Mercurial Mercurial > oss > FCL > sf > os > osrndtools / diff
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
debugsrv/runmodedebug/tsrc/rm_debug/debug_targets/d_rmdebug_step_test.s
changeset 56 aa2539c91954 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/debugsrv/runmodedebug/tsrc/rm_debug/debug_targets/d_rmdebug_step_test.s	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,268 @@
+; Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
+; All rights reserved.
+; This component and the accompanying materials are made available
+; under the terms of "Eclipse Public License v1.0"
+; which accompanies this distribution, and is available
+; at the URL "http://www.eclipse.org/legal/epl-v10.html".
+;
+; Initial Contributors:
+; Nokia Corporation - initial contribution.
+;
+; Contributors:
+;
+; Description:
+; 
+;
+
+        
+		AREA |d-rmdebug-step$$Code|, CODE, READONLY, ALIGN=6
+
+	CODE32
+
+	; ARM tests
+	
+; 
+; Non-PC modifying
+;
+	EXPORT RMDebug_StepTest_Non_PC_Modifying
+	EXPORT RMDebug_StepTest_Non_PC_Modifying_OK
+ 
+RMDebug_StepTest_Non_PC_Modifying
+	mov		r0,r0		; nop
+RMDebug_StepTest_Non_PC_Modifying_OK
+	bx		lr			; should return to normal execution of the test thread
+
+;
+; Branch
+;
+	EXPORT RMDebug_StepTest_Branch
+	EXPORT RMDebug_StepTest_Branch_1
+
+RMDebug_StepTest_Branch
+	b		RMDebug_StepTest_Branch_1		
+	mov		r0, #2		; if the pc ends up here, we know its gone wrong
+RMDebug_StepTest_Branch_1
+	bx		lr			; return
+
+;
+; Branch and Link
+;
+	EXPORT RMDebug_StepTest_Branch_And_Link
+	EXPORT RMDebug_StepTest_Branch_And_Link_1
+	EXPORT RMDebug_StepTest_Branch_And_Link_2
+
+RMDebug_StepTest_Branch_And_Link		
+	mov		r0, lr		; preserve lr for the moment
+RMDebug_StepTest_Branch_And_Link_1
+	bl		RMDebug_StepTest_Branch_And_Link_2
+	mov		r1, #1		; insert a gap in the instruction stream so we know we branched.
+RMDebug_StepTest_Branch_And_Link_2
+	mov		lr, r0		; restore lr			
+	bx		lr			; should return to normal execution of the test thread
+
+;
+; MOV PC
+;
+	EXPORT RMDebug_StepTest_MOV_PC
+	EXPORT RMDebug_StepTest_MOV_PC_1
+	EXPORT RMDebug_StepTest_MOV_PC_2
+
+RMDebug_StepTest_MOV_PC
+	mov		r0, #4
+RMDebug_StepTest_MOV_PC_1
+	add		pc, pc, r0	; should be a jump (bear in mind reading pc = current inst + 8bytes for arm)
+	mov		r0, #1		; Simple instructions which allow us to test where the PC really is
+	mov		r0, #2		; just by reading r0.
+RMDebug_StepTest_MOV_PC_2
+	mov		r0, #3		; 
+	mov		r0, #4		; 
+	bx		lr			; should return to normal execution of the test thread
+
+; 
+; LDR PC
+;
+	EXPORT RMDebug_StepTest_LDR_PC
+	EXPORT RMDebug_StepTest_LDR_PC_1
+
+RMDebug_StepTest_LDR_PC
+	ldr		pc, =RMDebug_StepTest_LDR_PC_1
+	mov		r0, #1		;  separate the branch target so we can prove it works
+RMDebug_StepTest_LDR_PC_1
+	bx		lr			; should return to normal execution of the test thread
+	
+;
+; ARM -> Thumb -> ARM interworking test
+;
+; Note: We always start and finish this test
+; in ARM mode.
