Merge "Fix ELF header parser bug."

static void load_exidx_header(pid_t pid, map_info_t* mi,

        uintptr_t* out_exidx_start, size_t* out_exidx_size) {

    uint32_t elf_phoff;

    uint32_t elf_phentsize_phnum;

    uint32_t elf_phentsize_ehsize;

    uint32_t elf_shentsize_phnum;

    if (try_get_word_ptrace(pid, mi->start + offsetof(Elf32_Ehdr, e_phoff), &elf_phoff)

            && try_get_word_ptrace(pid, mi->start + offsetof(Elf32_Ehdr, e_ehsize),

                    &elf_phentsize_ehsize)

            && try_get_word_ptrace(pid, mi->start + offsetof(Elf32_Ehdr, e_phnum),

                    &elf_phentsize_phnum)) {

        uint32_t elf_phentsize = elf_phentsize_phnum >> 16;

        uint32_t elf_phnum = elf_phentsize_phnum & 0xffff;

                    &elf_shentsize_phnum)) {

        uint32_t elf_phentsize = elf_phentsize_ehsize >> 16;

        uint32_t elf_phnum = elf_shentsize_phnum & 0xffff;

        for (uint32_t i = 0; i < elf_phnum; i++) {

            uintptr_t elf_phdr = mi->start + elf_phoff + i * elf_phentsize;

            uint32_t elf_phdr_type;