selftests/bpf: Enable cpu v4 tests for LoongArch

Enable the cpu v4 tests for LoongArch. Currently, we don't have BPF
trampoline in LoongArch JIT, so the fentry test `test_ptr_struct_arg`
still failed, will followup.

Test result attached below:

  # ./test_progs -t verifier_sdiv,verifier_movsx,verifier_ldsx,verifier_gotol,verifier_bswap
  torvalds#316/1   verifier_bswap/BSWAP, 16:OK
  torvalds#316/2   verifier_bswap/BSWAP, 16 @unpriv:OK
  torvalds#316/3   verifier_bswap/BSWAP, 32:OK
  torvalds#316/4   verifier_bswap/BSWAP, 32 @unpriv:OK
  torvalds#316/5   verifier_bswap/BSWAP, 64:OK
  torvalds#316/6   verifier_bswap/BSWAP, 64 @unpriv:OK
  torvalds#316     verifier_bswap:OK
  torvalds#330/1   verifier_gotol/gotol, small_imm:OK
  torvalds#330/2   verifier_gotol/gotol, small_imm @unpriv:OK
  torvalds#330     verifier_gotol:OK
  torvalds#338/1   verifier_ldsx/LDSX, S8:OK
  torvalds#338/2   verifier_ldsx/LDSX, S8 @unpriv:OK
  torvalds#338/3   verifier_ldsx/LDSX, S16:OK
  torvalds#338/4   verifier_ldsx/LDSX, S16 @unpriv:OK
  torvalds#338/5   verifier_ldsx/LDSX, S32:OK
  torvalds#338/6   verifier_ldsx/LDSX, S32 @unpriv:OK
  torvalds#338/7   verifier_ldsx/LDSX, S8 range checking, privileged:OK
  torvalds#338/8   verifier_ldsx/LDSX, S16 range checking:OK
  torvalds#338/9   verifier_ldsx/LDSX, S16 range checking @unpriv:OK
  torvalds#338/10  verifier_ldsx/LDSX, S32 range checking:OK
  torvalds#338/11  verifier_ldsx/LDSX, S32 range checking @unpriv:OK
  torvalds#338     verifier_ldsx:OK
  torvalds#349/1   verifier_movsx/MOV32SX, S8:OK
  torvalds#349/2   verifier_movsx/MOV32SX, S8 @unpriv:OK
  torvalds#349/3   verifier_movsx/MOV32SX, S16:OK
  torvalds#349/4   verifier_movsx/MOV32SX, S16 @unpriv:OK
  torvalds#349/5   verifier_movsx/MOV64SX, S8:OK
  torvalds#349/6   verifier_movsx/MOV64SX, S8 @unpriv:OK
  torvalds#349/7   verifier_movsx/MOV64SX, S16:OK
  torvalds#349/8   verifier_movsx/MOV64SX, S16 @unpriv:OK
  torvalds#349/9   verifier_movsx/MOV64SX, S32:OK
  torvalds#349/10  verifier_movsx/MOV64SX, S32 @unpriv:OK
  torvalds#349/11  verifier_movsx/MOV32SX, S8, range_check:OK
  torvalds#349/12  verifier_movsx/MOV32SX, S8, range_check @unpriv:OK
  torvalds#349/13  verifier_movsx/MOV32SX, S16, range_check:OK
  torvalds#349/14  verifier_movsx/MOV32SX, S16, range_check @unpriv:OK
  torvalds#349/15  verifier_movsx/MOV32SX, S16, range_check 2:OK
  torvalds#349/16  verifier_movsx/MOV32SX, S16, range_check 2 @unpriv:OK
  torvalds#349/17  verifier_movsx/MOV64SX, S8, range_check:OK
  torvalds#349/18  verifier_movsx/MOV64SX, S8, range_check @unpriv:OK
  torvalds#349/19  verifier_movsx/MOV64SX, S16, range_check:OK
  torvalds#349/20  verifier_movsx/MOV64SX, S16, range_check @unpriv:OK
  torvalds#349/21  verifier_movsx/MOV64SX, S32, range_check:OK
  torvalds#349/22  verifier_movsx/MOV64SX, S32, range_check @unpriv:OK
  torvalds#349/23  verifier_movsx/MOV64SX, S16, R10 Sign Extension:OK
  torvalds#349/24  verifier_movsx/MOV64SX, S16, R10 Sign Extension @unpriv:OK
  torvalds#349     verifier_movsx:OK
  torvalds#361/1   verifier_sdiv/SDIV32, non-zero imm divisor, check 1:OK
  torvalds#361/2   verifier_sdiv/SDIV32, non-zero imm divisor, check 1 @unpriv:OK
  torvalds#361/3   verifier_sdiv/SDIV32, non-zero imm divisor, check 2:OK
  torvalds#361/4   verifier_sdiv/SDIV32, non-zero imm divisor, check 2 @unpriv:OK
  torvalds#361/5   verifier_sdiv/SDIV32, non-zero imm divisor, check 3:OK
  torvalds#361/6   verifier_sdiv/SDIV32, non-zero imm divisor, check 3 @unpriv:OK
  torvalds#361/7   verifier_sdiv/SDIV32, non-zero imm divisor, check 4:OK
  torvalds#361/8   verifier_sdiv/SDIV32, non-zero imm divisor, check 4 @unpriv:OK
  torvalds#361/9   verifier_sdiv/SDIV32, non-zero imm divisor, check 5:OK
  torvalds#361/10  verifier_sdiv/SDIV32, non-zero imm divisor, check 5 @unpriv:OK
  torvalds#361/11  verifier_sdiv/SDIV32, non-zero imm divisor, check 6:OK
  torvalds#361/12  verifier_sdiv/SDIV32, non-zero imm divisor, check 6 @unpriv:OK
  torvalds#361/13  verifier_sdiv/SDIV32, non-zero imm divisor, check 7:OK
  torvalds#361/14  verifier_sdiv/SDIV32, non-zero imm divisor, check 7 @unpriv:OK
