Add unit tests for sdiv/smod insns.
Signed-off-by: Yonghong Song <yonghong.song@xxxxxxxxx>
---
.../selftests/bpf/prog_tests/verifier.c | 2 +
.../selftests/bpf/progs/verifier_sdiv.c | 781 ++++++++++++++++++
2 files changed, 783 insertions(+)
create mode 100644 tools/testing/selftests/bpf/progs/verifier_sdiv.c
diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index 885532540bc3..a591d7b673f1 100644
--- a/tools/testing/selftests/bpf/prog_tests/verifier.c
+++ b/tools/testing/selftests/bpf/prog_tests/verifier.c
@@ -54,6 +54,7 @@
#include "verifier_ringbuf.skel.h"
#include "verifier_runtime_jit.skel.h"
#include "verifier_scalar_ids.skel.h"
+#include "verifier_sdiv.skel.h"
#include "verifier_search_pruning.skel.h"
#include "verifier_sock.skel.h"
#include "verifier_spill_fill.skel.h"
@@ -159,6 +160,7 @@ void test_verifier_regalloc(void) { RUN(verifier_regalloc); }
void test_verifier_ringbuf(void) { RUN(verifier_ringbuf); }
void test_verifier_runtime_jit(void) { RUN(verifier_runtime_jit); }
void test_verifier_scalar_ids(void) { RUN(verifier_scalar_ids); }
+void test_verifier_sdiv(void) { RUN(verifier_sdiv); }
void test_verifier_search_pruning(void) { RUN(verifier_search_pruning); }
void test_verifier_sock(void) { RUN(verifier_sock); }
void test_verifier_spill_fill(void) { RUN(verifier_spill_fill); }
diff --git a/tools/testing/selftests/bpf/progs/verifier_sdiv.c b/tools/testing/selftests/bpf/progs/verifier_sdiv.c
new file mode 100644
index 000000000000..f61a9a1058c8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/verifier_sdiv.c
@@ -0,0 +1,781 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+#if defined(__TARGET_ARCH_x86) && __clang_major__ >= 18
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 1")
+__success __success_unpriv __retval(-20)
+__naked void sdiv32_non_zero_imm_1(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w0 s/= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 2")
+__success __success_unpriv __retval(-20)
+__naked void sdiv32_non_zero_imm_2(void)
+{
+ asm volatile (" \
+ w0 = 41; \
+ w0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 3")
+__success __success_unpriv __retval(20)
+__naked void sdiv32_non_zero_imm_3(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 4")
+__success __success_unpriv __retval(-21)
+__naked void sdiv32_non_zero_imm_4(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w0 s/= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 5")
+__success __success_unpriv __retval(-21)
+__naked void sdiv32_non_zero_imm_5(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 6")
+__success __success_unpriv __retval(21)
+__naked void sdiv32_non_zero_imm_6(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 7")
+__success __success_unpriv __retval(21)
+__naked void sdiv32_non_zero_imm_7(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w0 s/= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero imm divisor, check 8")
+__success __success_unpriv __retval(20)
+__naked void sdiv32_non_zero_imm_8(void)
+{
+ asm volatile (" \
+ w0 = 41; \
+ w0 s/= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 1")
+__success __success_unpriv __retval(-20)
+__naked void sdiv32_non_zero_reg_1(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w1 = 2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 2")
+__success __success_unpriv __retval(-20)
+__naked void sdiv32_non_zero_reg_2(void)
+{
+ asm volatile (" \
+ w0 = 41; \
+ w1 = -2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 3")
+__success __success_unpriv __retval(20)
+__naked void sdiv32_non_zero_reg_3(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w1 = -2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 4")
+__success __success_unpriv __retval(-21)
+__naked void sdiv32_non_zero_reg_4(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w1 = 2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 5")
+__success __success_unpriv __retval(-21)
+__naked void sdiv32_non_zero_reg_5(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w1 = -2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 6")
+__success __success_unpriv __retval(21)
+__naked void sdiv32_non_zero_reg_6(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w1 = -2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 7")
+__success __success_unpriv __retval(21)
+__naked void sdiv32_non_zero_reg_7(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w1 = 2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, non-zero reg divisor, check 8")
+__success __success_unpriv __retval(20)
+__naked void sdiv32_non_zero_reg_8(void)
+{
+ asm volatile (" \
