Thu May 9 11:00:45 1991 Steve Chamberlain (steve at cygint.cygnus.com)
authorSteve Chamberlain <steve@cygnus>
Thu, 9 May 1991 18:05:05 +0000 (18:05 +0000)
committerSteve Chamberlain <steve@cygnus>
Thu, 9 May 1991 18:05:05 +0000 (18:05 +0000)
* ieee.c (do_one, ieee_slurp_section_data): now supports the load
multiple reloc command.

bfd/ieee.c

index 6bc3730..5048e8f 100644 (file)
@@ -1049,8 +1049,143 @@ DEFUN(ieee_print_symbol,(ignore_abfd, file,  symbol, how),
 }
 
 
+static boolean
+DEFUN(do_one,(ieee, current_map, location_ptr,s),
+      ieee_data_type *ieee AND
+      ieee_per_section_type *current_map AND
+      uint8e_type *location_ptr AND
+      asection *s)
+{
+  switch (this_byte(ieee))  
+      {
+      case ieee_load_constant_bytes_enum:
+         {
+           unsigned int number_of_maus;
+           unsigned int i;
+           next_byte(ieee);
+           number_of_maus = must_parse_int(ieee);
+
+           for (i = 0; i < number_of_maus; i++) {
+             location_ptr[current_map->pc++]= this_byte(ieee);
+             next_byte(ieee);
+           }
+         }
+       break;
+
+      case ieee_load_with_relocation_enum:
+         {
+           boolean loop = true;
+           next_byte(ieee);
+           while (loop) 
+               {
+                 switch (this_byte(ieee)) 
+                     {
+                     case ieee_variable_R_enum:
+
+                     case ieee_function_signed_open_b_enum:
+                     case ieee_function_unsigned_open_b_enum:
+                     case ieee_function_either_open_b_enum:
+                         {
+                           unsigned int extra = 4;
+                           boolean pcrel = false;
+
+                           ieee_reloc_type *r = 
+                             (ieee_reloc_type *) bfd_alloc(ieee->abfd,
+                                                           sizeof(ieee_reloc_type));
+
+                           *(current_map->reloc_tail_ptr) = r;
+                           current_map->reloc_tail_ptr= &r->next;
+                           r->next = (ieee_reloc_type *)NULL;
+                           next_byte(ieee);
+                           parse_expression(ieee,
+                                            &r->relent.addend,
+                                            &r->relent.section,
+                                            &r->symbol,
+                                            &pcrel, &extra);
+                           r->relent.address = current_map->pc;
+                           s->reloc_count++;
+                           switch (this_byte(ieee)) {
+                           case ieee_function_signed_close_b_enum:
+                             next_byte(ieee);
+                             break;
+                           case ieee_function_unsigned_close_b_enum:
+                             next_byte(ieee);
+                             break;
+                           case ieee_function_either_close_b_enum:
+                             next_byte(ieee);
+                             break;
+                           default:
+                             break;
+                           }
+                           /* Build a relocation entry for this type */
+                           if (this_byte(ieee) == ieee_comma) {
+                             next_byte(ieee);
+                             /* Fetch number of bytes to pad */
+                             extra = must_parse_int(ieee);
+                           };
+                  
+                           /* If pc rel then stick -ve pc into instruction
+                              and take out of reloc*/
+                   
+                           switch (extra) 
+                               {
+                               case 0:
+                               case 4:
+                                 if (pcrel == true) 
+                                     {
+                                       bfd_putlong(ieee->abfd, -current_map->pc, location_ptr +
+                                                   current_map->pc);
+                                       r->relent.howto = &rel32_howto;
+                                       r->relent.addend -= current_map->pc;
+                                     }
+                                 else 
+                                     {
+                                       bfd_putlong(ieee->abfd, 0, location_ptr +
+                                                   current_map->pc);
+                                       r->relent.howto = &abs32_howto;
+                                     }
+                                 current_map->pc +=4;
+                                 break;
+                               case 2:
+                                 if (pcrel == true) {
+                                   bfd_putshort(ieee->abfd, (int)(-current_map->pc),  location_ptr +current_map->pc);
+                                   r->relent.addend -= current_map->pc;
+                                   r->relent.howto = &rel16_howto;
+                                 }
+                                 else {
+                                   bfd_putshort(ieee->abfd, 0,  location_ptr +current_map->pc);
+                                   r->relent.howto = &abs16_howto;
+                                 }
+                                 current_map->pc +=2;
+                                 break;
+
+                               default:
+                                 BFD_FAIL();
+                                 break;
+                               }
+                         }
+                       break;
+                     default: 
+                         {
+                           bfd_vma this_size ;
+                           if (parse_int(ieee, &this_size) == true) {
+                             unsigned int i;
+                             for (i = 0; i < this_size; i++) {
+                               location_ptr[current_map->pc ++] = this_byte(ieee);
+                               next_byte(ieee);
+                             }
+                           }
+                           else {
+                             loop = false;
+                           }
+                         }
+                     }
+               }
+         }
+      }
+}
 