  torvalds#361/15  verifier_sdiv/SDIV32, non-zero imm divisor, check 8:OK
  torvalds#361/16  verifier_sdiv/SDIV32, non-zero imm divisor, check 8 @unpriv:OK
  torvalds#361/17  verifier_sdiv/SDIV32, non-zero reg divisor, check 1:OK
  torvalds#361/18  verifier_sdiv/SDIV32, non-zero reg divisor, check 1 @unpriv:OK
  torvalds#361/19  verifier_sdiv/SDIV32, non-zero reg divisor, check 2:OK
  torvalds#361/20  verifier_sdiv/SDIV32, non-zero reg divisor, check 2 @unpriv:OK
  torvalds#361/21  verifier_sdiv/SDIV32, non-zero reg divisor, check 3:OK
  torvalds#361/22  verifier_sdiv/SDIV32, non-zero reg divisor, check 3 @unpriv:OK
  torvalds#361/23  verifier_sdiv/SDIV32, non-zero reg divisor, check 4:OK
  torvalds#361/24  verifier_sdiv/SDIV32, non-zero reg divisor, check 4 @unpriv:OK
  torvalds#361/25  verifier_sdiv/SDIV32, non-zero reg divisor, check 5:OK
  torvalds#361/26  verifier_sdiv/SDIV32, non-zero reg divisor, check 5 @unpriv:OK
  torvalds#361/27  verifier_sdiv/SDIV32, non-zero reg divisor, check 6:OK
  torvalds#361/28  verifier_sdiv/SDIV32, non-zero reg divisor, check 6 @unpriv:OK
  torvalds#361/29  verifier_sdiv/SDIV32, non-zero reg divisor, check 7:OK
  torvalds#361/30  verifier_sdiv/SDIV32, non-zero reg divisor, check 7 @unpriv:OK
  torvalds#361/31  verifier_sdiv/SDIV32, non-zero reg divisor, check 8:OK
  torvalds#361/32  verifier_sdiv/SDIV32, non-zero reg divisor, check 8 @unpriv:OK
  torvalds#361/33  verifier_sdiv/SDIV64, non-zero imm divisor, check 1:OK
  torvalds#361/34  verifier_sdiv/SDIV64, non-zero imm divisor, check 1 @unpriv:OK
  torvalds#361/35  verifier_sdiv/SDIV64, non-zero imm divisor, check 2:OK
  torvalds#361/36  verifier_sdiv/SDIV64, non-zero imm divisor, check 2 @unpriv:OK
  torvalds#361/37  verifier_sdiv/SDIV64, non-zero imm divisor, check 3:OK
  torvalds#361/38  verifier_sdiv/SDIV64, non-zero imm divisor, check 3 @unpriv:OK
  torvalds#361/39  verifier_sdiv/SDIV64, non-zero imm divisor, check 4:OK
  torvalds#361/40  verifier_sdiv/SDIV64, non-zero imm divisor, check 4 @unpriv:OK
  torvalds#361/41  verifier_sdiv/SDIV64, non-zero imm divisor, check 5:OK
  torvalds#361/42  verifier_sdiv/SDIV64, non-zero imm divisor, check 5 @unpriv:OK
  torvalds#361/43  verifier_sdiv/SDIV64, non-zero imm divisor, check 6:OK
  torvalds#361/44  verifier_sdiv/SDIV64, non-zero imm divisor, check 6 @unpriv:OK
  torvalds#361/45  verifier_sdiv/SDIV64, non-zero reg divisor, check 1:OK
  torvalds#361/46  verifier_sdiv/SDIV64, non-zero reg divisor, check 1 @unpriv:OK
  torvalds#361/47  verifier_sdiv/SDIV64, non-zero reg divisor, check 2:OK
  torvalds#361/48  verifier_sdiv/SDIV64, non-zero reg divisor, check 2 @unpriv:OK
  torvalds#361/49  verifier_sdiv/SDIV64, non-zero reg divisor, check 3:OK
  torvalds#361/50  verifier_sdiv/SDIV64, non-zero reg divisor, check 3 @unpriv:OK
  torvalds#361/51  verifier_sdiv/SDIV64, non-zero reg divisor, check 4:OK
  torvalds#361/52  verifier_sdiv/SDIV64, non-zero reg divisor, check 4 @unpriv:OK
  torvalds#361/53  verifier_sdiv/SDIV64, non-zero reg divisor, check 5:OK
  torvalds#361/54  verifier_sdiv/SDIV64, non-zero reg divisor, check 5 @unpriv:OK
  torvalds#361/55  verifier_sdiv/SDIV64, non-zero reg divisor, check 6:OK
  torvalds#361/56  verifier_sdiv/SDIV64, non-zero reg divisor, check 6 @unpriv:OK
  torvalds#361/57  verifier_sdiv/SMOD32, non-zero imm divisor, check 1:OK
  torvalds#361/58  verifier_sdiv/SMOD32, non-zero imm divisor, check 1 @unpriv:OK
  torvalds#361/59  verifier_sdiv/SMOD32, non-zero imm divisor, check 2:OK
  torvalds#361/60  verifier_sdiv/SMOD32, non-zero imm divisor, check 2 @unpriv:OK
  torvalds#361/61  verifier_sdiv/SMOD32, non-zero imm divisor, check 3:OK
  torvalds#361/62  verifier_sdiv/SMOD32, non-zero imm divisor, check 3 @unpriv:OK
  torvalds#361/63  verifier_sdiv/SMOD32, non-zero imm divisor, check 4:OK
  torvalds#361/64  verifier_sdiv/SMOD32, non-zero imm divisor, check 4 @unpriv:OK
  torvalds#361/65  verifier_sdiv/SMOD32, non-zero imm divisor, check 5:OK
  torvalds#361/66  verifier_sdiv/SMOD32, non-zero imm divisor, check 5 @unpriv:OK
  torvalds#361/67  verifier_sdiv/SMOD32, non-zero imm divisor, check 6:OK
