/* BFD back-end for IBM RS/6000 "XCOFF64" files.
- Copyright 2000, 2001
+ Copyright 2000, 2001, 2002
Free Software Foundation, Inc.
Written Clinton Popetz.
Contributed by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
static void _bfd_xcoff64_swap_lineno_in PARAMS ((bfd *, PTR, PTR));
static unsigned int _bfd_xcoff64_swap_lineno_out PARAMS ((bfd *, PTR, PTR));
+static boolean _bfd_xcoff64_put_symbol_name
+ PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *,
+ const char *));
static boolean _bfd_xcoff64_put_ldsymbol_name
PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *,
const char *));
PARAMS ((bfd *, PTR, int, int, int, int, PTR));
static unsigned int _bfd_xcoff64_swap_aux_out
PARAMS ((bfd *, PTR, int, int, int, int, PTR));
+static void xcoff64_swap_reloc_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int xcoff64_swap_reloc_out PARAMS ((bfd *, PTR, PTR));
extern boolean _bfd_xcoff_mkobject PARAMS ((bfd *));
extern boolean _bfd_xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *));
extern boolean _bfd_xcoff_is_local_label_name PARAMS ((bfd *, const char *));
extern boolean _bfd_xcoff_slurp_armap PARAMS ((bfd *));
extern PTR _bfd_xcoff_read_ar_hdr PARAMS ((bfd *));
extern bfd *_bfd_xcoff_openr_next_archived_file PARAMS ((bfd *, bfd *));
-extern int _bfd_xcoff_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
+extern int _bfd_xcoff_stat_arch_elt PARAMS ((bfd *, struct stat *));
extern boolean _bfd_xcoff_write_armap
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
extern boolean _bfd_xcoff_write_archive_contents PARAMS ((bfd *));
static boolean xcoff64_write_object_contents PARAMS ((bfd *));
static boolean xcoff64_ppc_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- struct internal_reloc *, struct internal_syment *,
- asection **sections));
+ struct internal_reloc *, struct internal_syment *,
+ asection **));
static boolean xcoff64_slurp_armap PARAMS ((bfd *));
static const bfd_target *xcoff64_archive_p PARAMS ((bfd *));
static bfd *xcoff64_openr_next_archived_file PARAMS ((bfd *, bfd *));
PARAMS ((bfd *, struct internal_ldhdr *));
static bfd_vma xcoff64_loader_reloc_offset
PARAMS ((bfd *, struct internal_ldhdr *));
+static boolean xcoff64_generate_rtinit
+ PARAMS ((bfd *, const char *, const char *, boolean));
+static boolean xcoff64_bad_format_hook PARAMS ((bfd *, PTR ));
+
+/* Relocation functions */
+static boolean xcoff64_reloc_type_br PARAMS ((XCOFF_RELOC_FUNCTION_ARGS));
+
+boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION])
+ (XCOFF_RELOC_FUNCTION_ARGS) =
+{
+ xcoff_reloc_type_pos, /* R_POS (0x00) */
+ xcoff_reloc_type_neg, /* R_NEG (0x01) */
+ xcoff_reloc_type_rel, /* R_REL (0x02) */
+ xcoff_reloc_type_toc, /* R_TOC (0x03) */
+ xcoff_reloc_type_fail, /* R_RTB (0x04) */
+ xcoff_reloc_type_toc, /* R_GL (0x05) */
+ xcoff_reloc_type_toc, /* R_TCL (0x06) */
+ xcoff_reloc_type_fail, /* (0x07) */
+ xcoff_reloc_type_ba, /* R_BA (0x08) */
+ xcoff_reloc_type_fail, /* (0x09) */
+ xcoff64_reloc_type_br, /* R_BR (0x0a) */
+ xcoff_reloc_type_fail, /* (0x0b) */
+ xcoff_reloc_type_pos, /* R_RL (0x0c) */
+ xcoff_reloc_type_pos, /* R_RLA (0x0d) */
+ xcoff_reloc_type_fail, /* (0x0e) */
+ xcoff_reloc_type_noop, /* R_REF (0x0f) */
+ xcoff_reloc_type_fail, /* (0x10) */
+ xcoff_reloc_type_fail, /* (0x11) */
+ xcoff_reloc_type_toc, /* R_TRL (0x12) */
+ xcoff_reloc_type_toc, /* R_TRLA (0x13) */
+ xcoff_reloc_type_fail, /* R_RRTBI (0x14) */
+ xcoff_reloc_type_fail, /* R_RRTBA (0x15) */
+ xcoff_reloc_type_ba, /* R_CAI (0x16) */
+ xcoff_reloc_type_crel, /* R_CREL (0x17) */
+ xcoff_reloc_type_ba, /* R_RBA (0x18) */
+ xcoff_reloc_type_ba, /* R_RBAC (0x19) */
+ xcoff64_reloc_type_br, /* R_RBR (0x1a) */
+ xcoff_reloc_type_ba, /* R_RBRC (0x1b) */
+};
-/* coffcode.h needs these to be defined */
+/* coffcode.h needs these to be defined. */
/* Internalcoff.h and coffcode.h modify themselves based on these flags. */
#define XCOFF64
#define RS6000COFF_C 1
#define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
#define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup
#ifdef AIX_CORE
-extern const bfd_target * rs6000coff_core_p ();
-extern boolean rs6000coff_core_file_matches_executable_p ();
+extern const bfd_target * rs6000coff_core_p PARAMS ((bfd *abfd));
+extern boolean rs6000coff_core_file_matches_executable_p
+ PARAMS((bfd *cbfd, bfd *ebfd));
extern char *rs6000coff_core_file_failing_command PARAMS ((bfd *abfd));
extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd));
#define CORE_FILE_P rs6000coff_core_p
#define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out
#define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in
#define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out
-
+#define coff_swap_reloc_in xcoff64_swap_reloc_in
+#define coff_swap_reloc_out xcoff64_swap_reloc_out
+#define NO_COFF_RELOCS
#include "coffcode.h"
switch (class)
{
case C_FILE:
- if (ext->x_file.x_n.x_zeroes == 0)
+ if (ext->x_file.x_n.x_zeroes[0] == 0)
{
in->x_file.x_n.x_zeroes = 0;
in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
}
static boolean
-_bfd_xcoff64_put_symbol_name (bfd *abfd, struct bfd_strtab_hash *strtab,
- struct internal_syment *sym,
- const char *name) {
+_bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name)
+ bfd *abfd;
+ struct bfd_strtab_hash *strtab;
+ struct internal_syment *sym;
+ const char *name;
+{
boolean hash;
bfd_size_type indx;
struct internal_ldsym *ldsym;
const char *name;
{
-
size_t len;
len = strlen (name);
bfd_put_32 (abfd, src->l_parm, dst->l_parm);
}
+static void
+xcoff64_swap_reloc_in (abfd, s, d)
+ bfd *abfd;
+ PTR s;
+ PTR d;
+{
+ struct external_reloc *src = (struct external_reloc *) s;
+ struct internal_reloc *dst = (struct internal_reloc *) d;
+
+ memset (dst, 0, sizeof (struct internal_reloc));
+
+ dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr);
+ dst->r_symndx = bfd_get_32 (abfd, src->r_symndx);
+ dst->r_size = bfd_get_8 (abfd, src->r_size);
+ dst->r_type = bfd_get_8 (abfd, src->r_type);
+}
+
+static unsigned int
+xcoff64_swap_reloc_out (abfd, s, d)
+ bfd *abfd;
+ PTR s;
+ PTR d;
+{
+ struct internal_reloc *src = (struct internal_reloc *) s;
+ struct external_reloc *dst = (struct external_reloc *) d;
+
+ bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr);
+ bfd_put_32 (abfd, src->r_symndx, dst->r_symndx);
+ bfd_put_8 (abfd, src->r_type, dst->r_type);
+ bfd_put_8 (abfd, src->r_size, dst->r_size);
+
+ return bfd_coff_relsz (abfd);
+}
+
/* Swap in the ldrel structure. */
static void
return false;
}
- /* Work out the size of the reloc and linno areas */
+ /* Work out the size of the reloc and linno areas. */
reloc_base = obj_relocbase (abfd);
for (current = abfd->sections; current != NULL; current = current->next)
lineno_base = reloc_base + reloc_size;
/* Make a pass through the symbol table to count line number entries and
- put them into the correct asections */
+ put them into the correct asections. */
lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
sym_base = lineno_base + lnno_size;
- /* Indicate in each section->line_filepos its actual file address */
+ /* Indicate in each section->line_filepos its actual file address. */
for (current = abfd->sections; current != NULL; current = current->next)
{
if (current->lineno_count)
if (abfd->flags & EXEC_P)
internal_f.f_flags |= F_EXEC;
- /* FIXME: this is wrong for PPC_PE! */
+ /* FIXME: this is wrong for PPC_PE! */
if (bfd_little_endian (abfd))
internal_f.f_flags |= F_AR32WR;
else
memset (&internal_a, 0, sizeof internal_a);
-
- /* This can only be called from the xcoff64 backend so the magic #
- must be for xcoff64. */
- internal_f.f_magic = 0757;
-
+ internal_f.f_magic = bfd_xcoff_magic_number (abfd);
internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
(abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
RS6K_AOUTHDR_OMAGIC;
/* FIXME: Does anybody ever set this to another value? */
internal_a.vstamp = 0;
- /* Now should write relocs, strings, syms */
+ /* Now should write relocs, strings, syms. */
obj_sym_filepos (abfd) = sym_base;
internal_f.f_symptr = 0;
return true;
}
-/* This is the relocation function for the RS/6000/POWER/PowerPC.
