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[src/trunk]: src/tests Add bpfjit_cop_copx and bpfjit_copx_cop tests.
details: https://anonhg.NetBSD.org/src/rev/9c925bad376a
branches: trunk
changeset: 330553:9c925bad376a
user: alnsn <alnsn%NetBSD.org@localhost>
date: Sun Jul 13 21:35:33 2014 +0000
description:
Add bpfjit_cop_copx and bpfjit_copx_cop tests.
diffstat:
tests/lib/libbpfjit/t_cop.c | 89 ++++++++++++++++++++++++++++++++++++++++-
tests/net/bpfjit/t_cop.c | 97 ++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 182 insertions(+), 4 deletions(-)
diffs (276 lines):
diff -r 35d62cd4edfb -r 9c925bad376a tests/lib/libbpfjit/t_cop.c
--- a/tests/lib/libbpfjit/t_cop.c Sun Jul 13 19:37:23 2014 +0000
+++ b/tests/lib/libbpfjit/t_cop.c Sun Jul 13 21:35:33 2014 +0000
@@ -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 @@
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 @@
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_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_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();
diff -r 35d62cd4edfb -r 9c925bad376a tests/net/bpfjit/t_cop.c
--- a/tests/net/bpfjit/t_cop.c Sun Jul 13 19:37:23 2014 +0000
+++ b/tests/net/bpfjit/t_cop.c Sun Jul 13 21:35:33 2014 +0000
@@ -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 @@
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 @@
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_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_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();
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