| 1 | /* Generic asm macros used on many machines. |
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| 2 | Copyright (C) 1991-2024 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, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef C_LABEL |
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| 20 | |
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| 21 | /* Define a macro we can use to construct the asm name for a C symbol. */ |
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| 22 | # define C_LABEL(name) name##: |
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| 23 | |
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| 24 | #endif |
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| 25 | |
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| 26 | #ifdef __ASSEMBLER__ |
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| 27 | /* Mark the end of function named SYM. This is used on some platforms |
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| 28 | to generate correct debugging information. */ |
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| 29 | # ifndef END |
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| 30 | # define END(sym) |
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| 31 | # endif |
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| 32 | |
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| 33 | # ifndef JUMPTARGET |
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| 34 | # define JUMPTARGET(sym) sym |
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| 35 | # endif |
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| 36 | #endif |
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| 37 | |
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| 38 | /* Macros to generate eh_frame unwind information. */ |
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| 39 | #ifdef __ASSEMBLER__ |
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| 40 | # define cfi_startproc .cfi_startproc |
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| 41 | # define cfi_endproc .cfi_endproc |
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| 42 | # define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off |
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| 43 | # define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg |
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| 44 | # define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off |
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| 45 | # define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off |
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| 46 | # define cfi_offset(reg, off) .cfi_offset reg, off |
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| 47 | # define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off |
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| 48 | # define cfi_register(r1, r2) .cfi_register r1, r2 |
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| 49 | # define cfi_return_column(reg) .cfi_return_column reg |
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| 50 | # define cfi_restore(reg) .cfi_restore reg |
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| 51 | # define cfi_same_value(reg) .cfi_same_value reg |
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| 52 | # define cfi_undefined(reg) .cfi_undefined reg |
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| 53 | # define cfi_remember_state .cfi_remember_state |
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| 54 | # define cfi_restore_state .cfi_restore_state |
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| 55 | # define cfi_window_save .cfi_window_save |
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| 56 | # define cfi_personality(enc, exp) .cfi_personality enc, exp |
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| 57 | # define cfi_lsda(enc, exp) .cfi_lsda enc, exp |
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| 58 | |
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| 59 | #else /* ! ASSEMBLER */ |
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| 60 | |
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| 61 | # define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name) |
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| 62 | # define CFI_STRINGIFY2(Name) #Name |
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| 63 | # define CFI_STARTPROC ".cfi_startproc" |
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| 64 | # define CFI_ENDPROC ".cfi_endproc" |
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| 65 | # define CFI_DEF_CFA(reg, off) \ |
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| 66 | ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) |
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| 67 | # define CFI_DEF_CFA_REGISTER(reg) \ |
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| 68 | ".cfi_def_cfa_register " CFI_STRINGIFY(reg) |
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| 69 | # define CFI_DEF_CFA_OFFSET(off) \ |
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| 70 | ".cfi_def_cfa_offset " CFI_STRINGIFY(off) |
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| 71 | # define CFI_ADJUST_CFA_OFFSET(off) \ |
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| 72 | ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off) |
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| 73 | # define CFI_OFFSET(reg, off) \ |
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| 74 | ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) |
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| 75 | # define CFI_REL_OFFSET(reg, off) \ |
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| 76 | ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) |
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| 77 | # define CFI_REGISTER(r1, r2) \ |
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| 78 | ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2) |
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| 79 | # define CFI_RETURN_COLUMN(reg) \ |
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| 80 | ".cfi_return_column " CFI_STRINGIFY(reg) |
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| 81 | # define CFI_RESTORE(reg) \ |
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| 82 | ".cfi_restore " CFI_STRINGIFY(reg) |
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| 83 | # define CFI_UNDEFINED(reg) \ |
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| 84 | ".cfi_undefined " CFI_STRINGIFY(reg) |
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| 85 | # define CFI_REMEMBER_STATE \ |
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| 86 | ".cfi_remember_state" |
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| 87 | # define CFI_RESTORE_STATE \ |
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| 88 | ".cfi_restore_state" |
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| 89 | # define CFI_WINDOW_SAVE \ |
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| 90 | ".cfi_window_save" |
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| 91 | # define CFI_PERSONALITY(enc, exp) \ |
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| 92 | ".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp) |
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| 93 | # define CFI_LSDA(enc, exp) \ |
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| 94 | ".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp) |
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| 95 | #endif |
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| 96 | |
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| 97 | #include "dwarf2.h" |
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| 98 | |
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