[ruby-dev:15819] Re: racc fails on alpha-freebsd
From:
Minero Aoki <aamine@...>
Date:
2002-01-31 03:53:04 UTC
List:
ruby-dev #15819
あおきです。
In mail "[ruby-dev:15812] Re: racc fails on alpha-freebsd"
matz@ruby-lang.org (Yukihiro Matsumoto) wrote:
> まつもと ゆきひろです
> |Racc が Alpha で落ちるという話の続きですが、完全なスタック
> |トレースをいただけたので張り付けます。なにかわかるでしょうか？
>
> これ？
パッチをあてたら落ちる場所が変わったそうです。手強い。
スタックトレース添付。
# 直接やりとりしてもらったほうがいいでしょうか？
-------------------------------------------------------------------
青木峰郎
Program received signal SIGSEGV, Segmentation fault.
rb_gc_mark (ptr=0x2a73d7f02123540c) at gc.c:452
452 if (obj->as.basic.flags == 0) return; /* free cell */
(gdb) bt
#0 rb_gc_mark (ptr=0x2a73d7f02123540c) at gc.c:452
#1 0x160275338 in rb_gc_mark (ptr=0x2a73d7f02123540c) at gc.c:602
#2 0x160274b14 in mark_locations_array (x=0x1fffdf6a0, n=16501) at gc.c:378
#3 0x160274b94 in rb_gc_mark_locations (start=0x2a73d7f02123540c, end=0x47)
at gc.c:397
#4 0x160275ed8 in rb_gc () at gc.c:1009
#5 0x160274908 in rb_newobj () at gc.c:324
#6 0x1602c8e40 in rb_str_new3 (str=4833937384) at string.c:85
#7 0x16025bf30 in rb_eval (self=4833826384, n=0x47) at eval.c:2860
#8 0x16025aa40 in rb_eval (self=4833826384, n=0x47) at eval.c:2522
#9 0x16025a7a0 in rb_eval (self=4833826384, n=0x47) at eval.c:2509
#10 0x1602590a0 in rb_eval (self=4833826384, n=0x47) at eval.c:2011
#11 0x16025e710 in rb_yield_0 (val=163, self=4833826384, klass=0, acheck=0)
at eval.c:3601
#12 0x16025e9e0 in rb_yield (val=3059025998262785036) at eval.c:3687
#13 0x160243c88 in rb_ary_each (ary=4833871704) at array.c:630
#14 0x160260624 in call_cfunc (func=0x160243c40 <rb_ary_each>,
recv=4833871704, len=537935872, argc=0, argv=0x0) at eval.c:4227
#15 0x160260e1c in rb_call0 (klass=4833268472, recv=4833871704, id=3569,
argc=0, argv=0x0, body=0x12015cb50, nosuper=1) at eval.c:4361
#16 0x160261804 in rb_call (klass=4833268472, recv=4833871704, mid=3569,
argc=0, argv=0x0, scope=0) at eval.c:4581
#17 0x16025acb4 in rb_eval (self=4833826384, n=0x47) at eval.c:2530
#18 0x160259b20 in rb_eval (self=4833826384, n=0x47) at eval.c:2262
#19 0x1602590a0 in rb_eval (self=4833826384, n=0x47) at eval.c:2011
#20 0x160261314 in rb_call0 (klass=4834391864, recv=4833826384, id=14545,
argc=0, argv=0x1fffe4528, body=0x1202014e0, nosuper=0) at eval.c:4488
#21 0x160261804 in rb_call (klass=4834391864, recv=4833826384, mid=14545,
argc=3, argv=0x1fffe4510, scope=1) at eval.c:4581
#22 0x16025acb4 in rb_eval (self=4833826384, n=0x47) at eval.c:2530
#23 0x160261314 in rb_call0 (klass=4834391864, recv=4833826384, id=14409,
argc=0, argv=0x1fffe59c0, body=0x120203a88, nosuper=0) at eval.c:4488
#24 0x160261804 in rb_call (klass=4834391864, recv=4833826384, mid=14409,
argc=3, argv=0x1fffe59a8, scope=1) at eval.c:4581
#25 0x16025acb4 in rb_eval (self=4833826384, n=0x47) at eval.c:2530
