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- # 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
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