Message-ID: <20190611044747.44839-9-andriin@fb.com>
Date:   Mon, 10 Jun 2019 21:47:47 -0700
From:   Andrii Nakryiko <andriin@...com>
To:     <andrii.nakryiko@...il.com>, <bpf@...r.kernel.org>,
        <netdev@...r.kernel.org>, <ast@...com>, <daniel@...earbox.net>,
        <kernel-team@...com>
CC:     Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next 8/8] selftests/bpf: switch tests to BTF-defined map definitions

Switch test map definition to new BTF-defined format.

Signed-off-by: Andrii Nakryiko <andriin@...com>
---
 tools/testing/selftests/bpf/progs/bpf_flow.c  | 18 +++--
 .../selftests/bpf/progs/get_cgroup_id_kern.c  | 18 +++--
 .../testing/selftests/bpf/progs/netcnt_prog.c | 22 +++---
 .../selftests/bpf/progs/sample_map_ret0.c     | 18 +++--
 .../selftests/bpf/progs/socket_cookie_prog.c  |  9 ++-
 .../bpf/progs/sockmap_verdict_prog.c          | 36 +++++++---
 .../bpf/progs/test_get_stack_rawtp.c          | 27 ++++---
 .../selftests/bpf/progs/test_global_data.c    | 27 ++++---
 tools/testing/selftests/bpf/progs/test_l4lb.c | 45 ++++++++----
 .../selftests/bpf/progs/test_l4lb_noinline.c  | 45 ++++++++----
 .../selftests/bpf/progs/test_map_in_map.c     | 20 ++++--
 .../selftests/bpf/progs/test_map_lock.c       | 22 +++---
 .../testing/selftests/bpf/progs/test_obj_id.c |  9 ++-
 .../bpf/progs/test_select_reuseport_kern.c    | 45 ++++++++----
 .../bpf/progs/test_send_signal_kern.c         | 22 +++---
 .../bpf/progs/test_skb_cgroup_id_kern.c       |  9 ++-
 .../bpf/progs/test_sock_fields_kern.c         | 60 +++++++++-------
 .../selftests/bpf/progs/test_spin_lock.c      | 33 ++++-----
 .../bpf/progs/test_stacktrace_build_id.c      | 44 ++++++++----
 .../selftests/bpf/progs/test_stacktrace_map.c | 40 +++++++----
 .../testing/selftests/bpf/progs/test_tc_edt.c |  9 ++-
 .../bpf/progs/test_tcp_check_syncookie_kern.c |  9 ++-
 .../selftests/bpf/progs/test_tcp_estats.c     |  9 ++-
 .../selftests/bpf/progs/test_tcpbpf_kern.c    | 18 +++--
 .../selftests/bpf/progs/test_tcpnotify_kern.c | 18 +++--
 tools/testing/selftests/bpf/progs/test_xdp.c  | 18 +++--
 .../selftests/bpf/progs/test_xdp_noinline.c   | 60 ++++++++++------
 .../selftests/bpf/test_queue_stack_map.h      | 20 ++++--
 .../testing/selftests/bpf/test_sockmap_kern.h | 72 +++++++++++++------
 29 files changed, 526 insertions(+), 276 deletions(-)

diff --git a/tools/testing/selftests/bpf/progs/bpf_flow.c b/tools/testing/selftests/bpf/progs/bpf_flow.c
index 81ad9a0b29d0..849f42e548b5 100644
--- a/tools/testing/selftests/bpf/progs/bpf_flow.c
+++ b/tools/testing/selftests/bpf/progs/bpf_flow.c
@@ -57,17 +57,25 @@ struct frag_hdr {
 	__be32 identification;
 };
 
-struct bpf_map_def SEC("maps") jmp_table = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} jmp_table SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PROG_ARRAY,
+	.max_entries = 8,
 	.key_size = sizeof(__u32),
 	.value_size = sizeof(__u32),
-	.max_entries = 8
 };
 
-struct bpf_map_def SEC("maps") last_dissection = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct bpf_flow_keys *value;
+} last_dissection SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct bpf_flow_keys),
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c b/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
index 014dba10b8a5..87b202381088 100644
--- a/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
+++ b/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
@@ -4,17 +4,23 @@
 #include <linux/bpf.h>
 #include "bpf_helpers.h"
 
