6e0c47ede7
As a follow-up to the introduction of CONFIG_UNWIND_INFO, this separates the generation of frame unwind information for x86-64 from that of full debug information. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#ifndef _DWARF2_H
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#define _DWARF2_H 1
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#include <linux/config.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_UNWIND_INFO
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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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#else
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/* use assembler line comment character # to ignore the arguments. */
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#define CFI_STARTPROC #
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#define CFI_ENDPROC #
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#define CFI_DEF_CFA #
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#define CFI_DEF_CFA_REGISTER #
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#define CFI_DEF_CFA_OFFSET #
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#define CFI_ADJUST_CFA_OFFSET #
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#define CFI_OFFSET #
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#define CFI_REL_OFFSET #
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#define CFI_REGISTER #
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#define CFI_RESTORE #
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#define CFI_REMEMBER_STATE #
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#define CFI_RESTORE_STATE #
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#define CFI_UNDEFINED #
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#endif
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#endif
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