* elf32-s390.c (s390_elf_ldisp_reloc): New prototype.

(s390_tls_reloc): New function.
        (elf_howto_table): Add long displacement relocations R_390_20,
        R_390_GOT20, R_390_GOTPLT20 and R_390_TLS_GOTIE20.
        (elf_s390_reloc_type_lookup): Likewise.
        (elf_s390_check_relocs): Likewise.
        (elf_s390_gc_sweep_hook): Likewise.
        (elf_s390_relocate_section): Likewise.
        * elf64-s390.c: Same changes as for elf32-s390.c.
        * reloc.c: Add long displacement relocations BFD_RELOC_390_20,
        BFD_RELOC_390_GOT20, BFD_RELOC_390_GOTPLT20 and
        BFD_RELOC_390_TLS_GOTIE20.
        * bfd-in2.h: Regenerate.
        * libbfd.h: Likewise.
This commit is contained in:
Martin Schwidefsky 2003-07-01 14:44:59 +00:00
parent a2229c2308
commit bd1ea41b84
6 changed files with 237 additions and 4 deletions

View File

@ -1,3 +1,20 @@
2003-07-01 Martin Schwidefsky <schwidefsky@de.ibm.com>
* elf32-s390.c (s390_elf_ldisp_reloc): New prototype.
(s390_tls_reloc): New function.
(elf_howto_table): Add long displacement relocations R_390_20,
R_390_GOT20, R_390_GOTPLT20 and R_390_TLS_GOTIE20.
(elf_s390_reloc_type_lookup): Likewise.
(elf_s390_check_relocs): Likewise.
(elf_s390_gc_sweep_hook): Likewise.
(elf_s390_relocate_section): Likewise.
* elf64-s390.c: Same changes as for elf32-s390.c.
* reloc.c: Add long displacement relocations BFD_RELOC_390_20,
BFD_RELOC_390_GOT20, BFD_RELOC_390_GOTPLT20 and
BFD_RELOC_390_TLS_GOTIE20.
* bfd-in2.h: Regenerate.
* libbfd.h: Likewise.
2003-06-30 Alan Modra <amodra@bigpond.net.au>
* cpu-ia64-opc.c (ext_imms_scaled): Don't sign extend using shifts.

View File

@ -3105,6 +3105,12 @@ into 22 bits. */
BFD_RELOC_390_TLS_DTPOFF,
BFD_RELOC_390_TLS_TPOFF,
/* Long displacement extension. */
BFD_RELOC_390_20,
BFD_RELOC_390_GOT20,
BFD_RELOC_390_GOTPLT20,
BFD_RELOC_390_TLS_GOTIE20,
/* Scenix IP2K - 9-bit register number / data address */
BFD_RELOC_IP2K_FR9,

