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yaml
---
r: 11445
b: refs/heads/master
c: 25433b1
h: refs/heads/master
i:
  11443: 8f774fc
v: v3
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Becky Bruce authored and Paul Mackerras committed Sep 21, 2005
1 parent 60b3053 commit 5a09c5a
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Showing 5 changed files with 29 additions and 75 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3e57615bb5a8b6208627049884ee441f6d05905e
refs/heads/master: 25433b123ce1a3da78ddd9b848484bca91cbb7a1
2 changes: 1 addition & 1 deletion trunk/arch/ppc/kernel/traps.c
Original file line number Diff line number Diff line change
Expand Up @@ -575,7 +575,7 @@ extern struct bug_entry __start___bug_table[], __stop___bug_table[];
#define module_find_bug(x) NULL
#endif

static struct bug_entry *find_bug(unsigned long bugaddr)
struct bug_entry *find_bug(unsigned long bugaddr)
{
struct bug_entry *bug;

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4 changes: 2 additions & 2 deletions trunk/arch/ppc64/kernel/traps.c
Original file line number Diff line number Diff line change
Expand Up @@ -390,12 +390,12 @@ check_bug_trap(struct pt_regs *regs)
/* this is a WARN_ON rather than BUG/BUG_ON */
printk(KERN_ERR "Badness in %s at %s:%d\n",
bug->function, bug->file,
(unsigned int)bug->line & ~BUG_WARNING_TRAP);
bug->line & ~BUG_WARNING_TRAP);
show_stack(current, (void *)regs->gpr[1]);
return 1;
}
printk(KERN_CRIT "kernel BUG in %s at %s:%d!\n",
bug->function, bug->file, (unsigned int)bug->line);
bug->function, bug->file, bug->line);
return 0;
}

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38 changes: 25 additions & 13 deletions trunk/include/asm-ppc64/bug.h → trunk/include/asm-powerpc/bug.h
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
#ifndef _PPC64_BUG_H
#define _PPC64_BUG_H
#ifndef _ASM_POWERPC_BUG_H
#define _ASM_POWERPC_BUG_H

/*
* Define an illegal instr to trap on the bug.
Expand All @@ -11,9 +11,21 @@

#ifndef __ASSEMBLY__

#ifdef __powerpc64__
#define BUG_TABLE_ENTRY(label, line, file, func) \
".llong " #label "\n .long " #line "\n .llong " #file ", " #func "\n"
#define TRAP_OP(ra, rb) "1: tdnei " #ra ", " #rb "\n"
#define DATA_TYPE long long
#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 DATA_TYPE int
#endif /* __powerpc64__ */

struct bug_entry {
unsigned long bug_addr;
long line;
int line;
const char *file;
const char *function;
};
Expand All @@ -32,38 +44,38 @@ struct bug_entry *find_bug(unsigned long bugaddr);
__asm__ __volatile__( \
"1: twi 31,0,0\n" \
".section __bug_table,\"a\"\n\t" \
" .llong 1b,%0,%1,%2\n" \
BUG_TABLE_ENTRY(1b,%0,%1,%2) \
".previous" \
: : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
} while (0)

#define BUG_ON(x) do { \
__asm__ __volatile__( \
"1: tdnei %0,0\n" \
TRAP_OP(%0,0) \
".section __bug_table,\"a\"\n\t" \
" .llong 1b,%1,%2,%3\n" \
BUG_TABLE_ENTRY(1b,%1,%2,%3) \
".previous" \
: : "r" ((long long)(x)), "i" (__LINE__), \
: : "r" ((DATA_TYPE)(x)), "i" (__LINE__), \
"i" (__FILE__), "i" (__FUNCTION__)); \
} while (0)

#define WARN_ON(x) do { \
__asm__ __volatile__( \
"1: tdnei %0,0\n" \
TRAP_OP(%0,0) \
".section __bug_table,\"a\"\n\t" \
" .llong 1b,%1,%2,%3\n" \
BUG_TABLE_ENTRY(1b,%1,%2,%3) \
".previous" \
: : "r" ((long long)(x)), \
: : "r" ((DATA_TYPE)(x)), \
"i" (__LINE__ + BUG_WARNING_TRAP), \
"i" (__FILE__), "i" (__FUNCTION__)); \
} while (0)

#define HAVE_ARCH_BUG
#define HAVE_ARCH_BUG_ON
#define HAVE_ARCH_WARN_ON
#endif
#endif
#endif /* CONFIG_BUG */
#endif /* __ASSEMBLY __ */

#include <asm-generic/bug.h>

#endif
#endif /* _ASM_POWERPC_BUG_H */
58 changes: 0 additions & 58 deletions trunk/include/asm-ppc/bug.h

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