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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], -1091568946 /* 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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