| # mach: bpf |
| # output: pass\nexit 0 (0x0)\n |
| ;;; jmp.s |
| ;;; Tests for eBPF JMP instructions in simulator |
| |
| .include "testutils.inc" |
| |
| .text |
| .global main |
| .type main, @function |
| main: |
| mov %r1, 5 |
| mov %r2, 2 |
| mov %r3, 7 |
| mov %r4, -1 |
| |
| ;; ja - jump absolute (unconditional) |
| ja 2f |
| 1: fail |
| |
| 2: ;; jeq - jump eq |
| jeq %r1, 4, 1b ; no |
| jeq %r1, %r2, 1b ; no |
| jeq %r1, 5, 2f ; yes |
| fail |
| 2: jeq %r1, %r1, 2f ; yes |
| fail |
| |
| 2: ;; jgt - jump (unsigned) greater-than |
| jgt %r1, 6, 1b ; no |
| jgt %r1, -5, 1b ; no - unsigned |
| jgt %r1, %r4, 1b ; no - unsigned |
| jgt %r1, 4, 2f ; yes |
| fail |
| 2: jgt %r1, %r2, 2f ; yes |
| fail |
| |
| 2: ;; jge - jump (unsigned) greater-than-or-equal-to |
| jge %r1, 6, 1b ; no |
| jge %r1, 5, 2f ; yes |
| fail |
| 2: jge %r1, %r3, 1b ; no |
| jge %r1, -5, 1b ; no - unsigned |
| jge %r1, %r2, 2f ; yes |
| fail |
| |
| 2: ;; jlt - jump (unsigned) less-than |
| jlt %r1, 5, 1b ; no |
| jlt %r1, %r2, 1b ; no |
| jlt %r4, %r1, 1b ; no - unsigned |
| jlt %r1, 6, 2f ; yes |
| fail |
| 2: |
| jlt %r1, %r3, 2f ; yes |
| fail |
| |
| 2: ;; jle - jump (unsigned) less-than-or-equal-to |
| jle %r1, 4, 1b ; no |
| jle %r1, %r2, 1b ; no |
| jle %r4, %r1, 1b ; no |
| jle %r1, 5, 2f ; yes |
| fail |
| 2: jle %r1, %r1, 2f ; yes |
| fail |
| |
| 2: ;; jset - jump "test" (AND) |
| jset %r1, 2, 1b ; no (5 & 2 = 0) |
| jset %r1, %r2, 1b ; no (same) |
| jset %r1, 4, 2f ; yes (5 & 4 != 0) |
| fail |
| |
| 2: ;; jne - jump not-equal-to |
| jne %r1, 5, 1b ; no |
| jne %r1, %r1, 1b ; no |
| jne %r1, 6, 2f ; yes |
| fail |
| 2: jne %r1, %r4, 2f ; yes |
| fail |
| |
| 2: ;; jsgt - jump (signed) greater-than |
| jsgt %r1, %r3, 1b ; no |
| jsgt %r1, %r1, 1b ; no |
| jsgt %r1, 5, 1b ; no |
| jsgt %r1, -4, 2f ; yes |
| fail |
| 2: jsgt %r1, %r4, 2f ; yes |
| fail |
| |
| 2: ;; jsge - jump (signed) greater-than-or-equal-to |
| jsge %r1, %r3, 1b ; no |
| jsge %r1, %r1, 2f ; yes |
| fail |
| 2: jsge %r1, 7, 1b ; no |
| jsge %r1, -4, 2f ; yes |
| fail |
| 2: jsge %r1, %r4, 2f ; yes |
| fail |
| |
| 2: ;; jslt - jump (signed) less-than |
| jslt %r1, 5, 1b ; no |
| jslt %r1, %r2, 1b ; no |
| jslt %r4, %r1, 2f ; yes |
| fail |
| 2: jslt %r1, 6, 2f ; yes |
| fail |
| 2: jslt %r1, %r3, 2f ; yes |
| fail |
| |
| 2: ;; jsle - jump (signed) less-than-or-equal-to |
| jsle %r1, 4, 1b ; no |
| jsle %r1, %r2, 1b ; no |
| jsle %r4, %r1, 2f ; yes |
| fail |
| 2: jsle %r1, 5, 2f ; yes |
| fail |
| 2: jsle %r1, %r3, 2f ; yes |
| fail |
| |
| 2: |
| pass |