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Support big endian PLT entries.

This commit is contained in:
Nick Clifton 2001-05-28 10:50:31 +00:00
parent 5a109b6767
commit f7a74f8c82
2 changed files with 24 additions and 12 deletions
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4
bfd/ChangeLog
View File

@ -1,3 +1,7 @@
2001-05-28 Nicolas Pitre <nico@cam.org>
* elf32-arm.h: fix PLT generation for big endian ARM
2001-05-28 Alan Modra <amodra@one.net.au>
* elf32-hppa.c (elf32_hppa_relocate_section): Set up .plt entries

32
bfd/elf32-arm.h
View File

@ -80,20 +80,20 @@ static int elf32_thumb_to_arm_stub
linker first. */
static const bfd_byte elf32_arm_plt0_entry [PLT_ENTRY_SIZE] =
{
0x04, 0xe0, 0x2d, 0xe5, /* str lr, [sp, #-4]! */
0x10, 0xe0, 0x9f, 0xe5, /* ldr lr, [pc, #16] */
0x0e, 0xe0, 0x8f, 0xe0, /* adr lr, pc, lr */
0x08, 0xf0, 0xbe, 0xe5 /* ldr pc, [lr, #8]! */
0xe52de004, /* str lr, [sp, #-4]! */
0xe59fe010, /* ldr lr, [pc, #16] */
0xe08fe00e, /* add lr, pc, lr */
0xe5bef008 /* ldr pc, [lr, #8]! */
};
/* Subsequent entries in a procedure linkage table look like
this. */
static const bfd_byte elf32_arm_plt_entry [PLT_ENTRY_SIZE] =
{
0x04, 0xc0, 0x9f, 0xe5, /* ldr ip, [pc, #4] */
0x0c, 0xc0, 0x8f, 0xe0, /* add ip, pc, ip */
0x00, 0xf0, 0x9c, 0xe5, /* ldr pc, [ip] */
0x00, 0x00, 0x00, 0x00 /* offset to symbol in got */
0xe59fc004, /* ldr ip, [pc, #4] */
0xe08fc00c, /* add ip, pc, ip */
0xe59cf000, /* ldr pc, [ip] */
0x00000000 /* offset to symbol in got */
};
/* The ARM linker needs to keep track of the number of relocs that it
@ -3177,9 +3177,12 @@ elf32_arm_finish_dynamic_symbol (output_bfd, info, h, sym)
got_offset = (plt_index + 3) * 4;
/* Fill in the entry in the procedure linkage table. */
memcpy (splt->contents + h->plt.offset,
elf32_arm_plt_entry,
PLT_ENTRY_SIZE);
bfd_put_32 (output_bfd, elf32_arm_plt_entry[0],
splt->contents + h->plt.offset + 0);
bfd_put_32 (output_bfd, elf32_arm_plt_entry[1],
splt->contents + h->plt.offset + 4);
bfd_put_32 (output_bfd, elf32_arm_plt_entry[2],
splt->contents + h->plt.offset + 8);
bfd_put_32 (output_bfd,
(sgot->output_section->vma
+ sgot->output_offset
@ -3375,7 +3378,12 @@ elf32_arm_finish_dynamic_sections (output_bfd, info)
/* Fill in the first entry in the procedure linkage table. */
if (splt->_raw_size > 0)
memcpy (splt->contents, elf32_arm_plt0_entry, PLT_ENTRY_SIZE);
{
bfd_put_32 (output_bfd, elf32_arm_plt0_entry[0], splt->contents + 0);
bfd_put_32 (output_bfd, elf32_arm_plt0_entry[1], splt->contents + 4);
bfd_put_32 (output_bfd, elf32_arm_plt0_entry[2], splt->contents + 8);
bfd_put_32 (output_bfd, elf32_arm_plt0_entry[3], splt->contents + 12);
}
/* UnixWare sets the entsize of .plt to 4, although that doesn't
really seem like the right value. */