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- # mach: bpf
- # output: pass\nexit 0 (0x0)\n
- ;;; mem.s
- ;;; Tests for BPF memory (ldx, stx, ..) instructions in simulator
- .include "testutils.inc"
- .text
- .global main
- .type main, @function
- main:
- lddw %r1, 0x1234deadbeef5678
- mov %r2, 0x1000
- ;; basic store/load check
- stxb [%r2+0], %r1
- stxh [%r2+2], %r1
- stxw [%r2+4], %r1
- stxdw [%r2+8], %r1
- stb [%r2+16], 0x5a
- sth [%r2+18], 0xcafe
- stw [%r2+20], 0xbeefface
- stdw [%r2+24], 0x7eadbeef
- ldxb %r1, [%r2+16]
- fail_ne %r1, 0x5a
- ldxh %r1, [%r2+18]
- fail_ne %r1, 0xffffffffffffcafe
- ldxw %r1, [%r2+20]
- fail_ne %r1, 0xffffffffbeefface
- ldxdw %r1, [%r2+24]
- fail_ne %r1, 0x7eadbeef
- ldxb %r3, [%r2+0]
- fail_ne %r3, 0x78
- ldxh %r3, [%r2+2]
- fail_ne %r3, 0x5678
- ldxw %r3, [%r2+4]
- fail_ne %r3, 0xffffffffbeef5678
- ldxdw %r3, [%r2+8]
- fail_ne %r3, 0x1234deadbeef5678
- ldxw %r4, [%r2+10]
- fail_ne %r4, 0xffffffffdeadbeef
- ;; negative offsets
- add %r2, 16
- ldxh %r5, [%r2+-14]
- fail_ne %r5, 0x5678
- ldxw %r5, [%r2+-12]
- fail_ne %r5, 0xffffffffbeef5678
- ldxdw %r5, [%r2+-8]
- fail_ne %r5, 0x1234deadbeef5678
- pass
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