-struct bpf_map_def SEC("maps") cg_ids = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} cg_ids SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = 1,
 };
 
-struct bpf_map_def SEC("maps") pidmap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} pidmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/netcnt_prog.c b/tools/testing/selftests/bpf/progs/netcnt_prog.c
index 9f741e69cebe..a25c82a5b7c8 100644
--- a/tools/testing/selftests/bpf/progs/netcnt_prog.c
+++ b/tools/testing/selftests/bpf/progs/netcnt_prog.c
@@ -10,24 +10,22 @@
 #define REFRESH_TIME_NS	100000000
 #define NS_PER_SEC	1000000000
 
-struct bpf_map_def SEC("maps") percpu_netcnt = {
+struct {
+	__u32 type;
+	struct bpf_cgroup_storage_key *key;
+	struct percpu_net_cnt *value;
+} percpu_netcnt SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE,
-	.key_size = sizeof(struct bpf_cgroup_storage_key),
-	.value_size = sizeof(struct percpu_net_cnt),
 };
 
-BPF_ANNOTATE_KV_PAIR(percpu_netcnt, struct bpf_cgroup_storage_key,
-		     struct percpu_net_cnt);
-
-struct bpf_map_def SEC("maps") netcnt = {
+struct {
+	__u32 type;
+	struct bpf_cgroup_storage_key *key;
+	struct net_cnt *value;
+} netcnt SEC(".maps") = {
 	.type = BPF_MAP_TYPE_CGROUP_STORAGE,
-	.key_size = sizeof(struct bpf_cgroup_storage_key),
-	.value_size = sizeof(struct net_cnt),
 };
 
-BPF_ANNOTATE_KV_PAIR(netcnt, struct bpf_cgroup_storage_key,
-		     struct net_cnt);
-
 SEC("cgroup/skb")
 int bpf_nextcnt(struct __sk_buff *skb)
 {
diff --git a/tools/testing/selftests/bpf/progs/sample_map_ret0.c b/tools/testing/selftests/bpf/progs/sample_map_ret0.c
index 0756303676ac..0f4d47cecd4d 100644
--- a/tools/testing/selftests/bpf/progs/sample_map_ret0.c
+++ b/tools/testing/selftests/bpf/progs/sample_map_ret0.c
@@ -2,17 +2,23 @@
 #include <linux/bpf.h>
 #include "bpf_helpers.h"
 
-struct bpf_map_def SEC("maps") htab = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	long *value;
+} htab SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(long),
 	.max_entries = 2,
 };
 
-struct bpf_map_def SEC("maps") array = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	long *value;
+} array SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(long),
 	.max_entries = 2,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/socket_cookie_prog.c b/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
index 9ff8ac4b0bf6..5158bd8c342a 100644
--- a/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
+++ b/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
@@ -7,10 +7,13 @@
 #include "bpf_helpers.h"
 #include "bpf_endian.h"
 
-struct bpf_map_def SEC("maps") socket_cookies = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u64 *key;
+	__u32 *value;
+} socket_cookies SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(__u64),
-	.value_size = sizeof(__u32),
 	.max_entries = 1 << 8,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
index bdc22be46f2e..7b2146300489 100644
--- a/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
+++ b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
@@ -5,31 +5,49 @@
 
 int _version SEC("version") = 1;
 
-struct bpf_map_def SEC("maps") sock_map_rx = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} sock_map_rx SEC(".maps") = {
 	.type = BPF_MAP_TYPE_SOCKMAP,
+	.max_entries = 20,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 20,
 };
 
-struct bpf_map_def SEC("maps") sock_map_tx = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} sock_map_tx SEC(".maps") = {
 	.type = BPF_MAP_TYPE_SOCKMAP,
+	.max_entries = 20,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 20,
 };
 
-struct bpf_map_def SEC("maps") sock_map_msg = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} sock_map_msg SEC(".maps") = {
 	.type = BPF_MAP_TYPE_SOCKMAP,
+	.max_entries = 20,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 20,
 };
 
