Re: Bug in avr-ld when using templates and generating a map file

[Nick Clifton]

Hi Lars,

> but crashes avr-ld when a link map is requested.
>
>     avr-gcc -mmcu=atmega128 -Wl,-Map,uart2.map uart2.cc -o uart2.bin 

So it does.  How annoying.  It turns out to be an uninitialised memory 
bug and the following patch should fix it.  Let me know if you have any 
problems with it.  Meanwhile I am going to check it into the mainline 
sources.

Cheers
  Nick

ld/ChangeLog
2004-07-21  Nick Clifton  <address@hidden>

        * ldlang.c (init_os): Make sure that the newly allocated
        userdata structure is zeroed out.

Index: ld/ldlang.c
===================================================================
RCS file: /cvs/src/src/ld/ldlang.c,v
retrieving revision 1.157
diff -c -3 -p -r1.157 ldlang.c
*** ld/ldlang.c 19 Jul 2004 16:40:51 -0000      1.157
--- ld/ldlang.c 21 Jul 2004 15:01:49 -0000
*************** init_os (lang_output_section_statement_t
*** 807,812 ****
--- 807,813 ----
      einfo (_("%P%F: Illegal use of `%s' section\n"), 
DISCARD_SECTION_NAME);

    new = stat_alloc (SECTION_USERDATA_SIZE);
+   memset (new, 0, SECTION_USERDATA_SIZE);

    s->bfd_section = bfd_get_section_by_name (output_bfd, s->name);
    if (s->bfd_section == NULL)