1 /* Generic asm macros used on many machines. 2 Copyright (C) 1991-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef C_LABEL 20 21 /* Define a macro we can use to construct the asm name for a C symbol. */ 22 # define C_LABEL(name) name##: 23 24 #endif 25 26 #ifdef __ASSEMBLER__ 27 /* Mark the end of function named SYM. This is used on some platforms 28 to generate correct debugging information. */ 29 # ifndef END 30 # define END(sym) 31 # endif 32 33 # ifndef JUMPTARGET 34 # define JUMPTARGET(sym) sym 35 # endif 36 #endif 37 38 /* Makros to generate eh_frame unwind information. */ 39 #ifdef __ASSEMBLER__ 40 # define cfi_startproc .cfi_startproc 41 # define cfi_endproc .cfi_endproc 42 # define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off 43 # define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg 44 # define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off 45 # define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off 46 # define cfi_offset(reg, off) .cfi_offset reg, off 47 # define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off 48 # define cfi_register(r1, r2) .cfi_register r1, r2 49 # define cfi_return_column(reg) .cfi_return_column reg 50 # define cfi_restore(reg) .cfi_restore reg 51 # define cfi_same_value(reg) .cfi_same_value reg 52 # define cfi_undefined(reg) .cfi_undefined reg 53 # define cfi_remember_state .cfi_remember_state 54 # define cfi_restore_state .cfi_restore_state 55 # define cfi_window_save .cfi_window_save 56 # define cfi_personality(enc, exp) .cfi_personality enc, exp 57 # define cfi_lsda(enc, exp) .cfi_lsda enc, exp 58 59 #else /* ! ASSEMBLER */ 60 61 # define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name) 62 # define CFI_STRINGIFY2(Name) #Name 63 # define CFI_STARTPROC ".cfi_startproc" 64 # define CFI_ENDPROC ".cfi_endproc" 65 # define CFI_DEF_CFA(reg, off) \ 66 ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) 67 # define CFI_DEF_CFA_REGISTER(reg) \ 68 ".cfi_def_cfa_register " CFI_STRINGIFY(reg) 69 # define CFI_DEF_CFA_OFFSET(off) \ 70 ".cfi_def_cfa_offset " CFI_STRINGIFY(off) 71 # define CFI_ADJUST_CFA_OFFSET(off) \ 72 ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off) 73 # define CFI_OFFSET(reg, off) \ 74 ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) 75 # define CFI_REL_OFFSET(reg, off) \ 76 ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) 77 # define CFI_REGISTER(r1, r2) \ 78 ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2) 79 # define CFI_RETURN_COLUMN(reg) \ 80 ".cfi_return_column " CFI_STRINGIFY(reg) 81 # define CFI_RESTORE(reg) \ 82 ".cfi_restore " CFI_STRINGIFY(reg) 83 # define CFI_UNDEFINED(reg) \ 84 ".cfi_undefined " CFI_STRINGIFY(reg) 85 # define CFI_REMEMBER_STATE \ 86 ".cfi_remember_state" 87 # define CFI_RESTORE_STATE \ 88 ".cfi_restore_state" 89 # define CFI_WINDOW_SAVE \ 90 ".cfi_window_save" 91 # define CFI_PERSONALITY(enc, exp) \ 92 ".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp) 93 # define CFI_LSDA(enc, exp) \ 94 ".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp) 95 #endif 96 97 #include "dwarf2.h" 98