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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
|
