Silence some compilation warnings.

src/p_lx_elf.cpp

@@ -47,7 +47,7 @@
 #define PT_NOTE32   Elf32_Phdr::PT_NOTE
 #define PT_NOTE64   Elf64_Phdr::PT_NOTE
 
-static unsigned const EF_ARM_HASENTRY = 0x02;
+//static unsigned const EF_ARM_HASENTRY = 0x02;
 static unsigned const EF_ARM_EABI_VER4 = 0x04000000;
 static unsigned const EF_ARM_EABI_VER5 = 0x05000000;
 
@@ -1703,7 +1703,7 @@ PackNetBSDElf32x86::generateElfHdr(
     unsigned char *cp = note_body;
     unsigned j;
     for (j=0; j < note_size; ) {
-        Elf32_Nhdr const *const np = (Elf32_Nhdr const *)cp;
+        Elf32_Nhdr const *const np = (Elf32_Nhdr const *)(void *)cp;
         int k = sizeof(*np) + up4(get_te32(&np->namesz))
             + up4(get_te32(&np->descsz));
 
@@ -1754,7 +1754,7 @@ PackNetBSDElf32x86::generateElfHdr(
         unsigned bits = get_te32(&np_PaX->body[4]);
         bits &= ~PAX_MPROTECT;
         bits |=  PAX_NOMPROTECT;
-        set_te32((unsigned *)&np_PaX->body[4], bits);
+        set_te32(ACC_UNCONST_CAST(unsigned char *, &np_PaX->body[4]), bits);
 
         sz_elf_hdrs += sz_PaX + sizeof(*phdr);
         note_offset += sz_PaX;
@@ -1790,7 +1790,7 @@ PackOpenBSDElf32x86::generateElfHdr(
     unsigned const brka
 )
 {
-    cprElfHdr3 *const h3 = (cprElfHdr3 *)&elfout;
+    cprElfHdr3 *const h3 = (cprElfHdr3 *)(void *)&elfout;
     memcpy(h3, proto, sizeof(*h3));  // reads beyond, but OK
     h3->ehdr.e_ident[Elf32_Ehdr::EI_OSABI] = ei_osabi;
     assert(2==get_te16(&h3->ehdr.e_phnum));
@@ -2913,7 +2913,7 @@ Linker* PackLinuxElf32armBe::newLinker() const
 }
 
 unsigned
-PackLinuxElf32::elf_get_offset_from_address(acc_uint64l_t const addr) const
+PackLinuxElf32::elf_get_offset_from_address(unsigned const addr) const
 {
     Elf32_Phdr const *phdr = phdri;
     int j = e_phnum;
@@ -2963,7 +2963,7 @@ PackLinuxElf32::elf_unsigned_dynamic(unsigned int const key) const
     return 0;
 }
 
-unsigned
+acc_uint64l_t
 PackLinuxElf64::elf_get_offset_from_address(acc_uint64l_t const addr) const
 {
     Elf64_Phdr const *phdr = phdri;

src/p_lx_elf.h

@@ -63,8 +63,7 @@ protected:
     virtual void addStubEntrySections(Filter const *);
     virtual void unpack(OutputFile *fo);
 
-    virtual unsigned elf_get_offset_from_address(acc_uint64l_t) const = 0;
+    //virtual void const *elf_find_dynamic(unsigned) const = 0;
-    virtual void const *elf_find_dynamic(unsigned) const = 0;
     virtual acc_uint64l_t elf_unsigned_dynamic(unsigned) const = 0;
 
 protected:
@@ -134,7 +133,7 @@ protected:
     static unsigned elf_hash(char const *) /*const*/;
     static unsigned gnu_hash(char const *) /*const*/;
     virtual Elf32_Sym const *elf_lookup(char const *) const;
-    virtual unsigned elf_get_offset_from_address(acc_uint64l_t) const;
+    virtual unsigned elf_get_offset_from_address(unsigned) const;
     Elf32_Shdr const *elf_find_section_name(char const *) const;
     Elf32_Shdr const *elf_find_section_type(unsigned) const;
     void const *elf_find_dynamic(unsigned) const;
@@ -241,7 +240,7 @@ protected:
     virtual unsigned find_LOAD_gap(Elf64_Phdr const *const phdri, unsigned const k,
         unsigned const e_phnum);
 
-    virtual unsigned elf_get_offset_from_address(acc_uint64l_t) const;
+    virtual acc_uint64l_t elf_get_offset_from_address(acc_uint64l_t) const;
     Elf64_Shdr const *elf_find_section_name(char const *) const;
     Elf64_Shdr const *elf_find_section_type(unsigned) const;
     void const *elf_find_dynamic(unsigned) const;

src/p_lx_interp.cpp

@@ -114,7 +114,7 @@ void PackLinuxElf32x86interp::pack1(OutputFile *fo, Filter &)
     h3.phdr[2].p_align = 1;
 
     if (opt->o_unix.make_ptinterp) { // unusual "once per release"
-        *(cprElfHdr3 *)&elfout = h3;
+        *(cprElfHdr3 *)(void *)&elfout = h3;
         elfout.ehdr.e_phnum = 1;
         fo->write(&elfout, elfout.ehdr.e_ehsize + elfout.ehdr.e_phentsize);
     }

src/p_vmlinx.cpp

@@ -1079,8 +1079,8 @@ void PackVmlinuxAMD64::defineDecompressorSymbols()
     // We assume a 32-bit boot loader, so we use the 32-bit convention
     // of "enter at the beginning" (startup_32).  The 64-bit convention
     // would be to use ehdri.e_entry (startup_64).
-    linker->defineSymbol("ENTRY_POINT", phdri[0].p_paddr);
+    linker->defineSymbol("ENTRY_POINT", (unsigned) phdri[0].p_paddr);
-    linker->defineSymbol("PHYSICAL_START", phdri[0].p_paddr);
+    linker->defineSymbol("PHYSICAL_START", (unsigned) phdri[0].p_paddr);
 }
 
 unsigned PackVmlinuxARMEL::write_vmlinux_head(