[avr-libc-dev] [bug #26995] .fuses and .bss overlap on the elf file

[Joerg Wunsch]

Update of bug #26995 (project avr-libc):

                  Status:                    None => Need Info              

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Follow-up Comment #1:

Not confirmed:


$ cat bar.c
#include <avr/io.h>

FUSES =
{
.low = LFUSE_DEFAULT,
.high = HFUSE_DEFAULT,
.extended = EFUSE_DEFAULT
};

int foo;

int
main(void)
{
  foo = 42;
  return 0;
}
$ avr-gcc -Os -Wall -std=c99 -mcall-prologues -mmcu=atmega168 -o bar.elf
bar.c
$ avr-objdump -h bar.elf

bar.elf:     file format elf32-avr

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         000000a6  00000000  00000000  00000094  2**1
                  CONTENTS, ALLOC, LOAD, READONLY, CODE
  1 .bss          00000002  00800100  00800100  0000013a  2**0
                  ALLOC
  2 .fuse         00000003  00820000  00820000  0000013a  2**0
                  CONTENTS, ALLOC, LOAD, DATA
  3 .stab         000006b4  00000000  00000000  00000140  2**2
                  CONTENTS, READONLY, DEBUGGING
  4 .stabstr      00000054  00000000  00000000  000007f4  2**0
                  CONTENTS, READONLY, DEBUGGING
$ avr-objdump -j .fuse -s bar.elf

bar.elf:     file format elf32-avr

Contents of section .fuse:
 820000 62dff9                               b..


Please provide a full example that can reproduce the bug.

Btw., the location of your -lm option on the command-line makes it
have zero effect to the linker.


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