target-def.h: Remove usage of OBJECT_FORMAT_ROSE.

	* target-def.h: Remove usage of OBJECT_FORMAT_ROSE.
	* system.h: Poison OBJ_FORMAT_ROSE.
	* doc/tm.texi (Macros for Initialization): Remove documentatin of
	OBJECT_FORMAT_ROSE.
	* config/rs6000/lynx.h: Remove undef of OBJECT_FORMAT_ROSE.
	* collect2.c: Remove usage of OBJECT_FORMAT_ROSE.

From-SVN: r68678

6 files changed, 14 insertions, 687 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b3570e3..5318c9a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2003-06-29  Andreas Jaeger  <aj@suse.de>
+
+	* target-def.h: Remove usage of OBJECT_FORMAT_ROSE.
+	* system.h: Poison OBJ_FORMAT_ROSE.
+	* doc/tm.texi (Macros for Initialization): Remove documentatin of
+	OBJECT_FORMAT_ROSE.
+	* config/rs6000/lynx.h: Remove undef of OBJECT_FORMAT_ROSE.
+	* collect2.c: Remove usage of OBJECT_FORMAT_ROSE.
 
 2003-06-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
diff --git a/gcc/collect2.c b/gcc/collect2.c
index 32eb5be..866b0c1 100644
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -69,7 +69,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #ifdef CROSS_COMPILE
 #undef SUNOS4_SHARED_LIBRARIES
 #undef OBJECT_FORMAT_COFF
-#undef OBJECT_FORMAT_ROSE
 #undef MD_EXEC_PREFIX
 #undef REAL_LD_FILE_NAME
 #undef REAL_NM_FILE_NAME
@@ -81,7 +80,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    In a cross-compiler, this means you need a cross nm,
    but that is not quite as unpleasant as special headers.  */
 
-#if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
+#if !defined (OBJECT_FORMAT_COFF)
 #define OBJECT_FORMAT_NONE
 #endif
 
@@ -113,24 +112,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 
 #endif /* OBJECT_FORMAT_COFF */
 
-#ifdef OBJECT_FORMAT_ROSE
-
-#ifdef _OSF_SOURCE
-#define USE_MMAP
-#endif
-
-#ifdef USE_MMAP
-#include <sys/mman.h>
-#endif
-
-#include <unistd.h>
-#include <mach_o_format.h>
-#include <mach_o_header.h>
-#include <mach_o_vals.h>
-#include <mach_o_types.h>
-
-#endif /* OBJECT_FORMAT_ROSE */
-
 #ifdef OBJECT_FORMAT_NONE
 
