X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gcc%2Fconfig%2Farm%2Funaligned-funcs.c;fp=gcc%2Fconfig%2Farm%2Funaligned-funcs.c;h=4e684f4fc949f88d7d4a78f3d0a069801982978c;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/arm/unaligned-funcs.c b/gcc/config/arm/unaligned-funcs.c new file mode 100644 index 00000000..4e684f4f --- /dev/null +++ b/gcc/config/arm/unaligned-funcs.c @@ -0,0 +1,57 @@ +/* EABI unaligned read/write functions. + + Copyright (C) 2005, 2009 Free Software Foundation, Inc. + Contributed by CodeSourcery, LLC. + + This file is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 3, or (at your option) any + later version. + + This file is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + . */ + +int __aeabi_uread4 (void *); +int __aeabi_uwrite4 (int, void *); +long long __aeabi_uread8 (void *); +long long __aeabi_uwrite8 (long long, void *); + +struct __attribute__((packed)) u4 { int data; }; +struct __attribute__((packed)) u8 { long long data; }; + +int +__aeabi_uread4 (void *ptr) +{ + return ((struct u4 *) ptr)->data; +} + +int +__aeabi_uwrite4 (int data, void *ptr) +{ + ((struct u4 *) ptr)->data = data; + return data; +} + +long long +__aeabi_uread8 (void *ptr) +{ + return ((struct u8 *) ptr)->data; +} + +long long +__aeabi_uwrite8 (long long data, void *ptr) +{ + ((struct u8 *) ptr)->data = data; + return data; +}