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Add bpfjit_cop_copx and bpfjit_copx_cop tests.

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This commit is contained in:
alnsn 2014-07-13 21:35:33 +00:00
parent 6cec57b17e
commit 2b2f4a0ebe
2 changed files with 182 additions and 4 deletions
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89
tests/lib/libbpfjit/t_cop.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: t_cop.c,v 1.3 2014/07/08 21:13:01 alnsn Exp $ */
/* $NetBSD: t_cop.c,v 1.4 2014/07/13 21:35:33 alnsn Exp $ */
/*-
* Copyright (c) 2013-2014 Alexander Nasonov.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_cop.c,v 1.3 2014/07/08 21:13:01 alnsn Exp $");
__RCSID("$NetBSD: t_cop.c,v 1.4 2014/07/13 21:35:33 alnsn Exp $");
#include <atf-c.h>
#include <stdint.h>
@ -296,6 +296,45 @@ ATF_TC_BODY(libbpfjit_cop_side_effect, tc)
bpfjit_free_code(code);
}
ATF_TC(libbpfjit_cop_copx);
ATF_TC_HEAD(libbpfjit_cop_copx, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test BPF_COP call followed by BPF_COPX call");
}
ATF_TC_BODY(libbpfjit_cop_copx, tc)
{
static struct bpf_insn insns[] = {
BPF_STMT(BPF_LD+BPF_IMM, 1), /* A <- 1 */
BPF_STMT(BPF_MISC+BPF_COP, 0), /* retA */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 0), /* A = P[0] */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_MISC+BPF_COPX, 0), /* retNF */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_RET+BPF_A, 0)
};
bpfjit_func_t code;
uint8_t pkt[1] = { 2 };
bpf_args_t args = {
.pkt = pkt,
.buflen = sizeof(pkt),
.wirelen = sizeof(pkt),
};
size_t insn_count = sizeof(insns) / sizeof(insns[0]);
code = bpfjit_generate_code(&ctx, insns, insn_count);
ATF_REQUIRE(code != NULL);
ATF_CHECK(code(&ctx, &args) == 3 + ctx.nfuncs);
bpfjit_free_code(code);
}
ATF_TC(libbpfjit_cop_invalid_index);
ATF_TC_HEAD(libbpfjit_cop_invalid_index, tc)
{
@ -516,6 +555,46 @@ ATF_TC_BODY(libbpfjit_copx_side_effect, tc)
bpfjit_free_code(code);
}
ATF_TC(libbpfjit_copx_cop);
ATF_TC_HEAD(libbpfjit_copx_cop, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test BPF_COPX call followed by BPF_COP call");
}
ATF_TC_BODY(libbpfjit_copx_cop, tc)
{
static struct bpf_insn insns[] = {
BPF_STMT(BPF_LDX+BPF_IMM, 2), /* X <- 2 */
BPF_STMT(BPF_MISC+BPF_COPX, 0), /* retWL */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 0), /* A = P[0] */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_MISC+BPF_COP, 3), /* retNF */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_RET+BPF_A, 0)
};
bpfjit_func_t code;
uint8_t pkt[1] = { 2 };
bpf_args_t args = {
.pkt = pkt,
.buflen = sizeof(pkt),
.wirelen = sizeof(pkt),
};
size_t insn_count = sizeof(insns) / sizeof(insns[0]);
code = bpfjit_generate_code(&ctx, insns, insn_count);
ATF_REQUIRE(code != NULL);
ATF_CHECK(code(&ctx, &args) == 5 + ctx.nfuncs);
bpfjit_free_code(code);
}
ATF_TC(libbpfjit_copx_invalid_index);
ATF_TC_HEAD(libbpfjit_copx_invalid_index, tc)
{
@ -552,12 +631,17 @@ ATF_TC_BODY(libbpfjit_copx_invalid_index, tc)
ATF_TP_ADD_TCS(tp)
{
/*
* For every new test please also add a similar test
* to ../../net/bpfjit/t_cop.c
*/
ATF_TP_ADD_TC(tp, libbpfjit_cop_no_ctx);
ATF_TP_ADD_TC(tp, libbpfjit_cop_ret_A);
ATF_TP_ADD_TC(tp, libbpfjit_cop_ret_buflen);
ATF_TP_ADD_TC(tp, libbpfjit_cop_ret_wirelen);
ATF_TP_ADD_TC(tp, libbpfjit_cop_ret_nfuncs);
ATF_TP_ADD_TC(tp, libbpfjit_cop_side_effect);
ATF_TP_ADD_TC(tp, libbpfjit_cop_copx);
ATF_TP_ADD_TC(tp, libbpfjit_cop_invalid_index);
ATF_TP_ADD_TC(tp, libbpfjit_copx_no_ctx);
@ -566,6 +650,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, libbpfjit_copx_ret_wirelen);
