Attachment 306722 Details for Bug 448459 – quick gdb session

quick gdb session

gdb.txt (text/plain), 4.20 KB, created by Tony Breeds on 2008-05-27 03:43:30 UTC

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Creator: Tony Breeds

Created: 2008-05-27 03:43:30 UTC

Size: 4.20 KB

patch

obsolete

>[root@mango ~]# gdb `which prelink` core.24070
>GNU gdb Fedora (6.8-5.fc9)
>Copyright (C) 2008 Free Software Foundation, Inc.
>License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>This is free software: you are free to change and redistribute it.
>There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
>and "show warranty" for details.
>This GDB was configured as "ppc-redhat-linux-gnu"...
>Core was generated by `prelink -av -mR -f'.
>Program terminated with signal 6, Aborted.
>[New process 24070]
>#0  0x10091c70 in raise ()
>(gdb) bt
>#0  0x10091c70 in raise ()
>#1  0x1005c214 in abort ()
>#2  0x10057284 in __assert_fail ()
>#3  0x10009d14 in prelink_exec (info=0xff926318) at exec.c:194
>#4  0x10014574 in prelink (dso=0x106b1658, ent=0x104d5048) at prelink.c:948
>#5  0x10006bf8 in prelink_ent (ent=0x104d5048) at doit.c:132
>#6  0x10006ddc in prelink_all () at doit.c:253
>#7  0x100128d0 in main (argc=4, argv=0xff92a764) at main.c:412
>(gdb) up 5
>#5  0x10006bf8 in prelink_ent (ent=0x104d5048) at doit.c:132
>132           if (prelink (dso, ent))
>(gdb) l
>127         {
>128           if (prelink_prepare (dso))
>129             goto make_unprelinkable;
>130           if (ent->type == ET_DYN && relocate_dso (dso, ent->base))
>131             goto make_unprelinkable;
>132           if (prelink (dso, ent))
>133             goto make_unprelinkable;
>134           if (update_dso (dso, NULL))
>135             {
>136               dso = NULL;
>(gdb) p *dso
>$1 = {elf = 0x10822c28, elfro = 0x0, ehdr = {e_ident = "\177ELF\001\002\001\000\000\000\000\000\000\000\000", e_type = 2, e_machine = 20,
>    e_version = 1, e_entry = 268443568, e_phoff = 52, e_shoff = 25388, e_flags = 0, e_ehsize = 52, e_phentsize = 32, e_phnum = 8, e_shentsize = 40,
>    e_shnum = 30, e_shstrndx = 29}, phdr = 0x106b2508, scn = 0x106b2700, base = 268435456, end = 268526184, align = 65536, mask = 4294967295,
>  info = {0, 761, 624, 268525848, 0, 268439904, 268437184, 268442824, 660, 12, 2434, 16, 268443484, 268456400, 0, 0, 0, 0, 0, 0, 7, 0, 0, 268442860,
>    0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, info_DT_GNU_PRELINKED = 0, info_DT_CHECKSUM = 0, info_DT_VERNEED = 268442680, info_DT_VERDEF = 0,
>  info_DT_VERSYM = 268442338, info_DT_GNU_HASH = 268435848, info_DT_MIPS_LOCAL_GOTNO = 0, info_DT_MIPS_GOTSYM = 0, info_DT_MIPS_SYMTABNO = 0,
>  info_set_mask = 454863562375970798, fd = 3, fdro = 0, lastscn = 10, dynamic = 21, soname = 0x10764098 "/usr/bin/ddjvu",
>  filename = 0x10764098 "/usr/bin/ddjvu", temp_filename = 0x0, arch = 0x101336c0, adjust = 0x0, mdebug_orig_offset = 0, undo = {d_buf = 0x10700e18,
>    d_type = ELF_T_BYTE, d_version = 1, d_size = 1468, d_off = 0, d_align = 4}, nadjust = 0, permissive = 0, move = 0x0, shdr = 0x106b1888}
>(gdb) p *ent
>$2 = {filename = 0x104d5880 "/usr/bin/ddjvu", canon_filename = 0x104e8df8 "/usr/bin/ddjvu", soname = 0x104d4d50 "/usr/bin/ddjvu", hardlink = 0x0,
>  timestamp = 0, checksum = 0, base = 268435456, end = 268526184, layend = 0, pltgot = 268525848, dev = 64769, ino = 1895741, type = 2, done = 0,
>  ndepends = 10, refs = 0, flags = 20, u = {explicit = 0, tmp = 0}, ctime = 1204827005, mtime = 1202056245, depends = 0x10411a40, prev = 0x0,
>  next = 0x0, opd = 0x0}
>(gdb) down
>#4  0x10014574 in prelink (dso=0x106b1658, ent=0x104d5048) at prelink.c:948
>948           if (prelink_exec (&info))
>(gdb) l
>943       if (dso->arch->arch_pre_prelink && dso->arch->arch_pre_prelink (dso))
>944         goto error_out;
>945
>946       if (dso->ehdr.e_type == ET_EXEC)
>947         {
>948           if (prelink_exec (&info))
>949             goto error_out;
>950         }
>951       else if (prelink_dso (&info))
>952         goto error_out;
>(gdb) p info
>$3 = {dso = 0x106b1658, dsos = 0x0, ent = 0x104d5048, symbols = 0x1080e1a0, conflicts = 0x10706340, curconflicts = 0x107063e0, tls = 0x10810b08,
>  curtls = 0x0, sonames = 0x1071cec0, dynbss = 0xf73dd008 "", sdynbss = 0x10759a78 "\017ï¿½\003ï¿½", dynbss_base = 51799990556,
>  sdynbss_base = 268526080, dynbss_size = 8143124, sdynbss_size = 48, symtab_entsize = 16, symbol_count = 170, symtab = 0x107e3340,
>  conflict_rela = 0x10760620, conflict_rela_alloced = 120, conflict_rela_size = 115, symtab_start = 720, symtab_end = 1168,
>  resolve = 0x10012980 <resolve_dso>, resolveent = 0x0, resolvetls = 0x0}
>(gdb) quit
>

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Attachments on bug 448459: 306720 | 306722 | 306723