- This is currently the only processor which uses XCOFF; I hope that
- will never change. */
+static boolean
+xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto,
+ val, addend, relocation, contents)
+ bfd *input_bfd;
+ asection *input_section;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ struct internal_reloc *rel;
+ struct internal_syment *sym ATTRIBUTE_UNUSED;
+ struct reloc_howto_struct *howto;
+ bfd_vma val;
+ bfd_vma addend;
+ bfd_vma *relocation;
+ bfd_byte *contents;
+{
+ struct xcoff_link_hash_entry *h;
-static boolean
+ if (0 > rel->r_symndx)
+ return false;
+
+ h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx];
+
+ /* If we see an R_BR or R_RBR reloc which is jumping to global
+ linkage code, and it is followed by an appropriate cror nop
+ instruction, we replace the cror with ld r2,40(r1). This
+ restores the TOC after the glink code. Contrariwise, if the
+ call is followed by a ld r2,40(r1), but the call is not
+ going to global linkage code, we can replace the load with a
+ cror. */
+ if (NULL != h
+ && bfd_link_hash_defined == h->root.type
+ && (rel->r_vaddr - input_section->vma + 8 <=
+ input_section->_cooked_size))
+ {
+ bfd_byte *pnext;
+ unsigned long next;
+
+ pnext = contents + (rel->r_vaddr - input_section->vma) + 4;
+ next = bfd_get_32 (input_bfd, pnext);
+
+ /* The _ptrgl function is magic. It is used by the AIX compiler to call
+ a function through a pointer. */
+ if (h->smclas == XMC_GL || strcmp (h->root.root.string, "._ptrgl") == 0)
+ {
+ if (next == 0x4def7b82 /* cror 15,15,15 */
+ || next == 0x4ffffb82 /* cror 31,31,31 */
+ || next == 0x60000000) /* ori r0,r0,0 */
+ bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */
+ }
+ else
+ {
+ if (next == 0xe8410028) /* ld r2,40(r1) */
+ bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */
+ }
+ }
+ else if (NULL != h && bfd_link_hash_undefined == h->root.type)
+ {
+ /* Normally, this relocation is against a defined symbol. In the
+ case where this is a partial link and the output section offset
+ is greater than 2^25, the linker will return an invalid error
+ message that the relocation has been truncated. Yes it has been
+ truncated but no it not important. For this case, disable the
+ overflow checking. */
+ howto->complain_on_overflow = complain_overflow_dont;
+ }
+
+ howto->pc_relative = true;
+ howto->src_mask &= ~3;
+ howto->dst_mask = howto->src_mask;
+
+ /* A PC relative reloc includes the section address. */
+ addend += input_section->vma;
+
+ *relocation = val + addend;
+ *relocation -= (input_section->output_section->vma +
+ input_section->output_offset);
+ return true;
+}
+
+/* This is the relocation function for the PowerPC64.
+ See xcoff_ppc_relocation_section for more information. */
+
+boolean
xcoff64_ppc_relocate_section (output_bfd, info, input_bfd,
input_section, contents, relocs, syms,
sections)
bfd_vma addend;
bfd_vma val;
struct reloc_howto_struct howto;
- bfd_reloc_status_type rstat;
+ bfd_vma relocation;
+ bfd_vma value_to_relocate;
+ bfd_vma address;
+ bfd_byte *location;
/* Relocation type R_REF is a special relocation type which is
merely used to prevent garbage collection from occurring for
if (rel->r_type == R_REF)
continue;
- symndx = rel->r_symndx;
-
- if (symndx == -1)
- {
- h = NULL;
- sym = NULL;
- addend = 0;
- }
- else
- {
- h = obj_xcoff_sym_hashes (input_bfd)[symndx];
- sym = syms + symndx;
- addend = - sym->n_value;
- }
-
- /* We build the howto information on the fly. */
-
+ /* howto */
howto.type = rel->r_type;
howto.rightshift = 0;
- howto.size = 4;
howto.bitsize = (rel->r_size & 0x3f) + 1;
+ howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1;
howto.pc_relative = false;
howto.bitpos = 0;
- if ((rel->r_size & 0x80) != 0)
- howto.complain_on_overflow = complain_overflow_signed;
- else
- howto.complain_on_overflow = complain_overflow_bitfield;
+ howto.complain_on_overflow = rel->r_size & 0x80 ?
+ complain_overflow_signed : complain_overflow_bitfield;
howto.special_function = NULL;
howto.name = "internal";
howto.partial_inplace = true;
-
- if (howto.bitsize == 64)
- {
- howto.src_mask = howto.dst_mask = MINUS_ONE;
- }
- else if (howto.bitsize == 32)
- {
- howto.src_mask = howto.dst_mask = 0xffffffff;
- }
- else
- {
- howto.src_mask = howto.dst_mask = (1 << howto.bitsize) - 1;
- if (howto.bitsize == 16)
- howto.size = 1;
- }
+ howto.src_mask = howto.dst_mask = N_ONES(howto.bitsize);
howto.pcrel_offset = false;
+ /* symbol */
val = 0;
+ addend = 0;
+ h = NULL;
+ sym = NULL;
+ symndx = rel->r_symndx;
- if (h == NULL)
+ if (-1 != symndx)
{
asection *sec;
-
- if (symndx == -1)
- {
- sec = bfd_abs_section_ptr;
- val = 0;
- }
- else
+
+ h = obj_xcoff_sym_hashes (input_bfd)[symndx];
+ sym = syms + symndx;
+ addend = - sym->n_value;
+
+ if (NULL == h)
{
sec = sections[symndx];
/* Hack to make sure we use the right TOC anchor value
+ sec->output_offset
+ sym->n_value
- sec->vma);
- }
-
- }
- else
- {
-
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- asection *sec;
-
- sec = h->root.u.def.section;
- val = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
-
- }
- else if (h->root.type == bfd_link_hash_common)
+ }
+ else
{
- asection *sec;
-
- sec = h->root.u.c.p->section;
- val = (sec->output_section->vma
- + sec->output_offset);
- }
- else if ((h->flags & XCOFF_DEF_DYNAMIC) != 0
- || (h->flags & XCOFF_IMPORT) != 0)
- {
- /* Every symbol in a shared object is defined somewhere. */
- val = 0;
- }
- else if (! info->relocateable)
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd, input_section,
- rel->r_vaddr - input_section->vma, true)))
- return false;
-
- /* Don't try to process the reloc. It can't help, and
- it may generate another error. */
- continue;
- }
- }
-
- /* I took the relocation type definitions from two documents:
- the PowerPC AIX Version 4 Application Binary Interface, First
- Edition (April 1992), and the PowerOpen ABI, Big-Endian
- 32-Bit Hardware Implementation (June 30, 1994). Differences
- between the documents are noted below. */
-
- switch (rel->r_type)
- {
- case R_RTB:
- case R_RRTBI:
- case R_RRTBA:
- /* These relocs are defined by the PowerPC ABI to be
- relative branches which use half of the difference
- between the symbol and the program counter. I can't
- quite figure out when this is useful. These relocs are
- not defined by the PowerOpen ABI. */
- default:
- (*_bfd_error_handler)
- (_("%s: unsupported relocation type 0x%02x"),
- bfd_archive_filename (input_bfd), (unsigned int) rel->r_type);
- bfd_set_error (bfd_error_bad_value);
- return false;
- case R_POS:
- /* Simple positive relocation. */
- break;
- case R_NEG:
- /* Simple negative relocation. */
- val = - val;
- break;
- case R_REL:
- /* Simple PC relative relocation. */
- howto.pc_relative = true;
- break;
- case R_TOC:
- /* TOC relative relocation. The value in the instruction in
- the input file is the offset from the input file TOC to
- the desired location. We want the offset from the final
- TOC to the desired location. We have:
- isym = iTOC + in
- iinsn = in + o
- osym = oTOC + on
- oinsn = on + o
- so we must change insn by on - in.
- */
- case R_GL:
- /* Global linkage relocation. The value of this relocation
- is the address of the entry in the TOC section. */
- case R_TCL:
- /* Local object TOC address. I can't figure out the
- difference between this and case R_GL. */
- case R_TRL:
- /* TOC relative relocation. A TOC relative load instruction
- which may be changed to a load address instruction.
- FIXME: We don't currently implement this optimization. */
- case R_TRLA:
- /* TOC relative relocation. This is a TOC relative load
- address instruction which may be changed to a load
- instruction. FIXME: I don't know if this is the correct
- implementation. */
- if (h != NULL && h->smclas != XMC_TD)
- {
- if (h->toc_section == NULL)
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ {
+ sec = h->root.u.def.section;
+ val = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ }
+ else if (h->root.type == bfd_link_hash_common)
{
- (*_bfd_error_handler)
- (_("%s: TOC reloc at 0x%x to symbol `%s' with no TOC entry"),
- bfd_archive_filename (input_bfd), rel->r_vaddr,
- h->root.root.string);
- bfd_set_error (bfd_error_bad_value);
- return false;
+ sec = h->root.u.c.p->section;
+ val = (sec->output_section->vma
+ + sec->output_offset);
+ }
+ else if ((0 == (h->flags & (XCOFF_DEF_DYNAMIC | XCOFF_IMPORT)))
+ && ! info->relocateable)
+ {
+ if (! ((*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd, input_section,
+ rel->r_vaddr - input_section->vma, true)))
+ return false;
+
+ /* Don't try to process the reloc. It can't help, and
+ it may generate another error. */
+ continue;
}
-
- BFD_ASSERT ((h->flags & XCOFF_SET_TOC) == 0);
- val = (h->toc_section->output_section->vma
- + h->toc_section->output_offset);
}
-
- val = ((val - xcoff_data (output_bfd)->toc)
- - (sym->n_value - xcoff_data (input_bfd)->toc));
-
- addend = 0;
- break;
- case R_BA:
- /* Absolute branch. We don't want to mess with the lower
- two bits of the instruction. */
- case R_CAI:
- /* The PowerPC ABI defines this as an absolute call which
- may be modified to become a relative call. The PowerOpen
- ABI does not define this relocation type. */
- case R_RBA:
- /* Absolute branch which may be modified to become a
- relative branch. */
- case R_RBAC:
- /* The PowerPC ABI defines this as an absolute branch to a
- fixed address which may be modified to an absolute branch
- to a symbol. The PowerOpen ABI does not define this
- relocation type. */
- case R_RBRC:
- /* The PowerPC ABI defines this as an absolute branch to a
- fixed address which may be modified to a relative branch.
