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1/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
2
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 ALIGNARG(log2) log2
26# define ASM_SIZE_DIRECTIVE(name) .size name,.-name
27
28/* Define an entry point visible from C. */
29# define ENTRY(name) \
30 .globl C_SYMBOL_NAME(name); \
31 .type C_SYMBOL_NAME(name),@function; \
32 .align ALIGNARG(2); \
33 C_LABEL(name) \
34 CALL_MCOUNT
35
36# undef END
37# define END(name) ASM_SIZE_DIRECTIVE(name)
38
39
40/* If compiled for profiling, call `_mcount' at the start of each function. */
41# ifdef PROF
42/* The mcount code relies on a normal frame pointer being on the stack
43 to locate our caller, so push one just for its benefit. */
44# define CALL_MCOUNT \
45 addik r1,r1,-4; \
46 swi r15,r1,0; \
47 brlid r15,JUMPTARGET(mcount); \
48 nop; \
49 lwi r15,r1,0; \
50 addik r1,r1,4;
51# else
52# define CALL_MCOUNT /* Do nothing. */
53# endif
54
55/* Since C identifiers are not normally prefixed with an underscore
56 on this system, the asm identifier `syscall_error' intrudes on the
57 C name space. Make sure we use an innocuous name. */
58# define syscall_error __syscall_error
59# define mcount _mcount
60
61# define PSEUDO(name, syscall_name, args) \
62 .globl syscall_error; \
63 ENTRY (name) \
64 DO_CALL (syscall_name, args);
65
66# define ret \
67 rtsd r15,8; nop;
68
69# undef PSEUDO_END
70# define PSEUDO_END(name) \
71 END (name)
72
73# undef JUMPTARGET
74# ifdef PIC
75# define JUMPTARGET(name) name##@PLTPC
76# else
77# define JUMPTARGET(name) name
78# endif
79
80/* Local label name for asm code. */
81# ifndef L
82# define L(name) $L##name
83# endif
84
85# endif /* __ASSEMBLER__ */
86

Warning: That file was not part of the compilation database. It may have many parsing errors.