llvm-readelf will be used instead of default binutils readelf,
and the following error will appear during libbpf build:
- Warning: Num of global symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
- does NOT match with num of versioned symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
- Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
- --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
- +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
- @@ -324,6 +324,22 @@
- btf__str_by_offset
- btf__type_by_id
- btf__type_cnt
- +LIBBPF_0.0.1
- +LIBBPF_0.0.2
- +LIBBPF_0.0.3
- +LIBBPF_0.0.4
- +LIBBPF_0.0.5
- +LIBBPF_0.0.6
- +LIBBPF_0.0.7
- +LIBBPF_0.0.8
- +LIBBPF_0.0.9
- +LIBBPF_0.1.0
- +LIBBPF_0.2.0
- +LIBBPF_0.3.0
- +LIBBPF_0.4.0
- +LIBBPF_0.5.0
- +LIBBPF_0.6.0
- +LIBBPF_0.7.0
- libbpf_attach_type_by_name
- libbpf_find_kernel_btf
- libbpf_find_vmlinux_btf_id
- make[2]: *** [Makefile:184: check_abi] Error 1
- make[1]: *** [Makefile:140: all] Error 2
+# Warning: Num of global symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
+# does NOT match with num of versioned symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
+# Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
+# --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
+# +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
+# @@ -324,6 +324,22 @@
+# btf__str_by_offset
+# btf__type_by_id
+# btf__type_cnt
+# +LIBBPF_0.0.1
+# +LIBBPF_0.0.2
+# +LIBBPF_0.0.3
+# +LIBBPF_0.0.4
+# +LIBBPF_0.0.5
+# +LIBBPF_0.0.6
+# +LIBBPF_0.0.7
+# +LIBBPF_0.0.8
+# +LIBBPF_0.0.9
+# +LIBBPF_0.1.0
+# +LIBBPF_0.2.0
+# +LIBBPF_0.3.0
+# +LIBBPF_0.4.0
+# +LIBBPF_0.5.0
+# +LIBBPF_0.6.0
+# +LIBBPF_0.7.0
+# libbpf_attach_type_by_name
+# libbpf_find_kernel_btf
+# libbpf_find_vmlinux_btf_id
+# make[2]: *** [Makefile:184: check_abi] Error 1
+# make[1]: *** [Makefile:140: all] Error 2
The above failure is due to different printouts for some ABS
versioned symbols. For example, with the same libbpf.so,
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220204214355.502108-1-yhs@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
- tools/lib/bpf/Makefile | 4 ++--
+ tools/lib/bpf/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
-diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
-index 154b75fc1373..f2a353bba25f 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
-@@ -147,7 +147,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \
+@@ -147,7 +147,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --
sort -u | wc -l)
VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
sed 's/\[.*\]//' | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l)
CMD_TARGETS = $(LIB_TARGET) $(PC_FILE)
-@@ -216,7 +216,7 @@ check_abi: $(OUTPUT)libbpf.so $(VERSION_SCRIPT)
+@@ -216,7 +216,7 @@ check_abi: $(OUTPUT)libbpf.so $(VERSION_
sort -u > $(OUTPUT)libbpf_global_syms.tmp; \
readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
sed 's/\[.*\]//' | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \
sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \
diff -u $(OUTPUT)libbpf_global_syms.tmp \
---
-2.35.1
-
llvm-readelf will be used instead of default binutils readelf,
and the following error will appear during libbpf build:
- Warning: Num of global symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
- does NOT match with num of versioned symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
- Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
- --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
- +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
- @@ -324,6 +324,22 @@
- btf__str_by_offset
- btf__type_by_id
- btf__type_cnt
- +LIBBPF_0.0.1
- +LIBBPF_0.0.2
- +LIBBPF_0.0.3
- +LIBBPF_0.0.4
- +LIBBPF_0.0.5
- +LIBBPF_0.0.6
- +LIBBPF_0.0.7
- +LIBBPF_0.0.8
- +LIBBPF_0.0.9
- +LIBBPF_0.1.0
- +LIBBPF_0.2.0
- +LIBBPF_0.3.0
- +LIBBPF_0.4.0
- +LIBBPF_0.5.0
