2010-12-23 Yao Qi <yao@codesourcery.com>

	* gdb.arch/arm-disp-step.exp: New.
	* gdb.arch/arm-disp-step.S: New.

1 files changed, 120 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.arch/arm-disp-step.S b/gdb/testsuite/gdb.arch/arm-disp-step.S
new file mode 100644
index 0000000..d748718
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/arm-disp-step.S
@@ -0,0 +1,120 @@
+/* Copyright 2010 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+	.syntax unified
+	.text
+	.type main,%function
+#if defined (__thumb__) || defined (__thumb2__)
+	.code   16
+	.thumb_func
+#endif
+	.globl main
+main:
+	push {r7, lr}
+	add     sp, sp, #4
+	mov	r7, sp
+
+	
+	/* Test call and return */	
+	.global test_call
+test_call:
+	bl test_call_subr
+        .global test_ret_end
+test_ret_end:
+	nop			@ Location test_ret_end
+	
+	/* Test branch */
+	bl test_branch
+
+	/* Test ldr from pc */
+	bl test_ldr_pc
+
+	/* Test ldm/stm only in ARM mode */
+#if !defined (__thumb__) && !defined (__thumb2__)
+	bl test_ldm_stm_pc
+#endif
+
+	/* Return */
+	mov     sp, r7
+	sub     sp, sp, #4
+	movs 	r0, #0
+	pop	{r7, pc}
+	.size main, .-main
+	
+	.global test_call_subr
+#if defined (__thumb__) || defined (__thumb2__)
+	.code   16
+	.thumb_func
+#endif
+	.type test_call_subr, %function
+test_call_subr:
+	nop
+        .global test_call_end
+test_call_end:
+        nop			@ Location test_call_end
+        .global test_ret
+test_ret:
+        bx lr
+	.size test_call_subr, .-test_call_subr
+
+	
+	.global test_branch
+#if defined (__thumb__) || defined (__thumb2__)
+	.code   16
+	.thumb_func
+#endif
+	.type test_branch, %function
+test_branch:
+	b	L_branch
+	.global
+L_branch:
+	bx lr
+	.size test_branch, .-test_branch
+
+	.global test_ldr_pc
+#if defined (__thumb__) || defined (__thumb2__)
+	.code   16
+	.thumb_func
+#endif
+	.type test_ldr_pc, %function
+test_ldr_pc:
+	ldr	r1, [pc, #0]
+
+	.global
+test_ldr_pc_ret:
+	bx lr
+	.size test_ldr_pc, .-test_ldr_pc
+
+#if !defined (__thumb__) && !defined (__thumb2__)
+	.global test_ldm_stm_pc
+	.type test_ldm_stm_pc, %function
+test_ldm_stm_pc:
+	stmdb	sp!, {lr, pc}
+	ldmia	sp!, {r0, r1}
+	ldr	r0, .L1
+	stmdb	sp!, {r0}
+	.global
+test_ldm_pc:
+	ldmia	sp!, {pc}
+	.global
+test_ldm_stm_pc_ret:
+	bx lr
+	.align	2
+.L1:
+	.word	test_ldm_stm_pc_ret
+	.size test_ldm_stm_pc, .-test_ldm_stm_pc
+#endif