-struct bpf_map_def SEC("maps") sock_map_break = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	int *value;
+} sock_map_break SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(int),
 	.max_entries = 20,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
index f6d9f238e00a..aaa6ec250e15 100644
--- a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
+++ b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
@@ -15,17 +15,25 @@ struct stack_trace_t {
 	struct bpf_stack_build_id user_stack_buildid[MAX_STACK_RAWTP];
 };
 
-struct bpf_map_def SEC("maps") perfmap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} perfmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
+	.max_entries = 2,
 	.key_size = sizeof(int),
 	.value_size = sizeof(__u32),
-	.max_entries = 2,
 };
 
-struct bpf_map_def SEC("maps") stackdata_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct stack_trace_t *value;
+} stackdata_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct stack_trace_t),
 	.max_entries = 1,
 };
 
@@ -47,10 +55,13 @@ struct bpf_map_def SEC("maps") stackdata_map = {
  * issue and avoid complicated C programming massaging.
  * This is an acceptable workaround since there is one entry here.
  */
-struct bpf_map_def SEC("maps") rawdata_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 (*value)[2 * MAX_STACK_RAWTP];
+} rawdata_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = MAX_STACK_RAWTP * sizeof(__u64) * 2,
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_global_data.c b/tools/testing/selftests/bpf/progs/test_global_data.c
index 5ab14e941980..866cc7ddbe43 100644
--- a/tools/testing/selftests/bpf/progs/test_global_data.c
+++ b/tools/testing/selftests/bpf/progs/test_global_data.c
@@ -7,17 +7,23 @@
 
 #include "bpf_helpers.h"
 
-struct bpf_map_def SEC("maps") result_number = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} result_number SEC(".maps") = {
 	.type		= BPF_MAP_TYPE_ARRAY,
-	.key_size	= sizeof(__u32),
-	.value_size	= sizeof(__u64),
 	.max_entries	= 11,
 };
 
-struct bpf_map_def SEC("maps") result_string = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	const char (*value)[32];
+} result_string SEC(".maps") = {
 	.type		= BPF_MAP_TYPE_ARRAY,
-	.key_size	= sizeof(__u32),
-	.value_size	= 32,
 	.max_entries	= 5,
 };
 
@@ -27,10 +33,13 @@ struct foo {
 	__u64 c;
 };
 
-struct bpf_map_def SEC("maps") result_struct = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct foo *value;
+} result_struct SEC(".maps") = {
 	.type		= BPF_MAP_TYPE_ARRAY,
-	.key_size	= sizeof(__u32),
-	.value_size	= sizeof(struct foo),
 	.max_entries	= 5,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_l4lb.c b/tools/testing/selftests/bpf/progs/test_l4lb.c
index 1e10c9590991..848cbb90f581 100644
--- a/tools/testing/selftests/bpf/progs/test_l4lb.c
+++ b/tools/testing/selftests/bpf/progs/test_l4lb.c
@@ -169,38 +169,53 @@ struct eth_hdr {
 	unsigned short eth_proto;
 };
 
-struct bpf_map_def SEC("maps") vip_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	struct vip *key;
+	struct vip_meta *value;
+} vip_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(struct vip),
-	.value_size = sizeof(struct vip_meta),
 	.max_entries = MAX_VIPS,
 };
 
-struct bpf_map_def SEC("maps") ch_rings = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} ch_rings SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = CH_RINGS_SIZE,
 };
 
-struct bpf_map_def SEC("maps") reals = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct real_definition *value;
+} reals SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct real_definition),
 	.max_entries = MAX_REALS,
 };
 
-struct bpf_map_def SEC("maps") stats = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct vip_stats *value;
+} stats SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct vip_stats),
 	.max_entries = MAX_VIPS,
 };
 
-struct bpf_map_def SEC("maps") ctl_array = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct ctl_value *value;
+} ctl_array SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct ctl_value),
 	.max_entries = CTL_MAP_SIZE,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
index ba44a14e6dc4..c63ecf3ca573 100644
--- a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
+++ b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
@@ -165,38 +165,53 @@ struct eth_hdr {
 	unsigned short eth_proto;
 };
 
-struct bpf_map_def SEC("maps") vip_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	struct vip *key;
+	struct vip_meta *value;
+} vip_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(struct vip),
-	.value_size = sizeof(struct vip_meta),
 	.max_entries = MAX_VIPS,
 };
 
