/* Generic asm macros used on many machines.
   Copyright (C) 1991,92,93,96,98,2002,2003,2009 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifdef __ASSEMBLER__

/* Makros to generate eh_frame unwind information.  */
#ifdef HAVE_ASM_CFI_DIRECTIVES
#define cfi_startproc              .cfi_startproc
#define cfi_endproc                .cfi_endproc
#define cfi_def_cfa(reg, off)      .cfi_def_cfa reg, off
#define cfi_def_cfa_register(reg)  .cfi_def_cfa_register reg
#define cfi_def_cfa_offset(off)    .cfi_def_cfa_offset off
#define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
#define cfi_offset(reg, off)       .cfi_offset reg, off
#define cfi_rel_offset(reg, off)   .cfi_rel_offset reg, off
#define cfi_register(r1, r2)       .cfi_register r1, r2
#define cfi_return_column(reg)     .cfi_return_column reg
#define cfi_restore(reg)           .cfi_restore reg
#define cfi_same_value(reg)        .cfi_same_value reg
#define cfi_undefined(reg)         .cfi_undefined reg
#define cfi_remember_state         .cfi_remember_state
#define cfi_restore_state          .cfi_restore_state
#define cfi_window_save            .cfi_window_save
#define cfi_personality(enc, exp)  .cfi_personality enc, exp
#define cfi_lsda(enc, exp)         .cfi_lsda enc, exp
#else
#define cfi_startproc
#define cfi_endproc
#define cfi_def_cfa(reg, off)
#define cfi_def_cfa_register(reg)
#define cfi_def_cfa_offset(off)
#define cfi_adjust_cfa_offset(off)
#define cfi_offset(reg, off)
#define cfi_rel_offset(reg, off)
#define cfi_register(r1, r2)
#define cfi_return_column(reg)
#define cfi_restore(reg)
#define cfi_same_value(reg)
#define cfi_undefined(reg)
#define cfi_remember_state
#define cfi_restore_state
#define cfi_window_save
#define cfi_personality(enc, exp)
#define cfi_lsda(enc, exp)
#endif

#else /* ! ASSEMBLER */
#ifdef HAVE_ASM_CFI_DIRECTIVES
#define CFI_STRINGIFY(Name)        CFI_STRINGIFY2(Name)
#define CFI_STRINGIFY2(Name)       #Name
#define CFI_STARTPROC              ".cfi_startproc"
#define CFI_ENDPROC                ".cfi_endproc"
#define CFI_DEF_CFA(reg, off)      ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
#define CFI_DEF_CFA_REGISTER(reg)  ".cfi_def_cfa_register " CFI_STRINGIFY(reg)
#define CFI_DEF_CFA_OFFSET(off)    ".cfi_def_cfa_offset " CFI_STRINGIFY(off)
#define CFI_ADJUST_CFA_OFFSET(off) ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off)
#define CFI_OFFSET(reg, off)       ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
#define CFI_REL_OFFSET(reg, off)   ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
#define CFI_REGISTER(r1, r2)       ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
#define CFI_RETURN_COLUMN(reg)     ".cfi_return_column " CFI_STRINGIFY(reg)
#define CFI_RESTORE(reg)           ".cfi_restore " CFI_STRINGIFY(reg)
#define CFI_UNDEFINED(reg)         ".cfi_undefined " CFI_STRINGIFY(reg)
#define CFI_REMEMBER_STATE         ".cfi_remember_state"
#define CFI_RESTORE_STATE          ".cfi_restore_state"
#define CFI_WINDOW_SAVE            ".cfi_window_save"
#define CFI_PERSONALITY(enc, exp)  ".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
#define CFI_LSDA(enc, exp)         ".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
#else
#define CFI_STARTPROC
#define CFI_ENDPROC
#define CFI_DEF_CFA(reg, off)
#define CFI_DEF_CFA_REGISTER(reg)
#define CFI_DEF_CFA_OFFSET(off)
#define CFI_ADJUST_CFA_OFFSET(off)
#define CFI_OFFSET(reg, off)
#define CFI_REL_OFFSET(reg, off)
#define CFI_REGISTER(r1, r2)
#define CFI_RETURN_COLUMN(reg)
#define CFI_RESTORE(reg)
#define CFI_UNDEFINED(reg)
#define CFI_REMEMBER_STATE
#define CFI_RESTORE_STATE
#define CFI_WINDOW_SAVE
#define CFI_PERSONALITY(enc, exp)
#define CFI_LSDA(enc, exp)
#endif

#endif /* __ASSEMBLER__ */

/* Values used for encoding parameter of cfi_personality and cfi_lsda.  */
#define DW_EH_PE_absptr   0x00
#define DW_EH_PE_omit     0xff
#define DW_EH_PE_uleb128  0x01
#define DW_EH_PE_udata2   0x02
#define DW_EH_PE_udata4   0x03
#define DW_EH_PE_udata8   0x04
#define DW_EH_PE_sleb128  0x09
#define DW_EH_PE_sdata2   0x0a
#define DW_EH_PE_sdata4   0x0b
#define DW_EH_PE_sdata8   0x0c
#define DW_EH_PE_signed   0x08
#define DW_EH_PE_pcrel    0x10
#define DW_EH_PE_textrel  0x20
#define DW_EH_PE_datarel  0x30
#define DW_EH_PE_funcrel  0x40
#define DW_EH_PE_aligned  0x50
#define DW_EH_PE_indirect 0x80