diff options
Diffstat (limited to 'contrib/binutils/bfd/coff64-rs6000.c')
| -rw-r--r-- | contrib/binutils/bfd/coff64-rs6000.c | 1736 |
1 files changed, 1033 insertions, 703 deletions
diff --git a/contrib/binutils/bfd/coff64-rs6000.c b/contrib/binutils/bfd/coff64-rs6000.c index 1e9714f..9372f6b 100644 --- a/contrib/binutils/bfd/coff64-rs6000.c +++ b/contrib/binutils/bfd/coff64-rs6000.c @@ -1,24 +1,24 @@ /* 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" @@ -84,6 +84,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 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 *)); @@ -93,6 +96,8 @@ static void _bfd_xcoff64_swap_aux_in 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 *)); @@ -129,8 +134,8 @@ static void xcoff64_swap_ldrel_out 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 *)); @@ -143,11 +148,47 @@ static bfd_vma xcoff64_loader_symbol_offset 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 *)); +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]) + PARAMS ((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 @@ -171,8 +212,9 @@ static boolean xcoff64_generate_rtinit #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 @@ -195,7 +237,9 @@ extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd)); #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" @@ -289,7 +333,7 @@ _bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1) 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); @@ -380,7 +424,7 @@ _bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp) switch (class) { case C_FILE: - if (ext->x_file.x_n.x_zeroes == 0) + if (in->x_file.x_n.x_zeroes == 0) { H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes); H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset); @@ -453,9 +497,12 @@ _bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp) } 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; @@ -482,7 +529,6 @@ _bfd_xcoff64_put_ldsymbol_name (abfd, ldinfo, ldsym, name) struct internal_ldsym *ldsym; const char *name; { - size_t len; len = strlen (name); @@ -608,6 +654,40 @@ xcoff64_swap_ldsym_out (abfd, src, d) 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 @@ -662,13 +742,13 @@ xcoff64_write_object_contents (abfd) bfd_set_error (bfd_error_system_call); - if (abfd->output_has_begun == false) + if (! abfd->output_has_begun) { if (! bfd_coff_compute_section_file_positions (abfd)) 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) @@ -677,12 +757,12 @@ xcoff64_write_object_contents (abfd) 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) @@ -792,7 +872,7 @@ xcoff64_write_object_contents (abfd) 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 @@ -805,19 +885,17 @@ xcoff64_write_object_contents (abfd) 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_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC : - (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC : - RS6K_AOUTHDR_OMAGIC; + 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; @@ -990,11 +1068,88 @@ xcoff64_write_object_contents (abfd) 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) @@ -1020,7 +1175,10 @@ xcoff64_ppc_relocate_section (output_bfd, info, input_bfd, 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 @@ -1028,65 +1186,38 @@ xcoff64_ppc_relocate_section (output_bfd, info, input_bfd, 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 @@ -1099,270 +1230,116 @@ xcoff64_ppc_relocate_section (output_bfd, info, input_bfd, + 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) - { - 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) + } + else { - /* 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 + || ((*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 (((*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; } - /* The XCOFF reloc table. Actually, XCOFF relocations specify the bitsize and whether they are signed or not, along with a @@ -1370,11 +1347,10 @@ xcoff64_ppc_relocate_section (output_bfd, info, input_bfd, 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 */ @@ -1382,14 +1358,14 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1404,7 +1380,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1419,7 +1395,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1433,8 +1409,8 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1449,9 +1425,9 @@ reloc_howto_type xcoff64_howto_table[] = false), /* pcrel_offset */ /* External TOC relative symbol. */ - HOWTO (5, /* type */ + HOWTO (R_GL, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1464,9 +1440,9 @@ reloc_howto_type xcoff64_howto_table[] = false), /* pcrel_offset */ /* Local TOC relative symbol. */ - HOWTO (6, /* type */ + HOWTO (R_TCL, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1481,7 +1457,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1489,7 +1465,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1498,7 +1474,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1515,9 +1491,9 @@ reloc_howto_type xcoff64_howto_table[] = EMPTY_HOWTO (0xb), /* Indirect load. */ - HOWTO (0xc, /* type */ + HOWTO (R_RL, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1530,9 +1506,9 @@ reloc_howto_type xcoff64_howto_table[] = false), /* pcrel_offset */ /* Load address. */ - HOWTO (0xd, /* type */ + HOWTO (R_RLA, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1546,14 +1522,14 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ false, /* pc_relative */ 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ + complain_overflow_dont, /* complain_on_overflow */ 0, /* special_function */ "R_REF", /* name */ false, /* partial_inplace */ @@ -1565,9 +1541,9 @@ reloc_howto_type xcoff64_howto_table[] = EMPTY_HOWTO (0x11), /* TOC relative indirect load. */ - HOWTO (0x12, /* type */ + HOWTO (R_TRL, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1580,9 +1556,9 @@ reloc_howto_type xcoff64_howto_table[] = false), /* pcrel_offset */ /* TOC relative load address. */ - HOWTO (0x13, /* type */ + HOWTO (R_TRLA, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1595,7 +1571,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1610,7 +1586,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1625,9 +1601,9 @@ reloc_howto_type xcoff64_howto_table[] = false), /* pcrel_offset */ /* Modifiable call absolute indirect. */ - HOWTO (0x16, /* type */ + HOWTO (R_CAI, /* type */ 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1639,10 +1615,10 @@ reloc_howto_type xcoff64_howto_table[] = 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) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1655,7 +1631,7 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ @@ -1665,12 +1641,12 @@ reloc_howto_type xcoff64_howto_table[] = 0, /* special_function */ "R_RBA", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0x03fffffc, /* src_mask */ + 0x03fffffc, /* dst_mask */ 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 */ @@ -1680,12 +1656,12 @@ reloc_howto_type xcoff64_howto_table[] = 0, /* special_function */ "R_RBAC", /* name */ true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ 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 */ @@ -1693,16 +1669,16 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ + 0x03fffffc, /* src_mask */ + 0x03fffffc, /* 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) */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ false, /* pc_relative */ 0, /* bitpos */ @@ -1714,19 +1690,65 @@ reloc_howto_type xcoff64_howto_table[] = 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 */ + + /* Modifiable branch absolute. */ + HOWTO (R_RBA, /* 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_RBA_16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + }; void @@ -1734,15 +1756,29 @@ xcoff64_rtype2howto (relent, internal) 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]; + else