#26 0x1602590a0 in rb_eval (self=4833826384, n=0x47) at eval.c:2011
#27 0x160261314 in rb_call0 (klass=4834391864, recv=4833826384, id=14305,
argc=0, argv=0x1fffe7e90, body=0x120235240, nosuper=0) at eval.c:4488
#28 0x160261804 in rb_call (klass=4834391864, recv=4833826384, mid=14305,
argc=1, argv=0x1fffe7e88, scope=1) at eval.c:4581
#29 0x16025acb4 in rb_eval (self=4833826384, n=0x47) at eval.c:2530
#30 0x1602590a0 in rb_eval (self=4833826384, n=0x47) at eval.c:2011
#31 0x160261314 in rb_call0 (klass=4834391864, recv=4833826384, id=8801,
argc=0, argv=0x1fffea308, body=0x1202410e0, nosuper=0) at eval.c:4488
#32 0x160261804 in rb_call (klass=4834391864, recv=4833826384, mid=8801,
argc=1, argv=0x1fffea300, scope=0) at eval.c:4581
#33 0x16025acb4 in rb_eval (self=4834253504, n=0x47) at eval.c:2530
#34 0x160261314 in rb_call0 (klass=4834186104, recv=4834253504, id=6185,
argc=0, argv=0x1fffeb780, body=0x120249290, nosuper=0) at eval.c:4488
#35 0x160261804 in rb_call (klass=4834186104, recv=4834253504, mid=6185,
argc=1, argv=0x1fffeb778, scope=0) at eval.c:4581
#36 0x16025acb4 in rb_eval (self=4833311152, n=0x47) at eval.c:2530
#37 0x16025e710 in rb_yield_0 (val=4, self=4833311152, klass=0, acheck=0)
at eval.c:3601
#38 0x16025a018 in rb_eval (self=4833866384, n=0x47) at eval.c:2344
#39 0x1602590a0 in rb_eval (self=4833866384, n=0x47) at eval.c:2011
#40 0x160261314 in rb_call0 (klass=4834383264, recv=4833866384, id=9257,
argc=0, argv=0x1fffeefd8, body=0x12013a618, nosuper=0) at eval.c:4488
#41 0x160261804 in rb_call (klass=4834383264, recv=4833866384, mid=9257,
argc=2, argv=0x1fffeefc8, scope=0) at eval.c:4581
#42 0x16025acb4 in rb_eval (self=4833311152, n=0x47) at eval.c:2530
#43 0x160259b20 in rb_eval (self=4833311152, n=0x47) at eval.c:2262
#44 0x1602590a0 in rb_eval (self=4833311152, n=0x47) at eval.c:2011
#45 0x16025e710 in rb_yield_0 (val=4833866384, self=4833311152, klass=0,
acheck=0) at eval.c:3601
#46 0x16025a018 in rb_eval (self=4833866384, n=0x47) at eval.c:2344
#47 0x16025e710 in rb_yield_0 (val=4833865224, self=4833866384, klass=0,
acheck=0) at eval.c:3601
#48 0x16025e9e0 in rb_yield (val=3059025998262785036) at eval.c:3687
#49 0x16025fcc0 in rb_ensure (b_proc=0x16025e9c0 <rb_yield>, data1=4833865224,
e_proc=0x16027e180 <rb_io_close>, data2=4833865224) at eval.c:4019
#50 0x16027f9a8 in rb_file_s_open (argc=540034144, argv=0x1ffff3f98,
klass=4833865224) at io.c:1754
#51 0x160260660 in call_cfunc (func=0x16027f800 <rb_file_s_open>,
recv=4833242072, len=537935872, argc=0, argv=0x0) at eval.c:4233
#52 0x160260e1c in rb_call0 (klass=4833242032, recv=4833242072, id=6369,
argc=2, argv=0x1ffff3f98, body=0x120153d98, nosuper=1) at eval.c:4361
#53 0x160261804 in rb_call (klass=4833242032, recv=4833242072, mid=6369,
argc=2, argv=0x1ffff3f98, scope=0) at eval.c:4581
#54 0x16025acb4 in rb_eval (self=4833866384, n=0x47) at eval.c:2530
