[Bug ld/12161] Unconforming ELF file causes SIGSEGV in avr-ld
http://sourceware.org/bugzilla/show_bug.cgi?id=12161
--- Comment #11 from Pitchumani 2012-01-05
07:21:02 UTC ---
(In reply to comment #10)
> Hi Pitchumani,
>
> Please try out the uploaded patch ("Load relocs if necessary") and let me
> know if you have any problems with it.
>
> Cheers
> Nick
This change solves the issue.
Thanks
Pitchumani
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[Bug ld/13561] New: AIX link failure: RLD address not contained in section
http://sourceware.org/bugzilla/show_bug.cgi?id=13561
Bug #: 13561
Summary: AIX link failure: RLD address not contained in section
Product: binutils
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sourceware.org
ReportedBy: ka5427-...@online.de
Classification: Unclassified
Created attachment 6146
--> http://sourceware.org/bugzilla/attachment.cgi?id=6146
Objects, Sources, Makefile
We are trying to use 'partial linking' to reduce the size of the resulting
binary. But it seems that the
object file produced by the partial link step is somehow corrupted. The AIX
linker complains with
ld: 0711-547 SEVERE ERROR: Object partial.o cannot be processed.
RLD address 0x1364 for section 2 (.data) is
not contained in the section.
collect2: ld returned 12 exit status
Source files:
sandbox@rs6k> cat main.cpp
int main() {
return 0;
}
sandbox@rs6k> cat foo.cpp
#include
void foo() {
std::auto_ptr p1(new int);
}
sandbox@rs6k> cat bar.cpp
#include
void bar() {
std::auto_ptr p1(new int);
}
build steps:
g++ -fPIC -o foo.o -c foo.cpp
g++ -fPIC -o bar.o -c bar.cpp
# now the partial link step ...
gnu-ld -r -o partial.o foo.o bar.o
g++-c -o main.o main.cpp
# now the final link step fails ...
g++ -o demo main.o partial.o
# ... fails with an error message from the AIX linker:
ld: 0711-547 SEVERE ERROR: Object partial.o cannot be processed.
RLD address 0x1364 for section 2 (.data) is
not contained in the section.
collect2: ld returned 12 exit status
version information:
g++ --version
g++ (GCC) 4.5.3
gnu-ld --version
GNU ld (GNU Binutils) 2.22.51.20111212
AIX Linker: ld -V
ld: LD 1.65.2.6 (2/24/09)
AIX OS: oslevel -s
5300-03-CSP-
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[Bug ld/12161] Unconforming ELF file causes SIGSEGV in avr-ld
http://sourceware.org/bugzilla/show_bug.cgi?id=12161
Nick Clifton changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Resolution|FIXED |
--- Comment #10 from Nick Clifton 2012-01-04 17:09:07
UTC ---
Hi Pitchumani,
Please try out the uploaded patch ("Load relocs if necessary") and let me
know if you have any problems with it.
Cheers
Nick
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[Bug ld/12161] Unconforming ELF file causes SIGSEGV in avr-ld
http://sourceware.org/bugzilla/show_bug.cgi?id=12161 --- Comment #9 from Nick Clifton 2012-01-04 17:08:05 UTC --- Created attachment 6145 --> http://sourceware.org/bugzilla/attachment.cgi?id=6145 Load relocs if necessary -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug binutils/13560] New: DWARF2 .debug_info section not found if placed after .debug_line and .debug_abbrev sections
http://sourceware.org/bugzilla/show_bug.cgi?id=13560
Bug #: 13560
Summary: DWARF2 .debug_info section not found if placed after
.debug_line and .debug_abbrev sections
Product: binutils
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: binutils
AssignedTo: unassig...@sourceware.org
ReportedBy: lionel.am...@cegetel.net
Classification: Unclassified
Created attachment 6144
--> http://sourceware.org/bugzilla/attachment.cgi?id=6144
dcc DWARF2 object file
Hi,
I am generating powerpc code with dcc (aka Wind River diab compiler) version
5.6.1.0.
