| 1 | # mach: bpf |
| 2 | # output: pass\nexit 0 (0x0)\n |
| 3 | ;;; jmp.s |
| 4 | ;;; Tests for eBPF JMP instructions in simulator |
| 5 | |
| 6 | .include "testutils.inc" |
| 7 | |
| 8 | .text |
| 9 | .global main |
| 10 | .type main, @function |
| 11 | main: |
| 12 | mov %r1, 5 |
| 13 | mov %r2, 2 |
| 14 | mov %r3, 7 |
| 15 | mov %r4, -1 |
| 16 | |
| 17 | ;; ja - jump absolute (unconditional) |
| 18 | ja 2f |
| 19 | 1: fail |
| 20 | |
| 21 | 2: ;; jeq - jump eq |
| 22 | jeq %r1, 4, 1b ; no |
| 23 | jeq %r1, %r2, 1b ; no |
| 24 | jeq %r1, 5, 2f ; yes |
| 25 | fail |
| 26 | 2: jeq %r1, %r1, 2f ; yes |
| 27 | fail |
| 28 | |
| 29 | 2: ;; jgt - jump (unsigned) greater-than |
| 30 | jgt %r1, 6, 1b ; no |
| 31 | jgt %r1, -5, 1b ; no - unsigned |
| 32 | jgt %r1, %r4, 1b ; no - unsigned |
| 33 | jgt %r1, 4, 2f ; yes |
| 34 | fail |
| 35 | 2: jgt %r1, %r2, 2f ; yes |
| 36 | fail |
| 37 | |
| 38 | 2: ;; jge - jump (unsigned) greater-than-or-equal-to |
| 39 | jge %r1, 6, 1b ; no |
| 40 | jge %r1, 5, 2f ; yes |
| 41 | fail |
| 42 | 2: jge %r1, %r3, 1b ; no |
| 43 | jge %r1, -5, 1b ; no - unsigned |
| 44 | jge %r1, %r2, 2f ; yes |
| 45 | fail |
| 46 | |
| 47 | 2: ;; jlt - jump (unsigned) less-than |
| 48 | jlt %r1, 5, 1b ; no |
| 49 | jlt %r1, %r2, 1b ; no |
| 50 | jlt %r4, %r1, 1b ; no - unsigned |
| 51 | jlt %r1, 6, 2f ; yes |
| 52 | fail |
| 53 | 2: |
| 54 | jlt %r1, %r3, 2f ; yes |
| 55 | fail |
| 56 | |
| 57 | 2: ;; jle - jump (unsigned) less-than-or-equal-to |
| 58 | jle %r1, 4, 1b ; no |
| 59 | jle %r1, %r2, 1b ; no |
| 60 | jle %r4, %r1, 1b ; no |
| 61 | jle %r1, 5, 2f ; yes |
| 62 | fail |
| 63 | 2: jle %r1, %r1, 2f ; yes |
| 64 | fail |
| 65 | |
| 66 | 2: ;; jset - jump "test" (AND) |
| 67 | jset %r1, 2, 1b ; no (5 & 2 = 0) |
| 68 | jset %r1, %r2, 1b ; no (same) |
| 69 | jset %r1, 4, 2f ; yes (5 & 4 != 0) |
| 70 | fail |
| 71 | |
| 72 | 2: ;; jne - jump not-equal-to |
| 73 | jne %r1, 5, 1b ; no |
| 74 | jne %r1, %r1, 1b ; no |
| 75 | jne %r1, 6, 2f ; yes |
| 76 | fail |
| 77 | 2: jne %r1, %r4, 2f ; yes |
| 78 | fail |
| 79 | |
| 80 | 2: ;; jsgt - jump (signed) greater-than |
| 81 | jsgt %r1, %r3, 1b ; no |
| 82 | jsgt %r1, %r1, 1b ; no |
| 83 | jsgt %r1, 5, 1b ; no |
| 84 | jsgt %r1, -4, 2f ; yes |
| 85 | fail |
| 86 | 2: jsgt %r1, %r4, 2f ; yes |
| 87 | fail |
| 88 | |
| 89 | 2: ;; jsge - jump (signed) greater-than-or-equal-to |
| 90 | jsge %r1, %r3, 1b ; no |
| 91 | jsge %r1, %r1, 2f ; yes |
| 92 | fail |
| 93 | 2: jsge %r1, 7, 1b ; no |
| 94 | jsge %r1, -4, 2f ; yes |
| 95 | fail |
| 96 | 2: jsge %r1, %r4, 2f ; yes |
| 97 | fail |
| 98 | |
| 99 | 2: ;; jslt - jump (signed) less-than |
| 100 | jslt %r1, 5, 1b ; no |
| 101 | jslt %r1, %r2, 1b ; no |
| 102 | jslt %r4, %r1, 2f ; yes |
| 103 | fail |
| 104 | 2: jslt %r1, 6, 2f ; yes |
| 105 | fail |
| 106 | 2: jslt %r1, %r3, 2f ; yes |
| 107 | fail |
| 108 | |
| 109 | 2: ;; jsle - jump (signed) less-than-or-equal-to |
| 110 | jsle %r1, 4, 1b ; no |
| 111 | jsle %r1, %r2, 1b ; no |
| 112 | jsle %r4, %r1, 2f ; yes |
| 113 | fail |
| 114 | 2: jsle %r1, 5, 2f ; yes |
| 115 | fail |
| 116 | 2: jsle %r1, %r3, 2f ; yes |
| 117 | fail |
| 118 | |
| 119 | 2: |
| 120 | pass |