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1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
#ifndef _ASM_X86_DWARF2_H
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#define _ASM_X86_DWARF2_H
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#ifndef __ASSEMBLY__
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#warning "asm/dwarf2.h should be only included in pure assembly files"
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#endif
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/*
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Macros for dwarf2 CFI unwind table entries.
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See "as.info" for details on these pseudo ops. Unfortunately
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they are only supported in very new binutils, so define them
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away for older version.
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*/
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#ifdef CONFIG_AS_CFI
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#define CFI_STARTPROC .cfi_startproc
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#define CFI_ENDPROC .cfi_endproc
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#define CFI_DEF_CFA .cfi_def_cfa
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#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
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#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
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#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
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#define CFI_OFFSET .cfi_offset
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#define CFI_REL_OFFSET .cfi_rel_offset
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#define CFI_REGISTER .cfi_register
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#define CFI_RESTORE .cfi_restore
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#define CFI_REMEMBER_STATE .cfi_remember_state
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#define CFI_RESTORE_STATE .cfi_restore_state
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#define CFI_UNDEFINED .cfi_undefined
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#ifdef CONFIG_AS_CFI_SIGNAL_FRAME
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#define CFI_SIGNAL_FRAME .cfi_signal_frame
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#else
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#define CFI_SIGNAL_FRAME
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#endif
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#else
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/* Due to the structure of pre-exisiting code, don't use assembler line
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comment character # to ignore the arguments. Instead, use a dummy macro. */
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.macro cfi_ignore a=0, b=0, c=0, d=0
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.endm
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#define CFI_STARTPROC cfi_ignore
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#define CFI_ENDPROC cfi_ignore
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#define CFI_DEF_CFA cfi_ignore
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#define CFI_DEF_CFA_REGISTER cfi_ignore
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#define CFI_DEF_CFA_OFFSET cfi_ignore
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#define CFI_ADJUST_CFA_OFFSET cfi_ignore
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#define CFI_OFFSET cfi_ignore
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#define CFI_REL_OFFSET cfi_ignore
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#define CFI_REGISTER cfi_ignore
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#define CFI_RESTORE cfi_ignore
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#define CFI_REMEMBER_STATE cfi_ignore
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#define CFI_RESTORE_STATE cfi_ignore
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#define CFI_UNDEFINED cfi_ignore
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#define CFI_SIGNAL_FRAME cfi_ignore
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#endif
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#endif /* _ASM_X86_DWARF2_H */
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