Print symbol names in comments for LDS/STS disassembly.

This patch adds default data address space origin (0x800000) to the symbol addresses.
when disassemble lds/sts instructions. So that symbol names shall be printed in comments
for lds/sts instructions disassemble.

ld/
	* testsuite/ld-avr/lds-mega.d: New test.
	* testsuite/ld-avr/lds-mega.s: New test source.
	* testsuite/ld-avr/lds-tiny.d: New test.
	* testsuite/ld-avr/lds-tiny.s: New test source.

opcodes/
	* avr-dis.c (avr_operand): Add default data address space origin (0x800000) to the
	address and set as symbol address for LDS/ STS immediate operands.

5 files changed, 81 insertions, 0 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 1e28252..cbb98e3 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2016-06-09  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+	* testsuite/ld-avr/lds-mega.d: New test.
+	* testsuite/ld-avr/lds-mega.s: New test source.
+	* testsuite/ld-avr/lds-tiny.d: New test.
+	* testsuite/ld-avr/lds-tiny.s: New test source.
+
 2016-06-08  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* testsuite/ld-x86-64/tls.exp (run_cc_link_tests): Update test
diff --git a/ld/testsuite/ld-avr/lds-mega.d b/ld/testsuite/ld-avr/lds-mega.d
new file mode 100644
index 0000000..078bf73
--- /dev/null
+++ b/ld/testsuite/ld-avr/lds-mega.d
@@ -0,0 +1,23 @@
+#name: AVR (avr51) check disassembly if symbolic name present
+#as: -mavr51
+#ld: -mavr51
+#source: lds-mega.s
+#objdump: -d
+#target: avr-*-*
+
+.*:     file format elf32-avr
+
+
+Disassembly of section .text:
+
+00000000 <main>:
+   0:	80 91 00 01 	lds	r24, 0x0100	; 0x800100 <_edata>
+   4:	08 2e       	mov	r0, r24
+   6:	00 0c       	add	r0, r0
+   8:	99 0b       	sbc	r25, r25
+   a:	90 93 03 01 	sts	0x0103, r25	; 0x800103 <myvar2\+0x1>
+   e:	80 93 02 01 	sts	0x0102, r24	; 0x800102 <myvar2>
+  12:	80 e0       	ldi	r24, 0x00	; 0
+  14:	90 e0       	ldi	r25, 0x00	; 0
+  16:	08 95       	ret
+
diff --git a/ld/testsuite/ld-avr/lds-mega.s b/ld/testsuite/ld-avr/lds-mega.s
new file mode 100644
index 0000000..6f6e0df
--- /dev/null
+++ b/ld/testsuite/ld-avr/lds-mega.s
@@ -0,0 +1,20 @@
+	.file	"lds-mega.s"
+__tmp_reg__ = 0
+	.text
+.global	main
+	.type	main, @function
+main:
+.L__stack_usage = 0
+	lds r24,256
+	mov __tmp_reg__,r24
+	lsl r0
+	sbc r25,r25
+	sts myvar2+1,r25
+	sts myvar2,r24
+	ldi r24,0
+	ldi r25,0
+	ret
+	.size	main, .-main
+	.comm	myvar2,2,1
+	.comm	myvar1,2,1
+
diff --git a/ld/testsuite/ld-avr/lds-tiny.d b/ld/testsuite/ld-avr/lds-tiny.d
new file mode 100644
index 0000000..405546a
--- /dev/null
+++ b/ld/testsuite/ld-avr/lds-tiny.d
@@ -0,0 +1,18 @@
+#name: AVR (avrtiny) check disassembly if symbolic name present
+#as: -mavrtiny
+#ld: -mavrtiny
+#objdump: -d
+#source: lds-tiny.s
+#target: avr-*-*
+
+.*:     file format elf32-avr
+
+
+Disassembly of section .text:
+
+00000000 <main>:
+   0:	20 a1       	lds	r18, 0x40	; 0x800040 <_edata>
+   2:	42 a1       	lds	r20, 0x42	; 0x800042 <myvar2\+0x1>
+   4:	53 a1       	lds	r21, 0x43	; 0x800043 <_end>
+   6:	08 95       	ret
+
diff --git a/ld/testsuite/ld-avr/lds-tiny.s b/ld/testsuite/ld-avr/lds-tiny.s
new file mode 100644
index 0000000..5e34141
--- /dev/null
+++ b/ld/testsuite/ld-avr/lds-tiny.s
@@ -0,0 +1,14 @@
+	.file	"lds-tiny.s"
+	.text
+.global	main
+	.type	main, @function
+main:
+.L__stack_usage = 0
+	lds r18, 0x40
+    lds r20, 0x42
+    lds r21, 0x43
+	ret
+	.size	main, .-main
+	.comm	myvar1,1,1
+    .comm	myvar2,2,1
+