1 /* Assembler macros for ARM.
2 Copyright (C) 1997, 1998, 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #include <sysdeps/generic/sysdep.h>
24 /* Syntactic details of assembler. */
26 #define ALIGNARG(log2) log2
27 /* For ELF we need the `.type' directive to make shared libs work right. */
28 #define ASM_TYPE_DIRECTIVE(name,typearg) .type name,%##typearg;
29 #define ASM_SIZE_DIRECTIVE(name) .size name,.-name
31 /* In ELF C symbols are asm symbols. */
33 #define NO_UNDERSCORES
35 #define PLTJMP(_x) _x##(PLT)
37 /* APCS-32 doesn't preserve the condition codes across function call. */
39 #define LOADREGS(cond, base, reglist...)\
40 ldm##cond base,reglist
42 #define RETINSTR(cond, reg) \
44 #define DO_RET(_reg) \
47 #define RETINSTR(cond, reg) \
49 #define DO_RET(_reg) \
53 #define LOADREGS(cond, base, reglist...)\
54 ldm##cond base,reglist^
55 #define RETINSTR(cond, reg) \
57 #define DO_RET(_reg) \
61 /* Define an entry point visible from C. */
63 ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
64 ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),function) \
71 ASM_SIZE_DIRECTIVE(name)
73 /* If compiled for profiling, call `mcount' at the start of each function. */
80 #define CALL_MCOUNT /* Do nothing. */
84 /* Since C identifiers are not normally prefixed with an underscore
85 on this system, the asm identifier `syscall_error' intrudes on the
86 C name space. Make sure we use an innocuous name. */
87 #define syscall_error __syscall_error
88 #define mcount _mcount
91 #endif /* __ASSEMBLER__ */