[Bug ld/6478] stab warnings cause linker errors
--- Additional Comments From nickc at redhat dot com 2008-05-06 08:40 --- Hi Vincent, I just tried your testcase with an i386-pc-netbsdaout toolchain built from the latest mainline binutils sources. First of all, there appears to be a typo in your description. You say: "Further strangeness comes if we convert a.o into ELF, too", but I think that you mean "...convert b.o..." as a.o has already been converted. Secondly - I do not get the problem you report when both files have been converted to ELF: % gas/as-new a.s -o a.o % gas/as-new b.s -o b.o % binutils/objcopy a.o a.elf.o -O elf32-i386 BFD: a.elf.o: warning: allocated section `.text' not in segment % binutils/objcopy b.o b.elf.o -O elf32-i386 BFD: b.elf.o: warning: allocated section `.text' not in segment % ld/ld-new a.elf.o b.elf.o % (Note: the linker did not display the stab warning text as a warning message in this case. This is probably a bug, although it may count as a "feature" if it is because it is very hard to translate aout stabs warning messages into ELF format). I did get the error message about the undefined reference to _f when attempting to link a.elf.o and b.o, so I am going to look into that. But in the meantime I would appreciate it if you could try re-running your testcase with an up to date toolchain to see if you encounter the same behaviour as I did. Cheers Nick -- What|Removed |Added Status|NEW |WAITING http://sourceware.org/bugzilla/show_bug.cgi?id=6478 --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/2834] Linker reports error "X referenced in section '.rodata' of foo.o: defined in discarded section X of foo.o" with g++ 3.3
--- Additional Comments From bert dot barbe at oracle dot com 2008-05-06 11:44 --- We see the same problem with ld 2.17 . The problem is as said , that there is code that is/ needs to be compiled with unfixed gcc compilers and it won't relink on systems with newer binutils (eg rhel5). Also binutils 2.15 was patched to compensate for this gcc behavior, see http://sources.redhat.com/bugzilla/show_bug.cgi?id=233 -- http://sourceware.org/bugzilla/show_bug.cgi?id=2834 --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/6478] stab warnings cause linker errors
--- Additional Comments From vincent dot riviere at freesbee dot fr 2008-05-06 20:52 --- Hi, Nick. I agree with you on the 2 points. 1) Shame on me, there is effectively a typo near the end, it shoud be read: Further strangeness comes if we convert b.o into ELF, too. $ objcopy b.o b-elf.o -O elf32-i386 BFD: b-elf.o: warning: allocated section `.text' not in segment 2) I've just compiled the latest binutils snapshot, linking the 2 converted ELF files success (unlike 2.18). I noticed some changes between the versions. Let say that b-218.o is generated by gas 2.18, and b-cvs is generated by the latest gas from CVS. $ objdump -t b-218.o b-218.o: file format a.out-i386-netbsd SYMBOL TABLE: W d *ABS* 00 1e a linker warning g *ABS* 00 03 _f g .text 00 05 _f $ objdump -t b-cvs.o b-cvs.o: file format a.out-i386-netbsd SYMBOL TABLE: W d *ABS* 00 1e a linker warning *UND* 00 01 _f g .text 00 05 _f We can notice that the symbol referred by the warning was *ABS* and is now *UND*. The behavior has changed... anyway it doesn't matter. That difference is kept after the conversion into ELF : $ objdump -t b-218-elf.o b-218-elf.o: file format elf32-i386 SYMBOL TABLE: l *ABS* a linker warning ld .text .text 0008 ld .data .data 0008 ld .bss .bss g *ABS* _f g .text _f $ objdump -t b-cvs-elf.o b-cvs-elf.o: file format elf32-i386 SYMBOL TABLE: l *ABS* a linker warning ld .text .text 0008 ld .data .data 0008 ld .bss .bss *UND* _f g .text _f This may explain that the multiple definition problem has gone. However, I'm quite surprised when I look at the b-cvs-elf.o symbol table : the _f symbol is both undefined and defined in the .text segment ! The first _f is probably the symbol related to the warning, however now it is not just after the warning, there are the section symbols between them, now. This was about the strange things. However the undefined reference problem is still here. We have together the same results with the latest binutils, that's some kind of good news ;-) -- What|Removed |Added Status|WAITING |NEW http://sourceware.org/bugzilla/show_bug.cgi?id=6478 --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug binutils/6483] New: objdump -g does not understand the debug info
Using the M68K RTEMS 4.9 tool set from the RTEMS repo installed with yum the following occurs for the m68k target: $ m68k-rtems4.9-gcc -g -c -o hello.o hello.c $ m68k-rtems4.9-objdump -g hello.o hello.o: file format elf32-m68k m68k-rtems4.9-objdump: hello.o: no recognized debugging information The object file can be linked into an RTEMS application that can be debugged with gdb and objdump can disassemble the object with source. The objdump -W displays the DWARF info. The RTEMS tools can be located here: http://www.rtems.org/wiki/index.php/APT/Yum_Repository -- Summary: objdump -g does not understand the debug info Product: binutils Version: 2.18 Status: NEW Severity: normal Priority: P2 Component: binutils AssignedTo: unassigned at sources dot redhat dot com ReportedBy: chrisj at rtems dot org CC: bug-binutils at gnu dot org GCC build triplet: x86_64-redhat-linux-gnu GCC host triplet: x86_64-redhat-linux-gnu GCC target triplet: m68k-unknown-rtems4.9 http://sourceware.org/bugzilla/show_bug.cgi?id=6483 --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug binutils/6483] objdump -g does not understand the debug info
--- Additional Comments From chrisj at rtems dot org 2008-05-07 06:08 --- Created an attachment (id=2724) --> (http://sourceware.org/bugzilla/attachment.cgi?id=2724&action=view) Test case with command line instructions. -- http://sourceware.org/bugzilla/show_bug.cgi?id=6483 --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug gold/6049] gold is lacking option -u SYMBOL
--- Additional Comments From ian at airs dot com 2008-05-07 06:13 --- This is now fixed in the development sources. Thanks for reporting it. -- What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED http://sourceware.org/bugzilla/show_bug.cgi?id=6049 --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
