cell() variants 2007-11-20 09:00:37 -06:00
string_escapes.c dtc: Improve -Odts output 2007-10-17 07:14:38 -05:00
subnode_offset.c libfdt: Fix bug in fdt_subnode_offset_namelen() 2008-11-05 08:12:10 -06:00
supernode_atdepth_offset.c dtc: Make many functions 'static' 2008-08-13 13:04:39 -05:00
sw_tree1.c Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
test01.asm Add some initial test cases. 2007-02-15 11:02:44 -06:00
test01.dts Remove support for the legacy DTS source file format. 2008-10-03 16:09:34 -05:00
test01.stderr Add some initial test cases. 2007-02-15 11:02:44 -06:00
test_kernel_dts Add a script that compares an "old" and "new" dtc results. 2007-11-20 09:14:03 -06:00
test_tree1.dts Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
test_tree1_dts0.dts libfdt: Fix bug in fdt_subnode_offset_namelen() 2008-11-05 08:12:10 -06:00
testdata.h dtc: Address an assortment of portability problems 2008-07-14 12:21:18 -05:00
tests.h dtc: Add testcases for labels within values 2009-02-03 08:38:05 -06:00
tests.sh dtc: Remove some small bashisms from test scripts 2008-05-29 08:16:03 -05:00
testutils.c dtc: Enable and fix -Wpointer-arith warnings 2008-07-14 12:36:08 -05:00
trees.S Support ePAPR compliant phandle properties 2009-11-26 15:06:17 -06:00
truncated_property.c dtc: Optimise by default, fix warnings thus uncovered 2007-08-31 08:34:18 -05:00
value-labels.c Fix dtc bugs for 64-bit compile 2009-11-11 21:41:14 -06:00
value-labels.dts dtc: Add testcases for labels within values 2009-02-03 08:38:05 -06:00
zero-phandle.dts dtc: Add testcases for tree checks 2007-11-20 09:03:51 -06:00