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* elfxx-ia64.c (elfNN_ia64_check_relocs): Handle IPLT relocs.

Browse Source 
(allocate_dynrel_entries): Likewise.
        (elfNN_ia64_relocate_section): Likewise.  Set REL addends correctly.
        (set_pltoff_entry): Likewise.
        (ia64_howto_table): Remove R_IA64_SEGBASE, and R_IA64_EPLT[ML]SB
        (elfNN_ia64_reloc_type_lookup): Likewise.
        (elfNN_ia64_install_value): Likewise.
        (elfNN_ia64_relocate_section): Likewise.
        * reloc.c (BFD_RELOC_IA64_SEGBASE): Remove.
        (BFD_RELOC_IA64_EPLTMSB, BFD_RELOC_IA64_EPLTLSB): Remove.
This commit is contained in:
Richard Henderson
2000-11-16 22:44:07 +00:00
parent 77e913df42
commit 18b27f179e
5 changed files with 323 additions and 284 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
bfd/ChangeLog
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@ -1,3 +1,16 @@
2000-11-16 Richard Henderson <rth@redhat.com>
* elfxx-ia64.c (elfNN_ia64_check_relocs): Handle IPLT relocs.
(allocate_dynrel_entries): Likewise.
(elfNN_ia64_relocate_section): Likewise. Set REL addends correctly.
(set_pltoff_entry): Likewise.
(ia64_howto_table): Remove R_IA64_SEGBASE, and R_IA64_EPLT[ML]SB
(elfNN_ia64_reloc_type_lookup): Likewise.
(elfNN_ia64_install_value): Likewise.
(elfNN_ia64_relocate_section): Likewise.
* reloc.c (BFD_RELOC_IA64_SEGBASE): Remove.
(BFD_RELOC_IA64_EPLTMSB, BFD_RELOC_IA64_EPLTLSB): Remove.
2000-11-16 Kazu Hirata <kazu@hxi.com>
* cpu-a29k.c: Fix formatting.

11
bfd/bfd-in2.h
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@ -804,6 +804,7 @@ bfd_make_writable PARAMS ((bfd *abfd));
boolean
bfd_make_readable PARAMS ((bfd *abfd));
/* Byte swapping macros for user section data. */
#define bfd_put_8(abfd, val, ptr) \
@ -856,6 +857,7 @@ bfd_make_readable PARAMS ((bfd *abfd));
: (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
: (abort (), (void) 0))
/* Byte swapping macros for file header data. */
#define bfd_h_put_8(abfd, val, ptr) \
@ -1606,6 +1608,7 @@ typedef enum bfd_reloc_status
}
bfd_reloc_status_type;
typedef struct reloc_cache_entry
{
/* A pointer into the canonical table of pointers */
@ -1789,6 +1792,7 @@ bfd_install_relocation
enum bfd_reloc_code_real {
_dummy_first_bfd_reloc_code_real,
/* Basic absolute relocations of N bits. */
BFD_RELOC_64,
BFD_RELOC_32,
@ -2042,6 +2046,7 @@ to compensate for the borrow when the low bits are added. */
BFD_RELOC_MIPS_GOT_OFST,
BFD_RELOC_MIPS_GOT_DISP,
/* i386/elf relocations */
BFD_RELOC_386_GOT32,
BFD_RELOC_386_PLT32,
@ -2352,6 +2357,7 @@ bits placed non-contigously in the instruction. */
/* This is a 16 bit offset from the call table base pointer. */
BFD_RELOC_V850_CALLT_16_16_OFFSET,
/* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
instruction. */
BFD_RELOC_MN10300_32_PCREL,
@ -2555,7 +2561,6 @@ this offset in the reloc's section offset. */
BFD_RELOC_IA64_LTOFF_FPTR64I,
BFD_RELOC_IA64_LTOFF_FPTR64MSB,
BFD_RELOC_IA64_LTOFF_FPTR64LSB,
BFD_RELOC_IA64_SEGBASE,
BFD_RELOC_IA64_SEGREL32MSB,
BFD_RELOC_IA64_SEGREL32LSB,
BFD_RELOC_IA64_SEGREL64MSB,
@ -2574,8 +2579,6 @@ this offset in the reloc's section offset. */
BFD_RELOC_IA64_LTV64LSB,
BFD_RELOC_IA64_IPLTMSB,
BFD_RELOC_IA64_IPLTLSB,
BFD_RELOC_IA64_EPLTMSB,
BFD_RELOC_IA64_EPLTLSB,
BFD_RELOC_IA64_COPY,
BFD_RELOC_IA64_TPREL22,
BFD_RELOC_IA64_TPREL64MSB,
@ -2646,6 +2649,7 @@ bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
const char *
bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code));
typedef struct symbol_cache_entry
{
/* A pointer to the BFD which owns the symbol. This information
@ -3086,6 +3090,7 @@ bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
#define bfd_debug_info_accumulate(abfd, section) \
BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
#define bfd_stat_arch_elt(abfd, stat) \
BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))

