tools: Copy uapi/linux/hw_breakpoint.h from the kernel

To allow the build to complete on older systems, where those files are
either not uptodate, lacking some recent additions or not present at
all.

And check if the copy drifts from the kernel.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-3jz31pz4nw526uko5da9e7o3@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/include/uapi/linux/hw_breakpoint.h b/tools/include/uapi/linux/hw_breakpoint.h
new file mode 100644 (file)
index 0000000..b04000a
--- /dev/null
+++ b/tools/include/uapi/linux/hw_breakpoint.h
@@ -0,0 +1,30 @@
+#ifndef _UAPI_LINUX_HW_BREAKPOINT_H
+#define _UAPI_LINUX_HW_BREAKPOINT_H
+
+enum {
+       HW_BREAKPOINT_LEN_1 = 1,
+       HW_BREAKPOINT_LEN_2 = 2,
+       HW_BREAKPOINT_LEN_4 = 4,
+       HW_BREAKPOINT_LEN_8 = 8,
+};
+
+enum {
+       HW_BREAKPOINT_EMPTY     = 0,
+       HW_BREAKPOINT_R         = 1,
+       HW_BREAKPOINT_W         = 2,
+       HW_BREAKPOINT_RW        = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
+       HW_BREAKPOINT_X         = 4,
+       HW_BREAKPOINT_INVALID   = HW_BREAKPOINT_RW | HW_BREAKPOINT_X,
+};
+
+enum bp_type_idx {
+       TYPE_INST       = 0,
+#ifdef CONFIG_HAVE_MIXED_BREAKPOINTS_REGS
+       TYPE_DATA       = 0,
+#else
+       TYPE_DATA       = 1,
+#endif
+       TYPE_MAX
+};
+
+#endif /* _UAPI_LINUX_HW_BREAKPOINT_H */

diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index d15c052..a4aefae 100644 (file)
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -61,6 +61,7 @@ tools/include/linux/list.h
 tools/include/linux/log2.h
 tools/include/uapi/linux/bpf.h
 tools/include/uapi/linux/bpf_common.h
+tools/include/uapi/linux/hw_breakpoint.h
 tools/include/uapi/linux/perf_event.h
 tools/include/linux/poison.h
 tools/include/linux/rbtree.h
@@ -82,10 +83,8 @@ arch/*/include/asm/unistd*.h
 arch/*/include/uapi/asm/unistd*.h
 tools/arch/*/include/uapi/asm/perf_regs.h
 include/linux/poison.h
-include/linux/hw_breakpoint.h
 include/uapi/linux/const.h
 include/uapi/linux/swab.h
-include/uapi/linux/hw_breakpoint.h
 arch/x86/include/asm/svm.h
 arch/x86/include/asm/vmx.h
 arch/x86/include/asm/kvm_host.h

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 34b91ba..0d07672 100644 (file)
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -348,6 +348,9 @@ $(PERF_IN): prepare FORCE
        @(test -f ../../include/uapi/linux/perf_event.h && ( \
         (diff -B ../include/uapi/linux/perf_event.h ../../include/uapi/linux/perf_event.h >/dev/null) \
         || echo "Warning: tools/include/uapi/linux/perf_event.h differs from kernel" >&2 )) || true
+       @(test -f ../../include/uapi/linux/hw_breakpoint.h && ( \
+        (diff -B ../include/uapi/linux/hw_breakpoint.h ../../include/uapi/linux/hw_breakpoint.h >/dev/null) \
+        || echo "Warning: tools/include/uapi/linux/hw_breakpoint.h differs from kernel" >&2 )) || true
        @(test -f ../../arch/x86/include/asm/disabled-features.h && ( \
         (diff -B ../arch/x86/include/asm/disabled-features.h ../../arch/x86/include/asm/disabled-features.h >/dev/null) \
         || echo "Warning: tools/arch/x86/include/asm/disabled-features.h differs from kernel" >&2 )) || true