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-rw-r--r--src/unexapollo.c301
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diff --git a/src/unexapollo.c b/src/unexapollo.c
deleted file mode 100644
index 4facf823e19..00000000000
--- a/src/unexapollo.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/* unexapollo.c -- COFF File UNEXEC for GNU Emacs on Apollo SR10.x
- Copyright (C) 1988, 1994, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
-
-This file is part of GNU Emacs.
-
-GNU Emacs 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 3, or (at your option)
-any later version.
-
-GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-/* Written by Leonard N. Zubkoff. */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <fcntl.h>
-
-
-#include <a.out.h>
-#include <sys/file.h>
-#include <apollo/base.h>
-#include <apollo/ios.h>
-#include <apollo/type_uids.h>
-#include <apollo/dst.h>
-
-
-#define DST_RECORD_HDR_SIZE 2
-#define LONG_ALIGN(X) (((X)+3)&(~3))
-
-
-void
-unexec (target_file_name, source_file_name)
- char *target_file_name, *source_file_name;
-{
- struct filehdr file_header;
- struct aouthdr domain_header;
- struct scnhdr *section, *sections, *sections_limit;
- struct scnhdr *first_data_section, *last_data_section;
- struct scnhdr *rwdi_section, *blocks_section;
- struct reloc reloc_entry;
- unsigned long data_size, old_data_section_size, source_file_offset_past_rwdi;
- unsigned char buffer[4096];
- long delta_before_rwdi, delta_after_rwdi, byte_count;
- long first_changed_vaddr, old_rwdi_vaddr, i;
- ios_$id_t target_file, source_file;
- status_$t status;
- /* Open the Source File. */
- if ((source_file = open (source_file_name, O_RDONLY)) < 0)
- error ("cannot open source file for input");
- /* Read the File Header. */
- if (read (source_file, &file_header, sizeof (file_header)) != sizeof (file_header))
- error ("cannot read file header");
-
- /* Read the Domain Header. */
- if (read (source_file, &domain_header, sizeof (domain_header))
- != sizeof (domain_header))
- error ("cannot read domain header");
- /* Read the Section Headers. */
- sections =
- (struct scnhdr *) malloc (file_header.f_nscns*sizeof (struct scnhdr));
- if (sections == (struct scnhdr *) 0)
- error ("cannot allocate section header storage");
- sections_limit = sections + file_header.f_nscns;
- if (read (source_file, sections, file_header.f_nscns*sizeof (struct scnhdr))
- != file_header.f_nscns*sizeof (struct scnhdr))
- error ("cannot read section headers");
- /* Compute the new Size of the Data Section. */
- data_size = sbrk (0) - domain_header.data_start;
- delta_before_rwdi = delta_after_rwdi = data_size - domain_header.dsize;
- old_rwdi_vaddr = 0;
- /* Find and Deallocate the .rwdi Section Information. */
- for (rwdi_section = sections; rwdi_section != sections_limit; rwdi_section++)
- if (strcmp (rwdi_section->s_name, ".rwdi") == 0)
- {
- /* If there are relocation entries, we cannot "unrelocate" them. */
- if (rwdi_section->s_nreloc > 0)
- error (".rwdi section needs relocation - cannot dump Emacs");
- delta_after_rwdi = delta_before_rwdi - rwdi_section->s_size;
- old_rwdi_vaddr = rwdi_section->s_vaddr;
- rwdi_section->s_paddr = 0;
- rwdi_section->s_vaddr = 0;
- rwdi_section->s_scnptr = 0;
- rwdi_section->s_size = 0;
- source_file_offset_past_rwdi = (rwdi_section+1)->s_scnptr;
- break;
- }
- /* Skip over the Text Section Headers. */
- for (section = sections; (section->s_flags & STYP_TEXT) != 0; section++) ;
- /*
- Find the First and Last Data Sections and Fixup
- Section Header Relocation Pointers.
