aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/tools/lib/bpf/bpf_helpers.h
diff options
context:
space:
mode:
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /tools/lib/bpf/bpf_helpers.h
parentdma-buf: handle testing kthreads creation failure (diff)
parentMerge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff)
downloadwireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'tools/lib/bpf/bpf_helpers.h')
-rw-r--r--tools/lib/bpf/bpf_helpers.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index cd17f6d0791f..305c62817dd3 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -137,7 +137,8 @@
/*
* Helper function to perform a tail call with a constant/immediate map slot.
*/
-#if __clang_major__ >= 8 && defined(__bpf__)
+#if (defined(__clang__) && __clang_major__ >= 8) || (!defined(__clang__) && __GNUC__ > 12)
+#if defined(__bpf__)
static __always_inline void
bpf_tail_call_static(void *ctx, const void *map, const __u32 slot)
{
@@ -165,6 +166,7 @@ bpf_tail_call_static(void *ctx, const void *map, const __u32 slot)
: "r0", "r1", "r2", "r3", "r4", "r5");
}
#endif
+#endif
enum libbpf_pin_type {
LIBBPF_PIN_NONE,
@@ -184,10 +186,21 @@ enum libbpf_tristate {
#define __kptr __attribute__((btf_type_tag("kptr")))
#define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
-#define bpf_ksym_exists(sym) ({ \
- _Static_assert(!__builtin_constant_p(!!sym), #sym " should be marked as __weak"); \
- !!sym; \
+#if defined (__clang__)
+#define bpf_ksym_exists(sym) ({ \
+ _Static_assert(!__builtin_constant_p(!!sym), \
+ #sym " should be marked as __weak"); \
+ !!sym; \
+})
+#elif __GNUC__ > 8
+#define bpf_ksym_exists(sym) ({ \
+ _Static_assert(__builtin_has_attribute (*sym, __weak__), \
+ #sym " should be marked as __weak"); \
+ !!sym; \
})
+#else
+#define bpf_ksym_exists(sym) !!sym
+#endif
#define __arg_ctx __attribute__((btf_decl_tag("arg:ctx")))
#define __arg_nonnull __attribute((btf_decl_tag("arg:nonnull")))