diff options
Diffstat (limited to 'bfd/ecoff.c')
-rw-r--r-- | bfd/ecoff.c | 176 |
1 files changed, 83 insertions, 93 deletions
diff --git a/bfd/ecoff.c b/bfd/ecoff.c index 3aa939e..ce4d5f6 100644 --- a/bfd/ecoff.c +++ b/bfd/ecoff.c @@ -99,7 +99,6 @@ ecoff_mkobject_hook (abfd, filehdr, aouthdr) struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; ecoff_data_type *ecoff; - asection *regsec; if (ecoff_mkobject (abfd) == false) return NULL; @@ -108,13 +107,6 @@ ecoff_mkobject_hook (abfd, filehdr, aouthdr) ecoff->gp_size = 8; ecoff->sym_filepos = internal_f->f_symptr; - /* Create the .reginfo section to give programs outside BFD a way to - see the information stored in the a.out header. See the comment - in coff/ecoff.h. */ - regsec = bfd_make_section (abfd, REGINFO); - if (regsec == NULL) - return NULL; - if (internal_a != (struct internal_aouthdr *) NULL) { int i; @@ -184,15 +176,6 @@ ecoff_new_section_hook (abfd, section) /* An Irix 4 shared libary. */ section->flags |= SEC_SHARED_LIBRARY; } - else if (strcmp (section->name, REGINFO) == 0) - { - /* Setting SEC_SHARED_LIBRARY should make the linker leave the - section completely alone. */ - section->flags |= (SEC_SHARED_LIBRARY - | SEC_HAS_CONTENTS - | SEC_NEVER_LOAD); - section->_raw_size = sizeof (struct ecoff_reginfo); - } /* Probably any other section name is SEC_NEVER_LOAD, but I'm uncertain about .init on some systems and I don't know how shared @@ -2187,12 +2170,21 @@ ecoff_bfd_copy_private_bfd_data (ibfd, obfd) { struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info; struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info; + register int i; asymbol **sym_ptr_ptr; size_t c; boolean local; BFD_ASSERT (ibfd->xvec == obfd->xvec); + /* Copy the GP value and the register masks. */ + ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp; + ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask; + ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask; + for (i = 0; i < 3; i++) + ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i]; + + /* Copy the version stamp. */ oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp; /* If there are no symbols, don't copy any debugging information. */ @@ -2287,8 +2279,7 @@ ecoff_set_arch_mach (abfd, arch, machine) return arch == ecoff_backend (abfd)->arch; } -/* Get the size of the section headers. We do not output the .reginfo - section. */ +/* Get the size of the section headers. */ /*ARGSUSED*/ int @@ -2304,8 +2295,7 @@ ecoff_sizeof_headers (abfd, reloc) for (current = abfd->sections; current != (asection *)NULL; current = current->next) - if (strcmp (current->name, REGINFO) != 0) - ++c; + ++c; ret = (bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd) @@ -2313,9 +2303,7 @@ ecoff_sizeof_headers (abfd, reloc) return BFD_ALIGN (ret, 16); } -/* Get the contents of a section. This is where we handle reading the - .reginfo section, which implicitly holds the contents of an - ecoff_reginfo structure. */ +/* Get the contents of a section. */ boolean ecoff_get_section_contents (abfd, section, location, offset, count) @@ -2325,26 +2313,8 @@ ecoff_get_section_contents (abfd, section, location, offset, count) file_ptr offset; bfd_size_type count; { - ecoff_data_type *tdata = ecoff_data (abfd); - struct ecoff_reginfo s; - int i; - - if (strcmp (section->name, REGINFO) != 0) - return _bfd_generic_get_section_contents (abfd, section, location, - offset, count); - - s.gp_value = tdata->gp; - s.gprmask = tdata->gprmask; - for (i = 0; i < 4; i++) - s.cprmask[i] = tdata->cprmask[i]; - s.fprmask = tdata->fprmask; - - /* bfd_get_section_contents has already checked that the offset and - size is reasonable. We don't have to worry about swapping or any - such thing; the .reginfo section is defined such that the - contents are an ecoff_reginfo structure as seen on the host. */ - memcpy (location, ((char *) &s) + offset, (size_t) count); - return true; + return _bfd_generic_get_section_contents (abfd, section, location, + offset, count); } /* Calculate the file position for each section, and set @@ -2369,8 +2339,7 @@ ecoff_compute_section_file_positions (abfd) unsigned int alignment_power; /* Only deal with sections which have contents */ - if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) == 0 - || strcmp (current->name, REGINFO) == 0) + if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) == 0) continue; /* For the Alpha ECOFF .pdata section the lnnoptr field is @@ -2460,8 +2429,6 @@ ecoff_compute_reloc_file_positions (abfd) current != (asection *)NULL; current = current->next) { - if (strcmp (current->name, REGINFO) == 0) - continue; if (current->reloc_count == 0) current->rel_filepos = 0; else @@ -2490,9 +2457,7 @@ ecoff_compute_reloc_file_positions (abfd) return reloc_size; } -/* Set the contents of a section. This is where we handle setting the - contents of the .reginfo section, which implicitly holds a - ecoff_reginfo structure. */ +/* Set the contents of a section. */ boolean ecoff_set_section_contents (abfd, section, location, offset, count) @@ -2516,42 +2481,79 @@ ecoff_set_section_contents (abfd, section, location, offset, count) if (count == 0) return true; - if (strcmp (section->name, REGINFO) == 0) + if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0 + || bfd_write (location, 1, count, abfd) != count) + return false; + + return true; +} + +/* Get the GP value for an ECOFF file. This is a hook used by + nlmconv. */ + +bfd_vma +bfd_ecoff_get_gp_value (abfd) + bfd *abfd; +{ + if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour + || bfd_get_format (abfd) != bfd_object) { - ecoff_data_type *tdata = ecoff_data (abfd); - struct ecoff_reginfo s; - int i; + bfd_set_error (bfd_error_invalid_operation); + return 0; + } + + return ecoff_data (abfd)->gp; +} - /* If the caller is only changing part of the structure, we must - retrieve the current information before the memcpy. */ - if (offset != 0 || count != sizeof (struct ecoff_reginfo)) - { - s.gp_value = tdata->gp; - s.gprmask = tdata->gprmask; - for (i = 0; i < 4; i++) - s.cprmask[i] = tdata->cprmask[i]; - s.fprmask = tdata->fprmask; - } +/* Set the GP value for an ECOFF file. This is a hook used by the + assembler. */ + +boolean +bfd_ecoff_set_gp_value (abfd, gp_value) + bfd *abfd; + bfd_vma gp_value; +{ + if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour + || bfd_get_format (abfd) != bfd_object) + { + bfd_set_error (bfd_error_invalid_operation); + return false; + } - /* bfd_set_section_contents has already checked that the offset - and size is reasonable. We don't have to worry about - swapping or any such thing; the .reginfo section is defined - such that the contents are an ecoff_reginfo structure as seen - on the host. */ - memcpy (((char *) &s) + offset, location, (size_t) count); + ecoff_data (abfd)->gp = gp_value; - tdata->gp = s.gp_value; - tdata->gprmask = s.gprmask; - for (i = 0; i < 4; i++) - tdata->cprmask[i] = s.cprmask[i]; - tdata->fprmask = s.fprmask; + return true; +} - return true; +/* Set the register masks for an ECOFF file. This is a hook used by + the assembler. */ + +boolean +bfd_ecoff_set_regmasks (abfd, gprmask, fprmask, cprmask) + bfd *abfd; + unsigned long gprmask; + unsigned long fprmask; + unsigned long *cprmask; +{ + ecoff_data_type *tdata; + + if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour + || bfd_get_format (abfd) != bfd_object) + { + bfd_set_error (bfd_error_invalid_operation); + return false; } - if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0 - || bfd_write (location, 1, count, abfd) != count) - return false; + tdata = ecoff_data (abfd); + tdata->gprmask = gprmask; + tdata->fprmask = fprmask; + if (cprmask != (unsigned long *) NULL) + { + register int i; + + for (i = 0; i < 3; i++) + tdata->cprmask[i] = cprmask[i]; + } return true; } @@ -2681,8 +2683,6 @@ ecoff_write_object_contents (abfd) current != (asection *)NULL; current = current->next) { - if (strcmp (current->name, REGINFO) == 0) - continue; current->target_index = count; ++count; } @@ -2727,12 +2727,6 @@ ecoff_write_object_contents (abfd) struct internal_scnhdr section; bfd_vma vma; - if (strcmp (current->name, REGINFO) == 0) - { - BFD_ASSERT (current->reloc_count == 0); - continue; - } - ++internal_f.f_nscns; strncpy (section.s_name, current->name, sizeof section.s_name); @@ -4150,6 +4144,7 @@ ecoff_link_add_externals (abfd, info, external_ext, ssext) name = ssext + esym.asym.iss; + h = NULL; if (! (_bfd_generic_link_add_one_symbol (info, abfd, name, BSF_GLOBAL, section, value, (const char *) NULL, true, true, @@ -4359,11 +4354,6 @@ ecoff_bfd_final_link (abfd, info) for (o = abfd->sections; o != (asection *) NULL; o = o->next) { - /* Ignore any link_orders for the .reginfo section, which does - not really exist. */ - if (strcmp (o->name, REGINFO) == 0) - continue; - for (p = o->link_order_head; p != (struct bfd_link_order *) NULL; p = p->next) |