View File

@ -88,6 +88,8 @@ static bfd_vma tpoff
PARAMS ((struct bfd_link_info *, bfd_vma));
static void invalid_tls_insn
PARAMS ((bfd *, asection *, Elf_Internal_Rela *));
static bfd_reloc_status_type s390_elf_ldisp_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
#include "elf/s390.h"
@ -208,6 +210,14 @@ static reloc_howto_type elf_howto_table[] =
bfd_elf_generic_reloc, "R_390_TLS_DTPOFF", FALSE, 0, 0xffffffff, FALSE),
HOWTO(R_390_TLS_TPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_390_TLS_TPOFF", FALSE, 0, 0xffffffff, FALSE),
HOWTO(R_390_20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_GOT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_GOT20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_GOTPLT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_GOTPLT20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_TLS_GOTIE20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
};
/* GNU extension to record C++ vtable hierarchy. */
@ -313,6 +323,14 @@ elf_s390_reloc_type_lookup (abfd, code)
return &elf_howto_table[(int) R_390_TLS_DTPOFF];
case BFD_RELOC_390_TLS_TPOFF:
return &elf_howto_table[(int) R_390_TLS_TPOFF];
case BFD_RELOC_390_20:
return &elf_howto_table[(int) R_390_20];
case BFD_RELOC_390_GOT20:
return &elf_howto_table[(int) R_390_GOT20];
case BFD_RELOC_390_GOTPLT20:
return &elf_howto_table[(int) R_390_GOTPLT20];
case BFD_RELOC_390_TLS_GOTIE20:
return &elf_howto_table[(int) R_390_TLS_GOTIE20];
case BFD_RELOC_VTABLE_INHERIT:
return &elf32_s390_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:
@ -365,6 +383,59 @@ s390_tls_reloc (abfd, reloc_entry, symbol, data, input_section,
return bfd_reloc_ok;
}
/* Handle the large displacement relocs. */
static bfd_reloc_status_type
s390_elf_ldisp_reloc (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
PTR data ATTRIBUTE_UNUSED;
asection *input_section;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
reloc_howto_type *howto = reloc_entry->howto;
bfd_vma relocation;
bfd_vma insn;
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& (! howto->partial_inplace
|| reloc_entry->addend == 0))
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
if (output_bfd != NULL)
return bfd_reloc_continue;
if (reloc_entry->address > input_section->_cooked_size)
return bfd_reloc_outofrange;
relocation = (symbol->value
+ symbol->section->output_section->vma
+ symbol->section->output_offset);
relocation += reloc_entry->addend;
if (howto->pc_relative)
{
relocation -= (input_section->output_section->vma
+ input_section->output_offset);
relocation -= reloc_entry->address;
}
insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
insn |= (relocation & 0xfff) << 16 | (relocation & 0xff000) >> 4;
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
if ((bfd_signed_vma) relocation < - 0x80000
|| (bfd_signed_vma) relocation > 0x7ffff)
return bfd_reloc_overflow;
else
return bfd_reloc_ok;
}
static bfd_boolean
elf_s390_is_local_label_name (abfd, name)
bfd *abfd;
@ -936,14 +1007,17 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
{
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOTENT:
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLTENT:
case R_390_TLS_GD32:
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE32:
case R_390_TLS_IEENT:
case R_390_TLS_IE32:
@ -1009,6 +1083,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLTENT:
/* This symbol requires either a procedure linkage table entry
@ -1035,6 +1110,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
case R_390_TLS_IE32:
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE32:
case R_390_TLS_IEENT:
if (info->shared)
@ -1043,6 +1119,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOTENT:
case R_390_TLS_GD32:
@ -1052,6 +1129,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
default:
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOTENT:
tls_type = GOT_NORMAL;
@ -1064,6 +1142,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
tls_type = GOT_TLS_IE;
break;
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_IEENT:
tls_type = GOT_TLS_IE_NLT;
break;
@ -1390,10 +1469,12 @@ elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
case R_390_TLS_GD32:
case R_390_TLS_IE32:
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE32:
case R_390_TLS_IEENT:
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOTOFF16:
case R_390_GOTOFF32:
@ -1415,6 +1496,7 @@ elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
case R_390_8:
case R_390_12:
case R_390_16:
case R_390_20:
case R_390_32:
case R_390_PC16:
case R_390_PC16DBL:
@ -1438,6 +1520,7 @@ elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLTENT:
if (h != NULL)
@ -2293,6 +2376,7 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
{
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLTENT:
/* There are three cases for a GOTPLT relocation. 1) The
@ -2326,6 +2410,7 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOTENT:
/* Relocation is to the entry for this symbol in the global
@ -2732,6 +2817,7 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
break;
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_IEENT:
if (h == NULL)
{
@ -2939,9 +3025,21 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
(long) rel->r_offset,
h->root.root.string);
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, rel->r_addend);
if (r_type == R_390_20
|| r_type == R_390_GOT20
|| r_type == R_390_GOTPLT20
|| r_type == R_390_TLS_GOTIE20)
{
relocation += rel->r_addend;
relocation = (relocation&0xfff) << 8 | (relocation&0xff000) >> 12;
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, 0);
}
else
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, rel->r_addend);
if (r != bfd_reloc_ok)
{

