aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/arm/find_exidx.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/arm/find_exidx.c')
-rw-r--r--sysdeps/arm/find_exidx.c79
1 files changed, 0 insertions, 79 deletions
diff --git a/sysdeps/arm/find_exidx.c b/sysdeps/arm/find_exidx.c
deleted file mode 100644
index 1e6f1dc773..0000000000
--- a/sysdeps/arm/find_exidx.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <link.h>
-#include <unwind.h>
-
-struct unw_eh_callback_data
-{
- _Unwind_Ptr pc;
- _Unwind_Ptr exidx_start;
- int exidx_len;
-};
-
-
-/* Callback to determins if the PC lies within an object, and remember the
- location of the exception index table if it does. */
-
-static int
-find_exidx_callback (struct dl_phdr_info * info, size_t size, void * ptr)
-{
- struct unw_eh_callback_data * data;
- const ElfW(Phdr) *phdr;
- int i;
- int match;
- _Unwind_Ptr load_base;
-
- data = (struct unw_eh_callback_data *) ptr;
- load_base = info->dlpi_addr;
- phdr = info->dlpi_phdr;
-
- match = 0;
- for (i = info->dlpi_phnum; i > 0; i--, phdr++)
- {
- if (phdr->p_type == PT_LOAD)
- {
- _Unwind_Ptr vaddr = phdr->p_vaddr + load_base;
- if (data->pc >= vaddr && data->pc < vaddr + phdr->p_memsz)
- match = 1;
- }
- else if (phdr->p_type == PT_ARM_EXIDX)
- {
- data->exidx_start = (_Unwind_Ptr) (phdr->p_vaddr + load_base);
- data->exidx_len = phdr->p_memsz;
- }
- }
-
- return match;
-}
-
-
-/* Find the exception index table containing PC. */
-
-_Unwind_Ptr
-__gnu_Unwind_Find_exidx (_Unwind_Ptr pc, int * pcount)
-{
- struct unw_eh_callback_data data;
-
- data.pc = pc;
- data.exidx_start = 0;
- if (__dl_iterate_phdr (find_exidx_callback, &data) <= 0)
- return 0;
-
- *pcount = data.exidx_len / 8;
- return data.exidx_start;
-}