Uses the new small reloc type now.

Currently self hosts on sun4 and sun3

1 files changed, 146 insertions, 165 deletions

diff --git a/bfd/syms.c b/bfd/syms.c
index 795a4a2..72243a4 100644
--- a/bfd/syms.c
+++ b/bfd/syms.c
@@ -22,11 +22,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 SECTION
 	Symbols
 
-DESCRIPTION
 	BFD trys to maintain as much symbol information as it can when
 	it moves information from file to file. BFD passes information
 	to applications though the <<asymbol>> structure. When the
-	applicationrequests the symbol table, BFD reads the table in
+	application requests the symbol table, BFD reads the table in
 	the native form and translates parts of it into the internal
 	format. To maintain more than the infomation passed to
 	applications some targets keep some information 'behind the
@@ -38,7 +37,7 @@ DESCRIPTION
 	information unique to coff which BFD doesn't know or
 	understand. If a coff symbol table was read, but was written
 	through an a.out back end, all the coff specific information
-	would be lost. (.. until BFD 2 :).  The symbol table of a BFD
+	would be lost. The symbol table of a BFD
 	is not necessarily read in until a canonicalize request is
 	made. Then the BFD back end fills in a table provided by the
 	application with pointers to the canonical information.  To
@@ -57,33 +56,28 @@ DESCRIPTION
 SUBSECTION
 	Reading Symbols
 
-DESCRIPTION
 	There are two stages to reading a symbol table from a BFD;
 	allocating storage, and the actual reading process. This is an
 	excerpt from an appliction which reads the symbol table:
 
-EXAMPLE
-
-  unsigned int storage_needed;
-  asymbol **symbol_table;
-  unsigned int number_of_symbols;
-  unsigned int i;
-
-  storage_needed = get_symtab_upper_bound (abfd);
-
-  if (storage_needed == 0) {
-     return ;
-  }
-  symbol_table = (asymbol **) bfd_xmalloc (storage_needed);
-    ...
-  number_of_symbols = 
-     bfd_canonicalize_symtab (abfd, symbol_table); 
-
-  for (i = 0; i < number_of_symbols; i++) {
-     process_symbol (symbol_table[i]);
-  }
-
-DESCRIPTION
+|	  unsigned int storage_needed;
+|	  asymbol **symbol_table;
+|	  unsigned int number_of_symbols;
+|	  unsigned int i;
+|	
+|	  storage_needed = get_symtab_upper_bound (abfd);
+|	
+|	  if (storage_needed == 0) {
+|	     return ;
+|	  }
+|	  symbol_table = (asymbol **) bfd_xmalloc (storage_needed);
+|	    ...
+|	  number_of_symbols = 
+|	     bfd_canonicalize_symtab (abfd, symbol_table); 
+|	
+|	  for (i = 0; i < number_of_symbols; i++) {
+|	     process_symbol (symbol_table[i]);
+|	  }
 
 	All storage for the symbols themselves is in an obstack
 	connected to the BFD, and is freed when the BFD is closed.
@@ -93,7 +87,6 @@ DESCRIPTION
 SUBSECTION
 	Writing Symbols
 
-DESCRIPTION
 	Writing of a symbol table is automatic when a BFD open for
 	writing is closed. The application attaches a vector of
 	pointers to pointers to symbols to the BFD being written, and
@@ -104,35 +97,32 @@ DESCRIPTION
 	which has been created using <<bfd_make_empty_symbol>>.   An
 	example showing the creation of a symbol table with only one element:
 
-EXAMPLE
-#include "bfd.h"
-main() 
-{
-  bfd *abfd;
-  asymbol *ptrs[2];
-  asymbol *new;
-
-  abfd = bfd_openw("foo","a.out-sunos-big");
-  bfd_set_format(abfd, bfd_object);
-  new = bfd_make_empty_symbol(abfd);
-  new->name = "dummy_symbol";
-  new->section = (asection *)0;
-  new->flags = BSF_ABSOLUTE | BSF_GLOBAL;
-  new->value = 0x12345;
-
-  ptrs[0] = new;
-  ptrs[1] = (asymbol *)0;
-  
-  bfd_set_symtab(abfd, ptrs, 1);
-  bfd_close(abfd);
-}
-
-./makesym 
-nm foo
-00012345 A dummy_symbol
-
+|	#include "bfd.h"
+|	main() 
+|	{
+|	  bfd *abfd;
+|	  asymbol *ptrs[2];
+|	  asymbol *new;
+|	
+|	  abfd = bfd_openw("foo","a.out-sunos-big");
+|	  bfd_set_format(abfd, bfd_object);
+|	  new = bfd_make_empty_symbol(abfd);
+|	  new->name = "dummy_symbol";
+|	  new->section = bfd_make_section_old_way(abfd, ".text");
+|	  new->flags = BSF_GLOBAL;
+|	  new->value = 0x12345;
+|	
+|	  ptrs[0] = new;
+|	  ptrs[1] = (asymbol *)0;
+|	  
+|	  bfd_set_symtab(abfd, ptrs, 1);
+|	  bfd_close(abfd);
+|	}
+|	
+|	./makesym 
+|	nm foo
+|	00012345 A dummy_symbol
 