View File

@ -86,6 +86,8 @@ static bfd_vma tpoff
PARAMS ((struct bfd_link_info *, bfd_vma));
static void invalid_tls_insn
PARAMS ((bfd *, asection *, Elf_Internal_Rela *));
static bfd_reloc_status_type s390_elf_ldisp_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
#include "elf/s390.h"
@ -216,6 +218,14 @@ static reloc_howto_type elf_howto_table[] =
bfd_elf_generic_reloc, "R_390_TLS_DTPOFF", FALSE, 0, MINUS_ONE, FALSE),
HOWTO(R_390_TLS_TPOFF, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_390_TLS_TPOFF", FALSE, 0, MINUS_ONE, FALSE),
HOWTO(R_390_20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_GOT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_GOT20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_GOTPLT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_GOTPLT20", FALSE, 0,0x0fffff00, FALSE),
HOWTO(R_390_TLS_GOTIE20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
};
/* GNU extension to record C++ vtable hierarchy. */
@ -335,6 +345,14 @@ elf_s390_reloc_type_lookup (abfd, code)
return &elf_howto_table[(int) R_390_TLS_DTPOFF];
case BFD_RELOC_390_TLS_TPOFF:
return &elf_howto_table[(int) R_390_TLS_TPOFF];
case BFD_RELOC_390_20:
return &elf_howto_table[(int) R_390_20];
case BFD_RELOC_390_GOT20:
return &elf_howto_table[(int) R_390_GOT20];
case BFD_RELOC_390_GOTPLT20:
return &elf_howto_table[(int) R_390_GOTPLT20];
case BFD_RELOC_390_TLS_GOTIE20:
return &elf_howto_table[(int) R_390_TLS_GOTIE20];
case BFD_RELOC_VTABLE_INHERIT:
return &elf64_s390_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:
@ -387,6 +405,58 @@ s390_tls_reloc (abfd, reloc_entry, symbol, data, input_section,
return bfd_reloc_ok;
}
/* Handle the large displacement relocs. */
static bfd_reloc_status_type
s390_elf_ldisp_reloc (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
PTR data;
asection *input_section;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
reloc_howto_type *howto = reloc_entry->howto;
bfd_vma relocation;
bfd_vma insn;
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& (! howto->partial_inplace
|| reloc_entry->addend == 0))
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
if (output_bfd != NULL)
return bfd_reloc_continue;
if (reloc_entry->address > input_section->_cooked_size)
return bfd_reloc_outofrange;
relocation = (symbol->value
+ symbol->section->output_section->vma
+ symbol->section->output_offset);
relocation += reloc_entry->addend;
if (howto->pc_relative)
{
relocation -= (input_section->output_section->vma
+ input_section->output_offset);
relocation -= reloc_entry->address;
}
insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
insn |= (relocation & 0xfff) << 16 | (relocation & 0xff000) >> 4;
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
if ((bfd_signed_vma) relocation < - 0x80000
|| (bfd_signed_vma) relocation > 0x7ffff)
return bfd_reloc_overflow;
else
return bfd_reloc_ok;
}
static bfd_boolean
elf_s390_is_local_label_name (abfd, name)
bfd *abfd;
@ -890,16 +960,19 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
{
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOT64:
case R_390_GOTENT:
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLT64:
case R_390_GOTPLTENT:
case R_390_TLS_GD64:
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE64:
case R_390_TLS_IEENT:
case R_390_TLS_IE64:
@ -969,6 +1042,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLT64:
case R_390_GOTPLTENT:
@ -996,6 +1070,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
case R_390_TLS_IE64:
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE64:
case R_390_TLS_IEENT:
if (info->shared)
@ -1004,6 +1079,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOT64:
case R_390_GOTENT:
@ -1014,6 +1090,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
default:
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOTENT:
tls_type = GOT_NORMAL;
@ -1026,6 +1103,7 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
tls_type = GOT_TLS_IE;
break;
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_IEENT:
tls_type = GOT_TLS_IE_NLT;
break;
@ -1355,10 +1433,12 @@ elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
case R_390_TLS_GD64:
case R_390_TLS_IE64:
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_GOTIE64:
case R_390_TLS_IEENT:
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOT64:
case R_390_GOTOFF16:
@ -1382,6 +1462,7 @@ elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
case R_390_8:
case R_390_12:
case R_390_16:
case R_390_20:
case R_390_32:
case R_390_64:
case R_390_PC16:
@ -1409,6 +1490,7 @@ elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLT64:
case R_390_GOTPLTENT:
@ -2264,6 +2346,7 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
{
case R_390_GOTPLT12:
case R_390_GOTPLT16:
case R_390_GOTPLT20:
case R_390_GOTPLT32:
case R_390_GOTPLT64:
case R_390_GOTPLTENT:
@ -2298,6 +2381,7 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
case R_390_GOT12:
case R_390_GOT16:
case R_390_GOT20:
case R_390_GOT32:
case R_390_GOT64:
case R_390_GOTENT:
@ -2713,6 +2797,7 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
break;
case R_390_TLS_GOTIE12:
case R_390_TLS_GOTIE20:
case R_390_TLS_IEENT:
if (h == NULL)
{
@ -2936,7 +3021,19 @@ elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
(long) rel->r_offset,
h->root.root.string);
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
if (r_type == R_390_20
|| r_type == R_390_GOT20
|| r_type == R_390_GOTPLT20
|| r_type == R_390_TLS_GOTIE20)
{
relocation += rel->r_addend;
relocation = (relocation&0xfff) << 8 | (relocation&0xff000) >> 12;
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, 0);
}
else
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
relocation, rel->r_addend);

View File

@ -1284,6 +1284,10 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_390_TLS_DTPMOD",
"BFD_RELOC_390_TLS_DTPOFF",
"BFD_RELOC_390_TLS_TPOFF",
"BFD_RELOC_390_20",
"BFD_RELOC_390_GOT20",
"BFD_RELOC_390_GOTPLT20",
"BFD_RELOC_390_TLS_GOTIE20",
"BFD_RELOC_IP2K_FR9",
"BFD_RELOC_IP2K_BANK",
"BFD_RELOC_IP2K_ADDR16CJP",

View File

@ -3372,6 +3372,17 @@ ENUMX
ENUMDOC
s390 tls relocations.
ENUM
BFD_RELOC_390_20
ENUMX
BFD_RELOC_390_GOT20
ENUMX
BFD_RELOC_390_GOTPLT20
ENUMX
BFD_RELOC_390_TLS_GOTIE20
ENUMDOC
Long displacement extension.
ENUM
BFD_RELOC_IP2K_FR9
ENUMDOC