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#ifndef __X86_BUG_H__
#define __X86_BUG_H__
/*
* Please do not include in the header any header that might
* use BUG/ASSERT/etc maros asthey will be defined later after
* the return to <xen/bug.h> from the current header:
*
* <xen/bug.h>:
* ...
* <asm/bug.h>:
* ...
* <any_header_which_uses_BUG/ASSERT/etc macros.h>
* ...
* ...
* #define BUG() ...
* ...
* #define ASSERT() ...
* ...
*/
#ifndef __ASSEMBLY__
#define BUG_DEBUGGER_TRAP_FATAL(regs) debugger_trap_fatal(X86_EXC_GP,regs)
#define BUG_INSTR "ud2"
#define BUG_ASM_CONST "c"
#else /* !__ASSEMBLY__ */
/*
* Construct a bugframe, suitable for using in assembly code. Should always
* match the C version above. One complication is having to stash the strings
* in .rodata
*/
.macro BUG_FRAME type, line, file_str, second_frame, msg
.if \type >= BUGFRAME_NR
.error "Invalid BUGFRAME index"
.endif
.L\@ud: ud2a
.pushsection .rodata.str1, "aMS", @progbits, 1
.L\@s1: .asciz "\file_str"
.popsection
.pushsection .bug_frames.\type, "a", @progbits
.p2align 2
.L\@bf:
.long (.L\@ud - .L\@bf) + \
((\line >> BUG_LINE_LO_WIDTH) << BUG_DISP_WIDTH)
.long (.L\@s1 - .L\@bf) + \
((\line & ((1 << BUG_LINE_LO_WIDTH) - 1)) << BUG_DISP_WIDTH)
.if \second_frame
.pushsection .rodata.str1, "aMS", @progbits, 1
.L\@s2: .asciz "\msg"
.popsection
.long 0, (.L\@s2 - .L\@bf)
.endif
.popsection
.endm
#define WARN BUG_FRAME BUGFRAME_warn, __LINE__, __FILE__, 0, 0
#define BUG BUG_FRAME BUGFRAME_bug, __LINE__, __FILE__, 0, 0
#define ASSERT_FAILED(msg) \
BUG_FRAME BUGFRAME_assert, __LINE__, __FILE__, 1, msg
#endif /* !__ASSEMBLY__ */
#endif /* __X86_BUG_H__ */
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