#55 0x160259b20 in rb_eval (self=4833866384, n=0x47) at eval.c:2262
#56 0x160261314 in rb_call0 (klass=4834383264, recv=4833866384, id=2857,
argc=0, argv=0x1ffff6970, body=0x12013cbe8, nosuper=0) at eval.c:4488
#57 0x160261804 in rb_call (klass=4834383264, recv=4833866384, mid=2857,
argc=3, argv=0x1ffff6958, scope=1) at eval.c:4581
#58 0x160261cb8 in rb_funcall2 (recv=35, mid=0, argc=537935872,
argv=0x1fffdd7b8) at eval.c:4665
#59 0x160264d84 in rb_obj_call_init (obj=4833866384, argc=3, argv=0x1ffff6958)
at eval.c:5685
#60 0x160264e44 in rb_class_new_instance (argc=538899088, argv=0x1ffff6958,
klass=0) at eval.c:5701
#61 0x160260660 in call_cfunc (func=0x160264dc0 <rb_class_new_instance>,
recv=4834383264, len=537935872, argc=0, argv=0x0) at eval.c:4233
#62 0x160260e1c in rb_call0 (klass=4833319392, recv=4834383264, id=3169,
argc=3, argv=0x1ffff6958, body=0x120167bb8, nosuper=1) at eval.c:4361
#63 0x160261804 in rb_call (klass=4833319392, recv=4834383264, mid=3169,
argc=3, argv=0x1ffff6958, scope=0) at eval.c:4581
#64 0x16025acb4 in rb_eval (self=4833311152, n=0x47) at eval.c:2530
#65 0x160259b20 in rb_eval (self=4833311152, n=0x47) at eval.c:2262
#66 0x1602590a0 in rb_eval (self=4833311152, n=0x47) at eval.c:2011
#67 0x160261314 in rb_call0 (klass=4833319472, recv=4833311152, id=8769,
argc=0, argv=0x1ffff9e10, body=0x12013d6b0, nosuper=0) at eval.c:4488
#68 0x160261804 in rb_call (klass=4833319472, recv=4833311152, mid=8769,
argc=3, argv=0x1ffff9df8, scope=1) at eval.c:4581
#69 0x16025acb4 in rb_eval (self=4833311152, n=0x47) at eval.c:2530
#70 0x1602590a0 in rb_eval (self=4833311152, n=0x47) at eval.c:2011
#71 0x160261314 in rb_call0 (klass=4833319472, recv=4833311152, id=8665,
argc=0, argv=0x1ffffc2c0, body=0x12014d330, nosuper=0) at eval.c:4488
#72 0x160261804 in rb_call (klass=4833319472, recv=4833311152, mid=8665,
argc=3, argv=0x1ffffc2a8, scope=1) at eval.c:4581
#73 0x16025acb4 in rb_eval (self=4833311152, n=0x47) at eval.c:2530
#74 0x16025a0a4 in rb_eval (self=4833311152, n=0x47) at eval.c:2354
#75 0x160261314 in rb_call0 (klass=4833319472, recv=4833311152, id=8609,
argc=0, argv=0x0, body=0x12014e8e8, nosuper=0) at eval.c:4488
#76 0x160261804 in rb_call (klass=4833319472, recv=4833311152, mid=8609,
argc=0, argv=0x0, scope=2) at eval.c:4581
#77 0x16025acb4 in rb_eval (self=4833311152, n=0x47) at eval.c:2530
#78 0x160256064 in eval_node (self=4833311152, node=0x12014b5f8) at eval.c:1060
#79 0x160256594 in ruby_run () at eval.c:1190
#80 0x120000e50 in main (argc=3, argv=0x1fffffad0, envp=0x0) at main.c:50
(gdb) frame
#0 rb_gc_mark (ptr=0x2a73d7f02123540c) at gc.c:452
452 if (obj->as.basic.flags == 0) return; /* free cell */
(gdb) print obj
$1 = (RVALUE *) 0x2a73d7f02123540c
(gdb) print *obj
$6 = {as = {free = {flag = 0, next = 0x0}, basic = {flags = 0, klass = 0},
