* aoutx.h (NAME(aout,find_nearest_line)): The caller expects
functionname_ptr to be set to a symbol name, so prepend symbol_leading_char.
This commit is contained in:
Ian Lance Taylor
parent
fdafbfad9e
commit
ec099b4b25
2 changed files with 271 additions and 2 deletions
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@ -1,3 +1,9 @@
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Fri Mar 25 17:10:45 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
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* aoutx.h (NAME(aout,find_nearest_line)): The caller expects
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functionname_ptr to be set to a symbol name, so prepend
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symbol_leading_char.
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Thu Mar 24 11:33:46 1994 Steve Chamberlain (sac@jonny.cygnus.com)
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* coff-h8300.c (h8300_reloc16_extra_cases): Add relaxing info
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267
bfd/aoutx.h
267
bfd/aoutx.h
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@ -220,6 +220,9 @@ NAME(aout,reloc_type_lookup) (abfd,code)
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case 32:
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code = BFD_RELOC_32;
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break;
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case 64:
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code = BFD_RELOC_64;
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break;
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}
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if (ext)
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switch (code)
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@ -229,6 +232,8 @@ NAME(aout,reloc_type_lookup) (abfd,code)
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EXT (BFD_RELOC_LO10, 11);
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EXT (BFD_RELOC_32_PCREL_S2, 6);
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EXT (BFD_RELOC_SPARC_WDISP22, 7);
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EXT (BFD_RELOC_SPARC13, 10);
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EXT (BFD_RELOC_SPARC_BASE13, 15);
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default: return (CONST struct reloc_howto_struct *) 0;
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}
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else
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@ -2737,7 +2742,18 @@ NAME(aout,find_nearest_line)
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if (*line_ptr && func) {
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CONST char *function = func->name;
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char *p;
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strncpy(buffer, function, sizeof(buffer)-1);
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/* The caller expects a symbol name. We actually a
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function name, without the leading underscore. Put the
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underscore back in, so that the caller gets a symbol
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name. */
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if (bfd_get_symbol_leading_char (abfd) == '\0')
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strncpy (buffer, function, sizeof (buffer) - 1);
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else
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{
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buffer[0] = bfd_get_symbol_leading_char (abfd);
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strncpy (buffer + 1, function, sizeof (buffer) - 2);
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}
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buffer[sizeof(buffer)-1] = 0;
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/* Have to remove : stuff */
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p = strchr(buffer,':');
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@ -3317,7 +3333,7 @@ aout_link_add_symbols (abfd, info)
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if (! (_bfd_generic_link_add_one_symbol
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(info, abfd, name, flags, section, value, string, copy, false,
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ARCH_SIZE, (struct bfd_link_hash_entry **) sym_hash)))
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(struct bfd_link_hash_entry **) sym_hash)))
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return false;
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if (type == (N_INDR | N_EXT) || type == N_WARNING)
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@ -3364,6 +3380,9 @@ static boolean aout_link_input_section_ext
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bfd_size_type rel_size, bfd_byte *contents, int *symbol_map));
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static INLINE asection *aout_reloc_index_to_section
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PARAMS ((bfd *, int));
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static boolean aout_link_reloc_link_order
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PARAMS ((struct aout_final_link_info *, asection *,
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struct bfd_link_order *));
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/* Do the final link step. This is called on the output BFD. The
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INFO structure should point to a list of BFDs linked through the
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@ -3384,6 +3403,7 @@ NAME(aout,final_link) (abfd, info, callback)
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file_ptr text_end;
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register struct bfd_link_order *p;
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asection *o;
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boolean have_link_order_relocs;
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aout_info.info = info;
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aout_info.output_bfd = abfd;
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@ -3416,7 +3436,13 @@ NAME(aout,final_link) (abfd, info, callback)
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abort ();
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}
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}
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trsize += (_bfd_count_link_order_relocs (obj_textsec (abfd)
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->link_order_head)
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* obj_reloc_entry_size (abfd));
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exec_hdr (abfd)->a_trsize = trsize;
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drsize += (_bfd_count_link_order_relocs (obj_datasec (abfd)
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->link_order_head)
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* obj_reloc_entry_size (abfd));
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exec_hdr (abfd)->a_drsize = drsize;
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}
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@ -3472,6 +3498,7 @@ NAME(aout,final_link) (abfd, info, callback)
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for (sub = info->input_bfds; sub != (bfd *) NULL; sub = sub->link_next)
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sub->output_has_begun = false;
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have_link_order_relocs = false;
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for (o = abfd->sections; o != (asection *) NULL; o = o->next)
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{
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for (p = o->link_order_head;
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@ -3492,6 +3519,12 @@ NAME(aout,final_link) (abfd, info, callback)
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input_bfd->output_has_begun = true;
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}
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}
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else if (p->type == bfd_section_reloc_link_order
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|| p->type == bfd_symbol_reloc_link_order)
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{
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/* These are handled below. */
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have_link_order_relocs = true;
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}
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else
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{
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if (! _bfd_default_link_order (abfd, info, o, p))
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@ -3505,6 +3538,28 @@ NAME(aout,final_link) (abfd, info, callback)
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aout_link_write_other_symbol,
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(PTR) &aout_info);
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/* Now handle any relocs we were asked to create by the linker.