if (R_RBA == internal->r_type) + relent->howto = &xcoff64_howto_table[0x1f]; + } + /* 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 @@ -1752,12 +1788,6 @@ xcoff64_rtype2howto (relent, internal) && (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 } reloc_howto_type * @@ -1769,22 +1799,22 @@ xcoff64_reloc_type_lookup (abfd, code) { 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 @@ -1809,7 +1839,8 @@ xcoff64_slurp_armap (abfd) return true; } - off = strtol (xcoff_ardata_big (abfd)->symoff64, (char **) NULL, 10); + off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64, + (const char **) NULL, 10); if (off == 0) { bfd_has_map (abfd) = false; @@ -1830,10 +1861,7 @@ xcoff64_slurp_armap (abfd) if (bfd_seek (abfd, pos, SEEK_CUR) != 0) return false; - /* XXX This actually has to be a call to strtoll (at least on 32-bit - machines) since the field width is 20 and there numbers with more - than 32 bits can be represented. */ - sz = strtol (hdr.size, (char **) NULL, 10); + sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10); /* Read in the entire symbol table. */ contents = (bfd_byte *) bfd_alloc (abfd, sz); @@ -1889,6 +1917,7 @@ static const bfd_target * xcoff64_archive_p (abfd) bfd *abfd; { + struct artdata *tdata_hold; char magic[SXCOFFARMAG]; /* This is the new format. */ struct xcoff_ar_file_hdr_big hdr; @@ -1907,50 +1936,46 @@ xcoff64_archive_p (abfd) return NULL; } - /* We are setting bfd_ardata(abfd) here, but since bfd_ardata - involves a cast, we can't do it as the left operand of - assignment. */ - amt = sizeof (struct artdata); - abfd->tdata.aout_ar_data = (struct artdata *) bfd_zalloc (abfd, amt); - - if (bfd_ardata (abfd) == (struct artdata *) NULL) - return NULL; - - bfd_ardata (abfd)->cache = NULL; - bfd_ardata (abfd)->archive_head = NULL; - bfd_ardata (abfd)->symdefs = NULL; - bfd_ardata (abfd)->extended_names = NULL; - /* Copy over the magic string. */ memcpy (hdr.magic, magic, SXCOFFARMAG); /* Now read the rest of the file header. */ - if (bfd_bread ((PTR) &hdr.memoff, - (bfd_size_type) (SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG), - abfd) != SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG) + amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG; + if (bfd_bread ((PTR) &hdr.memoff, amt, abfd) != amt) { if (bfd_get_error () != bfd_error_system_call) bfd_set_error (bfd_error_wrong_format); return NULL; } - /* XXX This actually has to be a call to strtoll (at least on 32-bit - machines) since the field width is 20 and there numbers with more - than 32 bits can be represented. */ - bfd_ardata (abfd)->first_file_filepos = strtol (hdr.firstmemoff, - (char **) NULL, 10); + tdata_hold = bfd_ardata (abfd); + + amt = sizeof (struct artdata); + bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt); + if (bfd_ardata (abfd) == (struct artdata *) NULL) + goto error_ret_restore; + + bfd_ardata (abfd)->cache = NULL; + bfd_ardata (abfd)->archive_head = NULL; + bfd_ardata (abfd)->symdefs = NULL; + bfd_ardata (abfd)->extended_names = NULL; + bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff, + (const char **) NULL, + 10); amt = SIZEOF_AR_FILE_HDR_BIG; bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt); if (bfd_ardata (abfd)->tdata == NULL) - return NULL; + goto error_ret; memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG); if (! xcoff64_slurp_armap (abfd)) { + error_ret: bfd_release (abfd, bfd_ardata (abfd)); - abfd->tdata.aout_ar_data = (struct artdata *) NULL; + error_ret_restore: + bfd_ardata (abfd) = tdata_hold; return NULL; } @@ -1980,20 +2005,15 @@ xcoff64_openr_next_archived_file (archive, last_file) } else { - /* XXX These actually have to be a calls to strtoll (at least - on 32-bit machines) since the fields's width is 20 and - there numbers with more than 32 bits can be represented. */ - filestart = strtol (arch_xhdr_big (last_file)->nextoff, (char **) NULL, - 10); + filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff, + (const char **) NULL, 10); } - /* XXX These actually have to be calls to strtoll (at least on 32-bit - machines) since the fields's width is 20 and there numbers with more - than 32 bits can be represented. */ + if (filestart == 0 - || filestart == strtol (xcoff_ardata_big (archive)->memoff, - (char **) NULL, 10) - || filestart == strtol (xcoff_ardata_big (archive)->symoff, - (char **) NULL, 10)) + || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff, + (const char **) NULL, 10) + || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff, + (const char **) NULL, 10)) { bfd_set_error (bfd_error_no_more_archived_files); return NULL; @@ -2097,16 +2117,34 @@ xcoff64_loader_reloc_offset (abfd, ldhdr) return (ldhdr->l_rldoff); } -static boolean -xcoff64_generate_rtinit (abfd, init, fini) +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]; - bfd_byte syment_ext[SYMESZ * 8]; - bfd_byte reloc_ext[RELSZ * 2]; + 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; @@ -2114,52 +2152,84 @@ xcoff64_generate_rtinit (abfd, init, fini) bfd_vma val; size_t initsz, finisz; struct internal_filehdr filehdr; - struct internal_scnhdr scnhdr; + 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"; - - if (! bfd_xcoff_rtinit_size (abfd) - || (init == NULL && fini == NULL)) + 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 */ + /* 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 = 1; + 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 header */ - memset (scnhdr_ext, 0, SCNHSZ); - memset (&scnhdr, 0, sizeof (struct internal_scnhdr)); - memcpy (scnhdr.s_name, data_name, strlen (data_name)); - scnhdr.s_paddr = 0; - scnhdr.s_vaddr = 0; - scnhdr.s_size = 0; /* set below */ - scnhdr.s_scnptr = FILHSZ + SCNHSZ; - scnhdr.s_relptr = 0; /* set below */ - scnhdr.s_lnnoptr = 0; - scnhdr.s_nreloc = 0; /* either 1 or 2 */ - scnhdr.s_nlnno = 0; - scnhdr.s_flags = STYP_DATA; - - /* .data + /* 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 + 0x0010 0x00000010 : size of descriptor 0x0014 0x00000000 : pad 0x0018 0x00000000 : init, needs a reloc 0x001C 0x00000000 : @@ -2167,29 +2237,27 @@ xcoff64_generate_rtinit (abfd, init, fini) 0x0024 0x00000000 : flags, padded to a word 0x0028 0x00000000 : empty init 0x002C 0x00000000 : - 0x0030 0x00000000 : - 0x0034 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 : + 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); + data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size); if (data_buffer == NULL) return false; - - memset (data_buffer, 0, data_buffer_size); - if (initsz) + if (initsz) { val = 0x18; bfd_put_32 (abfd, val, &data_buffer[0x08]); @@ -2198,7 +2266,7 @@ xcoff64_generate_rtinit (abfd, init, fini) memcpy (&data_buffer[val], init, initsz); } - if (finisz) + if (finisz) { val = 0x38; bfd_put_32 (abfd, val, &data_buffer[0x0C]); @@ -2209,28 +2277,34 @@ xcoff64_generate_rtinit (abfd, init, fini) val = 0x10; bfd_put_32 (abfd, val, &data_buffer[0x10]); - scnhdr.s_size = data_buffer_size; + data_scnhdr.s_size = data_buffer_size; + bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size; - /* string table */ + /* 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 (rtld) + string_table_size += strlen (rtld_name) + 1; + + string_table = (bfd_byte *) bfd_zmalloc (string_table_size); + if (string_table == NULL) + return false; - 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 + + /* symbols 0. .data csect 2. __rtinit - 4. init function - 6. fini function */ - memset (syment_ext, 0, 8 * SYMESZ); - memset (reloc_ext, 0, 2 * RELSZ); + 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)); @@ -2240,16 +2314,16 @@ xcoff64_generate_rtinit (abfd, init, fini) memcpy (st_tmp, data_name, strlen (data_name)); st_tmp += strlen (data_name) + 1; - syment.n_scnum = 