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authorRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>2018-01-29 11:34:16 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-02-16 20:55:48 +0300
commit8e2ff72aa35e1a8a53894ae46751a83543338e14 (patch)
tree51e3978996d0e564a5c74d006c20bbaa37615eb3 /tools/perf/arch/powerpc/Makefile
parent1350fb7d1b484afc1556579fb27400d036683453 (diff)
downloadlinux-8e2ff72aa35e1a8a53894ae46751a83543338e14.tar.xz
perf powerpc: Generate system call table from asm/unistd.h
This should speed up accessing new system calls introduced with the kernel rather than waiting for libaudit updates to include them. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Thomas Richter <tmricht@linux.vnet.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Link: http://lkml.kernel.org/r/20180129083417.31240-3-ravi.bangoria@linux.vnet.ibm.com [ Made it generate syscall_32.c as well to fix the build on 32-bit ppc ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/powerpc/Makefile')
-rw-r--r--tools/perf/arch/powerpc/Makefile25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile
index 42dab7c8f508..a111239df182 100644
--- a/tools/perf/arch/powerpc/Makefile
+++ b/tools/perf/arch/powerpc/Makefile
@@ -6,3 +6,28 @@ endif
HAVE_KVM_STAT_SUPPORT := 1
PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
PERF_HAVE_JITDUMP := 1
+
+#
+# Syscall table generation for perf
+#
+
+out := $(OUTPUT)arch/powerpc/include/generated/asm
+header32 := $(out)/syscalls_32.c
+header64 := $(out)/syscalls_64.c
+sysdef := $(srctree)/tools/arch/powerpc/include/uapi/asm/unistd.h
+sysprf := $(srctree)/tools/perf/arch/powerpc/entry/syscalls/
+systbl := $(sysprf)/mksyscalltbl
+
+# Create output directory if not already present
+_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
+
+$(header64): $(sysdef) $(systbl)
+ $(Q)$(SHELL) '$(systbl)' '64' '$(CC)' $(sysdef) > $@
+
+$(header32): $(sysdef) $(systbl)
+ $(Q)$(SHELL) '$(systbl)' '32' '$(CC)' $(sysdef) > $@
+
+clean::
+ $(call QUIET_CLEAN, powerpc) $(RM) $(header32) $(header64)
+
+archheaders: $(header32) $(header64)