 /* Default flags to pass to nm.  */
@@ -2856,658 +2837,3 @@ if (debug) fprintf (stderr, "found: %s\n", lib_buf);
   return (NULL);
 }
 #endif /* COLLECT_EXPORT_LIST */
-
-
-/*
- * OSF/rose specific stuff.
- */
-
-#ifdef OBJECT_FORMAT_ROSE
-
-/* Union of the various load commands */
-
-typedef union load_union
-{
-  ldc_header_t			hdr;	/* common header */
-  load_cmd_map_command_t	map;	/* map indexing other load cmds */
-  interpreter_command_t		iprtr;	/* interpreter pathname */
-  strings_command_t		str;	/* load commands strings section */
-  region_command_t		region;	/* region load command */
-  reloc_command_t		reloc;	/* relocation section */
-  package_command_t		pkg;	/* package load command */
-  symbols_command_t		sym;	/* symbol sections */
-  entry_command_t		ent;	/* program start section */
-  gen_info_command_t		info;	/* object information */
-  func_table_command_t		func;	/* function constructors/destructors */
-} load_union_t;
-
-/* Structure to point to load command and data section in memory.  */
-
-typedef struct load_all
-{
-  load_union_t *load;			/* load command */
-  char *section;			/* pointer to section */
-} load_all_t;
-
-/* Structure to contain information about a file mapped into memory.  */
-
-struct file_info
-{
-  char *start;				/* start of map */
-  char *name;				/* filename */
-  long	size;				/* size of the file */
-  long  rounded_size;			/* size rounded to page boundary */
-  int	fd;				/* file descriptor */
-  int	rw;				/* != 0 if opened read/write */
-  int	use_mmap;			/* != 0 if mmap'ed */
-};
-
-extern int decode_mach_o_hdr (void);
-extern int encode_mach_o_hdr (void);
-
-static void add_func_table (mo_header_t *, load_all_t *, symbol_info_t *,
-			    int);
-static void print_header (mo_header_t *);
-static void print_load_command (load_union_t *, size_t, int);
-static void bad_header (int);
-static struct file_info	*read_file (const char *, int, int);
-static void end_file (struct file_info *);
-
-/* OSF/rose specific version to scan the name list of the loaded
-   program for the symbols g++ uses for static constructors and
-   destructors.
-
-   The constructor table begins at __CTOR_LIST__ and contains a count
-   of the number of pointers (or -1 if the constructors are built in a
-   separate section by the linker), followed by the pointers to the
-   constructor functions, terminated with a null pointer.  The
-   destructor table has the same format, and begins at __DTOR_LIST__.  */
-
-static void
-scan_prog_file (const char *prog_name, enum pass which_pass)
-{
-  char *obj;
-  mo_header_t hdr;
-  load_all_t *load_array;
-  load_all_t *load_end;
-  load_all_t *load_cmd;
-  int symbol_load_cmds;
-  off_t offset;
-  int i;
-  int num_syms;
-  int status;
-  char *str_sect;
-  struct file_info *obj_file;
-  int prog_fd;
-  mo_lcid_t cmd_strings	  = -1;
-  symbol_info_t *main_sym = 0;
-  int rw		  = (which_pass != PASS_FIRST);
-
-  prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
-  if (prog_fd < 0)
-    fatal_perror ("open %s", prog_name);
-
-  obj_file = read_file (prog_name, prog_fd, rw);
-  obj = obj_file->start;
-
-  status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
-  if (status != MO_HDR_CONV_SUCCESS)
-    bad_header (status);
-
-
-  /* Do some basic sanity checks.  Note we explicitly use the big endian magic number,
-     since the hardware will automatically swap bytes for us on loading little endian
-     integers.  */
-
-#ifndef CROSS_COMPILE
-  if (hdr.moh_magic != MOH_MAGIC_MSB
-      || hdr.moh_header_version != MOH_HEADER_VERSION
-      || hdr.moh_byte_order != OUR_BYTE_ORDER
-      || hdr.moh_data_rep_id != OUR_DATA_REP_ID
-      || hdr.moh_cpu_type != OUR_CPU_TYPE
-      || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
-      || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
-    {
-      fatal ("incompatibilities between object file & expected values");
-    }
-#endif
-
-  if (debug)
-    print_header (&hdr);
-
-  offset = hdr.moh_first_cmd_off;
-  load_end = load_array
-    = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
-