object = {basic = {flags = 0, klass = 0}, iv_tbl = 0x0}, klass = {basic = {
flags = 0, klass = 0}, iv_tbl = 0x0, m_tbl = 0x0, super = 0},
flonum = {basic = {flags = 0, klass = 0}, value = 0}, string = {basic = {
flags = 0, klass = 0}, len = 0, ptr = 0x0, orig = 0}, array = {
basic = {flags = 0, klass = 0}, len = 0, capa = 0, ptr = 0x0}, regexp = {
basic = {flags = 0, klass = 0}, ptr = 0x0, len = 0, str = 0x0}, hash = {
basic = {flags = 0, klass = 0}, tbl = 0x0, iter_lev = 0, ifnone = 0},
data = {basic = {flags = 0, klass = 0}, dmark = 0, dfree = 0, data = 0x0},
rstruct = {basic = {flags = 0, klass = 0}, len = 0, ptr = 0x0}, bignum = {
basic = {flags = 0, klass = 0}, sign = 0 '\000', len = 0, digits = 0x0},
file = {basic = {flags = 0, klass = 0}, fptr = 0x0}, node = {flags = 0,
nd_file = 0x0, u1 = {node = 0x0, id = 0, value = 0, cfunc = 0,
tbl = 0x0}, u2 = {node = 0x0, id = 0, argc = 0, value = 0}, u3 = {
node = 0x0, id = 0, state = 0, entry = 0x0, cnt = 0, value = 0}},
match = {basic = {flags = 0, klass = 0}, str = 0, regs = 0x0}, varmap = {
super = {flags = 0, klass = 0}, id = 0, val = 0, next = 0x0}, scope = {
super = {flags = 0, klass = 0}, local_tbl = 0x0, local_vars = 0x0,
flag = 0}}}
(gdb) print obj->as
$2 = {free = {flag = 0, next = 0x0}, basic = {flags = 0, klass = 0}, object = {
basic = {flags = 0, klass = 0}, iv_tbl = 0x0}, klass = {basic = {
flags = 0, klass = 0}, iv_tbl = 0x0, m_tbl = 0x0, super = 0}, flonum = {
basic = {flags = 0, klass = 0}, value = 0}, string = {basic = {flags = 0,
klass = 0}, len = 0, ptr = 0x0, orig = 0}, array = {basic = {flags = 0,
klass = 0}, len = 0, capa = 0, ptr = 0x0}, regexp = {basic = {flags = 0,
klass = 0}, ptr = 0x0, len = 0, str = 0x0}, hash = {basic = {flags = 0,
klass = 0}, tbl = 0x0, iter_lev = 0, ifnone = 0}, data = {basic = {
flags = 0, klass = 0}, dmark = 0, dfree = 0, data = 0x0}, rstruct = {
basic = {flags = 0, klass = 0}, len = 0, ptr = 0x0}, bignum = {basic = {
flags = 0, klass = 0}, sign = 0 '\000', len = 0, digits = 0x0}, file = {
basic = {flags = 0, klass = 0}, fptr = 0x0}, node = {flags = 0,
nd_file = 0x0, u1 = {node = 0x0, id = 0, value = 0, cfunc = 0, tbl = 0x0},
u2 = {node = 0x0, id = 0, argc = 0, value = 0}, u3 = {node = 0x0, id = 0,
state = 0, entry = 0x0, cnt = 0, value = 0}}, match = {basic = {
flags = 0, klass = 0}, str = 0, regs = 0x0}, varmap = {super = {
flags = 0, klass = 0}, id = 0, val = 0, next = 0x0}, scope = {super = {
flags = 0, klass = 0}, local_tbl = 0x0, local_vars = 0x0, flag = 0}}
(gdb) info registers
v0 0x0 0
t0 0x0 0
t1 0x23 35
t2 0x0 0
t3 0x120104000 4832903168
t4 0x0 0
t5 0x2 2
t6 0xcccccccccccccccd -3689348814741910323
t7 0x160411e00 5909847552
s0 0x2a73d7f02123540c 3059025998262785036
s1 0x63 99
s2 0x1603ee9d4 5909703124
s3 0x2 2
s4 0x1fffdd7a8 8589793192
s5 0x14b 331
fp 0x1fffdc4b8 8589788344
