elf loader is broken

To: oskit-users@fast.cs.utah.edu
Subject: elf loader is broken
From: neal@cs.uml.edu (Neal H. Walfield)
Date: 05 Jul 2002 16:39:43 +0200
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Sender: owner-oskit-users@fast.cs.utah.edu
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The elf standard says that elf executables must be extracted to the
physical load address, not the virtual memory address.  This is not
done in oskit/exec/elf.c--at least in the version released on March
17, 2002; I have attached a patch.


--- elf.c.orig  Fri Jul  5 16:18:46 2002
+++ elf.c       Fri Jul  5 16:18:59 2002
@@ -95,7 +95,7 @@ int exec_load_elf(exec_read_func_t *read
                        if (ph->p_flags & PF_X) type |= EXEC_SECTYPE_EXECUTE;
                        result = (*read_exec)(handle,
                                              ph->p_offset, ph->p_filesz,
-                                             ph->p_vaddr, ph->p_memsz, type);
+                                             ph->p_paddr, ph->p_memsz, type);
                }
        }

Follow-Ups:

Re: elf loader is broken

From: Gopalakrishnan Suresh <gsuresh@research.bell-labs.com>