- The PowerOpen ABI does not define this relocation type. */
- howto.src_mask &= ~3;
- howto.dst_mask = howto.src_mask;
- break;
- case R_BR:
- /* Relative branch. We don't want to mess with the lower
- two bits of the instruction. */
- case R_CREL:
- /* The PowerPC ABI defines this as a relative call which may
- be modified to become an absolute call. The PowerOpen
- ABI does not define this relocation type. */
- case R_RBR:
- /* A relative branch which may be modified to become an
- absolute branch. FIXME: We don't implement this,
- although we should for symbols of storage mapping class
- XMC_XO. */
- howto.pc_relative = true;
- howto.src_mask &= ~3;
- howto.dst_mask = howto.src_mask;
- howto.size = 2;
- howto.complain_on_overflow = complain_overflow_bitfield;
- break;
- case R_RL:
- /* The PowerPC AIX ABI describes this as a load which may be
- changed to a load address. The PowerOpen ABI says this
- is the same as case R_POS. */
- break;
- case R_RLA:
- /* The PowerPC AIX ABI describes this as a load address
- which may be changed to a load. The PowerOpen ABI says
- this is the same as R_POS. */
- break;
}
-
- /* If we see an R_BR or R_RBR reloc which is jumping to global
- linkage code, and it is followed by an appropriate cror nop
- instruction, we replace the cror with ld r2,40(r1). This
- restores the TOC after the glink code. Contrariwise, if the
- call is followed by a ld r2,40(r1), but the call is not
- going to global linkage code, we can replace the load with a
- cror. */
- if ((rel->r_type == R_BR || rel->r_type == R_RBR)
- && h != NULL
- && h->root.type == bfd_link_hash_defined
- && (rel->r_vaddr - input_section->vma + 8
- <= input_section->_cooked_size))
+
+ if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION
+ || (false == xcoff64_calculate_relocation[rel->r_type]
+ (input_bfd, input_section, output_bfd, rel, sym, &howto, val,
+ addend, &relocation, contents)))
+ return false;
+
+ /* address */
+ address = rel->r_vaddr - input_section->vma;
+ location = contents + address;
+
+ if (address > input_section->_raw_size)
+ abort();
+
+ /* Get the value we are going to relocate. */
+ if (1 == howto.size)
+ value_to_relocate = bfd_get_16 (input_bfd, location);
+ else if (2 == howto.size)
+ value_to_relocate = bfd_get_32 (input_bfd, location);
+ else
+ value_to_relocate = bfd_get_64 (input_bfd, location);
+
+ /* overflow.
+
+ FIXME: We may drop bits during the addition
+ which we don't check for. We must either check at every single
+ operation, which would be tedious, or we must do the computations
+ in a type larger than bfd_vma, which would be inefficient. */
+
+ if ((unsigned int) howto.complain_on_overflow >=
+ XCOFF_MAX_COMPLAIN_OVERFLOW)
+ abort();
+
+ if ((true == xcoff_complain_overflow[howto.complain_on_overflow]
+ (input_bfd, value_to_relocate, relocation, &howto)))
{
- bfd_byte *pnext;
- unsigned long next;
-
- pnext = contents + (rel->r_vaddr - input_section->vma) + 4;
- next = bfd_get_32 (input_bfd, pnext);
-
-
- /* The _ptrgl function is magic. It is used by the AIX
- * compiler to call a function through a pointer.
- *
- * special case XMC_GL, global linkage
- */
- if (h->smclas == XMC_GL
- || strcmp (h->root.root.string, "._ptrgl") == 0)
+ const char *name;
+ char buf[SYMNMLEN + 1];
+ char reloc_type_name[10];
+
+ if (symndx == -1)
{
- if (next == 0x4def7b82 /* cror 15,15,15 */
- || next == 0x4ffffb82 /* cror 31,31,31 */
- || next == 0x60000000 /* ori r0,r0,0 */)
- bfd_put_32 (input_bfd, (bfd_vma) 0xe8410028 /* ld r2,40(r1) */,
- pnext);
- }
- else
+ name = "*ABS*";
+ }
+ else if (h != NULL)
{
- if (next == 0xe8410028 /* ld r2,40(r1) */)
- bfd_put_32 (input_bfd, (bfd_vma) 0x60000000 /* ori r0,r0,0 */,
- pnext);
+ name = h->root.root.string;
+ }
+ else
+ {
+ name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
+ if (name == NULL)
+ name = "UNKNOWN";
}
+ sprintf (reloc_type_name, "0x%02x", rel->r_type);
+
+ if (! ((*info->callbacks->reloc_overflow)
+ (info, name, reloc_type_name, (bfd_vma) 0, input_bfd,
+ input_section, rel->r_vaddr - input_section->vma)))
+ return false;
}
- /* A PC relative reloc includes the section address. */
- if (howto.pc_relative)
- addend += input_section->vma;
-
- rstat = _bfd_final_link_relocate (&howto, input_bfd, input_section,
- contents,
- rel->r_vaddr - input_section->vma,
- val, addend);
-
- switch (rstat)
- {
- default:
- abort ();
- case bfd_reloc_ok:
- break;
- case bfd_reloc_overflow:
- {
- const char *name;
- char buf[SYMNMLEN + 1];
- char howto_name[10];
-
- if (symndx == -1)
- name = "*ABS*";
- else if (h != NULL)
- name = h->root.root.string;
- else
- {
- name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
- if (name == NULL)
- return false;
- }
- sprintf (howto_name, "0x%02x", rel->r_type);
-
- if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto_name, (bfd_vma) 0, input_bfd,
- input_section, rel->r_vaddr - input_section->vma)))
- return false;
- }
- }
+ /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */
+ value_to_relocate = ((value_to_relocate & ~howto.dst_mask) |
+ (((value_to_relocate & howto.src_mask) +
+ relocation) & howto.dst_mask));
+
+ /* Put the value back in the object file. */
+ if (1 == howto.size)
+ bfd_put_16 (input_bfd, value_to_relocate, location);
+ else if (2 == howto.size)
+ bfd_put_32 (input_bfd, value_to_relocate, location);
+ else
+ bfd_put_64 (input_bfd, value_to_relocate, location);
+
}
-
return true;
}
-
\f
/* The XCOFF reloc table. Actually, XCOFF relocations specify the
bitsize and whether they are signed or not, along with a
different algorithms for putting in the reloc. Many of these
relocs need special_function entries, which I have not written. */
-
reloc_howto_type xcoff64_howto_table[] =
{
/* Standard 64 bit relocation. */
- HOWTO (0, /* type */
+ HOWTO (R_POS, /* type */
0, /* rightshift */
4, /* size (0 = byte, 1 = short, 2 = long) */
64, /* bitsize */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
- "R_POS", /* name */
+ "R_POS_64", /* name */
true, /* partial_inplace */
MINUS_ONE, /* src_mask */
MINUS_ONE, /* dst_mask */
false), /* pcrel_offset */
/* 64 bit relocation, but store negative value. */
- HOWTO (1, /* type */
+ HOWTO (R_NEG, /* type */
0, /* rightshift */
-4, /* size (0 = byte, 1 = short, 2 = long) */
64, /* bitsize */
false), /* pcrel_offset */
/* 32 bit PC relative relocation. */
- HOWTO (2, /* type */
+ HOWTO (R_REL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false), /* pcrel_offset */
/* 16 bit TOC relative relocation. */
- HOWTO (3, /* type */
+ HOWTO (R_TOC, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0xffff, /* dst_mask */
false), /* pcrel_offset */
- /* I don't really know what this is. */
- HOWTO (4, /* type */
+ /* I don't really know what this is. */
+ HOWTO (R_RTB, /* type */
1, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false), /* pcrel_offset */
/* External TOC relative symbol. */
- HOWTO (5, /* type */
+ HOWTO (R_GL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false), /* pcrel_offset */
/* Local TOC relative symbol. */
- HOWTO (6, /* type */
+ HOWTO (R_TCL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
EMPTY_HOWTO (7),
/* Non modifiable absolute branch. */
- HOWTO (8, /* type */
+ HOWTO (R_BA, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
- "R_BA", /* name */
+ "R_BA_26", /* name */
true, /* partial_inplace */
0x3fffffc, /* src_mask */
0x3fffffc, /* dst_mask */
EMPTY_HOWTO (9),
/* Non modifiable relative branch. */
- HOWTO (0xa, /* type */
+ HOWTO (R_BR, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
EMPTY_HOWTO (0xb),
/* Indirect load. */
- HOWTO (0xc, /* type */
+ HOWTO (R_RL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false), /* pcrel_offset */
/* Load address. */
- HOWTO (0xd, /* type */
+ HOWTO (R_RLA, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
EMPTY_HOWTO (0xe),
- /* Non-relocating reference. */
- HOWTO (0xf, /* type */
+ /* Non-relocating reference. */
+ HOWTO (R_REF, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
EMPTY_HOWTO (0x11),
/* TOC relative indirect load. */
- HOWTO (0x12, /* type */
+ HOWTO (R_TRL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false), /* pcrel_offset */
/* TOC relative load address. */
- HOWTO (0x13, /* type */
+ HOWTO (R_TRLA, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false), /* pcrel_offset */
/* Modifiable relative branch. */
- HOWTO (0x14, /* type */
+ HOWTO (R_RRTBI, /* type */
1, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false), /* pcrel_offset */
/* Modifiable absolute branch. */
- HOWTO (0x15, /* type */
+ HOWTO (R_RRTBA, /* type */
1, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false), /* pcrel_offset */
/* Modifiable call absolute indirect. */
- HOWTO (0x16, /* type */
+ HOWTO (R_CAI, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0xffff, /* dst_mask */
false), /* pcrel_offset */
- /* Modifiable call relative. */
- HOWTO (0x17, /* type */
+ /* Modifiable call relative. */
+ HOWTO (R_CREL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
false), /* pcrel_offset */
/* Modifiable branch absolute. */
- HOWTO (0x18, /* type */
+ HOWTO (R_RBA, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
false), /* pcrel_offset */
/* Modifiable branch absolute. */
- HOWTO (0x19, /* type */
+ HOWTO (R_RBAC, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
false), /* pcrel_offset */
/* Modifiable branch relative. */
- HOWTO (0x1a, /* type */
+ HOWTO (R_RBR, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
- "R_RBR", /* name */
+ "R_RBR_26", /* name */
true, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
/* Modifiable branch absolute. */
- HOWTO (0x1b, /* type */
+ HOWTO (R_RBRC, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
0xffff, /* dst_mask */
false), /* pcrel_offset */
- HOWTO (0, /* type */
+ HOWTO (R_POS, /* type */
0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 64, /* bitsize */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
- "R_POS", /* name */
+ "R_POS_32", /* name */
true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false) /* pcrel_offset */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* 16 bit Non modifiable absolute branch. */
+ HOWTO (R_BA, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ 0, /* special_function */
+ "R_BA_16", /* name */
+ true, /* partial_inplace */
+ 0xfffc, /* src_mask */
+ 0xfffc, /* dst_mask */
+ false), /* pcrel_offset */
+
+ /* Modifiable branch relative. */
+ HOWTO (R_RBR, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ 0, /* special_function */
+ "R_RBR_16", /* name */
+ true, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
};
void
arelent *relent;
struct internal_reloc *internal;
{
- relent->howto = xcoff64_howto_table + internal->r_type;
-
- /* Check for relocs we don't know of. */
- if (internal->r_type
- >= sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]))
- abort ();
- if (internal->r_type != relent->howto->type)
+ if (internal->r_type > R_RBRC)
abort ();
+ /* Default howto layout works most of the time */
+ relent->howto = &xcoff64_howto_table[internal->r_type];
+
+ /* Special case some 16 bit reoloc */
+ if (15 == (internal->r_size & 0x3f))
+ {
+ if (R_BA == internal->r_type)
+ relent->howto = &xcoff64_howto_table[0x1d];
+ else if (R_RBR == internal->r_type)
+ relent->howto = &xcoff64_howto_table[0x1e];
+ }
+ /* Special case 32 bit */
+ else if (31 == (internal->r_size & 0x3f))
+ {
+ if (R_POS == internal->r_type)
+ relent->howto = &xcoff64_howto_table[0x1c];
+ }
+
/* The r_size field of an XCOFF reloc encodes the bitsize of the
relocation, as well as indicating whether it is signed or not.
