cleanup dead variables: is_big, all_pages

modified:   p_lx_elf.cpp
	modified:   p_lx_elf.h

src/p_lx_elf.cpp

@@ -224,7 +224,7 @@ PackLinuxElf64::checkEhdr(Elf64_Ehdr const *ehdr) const
 PackLinuxElf::PackLinuxElf(InputFile *f)
     : super(f), e_phnum(0), dynstr(NULL),
     sz_phdrs(0), sz_elf_hdrs(0), sz_pack2(0), sz_pack2a(0),
-    lg2_page(12), page_size(1u<<lg2_page), is_big(0), is_pie(0),
+    lg2_page(12), page_size(1u<<lg2_page), is_pie(0),
     xct_off(0), xct_va(0), jni_onload_va(0),
     e_machine(0), ei_class(0), ei_data(0), ei_osabi(0), osabi_note(NULL),
     o_elf_shnum(0)
@@ -647,11 +647,9 @@ off_t PackLinuxElf64::pack3(OutputFile *fo, Filter &ft)
 void
 PackLinuxElf::addStubEntrySections(Filter const *)
 {
-    bool all_pages = opt->o_unix.unmap_all_pages | is_big;
     addLoader("ELFMAINX", NULL);
     if (hasLoaderSection("ELFMAINXu")) {
             // brk() trouble if static
-        all_pages |= (Elf32_Ehdr::EM_ARM==e_machine && 0x8000==load_va);
         addLoader("ELFMAINXu", NULL);
     }
    //addLoader(getDecompressorSections(), NULL);

src/p_lx_elf.h

@@ -81,7 +81,6 @@ protected:
     unsigned sz_pack2a;  // after pack2() of all PT_LOAD
     unsigned lg2_page;  // log2(PAGE_SIZE)
     unsigned page_size;  // 1u<<lg2_page
-    bool is_big;  // stub style: must use area above the brk
     bool is_pie;  // is Position-Independent-Executable (ET_DYN main program)
     unsigned xct_off;  // shared library: file offset of SHT_EXECINSTR
     unsigned hatch_off;  // file offset of escape hatch