+ w0 = 41; \
+ w1 = 2; \
+ w0 s/= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero imm divisor, check 1")
+__success __success_unpriv __retval(-20)
+__naked void sdiv64_non_zero_imm_1(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r0 s/= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero imm divisor, check 2")
+__success __success_unpriv __retval(-20)
+__naked void sdiv64_non_zero_imm_2(void)
+{
+ asm volatile (" \
+ r0 = 41; \
+ r0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero imm divisor, check 3")
+__success __success_unpriv __retval(20)
+__naked void sdiv64_non_zero_imm_3(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero imm divisor, check 4")
+__success __success_unpriv __retval(-21)
+__naked void sdiv64_non_zero_imm_4(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r0 s/= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero imm divisor, check 5")
+__success __success_unpriv __retval(-21)
+__naked void sdiv64_non_zero_imm_5(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero imm divisor, check 6")
+__success __success_unpriv __retval(21)
+__naked void sdiv64_non_zero_imm_6(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r0 s/= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero reg divisor, check 1")
+__success __success_unpriv __retval(-20)
+__naked void sdiv64_non_zero_reg_1(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r1 = 2; \
+ r0 s/= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero reg divisor, check 2")
+__success __success_unpriv __retval(-20)
+__naked void sdiv64_non_zero_reg_2(void)
+{
+ asm volatile (" \
+ r0 = 41; \
+ r1 = -2; \
+ r0 s/= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero reg divisor, check 3")
+__success __success_unpriv __retval(20)
+__naked void sdiv64_non_zero_reg_3(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r1 = -2; \
+ r0 s/= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero reg divisor, check 4")
+__success __success_unpriv __retval(-21)
+__naked void sdiv64_non_zero_reg_4(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r1 = 2; \
+ r0 s/= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero reg divisor, check 5")
+__success __success_unpriv __retval(-21)
+__naked void sdiv64_non_zero_reg_5(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r1 = -2; \
+ r0 s/= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, non-zero reg divisor, check 6")
+__success __success_unpriv __retval(21)
+__naked void sdiv64_non_zero_reg_6(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r1 = -2; \
+ r0 s/= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero imm divisor, check 1")
+__success __success_unpriv __retval(-1)
+__naked void smod32_non_zero_imm_1(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w0 s%%= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero imm divisor, check 2")
+__success __success_unpriv __retval(1)
+__naked void smod32_non_zero_imm_2(void)
+{
+ asm volatile (" \
+ w0 = 41; \
+ w0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero imm divisor, check 3")
+__success __success_unpriv __retval(-1)
+__naked void smod32_non_zero_imm_3(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero imm divisor, check 4")
+__success __success_unpriv __retval(0)
+__naked void smod32_non_zero_imm_4(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w0 s%%= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero imm divisor, check 5")
+__success __success_unpriv __retval(0)
+__naked void smod32_non_zero_imm_5(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero imm divisor, check 6")
+__success __success_unpriv __retval(0)
+__naked void smod32_non_zero_imm_6(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero reg divisor, check 1")
+__success __success_unpriv __retval(-1)
+__naked void smod32_non_zero_reg_1(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w1 = 2; \
+ w0 s%%= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero reg divisor, check 2")
+__success __success_unpriv __retval(1)
+__naked void smod32_non_zero_reg_2(void)
+{
+ asm volatile (" \
+ w0 = 41; \
+ w1 = -2; \
+ w0 s%%= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero reg divisor, check 3")
+__success __success_unpriv __retval(-1)
+__naked void smod32_non_zero_reg_3(void)
+{
+ asm volatile (" \
+ w0 = -41; \
+ w1 = -2; \
+ w0 s%%= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero reg divisor, check 4")
+__success __success_unpriv __retval(0)
+__naked void smod32_non_zero_reg_4(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w1 = 2; \
