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Stop the ARC disassembler from seg-faulting if initialised without a BFD present.

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* arc-dis.c (arc_get_disassembler): Accept a null bfd gracefully.
This commit is contained in:
Anton Kolesov
2016-09-14 12:20:13 +01:00
committed by Nick Clifton
parent 29063f8bfb
commit dce084426d
2 changed files with 12 additions and 3 deletions
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4
opcodes/ChangeLog
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@ -1,3 +1,7 @@
2016-09-14 Anton Kolesov <Anton.Kolesov@synopsys.com>
* arc-dis.c (arc_get_disassembler): Accept a null bfd gracefully.
2016-09-12 Andreas Krebbel <krebbel@linux.vnet.ibm.com> 2016-09-12 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* s390-mkopc.c (main): Support alternate arch strings. * s390-mkopc.c (main): Support alternate arch strings.

7
opcodes/arc-dis.c
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@ -1238,11 +1238,16 @@ print_insn_arc (bfd_vma memaddr,
disassembler_ftype disassembler_ftype
arc_get_disassembler (bfd *abfd) arc_get_disassembler (bfd *abfd)
{ {
/* Read the extenssion insns and registers, if any. */ /* BFD my be absent, if opcodes is invoked from the debugger that
has connected to remote target and doesn't have an ELF file. */
if (abfd != NULL)
{
/* Read the extension insns and registers, if any. */
build_ARC_extmap (abfd); build_ARC_extmap (abfd);
#ifdef DEBUG #ifdef DEBUG
dump_ARC_extmap (); dump_ARC_extmap ();
#endif #endif
}
return print_insn_arc; return print_insn_arc;
} }