Doublecheck that the relocation information gathered from the
&& (relent->howto->bitsize
!= ((unsigned int) internal->r_size & 0x3f) + 1))
abort ();
-#if 0
- if ((internal->r_size & 0x80) != 0
- ? (relent->howto->complain_on_overflow != complain_overflow_signed)
- : (relent->howto->complain_on_overflow != complain_overflow_bitfield))
- abort ();
-#endif
+
+ /* Put a meaningful value in addend */
+ relent->addend = (internal->r_size & 0x80) ? - internal->r_vaddr
+ : internal->r_vaddr;
}
reloc_howto_type *
{
case BFD_RELOC_PPC_B26:
return &xcoff64_howto_table[0xa];
+ case BFD_RELOC_PPC_BA16:
+ return &xcoff64_howto_table[0x1d];
case BFD_RELOC_PPC_BA26:
return &xcoff64_howto_table[8];
case BFD_RELOC_PPC_TOC16:
return &xcoff64_howto_table[3];
case BFD_RELOC_32:
case BFD_RELOC_CTOR:
- return &xcoff64_howto_table[0];
- case BFD_RELOC_64:
return &xcoff64_howto_table[0x1c];
+ case BFD_RELOC_64:
+ return &xcoff64_howto_table[0];
default:
return NULL;
}
}
-
-
/* Read in the armap of an XCOFF archive. */
static boolean
return (ldhdr->l_rldoff);
}
+static boolean
+xcoff64_bad_format_hook (abfd, filehdr)
+ bfd * abfd;
+ PTR filehdr;
+{
+ struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
+
+ /* Check flavor first. */
+ if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour)
+ return false;
+
+ if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic)
+ return false;
+
+ return true;
+}
+
+static boolean
+xcoff64_generate_rtinit (abfd, init, fini, rtld)
+ bfd *abfd;
+ const char *init;
+ const char *fini;
+ boolean rtld;
+{
+ bfd_byte filehdr_ext[FILHSZ];
+ bfd_byte scnhdr_ext[SCNHSZ * 3];
+ bfd_byte syment_ext[SYMESZ * 10];
+ bfd_byte reloc_ext[RELSZ * 3];
+ bfd_byte *data_buffer;
+ bfd_size_type data_buffer_size;
+ bfd_byte *string_table, *st_tmp;
+ bfd_size_type string_table_size;
+ bfd_vma val;
+ size_t initsz, finisz;
+ struct internal_filehdr filehdr;
+ struct internal_scnhdr text_scnhdr;
+ struct internal_scnhdr data_scnhdr;
+ struct internal_scnhdr bss_scnhdr;
+ struct internal_syment syment;
+ union internal_auxent auxent;
+ struct internal_reloc reloc;
+
+ char *text_name = ".text";
+ char *data_name = ".data";
+ char *bss_name = ".bss";
+ char *rtinit_name = "__rtinit";
+ char *rtld_name = "__rtld";
+
+ if (! bfd_xcoff_rtinit_size (abfd))
+ return false;
+
+ initsz = (init == NULL ? 0 : 1 + strlen (init));
+ finisz = (fini == NULL ? 0 : 1 + strlen (fini));
+
+ /* File header. */
+ memset (filehdr_ext, 0, FILHSZ);
+ memset (&filehdr, 0, sizeof (struct internal_filehdr));
+ filehdr.f_magic = bfd_xcoff_magic_number (abfd);
+ filehdr.f_nscns = 3;
+ filehdr.f_timdat = 0;
+ filehdr.f_nsyms = 0; /* at least 6, no more than 8 */
+ filehdr.f_symptr = 0; /* set below */
+ filehdr.f_opthdr = 0;
+ filehdr.f_flags = 0;
+
+ /* Section headers. */
+ memset (scnhdr_ext, 0, 3 * SCNHSZ);
+
+ /* Text. */
+ memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr));
+ memcpy (text_scnhdr.s_name, text_name, strlen (text_name));
+ text_scnhdr.s_paddr = 0;
+ text_scnhdr.s_vaddr = 0;
+ text_scnhdr.s_size = 0;
+ text_scnhdr.s_scnptr = 0;
+ text_scnhdr.s_relptr = 0;
+ text_scnhdr.s_lnnoptr = 0;
+ text_scnhdr.s_nreloc = 0;
+ text_scnhdr.s_nlnno = 0;
+ text_scnhdr.s_flags = STYP_TEXT;
+
+ /* Data. */
+ memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr));
+ memcpy (data_scnhdr.s_name, data_name, strlen (data_name));
+ data_scnhdr.s_paddr = 0;
+ data_scnhdr.s_vaddr = 0;
+ data_scnhdr.s_size = 0; /* set below */
+ data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ;
+ data_scnhdr.s_relptr = 0; /* set below */
+ data_scnhdr.s_lnnoptr = 0;
+ data_scnhdr.s_nreloc = 0; /* either 1 or 2 */
+ data_scnhdr.s_nlnno = 0;
+ data_scnhdr.s_flags = STYP_DATA;
+
+ /* Bss. */
+ memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr));
+ memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name));
+ bss_scnhdr.s_paddr = 0; /* set below */
+ bss_scnhdr.s_vaddr = 0; /* set below */
+ bss_scnhdr.s_size = 0; /* set below */
+ bss_scnhdr.s_scnptr = 0;
+ bss_scnhdr.s_relptr = 0;
+ bss_scnhdr.s_lnnoptr = 0;
+ bss_scnhdr.s_nreloc = 0;
+ bss_scnhdr.s_nlnno = 0;
+ bss_scnhdr.s_flags = STYP_BSS;
+
+ /* .data
+ 0x0000 0x00000000 : rtl
+ 0x0004 0x00000000 :
+ 0x0008 0x00000018 : offset to init, or 0
+ 0x000C 0x00000038 : offset to fini, or 0
+ 0x0010 0x00000010 : size of descriptor
+ 0x0014 0x00000000 : pad
+ 0x0018 0x00000000 : init, needs a reloc
+ 0x001C 0x00000000 :
+ 0x0020 0x00000058 : offset to init name
+ 0x0024 0x00000000 : flags, padded to a word
+ 0x0028 0x00000000 : empty init
+ 0x002C 0x00000000 :
+ 0x0030 0x00000000 :
+ 0x0034 0x00000000 :
+ 0x0038 0x00000000 : fini, needs a reloc
+ 0x003C 0x00000000 :
+ 0x0040 0x00000??? : offset to fini name
+ 0x0044 0x00000000 : flags, padded to a word
+ 0x0048 0x00000000 : empty fini
+ 0x004C 0x00000000 :
+ 0x0050 0x00000000 :
+ 0x0054 0x00000000 :
+ 0x0058 init name
+ 0x0058 + initsz fini name */
+
+ data_buffer_size = 0x0058 + initsz + finisz;
+ data_buffer_size += (data_buffer_size & 7) ? 8 - (data_buffer_size & 7) : 0;
+ data_buffer = NULL;
+ data_buffer = (bfd_byte *)bfd_malloc (data_buffer_size);
+ if (data_buffer == NULL)
+ return false;
+
+ memset (data_buffer, 0, data_buffer_size);
+
+ if (initsz)
+ {
+ val = 0x18;
+ bfd_put_32 (abfd, val, &data_buffer[0x08]);
+ val = 0x58;
+ bfd_put_32 (abfd, val, &data_buffer[0x20]);
+ memcpy (&data_buffer[val], init, initsz);
+ }
+
+ if (finisz)
+ {
+ val = 0x38;
+ bfd_put_32 (abfd, val, &data_buffer[0x0C]);
+ val = 0x58 + initsz;
+ bfd_put_32 (abfd, val, &data_buffer[0x40]);
+ memcpy (&data_buffer[val], fini, finisz);
+ }
+
+ val = 0x10;
+ bfd_put_32 (abfd, val, &data_buffer[0x10]);
+ data_scnhdr.s_size = data_buffer_size;
+ bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size;
+
+ /* String table. */
+ string_table_size = 4;
+ string_table_size += strlen (data_name) + 1;
+ string_table_size += strlen (rtinit_name) + 1;
+ string_table_size += initsz;
+ string_table_size += finisz;
+ if (true == rtld)
+ string_table_size += strlen (rtld_name) + 1;
+
+ string_table = (bfd_byte *)bfd_malloc (string_table_size);
+ memset (string_table, 0, string_table_size);
+ val = string_table_size;
+ bfd_put_32 (abfd, val, &string_table[0]);
+ st_tmp = string_table + 4;
+
+ /* symbols
+ 0. .data csect
+ 2. __rtinit
+ 4. init function
+ 6. fini function
+ 8. __rtld */
+ memset (syment_ext, 0, 10 * SYMESZ);
+ memset (reloc_ext, 0, 3 * RELSZ);
+
+ /* .data csect */
+ memset (&syment, 0, sizeof (struct internal_syment));
+ memset (&auxent, 0, sizeof (union internal_auxent));
+
+ syment._n._n_n._n_offset = st_tmp - string_table;
+ memcpy (st_tmp, data_name, strlen (data_name));
+ st_tmp += strlen (data_name) + 1;
+
+ syment.n_scnum = 2;
+ syment.n_sclass = C_HIDEXT;
+ syment.n_numaux = 1;
+ auxent.x_csect.x_scnlen.l = data_buffer_size;
+ auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD;
+ auxent.x_csect.x_smclas = XMC_RW;
+ bfd_coff_swap_sym_out (abfd, &syment,
+ &syment_ext[filehdr.f_nsyms * SYMESZ]);
+ bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
+ syment.n_numaux,
+ &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
+ filehdr.f_nsyms += 2;
