From 1dc9e472e19acfe6dc7f41e429236e7eef7ceda1 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 19:28:35 -0800 Subject: auto import from //depot/cupcake/@135843 --- libc/arch-arm/bionic/exidx_dynamic.c | 47 ++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 libc/arch-arm/bionic/exidx_dynamic.c (limited to 'libc/arch-arm/bionic/exidx_dynamic.c') diff --git a/libc/arch-arm/bionic/exidx_dynamic.c b/libc/arch-arm/bionic/exidx_dynamic.c new file mode 100644 index 0000000..962606f --- /dev/null +++ b/libc/arch-arm/bionic/exidx_dynamic.c @@ -0,0 +1,47 @@ +/* + * 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; + +/* Stubbed out in libdl and defined in the dynamic linker. + * Same semantics as __gnu_Unwind_Find_exidx(). + */ +extern _Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc, int *pcount); + +/* For a given PC, find the .so that it belongs to. + * Returns the base address of the .ARM.exidx section + * for that .so, and the number of 8-byte entries + * in that section (via *pcount). + * + * libgcc declares __gnu_Unwind_Find_exidx() as a weak symbol, with + * the expectation that libc will define it and call through to + * a differently-named function in the dynamic linker. + */ +_Unwind_Ptr __gnu_Unwind_Find_exidx(_Unwind_Ptr pc, int *pcount) +{ + return dl_unwind_find_exidx(pc, pcount); +} -- cgit v1.1