-  /* Build array of load commands, calculating the offsets */
-  for (i = 0; i < hdr.moh_n_load_cmds; i++)
-    {
-      load_union_t *load_hdr;		/* load command header */
-
-      load_cmd = load_end++;
-      load_hdr = (load_union_t *) (obj + offset);
-
-      /* If modifying the program file, copy the header.  */
-      if (rw)
-	{
-	  load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
-	  memcpy ((char *)ptr, (char *)load_hdr, load_hdr->hdr.ldci_cmd_size);
-	  load_hdr = ptr;
-
-	  /* null out old command map, because we will rewrite at the end.  */
-	  if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
-	    {
-	      cmd_strings = ptr->map.lcm_ld_cmd_strings;
-	      ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
-	    }
-	}
-
-      load_cmd->load = load_hdr;
-      if (load_hdr->hdr.ldci_section_off > 0)
-	load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
-
-      if (debug)
-	print_load_command (load_hdr, offset, i);
-
-      offset += load_hdr->hdr.ldci_cmd_size;
-    }
-
-  /* If the last command is the load command map and is not undefined,
-     decrement the count of load commands.  */
-  if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
-    {
-      load_end--;
-      hdr.moh_n_load_cmds--;
-    }
-
-  /* Go through and process each symbol table section.  */
-  symbol_load_cmds = 0;
-  for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
-    {
-      load_union_t *load_hdr = load_cmd->load;
-
-      if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
-	{
-	  symbol_load_cmds++;
-
-	  if (debug)
-	    {
-	      const char *kind = "unknown";
-
-	      switch (load_hdr->sym.symc_kind)
-		{
-		case SYMC_IMPORTS:	   kind = "imports"; break;
-		case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
-		case SYMC_STABS:	   kind = "stabs";   break;
-		}
-
-	      notice ("\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
-		      symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
-	    }
-
-	  if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
-	    continue;
-
-	  str_sect = load_array[load_hdr->sym.symc_strings_section].section;
-	  if (str_sect == (char *) 0)
-	    fatal ("string section missing");
-
-	  if (load_cmd->section == (char *) 0)
-	    fatal ("section pointer missing");
-
-	  num_syms = load_hdr->sym.symc_nentries;
-	  for (i = 0; i < num_syms; i++)
-	    {
-	      symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
-	      char *name = sym->si_name.symbol_name + str_sect;
-
-	      if (name[0] != '_')
-		continue;
-
-	      if (rw)
-		{
-		  char *n = name + strlen (name) - strlen (NAME__MAIN);
-
-		  if ((n - name) < 0 || strcmp (n, NAME__MAIN))
-		    continue;
-		  while (n != name)
-		    if (*--n != '_')
-		      continue;
-
-		  main_sym = sym;
-		}
-	      else
-		{
-		  switch (is_ctor_dtor (name))
-		    {
-		    case 1:
-		      add_to_list (&constructors, name);
-		      break;
-
-		    case 2:
-		      add_to_list (&destructors, name);
-		      break;
-
-		    default:	/* not a constructor or destructor */
-		      continue;
-		    }
-		}
-
-	      if (debug)
-		fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
-			 sym->si_type, sym->si_sc_type, sym->si_flags, name);
-	    }
-	}
-    }
-
-  if (symbol_load_cmds == 0)
-    fatal ("no symbol table found");
-
-  /* Update the program file now, rewrite header and load commands.  At present,
-     we assume that there is enough space after the last load command to insert
-     one more.  Since the first section written out is page aligned, and the
-     number of load commands is small, this is ok for the present.  */
-
-  if (rw)
-    {
-      load_union_t *load_map;
-      size_t size;
-
-      if (cmd_strings == -1)
-	fatal ("no cmd_strings found");
-
-      /* Add __main to initializer list.
-	 If we are building a program instead of a shared library, do not
-	 do anything, since in the current version, you cannot do mallocs
-	 and such in the constructors.  */
-
-      if (main_sym != (symbol_info_t *) 0
-	  && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
-	add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
