# mach: bpf # output: pass\nexit 0 (0x0)\n ;;; jmp32.s ;;; Tests for eBPF JMP32 instructions in simulator .include "testutils.inc" .text .global main .type main, @function main: mov32 %r1, 5 mov32 %r2, 2 mov32 %r3, 7 mov32 %r4, -1 ;; ja - jump absolute (unconditional) ja 2f 1: fail 2: ;; jeq - jump eq jeq32 %r1, 4, 1b ; no jeq32 %r1, %r2, 1b ; no jeq32 %r1, 5, 2f ; yes fail 2: jeq32 %r1, %r1, 2f ; yes fail 2: ;; jgt - jump (unsigned) greater-than jgt32 %r1, 6, 1b ; no jgt32 %r1, -5, 1b ; no - unsigned jgt32 %r1, %r4, 1b ; no - unsigned jgt32 %r1, 4, 2f ; yes fail 2: jgt32 %r1, %r2, 2f ; yes fail 2: ;; jge - jump (unsigned) greater-than-or-equal-to jge32 %r1, 6, 1b ; no jge32 %r1, 5, 2f ; yes fail 2: jge32 %r1, %r3, 1b ; no jge32 %r1, -5, 1b ; no - unsigned jge32 %r1, %r2, 2f ; yes fail 2: ;; jlt - jump (unsigned) less-than jlt32 %r1, 5, 1b ; no jlt32 %r1, %r2, 1b ; no jlt32 %r4, %r1, 1b ; no - unsigned jlt32 %r1, 6, 2f ; yes fail 2: jlt32 %r1, %r3, 2f ; yes fail 2: ;; jle - jump (unsigned) less-than-or-equal-to jle32 %r1, 4, 1b ; no jle32 %r1, %r2, 1b ; no jle32 %r4, %r1, 1b ; no jle32 %r1, 5, 2f ; yes fail 2: jle32 %r1, %r1, 2f ; yes fail 2: ;; jset - jump "test" (AND) jset32 %r1, 2, 1b ; no (5 & 2 = 0) jset32 %r1, %r2, 1b ; no (same) jset32 %r1, 4, 2f ; yes (5 & 4 != 0) fail 2: ;; jne - jump not-equal-to jne32 %r1, 5, 1b ; no jne32 %r1, %r1, 1b ; no jne32 %r1, 6, 2f ; yes fail 2: jne32 %r1, %r4, 2f ; yes fail 2: ;; jsgt - jump (signed) greater-than jsgt32 %r1, %r3, 1b ; no jsgt32 %r1, %r1, 1b ; no jsgt32 %r1, 5, 1b ; no jsgt32 %r1, -4, 2f ; yes fail 2: jsgt32 %r1, %r4, 2f ; yes fail 2: ;; jsge - jump (signed) greater-than-or-equal-to jsge32 %r1, %r3, 1b ; no jsge32 %r1, %r1, 2f ; yes fail 2: jsge32 %r1, 7, 1b ; no jsge32 %r1, -4, 2f ; yes fail 2: jsge32 %r1, %r4, 2f ; yes fail 2: ;; jslt - jump (signed) less-than jslt32 %r1, 5, 1b ; no jslt32 %r1, %r2, 1b ; no jslt32 %r4, %r1, 2f ; yes fail 2: jslt32 %r1, 6, 2f ; yes fail 2: jslt32 %r1, %r3, 2f ; yes fail 2: ;; jsle - jump (signed) less-than-or-equal-to jsle32 %r1, 4, 1b ; no jsle32 %r1, %r2, 1b ; no jsle32 %r4, %r1, 2f ; yes fail 2: jsle32 %r1, 5, 2f ; yes fail 2: jsle32 %r1, %r3, 2f ; yes fail 2: pass