Re: Skipping unexec via a big .elc file

[Robert Pluim]

Ken Raeburn <address@hidden> writes:

> Branch scratch/raeburn-startup deleted and re-pushed.
>
> In addition to the changes I mentioned earlier, I found an unnecessary
> memset in the face reinitialization code that could go, and an
> initialization form was being emitted that tried to incorporate the
> obarray by value (which wouldn’t work because the symbol chains don’t
> all get dumped); omitting the latter for now cuts the file size a
> percent or so.

Hmm, it crashes for me when doing a bootstrap on GNU/Linux Mint (based
on Ubuntu 16.04)

/bin/bash: line 1: 21979 Aborted                 EMACSLOADPATH= '../src/emacs' 
-batch --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)' -f 
batch-byte-compile calc/calcalg2.el
Makefile:282: recipe for target 'calc/calcalg2.elc' failed

Backtrace (this is compiled -ggdb -O0 with gcc 5.4.0)

(gdb) bt
#0  terminate_due_to_signal (sig=6, backtrace_limit=40) at emacs.c:367
#1  0x00000000005866d3 in emacs_abort () at sysdep.c:2337
#2  0x000000000057100d in unblock_input_to (level=-1) at keyboard.c:7170
#3  0x0000000000571024 in unblock_input () at keyboard.c:7186
#4  0x0000000000639605 in read1 (readcharfun=25152, pch=0x7fffffff719c, 
first_in_list=false) at lread.c:3446
#5  0x000000000063a906 in read_list (flag=false, readcharfun=25152) at 
lread.c:3928
#6  0x00000000006371e9 in read1 (readcharfun=25152, pch=0x7fffffff7514, 
first_in_list=false) at lread.c:2629
#7  0x0000000000636336 in read0 (readcharfun=25152) at lread.c:2210
#8  0x00000000006361fb in read_internal_start (stream=25152, start=0, end=0) at 
lread.c:2176
#9  0x0000000000635ef2 in Fread (stream=25152) at lread.c:2110
#10 0x000000000060748d in Ffuncall (nargs=2, args=0x7fffffff76b0) at eval.c:2715
#11 0x0000000000606d54 in call1 (fn=39792, arg1=25152) at eval.c:2574
#12 0x00000000006358a5 in readevalloop (readcharfun=25152, stream=0x19bc7a0, 
sourcename=26993220, printflag=false, 
    unibyte=0, readfun=0, start=0, end=0) at lread.c:1958
#13 0x0000000000633fed in Fload (file=10190276, noerror=0, nomessage=45216, 
nosuffix=0, must_suffix=45216)
    at lread.c:1367
#14 0x00000000006136d9 in Frequire (feature=4534752, filename=0, noerror=0) at 
fns.c:2894
#15 0x0000000000607516 in Ffuncall (nargs=2, args=0x7fffffff7ae8) at eval.c:2722
#16 0x000000000064e9ef in exec_byte_code (bytestr=26973012, vector=22861437, 
maxdepth=10, args_template=0, nargs=0, 
    args=0x0) at bytecode.c:639
#17 0x000000000064dd56 in Fbyte_code (bytestr=26973012, vector=22861437, 
maxdepth=10) at bytecode.c:319
#18 0x0000000000605f02 in eval_sub (form=26933523) at eval.c:2194
#19 0x00000000006359c3 in readevalloop (readcharfun=25152, stream=0x18c7190, 
sourcename=26972436, printflag=false, 
    unibyte=0, readfun=0, start=0, end=0) at lread.c:1980
#20 0x0000000000633fed in Fload (file=26802292, noerror=0, nomessage=45216, 
nosuffix=0, must_suffix=45216)
    at lread.c:1367
#21 0x00000000006136d9 in Frequire (feature=13579232, filename=0, noerror=0) at 
fns.c:2894
