* elf32-mn10300.c: Add some comments.

Still cleaning up.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index d5f91f5cc2dfac919796f278e7523bd1c3daa4b6..30eefc984d75641e3bec7d08111ec0fa447dba8a 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,7 @@
+Fri Dec  6 15:18:05 1996  Jeffrey A Law  (law@cygnus.com)
+
+       * elf32-mn10300.c: Add some comments.
+
 Fri Dec  6 17:16:43 1996  Ian Lance Taylor  <ian@cygnus.com>
 
        * ihex.c (ihex_scan): Always initialize buf before jumping to

diff --git a/bfd/elf32-mn10300.c b/bfd/elf32-mn10300.c
index 333a265fe76db3878da2341039b87c8bfd2311e8..bdb84179cee7b19941d885b00dd23199d4eba941 100644 (file)
--- a/bfd/elf32-mn10300.c
+++ b/bfd/elf32-mn10300.c
@@ -52,7 +52,7 @@ enum reloc_type
 
 static reloc_howto_type elf_mn10300_howto_table[] =
 {
-  /* */
+  /* Dummy relocation.  Does nothing.  */
   HOWTO (R_MN10300_NONE,
         0,
         2,
@@ -66,6 +66,7 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0,
         0,
         false),
+  /* Standard 32 bit reloc.  */
   HOWTO (R_MN10300_32,
         0,
         2,
@@ -79,6 +80,7 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffffffff,
         0xffffffff,
         false),
+  /* Standard 16 bit reloc.  */
   HOWTO (R_MN10300_16,
         0,
         1,
@@ -92,6 +94,7 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffff,
         0xffff,
         false),
+  /* Standard 8 bit reloc.  */
   HOWTO (R_MN10300_8,
         0,
         0,
@@ -105,6 +108,7 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xff,
         0xff,
         false),
+  /* Standard 32 bit reloc, except it explicitly writes big-endian format.  */
   HOWTO (R_MN10300_32B,
         0,
         2,
@@ -118,6 +122,7 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffffffff,
         0xffffffff,
         false),
+  /* Standard 16 bit reloc, except it explicitly writes big-endian format.  */
   HOWTO (R_MN10300_16B,
         0,
         1,
@@ -131,6 +136,8 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffff,
         0xffff,
         false),
+  /* Simple 32bit pc-relative reloc with a 1 byte adjustment
+     to get the pc-relative offset correct.  */
   HOWTO (R_MN10300_PCREL32_1BYTE,
         0,
         2,
@@ -144,6 +151,8 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffffffff,
         0xffffffff,
         false),
+  /* Simple 16bit pc-relative reloc with a 1 byte adjustment
+     to get the pc-relative offset correct.  */
   HOWTO (R_MN10300_PCREL16_1BYTE,
         0,
         1,
@@ -157,6 +166,8 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffff,
         0xffff,
         false),
+  /* Simple 8 pc-relative reloc with a 1 byte adjustment
+     to get the pc-relative offset correct.  */
   HOWTO (R_MN10300_PCREL8_1BYTE,
         0,
         0,
@@ -170,6 +181,8 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xff,
         0xff,
         true),
+  /* Simple 32 pc-relative reloc with a 2 byte adjustment
+     to get the pc-relative offset correct.  */
   HOWTO (R_MN10300_PCREL32_2BYTE,
         0,
         2,
@@ -183,6 +196,8 @@ static reloc_howto_type elf_mn10300_howto_table[] =
         0xffffffff,
         0xffffffff,
         true),
+  /* Simple 16 pc-relative reloc with a 2 byte adjustment
+     to get the pc-relative offset correct.  */
   HOWTO (R_MN10300_PCREL16_2BYTE,
         0,
         1,
@@ -283,7 +298,7 @@ bfd_elf32_mn10300_reloc (abfd, reloc, symbol, data, isection, obfd, err)
 
   /* We handle final linking of some relocs ourselves.  */
     {
-      long relocation, insn;
+      long relocation;
 
       /* Is the address of the relocation really within the section?  */
       if (reloc->address > isection->_cooked_size)