+	EXPORT RMDebug_StepTest_Interwork
+	EXPORT RMDebug_StepTest_Interwork_1
+	EXPORT RMDebug_StepTest_Interwork_2
+	EXPORT RMDebug_StepTest_Interwork_3	
+RMDebug_StepTest_Interwork
+	mov		r0, lr	; preserve lr
+RMDebug_StepTest_Interwork_1
+	blx		RMDebug_StepTest_Interwork_2
+
+	CODE16
+RMDebug_StepTest_Interwork_2
+	blx		RMDebug_StepTest_Interwork_3
+
+	CODE32
+
+RMDebug_StepTest_Interwork_3
+	bx		r0
+
+;
+; Stepping performance tests
+;
+; This counts down from 100000 to 0
+; This means that for all practical purposes
+; we can single-step as much as we like
+; in less than one second and have some likelyhood
+; that we will not step too far from our loop
+
+	EXPORT RMDebug_StepTest_Count
+	EXPORT RMDebug_StepTest_Count_1
+	EXPORT RMDebug_StepTest_Count_2
+
+RMDebug_StepTest_Count
+	ldr		r2, =100000
+RMDebug_StepTest_Count_1
+	subs	r2, r2, #1
+RMDebug_StepTest_Count_2
+	bne		RMDebug_StepTest_Count_1
+	bx		lr
+
+; Thumb tests
+
+; Thumb non-pc modifying
+;
+;
+RMDebug_StepTest_Thumb_Non_PC_Modifying
+	mov		r0, lr	; preserve lr
+	blx		RMDebug_StepTest_Thumb_Non_PC_Modifying_1
+	bx		r0
+
+;
+; Thumb Branch
+;
+RMDebug_StepTest_Thumb_Branch
+	mov		r0, lr	; preserve lr
+	blx		RMDebug_StepTest_Thumb_Branch_1
+	bx		r0		
+
+;
+; Thumb Branch and link
+;
+RMDebug_StepTest_Thumb_Branch_And_Link
+	mov		r0, lr	; preserve lr
+	blx		RMDebug_StepTest_Thumb_Branch_And_Link_1
+	bx		r0 
+
+;
+; Thumb Back Branch and link
+;
+RMDebug_StepTest_Thumb_Back_Branch_And_Link
+	mov		r0, lr	; preserve lr
+	blx		RMDebug_StepTest_Thumb_Back_Branch_And_Link_1
+	bx		r0 
+
+;
+; Thumb ADD PC,PC, #0
+;
+RMDebug_StepTest_Thumb_AddPC
+	mov		r0, lr	; preserve lr
+	blx		RMDebug_StepTest_Thumb_AddPC_1
+	bx		r0 
+
+	CODE16
+
+	; Thumb tests
+	EXPORT RMDebug_StepTest_Thumb_Non_PC_Modifying
+	EXPORT RMDebug_StepTest_Thumb_Non_PC_Modifying_1
+	EXPORT RMDebug_StepTest_Thumb_Non_PC_Modifying_2
+
+	EXPORT RMDebug_StepTest_Thumb_Branch
+	EXPORT RMDebug_StepTest_Thumb_Branch_1
+	EXPORT RMDebug_StepTest_Thumb_Branch_2
+
+	EXPORT RMDebug_StepTest_Thumb_Branch_And_Link
+	EXPORT RMDebug_StepTest_Thumb_Branch_And_Link_1
+	EXPORT RMDebug_StepTest_Thumb_Branch_And_Link_2
+	EXPORT RMDebug_StepTest_Thumb_Branch_And_Link_3
+
+	EXPORT RMDebug_StepTest_Thumb_Back_Branch_And_Link
+	EXPORT RMDebug_StepTest_Thumb_Back_Branch_And_Link_1
+	EXPORT RMDebug_StepTest_Thumb_Back_Branch_And_Link_2
+	EXPORT RMDebug_StepTest_Thumb_Back_Branch_And_Link_3
+
+RMDebug_StepTest_Thumb_Non_PC_Modifying_1
+	mov		r0, r0	; nop
+RMDebug_StepTest_Thumb_Non_PC_Modifying_2
+	bx		lr	
+
+RMDebug_StepTest_Thumb_Branch_1
+	b		RMDebug_StepTest_Thumb_Branch_2
+	mov		r0, r0
+RMDebug_StepTest_Thumb_Branch_2
+	bx		lr
+
+RMDebug_StepTest_Thumb_Branch_And_Link_1
+	mov		r1, lr
+RMDebug_StepTest_Thumb_Branch_And_Link_2
+	bl		RMDebug_StepTest_Thumb_Branch_And_Link_3
+	mov		r0, r0
+RMDebug_StepTest_Thumb_Branch_And_Link_3
+	bx		r1
+
+RMDebug_StepTest_Thumb_Back_Branch_And_Link_3
+	bx		r1
+
+RMDebug_StepTest_Thumb_Back_Branch_And_Link_1
+	mov		r1, lr
+RMDebug_StepTest_Thumb_Back_Branch_And_Link_2
+	bl		RMDebug_StepTest_Thumb_Back_Branch_And_Link_3
+	bx		r1
+
+;
+; ADD PC
+;
+	EXPORT RMDebug_StepTest_Thumb_AddPC
+	EXPORT RMDebug_StepTest_Thumb_AddPC_1
+	EXPORT RMDebug_StepTest_Thumb_AddPC_2
+	EXPORT RMDebug_StepTest_Thumb_AddPC_3
+
+RMDebug_StepTest_Thumb_AddPC_1
+	mov		r1, lr
+	mov		r2, #4
+RMDebug_StepTest_Thumb_AddPC_2
+	add		pc, pc, r2	; should arrive at RMDebug_StepTest_Thumb_AddPC_3
+	mov		r0, r0
+	mov		r0, r0
+	mov		r0, r0
+RMDebug_StepTest_Thumb_AddPC_3
+	bx		r1
+
+	ALIGN 4
+
+	CODE32
+
+;
+; ARM multiple-step ( 5 steps )
+;
+	EXPORT RMDebug_StepTest_ARM_Step_Multiple
+	EXPORT RMDebug_StepTest_ARM_Step_Multiple_1
+
+RMDebug_StepTest_ARM_Step_Multiple
+	mov		r0,r0		; nop
+	mov		r0,r0		; nop
+	mov		r0,r0		; nop
+	mov		r0,r0		; nop
+	mov		r0,r0		; nop
+RMDebug_StepTest_ARM_Step_Multiple_1
+	bx		lr
+
+	END
+
+; End of file - d_rmdebug_step_test.s
FCL/sf/os/osrndtools