  torvalds#361/68  verifier_sdiv/SMOD32, non-zero imm divisor, check 6 @unpriv:OK
  torvalds#361/69  verifier_sdiv/SMOD32, non-zero reg divisor, check 1:OK
  torvalds#361/70  verifier_sdiv/SMOD32, non-zero reg divisor, check 1 @unpriv:OK
  torvalds#361/71  verifier_sdiv/SMOD32, non-zero reg divisor, check 2:OK
  torvalds#361/72  verifier_sdiv/SMOD32, non-zero reg divisor, check 2 @unpriv:OK
  torvalds#361/73  verifier_sdiv/SMOD32, non-zero reg divisor, check 3:OK
  torvalds#361/74  verifier_sdiv/SMOD32, non-zero reg divisor, check 3 @unpriv:OK
  torvalds#361/75  verifier_sdiv/SMOD32, non-zero reg divisor, check 4:OK
  torvalds#361/76  verifier_sdiv/SMOD32, non-zero reg divisor, check 4 @unpriv:OK
  torvalds#361/77  verifier_sdiv/SMOD32, non-zero reg divisor, check 5:OK
  torvalds#361/78  verifier_sdiv/SMOD32, non-zero reg divisor, check 5 @unpriv:OK
  torvalds#361/79  verifier_sdiv/SMOD32, non-zero reg divisor, check 6:OK
  torvalds#361/80  verifier_sdiv/SMOD32, non-zero reg divisor, check 6 @unpriv:OK
  torvalds#361/81  verifier_sdiv/SMOD64, non-zero imm divisor, check 1:OK
  torvalds#361/82  verifier_sdiv/SMOD64, non-zero imm divisor, check 1 @unpriv:OK
  torvalds#361/83  verifier_sdiv/SMOD64, non-zero imm divisor, check 2:OK
  torvalds#361/84  verifier_sdiv/SMOD64, non-zero imm divisor, check 2 @unpriv:OK
  torvalds#361/85  verifier_sdiv/SMOD64, non-zero imm divisor, check 3:OK
  torvalds#361/86  verifier_sdiv/SMOD64, non-zero imm divisor, check 3 @unpriv:OK
  torvalds#361/87  verifier_sdiv/SMOD64, non-zero imm divisor, check 4:OK
  torvalds#361/88  verifier_sdiv/SMOD64, non-zero imm divisor, check 4 @unpriv:OK
  torvalds#361/89  verifier_sdiv/SMOD64, non-zero imm divisor, check 5:OK
  torvalds#361/90  verifier_sdiv/SMOD64, non-zero imm divisor, check 5 @unpriv:OK
  torvalds#361/91  verifier_sdiv/SMOD64, non-zero imm divisor, check 6:OK
  torvalds#361/92  verifier_sdiv/SMOD64, non-zero imm divisor, check 6 @unpriv:OK
  torvalds#361/93  verifier_sdiv/SMOD64, non-zero imm divisor, check 7:OK
  torvalds#361/94  verifier_sdiv/SMOD64, non-zero imm divisor, check 7 @unpriv:OK
  torvalds#361/95  verifier_sdiv/SMOD64, non-zero imm divisor, check 8:OK
  torvalds#361/96  verifier_sdiv/SMOD64, non-zero imm divisor, check 8 @unpriv:OK
  torvalds#361/97  verifier_sdiv/SMOD64, non-zero reg divisor, check 1:OK
  torvalds#361/98  verifier_sdiv/SMOD64, non-zero reg divisor, check 1 @unpriv:OK
  torvalds#361/99  verifier_sdiv/SMOD64, non-zero reg divisor, check 2:OK
  torvalds#361/100 verifier_sdiv/SMOD64, non-zero reg divisor, check 2 @unpriv:OK
  torvalds#361/101 verifier_sdiv/SMOD64, non-zero reg divisor, check 3:OK
  torvalds#361/102 verifier_sdiv/SMOD64, non-zero reg divisor, check 3 @unpriv:OK
  torvalds#361/103 verifier_sdiv/SMOD64, non-zero reg divisor, check 4:OK
  torvalds#361/104 verifier_sdiv/SMOD64, non-zero reg divisor, check 4 @unpriv:OK
  torvalds#361/105 verifier_sdiv/SMOD64, non-zero reg divisor, check 5:OK
  torvalds#361/106 verifier_sdiv/SMOD64, non-zero reg divisor, check 5 @unpriv:OK
  torvalds#361/107 verifier_sdiv/SMOD64, non-zero reg divisor, check 6:OK
  torvalds#361/108 verifier_sdiv/SMOD64, non-zero reg divisor, check 6 @unpriv:OK
  torvalds#361/109 verifier_sdiv/SMOD64, non-zero reg divisor, check 7:OK
  torvalds#361/110 verifier_sdiv/SMOD64, non-zero reg divisor, check 7 @unpriv:OK
  torvalds#361/111 verifier_sdiv/SMOD64, non-zero reg divisor, check 8:OK
  torvalds#361/112 verifier_sdiv/SMOD64, non-zero reg divisor, check 8 @unpriv:OK
  torvalds#361/113 verifier_sdiv/SDIV32, zero divisor:OK
  torvalds#361/114 verifier_sdiv/SDIV32, zero divisor @unpriv:OK
  torvalds#361/115 verifier_sdiv/SDIV64, zero divisor:OK
  torvalds#361/116 verifier_sdiv/SDIV64, zero divisor @unpriv:OK
  torvalds#361/117 verifier_sdiv/SMOD32, zero divisor:OK
  torvalds#361/118 verifier_sdiv/SMOD32, zero divisor @unpriv:OK
  torvalds#361/119 verifier_sdiv/SMOD64, zero divisor:OK
  torvalds#361/120 verifier_sdiv/SMOD64, zero divisor @unpriv:OK
  torvalds#361     verifier_sdiv:OK
  Summary: 5/163 PASSED, 0 SKIPPED, 0 FAILED

