2012-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* elf64-s390.c (elf_s390x_plt_entry, elf_s390x_first_plt_entry): New definitions. (PLT_PIC_ENTRY_WORD*, PLT_PIC12_ENTRY_WORD*): Remove. (elf_s390_finish_dynamic_symbol): Use memcpy instead of bfd_put_32. (elf_s390_finish_dynamic_sections): Likewise. * elf32-s390.c (elf_s390_plt_entry, elf_s390_plt_pic_entry) (elf_s390_plt_pic12_entry, elf_s390_plt_pic16_entry) (elf_s390_plt_first_entry, elf_s390_plt_pic_first_entry): New definitions. (PLT_PIC16_ENTRY_WORD*, PLT_ENTRY_WORD*) (PLT_PIC_FIRST_ENTRY_WORD*, PLT_FIRST_ENTRY_WORD*): Remove.
This commit is contained in:
parent
00d8c7a9d4
commit
9aa174530d
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@ -1,3 +1,16 @@
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2012-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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* elf64-s390.c (elf_s390x_plt_entry, elf_s390x_first_plt_entry):
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New definitions.
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(PLT_PIC_ENTRY_WORD*, PLT_PIC12_ENTRY_WORD*): Remove.
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(elf_s390_finish_dynamic_symbol): Use memcpy instead of bfd_put_32.
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(elf_s390_finish_dynamic_sections): Likewise.
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* elf32-s390.c (elf_s390_plt_entry, elf_s390_plt_pic_entry)
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(elf_s390_plt_pic12_entry, elf_s390_plt_pic16_entry)
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(elf_s390_plt_first_entry, elf_s390_plt_pic_first_entry): New definitions.
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(PLT_PIC16_ENTRY_WORD*, PLT_ENTRY_WORD*)
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(PLT_PIC_FIRST_ENTRY_WORD*, PLT_FIRST_ENTRY_WORD*): Remove.
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2012-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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* elf32-s390.c (struct elf_s390_dyn_relocs): Remove.
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223
bfd/elf32-s390.c
223
bfd/elf32-s390.c
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@ -569,29 +569,65 @@ RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
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.long ? # 4 bytes address of GOT entry
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.long ? # 4 bytes offset into symbol table */
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#define PLT_PIC_ENTRY_WORD0 0x0d105810
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#define PLT_PIC_ENTRY_WORD1 0x10165811
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#define PLT_PIC_ENTRY_WORD2 0xc00007f1
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#define PLT_PIC_ENTRY_WORD3 0x0d105810
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#define PLT_PIC_ENTRY_WORD4 0x100ea7f4
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static const bfd_byte elf_s390_plt_entry[PLT_ENTRY_SIZE] =
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{
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
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0x58, 0x10, 0x10, 0x00, /* l %r1,0(%r1) */
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0x07, 0xf1, /* br %r1 */
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
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0xa7, 0xf4, 0x00, 0x00, /* j first plt */
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0x00, 0x00, /* padding */
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0x00, 0x00, 0x00, 0x00, /* GOT offset */
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0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
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};
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#define PLT_PIC12_ENTRY_WORD0 0x5810c000
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#define PLT_PIC12_ENTRY_WORD1 0x07f10000
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#define PLT_PIC12_ENTRY_WORD2 0x00000000
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#define PLT_PIC12_ENTRY_WORD3 0x0d105810
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#define PLT_PIC12_ENTRY_WORD4 0x100ea7f4
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/* Generic PLT pic entry. */
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static const bfd_byte elf_s390_plt_pic_entry[PLT_ENTRY_SIZE] =
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{
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
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0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
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0x07, 0xf1, /* br %r1 */
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
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0xa7, 0xf4, 0x00, 0x00, /* j first plt */
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0x00, 0x00, /* padding */
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0x00, 0x00, 0x00, 0x00, /* GOT offset */
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0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
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};
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#define PLT_PIC16_ENTRY_WORD0 0xa7180000
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#define PLT_PIC16_ENTRY_WORD1 0x5811c000
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#define PLT_PIC16_ENTRY_WORD2 0x07f10000
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#define PLT_PIC16_ENTRY_WORD3 0x0d105810
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#define PLT_PIC16_ENTRY_WORD4 0x100ea7f4
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/* Optimized PLT pic entry for GOT offset < 4k. xx will be replaced
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when generating the PLT slot with the GOT offset. */
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static const bfd_byte elf_s390_plt_pic12_entry[PLT_ENTRY_SIZE] =
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{
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0x58, 0x10, 0xc0, 0x00, /* l %r1,xx(%r12) */
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0x07, 0xf1, /* br %r1 */
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0x00, 0x00, 0x00, 0x00, /* padding */
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0x00, 0x00,
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
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0xa7, 0xf4, 0x00, 0x00, /* j first plt */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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};
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#define PLT_ENTRY_WORD0 0x0d105810
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#define PLT_ENTRY_WORD1 0x10165810
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#define PLT_ENTRY_WORD2 0x100007f1
