* objdump.c (start_address): New variable.

	(stop_address): New variable.
	(usage): Mention --start-address and --stop-address.
	(OPTION_START_ADDRESS, OPTION_STOP_ADDRESS): Define.
	(long_options): Add "start-address" and "stop-address".
	(disassemble_data): Handle start_address and stop_address.
	(dump_data, dump_reloc_set): Likewise.
	(main): Don't set seenflag for -l.  Handle OPTION_START_ADDRESS
	and OPTION_STOP_ADDRESS.
	* objcopy.c (parse_vma): Move to bucomm.c.
	* bucomm.c (parse_vma): New function, moved in from objcopy.c.
	* bucomm.h (parse_vma): Declare.
	* binutils.texi, objdump.1: Document new objdump options.
PR 7983.

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 0623bf6..53cd85b 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,19 @@
+Wed Sep 13 18:33:44 1995  Ian Lance Taylor  <ian@cygnus.com>
+
+       * objdump.c (start_address): New variable.
+       (stop_address): New variable.
+       (usage): Mention --start-address and --stop-address.
+       (OPTION_START_ADDRESS, OPTION_STOP_ADDRESS): Define.
+       (long_options): Add "start-address" and "stop-address".
+       (disassemble_data): Handle start_address and stop_address.
+       (dump_data, dump_reloc_set): Likewise.
+       (main): Don't set seenflag for -l.  Handle OPTION_START_ADDRESS
+       and OPTION_STOP_ADDRESS.
+       * objcopy.c (parse_vma): Move to bucomm.c.
+       * bucomm.c (parse_vma): New function, moved in from objcopy.c.
+       * bucomm.h (parse_vma): Declare.
+       * binutils.texi, objdump.1: Document new objdump options.
+
 Tue Sep 12 12:37:39 1995  Ian Lance Taylor  <ian@cygnus.com>
 
        * Makefile.in (maintainer-clean): New target.

diff --git a/binutils/binutils.texi b/binutils/binutils.texi
index fef8401..4dba4f5 100644 (file)
--- a/binutils/binutils.texi
+++ b/binutils/binutils.texi
@@ -959,7 +959,9 @@ objdump [ -a | --archive-headers ]
         [ -r | --reloc ] [ -R | --dynamic-reloc ]
         [ -s | --full-contents ]  [ --stabs ]
         [ -t | --syms ] [ -T | --dynamic-syms ] [ -x | --all-headers ]
-        [ -w | --wide ] [ --version ]  [ --help ] @var{objfile}@dots{}
+        [ -w | --wide ] [ --start-address=@var{address} ]
+        [ --stop-address=@var{address} ] [ --version ]  [ --help ]
+        @var{objfile}@dots{}
 @end smallexample
 
 @code{objdump} displays information about one or more object files.
@@ -1106,6 +1108,16 @@ section.  In most other file formats, debugging symbol-table entries are
 interleaved with linkage symbols, and are visible in the @samp{--syms}
 output.
 
+@item --start-address=@var{address}
+@cindex start-address
+Start displaying data at the specified address.  This affects the output
+of the @code{-d}, @code{-r} and @code{-s} options.
+
+@item --stop-address=@var{address}
+@cindex stop-address
+Stop displaying data at the specified address.  This affects the output
+of the @code{-d}, @code{-r} and @code{-s} options.
+
 @item -t
 @itemx --syms
 @cindex symbol table entries, printing

diff --git a/binutils/objdump.1 b/binutils/objdump.1
index f5beb33..6b73cb9 100644 (file)
--- a/binutils/objdump.1
+++ b/binutils/objdump.1
@@ -46,6 +46,12 @@ objdump \- display information from object files.
 .RB "[\|" \-t | \-\-syms "\|]" 
 .RB "[\|" \-T | \-\-dynamic\-syms "\|]" 
 .RB "[\|" \-x | \-\-all\-headers "\|]"
+.RB "[\|" "\-\-start\-address="\c
+.I address\c
+\&\|]
+.RB "[\|" "\-\-stop\-address="\c
+.I address\c
+\&\|]
 .RB "[\|" \-\-version "\|]"
 .RB "[\|" \-\-help "\|]"
 .I objfile\c
@@ -245,6 +251,28 @@ entries are interleaved with linkage symbols, and are visible in the
 \-\-syms output.
 
 .TP
+.BI "\-\-start\-address=" "address"
+Start displaying data at the specified address.  This affects the output
+of the
+.B \-d\c
+,
+.B \-r
+and
+.B \-s
+options.
+
+.TP
+.BI "\-\-stop\-address=" "address"
+Stop displaying data at the specified address.  This affects the output
+of the
+.B \-d\c
+,
+.B \-r
+and
+.B \-s
+options.
+
+.TP
 .B \-t
 .TP
 .B \-\-syms

diff --git a/binutils/objdump.c b/binutils/objdump.c
index 64cba47..e760a54 100644 (file)
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -57,6 +57,8 @@ boolean disassemble_all;      /* -D */
 boolean formats_info;          /* -i */
 char *only;                    /* -j secname */
 int wide_output;               /* -w */
+bfd_vma start_address = (bfd_vma) -1; /* --start-address */
+bfd_vma stop_address = (bfd_vma) -1;  /* --stop-address */
 
