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powerpc: clean up bug.h further

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This simplifies the macros which are different between 32-bit and
64-bit.  It also fixes a couple of printks on the bug->line element,
which is now a long.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2005-11-02 15:19:47 +11:00
parent b5ca71a58b
commit 104dd65fef
2 changed files with 16 additions and 18 deletions
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8
arch/powerpc/kernel/traps.c
View File

@ -749,22 +749,22 @@ static int check_bug_trap(struct pt_regs *regs)
if (bug->line & BUG_WARNING_TRAP) {
/* this is a WARN_ON rather than BUG/BUG_ON */
#ifdef CONFIG_XMON
xmon_printf(KERN_ERR "Badness in %s at %s:%d\n",
xmon_printf(KERN_ERR "Badness in %s at %s:%ld\n",
bug->function, bug->file,
bug->line & ~BUG_WARNING_TRAP);
#endif /* CONFIG_XMON */
printk(KERN_ERR "Badness in %s at %s:%d\n",
printk(KERN_ERR "Badness in %s at %s:%ld\n",
bug->function, bug->file,
bug->line & ~BUG_WARNING_TRAP);
dump_stack();
return 1;
}
#ifdef CONFIG_XMON
xmon_printf(KERN_CRIT "kernel BUG in %s at %s:%d!\n",
xmon_printf(KERN_CRIT "kernel BUG in %s at %s:%ld!\n",
bug->function, bug->file, bug->line);
xmon(regs);
#endif /* CONFIG_XMON */
printk(KERN_CRIT "kernel BUG in %s at %s:%d!\n",
printk(KERN_CRIT "kernel BUG in %s at %s:%ld!\n",
bug->function, bug->file, bug->line);
return 0;

26
include/asm-powerpc/bug.h
View File

@ -12,13 +12,11 @@
#ifndef __ASSEMBLY__
#ifdef __powerpc64__
#define BUG_TABLE_ENTRY(label, line, file, func) \
".llong " #label ", " #line ", " #file ", " #func "\n"
#define TRAP_OP(ra, rb) "1: tdnei " #ra ", " #rb "\n"
#define BUG_TABLE_ENTRY ".llong"
#define BUG_TRAP_OP "tdnei"
#else
#define BUG_TABLE_ENTRY(label, line, file, func) \
".long " #label ", " #line ", " #file ", " #func "\n"
#define TRAP_OP(ra, rb) "1: twnei " #ra ", " #rb "\n"
#define BUG_TABLE_ENTRY ".long"
#define BUG_TRAP_OP "twnei"
#endif /* __powerpc64__ */
struct bug_entry {
@ -41,17 +39,17 @@ struct bug_entry *find_bug(unsigned long bugaddr);
#define BUG() do { \
__asm__ __volatile__( \
"1: twi 31,0,0\n" \
".section __bug_table,\"a\"\n\t" \
BUG_TABLE_ENTRY(1b,%0,%1,%2) \
".section __bug_table,\"a\"\n" \
"\t"BUG_TABLE_ENTRY" 1b,%0,%1,%2\n" \
".previous" \
: : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
} while (0)
#define BUG_ON(x) do { \
__asm__ __volatile__( \
TRAP_OP(%0,0) \
".section __bug_table,\"a\"\n\t" \
BUG_TABLE_ENTRY(1b,%1,%2,%3) \
"1: "BUG_TRAP_OP" %0,0\n" \
".section __bug_table,\"a\"\n" \
"\t"BUG_TABLE_ENTRY" 1b,%1,%2,%3\n" \
".previous" \
: : "r" ((long)(x)), "i" (__LINE__), \
"i" (__FILE__), "i" (__FUNCTION__)); \
@ -59,9 +57,9 @@ struct bug_entry *find_bug(unsigned long bugaddr);
#define WARN_ON(x) do { \
__asm__ __volatile__( \
TRAP_OP(%0,0) \
".section __bug_table,\"a\"\n\t" \
BUG_TABLE_ENTRY(1b,%1,%2,%3) \
"1: "BUG_TRAP_OP" %0,0\n" \
".section __bug_table,\"a\"\n" \
"\t"BUG_TABLE_ENTRY" 1b,%1,%2,%3\n" \
".previous" \
: : "r" ((long)(x)), \
"i" (__LINE__ + BUG_WARNING_TRAP), \