[gccsdk] [Bug 230] Attempting to compile some C files produces "internal compiler error: Unknown signal"

http://www.riscos.info/bugzilla3/show_bug.cgi?id=230

John Tytgat <John.Tytgat@aaug.net> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED

--- Comment #2 from John Tytgat <John.Tytgat@aaug.net> 2012-05-01 14:46:13 PDT ---
ICE is due to loading a bogus word in UnixLib's __stackfree(). Full stack
trace:

--8<--
Fatal signal received: Segmentation fault

Stack backtrace:

Running thread 0xd0889c
( f87dbc) pc: 26d2ee0 lr: 26d34f0 sp: f87dc0 __write_backtrace()
( f87e38) pc: 26d3028 lr: 26d4e6c sp: f87e3c __unixlib_raise_signal()
( f87e48) pc: 26d4d20 lr: 26e980c sp: f86044 __h_cback()

Register dump at 00f87e4c:

a1: 36187fc0 a2: 4c4434 a3: f85e94 a4: 831ff8
v1: cfda04 v2: f85e98 v3: d0c2ac v4: cfda04
v5: bbe0b8 v6: 73 sl: f85e6c fp: f86060
ip: e1a03000 sp: f86044 lr: 226e980c pc: 226e816c
Mode USR, flags set: nzCvif

026e8158 : .À'. : 1591c008 : LDRNE R12,[R1,#8]
026e815c : 1... : 0a000031 : BEQ &026E8228
026e8160 : .0.å : e5153004 : LDR R3,[R5,#-4]
026e8164 : ƒ.ƒà : e0830483 : ADD R0,R3,R3,LSL #9
026e8168 : €. á : e1a00180 : MOV R0,R0,LSL #3
026e816c : .p'ç : e7927000 : LDR R7,[R2,R0]
026e8170 : .Àƒà : e083c00c : ADD R12,R3,R12
026e8174 : ..Wã : e3570000 : CMP R7,#0
026e8178 : .Àå : e581c008 : STR R12,[R1,#8]

( f86060) pc: 26e8128 lr: 26e980c sp: f86064 __stackfree()
( f860b0) pc: 242a38 lr: 243194 sp: f860b4 extract_muldiv()
( f860fc) pc: 242a38 lr: 230558 sp: f86100 extract_muldiv()
( f861d4) pc: 225380 lr: 2358c4 sp: f861d8 fold_binary_loc()
( f861fc) pc: 23589c lr: 243934 sp: f86200 fold_build2_stat_loc()
( f86248) pc: 242a38 lr: 230558 sp: f8624c extract_muldiv()
( f86320) pc: 225380 lr: 2358c4 sp: f86324 fold_binary_loc()
( f86348) pc: 23589c lr: 23f47c sp: f8634c fold_build2_stat_loc()
( f86384) pc: 23f244 lr: 22ae10 sp: f86388 fold_plusminus_mult_expr()
( f8645c) pc: 225380 lr: 2358c4 sp: f86460 fold_binary_loc()
( f86484) pc: 23589c lr: 24394c sp: f86488 fold_build2_stat_loc()
( f864d0) pc: 242a38 lr: 230558 sp: f864d4 extract_muldiv()
( f865a8) pc: 225380 lr: 2358c4 sp: f865ac fold_binary_loc()
( f865d0) pc: 23589c lr: 2257f4 sp: f865d4 fold_build2_stat_loc()
( f866a8) pc: 225380 lr: 2482d8 sp: f866ac fold_binary_loc()
( f866e0) pc: 24818c lr: 10ffe4 sp: f866e4 fold()
( f86740) pc: 10eba0 lr: 110150 sp: f86744 c_fully_fold_internal()
( f86760) pc: 1100e0 lr: d41b0 sp: f86764 c_fully_fold()
( f867ac) pc: d3fb8 lr: e29bc sp: f867b0 build_modify_expr()
( f86804) pc: e2808 lr: e2e08 sp: f86808 c_parser_expr_no_commas()
( f86864) pc: e2de8 lr: e3324 sp: f86868 c_parser_expression()
( f86890) pc: e32d8 lr: e9dec sp: f86894 c_parser_expression_conv()
( f86968) pc: e9c78 lr: ec130 sp: f8696c
c_parser_statement_after_labels()
( f869ac) pc: ebe88 lr: edc28 sp: f869b0
c_parser_compound_statement_nostart()
( f869c8) pc: edbc4 lr: ea034 sp: f869cc
c_parser_compound_statement()
( f86aa0) pc: e9c78 lr: eb42c sp: f86aa4
c_parser_statement_after_labels()
( f86b78) pc: e9c78 lr: ec130 sp: f86b7c
c_parser_statement_after_labels()
( f86bbc) pc: ebe88 lr: edc28 sp: f86bc0
c_parser_compound_statement_nostart()
( f86bd8) pc: edbc4 lr: eb828 sp: f86bdc
c_parser_compound_statement()
( f86cb0) pc: e9c78 lr: ec130 sp: f86cb4
c_parser_statement_after_labels()
( f86cf4) pc: ebe88 lr: edc28 sp: f86cf8
c_parser_compound_statement_nostart()
( f86d10) pc: edbc4 lr: e94e4 sp: f86d14
c_parser_compound_statement()
( f86d98) pc: e895c lr: ef110 sp: f86d9c
c_parser_declaration_or_fndef()
( f86dd0) pc: ef090 lr: effc4 sp: f86dd4
c_parser_external_declaration()
( f86e14) pc: efe68 lr: 11de60 sp: f86e18 c_parse_file()
( f86e38) pc: 11ddf4 lr: 39a58c sp: f86e3c c_common_parse_file()
( f86e80) pc: 3998b4 lr: 26e92d8 sp: f86e84 toplev_main()
--8<--

--
Configure bugmail: http://www.riscos.info/bugzilla3/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are watching all bug changes.
_______________________________________________
GCCSDK mailing list gcc@gccsdk.riscos.info
Bugzilla: http://www.riscos.info/bugzilla/index.cgi
List Info: http://www.riscos.info/mailman/listinfo/gcc
Main Page: http://www.riscos.info/index.php/GCCSDK