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Re: SIGSEGV in ld at elflink.h:5500
- From: "H. J. Lu" <hjl at lucon dot org>
- To: John David Anglin <dave at hiauly1 dot hia dot nrc dot ca>
- Cc: Alan Modra <amodra at bigpond dot net dot au>, binutils at sources dot redhat dot com
- Date: Tue, 16 Jul 2002 14:04:22 -0700
- Subject: Re: SIGSEGV in ld at elflink.h:5500
- References: <20020716023427.GD30362@bubble.sa.bigpond.net.au> <200207161916.g6GJGjoc026412@hiauly1.hia.nrc.ca>
On Tue, Jul 16, 2002 at 03:16:44PM -0400, John David Anglin wrote:
> I started trying to get dwarf2 eh working on hppa64-hp-hpux. I am
> seeing a segmentation fault in gld linking the libstdc++-v3 shared
> library. This is the section data which causes the fault:
>
> (gdb) p *s
> $2 = {name = 0x8000000000240035 ".gnu.linkonce.t._ZTv0_n24_NSdD1Ev", id = 478,
> index = 46, next = 0x8000000000246900, flags = 1049143, user_set_vma = 1,
> reloc_done = 0, linker_mark = 0, linker_has_input = 0, gc_mark = 0,
> segment_mark = 0, vma = 0, lma = 0, _cooked_size = 56, _raw_size = 56,
> output_offset = 0, output_section = 0x8000000000005340, alignment_power = 3,
> relocation = 0x0, orelocation = 0x0, reloc_count = 1, filepos = 127080,
> rel_filepos = 204960, line_filepos = 0, userdata = 0x0, contents = 0x0,
> lineno = 0x0, lineno_count = 0, entsize = 0, comdat = 0x0,
> moving_line_filepos = 0, target_index = 0, used_by_bfd = 0x8000000000247698,
> constructor_chain = 0x0, owner = 0x80000000000d7998,
> symbol = 0x8000000000247638, symbol_ptr_ptr = 0x80000000002468c8,
> link_order_head = 0x0, link_order_tail = 0x0}
> (gdb) p *s->output_section
> $3 = {name = 0x40000000000b0550 "*ABS*", id = 2, index = 0, next = 0x0,
> flags = 0, user_set_vma = 0, reloc_done = 0, linker_mark = 0,
> linker_has_input = 0, gc_mark = 1, segment_mark = 0, vma = 0, lma = 0,
> _cooked_size = 0, _raw_size = 0, output_offset = 0,
> output_section = 0x8000000000005340, alignment_power = 0, relocation = 0x0,
> orelocation = 0x0, reloc_count = 0, filepos = 0, rel_filepos = 0,
> line_filepos = 0, userdata = 0x0, contents = 0x0, lineno = 0x0,
> lineno_count = 0, entsize = 0, comdat = 0x0, moving_line_filepos = 0,
> target_index = 0, used_by_bfd = 0x0, constructor_chain = 0x0, owner = 0x0,
> symbol = 0x80000000000050d8, symbol_ptr_ptr = 0x8000000000005338,
> link_order_head = 0x0, link_order_tail = 0x0}
>
> This is the code that faults:
>
> sym.st_shndx =
> elf_section_data (s->output_section)->this_idx;
>
> The "elf_section_data" macro returns a null pointer.
>
> Anybody got any ideas on what's causing this?
Sounds similar to
http://sources.redhat.com/ml/binutils/2002-06/msg00047.html
I had to make
http://sources.redhat.com/ml/binutils/2002-06/msg00111.html
H.J.