以下的ARM代码在干什么 andeq r4,r0,r8,ror r7 add r12,r0,#0x800000 tst r12,#0x7f000000 beq 0x65ab4 movs r1,r0,asr #3 mov r0,r0,lsl #29 add r1,r1,#0x38000000 bxpl r14 sub r1,r1,#0x70000000 bx r14 tst r12,#0x800000 beq 0x65ad8 mov r1,r0 movs r0,r0,lsl #1 bxeq r14 and r2,r1,#0x80000000 add r3,r2,#0x36800000 mov r1,r1,lsl #3 b 0x652dc movs r2,r0,lsl #9 ldr r12,0x00065af4 ; = #0x04000018 bne 0x65e38 b 0x65ae8 orr r1,r0,#0x700000 mov r0,r2 bx r14
bx pc stmfd r13!,{r4-r6,r14} ldr r12,0x000656e0 ; = #0x07ff0000 bics r14,r12,r1,lsr #4 bicnes r14,r12,r3,lsr #4 beq 0x6568c and r14,r12,r1,lsr #4 eor r5,r1,r3 orr r14,r14,r5,lsr #31 ands r5,r12,r3,lsr #4 tstne r1,r12,lsl #4 beq 0x65564 orrs r4,r0,r1,lsl #1 orrnes r4,r2,r3,lsl #1 beq 0x65584 tst r5,r5 beq 0x65610 bics r4,r14,#1 beq 0x65594 b 0x6545c mov r0,#0 mov r1,r14,lsl #31 ldmfd r13!,{r4-r6,r14} bx r14
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