| 1 | /* Generic asm macros used on many machines.
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| 2 | Copyright (C) 1991,92,93,96,98,2002,2003 Free Software Foundation, Inc.
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| 3 | This file is part of the GNU C Library.
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| 4 |
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| 5 | The GNU C Library is free software; you can redistribute it and/or
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| 6 | modify it under the terms of the GNU Lesser General Public
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| 7 | License as published by the Free Software Foundation; either
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| 8 | version 2.1 of the License, or (at your option) any later version.
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| 9 |
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| 10 | The GNU C Library is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | Lesser General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU Lesser General Public
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| 16 | License along with the GNU C Library; if not, write to the Free
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| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 18 | 02111-1307 USA. */
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| 19 |
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| 20 | #ifndef C_LABEL
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| 21 |
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| 22 | /* Define a macro we can use to construct the asm name for a C symbol. */
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| 23 | #ifdef NO_UNDERSCORES
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| 24 | #ifdef __STDC__
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| 25 | #define C_LABEL(name) name##:
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| 26 | #else
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| 27 | #define C_LABEL(name) name/**/:
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| 28 | #endif
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| 29 | #else
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| 30 | #ifdef __STDC__
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| 31 | #define C_LABEL(name) _##name##:
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| 32 | #else
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| 33 | #define C_LABEL(name) _/**/name/**/:
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| 34 | #endif
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| 35 | #endif
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| 36 |
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| 37 | #endif
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| 38 |
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| 39 | #ifdef __ASSEMBLER__
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| 40 | /* Mark the end of function named SYM. This is used on some platforms
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| 41 | to generate correct debugging information. */
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| 42 | #ifndef END
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| 43 | #define END(sym)
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| 44 | #endif
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| 45 |
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| 46 | #ifndef JUMPTARGET
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| 47 | #define JUMPTARGET(sym) sym
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| 48 | #endif
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| 49 |
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| 50 | /* Makros to generate eh_frame unwind information. */
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| 51 | # ifdef HAVE_ASM_CFI_DIRECTIVES
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| 52 | # define cfi_startproc .cfi_startproc
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| 53 | # define cfi_endproc .cfi_endproc
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| 54 | # define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
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| 55 | # define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
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| 56 | # define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
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| 57 | # define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
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| 58 | # define cfi_offset(reg, off) .cfi_offset reg, off
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| 59 | # define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
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| 60 | # define cfi_register(r1, r2) .cfi_register r1, r2
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| 61 | # define cfi_return_column(reg) .cfi_return_column reg
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| 62 | # define cfi_restore(reg) .cfi_restore reg
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| 63 | # define cfi_undefined(reg) .cfi_undefined reg
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| 64 | # define cfi_remember_state .cfi_remember_state
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| 65 | # define cfi_restore_state .cfi_restore_state
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| 66 | # define cfi_window_save .cfi_window_save
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| 67 | # else
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| 68 | # define cfi_startproc
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| 69 | # define cfi_endproc
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| 70 | # define cfi_def_cfa(reg, off)
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| 71 | # define cfi_def_cfa_register(reg)
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| 72 | # define cfi_def_cfa_offset(off)
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| 73 | # define cfi_adjust_cfa_offset(off)
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| 74 | # define cfi_offset(reg, off)
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| 75 | # define cfi_rel_offset(reg, off)
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| 76 | # define cfi_register(r1, r2)
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| 77 | # define cfi_return_column(reg)
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| 78 | # define cfi_restore(reg)
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| 79 | # define cfi_undefined(reg)
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| 80 | # define cfi_remember_state
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| 81 | # define cfi_restore_state
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| 82 | # define cfi_window_save
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| 83 | # endif
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| 84 |
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| 85 | #else /* ! ASSEMBLER */
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| 86 | # ifdef HAVE_ASM_CFI_DIRECTIVES
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| 87 | # define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name)
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| 88 | # define CFI_STRINGIFY2(Name) #Name
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| 89 | # define CFI_STARTPROC ".cfi_startproc"
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| 90 | # define CFI_ENDPROC ".cfi_endproc"
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| 91 | # define CFI_DEF_CFA(reg, off) \
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| 92 | ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
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| 93 | # define CFI_DEF_CFA_REGISTER(reg) \
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| 94 | ".cfi_def_cfa_register " CFI_STRINGIFY(reg)
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| 95 | # define CFI_DEF_CFA_OFFSET(off) \
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| 96 | ".cfi_def_cfa_offset " CFI_STRINGIFY(off)
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| 97 | # define CFI_ADJUST_CFA_OFFSET(off) \
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| 98 | ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off)
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| 99 | # define CFI_OFFSET(reg, off) \
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| 100 | ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
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| 101 | # define CFI_REL_OFFSET(reg, off) \
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| 102 | ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
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| 103 | # define CFI_REGISTER(r1, r2) \
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| 104 | ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
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| 105 | # define CFI_RETURN_COLUMN(reg) \
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| 106 | ".cfi_return_column " CFI_STRINGIFY(reg)
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| 107 | # define CFI_RESTORE(reg) \
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| 108 | ".cfi_restore " CFI_STRINGIFY(reg)
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| 109 | # define CFI_UNDEFINED(reg) \
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| 110 | ".cfi_undefined " CFI_STRINGIFY(reg)
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| 111 | # define CFI_REMEMBER_STATE \
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| 112 | ".cfi_remember_state"
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| 113 | # define CFI_RESTORE_STATE \
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| 114 | ".cfi_restore_state"
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| 115 | # define CFI_WINDOW_SAVE \
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| 116 | ".cfi_window_save"
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| 117 | # else
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| 118 | # define CFI_STARTPROC
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| 119 | # define CFI_ENDPROC
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| 120 | # define CFI_DEF_CFA(reg, off)
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| 121 | # define CFI_DEF_CFA_REGISTER(reg)
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| 122 | # define CFI_DEF_CFA_OFFSET(off)
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| 123 | # define CFI_ADJUST_CFA_OFFSET(off)
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| 124 | # define CFI_OFFSET(reg, off)
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| 125 | # define CFI_REL_OFFSET(reg, off)
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| 126 | # define CFI_REGISTER(r1, r2)
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| 127 | # define CFI_RETURN_COLUMN(reg)
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| 128 | # define CFI_RESTORE(reg)
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| 129 | # define CFI_UNDEFINED(reg)
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| 130 | # define CFI_REMEMBER_STATE
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| 131 | # define CFI_RESTORE_STATE
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| 132 | # define CFI_WINDOW_SAVE
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| 133 | # endif
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| 134 |
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| 135 | #endif /* __ASSEMBLER__ */
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