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These did not come from any input file. We must do these after
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we have written out all the symbols, so that we know the symbol
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indices to use. */
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if (have_link_order_relocs)
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{
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for (o = abfd->sections; o != (asection *) NULL; o = o->next)
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{
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for (p = o->link_order_head;
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p != (struct bfd_link_order *) NULL;
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p = p->next)
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{
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if (p->type == bfd_section_reloc_link_order
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|| p->type == bfd_symbol_reloc_link_order)
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{
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if (! aout_link_reloc_link_order (&aout_info, o, p))
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return false;
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}
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}
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}
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}
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/* Update the header information. */
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abfd->symcount = obj_aout_external_sym_count (abfd);
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exec_hdr (abfd)->a_syms = abfd->symcount * EXTERNAL_NLIST_SIZE;
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@ -4683,3 +4738,211 @@ aout_link_input_section_ext (finfo, input_bfd, input_section, relocs,
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return true;
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}
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/* Handle a link order which is supposed to generate a reloc. */
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static boolean
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aout_link_reloc_link_order (finfo, o, p)
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struct aout_final_link_info *finfo;
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asection *o;
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struct bfd_link_order *p;
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{
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struct bfd_link_order_reloc *pr;
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int r_index;
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int r_extern;
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const reloc_howto_type *howto;
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file_ptr *reloff_ptr;
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struct reloc_std_external srel;
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struct reloc_ext_external erel;
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PTR rel_ptr;
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pr = p->u.reloc.p;
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if (p->type == bfd_section_reloc_link_order)
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{
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r_extern = 0;
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if (pr->u.section == &bfd_abs_section)
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r_index = N_ABS | N_EXT;
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else
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{
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BFD_ASSERT (pr->u.section->owner == finfo->output_bfd);
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r_index = pr->u.section->target_index;
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}
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}
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else
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{
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struct aout_link_hash_entry *h;
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BFD_ASSERT (p->type == bfd_symbol_reloc_link_order);
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r_extern = 1;
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h = aout_link_hash_lookup (aout_hash_table (finfo->info),
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pr->u.name, false, false, true);
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if (h != (struct aout_link_hash_entry *) NULL
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&& h->indx == -1)
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r_index = h->indx;
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else
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{
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if (! ((*finfo->info->callbacks->unattached_reloc)
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(finfo->info, pr->u.name, (bfd *) NULL,
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(asection *) NULL, (bfd_vma) 0)))
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return false;
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r_index = 0;
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}
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}
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howto = bfd_reloc_type_lookup (finfo->output_bfd, pr->reloc);
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if (howto == (const reloc_howto_type *) NULL)
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{
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bfd_set_error (bfd_error_bad_value);
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return false;
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}
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if (o == obj_textsec (finfo->output_bfd))
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reloff_ptr = &finfo->treloff;
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else if (o == obj_datasec (finfo->output_bfd))
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reloff_ptr = &finfo->dreloff;
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else
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abort ();
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if (obj_reloc_entry_size (finfo->output_bfd) == RELOC_STD_SIZE)
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{
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int r_pcrel;
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int r_baserel;
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int r_jmptable;
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int r_relative;
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int r_length;
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r_pcrel = howto->pc_relative;
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r_baserel = (howto->type & 8) != 0;
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r_jmptable = 0;
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r_relative = 0;
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r_length = howto->size;
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PUT_WORD (finfo->output_bfd, p->offset, srel.r_address);
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if (finfo->output_bfd->xvec->header_byteorder_big_p)
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{
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srel.r_index[0] = r_index >> 16;
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srel.r_index[1] = r_index >> 8;
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srel.r_index[2] = r_index;
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srel.r_type[0] =
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((r_extern ? RELOC_STD_BITS_EXTERN_BIG : 0)
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| (r_pcrel ? RELOC_STD_BITS_PCREL_BIG : 0)
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| (r_baserel ? RELOC_STD_BITS_BASEREL_BIG : 0)
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| (r_jmptable ? RELOC_STD_BITS_JMPTABLE_BIG : 0)
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| (r_relative ? RELOC_STD_BITS_RELATIVE_BIG : 0)