- */
- first_data_section = last_data_section = (struct scnhdr *) 0;
- for (; section != sections_limit; section++)
- {
- if ((section->s_flags & STYP_DATA) != 0)
- {
- if (first_data_section == (struct scnhdr *) 0)
- first_data_section = section;
- last_data_section = section;
- }
- if (section->s_relptr != 0)
- section->s_relptr += delta_after_rwdi;
- }
- /* Increment the Size of the Last Data Section. */
- old_data_section_size = last_data_section->s_size;
- last_data_section->s_size += delta_before_rwdi;
-
- /* Update the File Header and Domain Header. */
- file_header.f_symptr += delta_after_rwdi;
- domain_header.dsize = data_size;
- domain_header.bsize = 0;
- /* Skip over subsequent Bss Section Headers. */
- for (section = last_data_section+1;
- (section->s_flags & STYP_BSS) != 0; section++) ;
- /* Update the remaining Section Headers. */
- blocks_section = (struct scnhdr *) 0;
- first_changed_vaddr = 0;
- for (; section != sections_limit; section++)
- {
- long delta = (section < rwdi_section ? delta_before_rwdi : delta_after_rwdi);
- if (section->s_paddr != 0)
- section->s_paddr += delta;
- if (section->s_vaddr != 0)
- {
- if (first_changed_vaddr == 0)
- first_changed_vaddr = section->s_vaddr;
- section->s_vaddr += delta;
- }
- if (section->s_scnptr != 0)
- section->s_scnptr += delta;
- if (strcmp (section->s_name, ".blocks") == 0)
- blocks_section = section;
- else if (strcmp (section->s_name, ".sri") == 0 &&
- domain_header.o_sri != 0)
- domain_header.o_sri += delta;
- else if (strcmp (section->s_name, ".inlib") == 0 &&
- domain_header.o_inlib != 0)
- domain_header.o_inlib += delta;
- }
- /* Open the Target File. */
- ios_$create (target_file_name, strlen (target_file_name), coff_$uid,
- ios_$recreate_mode, ios_$write_opt, &target_file, &status);
- if (status.all != status_$ok)
- error ("cannot open target file for output");
- /* Write the File Header. */
- if (write (target_file, &file_header, sizeof (file_header)) != sizeof (file_header))
- error ("cannot write file header");
- /* Write the Domain Header. */
- if (write (target_file, &domain_header, sizeof (domain_header))
- != sizeof (domain_header))
- error ("cannot write domain header");
- /* Write the Section Headers. */
- if (write (target_file, sections, file_header.f_nscns*sizeof (struct scnhdr))
- != file_header.f_nscns*sizeof (struct scnhdr))
- error ("cannot write section headers");
- /* Copy the Allocated Sections. */
- for (section = sections; section != first_data_section; section++)
- if (section->s_scnptr != 0)
- CopyData (target_file, source_file, LONG_ALIGN(section->s_size));
- /* Write the Expanded Data Segment. */
- if (write (target_file, first_data_section->s_vaddr, data_size) != data_size)
- error ("cannot write new data section");
-
- /* Skip over the Last Data Section and Copy until the .rwdi Section. */
- if (lseek (source_file, last_data_section->s_scnptr
- +old_data_section_size, L_SET) == -1)
- error ("cannot seek past data section");
- for (section = last_data_section+1; section != rwdi_section; section++)
- if (section->s_scnptr != 0)
- CopyData (target_file, source_file, LONG_ALIGN(section->s_size));
- /* Skip over the .rwdi Section and Copy Remainder of Source File. */
- if (lseek (source_file, source_file_offset_past_rwdi, L_SET) == -1)
- error ("cannot seek past .rwdi section");
- while ((byte_count = read (source_file, buffer, sizeof (buffer))) > 0)
- if (write (target_file, buffer, byte_count) != byte_count)
- error ("cannot write data");
- /* Unrelocate .data references to Global Symbols. */
- for (section = first_data_section; section <= last_data_section; section++)
- for (i = 0; i < section->s_nreloc; i++)
- {
