48 lines
1015 B
C
48 lines
1015 B
C
#ifndef __ASM_EXTABLE_H
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#define __ASM_EXTABLE_H
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#ifndef __ASSEMBLY__
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/*
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* The exception table consists of pairs of relative offsets: the first
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* is the relative offset to an instruction that is allowed to fault,
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* and the second is the relative offset at which the program should
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* continue. No registers are modified, so it is entirely up to the
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* continuation code to figure out what to do.
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*/
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struct exception_table_entry {
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int insn, fixup;
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};
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#define ARCH_HAS_RELATIVE_EXTABLE
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extern int fixup_exception(struct pt_regs *regs);
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/*
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* ex_entry - place-relative extable entry
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*/
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asm( ".macro ex_entry, insn, fixup \n"
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".pushsection __ex_table, \"a\", %progbits \n"
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".align 3 \n"
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".long \\insn - . \n"
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".long \\fixup - . \n"
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".popsection \n"
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".endm \n");
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#else
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/*
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* ex_entry - place-relative extable entry
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*/
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.macro ex_entry, insn, fixup
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.pushsection __ex_table, "a", %progbits
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.align 3
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.long \insn - .
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.long \fixup - .
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.popsection
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.endm
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#endif
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#endif
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