src/trusted/validator_arm/testdata-thumb/it_test.S - Issue 7799013: Intial Thumb2 Sandbox (naclrev 6680)

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Issue 7799013: Intial Thumb2 Sandbox (naclrev 6680) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client

Patch Set: fix comma Created 9 years, 3 months ago

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	1 #include "masks.h"

	2 .syntax unified

	3 .code 16

	4 .thumb_func

	5 .global _start

	6 _start:

	7 // Test legit behavior

	8 cmp r0, r0

	9 ite eq

	10 moveq r0, r0

	11 movne r0, r0

	12

	13 // Pad to right before bundle boundary

	14 mov r0, r0

	15 mov r0, r0

	16 mov r0, r0

	17

	18 // Test bundle issues.

	19 ite ne

	20 movne r0, r0

	21 moveq r0, r0

	22

	23 // Next bundle

	24 mov r0, r0

	25 mov r0, r0

	26 mov r0, r0

	27 mov r0, r0

	28 mov r0, r0

	29 mov r0, r0

	30

	31

	32 // Test legal branch

	33 ittt ne

	34 bicne r0, HIGH_TWO

	35 orrne r0, LOW_FOUR

	36 bxne r0

	37

	38 // Moving to next bundle for room...

	39 mov r0, r0

	40 mov r0, r0

	41

	42 // Test illegal branch

	43 itet eq

	44 biceq r0, HIGH_TWO

	45 orrne r0, LOW_FOUR

	46 bxeq r0

	47

	48 // Moving to the next bundle again

	49 // (and partway in so we're not always aligned)

	50 mov r0, r0

	51 mov r0, r0

	52 mov r0, r0

	53 mov r0, r0

	54

	55 // Test legal data write

	56 itt cc

	57 biccc r0, HIGH_TWO

	58 strcc r1, [r0]

	59

	60 // Pad

	61 mov r0, r0

	62 mov r0, r0

	63

	64 // Test illegal data write

	65 ite cc

	66 biccc r0, HIGH_TWO

	67 strcs r1, [r0]

	68

	69 // TODO(mrm) Manually add a sequence that will fire the it_safety issue.
	bsy 2011/09/21 22:32:17 mrm mrm
	70 // Not doing this now because the assembler will reject all such sequences,

	71 // so I will have to enter the hex manually.

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