#22 0x0000000000607516 in Ffuncall (nargs=2, args=0x7fffffff8518) at eval.c:2722
#23 0x00000000006063fa in Fapply (nargs=2, args=0x7fffffff8518) at eval.c:2300
#24 0x000000000060735d in Ffuncall (nargs=3, args=0x7fffffff8510) at eval.c:2695
#25 0x000000000064e9ef in exec_byte_code (bytestr=25727860, vector=22453597, 
maxdepth=38, args_template=1030, 
    nargs=1, args=0x7fffffff8a78) at bytecode.c:639
#26 0x0000000000607dd8 in funcall_lambda (fun=22453765, nargs=1, 
arg_vector=0x7fffffff8a70) at eval.c:2879
#27 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffff8a68) at eval.c:2764
#28 0x000000000064e9ef in exec_byte_code (bytestr=25715156, vector=22445469, 
maxdepth=18, args_template=1030, 
    nargs=1, args=0x7fffffff8f60) at bytecode.c:639
#29 0x0000000000607dd8 in funcall_lambda (fun=22445517, nargs=1, 
arg_vector=0x7fffffff8f58) at eval.c:2879
#30 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffff8f50) at eval.c:2764
#31 0x000000000064e9ef in exec_byte_code (bytestr=25714756, vector=22445325, 
maxdepth=22, args_template=1030, 
    nargs=1, args=0x7fffffff9438) at bytecode.c:639
#32 0x0000000000607dd8 in funcall_lambda (fun=22445373, nargs=1, 
arg_vector=0x7fffffff9430) at eval.c:2879
#33 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffff9428) at eval.c:2764
#34 0x000000000064e9ef in exec_byte_code (bytestr=17023828, vector=22255765, 
maxdepth=42, args_template=2058, 
    nargs=2, args=0x7fffffff9948) at bytecode.c:639
#35 0x0000000000607dd8 in funcall_lambda (fun=22255869, nargs=2, 
arg_vector=0x7fffffff9938) at eval.c:2879
#36 0x00000000006077ae in Ffuncall (nargs=3, args=0x7fffffff9930) at eval.c:2764
#37 0x000000000064e9ef in exec_byte_code (bytestr=25714692, vector=22433525, 
maxdepth=18, args_template=1030, 
    nargs=1, args=0x7fffffff9e08) at bytecode.c:639
#38 0x0000000000607dd8 in funcall_lambda (fun=22445421, nargs=1, 
arg_vector=0x7fffffff9e00) at eval.c:2879
#39 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffff9df8) at eval.c:2764
#40 0x000000000064e9ef in exec_byte_code (bytestr=25699108, vector=22436957, 
maxdepth=22, args_template=1030, 
    nargs=1, args=0x7fffffffa330) at bytecode.c:639
#41 0x0000000000607dd8 in funcall_lambda (fun=22433429, nargs=1, 
arg_vector=0x7fffffffa328) at eval.c:2879
#42 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffffa320) at eval.c:2764
#43 0x000000000064e9ef in exec_byte_code (bytestr=25698596, vector=22437133, 
maxdepth=66, args_template=1030, 
    nargs=1, args=0x7fffffffa978) at bytecode.c:639
#44 0x0000000000607dd8 in funcall_lambda (fun=22433477, nargs=1, 
arg_vector=0x7fffffffa970) at eval.c:2879
#45 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffffa968) at eval.c:2764
#46 0x000000000064e9ef in exec_byte_code (bytestr=25677076, vector=22432581, 
maxdepth=66, args_template=2054, 
    nargs=1, args=0x7fffffffb030) at bytecode.c:639
#47 0x0000000000607dd8 in funcall_lambda (fun=22429357, nargs=1, 
arg_vector=0x7fffffffb028) at eval.c:2879
#48 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffffb020) at eval.c:2764
#49 0x000000000064e9ef in exec_byte_code (bytestr=25918004, vector=19599701, 
