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authorAdrian Hunter <adrian.hunter@intel.com>2014-10-23 18:16:03 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-10-29 10:32:48 -0200
commite477f3f01a89a8fd44031e7f2ba6ffcab037336c (patch)
tree36d6011cee4ae37dd5e0340cca5c1c0a125be42e /tools/perf/config/Makefile.arch
parent42634bc7a02ead59cf2d50e60d8b8f825de8a3b0 (diff)
perf tools: Build programs to copy 32-bit compatibility
perf tools copy VDSO out of memory. However, on 64-bit machines there may be 32-bit compatibility VDOs also. To copy those requires separate 32-bit executables. This patch adds to the build additional programs perf-read-vdso32 and perf-read-vdsox32 for 32-bit and x32 respectively. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com>, Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1414061124-26830-15-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config/Makefile.arch')
-rw-r--r--tools/perf/config/Makefile.arch8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
index 4b06719ee984..851cd0172a76 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/perf/config/Makefile.arch
@@ -21,3 +21,11 @@ ifeq ($(ARCH),x86_64)
RAW_ARCH := x86_64
endif
endif
+
+ifeq (${IS_X86_64}, 1)
+ IS_64_BIT := 1
+else ifeq ($(ARCH),x86)
+ IS_64_BIT := 0
+else
+ IS_64_BIT := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
+endif