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authorRahul Bedarkar <rahul.bedarkar@imgtec.com>2016-09-18 13:15:38 +0530
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-09-19 18:16:52 +0200
commit2c242092372e9f7f62b881e81e8e798475e0cbb3 (patch)
tree33a26d8f06318f55a0d0bd263498c28bd5a58696 /libc/sysdeps/linux/frv/bits
parent8ae2b54ee70891ddb720bf00f8913c3716c1f67f (diff)
elf-{fdpic, dsbt}.h: avoid void pointer's subtraction
elf-fdpic.h or elf-dsbt.h is included by link.h. When C++ program includes <link.h>, we get following build failure. ../usr/include/bits/elf-fdpic.h: In function 'void* __reloc_pointer(void*, const elf32_fdpic_loadmap*)': ../usr/include/bits/elf-fdpic.h:95: error: invalid use of 'void' void pointer addition and subtraction is not allowed in C++ as it has undetermined size, however in C with language extension it is possible because sizeof void is treated as one byte. Instead of performing subtraction on void pointers, typecast it to char* first. This build failure is detected by Buildroot autobuilder. http://autobuild.buildroot.net/results/a10/a10ed48e6eb8411a3d8372f57c05fd11130da0e0/ Signed-off-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
Diffstat (limited to 'libc/sysdeps/linux/frv/bits')
-rw-r--r--libc/sysdeps/linux/frv/bits/elf-fdpic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/frv/bits/elf-fdpic.h b/libc/sysdeps/linux/frv/bits/elf-fdpic.h
index dddf82ccc..9fcf93fe3 100644
--- a/libc/sysdeps/linux/frv/bits/elf-fdpic.h
+++ b/libc/sysdeps/linux/frv/bits/elf-fdpic.h
@@ -91,7 +91,7 @@ __reloc_pointer (void *p,
/* This should be computed as part of the pointer comparison
above, but we want to use the carry in the comparison, so we
can't convert it to an integer type beforehand. */
- unsigned long offset = p - (void*)map->segs[c].p_vaddr;
+ unsigned long offset = (char*)p - (char*)map->segs[c].p_vaddr;
/* We only check for one-past-the-end for the last segment,
assumed to be the data segment, because other cases are
ambiguous in the absence of padding between segments, and