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authorSteve Chamberlain <steve@cygnus>1991-08-17 00:17:15 +0000
committerSteve Chamberlain <steve@cygnus>1991-08-17 00:17:15 +0000
commitc618de01c1b069e058af9df808d25bbab0f462dd (patch)
tree8222629db75e0629603eee9cf72d20060dac2c47 /bfd/reloc.c
parent90f3f3e2b046a492b08d8802fd6e2055508b795e (diff)
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Documentation
Diffstat (limited to 'bfd/reloc.c')
-rw-r--r--bfd/reloc.c60
1 files changed, 46 insertions, 14 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 6c10b6e..7e44374 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -1,3 +1,23 @@
+/* BFD support for handling relocation entries.
+ Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Written by Cygnus Support.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
/*doc*
@section Relocations
@@ -24,7 +44,7 @@ particuar section, and fill in the right bits:
#include "bfd.h"
#include "libbfd.h"
/*doc
-*node typedef arelent, Relocations, reloc handling functions, Relocations
+@node typedef arelent, Relocations, reloc handling functions, Relocations
@section typedef arelent
@@ -482,14 +502,14 @@ DEFUN(bfd_perform_relocation,(abfd,
{
/*
Anything which started out as pc relative should end up that
- way too.
-
- There are two ways we can see a pcrel instruction. Sometimes
- the pcrel displacement has been partially calculated, it
- includes the distance from the start of the section to the
- instruction in it (eg sun3), and sometimes the field is
- totally blank - eg m88kbcs.
- */
+ way too.
+
+ There are two ways we can see a pcrel instruction. Sometimes
+ the pcrel displacement has been partially calculated, it
+ includes the distance from the start of the section to the
+ instruction in it (eg sun3), and sometimes the field is
+ totally blank - eg m88kbcs.
+ */
relocation -=
@@ -505,9 +525,9 @@ DEFUN(bfd_perform_relocation,(abfd,
if ( howto->partial_inplace == false) {
/*
This is a partial relocation, and we want to apply the relocation
- to the reloc entry rather than the raw data. Modify the reloc
- inplace to reflect what we now know.
- */
+ to the reloc entry rather than the raw data. Modify the reloc
+ inplace to reflect what we now know.
+ */
reloc_entry->addend = relocation ;
reloc_entry->section = reloc_target_input_section;
if (reloc_target_input_section != (asection *)NULL) {
@@ -521,8 +541,17 @@ DEFUN(bfd_perform_relocation,(abfd,
else
{
/* This is a partial relocation, but inplace, so modify the
- reloc record a bit
- */
+ reloc record a bit.
+
+ If we've relocated with a symbol with a section, change
+ into a ref to the section belonging to the symbol
+ */
+
+ if (symbol != (asymbol *)NULL && reloc_target_input_section != (asection *)NULL)
+ {
+ reloc_entry->section = reloc_target_input_section;
+ reloc_entry->sym_ptr_ptr = (asymbol **)NULL;
+ }
}
}
@@ -602,6 +631,7 @@ DEFUN(bfd_perform_relocation,(abfd,
}
break;
case 3:
+
/* Do nothing */
break;
default:
@@ -610,3 +640,5 @@ DEFUN(bfd_perform_relocation,(abfd,
return flag;
}
+
+