+
+ /* __rtinit */
+ memset (&syment, 0, sizeof (struct internal_syment));
+ memset (&auxent, 0, sizeof (union internal_auxent));
+ syment._n._n_n._n_offset = st_tmp - string_table;
+ memcpy (st_tmp, rtinit_name, strlen (rtinit_name));
+ st_tmp += strlen (rtinit_name) + 1;
+
+ syment.n_scnum = 2;
+ syment.n_sclass = C_EXT;
+ syment.n_numaux = 1;
+ auxent.x_csect.x_smtyp = XTY_LD;
+ auxent.x_csect.x_smclas = XMC_RW;
+ bfd_coff_swap_sym_out (abfd, &syment,
+ &syment_ext[filehdr.f_nsyms * SYMESZ]);
+ bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
+ syment.n_numaux,
+ &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
+ filehdr.f_nsyms += 2;
+
+ /* Init. */
+ if (initsz)
+ {
+ memset (&syment, 0, sizeof (struct internal_syment));
+ memset (&auxent, 0, sizeof (union internal_auxent));
+
+ syment._n._n_n._n_offset = st_tmp - string_table;
+ memcpy (st_tmp, init, initsz);
+ st_tmp += initsz;
+
+ syment.n_sclass = C_EXT;
+ syment.n_numaux = 1;
+ bfd_coff_swap_sym_out (abfd, &syment,
+ &syment_ext[filehdr.f_nsyms * SYMESZ]);
+ bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
+ syment.n_numaux,
+ &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
+ /* Reloc. */
+ memset (&reloc, 0, sizeof (struct internal_reloc));
+ reloc.r_vaddr = 0x0018;
+ reloc.r_symndx = filehdr.f_nsyms;
+ reloc.r_type = R_POS;
+ reloc.r_size = 63;
+ bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]);
+
+ filehdr.f_nsyms += 2;
+ data_scnhdr.s_nreloc += 1;
+ }
+
+ /* Finit. */
+ if (finisz)
+ {
+ memset (&syment, 0, sizeof (struct internal_syment));
+ memset (&auxent, 0, sizeof (union internal_auxent));
+
+ syment._n._n_n._n_offset = st_tmp - string_table;
+ memcpy (st_tmp, fini, finisz);
+ st_tmp += finisz;
+
+ syment.n_sclass = C_EXT;
+ syment.n_numaux = 1;
+ bfd_coff_swap_sym_out (abfd, &syment,
+ &syment_ext[filehdr.f_nsyms * SYMESZ]);
+ bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
+ syment.n_numaux,
+ &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
+
+ /* Reloc. */
+ memset (&reloc, 0, sizeof (struct internal_reloc));
+ reloc.r_vaddr = 0x0038;
+ reloc.r_symndx = filehdr.f_nsyms;
+ reloc.r_type = R_POS;
+ reloc.r_size = 63;
+ bfd_coff_swap_reloc_out (abfd, &reloc,
+ &reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
+
+ filehdr.f_nsyms += 2;
+ data_scnhdr.s_nreloc += 1;
+ }
+
+ if (rtld)
+ {
+ memset (&syment, 0, sizeof (struct internal_syment));
+ memset (&auxent, 0, sizeof (union internal_auxent));
+
+ syment._n._n_n._n_offset = st_tmp - string_table;
+ memcpy (st_tmp, rtld_name, strlen (rtld_name));
+ st_tmp += strlen (rtld_name) + 1;
+
+ syment.n_sclass = C_EXT;
+ syment.n_numaux = 1;
+ bfd_coff_swap_sym_out (abfd, &syment,
+ &syment_ext[filehdr.f_nsyms * SYMESZ]);
+ bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0,
+ syment.n_numaux,
+ &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]);
+
+ /* Reloc. */
+ memset (&reloc, 0, sizeof (struct internal_reloc));
+ reloc.r_vaddr = 0x0000;
+ reloc.r_symndx = filehdr.f_nsyms;
+ reloc.r_type = R_POS;
+ reloc.r_size = 63;
+ bfd_coff_swap_reloc_out (abfd, &reloc,
+ &reloc_ext[data_scnhdr.s_nreloc * RELSZ]);
+
+ filehdr.f_nsyms += 2;
+ data_scnhdr.s_nreloc += 1;
+
+ bss_scnhdr.s_size = 0;
+ }
+
+ data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size;
+ filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ;
+
+ bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext);
+ bfd_bwrite (filehdr_ext, FILHSZ, abfd);
+ bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]);
+ bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]);
+ bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]);
+ bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd);
+ bfd_bwrite (data_buffer, data_buffer_size, abfd);
+ bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd);
+ bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd);
+ bfd_bwrite (string_table, string_table_size, abfd);
+
+ free (data_buffer);
+ data_buffer = NULL;
+
+ return true;
+}
+
/* The typical dynamic reloc. */
static reloc_howto_type xcoff64_dynamic_reloc =
static unsigned long xcoff64_glink_code[10] =
{
- 0xe9820000, /* ld r12,0(r2) */
- 0xf8410028, /* std r2,40(r1) */
- 0xe80c0000, /* ld r0,0(r12) */
- 0xe84c0008, /* ld r0,8(r12) */
- 0x7c0903a6, /* mtctr r0 */
- 0x4e800420, /* bctr */
- 0x00000000, /* start of traceback table */
- 0x000ca000, /* traceback table */
- 0x00000000, /* traceback table */
- 0x00000018, /* ??? */
+ 0xe9820000, /* ld r12,0(r2) */
+ 0xf8410028, /* std r2,40(r1) */
+ 0xe80c0000, /* ld r0,0(r12) */
+ 0xe84c0008, /* ld r0,8(r12) */
+ 0x7c0903a6, /* mtctr r0 */
+ 0x4e800420, /* bctr */
+ 0x00000000, /* start of traceback table */
+ 0x000ca000, /* traceback table */
+ 0x00000000, /* traceback table */
+ 0x00000018, /* ??? */
};
static const struct xcoff_backend_data_rec bfd_xcoff_backend_data =
{
- { /* COFF backend, defined in libcoff.h */
- _bfd_xcoff64_swap_aux_in, /* _bfd_coff_swap_aux_in */
- _bfd_xcoff64_swap_sym_in, /* _bfd_coff_swap_sym_in */
- _bfd_xcoff64_swap_lineno_in, /* _bfd_coff_swap_lineno_in */
- _bfd_xcoff64_swap_aux_out, /* _bfd_swap_aux_out */
- _bfd_xcoff64_swap_sym_out, /* _bfd_swap_sym_out */
- _bfd_xcoff64_swap_lineno_out, /* _bfd_swap_lineno_out */
- coff_swap_reloc_out, /* _bfd_swap_reloc_out */
- coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */
- coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */
- coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */
- FILHSZ, /* _bfd_filhsz */
- AOUTSZ, /* _bfd_aoutsz */
- SCNHSZ, /* _bfd_scnhsz */
- SYMESZ, /* _bfd_symesz */
- AUXESZ, /* _bfd_auxesz */
- RELSZ, /* _bfd_relsz */
- LINESZ, /* _bfd_linesz */
- FILNMLEN, /* _bfd_filnmlen */
- true, /* _bfd_coff_long_filenames */
- false, /* _bfd_coff_long_section_names */
- (3), /* _bfd_coff_default_section_alignment_power */
- true, /* _bfd_coff_force_symnames_in_strings */
- 4, /* _bfd_coff_debug_string_prefix_length */
- coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */
- coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */
- coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */
- coff_swap_reloc_in, /* _bfd_reloc_in */
- coff_bad_format_hook, /* _bfd_bad_format_hook */
- coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */
- coff_mkobject_hook, /* _bfd_mkobject_hook */
- styp_to_sec_flags, /* _bfd_syp_to_sec_flags */
- coff_set_alignment_hook, /* _bfd_set_alignment_hook */
- coff_slurp_symbol_table, /* _bfd_coff_slurp_symbol_table */
- symname_in_debug_hook, /* _coff_symname_in_debug_hook */
- coff_pointerize_aux_hook, /* _bfd_coff_pointerize_aux_hook */
- coff_print_aux, /* bfd_coff_print_aux */
- dummy_reloc16_extra_cases, /* _bfd_coff_reloc16_extra_cases */
- dummy_reloc16_estimate, /* _bfd_coff_reloc16_estimate */
- NULL, /* bfd_coff_sym_is_global */
+ { /* COFF backend, defined in libcoff.h. */
+ _bfd_xcoff64_swap_aux_in, /* _bfd_coff_swap_aux_in */
+ _bfd_xcoff64_swap_sym_in, /* _bfd_coff_swap_sym_in */
+ _bfd_xcoff64_swap_lineno_in, /* _bfd_coff_swap_lineno_in */
+ _bfd_xcoff64_swap_aux_out, /* _bfd_swap_aux_out */
+ _bfd_xcoff64_swap_sym_out, /* _bfd_swap_sym_out */