-struct bpf_map_def SEC("maps") ch_rings = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} ch_rings SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = CH_RINGS_SIZE,
 };
 
-struct bpf_map_def SEC("maps") reals = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct real_definition *value;
+} reals SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct real_definition),
 	.max_entries = MAX_REALS,
 };
 
-struct bpf_map_def SEC("maps") stats = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct vip_stats *value;
+} stats SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct vip_stats),
 	.max_entries = MAX_VIPS,
 };
 
-struct bpf_map_def SEC("maps") ctl_array = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct ctl_value *value;
+} ctl_array SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct ctl_value),
 	.max_entries = CTL_MAP_SIZE,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_map_in_map.c b/tools/testing/selftests/bpf/progs/test_map_in_map.c
index 2985f262846e..7404bee7c26e 100644
--- a/tools/testing/selftests/bpf/progs/test_map_in_map.c
+++ b/tools/testing/selftests/bpf/progs/test_map_in_map.c
@@ -5,22 +5,30 @@
 #include <linux/types.h>
 #include "bpf_helpers.h"
 
-struct bpf_map_def SEC("maps") mim_array = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} mim_array SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
+	.max_entries = 1,
 	.key_size = sizeof(int),
 	/* must be sizeof(__u32) for map in map */
 	.value_size = sizeof(__u32),
-	.max_entries = 1,
-	.map_flags = 0,
 };
 
-struct bpf_map_def SEC("maps") mim_hash = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} mim_hash SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH_OF_MAPS,
+	.max_entries = 1,
 	.key_size = sizeof(int),
 	/* must be sizeof(__u32) for map in map */
 	.value_size = sizeof(__u32),
-	.max_entries = 1,
-	.map_flags = 0,
 };
 
 SEC("xdp_mimtest")
diff --git a/tools/testing/selftests/bpf/progs/test_map_lock.c b/tools/testing/selftests/bpf/progs/test_map_lock.c
index af8cc68ed2f9..40d9c2853393 100644
--- a/tools/testing/selftests/bpf/progs/test_map_lock.c
+++ b/tools/testing/selftests/bpf/progs/test_map_lock.c
@@ -11,29 +11,31 @@ struct hmap_elem {
 	int var[VAR_NUM];
 };
 
-struct bpf_map_def SEC("maps") hash_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct hmap_elem *value;
+} hash_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(int),
-	.value_size = sizeof(struct hmap_elem),
 	.max_entries = 1,
 };
 
-BPF_ANNOTATE_KV_PAIR(hash_map, int, struct hmap_elem);
-
 struct array_elem {
 	struct bpf_spin_lock lock;
 	int var[VAR_NUM];
 };
 
-struct bpf_map_def SEC("maps") array_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	struct array_elem *value;
+} array_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(struct array_elem),
 	.max_entries = 1,
 };
 
-BPF_ANNOTATE_KV_PAIR(array_map, int, struct array_elem);
-
 SEC("map_lock_demo")
 int bpf_map_lock_test(struct __sk_buff *skb)
 {
diff --git a/tools/testing/selftests/bpf/progs/test_obj_id.c b/tools/testing/selftests/bpf/progs/test_obj_id.c
index 880d2963b472..2b1c2efdeed4 100644
--- a/tools/testing/selftests/bpf/progs/test_obj_id.c
+++ b/tools/testing/selftests/bpf/progs/test_obj_id.c
@@ -16,10 +16,13 @@
 
 int _version SEC("version") = 1;
 
-struct bpf_map_def SEC("maps") test_map_id = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} test_map_id SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
index 5b54ec637ada..435a9527733e 100644
--- a/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
@@ -21,38 +21,55 @@ int _version SEC("version") = 1;
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 #endif
 
-struct bpf_map_def SEC("maps") outer_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} outer_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
+	.max_entries = 1,
 	.key_size = sizeof(__u32),
 	.value_size = sizeof(__u32),
-	.max_entries = 1,
 };
 
-struct bpf_map_def SEC("maps") result_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} result_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = NR_RESULTS,
 };
 
-struct bpf_map_def SEC("maps") tmp_index_ovr_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	int *value;
+} tmp_index_ovr_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(int),
 	.max_entries = 1,
 };
 
