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authorWang Nan <wangnan0@huawei.com>2015-11-16 12:10:11 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-11-18 17:51:03 -0300
commit30433a3a52b951faab95944e0f8b9d33a1e322ce (patch)
tree125176862c933a3612e4a410a4f302e9b9dcc35a /tools/perf/arch
parent1c0ed63239012aa881cc811f726b549dca7279e4 (diff)
downloadlinux-30433a3a52b951faab95944e0f8b9d33a1e322ce.tar.gz
perf bpf: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on
regs_query_register_offset() in dwarf-regs.c is required by BPF prologue. This patch compiles it if CONFIG_BPF_PROLOGUE is on to avoid build failure when CONFIG_BPF_PROLOGUE is on but CONFIG_DWARF is not set. Signed-off-by: He Kuang <hekuang@huawei.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: He Kuang <hekuang@huawei.com> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1447675815-166222-10-git-send-email-wangnan0@huawei.com Signed-off-by: Wang Nan <wangnan0@huawei.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch')
-rw-r--r--tools/perf/arch/x86/util/Build1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build
index ff63649fa9ac..465970370f3e 100644
--- a/tools/perf/arch/x86/util/Build
+++ b/tools/perf/arch/x86/util/Build
@@ -5,6 +5,7 @@ libperf-y += kvm-stat.o
libperf-y += perf_regs.o
libperf-$(CONFIG_DWARF) += dwarf-regs.o
+libperf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o