Resulting sections list is like this one :
readelfppc -S toto.o
There are 12 section headers, starting at offset 0x1a98:
Section Headers:
[Nr] Name TypeAddr OffSize ES Flg Lk Inf
Al
[ 0] NULL 00 00 00 0 0
0
[ 1] .text PROGBITS 38 00037c 00 AX 0 0
4
[ 2] .debug_line NOTE 0003b8 ed 00 0 0
1
[ 3] .debug_abbrev NOTE 0004a8 a9 00 0 0
1
[ 4] .debug_info NOTE 000558 0007a4 00 0 0
1
[ 5] .debug_frame PROGBITS 000d00 2c 00 0 0
1
[ 6] .strtab STRTAB 000d30 000346 00 0 0
1
[ 7] .symtab SYMTAB 001078 0001c0 10 6 10
1
[ 8] .rela.textRELA 001238 0004ec 0c 7 1
1
[ 9] .rela.debug_info RELA 001728 00033c 0c 7 4
1
[10] .rela.debug_frame RELA 001a68 18 0c 7 5
1
[11] .rela.debug_line RELA 001a80 18 0c 7 2
1
I cannot strip debug information from it (recompiled binutils 2.22 package on
cygwin) :
strip-new -v -S toto.o
copy from `toto.o' [elf32-powerpc] to `st3A03Ru' [elf32-powerpc]
BFD: st3A03Ru: symbol `.debug_info' required but not present
This message comes from :
./bfd/elf.c:5324: (_("%B: symbol `%s' required but not present"),
If I list sections from one gcc 4.0.4 sun/solaris object (also a DWARF2
object), I get these list/order of sections :
readelfppc -S asc2bin.o
There are 18 section headers, starting at offset 0xe0c:
Section Headers:
[Nr] Name TypeAddr OffSize ES Flg Lk Inf
Al
[ 0] NULL 00 00 00 0 0
0
[ 1] .shstrtab STRTAB 34 da 00 0 0
1
[ 2] .text PROGBITS 000110 0003c8 00 AX 0 0
4
[ 3] .rodata PROGBITS 0004d8 28 00 A 0 0
8
[ 4] .compcom PROGBITS 000500 22 00 0 0
8
[ 5] .debug_info PROGBITS 000522 000358 01 0 0
1
[ 6] .debug_line PROGBITS 00087a ba 01 0 0
1
[ 7] .debug_abbrev PROGBITS 000934 b4 01 0 0
1
[ 8] .debug_pubnames PROGBITS 0009e8 1c 01 0 0
1
[ 9] .debug_typenames PROGBITS 000a04 34 01 0 0
1
[10] .symtab SYMTAB 000a38 000160 10 A 11 12
4
[11] .strtab STRTAB 000b98 55 00 A 0 0
1
[12] .rela.textRELA 000bf0 f0 0c A 10 2
4
[13] .rela.debug_info RELA 000ce0 30 0c A 10 5
4
[14] .rela.debug_line RELA 000d10 0c 0c A 10 6
4
[15] .rela.debug_pubna RELA 000d1c 0c 0c A 10 8
4
[16] .rela.debug_typen RELA 000d28 0c 0c A 10 9
4
[17] .comment PROGBITS 000d34 d8 00 0 0
1
I suspect that dcc objects not having .debug_info section as the first .debug*
one are preventing binutils from finding it correctly.
I cannot try my 'compiled' strip-new.exe command on it as my exe does not
handle elf32-sparc files type.
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[Bug ld/12161] Unconforming ELF file causes SIGSEGV in avr-ld
http://sourceware.org/bugzilla/show_bug.cgi?id=12161
Pitchumani changed:
What|Removed |Added
CC||pitchumani.s at atmel dot
||com
--- Comment #8 from Pitchumani 2012-01-04
12:49:51 UTC ---
(In reply to comment #7)
> Hi Guys,
>
> I have decided to go ahead and check this patch in. Please reopen this PR
> if
> the problem resurfaces.
>
> Cheers
> Nick
Hi Nick,
Function 'elf32_avr_check_relocs(elf32-avr.c)' is referred in elflink.c:4801
(-- snip from elflink.c --)
4799 if (! dynamic
4800 && is_elf_hash_table (htab)
4801 && bed->check_relocs != NULL
4802 && elf_object_id (abfd) == elf_hash_table_id (htab)
4803 && (*bed->relocs_compatible) (abfd->xvec, info->output_bfd->xvec))
(-- snip end --)
As 'bed->check_relocs' is NULL in 2.22, code that follows this check not
executed.
This caused a segmentation fault (NULL pointer access) in elf32-avr.c:1528.
Test case:
-- c source --
void func2(int a) { }
void func1(void)
{
func2(10);
}
int main(void)
{
func1();
}
-- c source --
command line options:
avr-gcc segfault.c -ffunction-sections -mmcu=atmega128 -c -o segfault.o
avr-ld segfault.o -m avr51 -relax
Please correct if I am missing something.
Thanks,
Pitchumani
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