+ w0 s%%= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero reg divisor, check 5")
+__success __success_unpriv __retval(0)
+__naked void smod32_non_zero_reg_5(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w1 = -2; \
+ w0 s%%= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, non-zero reg divisor, check 6")
+__success __success_unpriv __retval(0)
+__naked void smod32_non_zero_reg_6(void)
+{
+ asm volatile (" \
+ w0 = -42; \
+ w1 = -2; \
+ w0 s%%= w1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 1")
+__success __success_unpriv __retval(-1)
+__naked void smod64_non_zero_imm_1(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r0 s%%= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 2")
+__success __success_unpriv __retval(1)
+__naked void smod64_non_zero_imm_2(void)
+{
+ asm volatile (" \
+ r0 = 41; \
+ r0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 3")
+__success __success_unpriv __retval(-1)
+__naked void smod64_non_zero_imm_3(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 4")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_imm_4(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r0 s%%= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 5")
+__success __success_unpriv __retval(-0)
+__naked void smod64_non_zero_imm_5(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 6")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_imm_6(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r0 s%%= -2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 7")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_imm_7(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r0 s%%= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero imm divisor, check 8")
+__success __success_unpriv __retval(1)
+__naked void smod64_non_zero_imm_8(void)
+{
+ asm volatile (" \
+ r0 = 41; \
+ r0 s%%= 2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 1")
+__success __success_unpriv __retval(-1)
+__naked void smod64_non_zero_reg_1(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r1 = 2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 2")
+__success __success_unpriv __retval(1)
+__naked void smod64_non_zero_reg_2(void)
+{
+ asm volatile (" \
+ r0 = 41; \
+ r1 = -2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 3")
+__success __success_unpriv __retval(-1)
+__naked void smod64_non_zero_reg_3(void)
+{
+ asm volatile (" \
+ r0 = -41; \
+ r1 = -2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 4")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_reg_4(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r1 = 2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 5")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_reg_5(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r1 = -2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 6")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_reg_6(void)
+{
+ asm volatile (" \
+ r0 = -42; \
+ r1 = -2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 7")
+__success __success_unpriv __retval(0)
+__naked void smod64_non_zero_reg_7(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r1 = 2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, non-zero reg divisor, check 8")
+__success __success_unpriv __retval(1)
+__naked void smod64_non_zero_reg_8(void)
+{
+ asm volatile (" \
+ r0 = 41; \
+ r1 = 2; \
+ r0 s%%= r1; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV32, zero divisor")
+__success __success_unpriv __retval(0)
+__naked void sdiv32_zero_divisor(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w1 = 0; \
+ w2 = -1; \
+ w2 s/= w1; \
+ w0 = w2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SDIV64, zero divisor")
+__success __success_unpriv __retval(0)
+__naked void sdiv64_zero_divisor(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r1 = 0; \
+ r2 = -1; \
+ r2 s/= r1; \
+ r0 = r2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD32, zero divisor")
+__success __success_unpriv __retval(-1)
+__naked void smod32_zero_divisor(void)
+{
+ asm volatile (" \
+ w0 = 42; \
+ w1 = 0; \
+ w2 = -1; \
+ w2 s%%= w1; \
+ w0 = w2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+SEC("socket")
+__description("SMOD64, zero divisor")
+__success __success_unpriv __retval(-1)
+__naked void smod64_zero_divisor(void)
+{
+ asm volatile (" \
+ r0 = 42; \
+ r1 = 0; \
+ r2 = -1; \
+ r2 s%%= r1; \
+ r0 = r2; \
+ exit; \
+" ::: __clobber_all);
+}
+
+#else
+
+SEC("socket")
+__description("cpuv4 is not supported by compiler or jit, use a dummy test")
+__success
+int dummy_test(void)
+{
+ return 0;
+}
+
+#endif
+
+char _license[] SEC("license") = "GPL";
--
2.34.1