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#define PLT_ENTRY_WORD3 0x0d105810
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#define PLT_ENTRY_WORD4 0x100ea7f4
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/* Optimized PLT pic entry for GOT offset < 32k. xx will be replaced
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when generating the PLT slot with the GOT offset. */
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static const bfd_byte elf_s390_plt_pic16_entry[PLT_ENTRY_SIZE] =
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{
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0xa7, 0x18, 0x00, 0x00, /* lhi %r1,xx */
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0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
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0x07, 0xf1, /* br %r1 */
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0x00, 0x00,
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
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0xa7, 0xf4, 0x00, 0x00, /* j first plt */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00
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};
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/* The first PLT entry pushes the offset into the symbol table
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from R1 onto the stack at 8(15) and the loader object info
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.word 0 # filler
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.long got # address of GOT */
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#define PLT_PIC_FIRST_ENTRY_WORD0 0x5010f01c
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#define PLT_PIC_FIRST_ENTRY_WORD1 0x5810c004
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#define PLT_PIC_FIRST_ENTRY_WORD2 0x5010f018
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#define PLT_PIC_FIRST_ENTRY_WORD3 0x5810c008
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#define PLT_PIC_FIRST_ENTRY_WORD4 0x07f10000
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static const bfd_byte elf_s390_plt_first_entry[PLT_FIRST_ENTRY_SIZE] =
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{
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0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
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0x0d, 0x10, /* basr %r1,%r0 */
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0x58, 0x10, 0x10, 0x12, /* l %r1,18(%r1) */
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0xd2, 0x03, 0xf0, 0x18, 0x10, 0x04, /* mvc 24(4,%r15),4(%r1) */
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0x58, 0x10, 0x10, 0x08, /* l %r1,8(%r1) */
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0x07, 0xf1, /* br %r1 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00
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};
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#define PLT_FIRST_ENTRY_WORD0 0x5010f01c
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#define PLT_FIRST_ENTRY_WORD1 0x0d105810
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#define PLT_FIRST_ENTRY_WORD2 0x1012D203
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#define PLT_FIRST_ENTRY_WORD3 0xf0181004
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#define PLT_FIRST_ENTRY_WORD4 0x58101008
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#define PLT_FIRST_ENTRY_WORD5 0x07f10000
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static const bfd_byte elf_s390_plt_pic_first_entry[PLT_FIRST_ENTRY_SIZE] =
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{
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0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
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0x58, 0x10, 0xc0, 0x04, /* l %r1,4(%r12) */
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0x50, 0x10, 0xf0, 0x18, /* st %r1,24(%r15) */
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0x58, 0x10, 0xc0, 0x08, /* l %r1,8(%r12) */
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0x07, 0xf1, /* br %r1 */
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00
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};
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/* s390 ELF linker hash entry. */
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/* Fill in the entry in the procedure linkage table. */
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if (!info->shared)
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{
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bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD0,
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htab->splt->contents + h->plt.offset);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD1,
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htab->splt->contents + h->plt.offset + 4);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
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htab->splt->contents + h->plt.offset + 8);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD3,
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htab->splt->contents + h->plt.offset + 12);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD4,
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htab->splt->contents + h->plt.offset + 16);
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memcpy (htab->splt->contents + h->plt.offset, elf_s390_plt_entry,
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PLT_ENTRY_SIZE);
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/* Adjust jump to the first plt entry. */
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bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
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htab->splt->contents + h->plt.offset + 20);
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/* Push the GOT offset field. */
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bfd_put_32 (output_bfd,
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(htab->sgotplt->output_section->vma
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+ htab->sgotplt->output_offset
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}
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else if (got_offset < 4096)
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{
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC12_ENTRY_WORD0 + got_offset,
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htab->splt->contents + h->plt.offset);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC12_ENTRY_WORD1,
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htab->splt->contents + h->plt.offset + 4);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC12_ENTRY_WORD2,
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htab->splt->contents + h->plt.offset + 8);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC12_ENTRY_WORD3,
