Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _PPC_BUG_H
2#define _PPC_BUG_H
3
4struct bug_entry {
5 unsigned long bug_addr;
6 int line;
7 const char *file;
8 const char *function;
9};
10
11/*
12 * If this bit is set in the line number it means that the trap
13 * is for WARN_ON rather than BUG or BUG_ON.
14 */
15#define BUG_WARNING_TRAP 0x1000000
16
17#ifdef CONFIG_BUG
18#define BUG() do { \
19 __asm__ __volatile__( \
20 "1: twi 31,0,0\n" \
21 ".section __bug_table,\"a\"\n\t" \
22 " .long 1b,%0,%1,%2\n" \
23 ".previous" \
24 : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
25} while (0)
26
27#define BUG_ON(x) do { \
28 if (!__builtin_constant_p(x) || (x)) { \
29 __asm__ __volatile__( \
30 "1: twnei %0,0\n" \
31 ".section __bug_table,\"a\"\n\t" \
32 " .long 1b,%1,%2,%3\n" \
33 ".previous" \
34 : : "r" (x), "i" (__LINE__), "i" (__FILE__), \
35 "i" (__FUNCTION__)); \
36 } \
37} while (0)
38
39#define WARN_ON(x) do { \
40 if (!__builtin_constant_p(x) || (x)) { \
41 __asm__ __volatile__( \
42 "1: twnei %0,0\n" \
43 ".section __bug_table,\"a\"\n\t" \
44 " .long 1b,%1,%2,%3\n" \
45 ".previous" \
46 : : "r" (x), "i" (__LINE__ + BUG_WARNING_TRAP), \
47 "i" (__FILE__), "i" (__FUNCTION__)); \
48 } \
49} while (0)
50
51#define HAVE_ARCH_BUG
52#define HAVE_ARCH_BUG_ON
53#define HAVE_ARCH_WARN_ON
54#endif
55
56#include <asm-generic/bug.h>
57
58#endif