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, + 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, + 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; @@ -2259,21 +2333,21 @@ xcoff64_generate_rtinit (abfd, init, fini) 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 = 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, + 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, + 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) + /* Init. */ + if (initsz) { memset (&syment, 0, sizeof (struct internal_syment)); memset (&auxent, 0, sizeof (union internal_auxent)); @@ -2284,12 +2358,12 @@ xcoff64_generate_rtinit (abfd, init, fini) syment.n_sclass = C_EXT; syment.n_numaux = 1; - bfd_coff_swap_sym_out (abfd, &syment, + 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, + 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 */ + /* Reloc. */ memset (&reloc, 0, sizeof (struct internal_reloc)); reloc.r_vaddr = 0x0018; reloc.r_symndx = filehdr.f_nsyms; @@ -2298,11 +2372,11 @@ xcoff64_generate_rtinit (abfd, init, fini) bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]); filehdr.f_nsyms += 2; - scnhdr.s_nreloc += 1; + data_scnhdr.s_nreloc += 1; } - /* finit */ - if (finisz) + /* Finit. */ + if (finisz) { memset (&syment, 0, sizeof (struct internal_syment)); memset (&auxent, 0, sizeof (union internal_auxent)); @@ -2313,34 +2387,68 @@ xcoff64_generate_rtinit (abfd, init, fini) syment.n_sclass = C_EXT; syment.n_numaux = 1; - bfd_coff_swap_sym_out (abfd, &syment, + 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, + 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 */ + /* 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[scnhdr.s_nreloc * RELSZ]); + 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; - scnhdr.s_nreloc += 1; + data_scnhdr.s_nreloc += 1; + + bss_scnhdr.s_size = 0; } - scnhdr.s_relptr = scnhdr.s_scnptr + data_buffer_size; - filehdr.f_symptr = scnhdr.s_relptr + scnhdr.s_nreloc * RELSZ; + 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, &scnhdr, scnhdr_ext); - bfd_bwrite (scnhdr_ext, SCNHSZ, 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, scnhdr.s_nreloc * RELSZ, 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); @@ -2369,119 +2477,114 @@ HOWTO (0, /* type */ 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 */ - /* _bfd_coff_compute_section_file_positions */ + { /* COFF backend, defined in libcoff.h. */ + _bfd_xcoff64_swap_aux_in, + _bfd_xcoff64_swap_sym_in, + _bfd_xcoff64_swap_lineno_in, + _bfd_xcoff64_swap_aux_out, + _bfd_xcoff64_swap_sym_out, + _bfd_xcoff64_swap_lineno_out, + xcoff64_swap_reloc_out, + coff_swap_filehdr_out, + coff_swap_aouthdr_out, + coff_swap_scnhdr_out, + FILHSZ, + AOUTSZ, + SCNHSZ, + SYMESZ, + AUXESZ, + RELSZ, + LINESZ, + 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, + coff_swap_aouthdr_in, + coff_swap_scnhdr_in, + xcoff64_swap_reloc_in, + xcoff64_bad_format_hook, + coff_set_arch_mach_hook, + coff_mkobject_hook, + styp_to_sec_flags, + coff_set_alignment_hook, + coff_slurp_symbol_table, + symname_in_debug_hook, + coff_pointerize_aux_hook, + coff_print_aux, + dummy_reloc16_extra_cases, + dummy_reloc16_estimate, + NULL, /* bfd_coff_sym_is_global */ 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, + coff_rtype_to_howto, + NULL, /* _bfd_coff_adjust_symndx */ + _bfd_generic_link_add_one_symbol, + coff_link_output_has_begun, + 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, + bfd_mach_ppc_620, + + /* Function pointers to xcoff specific swap routines. */ + xcoff64_swap_ldhdr_in, + xcoff64_swap_ldhdr_out, + xcoff64_swap_ldsym_in, + xcoff64_swap_ldsym_out, + xcoff64_swap_ldrel_in, + xcoff64_swap_ldrel_out, + + /* Sizes. */ + LDHDRSZ, + LDSYMSZ, + LDRELSZ, + 24, /* _xcoff_function_descriptor_size */ + 0, /* _xcoff_small_aout_header_size */ + + /* Versions. */ + 2, /* _xcoff_ldhdr_version */ + + _bfd_xcoff64_put_symbol_name, + _bfd_xcoff64_put_ldsymbol_name, &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 */ - - /* rtinit */ - 88, /* _xcoff_rtinit_size */ - xcoff64_generate_rtinit, /* _xcoff_generate_rtinit */ + 40, /* _xcoff_glink_size */ + /* rtinit. */ + 88, /* _xcoff_rtinit_size */ + xcoff64_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", @@ -2489,36 +2592,35 @@ const bfd_target rs6000coff64_vec = 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), + (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC + | HAS_SYMS | HAS_LOCALS | WP_TEXT), - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), 0, /* leading char */ '/', /* ar_pad_char */ - 15, /* ar_max_namelen??? FIXMEmgo */ + 15, /* ar_max_namelen */ /* 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_getb_signed_64, + bfd_putb64, + bfd_getb32, + bfd_getb_signed_32, + bfd_putb32, + bfd_getb16, + bfd_getb_signed_16, + bfd_putb16, /* 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_getb_signed_64, + bfd_putb64, + bfd_getb32, + bfd_getb_signed_32, + bfd_putb32, + bfd_getb16, + bfd_getb_signed_16, + bfd_putb16, { /* bfd_check_format */ _bfd_dummy_target, @@ -2542,92 +2644,320 @@ const bfd_target rs6000coff64_vec = }, /* 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_true, + bfd_true, + coff_new_section_hook, + _bfd_generic_get_section_contents, _bfd_generic_get_section_contents_in_window, /* Copy */ - _bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */ - /* _bfd_merge_private_bfd_data */ + _bfd_xcoff_copy_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 */ + ((boolean (*) (bfd *, flagword)) bfd_true), + ((boolean (*) (bfd *, void * )) bfd_true), /* 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, + coff_core_file_failing_signal, + coff_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 */ + xcoff64_slurp_armap, + bfd_false, ((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 */ + bfd_dont_truncate_arname, + _bfd_xcoff_write_armap, + _bfd_xcoff_read_ar_hdr, + xcoff64_openr_next_archived_file, + _bfd_generic_get_elt_at_index, + _bfd_xcoff_stat_arch_elt, + bfd_true, /* 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, + coff_get_symtab, + coff_make_empty_symbol, + coff_print_symbol, + coff_get_symbol_info, + _bfd_xcoff_is_local_label_name, + coff_get_lineno, + coff_find_nearest_line, + coff_bfd_make_debug_symbol, + _bfd_generic_read_minisymbols, + _bfd_generic_minisymbol_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, + coff_canonicalize_reloc, + xcoff64_reloc_type_lookup, /* Write */ - coff_set_arch_mach, /* _set_arch_mach */ - coff_set_section_contents, /* _set_section_contents */ + coff_set_arch_mach, + coff_set_section_contents, /* Link */ - xcoff64_sizeof_headers, /* _sizeof_headers */ - /* _bfd_get_relocated_section_contents */ + xcoff64_sizeof_headers, 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_xcoff_bfd_link_hash_table_create, + _bfd_generic_link_hash_table_free, + _bfd_xcoff_bfd_link_add_symbols, + _bfd_generic_link_just_syms, + _bfd_xcoff_bfd_final_link, + _bfd_generic_link_split_section, + bfd_generic_gc_sections, + bfd_generic_merge_sections, + bfd_generic_discard_group, /* 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 */ + _bfd_xcoff_canonicalize_dynamic_symtab, + _bfd_xcoff_get_dynamic_reloc_upper_bound, + _bfd_xcoff_canonicalize_dynamic_reloc, /* Opposite endian version, none exists */ NULL, - /* 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_xcoff64_swap_sym_in, + _bfd_xcoff64_swap_lineno_in, + _bfd_xcoff64_swap_aux_out, + _bfd_xcoff64_swap_sym_out, + _bfd_xcoff64_swap_lineno_out, + xcoff64_swap_reloc_out, + coff_swap_filehdr_out, + coff_swap_aouthdr_out, + coff_swap_scnhdr_out, + FILHSZ, + AOUTSZ, + SCNHSZ, + SYMESZ, + AUXESZ, + RELSZ, + LINESZ, + 