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Perf fails to compile for 32-bit without this patch. I have requested for Bruce to submit it upstream. Signed-off-by: California Sullivan <california.l.sullivan@intel.com>
42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From 57af599929263e7bb6f2f369c9e4bc1e440528a9 Mon Sep 17 00:00:00 2001
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From: Bruce Ashfield <bruce.ashfield@windriver.com>
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Date: Mon, 21 Aug 2017 13:52:53 -0400
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Subject: [PATCH 1/1] perf: x86-32: explicitly include <errno.h>
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Upstream-Status: submitted
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The 32bit x86 perf build does not find the system definitions of error
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return values, hence we end up with:
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| In file included from util/libunwind/x86_32.c:32:0:
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| util/libunwind/../../arch/x86/util/unwind-libunwind.c: In function 'libunwind__x86_reg_id':
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| util/libunwind/../../arch/x86/util/unwind-libunwind.c:109:11: error: 'EINVAL' undeclared (first use in this function); did you mean 'UNW_EINVAL'?
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| return -EINVAL;
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| ^~~~~~
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| UNW_EINVAL
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By explicitly including errno.h, we can fix this build without impacting
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other architectures.
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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---
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tools/perf/util/libunwind/x86_32.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/tools/perf/util/libunwind/x86_32.c b/tools/perf/util/libunwind/x86_32.c
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index 957ffff72428..d781f7bdeb88 100644
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--- a/tools/perf/util/libunwind/x86_32.c
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+++ b/tools/perf/util/libunwind/x86_32.c
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@@ -20,6 +20,7 @@
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#define LIBUNWIND__ARCH_REG_IP PERF_REG_X86_IP
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#define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP
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+#include <errno.h>
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#include "unwind.h"
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#include "debug.h"
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#include "libunwind-x86.h"
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--
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2.14.3
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