-
-      if (debug)
-	notice ("\nUpdating header and load commands.\n\n");
-
-      hdr.moh_n_load_cmds++;
-      size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
-
-      /* Create new load command map.  */
-      if (debug)
-	notice ("load command map, %d cmds, new size %ld.\n",
-		(int) hdr.moh_n_load_cmds, (long) size);
-
-      load_map = (load_union_t *) xcalloc (1, size);
-      load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
-      load_map->map.ldc_header.ldci_cmd_size = size;
-      load_map->map.lcm_ld_cmd_strings = cmd_strings;
-      load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
-      load_array[hdr.moh_n_load_cmds-1].load = load_map;
-
-      offset = hdr.moh_first_cmd_off;
-      for (i = 0; i < hdr.moh_n_load_cmds; i++)
-	{
-	  load_map->map.lcm_map[i] = offset;
-	  if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
-	    hdr.moh_load_map_cmd_off = offset;
-
-	  offset += load_array[i].load->hdr.ldci_cmd_size;
-	}
-
-      hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
-
-      if (debug)
-	print_header (&hdr);
-
-      /* Write header.  */
-      status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
-      if (status != MO_HDR_CONV_SUCCESS)
-	bad_header (status);
-
-      if (debug)
-	notice ("writing load commands.\n\n");
-
-      /* Write load commands.  */
-      offset = hdr.moh_first_cmd_off;
-      for (i = 0; i < hdr.moh_n_load_cmds; i++)
-	{
-	  load_union_t *load_hdr = load_array[i].load;
-	  size_t size = load_hdr->hdr.ldci_cmd_size;
-
-	  if (debug)
-	    print_load_command (load_hdr, offset, i);
-
-	  bcopy ((char *) load_hdr, (char *) (obj + offset), size);
-	  offset += size;
-	}
-    }
-
-  end_file (obj_file);
-
-  if (close (prog_fd))
-    fatal_perror ("close %s", prog_name);
-
-  if (debug)
-    fprintf (stderr, "\n");
-}
-
-
-/* Add a function table to the load commands to call a function on
-   initiation or termination of the process.  The function takes HDR_P
-   as pointer to the global header, LOAD_ARRAY as array of pointers to
-   load commands, SYM as pointer to symbol entry and the fntc_type
-   value TYPE.  */
-
-static void
-add_func_table (mo_header_t *hdr_p, load_all_t *load_array,
-		symbol_info_t *sym, int type)
-{
-  /* Add a new load command.  */
-  int num_cmds = ++hdr_p->moh_n_load_cmds;
-  int load_index = num_cmds - 1;
-  size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
-  load_union_t *ptr = xcalloc (1, size);
-  load_all_t *load_cmd;
-  int i;
-
-  /* Set the unresolved address bit in the header to force the loader to be
-     used, since kernel exec does not call the initialization functions.  */
-  hdr_p->moh_flags |= MOH_UNRESOLVED_F;
-
-  load_cmd = &load_array[load_index];
-  load_cmd->load = ptr;
-  load_cmd->section = (char *) 0;
-
-  /* Fill in func table load command.  */
-  ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
-  ptr->func.ldc_header.ldci_cmd_size = size;
-  ptr->func.ldc_header.ldci_section_off = 0;
-  ptr->func.ldc_header.ldci_section_len = 0;
-  ptr->func.fntc_type = type;
-  ptr->func.fntc_nentries = 1;
-
-  /* copy address, turn it from abs. address to (region,offset) if necessary.  */
-  /* Is the symbol already expressed as (region, offset)?  */
-  if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
-    {
-      ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
-      ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
-    }
-
-  /* If not, figure out which region it's in.  */
-  else
-    {
-      mo_vm_addr_t addr = sym->si_value.abs_val;
-      int found = 0;
-
-      for (i = 0; i < load_index; i++)
-	{
-	  if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
-	    {
-	      region_command_t *region_ptr = &load_array[i].load->region;
-
-	      if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
-		  && addr >= region_ptr->regc_addr.vm_addr
-		  && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
-		{
-		  ptr->func.fntc_entry_loc[0].adr_lcid = i;
-		  ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
-		  found++;
-		  break;
-		}
-	    }
-	}
-
-      if (!found)
