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Add ffi_cfi.h

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Have one copy of the HAVE_AS_CFI_PSEUDO_OP code
to share between all backends.
This commit is contained in:
Richard Henderson
2014-10-17 10:55:11 -07:00
parent e951d64c08
commit 89bbde8b4e
1 changed files with 55 additions and 0 deletions
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include/ffi_cfi.h Normal file
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/* -----------------------------------------------------------------------
ffi_cfi.h - Copyright (c) 2014 Red Hat, Inc.
Conditionally assemble cfi directives. Only necessary for building libffi.
----------------------------------------------------------------------- */
#ifndef FFI_CFI_H
#define FFI_CFI_H
#ifdef HAVE_AS_CFI_PSEUDO_OP
# 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
# define cfi_escape(...) .cfi_escape __VA_ARGS__
#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)
# define cfi_escape(...)
#endif /* HAVE_AS_CFI_PSEUDO_OP */
#endif /* FFI_CFI_H */