-DESCRIPTION
 	Many formats cannot represent arbitary symbol information; for
  	instance the <<a.out>> object format does not allow an
 	arbitary number of sections. A symbol pointing to a section
@@ -142,148 +132,135 @@ DESCRIPTION
 */
 
 
-/*doc*
+/*
 @node typedef asymbol, symbol handling functions, Writing Symbols, Symbols
 
 */
 /*
-TYPEDEF
+SUBSECTION
 	typedef asymbol
 
-DESCRIPTION
 	An <<asymbol>> has the form:
 
+*/
+
+/*
+CODE_FRAGMENT
+
 .typedef struct symbol_cache_entry 
 .{
-	A pointer to the BFD which owns the symbol. This information
-	is necessary so that a back end can work out what additional
-	(invisible to the application writer) information is carried
-	with the symbol. 
-
+.	{* A pointer to the BFD which owns the symbol. This information
+.	   is necessary so that a back end can work out what additional
+.   	   (invisible to the application writer) information is carried
+.	   with the symbol.  *}
+.
 .  struct _bfd *the_bfd;
-
-The text of the symbol. The name is left alone, and not copied - the
-application may not alter it. 
-
-.   CONST char *name;
-
-The value of the symbol.
-
-.   symvalue value;
-
-Attributes of a symbol:
-
+.
+.	{* The text of the symbol. The name is left alone, and not copied - the
+.	   application may not alter it. *}
+.  CONST char *name;
+.
+.	{* The value of the symbol.*}
+.  symvalue value;
+.
+.	{* Attributes of a symbol: *}
+.
 .#define BSF_NO_FLAGS    0x00
-
-The symbol has local scope; <<static>> in <<C>>. The value is
-the offset into the section of the data.
-
+.
+.	{* The symbol has local scope; <<static>> in <<C>>. The value
+. 	   is the offset into the section of the data. *}
 .#define BSF_LOCAL	0x01
-
-The symbol has global scope; initialized data in <<C>>. The value
-is the offset into the section of the data.
-
+.
+.	{* The symbol has global scope; initialized data in <<C>>. The
+.	   value is the offset into the section of the data. *}
 .#define BSF_GLOBAL	0x02
-
-Obsolete
-
+.
+.	{* Obsolete *}
 .#define BSF_IMPORT	0x04
-
-The symbol has global scope, and is exported. The value is the offset
-into the section of the data.
-
+.
+.	{* The symbol has global scope, and is exported. The value is
+.	   the offset into the section of the data. *}
 .#define BSF_EXPORT	0x08
-
-The symbol is undefined. <<extern>> in <<C>>. The value has no meaning.
-
-.#define BSF_UNDEFINED	0x10	
-
-The symbol is common, initialized to zero; default in <<C>>. The
-value is the size of the object in bytes.
-
-.#define BSF_FORT_COMM	0x20	
-
-A normal <<C>> symbol would be one of:
-<<BSF_LOCAL>>, <<BSF_FORT_COMM>>,  <<BSF_UNDEFINED>> or <<BSF_EXPORT|BSD_GLOBAL>>
-
-The symbol is a debugging record. The value has an arbitary meaning.
-
+.
+.	{* The symbol is undefined. <<extern>> in <<C>>. The value has
+.	   no meaning. *}
+.#define BSF_UNDEFINED_OBS 0x10	
+.
+.	{* The symbol is common, initialized to zero; default in
+.	   <<C>>. The value is the size of the object in bytes. *}
+.#define BSF_FORT_COMM_OBS	0x20	
+.
+.	{* A normal C symbol would be one of:
+.	   <<BSF_LOCAL>>, <<BSF_FORT_COMM>>,  <<BSF_UNDEFINED>> or
+.	   <<BSF_EXPORT|BSD_GLOBAL>> *}
+.
+.	{* The symbol is a debugging record. The value has an arbitary
+.	   meaning. *}
 .#define BSF_DEBUGGING	0x40
-
-The symbol has no section attached, any value is the actual value and
-is not a relative offset to a section.
-
-.#define BSF_ABSOLUTE	0x80
-
-Used by the linker
-
+.
+.	{* Used by the linker *}
 .#define BSF_KEEP        0x10000
 .#define BSF_KEEP_G      0x80000
-
-Unused
-
+.
+.	{* Unused *}
 .#define BSF_WEAK        0x100000
 .#define BSF_CTOR        0x200000 
-.#define BSF_FAKE        0x400000 
-
-The symbol used to be a common symbol, but now it is allocated.
-
+.
+.       {* This symbol was created to point to a section *}
+.#define BSF_SECTION_SYM 0x400000 
+.
+.	{* The symbol used to be a common symbol, but now it is
+.	   allocated. *}
 .#define BSF_OLD_COMMON  0x800000  
-
-The default value for common data.
-
+.
+.	{* The default value for common data. *}
 .#define BFD_FORT_COMM_DEFAULT_VALUE 0
-
-In some files the type of a symbol sometimes alters its location
-in an output file - ie in coff a <<ISFCN>> symbol which is also <<C_EXT>>
-symbol appears where it was declared and not at the end of a section. 
-This bit is set by the target BFD part to convey this information. 
-
+.
+.	{* In some files the type of a symbol sometimes alters its
+.	   location in an output file - ie in coff a <<ISFCN>> symbol
+.	   which is also <<C_EXT>> symbol appears where it was
+.	   declared and not at the end of a section.  This bit is set
+.  	   by the target BFD part to convey this information. *}
+.
 .#define BSF_NOT_AT_END    0x40000
-
-Signal that the symbol is the label of constructor section.
-
+.
+.	{* Signal that the symbol is the label of constructor section. *}
 .#define BSF_CONSTRUCTOR   0x1000000
-
-Signal that the symbol is a warning symbol. If the symbol is a warning
-symbol, then the value field (I know this is tacky) will point to the
-asymbol which when referenced will cause the warning.
-
+.
+.	{* Signal that the symbol is a warning symbol. If the symbol
+.	   is a warning symbol, then the value field (I know this is
+.	   tacky) will point to the asymbol which when referenced will
+.	   cause the warning. *}
 .#define BSF_WARNING       0x2000000
-
-Signal that the symbol is indirect. The value of the symbol is a
-pointer to an undefined asymbol which contains the name to use
-instead.
-
+.
+.	{* Signal that the symbol is indirect. The value of the symbol
+.	   is a pointer to an undefined asymbol which contains the
+.	   name to use instead. *}
 .#define BSF_INDIRECT     0x4000000
-
+.
 .  flagword flags;
-
-A pointer to the section to which this symbol is relative, or 0 if the
-symbol is absolute or undefined. Note that it is not sufficient to set
-this location to 0 to mark a symbol as absolute - the flag
-<<BSF_ABSOLUTE>> must be set also.
-
+.
+.	{* A pointer to the section to which this symbol is 
+.	   relative.  This will always be non NULL, there are special
+.          sections for undefined and absolute symbols *}
 .  struct sec *section;
-
-Back end special data. This is being phased out in favour of making
-this a union.
-
+.
+.	{* Back end special data. This is being phased out in favour
+.	   of making this a union. *}
 .  PTR udata;	
+.
 .} asymbol;
-
 */
 