-struct bpf_map_def SEC("maps") linum_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} linum_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 1,
 };
 
-struct bpf_map_def SEC("maps") data_check_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct data_check *value;
+} data_check_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct data_check),
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_send_signal_kern.c b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
index 45a1a1a2c345..6ac68be5d68b 100644
--- a/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
@@ -4,24 +4,26 @@
 #include <linux/version.h>
 #include "bpf_helpers.h"
 
-struct bpf_map_def SEC("maps") info_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} info_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = 1,
 };
 
-BPF_ANNOTATE_KV_PAIR(info_map, __u32, __u64);
-
-struct bpf_map_def SEC("maps") status_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} status_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = 1,
 };
 
-BPF_ANNOTATE_KV_PAIR(status_map, __u32, __u64);
-
 SEC("send_signal_demo")
 int bpf_send_signal_test(void *ctx)
 {
diff --git a/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c b/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
index 68cf9829f5a7..af296b876156 100644
--- a/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
@@ -10,10 +10,13 @@
 
 #define NUM_CGROUP_LEVELS	4
 
-struct bpf_map_def SEC("maps") cgroup_ids = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} cgroup_ids SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = NUM_CGROUP_LEVELS,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c b/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c
index 1c39e4ccb7f1..c3d383d650cb 100644
--- a/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c
@@ -27,31 +27,43 @@ enum bpf_linum_array_idx {
 	__NR_BPF_LINUM_ARRAY_IDX,
 };
 
-struct bpf_map_def SEC("maps") addr_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct sockaddr_in6 *value;
+} addr_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct sockaddr_in6),
 	.max_entries = __NR_BPF_ADDR_ARRAY_IDX,
 };
 
-struct bpf_map_def SEC("maps") sock_result_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct bpf_sock *value;
+} sock_result_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct bpf_sock),
 	.max_entries = __NR_BPF_RESULT_ARRAY_IDX,
 };
 
-struct bpf_map_def SEC("maps") tcp_sock_result_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct bpf_tcp_sock *value;
+} tcp_sock_result_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct bpf_tcp_sock),
 	.max_entries = __NR_BPF_RESULT_ARRAY_IDX,
 };
 
-struct bpf_map_def SEC("maps") linum_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} linum_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = __NR_BPF_LINUM_ARRAY_IDX,
 };
 
@@ -60,26 +72,26 @@ struct bpf_spinlock_cnt {
 	__u32 cnt;
 };
 
-struct bpf_map_def SEC("maps") sk_pkt_out_cnt = {
+struct {
+	__u32 type;
+	__u32 map_flags;
+	int *key;
+	struct bpf_spinlock_cnt *value;
+} sk_pkt_out_cnt SEC(".maps") = {
 	.type = BPF_MAP_TYPE_SK_STORAGE,
-	.key_size = sizeof(int),
-	.value_size = sizeof(struct bpf_spinlock_cnt),
-	.max_entries = 0,
 	.map_flags = BPF_F_NO_PREALLOC,
 };
 
-BPF_ANNOTATE_KV_PAIR(sk_pkt_out_cnt, int, struct bpf_spinlock_cnt);
-
-struct bpf_map_def SEC("maps") sk_pkt_out_cnt10 = {
+struct {
+	__u32 type;
+	__u32 map_flags;
+	int *key;
+	struct bpf_spinlock_cnt *value;
+} sk_pkt_out_cnt10 SEC(".maps") = {
 	.type = BPF_MAP_TYPE_SK_STORAGE,
-	.key_size = sizeof(int),
-	.value_size = sizeof(struct bpf_spinlock_cnt),
-	.max_entries = 0,
 	.map_flags = BPF_F_NO_PREALLOC,
 };
 
-BPF_ANNOTATE_KV_PAIR(sk_pkt_out_cnt10, int, struct bpf_spinlock_cnt);
-
 static bool is_loopback6(__u32 *a6)
 {
 	return !a6[0] && !a6[1] && !a6[2] && a6[3] == bpf_htonl(1);
diff --git a/tools/testing/selftests/bpf/progs/test_spin_lock.c b/tools/testing/selftests/bpf/progs/test_spin_lock.c
index 40f904312090..0a77ae36d981 100644
--- a/tools/testing/selftests/bpf/progs/test_spin_lock.c
+++ b/tools/testing/selftests/bpf/progs/test_spin_lock.c
@@ -10,30 +10,29 @@ struct hmap_elem {
 	int test_padding;
 };
 
