arch/x86/include/asm/dwarf2.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_X86_DWARF2_H
   3 #define _ASM_X86_DWARF2_H
   4
   5 #ifndef __ASSEMBLY__
   6 #warning "asm/dwarf2.h should be only included in pure assembly files"
   7 #endif
   8
   9 #define CFI_STARTPROC           .cfi_startproc
  10 #define CFI_ENDPROC             .cfi_endproc
  11 #define CFI_DEF_CFA             .cfi_def_cfa
  12 #define CFI_DEF_CFA_REGISTER    .cfi_def_cfa_register
  13 #define CFI_DEF_CFA_OFFSET      .cfi_def_cfa_offset
  14 #define CFI_ADJUST_CFA_OFFSET   .cfi_adjust_cfa_offset
  15 #define CFI_OFFSET              .cfi_offset
  16 #define CFI_REL_OFFSET          .cfi_rel_offset
  17 #define CFI_REGISTER            .cfi_register
  18 #define CFI_RESTORE             .cfi_restore
  19 #define CFI_REMEMBER_STATE      .cfi_remember_state
  20 #define CFI_RESTORE_STATE       .cfi_restore_state
  21 #define CFI_UNDEFINED           .cfi_undefined
  22 #define CFI_ESCAPE              .cfi_escape
  23
  24 #ifndef BUILD_VDSO
  25         /*
  26          * Emit CFI data in .debug_frame sections, not .eh_frame sections.
  27          * The latter we currently just discard since we don't do DWARF
  28          * unwinding at runtime.  So only the offline DWARF information is
  29          * useful to anyone.  Note we should not use this directive if we
  30          * ever decide to enable DWARF unwinding at runtime.
  31          */
  32         .cfi_sections .debug_frame
  33 #else
  34          /*
  35           * For the vDSO, emit both runtime unwind information and debug
  36           * symbols for the .dbg file.
  37           */
  38         .cfi_sections .eh_frame, .debug_frame
  39 #endif
  40
  41 #endif /* _ASM_X86_DWARF2_H */