linux-kernel - [PATCH] perf tools: fix build breakage on arm and arm64 targets

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Date:	Fri, 26 Sep 2014 18:01:58 +0100
From:	Will Deacon <will.deacon@....com>
To:	acme@...hat.com
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Will Deacon <will.deacon@....com>,
	Jiri Olsa <jolsa@...nel.org>,
	Jean Pihet <jean.pihet@...aro.org>
Subject: [PATCH] perf tools: fix build breakage on arm and arm64 targets

Attempting to build the perf tool on arm or arm64 targets results in the
following failure:

arch/arm/util/unwind-libunwind.c: In function ‘libunwind__arch_reg_id’:
arch/arm/util/unwind-libunwind.c:43:3: error: implicit declaration of function ‘pr_err’ [-Werror=implicit-function-declaration]
   pr_err("unwind: invalid reg id %d\n", regnum);
   ^
This is due to commit 84f5d36f4866 ("perf tools: Move pr_* debug macros
into debug object") moving the pr_* macros into a new header file, but
failing to update architectures other than x86.

This patch adds the missing includes, and fixes the build again.

Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Jean Pihet <jean.pihet@...aro.org>
Signed-off-by: Will Deacon <will.deacon@....com>
---
 tools/perf/arch/arm/tests/dwarf-unwind.c      | 1 +
 tools/perf/arch/arm/util/unwind-libunwind.c   | 1 +
 tools/perf/arch/arm64/util/unwind-libunwind.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/tools/perf/arch/arm/tests/dwarf-unwind.c b/tools/perf/arch/arm/tests/dwarf-unwind.c
index 9f870d27cb39..62eff847f91c 100644
--- a/tools/perf/arch/arm/tests/dwarf-unwind.c
+++ b/tools/perf/arch/arm/tests/dwarf-unwind.c
@@ -3,6 +3,7 @@
 #include "thread.h"
 #include "map.h"
 #include "event.h"
+#include "debug.h"
 #include "tests/tests.h"
 
 #define STACK_SIZE 8192
diff --git a/tools/perf/arch/arm/util/unwind-libunwind.c b/tools/perf/arch/arm/util/unwind-libunwind.c
index 729ed69a6664..62c397ed3d97 100644
--- a/tools/perf/arch/arm/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm/util/unwind-libunwind.c
@@ -3,6 +3,7 @@
 #include <libunwind.h>
 #include "perf_regs.h"
 #include "../../util/unwind.h"
+#include "../../util/debug.h"
 
 int libunwind__arch_reg_id(int regnum)
 {
diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c
index 436ee43859dc..a87afa91a99e 100644
--- a/tools/perf/arch/arm64/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm64/util/unwind-libunwind.c
@@ -3,6 +3,7 @@
 #include <libunwind.h>
 #include "perf_regs.h"
 #include "../../util/unwind.h"
+#include "../../util/debug.h"
 
 int libunwind__arch_reg_id(int regnum)
 {
-- 
2.1.0

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