- +LIBBPF_0.6.0
- +LIBBPF_0.7.0
- libbpf_attach_type_by_name
- libbpf_find_kernel_btf
- libbpf_find_vmlinux_btf_id
- make[2]: *** [Makefile:184: check_abi] Error 1
- make[1]: *** [Makefile:140: all] Error 2
+# Warning: Num of global symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
+# does NOT match with num of versioned symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
+# Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
+# --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
+# +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
+# @@ -324,6 +324,22 @@
+# btf__str_by_offset
+# btf__type_by_id
+# btf__type_cnt
+# +LIBBPF_0.0.1
+# +LIBBPF_0.0.2
+# +LIBBPF_0.0.3
+# +LIBBPF_0.0.4
+# +LIBBPF_0.0.5
+# +LIBBPF_0.0.6
+# +LIBBPF_0.0.7
+# +LIBBPF_0.0.8
+# +LIBBPF_0.0.9
+# +LIBBPF_0.1.0
+# +LIBBPF_0.2.0
+# +LIBBPF_0.3.0
+# +LIBBPF_0.4.0
+# +LIBBPF_0.5.0
+# +LIBBPF_0.6.0
+# +LIBBPF_0.7.0
+# libbpf_attach_type_by_name
+# libbpf_find_kernel_btf
+# libbpf_find_vmlinux_btf_id
+# make[2]: *** [Makefile:184: check_abi] Error 1
+# make[1]: *** [Makefile:140: all] Error 2
The above failure is due to different printouts for some ABS
versioned symbols. For example, with the same libbpf.so,
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220204214355.502108-1-yhs@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/lib/bpf/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
llvm-readelf will be used instead of default binutils readelf,
and the following error will appear during libbpf build:
- Warning: Num of global symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
- does NOT match with num of versioned symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
- Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
- --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
- +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
- @@ -324,6 +324,22 @@
- btf__str_by_offset
- btf__type_by_id
- btf__type_cnt
- +LIBBPF_0.0.1
- +LIBBPF_0.0.2
- +LIBBPF_0.0.3
- +LIBBPF_0.0.4
- +LIBBPF_0.0.5
- +LIBBPF_0.0.6
- +LIBBPF_0.0.7
- +LIBBPF_0.0.8
- +LIBBPF_0.0.9
- +LIBBPF_0.1.0
- +LIBBPF_0.2.0
- +LIBBPF_0.3.0
- +LIBBPF_0.4.0
- +LIBBPF_0.5.0
- +LIBBPF_0.6.0
- +LIBBPF_0.7.0
- libbpf_attach_type_by_name
- libbpf_find_kernel_btf
- libbpf_find_vmlinux_btf_id
- make[2]: *** [Makefile:184: check_abi] Error 1
- make[1]: *** [Makefile:140: all] Error 2
+# Warning: Num of global symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
+# does NOT match with num of versioned symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
+# Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
+# --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
+# +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
+# @@ -324,6 +324,22 @@
+# btf__str_by_offset
+# btf__type_by_id
+# btf__type_cnt
+# +LIBBPF_0.0.1
+# +LIBBPF_0.0.2
+# +LIBBPF_0.0.3
+# +LIBBPF_0.0.4
+# +LIBBPF_0.0.5
+# +LIBBPF_0.0.6
+# +LIBBPF_0.0.7
+# +LIBBPF_0.0.8
+# +LIBBPF_0.0.9
+# +LIBBPF_0.1.0
+# +LIBBPF_0.2.0
+# +LIBBPF_0.3.0
+# +LIBBPF_0.4.0
+# +LIBBPF_0.5.0
+# +LIBBPF_0.6.0
+# +LIBBPF_0.7.0
+# libbpf_attach_type_by_name
+# libbpf_find_kernel_btf
+# libbpf_find_vmlinux_btf_id
+# make[2]: *** [Makefile:184: check_abi] Error 1
+# make[1]: *** [Makefile:140: all] Error 2
The above failure is due to different printouts for some ABS
versioned symbols. For example, with the same libbpf.so,
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220204214355.502108-1-yhs@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
- tools/lib/bpf/Makefile | 4 ++--
+ tools/lib/bpf/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
-diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
-index b393b5e82380..d1b474f3c586 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
-@@ -129,7 +129,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \
+@@ -129,7 +129,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --
sort -u | wc -l)
VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
sed 's/\[.*\]//' | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l)
CMD_TARGETS = $(LIB_TARGET) $(PC_FILE)
-@@ -192,7 +192,7 @@ check_abi: $(OUTPUT)libbpf.so $(VERSION_SCRIPT)
+@@ -192,7 +192,7 @@ check_abi: $(OUTPUT)libbpf.so $(VERSION_
sort -u > $(OUTPUT)libbpf_global_syms.tmp; \
readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
sed 's/\[.*\]//' | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \
sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \
diff -u $(OUTPUT)libbpf_global_syms.tmp \
---
-2.35.1
-
llvm-readelf will be used instead of default binutils readelf,
and the following error will appear during libbpf build:
- Warning: Num of global symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
- does NOT match with num of versioned symbols in
- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
- Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
- --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
- +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
- @@ -324,6 +324,22 @@
- btf__str_by_offset
- btf__type_by_id
- btf__type_cnt
- +LIBBPF_0.0.1
- +LIBBPF_0.0.2
- +LIBBPF_0.0.3
- +LIBBPF_0.0.4
- +LIBBPF_0.0.5
- +LIBBPF_0.0.6
- +LIBBPF_0.0.7
- +LIBBPF_0.0.8
- +LIBBPF_0.0.9
- +LIBBPF_0.1.0
- +LIBBPF_0.2.0
- +LIBBPF_0.3.0
- +LIBBPF_0.4.0
- +LIBBPF_0.5.0
- +LIBBPF_0.6.0
- +LIBBPF_0.7.0
- libbpf_attach_type_by_name
- libbpf_find_kernel_btf
- libbpf_find_vmlinux_btf_id
- make[2]: *** [Makefile:184: check_abi] Error 1
- make[1]: *** [Makefile:140: all] Error 2
+# Warning: Num of global symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o (367)
+# does NOT match with num of versioned symbols in
+# /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so libbpf.map (383).
+# Please make sure all LIBBPF_API symbols are versioned in libbpf.map.
+# --- /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_global_syms.tmp ...
+# +++ /home/yhs/work/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/libbpf_versioned_syms.tmp ...
+# @@ -324,6 +324,22 @@
+# btf__str_by_offset
+# btf__type_by_id
+# btf__type_cnt
+# +LIBBPF_0.0.1
+# +LIBBPF_0.0.2
+# +LIBBPF_0.0.3
+# +LIBBPF_0.0.4
+# +LIBBPF_0.0.5
+# +LIBBPF_0.0.6
+# +LIBBPF_0.0.7
+# +LIBBPF_0.0.8
+# +LIBBPF_0.0.9
+# +LIBBPF_0.1.0
+# +LIBBPF_0.2.0
+# +LIBBPF_0.3.0
+# +LIBBPF_0.4.0
+# +LIBBPF_0.5.0
+# +LIBBPF_0.6.0
+# +LIBBPF_0.7.0
+# libbpf_attach_type_by_name
+# libbpf_find_kernel_btf
+# libbpf_find_vmlinux_btf_id
+# make[2]: *** [Makefile:184: check_abi] Error 1
+# make[1]: *** [Makefile:140: all] Error 2
The above failure is due to different printouts for some ABS
versioned symbols. For example, with the same libbpf.so,
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220204214355.502108-1-yhs@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
- tools/lib/bpf/Makefile | 4 ++--
+ tools/lib/bpf/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
-diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
-index f947b61b2107..b8b37fe76006 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
-@@ -131,7 +131,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \
+@@ -131,7 +131,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --
sort -u | wc -l)
VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
sed 's/\[.*\]//' | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l)
CMD_TARGETS = $(LIB_TARGET) $(PC_FILE)
-@@ -194,7 +194,7 @@ check_abi: $(OUTPUT)libbpf.so $(VERSION_SCRIPT)
+@@ -194,7 +194,7 @@ check_abi: $(OUTPUT)libbpf.so $(VERSION_
sort -u > $(OUTPUT)libbpf_global_syms.tmp; \
readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
sed 's/\[.*\]//' | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \
sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \
diff -u $(OUTPUT)libbpf_global_syms.tmp \
---
-2.35.1
-