-struct bpf_map_def SEC("maps") hmap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	struct hmap_elem *value;
+} hmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(int),
-	.value_size = sizeof(struct hmap_elem),
 	.max_entries = 1,
 };
 
-BPF_ANNOTATE_KV_PAIR(hmap, int, struct hmap_elem);
-
-
 struct cls_elem {
 	struct bpf_spin_lock lock;
 	volatile int cnt;
 };
 
-struct bpf_map_def SEC("maps") cls_map = {
+struct {
+	__u32 type;
+	struct bpf_cgroup_storage_key *key;
+	struct cls_elem *value;
+} cls_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_CGROUP_STORAGE,
-	.key_size = sizeof(struct bpf_cgroup_storage_key),
-	.value_size = sizeof(struct cls_elem),
 };
 
-BPF_ANNOTATE_KV_PAIR(cls_map, struct bpf_cgroup_storage_key,
-		     struct cls_elem);
-
 struct bpf_vqueue {
 	struct bpf_spin_lock lock;
 	/* 4 byte hole */
@@ -42,14 +41,16 @@ struct bpf_vqueue {
 	unsigned int rate;
 };
 
-struct bpf_map_def SEC("maps") vqueue = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	struct bpf_vqueue *value;
+} vqueue SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(struct bpf_vqueue),
 	.max_entries = 1,
 };
 
-BPF_ANNOTATE_KV_PAIR(vqueue, int, struct bpf_vqueue);
 #define CREDIT_PER_NS(delta, rate) (((delta) * rate) >> 20)
 
 SEC("spin_lock_demo")
diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
index d86c281e957f..fcf2280bb60c 100644
--- a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
@@ -8,34 +8,50 @@
 #define PERF_MAX_STACK_DEPTH         127
 #endif
 
-struct bpf_map_def SEC("maps") control_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} control_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 1,
 };
 
-struct bpf_map_def SEC("maps") stackid_hmap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} stackid_hmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 16384,
 };
 
-struct bpf_map_def SEC("maps") stackmap = {
+typedef struct bpf_stack_build_id stack_trace_t[PERF_MAX_STACK_DEPTH];
+
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 map_flags;
+	__u32 key_size;
+	__u32 value_size;
+} stackmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_STACK_TRACE,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct bpf_stack_build_id)
-		* PERF_MAX_STACK_DEPTH,
 	.max_entries = 128,
 	.map_flags = BPF_F_STACK_BUILD_ID,
+	.key_size = sizeof(__u32),
+	.value_size = sizeof(stack_trace_t),
 };
 
-struct bpf_map_def SEC("maps") stack_amap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	/* there seems to be a bug in kernel not handling typedef properly */
+	struct bpf_stack_build_id (*value)[PERF_MAX_STACK_DEPTH];
+} stack_amap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct bpf_stack_build_id)
-		* PERF_MAX_STACK_DEPTH,
 	.max_entries = 128,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_map.c b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
index af111af7ca1a..7ad09adbf648 100644
--- a/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
@@ -8,31 +8,47 @@
 #define PERF_MAX_STACK_DEPTH         127
 #endif
 
-struct bpf_map_def SEC("maps") control_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} control_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 1,
 };
 
-struct bpf_map_def SEC("maps") stackid_hmap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} stackid_hmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 16384,
 };
 
-struct bpf_map_def SEC("maps") stackmap = {
+typedef __u64 stack_trace_t[PERF_MAX_STACK_DEPTH];
+
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} stackmap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_STACK_TRACE,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64) * PERF_MAX_STACK_DEPTH,
 	.max_entries = 16384,
+	.key_size = sizeof(__u32),
+	.value_size = sizeof(stack_trace_t),
 };
 
