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1 | /* Assembler macros for C-SKY. |
---|---|
2 | Copyright (C) 2018-2022 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 | #include <sysdeps/generic/sysdep.h> |
20 | #include <features.h> |
21 | |
22 | #ifdef __ASSEMBLER__ |
23 | |
24 | # define ASM_SIZE_DIRECTIVE(name) .size name,.-name |
25 | |
26 | /* Define an entry point visible from C. */ |
27 | # define ENTRY(name) \ |
28 | .globl name; \ |
29 | .type name,@function; \ |
30 | .align 4; \ |
31 | name##:; \ |
32 | cfi_startproc; \ |
33 | CALL_MCOUNT |
34 | |
35 | # undef END |
36 | # define END(name) \ |
37 | cfi_endproc; \ |
38 | ASM_SIZE_DIRECTIVE(name) |
39 | |
40 | /* If compiled for profiling, call `mcount' at the start of each function. */ |
41 | # ifdef PROF |
42 | # ifdef __PIC__ |
43 | # define CALL_MCOUNT \ |
44 | subi sp, 4; \ |
45 | stw lr, (sp, 0); \ |
46 | grs t0, .Lgetpc; \ |
47 | .Lgetpc: \ |
48 | lrw gb, .Lgetpc@GOTPC; \ |
49 | addu gb, t0; \ |
50 | lrw t1, _mcount@PLT; \ |
51 | ldr.w t0, (gb, t1 << 0); \ |
52 | jmp t0; |
53 | # else |
54 | # define CALL_MCOUNT \ |
55 | subi sp, 4; \ |
56 | stw lr, (sp, 0); \ |
57 | jbsr _mcount; |
58 | # endif |
59 | # else |
60 | # define CALL_MCOUNT /* Do nothing. */ |
61 | # endif |
62 | |
63 | # if defined (__CK860__) |
64 | /* Instruction fetch will be faster when the label is 16 bytes aligned. |
65 | Filling with nop instruction to avoid extra jump. */ |
66 | # define LABLE_ALIGN \ |
67 | .balignw 16, 0x6c03 |
68 | |
69 | # define PRE_BNEZAD(R) |
70 | |
71 | # define BNEZAD(R, L) \ |
72 | bnezad R, L |
73 | # else |
74 | # define LABLE_ALIGN \ |
75 | .balignw 8, 0x6c03 |
76 | |
77 | # define PRE_BNEZAD(R) \ |
78 | subi R, 1 |
79 | |
80 | # define BNEZAD(R, L) \ |
81 | bnez R, L |
82 | # endif |
83 | |
84 | #endif |
85 |
Warning: That file was not part of the compilation database. It may have many parsing errors.