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- #ifndef _DWARF2_H
- #define _DWARF2_H
- #ifndef __ASSEMBLY__
- #warning "asm/dwarf2.h should be only included in pure assembly files"
- #endif
- /*
- Macros for dwarf2 CFI unwind table entries.
- See "as.info" for details on these pseudo ops. Unfortunately
- they are only supported in very new binutils, so define them
- away for older version.
- */
- #ifdef CONFIG_UNWIND_INFO
- #define CFI_STARTPROC .cfi_startproc
- #define CFI_ENDPROC .cfi_endproc
- #define CFI_DEF_CFA .cfi_def_cfa
- #define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
- #define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
- #define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
- #define CFI_OFFSET .cfi_offset
- #define CFI_REL_OFFSET .cfi_rel_offset
- #define CFI_REGISTER .cfi_register
- #define CFI_RESTORE .cfi_restore
- #define CFI_REMEMBER_STATE .cfi_remember_state
- #define CFI_RESTORE_STATE .cfi_restore_state
- #define CFI_UNDEFINED .cfi_undefined
- #ifdef CONFIG_AS_CFI_SIGNAL_FRAME
- #define CFI_SIGNAL_FRAME .cfi_signal_frame
- #else
- #define CFI_SIGNAL_FRAME
- #endif
- #else
- /* Due to the structure of pre-exisiting code, don't use assembler line
- comment character # to ignore the arguments. Instead, use a dummy macro. */
- .macro ignore a=0, b=0, c=0, d=0
- .endm
- #define CFI_STARTPROC ignore
- #define CFI_ENDPROC ignore
- #define CFI_DEF_CFA ignore
- #define CFI_DEF_CFA_REGISTER ignore
- #define CFI_DEF_CFA_OFFSET ignore
- #define CFI_ADJUST_CFA_OFFSET ignore
- #define CFI_OFFSET ignore
- #define CFI_REL_OFFSET ignore
- #define CFI_REGISTER ignore
- #define CFI_RESTORE ignore
- #define CFI_REMEMBER_STATE ignore
- #define CFI_RESTORE_STATE ignore
- #define CFI_UNDEFINED ignore
- #define CFI_SIGNAL_FRAME ignore
- #endif
- #endif
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