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#define BUG() do { \
18 __asm__ __volatile__( \
19 "1: twi 31,0,0\n" \
20 ".section __bug_table,\"a\"\n\t" \
21 " .long 1b,%0,%1,%2\n" \
22 ".previous" \
23 : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
24} while (0)
25
26#define BUG_ON(x) do { \
27 if (!__builtin_constant_p(x) || (x)) { \
28 __asm__ __volatile__( \
29 "1: twnei %0,0\n" \
30 ".section __bug_table,\"a\"\n\t" \
31 " .long 1b,%1,%2,%3\n" \
32 ".previous" \
33 : : "r" (x), "i" (__LINE__), "i" (__FILE__), \
34 "i" (__FUNCTION__)); \
35 } \
36} while (0)
37
38#define WARN_ON(x) do { \
39 if (!__builtin_constant_p(x) || (x)) { \
40 __asm__ __volatile__( \
41 "1: twnei %0,0\n" \
42 ".section __bug_table,\"a\"\n\t" \
43 " .long 1b,%1,%2,%3\n" \
44 ".previous" \
45 : : "r" (x), "i" (__LINE__ + BUG_WARNING_TRAP), \
46 "i" (__FILE__), "i" (__FUNCTION__)); \
47 } \
48} while (0)
49
50#define HAVE_ARCH_BUG
51#define HAVE_ARCH_BUG_ON
52#define HAVE_ARCH_WARN_ON
53#include <asm-generic/bug.h>
54
55#endif