+ _bfd_xcoff64_swap_lineno_out, /* _bfd_swap_lineno_out */
+ xcoff64_swap_reloc_out, /* _bfd_swap_reloc_out */
+ coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */
+ coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */
+ coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */
+ FILHSZ, /* _bfd_filhsz */
+ AOUTSZ, /* _bfd_aoutsz */
+ SCNHSZ, /* _bfd_scnhsz */
+ SYMESZ, /* _bfd_symesz */
+ AUXESZ, /* _bfd_auxesz */
+ RELSZ, /* _bfd_relsz */
+ LINESZ, /* _bfd_linesz */
+ FILNMLEN, /* _bfd_filnmlen */
+ true, /* _bfd_coff_long_filenames */
+ false, /* _bfd_coff_long_section_names */
+ (3), /* _bfd_coff_default_section_alignment_power */
+ true, /* _bfd_coff_force_symnames_in_strings */
+ 4, /* _bfd_coff_debug_string_prefix_length */
+ coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */
+ coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */
+ coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */
+ xcoff64_swap_reloc_in, /* _bfd_reloc_in */
+ xcoff64_bad_format_hook, /* _bfd_bad_format_hook */
+ coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */
+ coff_mkobject_hook, /* _bfd_mkobject_hook */
+ styp_to_sec_flags, /* _bfd_syp_to_sec_flags */
+ coff_set_alignment_hook, /* _bfd_set_alignment_hook */
+ coff_slurp_symbol_table, /* _bfd_coff_slurp_symbol_table */
+ symname_in_debug_hook, /* _coff_symname_in_debug_hook */
+ coff_pointerize_aux_hook, /* _bfd_coff_pointerize_aux_hook */
+ coff_print_aux, /* bfd_coff_print_aux */
+ dummy_reloc16_extra_cases, /* _bfd_coff_reloc16_extra_cases */
+ dummy_reloc16_estimate, /* _bfd_coff_reloc16_estimate */
+ NULL, /* bfd_coff_sym_is_global */
/* _bfd_coff_compute_section_file_positions */
coff_compute_section_file_positions,
- NULL , /* _bfd_coff_start_final_link */
- xcoff64_ppc_relocate_section, /* _bfd_coff_relocate_section */
- coff_rtype_to_howto, /* _bfd_coff_rtype_to_howto */
- NULL , /* _bfd_coff_addust_symndx */
- _bfd_generic_link_add_one_symbol, /* _bfd_coff_add_one_symbol */
- coff_link_output_has_begun, /* _bfd_coff_link_output_has_begun */
- coff_final_link_postscript /* _bfd_coff_final_link_postscript */
+ NULL , /* _bfd_coff_start_final_link */
+ xcoff64_ppc_relocate_section, /* _bfd_coff_relocate_section */
+ coff_rtype_to_howto, /* _bfd_coff_rtype_to_howto */
+ NULL , /* _bfd_coff_addust_symndx */
+ _bfd_generic_link_add_one_symbol, /* _bfd_coff_add_one_symbol */
+ coff_link_output_has_begun, /* _bfd_coff_link_output_has_begun */
+ coff_final_link_postscript /* _bfd_coff_final_link_postscript */
},
- 0x01EF, /* magic number */
- bfd_arch_powerpc, /* architecture */
- bfd_mach_ppc_620, /* machine */
-
- /* function pointers to xcoff specific swap routines */
- xcoff64_swap_ldhdr_in, /* _xcoff_swap_ldhdr_in */
- xcoff64_swap_ldhdr_out, /* _xcoff_swap_ldhdr_out */
- xcoff64_swap_ldsym_in, /* _xcoff_swap_ldsym_in */
- xcoff64_swap_ldsym_out, /* _xcoff_swap_ldsym_out */
- xcoff64_swap_ldrel_in, /* _xcoff_swap_ldrel_in */
- xcoff64_swap_ldrel_out, /* _xcoff_swap_ldrel_out */
-
- /* sizes */
- LDHDRSZ, /* _xcoff_ldhdrsz */
- LDSYMSZ, /* _xcoff_ldsymsz */
- LDRELSZ, /* _xcoff_ldrelsz */
- 24, /* _xcoff_function_descriptor_size */
- 0, /* _xcoff_small_aout_header_size */
- /* versions */
- 2, /* _xcoff_ldhdr_version */
-
- /* xcoff vs xcoff64 putting symbol names */
- _bfd_xcoff64_put_symbol_name, /* _xcoff_put_symbol_name */
- _bfd_xcoff64_put_ldsymbol_name, /* _xcoff_put_ldsymbol_name */
-
- /* dynamic reloc howto */
+ 0x01EF, /* magic number */
+ bfd_arch_powerpc, /* architecture */
+ bfd_mach_ppc_620, /* machine */
+
+ /* Function pointers to xcoff specific swap routines. */
+ xcoff64_swap_ldhdr_in, /* _xcoff_swap_ldhdr_in */
+ xcoff64_swap_ldhdr_out, /* _xcoff_swap_ldhdr_out */
+ xcoff64_swap_ldsym_in, /* _xcoff_swap_ldsym_in */
+ xcoff64_swap_ldsym_out, /* _xcoff_swap_ldsym_out */
+ xcoff64_swap_ldrel_in, /* _xcoff_swap_ldrel_in */
+ xcoff64_swap_ldrel_out, /* _xcoff_swap_ldrel_out */
+
+ /* Sizes. */
+ LDHDRSZ, /* _xcoff_ldhdrsz */
+ LDSYMSZ, /* _xcoff_ldsymsz */
+ LDRELSZ, /* _xcoff_ldrelsz */
+ 24, /* _xcoff_function_descriptor_size */
+ 0, /* _xcoff_small_aout_header_size */
+
+ /* Versions. */
+ 2, /* _xcoff_ldhdr_version */
+
+ /* xcoff vs xcoff64 putting symbol names. */
+ _bfd_xcoff64_put_symbol_name, /* _xcoff_put_symbol_name */
+ _bfd_xcoff64_put_ldsymbol_name, /* _xcoff_put_ldsymbol_name */
+
+ /* Dynamic reloc howto. */
&xcoff64_dynamic_reloc,
xcoff64_create_csect_from_smclas,
- /* lineno and reloc count overflow */
+ /* Lineno and reloc count overflow. */
xcoff64_is_lineno_count_overflow,
xcoff64_is_reloc_count_overflow,
xcoff64_loader_symbol_offset,
xcoff64_loader_reloc_offset,
- /* glink */
+ /* glink. */
&xcoff64_glink_code[0],
- 40, /* _xcoff_glink_size */
+ 40, /* _xcoff_glink_size */
+ /* rtinit. */
+ 88, /* _xcoff_rtinit_size */
+ xcoff64_generate_rtinit, /* _xcoff_generate_rtinit */
};
-/* The transfer vector that leads the outside world to all of the above. */
+/* The transfer vector that leads the outside world to all of the above. */
const bfd_target rs6000coff64_vec =
{
"aixcoff64-rs6000",
15, /* ar_max_namelen??? FIXMEmgo */
/* data */
- bfd_getb64, /* bfd_getx64 */
- bfd_getb_signed_64, /* bfd_getx_signed_64 */
- bfd_putb64, /* bfd_putx64 */
- bfd_getb32, /* bfd_getx32 */
- bfd_getb_signed_32, /* bfd_getx_signed_32 */
- bfd_putb32, /* bfd_putx32 */
- bfd_getb16, /* bfd_getx16 */
- bfd_getb_signed_16, /* bfd_getx_signed_16 */
- bfd_putb16, /* bfd_putx16 */
+ bfd_getb64, /* bfd_getx64 */
+ bfd_getb_signed_64, /* bfd_getx_signed_64 */
+ bfd_putb64, /* bfd_putx64 */
+ bfd_getb32, /* bfd_getx32 */
+ bfd_getb_signed_32, /* bfd_getx_signed_32 */
+ bfd_putb32, /* bfd_putx32 */
+ bfd_getb16, /* bfd_getx16 */
+ bfd_getb_signed_16, /* bfd_getx_signed_16 */
+ bfd_putb16, /* bfd_putx16 */
/* hdrs */
- bfd_getb64, /* bfd_h_getx64 */
- bfd_getb_signed_64, /* bfd_h_getx_signed_64 */
- bfd_putb64, /* bfd_h_putx64 */
- bfd_getb32, /* bfd_h_getx32 */
- bfd_getb_signed_32, /* bfd_h_getx_signed_32 */
- bfd_putb32, /* bfd_h_putx32 */
- bfd_getb16, /* bfd_h_getx16 */
- bfd_getb_signed_16, /* bfd_h_getx_signed_16 */
- bfd_putb16, /* bfd_h_putx16 */
+ bfd_getb64, /* bfd_h_getx64 */
+ bfd_getb_signed_64, /* bfd_h_getx_signed_64 */
+ bfd_putb64, /* bfd_h_putx64 */
+ bfd_getb32, /* bfd_h_getx32 */
+ bfd_getb_signed_32, /* bfd_h_getx_signed_32 */
+ bfd_putb32, /* bfd_h_putx32 */
+ bfd_getb16, /* bfd_h_getx16 */
+ bfd_getb_signed_16, /* bfd_h_getx_signed_16 */
+ bfd_putb16, /* bfd_h_putx16 */
{ /* bfd_check_format */
_bfd_dummy_target,
},
/* Generic */
- bfd_true, /* _close_and_cleanup */
- bfd_true, /* _bfd_free_cached_info */
- coff_new_section_hook, /* _new_section_hook */
- _bfd_generic_get_section_contents, /* _bfd_get_section_contents */
+ bfd_true, /* _close_and_cleanup */
+ bfd_true, /* _bfd_free_cached_info */
+ coff_new_section_hook, /* _new_section_hook */
+ _bfd_generic_get_section_contents, /* _bfd_get_section_contents */
/* _bfd_get_section_contents_in_window */
_bfd_generic_get_section_contents_in_window,
/* Copy */
- _bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */
+ _bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */
/* _bfd_merge_private_bfd_data */
((boolean (*) (bfd *, bfd *)) bfd_true),
/* _bfd_copy_pivate_section_data */
((boolean (*) (bfd *, void * )) bfd_true), /* _bfd_print_private_bfd_data */
/* Core */
- coff_core_file_failing_command, /* _core_file_failing_command */
- coff_core_file_failing_signal, /* _core_file_failing_signal */
- /* _core_file_matches_executable_p */
- coff_core_file_matches_executable_p,
+ coff_core_file_failing_command, /* _core_file_failing_command */
+ coff_core_file_failing_signal, /* _core_file_failing_signal */
+ coff_core_file_matches_executable_p, /* _core_file_matches_executable_p */
/* Archive */
- xcoff64_slurp_armap, /* _slurp_armap */
- /* XCOFF archives do not have
- anything which corresponds to
- an extended name table. */
- bfd_false, /* _slurp_extended_name_table */
+ xcoff64_slurp_armap, /* _slurp_armap */
+ /* XCOFF archives do not have anything which corresponds to an
+ extended name table. */
+ bfd_false, /* _slurp_extended_name_table */
/* _construct_extended_name_table */
((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false),
- bfd_dont_truncate_arname, /* _truncate_arname */
- _bfd_xcoff_write_armap, /* _write_armap */
- _bfd_xcoff_read_ar_hdr, /* _read_ar_hdr */
- xcoff64_openr_next_archived_file, /* _openr_next_archived_file */
- _bfd_generic_get_elt_at_index, /* _get_elt_at_index */
- _bfd_xcoff_generic_stat_arch_elt, /* _generic_dtat_arch_elt */
- /* XCOFF archives do not have
- a timestamp. */
- bfd_true, /* _update_armap_timestamp */
+ bfd_dont_truncate_arname, /* _truncate_arname */
+ _bfd_xcoff_write_armap, /* _write_armap */
+ _bfd_xcoff_read_ar_hdr, /* _read_ar_hdr */
+ xcoff64_openr_next_archived_file, /* _openr_next_archived_file */
+ _bfd_generic_get_elt_at_index, /* _get_elt_at_index */
+ _bfd_xcoff_stat_arch_elt, /* _generic_stat_arch_elt */
+ /* XCOFF archives do not have a timestamp. */
+ bfd_true, /* _update_armap_timestamp */
/* Symbols */
- coff_get_symtab_upper_bound, /* _get_symtab_upper_bound */
- coff_get_symtab, /* _get_symtab */
- coff_make_empty_symbol, /* _make_empty_symbol */
- coff_print_symbol, /* _print_symbol */
- coff_get_symbol_info, /* _get_symbol_info */
- _bfd_xcoff_is_local_label_name, /* _bfd_is_local_label_name */
- coff_get_lineno, /* _get_lineno */
- coff_find_nearest_line, /* _find_nearest_line */
- coff_bfd_make_debug_symbol, /* _bfd_make_debug_symbol */
- _bfd_generic_read_minisymbols, /* _read_minisymbols */
- _bfd_generic_minisymbol_to_symbol, /* _minsymbol_to_symbol */
+ coff_get_symtab_upper_bound, /* _get_symtab_upper_bound */
+ coff_get_symtab, /* _get_symtab */
+ coff_make_empty_symbol, /* _make_empty_symbol */
+ coff_print_symbol, /* _print_symbol */
+ coff_get_symbol_info, /* _get_symbol_info */
+ _bfd_xcoff_is_local_label_name, /* _bfd_is_local_label_name */
+ coff_get_lineno, /* _get_lineno */
+ coff_find_nearest_line, /* _find_nearest_line */
+ coff_bfd_make_debug_symbol, /* _bfd_make_debug_symbol */
+ _bfd_generic_read_minisymbols, /* _read_minisymbols */
+ _bfd_generic_minisymbol_to_symbol, /* _minsymbol_to_symbol */
/* Reloc */
- coff_get_reloc_upper_bound, /* _get_reloc_upper_bound */
- coff_canonicalize_reloc, /* _cononicalize_reloc */
- xcoff64_reloc_type_lookup, /* _bfd_reloc_type_lookup */
+ coff_get_reloc_upper_bound, /* _get_reloc_upper_bound */
+ coff_canonicalize_reloc, /* _cononicalize_reloc */
+ xcoff64_reloc_type_lookup, /* _bfd_reloc_type_lookup */
/* Write */
- coff_set_arch_mach, /* _set_arch_mach */
- coff_set_section_contents, /* _set_section_contents */
+ coff_set_arch_mach, /* _set_arch_mach */
+ coff_set_section_contents, /* _set_section_contents */
/* Link */
- xcoff64_sizeof_headers, /* _sizeof_headers */
+ xcoff64_sizeof_headers, /* _sizeof_headers */
/* _bfd_get_relocated_section_contents */
bfd_generic_get_relocated_section_contents,
- bfd_generic_relax_section, /* _bfd_relax_section */
- _bfd_xcoff_bfd_link_hash_table_create, /* _bfd_link_hash_table_create */
- _bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */
- _bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */
- _bfd_generic_link_split_section, /* _bfd_link_split_section */
- bfd_generic_gc_sections, /* _bfd_gc_sections */
- bfd_generic_merge_sections, /* _bfd_merge_sections */
+ bfd_generic_relax_section, /* _bfd_relax_section */
+ _bfd_xcoff_bfd_link_hash_table_create,/* _bfd_link_hash_table_create */
+ _bfd_generic_link_hash_table_free, /* _bfd_link_hash_table_free */
+ _bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */
+ _bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */
+ _bfd_generic_link_split_section, /* _bfd_link_split_section */
+ bfd_generic_gc_sections, /* _bfd_gc_sections */
+ bfd_generic_merge_sections, /* _bfd_merge_sections */
/* Dynamic */
/* _get_dynamic_symtab_upper_bound */
/* back end data */
(void *) &bfd_xcoff_backend_data,
};
+
+extern const bfd_target *xcoff64_core_p PARAMS ((bfd *));
+extern boolean xcoff64_core_file_matches_executable_p PARAMS((bfd *, bfd *));
+extern char *xcoff64_core_file_failing_command PARAMS ((bfd *));
+extern int xcoff64_core_file_failing_signal PARAMS ((bfd *));
+
+/* AIX 5 */
+static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data =
+{
+ { /* COFF backend, defined in libcoff.h. */
+ _bfd_xcoff64_swap_aux_in, /* _bfd_coff_swap_aux_in */
+ _bfd_xcoff64_swap_sym_in, /* _bfd_coff_swap_sym_in */
+ _bfd_xcoff64_swap_lineno_in, /* _bfd_coff_swap_lineno_in */
+ _bfd_xcoff64_swap_aux_out, /* _bfd_swap_aux_out */
+ _bfd_xcoff64_swap_sym_out, /* _bfd_swap_sym_out */
+ _bfd_xcoff64_swap_lineno_out, /* _bfd_swap_lineno_out */
+ xcoff64_swap_reloc_out, /* _bfd_swap_reloc_out */
+ coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */
+ coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */
+ coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */
+ FILHSZ, /* _bfd_filhsz */
+ AOUTSZ, /* _bfd_aoutsz */
+ SCNHSZ, /* _bfd_scnhsz */
+ SYMESZ, /* _bfd_symesz */
+ AUXESZ, /* _bfd_auxesz */
+ RELSZ, /* _bfd_relsz */
+ LINESZ, /* _bfd_linesz */
+ FILNMLEN, /* _bfd_filnmlen */
+ true, /* _bfd_coff_long_filenames */
+ false, /* _bfd_coff_long_section_names */
+ (3), /* _bfd_coff_default_section_alignment_power */
+ true, /* _bfd_coff_force_symnames_in_strings */
+ 4, /* _bfd_coff_debug_string_prefix_length */
+ coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */
+ coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */
+ coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */
+ xcoff64_swap_reloc_in, /* _bfd_reloc_in */
+ xcoff64_bad_format_hook, /* _bfd_bad_format_hook */
+ coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */
+ coff_mkobject_hook, /* _bfd_mkobject_hook */
+ styp_to_sec_flags, /* _bfd_syp_to_sec_flags */
+ coff_set_alignment_hook, /* _bfd_set_alignment_hook */
+ coff_slurp_symbol_table, /* _bfd_coff_slurp_symbol_table */
+ symname_in_debug_hook, /* _coff_symname_in_debug_hook */
+ coff_pointerize_aux_hook, /* _bfd_coff_pointerize_aux_hook */
+ coff_print_aux, /* bfd_coff_print_aux */
+ dummy_reloc16_extra_cases, /* _bfd_coff_reloc16_extra_cases */
+ dummy_reloc16_estimate, /* _bfd_coff_reloc16_estimate */
+ NULL, /* bfd_coff_sym_is_global */