a0 0x2a73d7f02123540c 3059025998262785036
a1 0x47 71
a2 0x0 0
a3 0x1 1
a4 0x1fffdd7b8 8589793208
a5 0x12015ed38 4833275192
t8 0x12015ed38 4833275192
t9 0x120200e28 4833938984
t10 0x2261 8801
t11 0x11a 282
ra 0x160275338 5908157240
t12 0x160274dc0 5908155840
at 0x160801b30 5913975600
gp 0x1603f9a50 5909748304
sp 0x1fffdc440 8589788224
zero 0x0 0
pc 0x160274e00 5908155904
vfp 0x1fffdc460 8589788256
(gdb) x/i 0x160274e00
0x160274e00 <rb_gc_mark+64>: ldq t1,0(s0)
(gdb) disassemble rb_gc_mark
Dump of assembler code for function rb_gc_mark:
0x160274dc0 <rb_gc_mark>: ldah gp,24(t12)
0x160274dc4 <rb_gc_mark+4>: lda gp,19600(gp)
0x160274dc8 <rb_gc_mark+8>: subq sp,0x20,sp
0x160274dcc <rb_gc_mark+12>: stq ra,0(sp)
0x160274dd0 <rb_gc_mark+16>: stq s0,8(sp)
0x160274dd4 <rb_gc_mark+20>: stq s1,16(sp)
0x160274dd8 <rb_gc_mark+24>: stq s2,24(sp)
0x160274ddc <rb_gc_mark+28>: mov a0,s0
0x160274de0 <rb_gc_mark+32>: and s0,0x3,t2
0x160274de4 <rb_gc_mark+36>: bne t2,0x160274df0 <rb_gc_mark+48>
0x160274de8 <rb_gc_mark+40>: andnot s0,0x4,t0
0x160274dec <rb_gc_mark+44>: bne t0,0x160274df8 <rb_gc_mark+56>
0x160274df0 <rb_gc_mark+48>: mov 0x2,t0
0x160274df4 <rb_gc_mark+52>: br 0x160274dfc <rb_gc_mark+60>
0x160274df8 <rb_gc_mark+56>: clr t0
0x160274dfc <rb_gc_mark+60>: bne t0,0x16027561c <rb_gc_mark+2140>
0x160274e00 <rb_gc_mark+64>: ldq t1,0(s0)
0x160274e04 <rb_gc_mark+68>: beq t1,0x16027561c <rb_gc_mark+2140>
0x160274e08 <rb_gc_mark+72>: and t1,0x40,t0
0x160274e0c <rb_gc_mark+76>: bne t0,0x16027561c <rb_gc_mark+2140>
0x160274e10 <rb_gc_mark+80>: or t1,0x40,t1
0x160274e14 <rb_gc_mark+84>: stq t1,0(s0)
0x160274e18 <rb_gc_mark+88>: bne t2,0x160274e40 <rb_gc_mark+128>
0x160274e1c <rb_gc_mark+92>: andnot s0,0x4,t0
0x160274e20 <rb_gc_mark+96>: beq t0,0x160274e40 <rb_gc_mark+128>
0x160274e24 <rb_gc_mark+100>: srl t1,0x9,t0
0x160274e28 <rb_gc_mark+104>: blbc t0,0x160274e40 <rb_gc_mark+128>
0x160274e2c <rb_gc_mark+108>: mov s0,a0
0x160274e30 <rb_gc_mark+112>: ldq t12,-28592(gp)
0x160274e34 <rb_gc_mark+116>: jsr ra,(t12),0x16027a400 <env_inspect+320>
0x160274e38 <rb_gc_mark+120>: ldah gp,24(ra)
0x160274e3c <rb_gc_mark+124>: lda gp,19480(gp)
0x160274e40 <rb_gc_mark+128>: ldq s1,0(s0)
0x160274e44 <rb_gc_mark+132>: and s1,0x3f,t1
0x160274e48 <rb_gc_mark+136>: cmpeq t1,0xa,t0
0x160274e4c <rb_gc_mark+140>: bne t0,0x160274e70 <rb_gc_mark+176>
0x160274e50 <rb_gc_mark+144>: cmpule t1,0xa,t0
0x160274e54 <rb_gc_mark+148>: beq t0,0x160274e64 <rb_gc_mark+164>
0x160274e58 <rb_gc_mark+152>: cmpeq t1,0x1,t0
0x160274e5c <rb_gc_mark+156>: bne t0,0x160274e70 <rb_gc_mark+176>
0x160274e60 <rb_gc_mark+160>: br 0x160275330 <rb_gc_mark+1392>
0x160274e64 <rb_gc_mark+164>: cmpeq t1,0x3f,t0
0x160274e68 <rb_gc_mark+168>: bne t0,0x160274e84 <rb_gc_mark+196>
0x160274e6c <rb_gc_mark+172>: br 0x160275330 <rb_gc_mark+1392>
0x160274e70 <rb_gc_mark+176>: ldq a0,-16600(gp)