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, + coff_swap_aouthdr_in, + coff_swap_scnhdr_in, + xcoff64_swap_reloc_in, + xcoff64_bad_format_hook, + coff_set_arch_mach_hook, + coff_mkobject_hook, + styp_to_sec_flags, + coff_set_alignment_hook, + coff_slurp_symbol_table, + symname_in_debug_hook, + coff_pointerize_aux_hook, + coff_print_aux, + dummy_reloc16_extra_cases, + dummy_reloc16_estimate, + NULL, /* bfd_coff_sym_is_global */ + coff_compute_section_file_positions, + NULL , /* _bfd_coff_start_final_link */ + xcoff64_ppc_relocate_section, + coff_rtype_to_howto, + NULL, /* _bfd_coff_adjust_symndx */ + _bfd_generic_link_add_one_symbol, + coff_link_output_has_begun, + coff_final_link_postscript + }, + + U64_TOCMAGIC, /* magic number */ + bfd_arch_powerpc, + bfd_mach_ppc_620, + + /* Function pointers to xcoff specific swap routines. */ + xcoff64_swap_ldhdr_in, + xcoff64_swap_ldhdr_out, + xcoff64_swap_ldsym_in, + xcoff64_swap_ldsym_out, + xcoff64_swap_ldrel_in, + xcoff64_swap_ldrel_out, + + /* Sizes. */ + LDHDRSZ, + LDSYMSZ, + LDRELSZ, + 24, /* _xcoff_function_descriptor_size */ + 0, /* _xcoff_small_aout_header_size */ + /* Versions. */ + 2, /* _xcoff_ldhdr_version */ + + _bfd_xcoff64_put_symbol_name, + _bfd_xcoff64_put_ldsymbol_name, + &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, +}; + +/* 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 | HAS_LINENO | HAS_DEBUG | DYNAMIC + | HAS_SYMS | HAS_LOCALS | WP_TEXT), + + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), + 0, /* leading char */ + '/', /* ar_pad_char */ + 15, /* ar_max_namelen */ + + /* data */ + bfd_getb64, + bfd_getb_signed_64, + bfd_putb64, + bfd_getb32, + bfd_getb_signed_32, + bfd_putb32, + bfd_getb16, + bfd_getb_signed_16, + bfd_putb16, + + /* hdrs */ + bfd_getb64, + bfd_getb_signed_64, + bfd_putb64, + bfd_getb32, + bfd_getb_signed_32, + bfd_putb32, + bfd_getb16, + bfd_getb_signed_16, + bfd_putb16, + + { /* 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, + bfd_true, + coff_new_section_hook, + _bfd_generic_get_section_contents, + _bfd_generic_get_section_contents_in_window, + + /* Copy */ + _bfd_xcoff_copy_private_bfd_data, + ((boolean (*) (bfd *, bfd *)) bfd_true), + ((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), + ((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), + ((boolean (*) (bfd *, flagword)) bfd_true), + ((boolean (*) (bfd *, void * )) bfd_true), + + /* Core */ + xcoff64_core_file_failing_command, + xcoff64_core_file_failing_signal, + xcoff64_core_file_matches_executable_p, + + /* Archive */ + xcoff64_slurp_armap, + bfd_false, + ((boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), + bfd_dont_truncate_arname, + _bfd_xcoff_write_armap, + _bfd_xcoff_read_ar_hdr, + xcoff64_openr_next_archived_file, + _bfd_generic_get_elt_at_index, + _bfd_xcoff_stat_arch_elt, + bfd_true, + + /* Symbols */ + coff_get_symtab_upper_bound, + coff_get_symtab, + coff_make_empty_symbol, + coff_print_symbol, + coff_get_symbol_info, + _bfd_xcoff_is_local_label_name, + coff_get_lineno, + coff_find_nearest_line, + coff_bfd_make_debug_symbol, + _bfd_generic_read_minisymbols, + _bfd_generic_minisymbol_to_symbol, + + /* Reloc */ + coff_get_reloc_upper_bound, + coff_canonicalize_reloc, + xcoff64_reloc_type_lookup, + + /* Write */ + coff_set_arch_mach, + coff_set_section_contents, + + /* Link */ + xcoff64_sizeof_headers, + bfd_generic_get_relocated_section_contents, + bfd_generic_relax_section, + _bfd_xcoff_bfd_link_hash_table_create, + _bfd_generic_link_hash_table_free, + _bfd_xcoff_bfd_link_add_symbols, + _bfd_generic_link_just_syms, + _bfd_xcoff_bfd_final_link, + _bfd_generic_link_split_section, + bfd_generic_gc_sections, + bfd_generic_merge_sections, + bfd_generic_discard_group, + + /* Dynamic */ + _bfd_xcoff_get_dynamic_symtab_upper_bound, + _bfd_xcoff_canonicalize_dynamic_symtab, + _bfd_xcoff_get_dynamic_reloc_upper_bound, + _bfd_xcoff_canonicalize_dynamic_reloc, + + /* Opposite endian version, none exists. */ + NULL, + + (void *) & bfd_xcoff_aix5_backend_data, +}; |