 /* Extra info to pass to the disassembler address printing function.  */
 struct objdump_disasm_info {
@@ -129,12 +131,18 @@ Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\
   fprintf (stream, "\
        [--architecture=machine] [--reloc] [--full-contents] [--stabs]\n\
        [--syms] [--all-headers] [--dynamic-syms] [--dynamic-reloc]\n\
-       [--wide] [--version] [--help] [--private-headers] objfile...\n\
+       [--wide] [--version] [--help] [--private-headers]\n\
+       [--start-address=addr] [--stop-address=addr] objfile...\n\
 at least one option besides -l (--line-numbers) must be given\n");
   list_supported_targets (program_name, stream);
   exit (status);
 }
 
+/* 150 isn't special; it's just an arbitrary non-ASCII char value.  */
+
+#define OPTION_START_ADDRESS (150)
+#define OPTION_STOP_ADDRESS (OPTION_START_ADDRESS + 1)
+
 static struct option long_options[]=
 {
   {"all-headers", no_argument, NULL, 'x'},
@@ -156,9 +164,11 @@ static struct option long_options[]=
   {"section-headers", no_argument, NULL, 'h'},
   {"source", no_argument, NULL, 'S'},
   {"stabs", no_argument, &dump_stab_section_info, 1},
+  {"start-address", required_argument, NULL, OPTION_START_ADDRESS},
+  {"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
   {"syms", no_argument, NULL, 't'},
   {"target", required_argument, NULL, 'b'},
-  {"version", no_argument, &show_version,    1},
+  {"version", no_argument, &show_version, 1},
   {"wide", no_argument, &wide_output, 'w'},
   {0, no_argument, 0, 0}
 };
@@ -773,6 +783,7 @@ disassemble_data (abfd)
       arelent **relbuf = NULL;
       arelent **relpp = NULL;
       arelent **relppend = NULL;
+      long stop;
 
       if ((section->flags & SEC_LOAD) == 0
          || (! disassemble_all
@@ -822,8 +833,23 @@ disassemble_data (abfd)
       disasm_info.buffer = data;
       disasm_info.buffer_vma = section->vma;
       disasm_info.buffer_length = datasize;
-      i = 0;
-      while (i < disasm_info.buffer_length)
+      if (start_address == (bfd_vma) -1
+         || start_address < disasm_info.buffer_vma)
+       i = 0;
+      else
+       i = start_address - disasm_info.buffer_vma;
+      if (stop_address == (bfd_vma) -1)
+       stop = datasize;
+      else
+       {
+         if (stop_address < disasm_info.buffer_vma)
+           stop = 0;
+         else
+           stop = stop_address - disasm_info.buffer_vma;
+         if (stop > disasm_info.buffer_length)
+           stop = disasm_info.buffer_length;
+       }
+      while (i < stop)
        {
          int bytes;
          boolean need_nl = false;
@@ -1280,6 +1306,7 @@ dump_data (abfd)
   bfd_byte *data = 0;
   bfd_size_type datasize = 0;
   bfd_size_type i;
+  bfd_size_type start, stop;
 
   for (section = abfd->sections; section != NULL; section =
        section->next)
@@ -1301,14 +1328,30 @@ dump_data (abfd)
 
              bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section));
 
-             for (i = 0; i < bfd_section_size (abfd, section); i += onaline)
+             if (start_address == (bfd_vma) -1
+                 || start_address < section->vma)
+               start = 0;
+             else
+               start = start_address - section->vma;
+             if (stop_address == (bfd_vma) -1)
+               stop = bfd_section_size (abfd, section);
+             else
+               {
+                 if (stop_address < section->vma)
+                   stop = 0;
+                 else
+                   stop = stop_address - section->vma;
+                 if (stop > bfd_section_size (abfd, section))
+                   stop = bfd_section_size (abfd, section);
+               }
+             for (i = start; i < stop; i += onaline)
                {
                  bfd_size_type j;
 
                  printf (" %04lx ", (unsigned long int) (i + section->vma));
                  for (j = i; j < i + onaline; j++)
                    {
-                     if (j < bfd_section_size (abfd, section))
+                     if (j < stop)
                        printf ("%02x", (unsigned) (data[j]));
                      else
                        printf ("  ");
@@ -1319,7 +1362,7 @@ dump_data (abfd)
                  printf (" ");
                  for (j = i; j < i + onaline; j++)
                    {
-                     if (j >= bfd_section_size (abfd, section))
+                     if (j >= stop)
                        printf (" ");
                      else
                        printf ("%c", isprint (data[j]) ? data[j] : '.');
@@ -1500,6 +1543,13 @@ dump_reloc_set (abfd, relpp, relcount)
       CONST char *sym_name;
       CONST char *section_name;
 
+      if (start_address != (bfd_vma) -1
+         && q->address < start_address)
+       continue;
+      if (stop_address != (bfd_vma) -1
+         && q->address > stop_address)
+       continue;
+
       if (q->sym_ptr_ptr && *q->sym_ptr_ptr)
        {
          sym_name = (*(q->sym_ptr_ptr))->name;
@@ -1723,7 +1773,8 @@ main (argc, argv)
                           (int *) 0))
         != EOF)
     {
-      seenflag = true;
+      if (c != 'l' && c != OPTION_START_ADDRESS && c != OPTION_STOP_ADDRESS)
+       seenflag = true;
       switch (c)
        {
        case 0:
@@ -1796,6 +1847,12 @@ main (argc, argv)
        case 'w':
          wide_output = 1;
          break;
+       case OPTION_START_ADDRESS:
+         start_address = parse_vma (optarg, "--start-address");
+         break;
+       case OPTION_STOP_ADDRESS:
+         stop_address = parse_vma (optarg, "--stop-address");
+         break;
        default:
          usage (stderr, 1);
        }