Debugging rm-reverse-eta-conversion

gistfile1.txt

nox@Bellcross:~/src/otp/erts/etc/unix[rm-reverse-eta-conversion|REBASE-i 1/3]
$ gdb-x86_64-linux ~/Downloads/beam.smp ~/Downloads/core
GNU gdb (GDB) 7.6.1
Copyright (C) 2013 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 "--host=x86_64-apple-darwin11.4.2 --target=x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /Users/nox/Downloads/beam.smp...done.

warning: exec file is newer than core file.
[New LWP 21990]
[New LWP 21973]
[New LWP 21992]
[New LWP 21977]
[New LWP 21978]
[New LWP 21991]
[New LWP 21979]
[New LWP 21980]
[New LWP 21989]
[New LWP 21981]
[New LWP 21982]
[New LWP 21988]
[New LWP 21983]
[New LWP 21984]
[New LWP 21987]
[New LWP 21985]
[New LWP 21986]

warning: Can't read pathname for load map: Input/output error.

warning: Could not load shared library symbols for 9 libraries, e.g. /lib/libutil.so.1.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
Core was generated by `/ldisk/daily_build/r17a_master-opu_o_hipe_libs.2013-09-17_20/otp_src_R17A/bin/x'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000000005a2939 in patch_funentries (Patchlist=48003528101377) at beam/beam_load.c:5757
5757  beam/beam_load.c: No such file or directory.
(gdb) source etp-commands
%---------------------------------------------------------------------------
% Use etp-help for a command overview and general help.
%
% To use the Erlang support module, the environment variable ROOTDIR
% must be set to the toplevel installation directory of Erlang/OTP,
% so the etp-commands file becomes:
%     $ROOTDIR/erts/etc/unix/etp-commands
% Also, erl and erlc must be in the path.
%---------------------------------------------------------------------------
etp-set-max-depth 20
etp-set-max-string-length 100
--------------- System Information ---------------
OTP release: R17A
ERTS version: 5.11
Compile date: Tue Sep 17 20:52:23 2013
Arch: x86_64-unknown-linux-gnu
Endianess: Little
Word size: 64-bit
Halfword: no
HiPE support: yes
SMP support: yes
Thread support: yes
Kernel poll: Supported but not used
Debug compiled: no
Lock checking: no
Lock counting: no
Node name: nonode@nohost
Number of schedulers: 2
Number of async-threads: 10
--------------------------------------------------
(gdb) bt
#0  0x00000000005a2939 in patch_funentries (Patchlist=48003528101377) at beam/beam_load.c:5757
#1  0x00000000005a2ffa in erts_make_stub_module (p=0x2ba8928c3da0, Mod=611275,
    Beam=48003527901154, Info=48003528104226) at beam/beam_load.c:6001
#2  0x00000000005a3cf3 in code_make_stub_module_3 (A__p=0x2ba8928c3da0, BIF__ARGS=0x2ba8921c00c0)
    at beam/beam_bif_load.c:92
#3  0x00000000005840c6 in process_main () at beam/beam_emu.c:2579
#4  0x00000000004c511f in sched_thread_func (vesdp=0x2ba891c73fc0) at beam/erl_process.c:5801
#5  0x0000000000669c93 in thr_wrapper (vtwd=0x7fffa4ca6280) at pthread/ethread.c:106
#6  0x00002ba890e0a9ca in ?? ()
#7  0x00002ba8b1f1e700 in ?? ()
#8  0x0000000000000000 in ?? ()
(gdb) frame 0
#0  0x00000000005a2939 in patch_funentries (Patchlist=48003528101377) at beam/beam_load.c:5757
5757	in beam/beam_load.c
(gdb) info locals
MFA = 48003527990818
Mod = 611275
native_address = 1079769844
Info = 48003527990786
tuple = 48003528101394
listp = 0x2ba8b13d8e30
Addresses = 48003528099793
tp = 0x2ba8b13bde20
fe = 0x0
index = 2
uniq = 127648029
(gdb) etp Mod
erl_prettypr.
(gdb) etp Info
{{erl_prettypr,lay,2},127648029,2}.
(gdb) frame 2
#2  0x00000000005a3cf3 in code_make_stub_module_3 (A__p=0x2ba8928c3da0, BIF__ARGS=0x2ba8921c00c0)
    at beam/beam_bif_load.c:92
92	beam/beam_bif_load.c: No such file or directory.
(gdb) etp BIF__ARGS[2]
{[{module_info,1,1079742436},{module_info,0,1079742452},{tidy_float_2,1,1079742464},{tidy_float_1,1,1079743060},{tidy_float,1,1079743420},{spaces,1,1079743828},{vertical_sep,2,1079744064},{vertical,1,1079744208},{maybe_append,2,1079744316},{seq,4,1079744412},{lay_concrete,2,1079745208},{lay_error_info,2,1079745288},{lay_bit_types,2,1079746084},{append_guard,3,1079746320},{append_clause_body,4,1079746608},{append_rule_body,3,...},{append_clause_body,...},{...},...],[{{{erl_prettypr,lay,2},127648029,1},[{1079762065,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,2},[{1079757187,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,3},[{1079757405,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,4},[{1079766808,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,5},[{1079767798,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,6},[{1079764201,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,7},[{1079754854,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,8},[{1079761514,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,9},[{1079755675,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,10},[{1079754524,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,11},[{1079754191,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,12},[{1079761042,load_fe}],1079769844},{{{erl_prettypr,lay,2},127648029,13},[{1079759194,load_fe}],1079769844},{{{erl_prettypr,lay,...},127648029,14},[{1079758862,...}],1079769844},{{{erl_prettypr,...},127648029,...},[{...}],1079769844},{{{...},...},[...],...},{{...},...},{...},...]}.