ATF_TP_ADD_TC(tp, libbpfjit_copx_ret_nfuncs);
ATF_TP_ADD_TC(tp, libbpfjit_copx_side_effect);
ATF_TP_ADD_TC(tp, libbpfjit_copx_cop);
ATF_TP_ADD_TC(tp, libbpfjit_copx_invalid_index);
return atf_no_error();

97
tests/net/bpfjit/t_cop.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: t_cop.c,v 1.2 2014/07/09 15:56:12 alnsn Exp $ */
/* $NetBSD: t_cop.c,v 1.3 2014/07/13 21:35:33 alnsn Exp $ */
/*-
* Copyright (c) 2014 Alexander Nasonov.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_cop.c,v 1.2 2014/07/09 15:56:12 alnsn Exp $");
__RCSID("$NetBSD: t_cop.c,v 1.3 2014/07/13 21:35:33 alnsn Exp $");
#include <stdint.h>
#include <string.h>
@ -338,6 +338,51 @@ ATF_TC_BODY(bpfjit_cop_side_effect, tc)
rump_unschedule();
}
ATF_TC(bpfjit_cop_copx);
ATF_TC_HEAD(bpfjit_cop_copx, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test BPF_COP call followed by BPF_COPX call");
}
ATF_TC_BODY(bpfjit_cop_copx, tc)
{
static struct bpf_insn insns[] = {
BPF_STMT(BPF_LD+BPF_IMM, 1), /* A <- 1 */
BPF_STMT(BPF_MISC+BPF_COP, 0), /* retA */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 0), /* A = P[0] */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_MISC+BPF_COPX, 0), /* retNF */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_RET+BPF_A, 0)
};
bpfjit_func_t code;
uint8_t pkt[1] = { 2 };
bpf_args_t args = {
.pkt = pkt,
.buflen = sizeof(pkt),
.wirelen = sizeof(pkt),
};
size_t insn_count = sizeof(insns) / sizeof(insns[0]);
RZ(rump_init());
rump_schedule();
code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
rump_unschedule();
ATF_REQUIRE(code != NULL);
ATF_CHECK(code(&ctx, &args) == 3 + ctx.nfuncs);
rump_schedule();
rumpns_bpfjit_free_code(code);
rump_unschedule();
}
ATF_TC(bpfjit_cop_invalid_index);
ATF_TC_HEAD(bpfjit_cop_invalid_index, tc)
{
@ -598,6 +643,52 @@ ATF_TC_BODY(bpfjit_copx_side_effect, tc)
rump_unschedule();
}
ATF_TC(bpfjit_copx_cop);
ATF_TC_HEAD(bpfjit_copx_cop, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test BPF_COPX call followed by BPF_COP call");
}
ATF_TC_BODY(bpfjit_copx_cop, tc)
{
static struct bpf_insn insns[] = {
BPF_STMT(BPF_LDX+BPF_IMM, 2), /* X <- 2 */
BPF_STMT(BPF_MISC+BPF_COPX, 0), /* retWL */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 0), /* A = P[0] */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_MISC+BPF_COP, 3), /* retNF */
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 1), /* A = A + X */
BPF_STMT(BPF_RET+BPF_A, 0)
};
bpfjit_func_t code;
uint8_t pkt[1] = { 2 };
bpf_args_t args = {
.pkt = pkt,
.buflen = sizeof(pkt),
.wirelen = sizeof(pkt),
};
size_t insn_count = sizeof(insns) / sizeof(insns[0]);
RZ(rump_init());
rump_schedule();
code = rumpns_bpfjit_generate_code(&ctx, insns, insn_count);
rump_unschedule();
ATF_REQUIRE(code != NULL);
ATF_CHECK(code(&ctx, &args) == 5 + ctx.nfuncs);
rump_schedule();
rumpns_bpfjit_free_code(code);
rump_unschedule();
}
ATF_TC(bpfjit_copx_invalid_index);
ATF_TC_HEAD(bpfjit_copx_invalid_index, tc)
{
@ -650,6 +741,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, bpfjit_cop_ret_wirelen);
ATF_TP_ADD_TC(tp, bpfjit_cop_ret_nfuncs);
ATF_TP_ADD_TC(tp, bpfjit_cop_side_effect);
ATF_TP_ADD_TC(tp, bpfjit_cop_copx);
ATF_TP_ADD_TC(tp, bpfjit_cop_invalid_index);
ATF_TP_ADD_TC(tp, bpfjit_copx_no_ctx);
@ -658,6 +750,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, bpfjit_copx_ret_wirelen);
ATF_TP_ADD_TC(tp, bpfjit_copx_ret_nfuncs);
ATF_TP_ADD_TC(tp, bpfjit_copx_side_effect);
ATF_TP_ADD_TC(tp, bpfjit_copx_cop);
ATF_TP_ADD_TC(tp, bpfjit_copx_invalid_index);
return atf_no_error();