-/* Read in all the section data and relocation stuff too */
+      /* Read in all the section data and relocation stuff too */
 static boolean 
 DEFUN(ieee_slurp_section_data,(abfd),
       bfd *abfd)
@@ -1081,181 +1216,84 @@ DEFUN(ieee_slurp_section_data,(abfd),
 
   while (true) {
     switch (this_byte(ieee)) 
-      {
-       /* IF we see anything strange then quit */
-      default:
-       return true;
-
-      case ieee_set_current_section_enum:
-       next_byte(ieee);
-       section_number = must_parse_int(ieee);
-       s = ieee->section_table[section_number];
-       current_map = (ieee_per_section_type *) s->used_by_bfd;
-       location_ptr = current_map->data - s->vma;
-       /* The document I have says that Microtec's compilers reset */
-       /* this after a sec section, even though the standard says not */
-       /* to. SO .. */
-       current_map->pc =s->vma;
-       break;
-
-      case ieee_load_constant_bytes_enum:
        {
-         unsigned int number_of_maus;
-         unsigned int i;
-         next_byte(ieee);
-         number_of_maus = must_parse_int(ieee);
+         /* IF we see anything strange then quit */
+       default:
+         return true;
 
-         for (i = 0; i < number_of_maus; i++) {
-           location_ptr[current_map->pc++]= this_byte(ieee);
-           next_byte(ieee);
-         }
-       }
-       break;
+       case ieee_set_current_section_enum:
+         next_byte(ieee);
+         section_number = must_parse_int(ieee);
+         s = ieee->section_table[section_number];
+         current_map = (ieee_per_section_type *) s->used_by_bfd;
+         location_ptr = current_map->data - s->vma;
+         /* The document I have says that Microtec's compilers reset */
+         /* this after a sec section, even though the standard says not */
+         /* to. SO .. */
+         current_map->pc =s->vma;
+         break;
 
-      case ieee_e2_first_byte_enum:
-       next_byte(ieee);
-       switch (this_byte(ieee))
-         {
-         case ieee_set_current_pc_enum & 0xff:
-           {
-             bfd_vma value;
-             asection *dsection;
-             ieee_symbol_index_type symbol;
-             unsigned int extra;
-             boolean pcrel;
-             next_byte(ieee);
-             must_parse_int(ieee); /* Thow away section #*/
-             parse_expression(ieee, &value, &dsection, &symbol,
-                              &pcrel, &extra);
-             current_map->pc = value;
-             BFD_ASSERT((unsigned)(value - s->vma) <= s->size);
-           }
-           break;
 
