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yaml
---
r: 5391
b: refs/heads/master
c: b6a68a1
h: refs/heads/master
i:
  5389: 34aa442
  5387: d960a38
  5383: ac07ef5
  5375: 7e47747
v: v3
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Andi Kleen authored and Linus Torvalds committed Jul 29, 2005
1 parent 06ac467 commit 844b471
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Showing 2 changed files with 11 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 2275cfa8bcb833cdac7dcc616d11306ca35eec58
refs/heads/master: b6a68a16dc15c65fe76acb7502a806ae415cd3e4
13 changes: 10 additions & 3 deletions trunk/include/asm-x86_64/bug.h
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Expand Up @@ -8,17 +8,24 @@
* this frame.
*/
struct bug_frame {
unsigned char ud2[2];
unsigned char ud2[2];
unsigned char mov;
/* should use 32bit offset instead, but the assembler doesn't
like it */
char *filename;
unsigned char ret;
unsigned short line;
} __attribute__((packed));

#ifdef CONFIG_BUG
#define HAVE_ARCH_BUG
#define BUG() \
asm volatile("ud2 ; .quad %c1 ; .short %c0" :: \
/* We turn the bug frame into valid instructions to not confuse
the disassembler. Thanks to Jan Beulich & Suresh Siddha
for nice instruction selection.
The magic numbers generate mov $64bitimm,%eax ; ret $offset. */
#define BUG() \
asm volatile( \
"ud2 ; .byte 0xa3 ; .quad %c1 ; .byte 0xc2 ; .short %c0" :: \
"i"(__LINE__), "i" (__stringify(__FILE__)))
void out_of_line_bug(void);
#else
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