-	fatal ("could not convert 0x%l.8x into a region", addr);
-    }
-
-  if (debug)
-    notice ("%s function, region %d, offset = %ld (0x%.8lx)\n",
-	    type == FNTC_INITIALIZATION ? "init" : "term",
-	    (int) ptr->func.fntc_entry_loc[i].adr_lcid,
-	    (long) ptr->func.fntc_entry_loc[i].adr_sctoff,
-	    (long) ptr->func.fntc_entry_loc[i].adr_sctoff);
-
-}
-
-
-/* Print the global header for an OSF/rose object.  */
-
-static void
-print_header (mo_header_t *hdr_ptr)
-{
-  fprintf (stderr, "\nglobal header:\n");
-  fprintf (stderr, "\tmoh_magic            = 0x%.8lx\n", hdr_ptr->moh_magic);
-  fprintf (stderr, "\tmoh_major_version    = %d\n", (int)hdr_ptr->moh_major_version);
-  fprintf (stderr, "\tmoh_minor_version    = %d\n", (int)hdr_ptr->moh_minor_version);
-  fprintf (stderr, "\tmoh_header_version   = %d\n", (int)hdr_ptr->moh_header_version);
-  fprintf (stderr, "\tmoh_max_page_size    = %d\n", (int)hdr_ptr->moh_max_page_size);
-  fprintf (stderr, "\tmoh_byte_order       = %d\n", (int)hdr_ptr->moh_byte_order);
-  fprintf (stderr, "\tmoh_data_rep_id      = %d\n", (int)hdr_ptr->moh_data_rep_id);
-  fprintf (stderr, "\tmoh_cpu_type         = %d\n", (int)hdr_ptr->moh_cpu_type);
-  fprintf (stderr, "\tmoh_cpu_subtype      = %d\n", (int)hdr_ptr->moh_cpu_subtype);
-  fprintf (stderr, "\tmoh_vendor_type      = %d\n", (int)hdr_ptr->moh_vendor_type);
-  fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
-  fprintf (stderr, "\tmoh_first_cmd_off    = %d\n", (int)hdr_ptr->moh_first_cmd_off);
-  fprintf (stderr, "\tmoh_sizeofcmds       = %d\n", (int)hdr_ptr->moh_sizeofcmds);
-  fprintf (stderr, "\tmon_n_load_cmds      = %d\n", (int)hdr_ptr->moh_n_load_cmds);
-  fprintf (stderr, "\tmoh_flags            = 0x%.8lx", (long)hdr_ptr->moh_flags);
-
-  if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
-    fprintf (stderr, ", relocatable");
-
-  if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
-    fprintf (stderr, ", linkable");
-
-  if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
-    fprintf (stderr, ", execable");
-
-  if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
-    fprintf (stderr, ", executable");
-
-  if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
-    fprintf (stderr, ", unresolved");
-
-  fprintf (stderr, "\n\n");
-  return;
-}
-
-
-/* Print a short summary of a load command.  */
-
-static void
-print_load_command (load_union_t *load_hdr, size_t offset, int number)
-{
-  mo_long_t type = load_hdr->hdr.ldci_cmd_type;
-  const char *type_str = (char *) 0;
-
-  switch (type)
-    {
-    case LDC_UNDEFINED:   type_str = "UNDEFINED";	break;
-    case LDC_CMD_MAP:	  type_str = "CMD_MAP";		break;
-    case LDC_INTERPRETER: type_str = "INTERPRETER";	break;
-    case LDC_STRINGS:	  type_str = "STRINGS";		break;
-    case LDC_REGION:	  type_str = "REGION";		break;
-    case LDC_RELOC:	  type_str = "RELOC";		break;
-    case LDC_PACKAGE:	  type_str = "PACKAGE";		break;
-    case LDC_SYMBOLS:	  type_str = "SYMBOLS";		break;
-    case LDC_ENTRY:	  type_str = "ENTRY";		break;
-    case LDC_FUNC_TABLE:  type_str = "FUNC_TABLE";	break;
-    case LDC_GEN_INFO:	  type_str = "GEN_INFO";	break;
-    }
-
-  fprintf (stderr,
-	   "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
-	   number,
-	   (long) load_hdr->hdr.ldci_cmd_size,
-	   (long) offset,
-	   (long) load_hdr->hdr.ldci_section_off,
-	   (long) load_hdr->hdr.ldci_section_len);
-
-  if (type_str == (char *) 0)
-    fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
-
-  else if (type != LDC_REGION)
-    fprintf (stderr, ", ty: %s\n", type_str);
-
-  else
-    {
-      const char *region = "";
-      switch (load_hdr->region.regc_usage_type)
-	{
-	case REG_TEXT_T:	region = ", .text";	break;
-	case REG_DATA_T:	region = ", .data";	break;
-	case REG_BSS_T:		region = ", .bss";	break;
-	case REG_GLUE_T:	region = ", .glue";	break;
-#if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
-	case REG_RDATA_T:	region = ", .rdata";	break;
-	case REG_SDATA_T:	region = ", .sdata";	break;
-	case REG_SBSS_T:	region = ", .sbss";	break;
-#endif
-	}
-
