diff options
Diffstat (limited to 'package/network/utils/bpftools/patches/001-libbpf-ensure-no-local-symbols-counted-in-ABI-check.patch')
-rw-r--r-- | package/network/utils/bpftools/patches/001-libbpf-ensure-no-local-symbols-counted-in-ABI-check.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/package/network/utils/bpftools/patches/001-libbpf-ensure-no-local-symbols-counted-in-ABI-check.patch b/package/network/utils/bpftools/patches/001-libbpf-ensure-no-local-symbols-counted-in-ABI-check.patch new file mode 100644 index 0000000000..0b223644dc --- /dev/null +++ b/package/network/utils/bpftools/patches/001-libbpf-ensure-no-local-symbols-counted-in-ABI-check.patch @@ -0,0 +1,36 @@ +From fafb2e7eaec6d33ce16e28f481edf781219d5d27 Mon Sep 17 00:00:00 2001 +From: Tony Ambardar <Tony.Ambardar@gmail.com> +Date: Fri, 24 Jul 2020 23:58:17 -0700 +Subject: [PATCH] tools/libbpf: ensure no local symbols counted in ABI check + +This avoids finding versioned local symbols such as _init and _fini in +the libbpf.so file. + +Signed-off-by: Tony Ambardar <Tony.Ambardar@gmail.com> +--- + tools/lib/bpf/Makefile | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile +index bf8ed134cb8a..c820b0be9d63 100644 +--- a/tools/lib/bpf/Makefile ++++ b/tools/lib/bpf/Makefile +@@ -152,6 +152,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \ + awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \ + sort -u | wc -l) + VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \ ++ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \ + grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l) + + CMD_TARGETS = $(LIB_TARGET) $(PC_FILE) +@@ -219,6 +220,7 @@ check_abi: $(OUTPUT)libbpf.so + awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \ + sort -u > $(OUTPUT)libbpf_global_syms.tmp; \ + readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \ ++ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \ + grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \ + sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \ + diff -u $(OUTPUT)libbpf_global_syms.tmp \ +-- +2.25.1 + |