linux: Fix gcc -Wparentheses error from 7a0daa6989a9

../../snapshot/elf/elf_image_reader.cc:261:29: error: suggest parentheses around ‘-’ in operand of ‘&’ [-Werror=parentheses]
 #define PAD(x) ((x) + align - 1 & ~(align - 1))
                 ~~~~~~~~~~~~^~~
../../snapshot/elf/elf_image_reader.cc:262:26: note: in expansion of macro ‘PAD’
   size_t padded_namesz = PAD(note_info.n_namesz);
                          ^~~

Change-Id: I5cabc2741c8541ae9cf66933d35658e1cbc20912
Reviewed-on: https://chromium-review.googlesource.com/817575
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
This commit is contained in:
Mark Mentovai 2017-12-08 11:12:32 -05:00 committed by Commit Bot
parent ac3cc1b884
commit c04c05564d

View File

@ -258,7 +258,7 @@ ElfImageReader::NoteReader::Result ElfImageReader::NoteReader::ReadNote(
current_address_ += sizeof(note_info);
constexpr size_t align = sizeof(note_info.n_namesz);
#define PAD(x) ((x) + align - 1 & ~(align - 1))
#define PAD(x) (((x) + align - 1) & ~(align - 1))
size_t padded_namesz = PAD(note_info.n_namesz);
size_t padded_descsz = PAD(note_info.n_descsz);
size_t note_size = padded_namesz + padded_descsz;