-      fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
-	       type_str,
-	       (long) load_hdr->region.regc_vm_addr,
-	       (long) load_hdr->region.regc_vm_size,
-	       region);
-    }
-
-  return;
-}
-
-
-/* Fatal error when {en,de}code_mach_o_header fails.  */
-
-static void
-bad_header (int status)
-{
-  switch (status)
-    {
-    case MO_ERROR_BAD_MAGIC:		fatal ("bad magic number");
-    case MO_ERROR_BAD_HDR_VERS:		fatal ("bad header version");
-    case MO_ERROR_BAD_RAW_HDR_VERS:	fatal ("bad raw header version");
-    case MO_ERROR_BUF2SML:		fatal ("raw header buffer too small");
-    case MO_ERROR_OLD_RAW_HDR_FILE:	fatal ("old raw header file");
-    case MO_ERROR_UNSUPPORTED_VERS:	fatal ("unsupported version");
-    default:
-      fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
-    }
-}
-
-
-/* Read a file into a memory buffer. The file has filename NAME and is
-   opened with the file descriptor FD for read or write according to
-   RW.  */
-
-static struct file_info *
-read_file (const char *name, int fd, int rw)
-{
-  struct stat stat_pkt;
-  struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
-#ifdef USE_MMAP
-  static int page_size;
-#endif
-
-  if (fstat (fd, &stat_pkt) < 0)
-    fatal_perror ("fstat %s", name);
-
-  p->name	  = name;
-  p->size	  = stat_pkt.st_size;
-  p->rounded_size = stat_pkt.st_size;
-  p->fd		  = fd;
-  p->rw		  = rw;
-
-#ifdef USE_MMAP
-  if (debug)
-    fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
-
-  if (page_size == 0)
-    page_size = sysconf (_SC_PAGE_SIZE);
-
-  p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
-  p->start = mmap ((caddr_t) 0,
-		   (rw) ? p->rounded_size : p->size,
-		   (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
-		   MAP_FILE | MAP_VARIABLE | MAP_SHARED,
-		   fd,
-		   0L);
-
-  if (p->start != (char *) 0 && p->start != (char *) -1)
-    p->use_mmap = 1;
-
-  else
-#endif /* USE_MMAP */
-    {
-      long len;
-
-      if (debug)
-	fprintf (stderr, "read %s\n", name);
-
-      p->use_mmap = 0;
-      p->start = xmalloc (p->size);
-      if (lseek (fd, 0L, SEEK_SET) < 0)
-	fatal_perror ("lseek %s 0", name);
-
-      len = read (fd, p->start, p->size);
-      if (len < 0)
-	fatal_perror ("read %s", name);
-
-      if (len != p->size)
-	fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
-    }
-
-  return p;
-}
-
-/* Do anything necessary to write a file back from memory.  */
-
-static void
-end_file (struct file_info *pt)
-{
-#ifdef USE_MMAP
-  if (ptr->use_mmap)
-    {
-      if (ptr->rw)
-	{
-	  if (debug)
-	    fprintf (stderr, "msync %s\n", ptr->name);
-
-	  if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
-	    fatal_perror ("msync %s", ptr->name);
-	}
-
-      if (debug)
-	fprintf (stderr, "munmap %s\n", ptr->name);
-
-      if (munmap (ptr->start, ptr->size))
-	fatal_perror ("munmap %s", ptr->name);
-    }
-  else
-#endif /* USE_MMAP */
-    {
-      if (ptr->rw)
-	{
-	  long len;
-
-	  if (debug)
-	    fprintf (stderr, "write %s\n", ptr->name);
-
-	  if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
-	    fatal_perror ("lseek %s 0", ptr->name);
-
-	  len = write (ptr->fd, ptr->start, ptr->size);
-	  if (len < 0)
-	    fatal_perror ("write %s", ptr->name);
-
-	  if (len != ptr->size)
-	    fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
-	}
-
-      free (ptr->start);
-    }
-
-  free (ptr);
-}
-
-#endif /* OBJECT_FORMAT_ROSE */
diff --git a/gcc/config/rs6000/lynx.h b/gcc/config/rs6000/lynx.h
index 464b243..04ed121 100644
--- a/gcc/config/rs6000/lynx.h
+++ b/gcc/config/rs6000/lynx.h
@@ -103,7 +103,6 @@ do {								\
 /* For collect2 */
 #define OBJECT_FORMAT_NONE
 #undef OBJECT_FORMAT_COFF
-#undef OBJECT_FORMAT_ROSE
 #undef MD_EXEC_PREFIX
 #undef REAL_LD_FILE_NAME
 #undef REAL_STRIP_FILE_NAME
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index d5d112c..1f52fcb 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -7118,21 +7118,15 @@ If your system uses @command{collect2} as the means of processing
 constructors, then that program normally uses @command{nm} to scan
 an object file for constructor functions to be called.
 