 #include "bfd.h"
 #include "sysdep.h"
 #include "libbfd.h"
-#include "stab.gnu.h"
+#include "aout/stab_gnu.h"
  
 /*
 @node symbol handling functions,  , typedef asymbol, Symbols
 SUBSECTION
 	Symbol Handling Functions
-
 */
 
 /*
@@ -372,13 +349,11 @@ asymbol *symbol)
       {
 	fprintf_vma(file, symbol->value);
       }
-  fprintf(file," %c%c%c%c%c%c%c%c%c%c",
+  fprintf(file," %c%c%c%c%c%c%c%c",
 	  (type & BSF_LOCAL)  ? 'l':' ',
 	  (type & BSF_GLOBAL) ? 'g' : ' ',
 	  (type & BSF_IMPORT) ? 'i' : ' ',
 	  (type & BSF_EXPORT) ? 'e' : ' ',
-	  (type & BSF_UNDEFINED) ? 'u' : ' ',
-	  (type & BSF_FORT_COMM) ? 'c' : ' ',
 	  (type & BSF_CONSTRUCTOR) ? 'C' : ' ',
 	  (type & BSF_WARNING) ? 'W' : ' ',
 	  (type & BSF_INDIRECT) ? 'I' : ' ',
@@ -421,14 +396,12 @@ asymbol *symbol)
 {
   flagword flags = symbol->flags;
   
-  if (flags & BSF_FORT_COMM) return 'C';
-  if (flags & BSF_UNDEFINED) return 'U';
-  if (flags & BSF_ABSOLUTE)
-       return (flags & BSF_GLOBAL) ? 'A' : 'a';
+  if (symbol->section == &bfd_com_section) return 'C';
+  if (symbol->section == &bfd_und_section) return 'U';
  
    if ( flags & (BSF_GLOBAL|BSF_LOCAL) ) {
-     if (symbol->section == (asection *)NULL)
-       return '*';
+     if ( symbol->section == &bfd_abs_section)
+      return (flags & BSF_GLOBAL) ? 'A' : 'a';
      else if ( !strcmp(symbol->section->name, ".text") )
        return (flags & BSF_GLOBAL) ? 'T' : 't';
      else if ( !strcmp(symbol->section->name, ".data") )
@@ -450,3 +423,11 @@ asymbol *symbol)
  
   return '?';
 }
+
+
+bfd_symbol_is_absolute()
+{
+  
+  abort();
+}
+