120
bfd/elfxx-ia64.c
View File

@ -353,7 +353,6 @@ static reloc_howto_type ia64_howto_table[] =
IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, false, true),
IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, false, true),
IA64_HOWTO (R_IA64_SEGBASE, "SEGBASE", 4, false, true),
IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, false, true),
IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, false, true),
IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, false, true),
@ -380,8 +379,6 @@ static reloc_howto_type ia64_howto_table[] =
IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, false, true),
IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, false, true),
IA64_HOWTO (R_IA64_EPLTMSB, "EPLTMSB", 4, false, true),
IA64_HOWTO (R_IA64_EPLTLSB, "EPLTLSB", 4, false, true),
IA64_HOWTO (R_IA64_COPY, "COPY", 4, false, true),
IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, false, true),
IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, false, true),
@ -476,7 +473,6 @@ elfNN_ia64_reloc_type_lookup (abfd, bfd_code)
case BFD_RELOC_IA64_LTOFF_FPTR64MSB: rtype = R_IA64_LTOFF_FPTR64MSB; break;
case BFD_RELOC_IA64_LTOFF_FPTR64LSB: rtype = R_IA64_LTOFF_FPTR64LSB; break;
case BFD_RELOC_IA64_SEGBASE: rtype = R_IA64_SEGBASE; break;
case BFD_RELOC_IA64_SEGREL32MSB: rtype = R_IA64_SEGREL32MSB; break;
case BFD_RELOC_IA64_SEGREL32LSB: rtype = R_IA64_SEGREL32LSB; break;
case BFD_RELOC_IA64_SEGREL64MSB: rtype = R_IA64_SEGREL64MSB; break;
@ -499,8 +495,6 @@ elfNN_ia64_reloc_type_lookup (abfd, bfd_code)
case BFD_RELOC_IA64_IPLTMSB: rtype = R_IA64_IPLTMSB; break;
case BFD_RELOC_IA64_IPLTLSB: rtype = R_IA64_IPLTLSB; break;
case BFD_RELOC_IA64_EPLTMSB: rtype = R_IA64_EPLTMSB; break;
case BFD_RELOC_IA64_EPLTLSB: rtype = R_IA64_EPLTLSB; break;
case BFD_RELOC_IA64_COPY: rtype = R_IA64_COPY; break;
case BFD_RELOC_IA64_LTOFF22X: rtype = R_IA64_LTOFF22X; break;
case BFD_RELOC_IA64_LDXMOV: rtype = R_IA64_LDXMOV; break;
@ -1864,6 +1858,14 @@ elfNN_ia64_check_relocs (abfd, info, sec, relocs)
dynrel_type = R_IA64_DIR64LSB;
break;
case R_IA64_IPLTMSB:
case R_IA64_IPLTLSB:
/* Shared objects will always need at least a REL relocation. */
if (info->shared || maybe_dynamic)
need_entry = NEED_DYNREL;
dynrel_type = R_IA64_IPLTLSB;
break;
case R_IA64_PCREL22:
case R_IA64_PCREL64I:
case R_IA64_PCREL32MSB:
@ -2184,6 +2186,8 @@ allocate_dynrel_entries (dyn_i, data)
for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
{
int count = rent->count;
switch (rent->type)
{
case R_IA64_FPTR64LSB:
@ -2201,8 +2205,18 @@ allocate_dynrel_entries (dyn_i, data)
if (!dynamic_symbol && !shared)
continue;
break;
case R_IA64_IPLTLSB:
if (!dynamic_symbol && !shared)
continue;
/* Use two REL relocations for IPLT relocations
against local symbols. */
if (!dynamic_symbol)
count *= 2;
break;
default:
abort ();
}
rent->srel->_raw_size += sizeof (ElfNN_External_Rela) * rent->count;
rent->srel->_raw_size += sizeof (ElfNN_External_Rela) * count;
}
/* Take care of the GOT and PLT relocations. */
@ -2639,25 +2653,6 @@ elfNN_ia64_install_value (abfd, hit_addr, val, r_type)
break;
/* Unsupported / Dynamic relocations. */
case R_IA64_REL32MSB:
case R_IA64_REL32LSB:
case R_IA64_REL64MSB:
case R_IA64_REL64LSB:
case R_IA64_IPLTMSB:
case R_IA64_IPLTLSB:
case R_IA64_EPLTMSB:
case R_IA64_EPLTLSB:
case R_IA64_COPY:
case R_IA64_SEGBASE:
case R_IA64_TPREL22:
case R_IA64_TPREL64MSB:
case R_IA64_TPREL64LSB:
case R_IA64_LTOFF_TP22:
default:
return bfd_reloc_notsupported;
}
@ -2937,10 +2932,11 @@ set_pltoff_entry (abfd, info, dyn_i, value, is_plt)
if ((! dyn_i->want_plt || is_plt)
&& !dyn_i->pltoff_done)
{
bfd_vma gp = _bfd_get_gp_value (abfd);
/* Fill in the function descriptor. */
bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset);
bfd_put_64 (abfd, _bfd_get_gp_value (abfd),
pltoff_sec->contents + dyn_i->pltoff_offset + 8);
bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8);
/* Install dynamic relocations if needed. */
if (!is_plt && info->shared)
@ -2955,11 +2951,11 @@ set_pltoff_entry (abfd, info, dyn_i, value, is_plt)
elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
ia64_info->rel_pltoff_sec,
dyn_i->pltoff_offset,
dyn_r_type, 0, 0);
dyn_r_type, 0, value);
elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
ia64_info->rel_pltoff_sec,
dyn_i->pltoff_offset + 8,
dyn_r_type, 0, 0);
dyn_r_type, 0, gp);
}
dyn_i->pltoff_done = 1;
@ -3366,6 +3362,7 @@ elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section,
{
unsigned int dyn_r_type;
long dynindx;
bfd_vma addend;
BFD_ASSERT (srel != NULL);
@ -3373,7 +3370,11 @@ elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section,
matching RELATIVE relocation. */
dyn_r_type = r_type;
if (dynamic_symbol_p)
{
dynindx = h->dynindx;
addend = rel->r_addend;
value = 0;
}
else
{
switch (r_type)
@ -3405,11 +3406,12 @@ elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section,
continue;
}
dynindx = 0;
addend = value;
}
elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
srel, rel->r_offset, dyn_r_type,
dynindx, rel->r_addend);
dynindx, addend);
}
/* FALLTHRU */
@ -3678,23 +3680,51 @@ elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section,
r = elfNN_ia64_install_value (output_bfd, hit_addr, value, r_type);
break;
case R_IA64_SEGBASE:
case R_IA64_REL32MSB:
case R_IA64_REL32LSB:
case R_IA64_REL64MSB:
case R_IA64_REL64LSB:
case R_IA64_IPLTMSB:
case R_IA64_IPLTLSB:
case R_IA64_EPLTMSB:
case R_IA64_EPLTLSB:
case R_IA64_COPY:
/* Install a dynamic relocation for this reloc. */
if ((dynamic_symbol_p || info->shared)
&& (input_section->flags & SEC_ALLOC) != 0)
{
long dynindx;
BFD_ASSERT (srel != NULL);
/* If we don't need dynamic symbol lookup, install two
RELATIVE relocations. */
if (! dynamic_symbol_p)
{
unsigned int dyn_r_type;
if (r_type == R_IA64_IPLTMSB)
dyn_r_type = R_IA64_REL64MSB;
else
dyn_r_type = R_IA64_REL64LSB;
elfNN_ia64_install_dyn_reloc (output_bfd, info,
input_section,
srel, rel->r_offset,
dyn_r_type, 0, value);
elfNN_ia64_install_dyn_reloc (output_bfd, info,
input_section,
srel, rel->r_offset + 8,
dyn_r_type, 0, gp_val);
}
else
elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
srel, rel->r_offset, r_type,
h->dynindx, rel->r_addend);
}
if (r_type == R_IA64_IPLTMSB)
r_type = R_IA64_DIR64MSB;
else
r_type = R_IA64_DIR64LSB;
elfNN_ia64_install_value (output_bfd, hit_addr, value, r_type);
r = elfNN_ia64_install_value (output_bfd, hit_addr + 8, gp_val,
r_type);
break;
case R_IA64_TPREL22:
case R_IA64_TPREL64MSB:
case R_IA64_TPREL64LSB:
case R_IA64_LTOFF_TP22:
default:
r = bfd_reloc_notsupported;
break;