maxdepth=34, args_template=1030, 
    nargs=1, args=0x7fffffffb578) at bytecode.c:639
#50 0x0000000000607dd8 in funcall_lambda (fun=19599829, nargs=1, 
arg_vector=0x7fffffffb570) at eval.c:2879
#51 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffffb568) at eval.c:2764
#52 0x000000000064e9ef in exec_byte_code (bytestr=25917348, vector=20758333, 
maxdepth=42, args_template=1026, 
    nargs=0, args=0x7fffffffbb58) at bytecode.c:639
#53 0x0000000000607dd8 in funcall_lambda (fun=20758493, nargs=0, 
arg_vector=0x7fffffffbb58) at eval.c:2879
#54 0x00000000006077ae in Ffuncall (nargs=1, args=0x7fffffffbb50) at eval.c:2764
#55 0x000000000064e9ef in exec_byte_code (bytestr=10932540, vector=10932573, 
maxdepth=94, args_template=1030, 
    nargs=1, args=0x7fffffffc4e8) at bytecode.c:639
#56 0x0000000000607dd8 in funcall_lambda (fun=10932493, nargs=1, 
arg_vector=0x7fffffffc4e0) at eval.c:2879
#57 0x00000000006077ae in Ffuncall (nargs=2, args=0x7fffffffc4d8) at eval.c:2764
#58 0x000000000064e9ef in exec_byte_code (bytestr=10909516, vector=10909549, 
maxdepth=86, args_template=2, nargs=0, 
    args=0x7fffffffd108) at bytecode.c:639
#59 0x0000000000607dd8 in funcall_lambda (fun=10909469, nargs=0, 
arg_vector=0x7fffffffd108) at eval.c:2879
#60 0x00000000006077ae in Ffuncall (nargs=1, args=0x7fffffffd100) at eval.c:2764
#61 0x000000000064e9ef in exec_byte_code (bytestr=10905556, vector=10905589, 
maxdepth=50, args_template=2, nargs=0, 
    args=0x7fffffffd6f0) at bytecode.c:639
#62 0x0000000000607dd8 in funcall_lambda (fun=10905509, nargs=0, 
arg_vector=0x7fffffffd6f0) at eval.c:2879
#63 0x0000000000607b46 in apply_lambda (fun=10905509, args=0, count=4) at 
eval.c:2816
#64 0x000000000060607e in eval_sub (form=19109027) at eval.c:2233
#65 0x0000000000605572 in Feval (form=19109027, lexical=0) at eval.c:2010
#66 0x00000000005644f6 in top_level_2 () at keyboard.c:1127
#67 0x0000000000603fbd in internal_condition_case (bfun=0x5644d3 <top_level_2>, 
handlers=19536, 
    hfun=0x563f70 <cmd_error>) at eval.c:1314
#68 0x0000000000564537 in top_level_1 (ignore=0) at keyboard.c:1135
#69 0x00000000006038cc in internal_catch (tag=46608, func=0x5644f8 
<top_level_1>, arg=0) at eval.c:1080
#70 0x000000000056442b in command_loop () at keyboard.c:1096
#71 0x0000000000563b55 in recursive_edit_1 () at keyboard.c:703
#72 0x0000000000563ccc in Frecursive_edit () at keyboard.c:774
#73 0x0000000000561951 in main (argc=9, argv=0x7fffffffdc38) at emacs.c:1698

Lisp Backtrace:
"read" (0xffff76b8)
"require" (0xffff7af0)
"byte-code" (0xffff7f20)
"require" (0xffff8520)
"apply" (0xffff8518)
"byte-compile-file-form-require" (0xffff8a70)
"byte-compile-file-form" (0xffff8f58)
0x1567d38 PVEC_COMPILED
"byte-compile-recurse-toplevel" (0xffff9938)
"byte-compile-toplevel-file-form" (0xffff9e00)
0x1564e90 PVEC_COMPILED
"byte-compile-from-buffer" (0xffffa970)
"byte-compile-file" (0xffffb028)
"batch-byte-compile-file" (0xffffb570)
"batch-byte-compile" (0xffffbb58)
"command-line-1" (0xffffc4e0)
"command-line" (0xffffd108)
"normal-top-level" (0xffffd6f0)
(gdb)