1 /* Generic asm macros used on many machines.
2 Copyright (C) 1991-1993,96,98,2002,2003,2009,2011
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 /* Define a macro we can use to construct the asm name for a C symbol. */
24 # ifdef NO_UNDERSCORES
26 # define C_LABEL(name) name##:
28 # define C_LABEL(name) name/**/:
32 # define C_LABEL(name) _##name##:
34 # define C_LABEL(name) _/**/name/**/:
41 /* Mark the end of function named SYM. This is used on some platforms
42 to generate correct debugging information. */
48 # define JUMPTARGET(sym) sym
52 /* Makros to generate eh_frame unwind information. */
53 #ifdef HAVE_ASM_CFI_DIRECTIVES
55 # define cfi_startproc .cfi_startproc
56 # define cfi_endproc .cfi_endproc
57 # define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
58 # define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
59 # define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
60 # define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
61 # define cfi_offset(reg, off) .cfi_offset reg, off
62 # define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
63 # define cfi_register(r1, r2) .cfi_register r1, r2
64 # define cfi_return_column(reg) .cfi_return_column reg
65 # define cfi_restore(reg) .cfi_restore reg
66 # define cfi_same_value(reg) .cfi_same_value reg
67 # define cfi_undefined(reg) .cfi_undefined reg
68 # define cfi_remember_state .cfi_remember_state
69 # define cfi_restore_state .cfi_restore_state
70 # define cfi_window_save .cfi_window_save
71 # define cfi_personality(enc, exp) .cfi_personality enc, exp
72 # define cfi_lsda(enc, exp) .cfi_lsda enc, exp
74 # else /* ! ASSEMBLER */
76 # define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name)
77 # define CFI_STRINGIFY2(Name) #Name
78 # define CFI_STARTPROC ".cfi_startproc"
79 # define CFI_ENDPROC ".cfi_endproc"
80 # define CFI_DEF_CFA(reg, off) \
81 ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
82 # define CFI_DEF_CFA_REGISTER(reg) \
83 ".cfi_def_cfa_register " CFI_STRINGIFY(reg)
84 # define CFI_DEF_CFA_OFFSET(off) \
85 ".cfi_def_cfa_offset " CFI_STRINGIFY(off)
86 # define CFI_ADJUST_CFA_OFFSET(off) \
87 ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off)
88 # define CFI_OFFSET(reg, off) \
89 ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
90 # define CFI_REL_OFFSET(reg, off) \
91 ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
92 # define CFI_REGISTER(r1, r2) \
93 ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
94 # define CFI_RETURN_COLUMN(reg) \
95 ".cfi_return_column " CFI_STRINGIFY(reg)
96 # define CFI_RESTORE(reg) \
97 ".cfi_restore " CFI_STRINGIFY(reg)
98 # define CFI_UNDEFINED(reg) \
99 ".cfi_undefined " CFI_STRINGIFY(reg)
100 # define CFI_REMEMBER_STATE \
101 ".cfi_remember_state"
102 # define CFI_RESTORE_STATE \
104 # define CFI_WINDOW_SAVE \
106 # define CFI_PERSONALITY(enc, exp) \
107 ".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
108 # define CFI_LSDA(enc, exp) \
109 ".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
114 # define CFI_STARTPROC
116 # define CFI_DEF_CFA(reg, off)
117 # define CFI_DEF_CFA_REGISTER(reg)
118 # define CFI_DEF_CFA_OFFSET(off)
119 # define CFI_ADJUST_CFA_OFFSET(off)
120 # define CFI_OFFSET(reg, off)
121 # define CFI_REL_OFFSET(reg, off)
122 # define CFI_REGISTER(r1, r2)
123 # define CFI_RETURN_COLUMN(reg)
124 # define CFI_RESTORE(reg)
125 # define CFI_UNDEFINED(reg)
126 # define CFI_REMEMBER_STATE
127 # define CFI_RESTORE_STATE
128 # define CFI_WINDOW_SAVE
129 # define CFI_PERSONALITY(enc, exp)
130 # define CFI_LSDA(enc, exp)