regalign.cgs

gdb-6.8 Linux下的调试程序 最新版本

# frv testcase to generate interrupts for bad register alignment
# mach: frv
	.include "testutils.inc"

	start

	.global align
align:
	and_spr_immed	-4081,tbr		; clear tbr.tt
	set_gr_spr	tbr,gr17
	inc_gr_immed	0x080,gr17		; address of exception handler
	set_bctrlr_0_0  gr17
	inc_gr_immed	0x050,gr17		; address of exception handler
	set_bctrlr_0_0  gr17
	set_spr_immed	128,lcr
	set_spr_addr	ok1,lr
	set_psr_et	1

	; Make the the register number odd at bad[1-4], bad9 and bada.
	; We can't simply code an odd register number because the assembler
	; will catch the error.
	set_gr_mem	bad1,gr10
	or_gr_immed	0x02000000,gr10
	set_mem_gr	gr10,bad1
	set_gr_addr	bad1,gr10
	flush_data_cache gr10
	set_gr_mem	bad2,gr10
	or_gr_immed	0x02000000,gr10
	set_mem_gr	gr10,bad2
	set_gr_addr	bad2,gr10
	flush_data_cache gr10
	set_gr_mem	bad3,gr10
	or_gr_immed	0x02000000,gr10
	set_mem_gr	gr10,bad3
	set_gr_addr	bad3,gr10
	flush_data_cache gr10
	set_gr_mem	bad4,gr10
	or_gr_immed	0x02000000,gr10
	set_mem_gr	gr10,bad4
	set_gr_addr	bad4,gr10
	flush_data_cache gr10
	set_gr_mem	bad9,gr10
	or_gr_immed	0x02000000,gr10
	set_mem_gr	gr10,bad9
	set_gr_addr	bad9,gr10
	flush_data_cache gr10
	set_gr_mem	bada,gr10
	or_gr_immed	0x02000000,gr10
	set_mem_gr	gr10,bada
	set_gr_addr	bada,gr10
	flush_data_cache gr10

	set_gr_immed	4,gr20		; PC increment
	set_gr_immed	0,gr15
	inc_gr_immed	-12,sp		; for memory alignment

	set_gr_addr	bad1,gr17
bad1:	stdi	gr0,@(sp,0)		; misaligned reg
	test_gr_immed	1,gr15

	set_gr_addr	bad2,gr17
bad2:	lddi	@(sp,0),gr8		; misaligned reg
	test_gr_immed	2,gr15

	set_gr_addr	bad3,gr17
bad3:	stdc	cpr0,@(sp,gr0)		; misaligned reg
	test_gr_immed	3,gr15

	set_gr_addr	bad4,gr17
bad4:	lddc	@(sp,gr0),cpr8		; misaligned reg
	test_gr_immed	4,gr15

	set_gr_addr	bad5,gr17
bad5:	stqi	gr2,@(sp,0)		; misaligned reg
	test_gr_immed	5,gr15

	set_gr_addr	bad6,gr17
bad6:	ldqi	@(sp,0),gr10		; misaligned reg
	test_gr_immed	6,gr15

	set_gr_addr	bad7,gr17
bad7:	stqc	cpr2,@(sp,gr0)		; misaligned reg
	test_gr_immed	7,gr15

	set_gr_addr	bad8,gr17
bad8:	ldqc	@(sp,gr0),cpr10		; misaligned reg
	test_gr_immed   8,gr15

	set_gr_immed	0,gr20		; PC increment
	set_gr_addr	bad9,gr17
bad9:	stdfi	fr0,@(sp,0)		; misaligned reg
	test_gr_immed	9,gr15

	set_gr_addr	bada,gr17
bada:	lddfi	@(sp,0),fr8		; misaligned reg
	test_gr_immed	10,gr15

	set_gr_addr	badb,gr17
badb:	stqfi	fr2,@(sp,0)		; misaligned reg
	test_gr_immed   11,gr15

	set_gr_addr	badc,gr17
badc:	ldqfi	@(sp,0),fr10		; misaligned reg
	test_gr_immed	12,gr15

	pass

; exception handler
ok1:
	cmpi		gr20,0,icc0
	beq		icc0,0,float

	; check register_exception
	test_spr_immed	0x1,esfr1		; esr0 is active
	test_spr_gr	epcr0,gr17
	test_spr_bits	0x0001,0,0x1,esr0	; esr0 is valid
	test_spr_bits	0x003e,1,0xc,esr0	; esr0.ec is set
	test_spr_bits	0x00c0,6,0x1,esr0	; esr0.rec is set
	test_spr_bits	0x0800,11,0x0,esr0	; esr0.eav is not set
	movsg		pcsr,gr60
	add		gr60,gr20,gr60
	movgs		gr60,pcsr
	bra		ret
float:
	; check fp_exception
	test_spr_immed	0,esfr1			; no esr's active
ret:
	inc_gr_immed	1,gr15
	rett		0
	fail