  # ./test_progs -t ldsx_insn
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__open 0 nsec
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__load 0 nsec
  libbpf: prog 'test_ptr_struct_arg': failed to attach: ERROR: strerror_r(-524)=22
  libbpf: prog 'test_ptr_struct_arg': failed to auto-attach: -524
  test_map_val_and_probed_memory:FAIL:test_ldsx_insn__attach unexpected error: -524 (errno 524)
  torvalds#116/1   ldsx_insn/map_val and probed_memory:FAIL
  torvalds#116/2   ldsx_insn/ctx_member_sign_ext:OK
  torvalds#116/3   ldsx_insn/ctx_member_narrow_sign_ext:OK
  torvalds#116     ldsx_insn:FAIL

  All error logs:
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__open 0 nsec
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__load 0 nsec
  libbpf: prog 'test_ptr_struct_arg': failed to attach: ERROR: strerror_r(-524)=22
  libbpf: prog 'test_ptr_struct_arg': failed to auto-attach: -524
  test_map_val_and_probed_memory:FAIL:test_ldsx_insn__attach unexpected error: -524 (errno 524)
  torvalds#116/1   ldsx_insn/map_val and probed_memory:FAIL
  torvalds#116     ldsx_insn:FAIL
  Summary: 0/2 PASSED, 0 SKIPPED, 1 FAILED