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htab->splt->contents + h->plt.offset + 12);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC12_ENTRY_WORD4,
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htab->splt->contents + h->plt.offset + 16);
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/* The GOT offset is small enough to be used directly as
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displacement. */
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memcpy (htab->splt->contents + h->plt.offset,
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elf_s390_plt_pic12_entry,
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PLT_ENTRY_SIZE);
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/* Put in the GOT offset as displacement value. The 0xc000
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value comes from the first word of the plt entry. Look
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at the elf_s390_plt_pic16_entry content. */
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bfd_put_16 (output_bfd, (bfd_vma)0xc000 | got_offset,
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htab->splt->contents + h->plt.offset + 2);
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/* Adjust the jump to the first plt entry. */
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bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
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htab->splt->contents + h->plt.offset + 20);
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bfd_put_32 (output_bfd, (bfd_vma) 0,
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htab->splt->contents + h->plt.offset + 24);
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}
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else if (got_offset < 32768)
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{
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC16_ENTRY_WORD0 + got_offset,
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htab->splt->contents + h->plt.offset);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC16_ENTRY_WORD1,
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htab->splt->contents + h->plt.offset + 4);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC16_ENTRY_WORD2,
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htab->splt->contents + h->plt.offset + 8);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC16_ENTRY_WORD3,
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htab->splt->contents + h->plt.offset + 12);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC16_ENTRY_WORD4,
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htab->splt->contents + h->plt.offset + 16);
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/* The GOT offset is too big for a displacement but small
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enough to be a signed 16 bit immediate value as it can be
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used in an lhi instruction. */
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memcpy (htab->splt->contents + h->plt.offset,
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elf_s390_plt_pic16_entry,
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PLT_ENTRY_SIZE);
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/* Put in the GOT offset for the lhi instruction. */
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bfd_put_16 (output_bfd, (bfd_vma)got_offset,
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htab->splt->contents + h->plt.offset + 2);
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/* Adjust the jump to the first plt entry. */
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bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
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htab->splt->contents + h->plt.offset + 20);
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bfd_put_32 (output_bfd, (bfd_vma) 0,
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htab->splt->contents + h->plt.offset + 24);
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}
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else
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{
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD0,
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htab->splt->contents + h->plt.offset);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD1,
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htab->splt->contents + h->plt.offset + 4);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD2,
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htab->splt->contents + h->plt.offset + 8);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD3,
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htab->splt->contents + h->plt.offset + 12);
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD4,
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htab->splt->contents + h->plt.offset + 16);
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memcpy (htab->splt->contents + h->plt.offset,
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elf_s390_plt_pic_entry,
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PLT_ENTRY_SIZE);
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/* Adjust the jump to the first plt entry. */
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bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
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htab->splt->contents + h->plt.offset + 20);
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/* Push the GOT offset field. */
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bfd_put_32 (output_bfd, got_offset,
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htab->splt->contents + h->plt.offset + 24);
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}
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memset (htab->splt->contents, 0, PLT_FIRST_ENTRY_SIZE);
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if (info->shared)
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{
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD0,
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htab->splt->contents );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD1,
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htab->splt->contents +4 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD2,
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htab->splt->contents +8 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD3,
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htab->splt->contents +12 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD4,
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htab->splt->contents +16 );
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}
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memcpy (htab->splt->contents, elf_s390_plt_pic_first_entry,
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PLT_FIRST_ENTRY_SIZE);
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}
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else
