1 | /* Generic asm macros used on many machines. |
2 | Copyright (C) 1991-2024 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 | /* Macros 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 | |