Signed-off-by: Hengqi Chen <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>

Author: chenhengqi

tools/testing/selftests/bpf/progs/test_ldsx_insn.c

@@ -6,7 +6,9 @@
 #include <bpf/bpf_tracing.h>
 
 #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
-     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18
+     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) ||       \
+      defined(__TARGET_ARCH_loongarch)) && \
+     __clang_major__ >= 18
 const volatile int skip = 0;
 #else
 const volatile int skip = 1;

tools/testing/selftests/bpf/progs/verifier_bswap.c

@@ -5,7 +5,10 @@
 #include "bpf_misc.h"
 
 #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
-     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18
+	(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
+	defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
+	defined(__TARGET_ARCH_loongarch)) && \
+	__clang_major__ >= 18
 
 SEC("socket")
 __description("BSWAP, 16")

tools/testing/selftests/bpf/progs/verifier_gotol.c

@@ -5,7 +5,10 @@
 #include "bpf_misc.h"
 
 #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
-     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18
+	(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
+	defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
+	defined(__TARGET_ARCH_loongarch)) && \
+	__clang_major__ >= 18
 
 SEC("socket")
 __description("gotol, small_imm")

tools/testing/selftests/bpf/progs/verifier_ldsx.c

@@ -5,7 +5,10 @@
 #include "bpf_misc.h"
 
 #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
-     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18
+	(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
+	defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
+	defined(__TARGET_ARCH_loongarch)) && \
+	__clang_major__ >= 18
 
 SEC("socket")
 __description("LDSX, S8")

tools/testing/selftests/bpf/progs/verifier_movsx.c

@@ -5,7 +5,10 @@
 #include "bpf_misc.h"
 
 #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
-     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18
+	(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
+	defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
+	defined(__TARGET_ARCH_loongarch)) && \
+	__clang_major__ >= 18
 
 SEC("socket")
 __description("MOV32SX, S8")

tools/testing/selftests/bpf/progs/verifier_sdiv.c

@@ -5,7 +5,10 @@
 #include "bpf_misc.h"
 
 #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
-     (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18
+	(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
+	defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
+	defined(__TARGET_ARCH_loongarch)) && \
+	__clang_major__ >= 18
 
 SEC("socket")
 __description("SDIV32, non-zero imm divisor, check 1")