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3846ef75 | 1 | /* Assembler macros for SH. |
b168057a | 2 | Copyright (C) 1999-2015 Free Software Foundation, Inc. |
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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 | |
41bdb6e2 AJ |
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. | |
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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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
3846ef75 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #include <sysdeps/generic/sysdep.h> | |
20 | ||
21 | #ifdef __ASSEMBLER__ | |
22 | ||
23 | /* Syntactic details of assembler. */ | |
24 | ||
3846ef75 | 25 | #define ALIGNARG(log2) log2 |
3846ef75 UD |
26 | #define ASM_SIZE_DIRECTIVE(name) .size name,.-name |
27 | ||
28 | #ifdef SHARED | |
29 | #define PLTJMP(_x) _x##@PLT | |
30 | #else | |
31 | #define PLTJMP(_x) _x | |
32 | #endif | |
33 | ||
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34 | |
35 | /* Define an entry point visible from C. */ | |
36 | #define ENTRY(name) \ | |
b67e9372 MP |
37 | .globl C_SYMBOL_NAME(name); \ |
38 | .type C_SYMBOL_NAME(name),@function; \ | |
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39 | .align ALIGNARG(5); \ |
40 | C_LABEL(name) \ | |
3ddf7149 | 41 | cfi_startproc; \ |
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42 | CALL_MCOUNT |
43 | ||
44 | #undef END | |
45 | #define END(name) \ | |
3ddf7149 | 46 | cfi_endproc; \ |
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47 | ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(name)) |
48 | ||
49 | /* If compiled for profiling, call `mcount' at the start of each function. */ | |
50 | #ifdef PROF | |
2bfe5fd1 UD |
51 | #define CALL_MCOUNT \ |
52 | mov.l 1f,r1; \ | |
53 | sts.l pr,@-r15; \ | |
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54 | cfi_adjust_cfa_offset (4); \ |
55 | cfi_rel_offset (pr, 0); \ | |
2bfe5fd1 UD |
56 | mova 2f,r0; \ |
57 | jmp @r1; \ | |
58 | lds r0,pr; \ | |
59 | .align 2; \ | |
60 | 1: .long mcount; \ | |
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61 | 2: lds.l @r15+,pr; \ |
62 | cfi_adjust_cfa_offset (-4); \ | |
63 | cfi_restore (pr) | |
64 | ||
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65 | #else |
66 | #define CALL_MCOUNT /* Do nothing. */ | |
67 | #endif | |
68 | ||
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69 | /* Since C identifiers are not normally prefixed with an underscore |
70 | on this system, the asm identifier `syscall_error' intrudes on the | |
71 | C name space. Make sure we use an innocuous name. */ | |
72 | #define syscall_error __syscall_error | |
73 | #define mcount _mcount | |
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74 | |
75 | #endif /* __ASSEMBLER__ */ |