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1/* Assembler macros for Nios II.
2 Copyright (C) 2015-2019 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 License as
7 published by the Free Software Foundation; either version 2.1 of the
8 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 <http://www.gnu.org/licenses/>. */
18
19#include <sysdeps/generic/sysdep.h>
20
21#ifdef __ASSEMBLER__
22
23/* Syntactic details of assembler. */
24
25#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
26
27#define ENTRY(name) \
28 .globl C_SYMBOL_NAME(name); \
29 .type C_SYMBOL_NAME(name),%function; \
30 C_LABEL(name) \
31 cfi_startproc; \
32 CALL_MCOUNT;
33
34#undef END
35#define END(name) \
36 cfi_endproc; \
37 ASM_SIZE_DIRECTIVE(name)
38
39#ifdef PROF
40
41# ifdef __PIC__
42# define CALL_MCOUNT \
43 mov r8, ra; \
44 nextpc r2; \
451: \
46 movhi r3, %hiadj(_gp_got - 1b); \
47 addi r3, r3, %lo(_gp_got - 1b); \
48 add r2, r2, r3; \
49 ldw r2, %call(_mcount)(r2); \
50 callr r2; \
51 mov ra, r8; \
52 ret;
53# else
54# define CALL_MCOUNT \
55 mov r8, ra; \
56 call _mount; \
57 mov ra, r8; \
58 ret;
59# endif
60
61#else
62# define CALL_MCOUNT /* Do nothing. */
63#endif
64
65#endif /* __ASSEMBLER__ */
66

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