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[v1,1/7] tools: add a userspace tools bug.h

Message ID 1471642875-5957-2-git-send-email-mcgrof@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Luis Chamberlain Aug. 19, 2016, 9:41 p.m. UTC 
From: "Luis R. Rodriguez" <mcgrof@kernel.org>

This will be used later by the userspace linker-tables sandbox.
As a convenience, include bug.h on kernel.h -- this is not done
on upstream kernel.h, however most header files do include bug.h
eventually, if we were to only add the ones that need it we'd
need to copy a lot of headers to tools for the ony purpose of
includeing bug.h. This simplifies that.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
---
 tools/include/asm-generic/bug.h | 24 ++++++++++++++++++++++++
 tools/include/linux/bug.h       |  6 ++++++
 tools/include/linux/kernel.h    |  2 ++
 3 files changed, 32 insertions(+)
 create mode 100644 tools/include/asm-generic/bug.h
 create mode 100644 tools/include/linux/bug.h
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Patch

diff --git a/tools/include/asm-generic/bug.h b/tools/include/asm-generic/bug.h
new file mode 100644
index 000000000000..7b0f48b60dbe
--- /dev/null
+++ b/tools/include/asm-generic/bug.h
@@ -0,0 +1,24 @@ 
+#ifndef __TOOLS_ASM_GENERIC_BUG
+#define __TOOLS_ASM_GENERIC_BUG
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define BUG() do {										\
+	fprintf(stderr, "----------------------------------------------------------\n");	\
+	fprintf (stderr, "BUG on %s at %s: %i\n", __func__, __FILE__, __LINE__);		\
+	abort();										\
+}												\
+while (0)
+
+#define BUG_ON(cond) do { if (cond) BUG(); } while (0)
+
+#define WARN_ON(__test) do {									\
+	if (__test) {										\
+		fprintf(stderr, "----------------------------------------------------------\n");\
+		fprintf (stderr, "WARN_ON on %s at %s: %i\n", __func__, __FILE__, __LINE__);	\
+	}											\
+}												\
+while (0)
+
+#endif /* __TOOLS_ASM_GENERIC_BUG */
diff --git a/tools/include/linux/bug.h b/tools/include/linux/bug.h
new file mode 100644
index 000000000000..9be515b40b5c
--- /dev/null
+++ b/tools/include/linux/bug.h
@@ -0,0 +1,6 @@ 
+#ifndef _TOOLS_LINUX_BUG_H
+#define _TOOLS_LINUX_BUG_H
+
+#include <asm-generic/bug.h>
+
+#endif /* _TOOLS_LINUX_BUG_H */
diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index 28607db02bd3..3d385a6d4fc1 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -5,6 +5,8 @@ 
 #include <stddef.h>
 #include <assert.h>
 
+#include <linux/bug.h>
+
 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
 
 #define PERF_ALIGN(x, a)	__PERF_ALIGN_MASK(x, (typeof(x))(a)-1)