3
bfd/libbfd.h
View File

@ -942,7 +942,6 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_IA64_LTOFF_FPTR64I",
"BFD_RELOC_IA64_LTOFF_FPTR64MSB",
"BFD_RELOC_IA64_LTOFF_FPTR64LSB",
"BFD_RELOC_IA64_SEGBASE",
"BFD_RELOC_IA64_SEGREL32MSB",
"BFD_RELOC_IA64_SEGREL32LSB",
"BFD_RELOC_IA64_SEGREL64MSB",
@ -961,8 +960,6 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_IA64_LTV64LSB",
"BFD_RELOC_IA64_IPLTMSB",
"BFD_RELOC_IA64_IPLTLSB",
"BFD_RELOC_IA64_EPLTMSB",
"BFD_RELOC_IA64_EPLTLSB",
"BFD_RELOC_IA64_COPY",
"BFD_RELOC_IA64_TPREL22",
"BFD_RELOC_IA64_TPREL64MSB",

6
bfd/reloc.c
View File

@ -2833,8 +2833,6 @@ ENUMX
BFD_RELOC_IA64_LTOFF_FPTR64MSB
ENUMX
BFD_RELOC_IA64_LTOFF_FPTR64LSB
ENUMX
BFD_RELOC_IA64_SEGBASE
ENUMX
BFD_RELOC_IA64_SEGREL32MSB
ENUMX
@ -2871,10 +2869,6 @@ ENUMX
BFD_RELOC_IA64_IPLTMSB
ENUMX
BFD_RELOC_IA64_IPLTLSB
ENUMX
BFD_RELOC_IA64_EPLTMSB
ENUMX
BFD_RELOC_IA64_EPLTLSB
ENUMX
BFD_RELOC_IA64_COPY
ENUMX