diff options
Diffstat (limited to 'libc/arch-arm/bionic/exidx_static.c')
-rw-r--r-- | libc/arch-arm/bionic/exidx_static.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libc/arch-arm/bionic/exidx_static.c b/libc/arch-arm/bionic/exidx_static.c new file mode 100644 index 0000000..e79e951 --- /dev/null +++ b/libc/arch-arm/bionic/exidx_static.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +typedef long unsigned int *_Unwind_Ptr; + +/* Find the .ARM.exidx section (which in the case of a static executable + * can be identified through its start and end symbols), and return its + * beginning and numbe of entries to the caller. Note that for static + * executables we do not need to use the value of the PC to find the + * EXIDX section. + */ + +extern unsigned __exidx_end; +extern unsigned __exidx_start; + +_Unwind_Ptr __gnu_Unwind_Find_exidx(_Unwind_Ptr pc __attribute__((unused)), + int *pcount) +{ + *pcount = (__exidx_end-__exidx_start)/8; + return (_Unwind_Ptr)__exidx_start; +} |