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{
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bfd_put_32 (output_bfd, (bfd_vma)PLT_FIRST_ENTRY_WORD0,
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htab->splt->contents );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD1,
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htab->splt->contents +4 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD2,
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htab->splt->contents +8 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD3,
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htab->splt->contents +12 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD4,
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htab->splt->contents +16 );
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bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD5,
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htab->splt->contents +20 );
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{
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memcpy (htab->splt->contents, elf_s390_plt_first_entry,
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PLT_FIRST_ENTRY_SIZE);
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bfd_put_32 (output_bfd,
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htab->sgotplt->output_section->vma
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+ htab->sgotplt->output_offset,
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@ -553,14 +553,16 @@ elf_s390_is_local_label_name (abfd, name)
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the program that manages to have a symbol table of more than 2 GB with a
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total size of at max 4 GB. */
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#define PLT_ENTRY_WORD0 (bfd_vma) 0xc0100000
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#define PLT_ENTRY_WORD1 (bfd_vma) 0x0000e310
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#define PLT_ENTRY_WORD2 (bfd_vma) 0x10000004
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#define PLT_ENTRY_WORD3 (bfd_vma) 0x07f10d10
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#define PLT_ENTRY_WORD4 (bfd_vma) 0xe310100c
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#define PLT_ENTRY_WORD5 (bfd_vma) 0x0014c0f4
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#define PLT_ENTRY_WORD6 (bfd_vma) 0x00000000
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#define PLT_ENTRY_WORD7 (bfd_vma) 0x00000000
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static const bfd_byte elf_s390x_plt_entry[PLT_ENTRY_SIZE] =
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{
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0xc0, 0x10, 0x00, 0x00, 0x00, 0x00, /* larl %r1,. */
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0xe3, 0x10, 0x10, 0x00, 0x00, 0x04, /* lg %r1,0(%r1) */
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0x07, 0xf1, /* br %r1 */
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0x0d, 0x10, /* basr %r1,%r0 */
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||||
0xe3, 0x10, 0x10, 0x0c, 0x00, 0x14, /* lgf %r1,12(%r1) */
|
||||
0xc0, 0xf4, 0x00, 0x00, 0x00, 0x00, /* jg first plt */
|
||||
0x00, 0x00, 0x00, 0x00 /* .long 0x00000000 */
|
||||
};
|
||||
|
||||
/* The first PLT entry pushes the offset into the symbol table
|
||||
from R1 onto the stack at 8(15) and the loader object info
|
||||
|
@ -577,14 +579,17 @@ elf_s390_is_local_label_name (abfd, name)
|
|||
|
||||
Fixup at offset 8: relative address to start of GOT. */
|
||||
|
||||
#define PLT_FIRST_ENTRY_WORD0 (bfd_vma) 0xe310f038
|
||||
#define PLT_FIRST_ENTRY_WORD1 (bfd_vma) 0x0024c010
|
||||
#define PLT_FIRST_ENTRY_WORD2 (bfd_vma) 0x00000000
|
||||
#define PLT_FIRST_ENTRY_WORD3 (bfd_vma) 0xd207f030
|
||||
#define PLT_FIRST_ENTRY_WORD4 (bfd_vma) 0x1008e310
|
||||
#define PLT_FIRST_ENTRY_WORD5 (bfd_vma) 0x10100004
|
||||
#define PLT_FIRST_ENTRY_WORD6 (bfd_vma) 0x07f10700
|
||||
#define PLT_FIRST_ENTRY_WORD7 (bfd_vma) 0x07000700
|
||||
static const bfd_byte elf_s390x_first_plt_entry[PLT_FIRST_ENTRY_SIZE] =
|
||||
{
|
||||
0xe3, 0x10, 0xf0, 0x38, 0x00, 0x24, /* stg %r1,56(%r15) */
|
||||
0xc0, 0x10, 0x00, 0x00, 0x00, 0x00, /* larl %r1,. */
|
||||
0xd2, 0x07, 0xf0, 0x30, 0x10, 0x08, /* mvc 48(8,%r15),8(%r1) */
|
||||
0xe3, 0x10, 0x10, 0x10, 0x00, 0x04, /* lg %r1,16(%r1) */
|
||||
0x07, 0xf1, /* br %r1 */
|
||||
0x07, 0x00, /* nopr %r0 */
|
||||
0x07, 0x00, /* nopr %r0 */
|
||||
0x07, 0x00 /* nopr %r0 */
|
||||
};
|
||||
|
||||
|
||||
/* s390 ELF linker hash entry. */
|
||||
|
@ -3052,22 +3057,9 @@ elf_s390_finish_dynamic_symbol (bfd *output_bfd,
|
|||
got_offset = (plt_index + 3) * GOT_ENTRY_SIZE;
|
||||
|
||||
/* Fill in the blueprint of a PLT. */
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD0,
|
||||
htab->splt->contents + h->plt.offset);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD1,
|
||||
htab->splt->contents + h->plt.offset + 4);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
|
||||
htab->splt->contents + h->plt.offset + 8);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD3,
|
||||
htab->splt->contents + h->plt.offset + 12);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD4,
|
||||
htab->splt->contents + h->plt.offset + 16);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD5,
|
||||
htab->splt->contents + h->plt.offset + 20);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD6,
|
||||
htab->splt->contents + h->plt.offset + 24);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD7,
|
||||
htab->splt->contents + h->plt.offset + 28);
|
||||
memcpy (htab->splt->contents + h->plt.offset, elf_s390x_plt_entry,
|
||||
PLT_ENTRY_SIZE);
|
||||
|
||||
/* Fixup the relative address to the GOT entry */
|
||||
bfd_put_32 (output_bfd,
|
||||
(htab->sgotplt->output_section->vma +
|
||||
|
@ -3280,20 +3272,8 @@ elf_s390_finish_dynamic_sections (bfd *output_bfd,
|
|||
if (htab->splt && htab->splt->size > 0)
|
||||
{
|
||||
/* fill in blueprint for plt 0 entry */
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD0,
|
||||
htab->splt->contents );
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD1,
|
||||
htab->splt->contents +4 );
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD3,
|
||||
htab->splt->contents +12 );
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD4,
|
||||
htab->splt->contents +16 );
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD5,
|
||||
htab->splt->contents +20 );
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD6,
|
||||
htab->splt->contents + 24);
|
||||
bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD7,
|
||||
htab->splt->contents + 28 );
|
||||
memcpy (htab->splt->contents, elf_s390x_first_plt_entry,
|
||||
PLT_FIRST_ENTRY_SIZE);
|
||||
/* Fixup relative address to start of GOT */
|
||||
bfd_put_32 (output_bfd,
|
||||
(htab->sgotplt->output_section->vma +
|
||||
|
|
Loading…
Reference in New Issue