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| (r_length << RELOC_STD_BITS_LENGTH_SH_BIG));
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}
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else
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{
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srel.r_index[2] = r_index >> 16;
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srel.r_index[1] = r_index >> 8;
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srel.r_index[0] = r_index;
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srel.r_type[0] =
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((r_extern ? RELOC_STD_BITS_EXTERN_LITTLE : 0)
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| (r_pcrel ? RELOC_STD_BITS_PCREL_LITTLE : 0)
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| (r_baserel ? RELOC_STD_BITS_BASEREL_LITTLE : 0)
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| (r_jmptable ? RELOC_STD_BITS_JMPTABLE_LITTLE : 0)
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| (r_relative ? RELOC_STD_BITS_RELATIVE_LITTLE : 0)
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| (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE));
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}
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rel_ptr = (PTR) &srel;
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/* We have to write the addend into the object file, since
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standard a.out relocs are in place. It would be more
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reliable if we had the current contents of the file here,
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rather than assuming zeroes, but we can't read the file since
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it was opened using bfd_openw. */
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if (pr->addend != 0)
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{
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bfd_size_type size;
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bfd_reloc_status_type r;
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bfd_byte *buf;
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boolean ok;
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size = bfd_get_reloc_size (howto);
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buf = (bfd_byte*) bfd_zmalloc (size);
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if (buf == (bfd_byte *) NULL)
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{
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bfd_set_error (bfd_error_no_memory);
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return false;
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}
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r = _bfd_relocate_contents (howto, finfo->output_bfd,
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pr->addend, buf);
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switch (r)
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{
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case bfd_reloc_ok:
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break;
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default:
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case bfd_reloc_outofrange:
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abort ();
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case bfd_reloc_overflow:
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if (! ((*finfo->info->callbacks->reloc_overflow)
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(finfo->info,
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(p->type == bfd_section_reloc_link_order
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? bfd_section_name (finfo->output_bfd,
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pr->u.section)
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: pr->u.name),
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howto->name, pr->addend, (bfd *) NULL,
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(asection *) NULL, (bfd_vma) 0)))
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{
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free (buf);
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return false;
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}
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break;
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}
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ok = bfd_set_section_contents (finfo->output_bfd, o,
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(PTR) buf,
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(file_ptr) p->offset,
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size);
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free (buf);
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if (! ok)
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return false;
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}
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}
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else
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{
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PUT_WORD (finfo->output_bfd, p->offset, erel.r_address);
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if (finfo->output_bfd->xvec->header_byteorder_big_p)
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{
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erel.r_index[0] = r_index >> 16;
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erel.r_index[1] = r_index >> 8;
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erel.r_index[2] = r_index;
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erel.r_type[0] =
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((r_extern ? RELOC_EXT_BITS_EXTERN_BIG : 0)
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| (howto->type << RELOC_EXT_BITS_TYPE_SH_BIG));
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}
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else
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{
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erel.r_index[2] = r_index >> 16;
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erel.r_index[1] = r_index >> 8;
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erel.r_index[0] = r_index;
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erel.r_type[0] =
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(r_extern ? RELOC_EXT_BITS_EXTERN_LITTLE : 0)
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| (howto->type << RELOC_EXT_BITS_TYPE_SH_LITTLE);
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}
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PUT_WORD (finfo->output_bfd, pr->addend, erel.r_addend);
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rel_ptr = (PTR) &erel;
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}
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if (bfd_seek (finfo->output_bfd, *reloff_ptr, SEEK_SET) != 0
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|| (bfd_write (rel_ptr, (bfd_size_type) 1,
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obj_reloc_entry_size (finfo->output_bfd),
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finfo->output_bfd)
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!= obj_reloc_entry_size (finfo->output_bfd)))
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return false;
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*reloff_ptr += obj_reloc_entry_size (finfo->output_bfd);
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/* Assert that the relocs have not run into the symbols, and that n
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the text relocs have not run into the data relocs. */
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BFD_ASSERT (*reloff_ptr <= obj_sym_filepos (finfo->output_bfd)
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&& (reloff_ptr != &finfo->treloff
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|| (*reloff_ptr
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<= obj_datasec (finfo->output_bfd)->rel_filepos)));
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return true;
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}
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Reference in a new issue