-struct bpf_map_def SEC("maps") stack_amap = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 (*value)[PERF_MAX_STACK_DEPTH];
+} stack_amap SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64) * PERF_MAX_STACK_DEPTH,
 	.max_entries = 16384,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_tc_edt.c b/tools/testing/selftests/bpf/progs/test_tc_edt.c
index 3af64c470d64..c2781dd78617 100644
--- a/tools/testing/selftests/bpf/progs/test_tc_edt.c
+++ b/tools/testing/selftests/bpf/progs/test_tc_edt.c
@@ -16,10 +16,13 @@
 #define THROTTLE_RATE_BPS (5 * 1000 * 1000)
 
 /* flow_key => last_tstamp timestamp used */
-struct bpf_map_def SEC("maps") flow_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	uint32_t *key;
+	uint64_t *value;
+} flow_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(uint32_t),
-	.value_size = sizeof(uint64_t),
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c b/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
index 1ab095bcacd8..0f1725e25c44 100644
--- a/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
@@ -16,10 +16,13 @@
 #include "bpf_helpers.h"
 #include "bpf_endian.h"
 
-struct bpf_map_def SEC("maps") results = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} results SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = 1,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_tcp_estats.c b/tools/testing/selftests/bpf/progs/test_tcp_estats.c
index bee3bbecc0c4..df98f7e32832 100644
--- a/tools/testing/selftests/bpf/progs/test_tcp_estats.c
+++ b/tools/testing/selftests/bpf/progs/test_tcp_estats.c
@@ -148,10 +148,13 @@ struct tcp_estats_basic_event {
 	struct tcp_estats_conn_id conn_id;
 };
 
-struct bpf_map_def SEC("maps") ev_record_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct tcp_estats_basic_event *value;
+} ev_record_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct tcp_estats_basic_event),
 	.max_entries = 1024,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
index c7c3240e0dd4..38e10c9fd996 100644
--- a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
@@ -14,17 +14,23 @@
 #include "bpf_endian.h"
 #include "test_tcpbpf.h"
 
-struct bpf_map_def SEC("maps") global_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct tcpbpf_globals *value;
+} global_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct tcpbpf_globals),
 	.max_entries = 4,
 };
 
-struct bpf_map_def SEC("maps") sockopt_results = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	int *value;
+} sockopt_results SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(int),
 	.max_entries = 2,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c b/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
index ec6db6e64c41..d073d37d4e27 100644
--- a/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
@@ -14,18 +14,26 @@
 #include "bpf_endian.h"
 #include "test_tcpnotify.h"
 
-struct bpf_map_def SEC("maps") global_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct tcpnotify_globals *value;
+} global_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct tcpnotify_globals),
 	.max_entries = 4,
 };
 
-struct bpf_map_def SEC("maps") perf_event_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} perf_event_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
+	.max_entries = 2,
 	.key_size = sizeof(int),
 	.value_size = sizeof(__u32),
-	.max_entries = 2,
 };
 
 int _version SEC("version") = 1;
diff --git a/tools/testing/selftests/bpf/progs/test_xdp.c b/tools/testing/selftests/bpf/progs/test_xdp.c
index 5e7df8bb5b5d..ec3d2c1c8cf9 100644
--- a/tools/testing/selftests/bpf/progs/test_xdp.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp.c
@@ -22,17 +22,23 @@
 
 int _version SEC("version") = 1;
 
-struct bpf_map_def SEC("maps") rxcnt = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u64 *value;
+} rxcnt SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u64),
 	.max_entries = 256,
 };
 
-struct bpf_map_def SEC("maps") vip2tnl = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	struct vip *key;
+	struct iptnl_info *value;
+} vip2tnl SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(struct vip),
-	.value_size = sizeof(struct iptnl_info),
 	.max_entries = MAX_IPTNL_ENTRIES,
 };
 