-         case ieee_value_starting_address_enum & 0xff:
-           /* We've got to the end of the data now - */
-           return true;
-         default:
-           BFD_FAIL();
-           return true;
-         }
-       break;
-      case ieee_load_with_relocation_enum:
-       {
-         boolean loop = true;
+       case ieee_e2_first_byte_enum:
          next_byte(ieee);
-         while (loop) 
-           {
-             switch (this_byte(ieee)) 
-               {
-               case ieee_variable_R_enum:
-
-               case ieee_function_signed_open_b_enum:
-               case ieee_function_unsigned_open_b_enum:
-               case ieee_function_either_open_b_enum:
+         switch (this_byte(ieee))
+             {
+             case ieee_set_current_pc_enum & 0xff:
                  {
-                   unsigned int extra = 4;
-                   boolean pcrel = false;
-
-                   ieee_reloc_type *r = 
-                     (ieee_reloc_type *) bfd_alloc(ieee->abfd,
-                                                   sizeof(ieee_reloc_type));
-
-                   *(current_map->reloc_tail_ptr) = r;
-                   current_map->reloc_tail_ptr= &r->next;
-                   r->next = (ieee_reloc_type *)NULL;
+                   bfd_vma value;
+                   asection *dsection;
+                   ieee_symbol_index_type symbol;
+                   unsigned int extra;
+                   boolean pcrel;
                    next_byte(ieee);
-                   parse_expression(ieee,
-                                    &r->relent.addend,
-                                    &r->relent.section,
-                                    &r->symbol,
+                   must_parse_int(ieee); /* Thow away section #*/
+                   parse_expression(ieee, &value, &dsection, &symbol,
                                     &pcrel, &extra);
-                   r->relent.address = current_map->pc;
-                   s->reloc_count++;
-                   switch (this_byte(ieee)) {
-                   case ieee_function_signed_close_b_enum:
-                     next_byte(ieee);
-                     break;
-                   case ieee_function_unsigned_close_b_enum:
-                     next_byte(ieee);
-                     break;
-                   case ieee_function_either_close_b_enum:
-                     next_byte(ieee);
-                     break;
-                   default:
-                     break;
-                   }
-                   /* Build a relocation entry for this type */
-                   if (this_byte(ieee) == ieee_comma) {
-                     next_byte(ieee);
-                     /* Fetch number of bytes to pad */
-                     extra = must_parse_int(ieee);
-                   };
-                  
-                   /* If pc rel then stick -ve pc into instruction
-                      and take out of reloc*/
-                   
-                   switch (extra) 
-                       {
-                       case 0:
-                       case 4:
-                         if (pcrel == true) 
-                             {
-                               bfd_putlong(abfd, -current_map->pc, location_ptr +
-                                           current_map->pc);
-                               r->relent.howto = &rel32_howto;
-                               r->relent.addend -= current_map->pc;
-                             }
-                         else 
-                             {
-                               bfd_putlong(abfd, 0, location_ptr +
-                                           current_map->pc);
-                               r->relent.howto = &abs32_howto;
-                             }
-                         current_map->pc +=4;
-                         break;
-                       case 2:
-                         if (pcrel == true) {
-                           bfd_putshort(abfd, (int)(-current_map->pc),  location_ptr +current_map->pc);
-                           r->relent.addend -= current_map->pc;
-                           r->relent.howto = &rel16_howto;
-                         }
-                         else {
-                           bfd_putshort(abfd, 0,  location_ptr +current_map->pc);
-                           r->relent.howto = &abs16_howto;
-                         }
-                         current_map->pc +=2;
-                         break;
-
-                       default:
-                         BFD_FAIL();
-                         break;
-                       }
-                 }
-                 break;
-               default: 
-                 {
-                   bfd_vma this_size ;
-                   if (parse_int(ieee, &this_size) == true) {
-                     unsigned int i;
-                     for (i = 0; i < this_size; i++) {
-                       location_ptr[current_map->pc ++] = this_byte(ieee);
-                       next_byte(ieee);
-                     }
-                   }
-                   else {
-                     loop = false;
-                   }
+                   current_map->pc = value;
+                   BFD_ASSERT((unsigned)(value - s->vma) <= s->size);
                  }
-               }
+               break;
+
+             case ieee_value_starting_address_enum & 0xff:
+               /* We've got to the end of the data now - */
+               return true;
+             default:
+               BFD_FAIL();
+               return true;
+             }
+         break;
+       case ieee_repeat_data_enum:
+           {
+             /* Repeat the following LD or LR n times - we do this by
+                remembering the stream pointer before running it and
+                resetting it and running it n times 
+                */
+
+             unsigned int iterations ;
+             uint8e_type *start ;
+             next_byte(ieee);
+             iterations = must_parse_int(ieee);
+             start =  ieee->input_p;
+             while (iterations != 0) {
+               ieee->input_p = start;
+               do_one(ieee, current_map, location_ptr,s);
+               iterations --;
+             }
+           }
+         break;
+       case ieee_load_constant_bytes_enum:
+       case ieee_load_with_relocation_enum:
+           {
+             do_one(ieee, current_map, location_ptr,s);
            }
        }
-      }
   }
 }
 
 
 
+
+
 boolean
 DEFUN(ieee_new_section_hook,(abfd, newsect),
       bfd *abfd AND