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| (Empty) | |
| 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(jasonwkim) Manually add a sequence that will fire the it_safety issue. |
| 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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Chromium Code Reviews
Issue 7799013:
Intial Thumb2 Sandbox (naclrev 6680)
Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client