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
index 4fe6aaad22a4..d2eddb5553d1 100644
--- a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
@@ -163,52 +163,66 @@ struct lb_stats {
 	__u64 v1;
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) vip_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	struct vip_definition *key;
+	struct vip_meta *value;
+} vip_map SEC(".maps") = {
 	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(struct vip_definition),
-	.value_size = sizeof(struct vip_meta),
 	.max_entries = 512,
-	.map_flags = 0,
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) lru_cache = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 map_flags;
+	struct flow_key *key;
+	struct real_pos_lru *value;
+} lru_cache SEC(".maps") = {
 	.type = BPF_MAP_TYPE_LRU_HASH,
-	.key_size = sizeof(struct flow_key),
-	.value_size = sizeof(struct real_pos_lru),
 	.max_entries = 300,
 	.map_flags = 1U << 1,
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) ch_rings = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	__u32 *value;
+} ch_rings SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(__u32),
 	.max_entries = 12 * 655,
-	.map_flags = 0,
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) reals = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct real_definition *value;
+} reals SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct real_definition),
 	.max_entries = 40,
-	.map_flags = 0,
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) stats = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct lb_stats *value;
+} stats SEC(".maps") = {
 	.type = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct lb_stats),
 	.max_entries = 515,
-	.map_flags = 0,
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) ctl_array = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 *key;
+	struct ctl_value *value;
+} ctl_array SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(__u32),
-	.value_size = sizeof(struct ctl_value),
 	.max_entries = 16,
-	.map_flags = 0,
 };
 
 struct eth_hdr {
diff --git a/tools/testing/selftests/bpf/test_queue_stack_map.h b/tools/testing/selftests/bpf/test_queue_stack_map.h
index 295b9b3bc5c7..f284137a36c4 100644
--- a/tools/testing/selftests/bpf/test_queue_stack_map.h
+++ b/tools/testing/selftests/bpf/test_queue_stack_map.h
@@ -10,20 +10,28 @@
 
 int _version SEC("version") = 1;
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) map_in = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} map_in SEC(".maps") = {
 	.type = MAP_TYPE,
+	.max_entries = 32,
 	.key_size = 0,
 	.value_size = sizeof(__u32),
-	.max_entries = 32,
-	.map_flags = 0,
 };
 
-struct bpf_map_def __attribute__ ((section("maps"), used)) map_out = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} map_out SEC(".maps") = {
 	.type = MAP_TYPE,
+	.max_entries = 32,
 	.key_size = 0,
 	.value_size = sizeof(__u32),
-	.max_entries = 32,
-	.map_flags = 0,
 };
 
 SEC("test")
diff --git a/tools/testing/selftests/bpf/test_sockmap_kern.h b/tools/testing/selftests/bpf/test_sockmap_kern.h
index 4e7d3da21357..70b9236cedb0 100644
--- a/tools/testing/selftests/bpf/test_sockmap_kern.h
+++ b/tools/testing/selftests/bpf/test_sockmap_kern.h
@@ -28,59 +28,89 @@
  * are established and verdicts are decided.
  */
 
-struct bpf_map_def SEC("maps") sock_map = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} sock_map SEC(".maps") = {
 	.type = TEST_MAP_TYPE,
+	.max_entries = 20,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 20,
 };
 
-struct bpf_map_def SEC("maps") sock_map_txmsg = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} sock_map_txmsg SEC(".maps") = {
 	.type = TEST_MAP_TYPE,
+	.max_entries = 20,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 20,
 };
 
-struct bpf_map_def SEC("maps") sock_map_redir = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	__u32 key_size;
+	__u32 value_size;
+} sock_map_redir SEC(".maps") = {
 	.type = TEST_MAP_TYPE,
+	.max_entries = 20,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
-	.max_entries = 20,
 };
 
-struct bpf_map_def SEC("maps") sock_apply_bytes = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	int *value;
+} sock_apply_bytes SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(int),
 	.max_entries = 1
 };
 
-struct bpf_map_def SEC("maps") sock_cork_bytes = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	int *value;
+} sock_cork_bytes SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(int),
 	.max_entries = 1
 };
 
-struct bpf_map_def SEC("maps") sock_bytes = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	int *value;
+} sock_bytes SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(int),
 	.max_entries = 6
 };
 
-struct bpf_map_def SEC("maps") sock_redir_flags = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	int *value;
+} sock_redir_flags SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(int),
 	.max_entries = 1
 };
 
-struct bpf_map_def SEC("maps") sock_skb_opts = {
+struct {
+	__u32 type;
+	__u32 max_entries;
+	int *key;
+	int *value;
+} sock_skb_opts SEC(".maps") = {
 	.type = BPF_MAP_TYPE_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(int),
 	.max_entries = 1
 };
 
-- 
2.17.1

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