+ /* _bfd_coff_compute_section_file_positions */
+ coff_compute_section_file_positions,
+ NULL , /* _bfd_coff_start_final_link */
+ xcoff64_ppc_relocate_section, /* _bfd_coff_relocate_section */
+ coff_rtype_to_howto, /* _bfd_coff_rtype_to_howto */
+ NULL , /* _bfd_coff_addust_symndx */
+ _bfd_generic_link_add_one_symbol, /* _bfd_coff_add_one_symbol */
+ coff_link_output_has_begun, /* _bfd_coff_link_output_has_begun */
+ coff_final_link_postscript /* _bfd_coff_final_link_postscript */
+ },
+
+ U64_TOCMAGIC, /* magic number */
+ bfd_arch_powerpc, /* architecture */
+ bfd_mach_ppc_620, /* machine */
+
+ /* Function pointers to xcoff specific swap routines. */
+ xcoff64_swap_ldhdr_in, /* _xcoff_swap_ldhdr_in */
+ xcoff64_swap_ldhdr_out, /* _xcoff_swap_ldhdr_out */
+ xcoff64_swap_ldsym_in, /* _xcoff_swap_ldsym_in */
+ xcoff64_swap_ldsym_out, /* _xcoff_swap_ldsym_out */
+ xcoff64_swap_ldrel_in, /* _xcoff_swap_ldrel_in */
+ xcoff64_swap_ldrel_out, /* _xcoff_swap_ldrel_out */
+
+ /* Sizes. */
+ LDHDRSZ, /* _xcoff_ldhdrsz */
+ LDSYMSZ, /* _xcoff_ldsymsz */
+ LDRELSZ, /* _xcoff_ldrelsz */
+ 24, /* _xcoff_function_descriptor_size */
+ 0, /* _xcoff_small_aout_header_size */
+ /* Versions. */
+ 2, /* _xcoff_ldhdr_version */
+
+ _bfd_xcoff64_put_symbol_name, /* _xcoff_put_symbol_name */
+ _bfd_xcoff64_put_ldsymbol_name, /* _xcoff_put_ldsymbol_name */
+
+ /* Dynamic reloc howto. */
+ &xcoff64_dynamic_reloc,
+ xcoff64_create_csect_from_smclas,
+
+ /* Lineno and reloc count overflow. */
+ xcoff64_is_lineno_count_overflow,
+ xcoff64_is_reloc_count_overflow,
+
+ xcoff64_loader_symbol_offset,
+ xcoff64_loader_reloc_offset,
+
+ /* glink. */
+ &xcoff64_glink_code[0],
+ 40, /* _xcoff_glink_size */
+
+ /* rtinit. */
+ 88, /* _xcoff_rtinit_size */
+ xcoff64_generate_rtinit, /* _xcoff_generate_rtinit */
+};
+
+/* The transfer vector that leads the outside world to all of the above. */
+const bfd_target aix5coff64_vec =
+{
+ "aix5coff64-rs6000",
+ bfd_target_xcoff_flavour,
+ BFD_ENDIAN_BIG, /* data byte order is big */
+ BFD_ENDIAN_BIG, /* header byte order is big */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG | DYNAMIC |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading char */
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen??? FIXMEmgo */
+
+ /* data */
+ bfd_getb64, /* bfd_getx64 */
+ bfd_getb_signed_64, /* bfd_getx_signed_64 */
+ bfd_putb64, /* bfd_putx64 */
+ bfd_getb32, /* bfd_getx32 */
+ bfd_getb_signed_32, /* bfd_getx_signed_32 */
+ bfd_putb32, /* bfd_putx32 */
+ bfd_getb16, /* bfd_getx16 */
+ bfd_getb_signed_16, /* bfd_getx_signed_16 */
+ bfd_putb16, /* bfd_putx16 */
+
+ /* hdrs */
+ bfd_getb64, /* bfd_h_getx64 */
+ bfd_getb_signed_64, /* bfd_h_getx_signed_64 */
+ bfd_putb64, /* bfd_h_putx64 */
+ bfd_getb32, /* bfd_h_getx32 */
+ bfd_getb_signed_32, /* bfd_h_getx_signed_32 */
+ bfd_putb32, /* bfd_h_putx32 */
+ bfd_getb16, /* bfd_h_getx16 */
+ bfd_getb_signed_16, /* bfd_h_getx_signed_16 */
+ bfd_putb16, /* bfd_h_putx16 */
+
+ { /* bfd_check_format */
+ _bfd_dummy_target,
+ coff_object_p,
+ xcoff64_archive_p,
+ xcoff64_core_p
+ },
+
+ { /* bfd_set_format */
+ bfd_false,
+ coff_mkobject,
+ _bfd_generic_mkarchive,
+ bfd_false
+ },
+
+ {/* bfd_write_contents */
+ bfd_false,
+ xcoff64_write_object_contents,
+ _bfd_xcoff_write_archive_contents,
+ bfd_false
+ },
+
+ /* Generic */
+ bfd_true, /* _close_and_cleanup */
+ bfd_true, /* _bfd_free_cached_info */
+ coff_new_section_hook, /* _new_section_hook */
+ _bfd_generic_get_section_contents, /* _bfd_get_section_contents */
+ /* _bfd_get_section_contents_in_window */
+ _bfd_generic_get_section_contents_in_window,
+
+ /* Copy */
+ _bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */
+ /* _bfd_merge_private_bfd_data */
+ ((boolean (*) (bfd *, bfd *)) bfd_true),
+ /* _bfd_copy_pivate_section_data */
+ ((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true),
+ /* _bfd_copy_private_symbol_data */
+ ((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true),
+ ((boolean (*) (bfd *, flagword)) bfd_true), /* _bfd_set_private_flags */
+ ((boolean (*) (bfd *, void * )) bfd_true), /* _bfd_print_private_bfd_data */
+
+ /* Core */
+ xcoff64_core_file_failing_command, /* _core_file_failing_command */
+ xcoff64_core_file_failing_signal, /* _core_file_failing_signal */
+ xcoff64_core_file_matches_executable_p, /* _core_file_matches_executable_p */
+
+ /* Archive */
+ xcoff64_slurp_armap, /* _slurp_armap */
+ /* XCOFF archives do not have anything which corresponds to an
+ extended name table. */
+ bfd_false, /* _slurp_extended_name_table */
+ /* _construct_extended_name_table */
+ ((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false),
+ bfd_dont_truncate_arname, /* _truncate_arname */
+ _bfd_xcoff_write_armap, /* _write_armap */
+ _bfd_xcoff_read_ar_hdr, /* _read_ar_hdr */
+ xcoff64_openr_next_archived_file, /* _openr_next_archived_file */
+ _bfd_generic_get_elt_at_index, /* _get_elt_at_index */
+ _bfd_xcoff_stat_arch_elt, /* _generic_stat_arch_elt */
+ /* XCOFF archives do not have a timestamp. */
+ bfd_true, /* _update_armap_timestamp */
+
+ /* Symbols */
+ coff_get_symtab_upper_bound, /* _get_symtab_upper_bound */
+ coff_get_symtab, /* _get_symtab */
+ coff_make_empty_symbol, /* _make_empty_symbol */
+ coff_print_symbol, /* _print_symbol */
+ coff_get_symbol_info, /* _get_symbol_info */
+ _bfd_xcoff_is_local_label_name, /* _bfd_is_local_label_name */
+ coff_get_lineno, /* _get_lineno */
+ coff_find_nearest_line, /* _find_nearest_line */
+ coff_bfd_make_debug_symbol, /* _bfd_make_debug_symbol */
+ _bfd_generic_read_minisymbols, /* _read_minisymbols */
+ _bfd_generic_minisymbol_to_symbol, /* _minsymbol_to_symbol */
+
+ /* Reloc */
+ coff_get_reloc_upper_bound, /* _get_reloc_upper_bound */
+ coff_canonicalize_reloc, /* _cononicalize_reloc */
+ xcoff64_reloc_type_lookup, /* _bfd_reloc_type_lookup */
+
+ /* Write */
+ coff_set_arch_mach, /* _set_arch_mach */
+ coff_set_section_contents, /* _set_section_contents */
+
+ /* Link */
+ xcoff64_sizeof_headers, /* _sizeof_headers */
+ /* _bfd_get_relocated_section_contents */
+ bfd_generic_get_relocated_section_contents,
+ bfd_generic_relax_section, /* _bfd_relax_section */
+ _bfd_xcoff_bfd_link_hash_table_create,/* _bfd_link_hash_table_create */
+ _bfd_generic_link_hash_table_free, /* _bfd_link_hash_table_free */
+ _bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */
+ _bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */
+ _bfd_generic_link_split_section, /* _bfd_link_split_section */
+ bfd_generic_gc_sections, /* _bfd_gc_sections */
+ bfd_generic_merge_sections, /* _bfd_merge_sections */
+
+ /* Dynamic */
+ /* _get_dynamic_symtab_upper_bound */
+ _bfd_xcoff_get_dynamic_symtab_upper_bound,
+ _bfd_xcoff_canonicalize_dynamic_symtab, /* _cononicalize_dynamic_symtab */
+ _bfd_xcoff_get_dynamic_reloc_upper_bound,/* _get_dynamic_reloc_upper_bound */
+ _bfd_xcoff_canonicalize_dynamic_reloc, /* _cononicalize_dynamic_reloc */
+
+ /* Opposite endian version, none exists. */
+ NULL,
+
+ /* back end data */
+ (void *) & bfd_xcoff_aix5_backend_data,
+};
projects / deliverable / binutils-gdb.git / blobdiff