[PATCH bpf-next] bpf: add a few more options for GCC_BPF in selftests/bpf/Makefile

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This little patch modifies selftests/bpf/Makefile so it passes the
following extra options when invoking gcc-bpf:

 -gbtf
   This makes GCC to emit BTF debug info in .BTF and .BTF.ext.

 -mco-re
   This tells GCC to generate CO-RE relocations in .BTF.ext.

 -masm=pseudoc
   This tells GCC to emit BPF assembler using the pseudo-c syntax.

Tested in bpf-next master.
No regressions.

Signed-off-by: Jose E. Marchesi <jose.marchesi@xxxxxxxxxx>
Cc: Yonghong Song <yhs@xxxxxxxx>
Cc: Eduard Zingerman <eddyz87@xxxxxxxxx>
Cc: david.faust@xxxxxxxxxx
Cc: cupertino.miranda@xxxxxxxxxx
---
 tools/testing/selftests/bpf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index edc73f8f5aef..702428021132 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -442,7 +442,7 @@ endef
 # Build BPF object using GCC
 define GCC_BPF_BUILD_RULE
 	$(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
-	$(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2
+	$(Q)$(BPF_GCC) $3 -O2 -gbtf -mco-re -masm=pseudoc -c $1 -o $2
 endef
 
 SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
-- 
2.30.2





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