Handle R_X86_64_32 like R_X86_64_64 for ILP32.
bfd/ 2011-01-14 H.J. Lu <hongjiu.lu@intel.com> * elf64-x86-64.c (elf_x86_64_link_hash_table): Add pointer_r_type. (elf_x86_64_link_hash_table_create): Set pointer_r_type. (elf_x86_64_check_relocs): Handle R_X86_64_32 like R_X86_64_64 for ILP32. Remove ABI_64_P PIC check for R_X86_64_8, R_X86_64_16, R_X86_64_32 and R_X86_64_32S. (elf_x86_64_relocate_section): Handle R_X86_64_32 like R_X86_64_64 for ILP32. ld/testsuite/ 2011-01-14 H.J. Lu <hongjiu.lu@intel.com> * ld-x86-64/ilp32-5.d: New. * ld-x86-64/ilp32-5.s: Likewise. * ld-x86-64/x86-64.exp: Run ilp32-5.
This commit is contained in:
H.J. Lu
parent
2c291032cc
commit
248775ba37
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@ -1,3 +1,13 @@
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2011-01-14 H.J. Lu <hongjiu.lu@intel.com>
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* elf64-x86-64.c (elf_x86_64_link_hash_table): Add pointer_r_type.
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(elf_x86_64_link_hash_table_create): Set pointer_r_type.
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(elf_x86_64_check_relocs): Handle R_X86_64_32 like R_X86_64_64
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for ILP32. Remove ABI_64_P PIC check for R_X86_64_8,
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R_X86_64_16, R_X86_64_32 and R_X86_64_32S.
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(elf_x86_64_relocate_section): Handle R_X86_64_32 like R_X86_64_64
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for ILP32.
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2011-01-14 Alan Modra <amodra@gmail.com>
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* bfd.c (bfd_perror): Flush stdout before and stderr after printing
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@ -495,6 +495,7 @@ struct elf_x86_64_link_hash_table
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bfd_vma (*r_info) (bfd_vma, bfd_vma);
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bfd_vma (*r_sym) (bfd_vma);
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unsigned int pointer_r_type;
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const char *dynamic_interpreter;
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int dynamic_interpreter_size;
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@ -658,6 +659,7 @@ elf_x86_64_link_hash_table_create (bfd *abfd)
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{
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ret->r_info = elf64_r_info;
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ret->r_sym = elf64_r_sym;
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ret->pointer_r_type = R_X86_64_64;
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ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
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ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
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}
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@ -665,6 +667,7 @@ elf_x86_64_link_hash_table_create (bfd *abfd)
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{
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ret->r_info = elf32_r_info;
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ret->r_sym = elf32_r_sym;
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ret->pointer_r_type = R_X86_64_32;
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ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
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ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
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}
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@ -1232,6 +1235,9 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
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bfd_set_error (bfd_error_bad_value);
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return FALSE;
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case R_X86_64_32:
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if (ABI_64_P (abfd))
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goto not_pointer;
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case R_X86_64_64:
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h->non_got_ref = 1;
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h->pointer_equality_needed = 1;
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@ -1249,9 +1255,9 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
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break;
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case R_X86_64_32S:
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case R_X86_64_32:
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case R_X86_64_PC32:
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case R_X86_64_PC64:
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not_pointer:
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h->non_got_ref = 1;
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if (r_type != R_X86_64_PC32
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&& r_type != R_X86_64_PC64)
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@ -1448,16 +1454,17 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
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}
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goto create_got;
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case R_X86_64_32:
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if (!ABI_64_P (abfd))
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goto pointer;
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case R_X86_64_8:
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case R_X86_64_16:
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case R_X86_64_32:
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case R_X86_64_32S:
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/* Let's help debug shared library creation. These relocs
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cannot be used in shared libs. Don't error out for
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sections we don't care about, such as debug sections or
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non-constant sections. */
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if (info->shared
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&& ABI_64_P (abfd)
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&& (sec->flags & SEC_ALLOC) != 0
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&& (sec->flags & SEC_READONLY) != 0)
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{
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@ -1478,6 +1485,7 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
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case R_X86_64_PC32:
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case R_X86_64_PC64:
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case R_X86_64_64:
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pointer:
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if (h != NULL && info->executable)
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{
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/* If this reloc is in a read-only section, we might
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@ -2830,6 +2838,9 @@ elf_x86_64_relocate_section (bfd *output_bfd,
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abort ();
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goto do_relocation;
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case R_X86_64_32:
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if (ABI_64_P (output_bfd))
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goto do_relocation;
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case R_X86_64_64:
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if (rel->r_addend != 0)
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{
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@ -2894,7 +2905,6 @@ elf_x86_64_relocate_section (bfd *output_bfd,
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continue;
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}
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case R_X86_64_32:
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case R_X86_64_PC32:
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case R_X86_64_PC64:
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case R_X86_64_PLT32:
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@ -3307,7 +3317,7 @@ elf_x86_64_relocate_section (bfd *output_bfd,
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else
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{
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/* This symbol is local, or marked to become local. */
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if (r_type == R_X86_64_64)
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if (r_type == htab->pointer_r_type)
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{
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relocate = TRUE;
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outrel.r_info = htab->r_info (0, R_X86_64_RELATIVE);
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@ -1,3 +1,10 @@
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2011-01-14 H.J. Lu <hongjiu.lu@intel.com>
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* ld-x86-64/ilp32-5.d: New.
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* ld-x86-64/ilp32-5.s: Likewise.
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* ld-x86-64/x86-64.exp: Run ilp32-5.
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2011-01-13 H.J. Lu <hongjiu.lu@intel.com>
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* ld-x86-64/ilp32-4.d: New.
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@ -0,0 +1,8 @@
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#as: --n32
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#ld: -m elf32_x86_64 -shared
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#readelf: -r --wide
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#...
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[0-9a-f]+ +[0-9a-f]+ +R_X86_64_RELATIVE +[0-9a-f]+
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[0-9a-f]+ +[0-9a-f]+ +R_X86_64_PC32 +[0-9a-f]+ +foo - 4
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[0-9a-f]+ +[0-9a-f]+ +R_X86_64_32 +[0-9a-f]+ +foo \+ 0
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@ -0,0 +1,8 @@
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.globl bar
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bar:
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mov foo(%rip), %rax
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.data
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xxx:
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.long foo
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.long xxx
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@ -176,6 +176,7 @@ run_dump_test "ilp32-1"
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run_dump_test "ilp32-2"
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run_dump_test "ilp32-3"
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run_dump_test "ilp32-4"
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run_dump_test "ilp32-5"
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run_dump_test "ia32-1"
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run_dump_test "ia32-2"
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run_dump_test "ia32-3"
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