-On certain kinds of systems, you can define these macros to make
+On certain kinds of systems, you can define this macro to make
 @command{collect2} work faster (and, in some cases, make it work at all):
 
 @defmac OBJECT_FORMAT_COFF
 Define this macro if the system uses COFF (Common Object File Format)
 object files, so that @command{collect2} can assume this format and scan
 object files directly for dynamic constructor/destructor functions.
-@end defmac
-
-@defmac OBJECT_FORMAT_ROSE
-Define this macro if the system uses ROSE format object files, so that
-@command{collect2} can assume this format and scan object files directly
-for dynamic constructor/destructor functions.
 
-These macros are effective only in a native compiler; @command{collect2} as
+This macro is effective only in a native compiler; @command{collect2} as
 part of a cross compiler always uses @command{nm} for the target machine.
 @end defmac
 
diff --git a/gcc/system.h b/gcc/system.h
index cafaea6..369f566 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -621,7 +621,7 @@ typedef char _Bool;
 	DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME	   \
 	DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE		   \
 	INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT	   \
-	EXIT_BODY
+	EXIT_BODY OBJECT_FORMAT_ROSE
 
 /* Hooks that are no longer used.  */
  #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE	\
diff --git a/gcc/target-def.h b/gcc/target-def.h
index 3197022..e3c4df1 100644
--- a/gcc/target-def.h
+++ b/gcc/target-def.h
@@ -40,7 +40,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #define TARGET_ASM_ALIGNED_TI_OP NULL
 
 /* GAS and SYSV4 assemblers accept these.  */
-#if defined (OBJECT_FORMAT_ELF) || defined (OBJECT_FORMAT_ROSE)
+#if defined (OBJECT_FORMAT_ELF)
 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
@@ -50,7 +50,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #define TARGET_ASM_UNALIGNED_SI_OP NULL
 #define TARGET_ASM_UNALIGNED_DI_OP NULL
 #define TARGET_ASM_UNALIGNED_TI_OP NULL
-#endif /* OBJECT_FORMAT_ELF || OBJECT_FORMAT_ROSE */
+#endif /* OBJECT_FORMAT_ELF */
 
 #define TARGET_ASM_INTEGER default_assemble_integer