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readelf: don't crash on absent symtab

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This commit is contained in:
Mikael Pettersson 2020-01-03 21:42:17 +01:00
parent e144176d1c
commit 726098c315
1 changed files with 2 additions and 1 deletions
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3
erlang/apps/readelf/src/readelf.erl
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@ -1,7 +1,7 @@
%%% -*- erlang-indent-level: 2 -*-
%%%
%%% 'readelf' clone for pdp10-elf
%%% Copyright (C) 2013-2019 Mikael Pettersson
%%% Copyright (C) 2013-2020 Mikael Pettersson
%%%
%%% This file is part of pdp10-tools.
%%%
@ -440,6 +440,7 @@ sh_flags([], _I, ShFlags, Mask, Acc) ->
%% print_symtab ================================================================
print_symtab(#options{symbols = false}, _SymTab, _ShNdx, _ShTab) -> ok;
print_symtab(_Opts, _SymTab, ?SHN_UNDEF, _ShTab) -> ok;
print_symtab(_Opts, SymTab, ShNdx, ShTab) ->
Shdr = lists:nth(1 + ShNdx, ShTab),
io:format("Symbol table '~s' in section ~.10b contains ~.10b entries:\n",