- if (lseek (source_file, section->s_relptr
- +i*sizeof (struct reloc)-delta_after_rwdi, L_SET) == -1)
- error ("cannot seek to relocation info");
- if (read (source_file, &reloc_entry, sizeof (reloc_entry))
- != sizeof (reloc_entry))
- error ("cannot read reloc entry");
- if (lseek (source_file, reloc_entry.r_vaddr-section->s_vaddr
- +section->s_scnptr, L_SET) == -1)
- error ("cannot seek to data element");
- if (lseek (target_file, reloc_entry.r_vaddr-section->s_vaddr
- +section->s_scnptr, L_SET) == -1)
- error ("cannot seek to data element");
- if (read (source_file, buffer, 4) != 4)
- error ("cannot read data element");
- if (write (target_file, buffer, 4) != 4)
- error ("cannot write data element");
- }
-
- /* Correct virtual addresses in .blocks section. */
- if (blocks_section != (struct scnhdr *) 0)
- {
- dst_rec_t dst_record;
- dst_rec_comp_unit_t *comp_unit;
- unsigned short number_of_sections;
- unsigned long section_base;
- unsigned long section_offset = 0;
- /* Find section tables and update section base addresses. */
- while (section_offset < blocks_section->s_size)
- {
- if (lseek (target_file,
- blocks_section->s_scnptr+section_offset, L_SET) == -1)
- error ("cannot seek to comp unit record");
- /* Handle pad records before the comp unit record. */
- if (read (target_file, &dst_record, DST_RECORD_HDR_SIZE)
- != DST_RECORD_HDR_SIZE)
- error ("cannot read dst record tag");
- if (dst_record.rec_type == dst_typ_pad)
- section_offset += DST_RECORD_HDR_SIZE;
- else if (dst_record.rec_type == dst_typ_comp_unit)
- {
- comp_unit = &dst_record.rec_data.comp_unit_;
- if (read (target_file, comp_unit, sizeof (*comp_unit))
- != sizeof (*comp_unit))
- error ("cannot read comp unit record");
- if (lseek (target_file, blocks_section->s_scnptr
- +section_offset
-#if dst_version_major == 1 && dst_version_minor < 4
- +comp_unit->section_table
-#else
- +comp_unit->section_table.rel_offset
-#endif
- +DST_RECORD_HDR_SIZE,
- L_SET) == -1)
- error ("cannot seek to section table");
- if (read (target_file, &number_of_sections, sizeof (number_of_sections))
- != sizeof (number_of_sections))
- error ("cannot read section table size");
- for (i = 0; i < number_of_sections; i++)
- {
- if (read (target_file, &section_base, sizeof (section_base))
- != sizeof (section_base))
- error ("cannot read section base value");
- if (section_base < first_changed_vaddr)
- continue;
- else if (section_base < old_rwdi_vaddr)
- section_base += delta_before_rwdi;
- else section_base += delta_after_rwdi;
- if (lseek (target_file, -sizeof (section_base), L_INCR) == -1)
- error ("cannot seek to section base value");
- if (write (target_file, &section_base, sizeof (section_base))
- != sizeof (section_base))
- error ("cannot write section base");
- }
- section_offset += comp_unit->data_size;
- }
- else error ("unexpected dst record type");
- }
- }
-
- if (close (source_file) == -1)
- error("cannot close source file");
- if (close (target_file) == -1)
- error ("cannot close target file");
-}
-
-
-static
-CopyData (target_file, source_file, total_byte_count)
- int target_file, source_file;
- long total_byte_count;
-{
- unsigned char buffer[4096];
- long byte_count;
- while (total_byte_count > 0)
- {
- if (total_byte_count > sizeof (buffer))
- byte_count = sizeof (buffer);
- else byte_count = total_byte_count;
- if (read (source_file, buffer, byte_count) != byte_count)
- error ("cannot read data");
- if (write (target_file, buffer, byte_count) != byte_count)
- error ("cannot write data");
- total_byte_count -= byte_count;
- }
-}
-
-/* arch-tag: 783ebbdf-7d26-4df8-9469-17a1747dce96
- (do not change this comment) */
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