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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/50598] [4.7 Regression] Undefined symbols: "___emutls_v.*", ... on *-apple-darwin* Date: Fri, 04 Nov 2011 10:52:00 -0000 [thread overview] Message-ID: <bug-50598-4-Us0M5UEz89@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-50598-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50598 --- Comment #9 from Iain Sandoe <iains at gcc dot gnu.org> 2011-11-04 10:50:36 UTC --- in tree-emults: (gdb) call debug_tree(var->decl) <var_decl 0x41da24e0 i type <integer_type 0x41d17360 int public SI size <integer_cst 0x41d0455c constant 32> unit size <integer_cst 0x41d04578 constant 4> align 32 symtab 0 alias set -1 canonical type 0x41d17360 precision 32 min <integer_cst 0x41d04850 -2147483648> max <integer_cst 0x41d0486c 2147483647> pointer_to_this <pointer_type 0x41d17a80>> public static tls-global-dynamic SI file ../tests/common-var.C line 4 col 14 size <integer_cst 0x41d0455c 32> unit size <integer_cst 0x41d04578 4> align 32 context <translation_unit_decl 0x41d1fec4 D.1589> (mem/c/i:SI (symbol_ref:SI ("i") [flags 0x1412] <var_decl 0x41da24e0 i>) [0 i+0 S4 A32])> === (gdb) call debug_tree(cdecl) <var_decl 0x41da2660 __emutls_v.i type <record_type 0x41da2600 __emutls_object BLK size <integer_cst 0x41d04a48 constant 128> unit size <integer_cst 0x41d04a64 constant 16> align 32 symtab 0 alias set -1 canonical type 0x41da2600 fields <field_decl 0x41d1233c __size type <integer_type 0x41d173c0 unsigned int> unsigned SI file (null) line 0 col 0 size <integer_cst 0x41d0455c constant 32> unit size <integer_cst 0x41d04578 constant 4> align 32 offset_align 128 offset <integer_cst 0x41d04594 constant 0> bit offset <integer_cst 0x41d04620 constant 0> context <record_type 0x41da2600 __emutls_object> chain <field_decl 0x41d122e0 __align>>> public static ignored BLK file ../tests/common-var.C line 4 col 14 size <integer_cst 0x41d04a48 128> unit size <integer_cst 0x41d04a64 16> align 32 context <translation_unit_decl 0x41d1fec4 D.1589> initial <constructor 0x41d3ac90> (mem/s/c:BLK (symbol_ref:SI ("__emutls_v.i") [flags 0x1402] <var_decl 0x41da2660 __emutls_v.i>) [0 __emutls_v.i+0 S16 A32])> === there are a lot of calls to cgraph_remove_unreachable_nodes () ... and it seems that there are two vnodes: (gdb) call debug_tree(vnode->decl) <var_decl 0x41da2660 __emutls_v.i type <record_type 0x41da2600 __emutls_object BLK size <integer_cst 0x41d04a48 constant 128> unit size <integer_cst 0x41d04a64 constant 16> align 32 symtab 0 alias set -1 canonical type 0x41da2600 fields <field_decl 0x41d1233c __size type <integer_type 0x41d173c0 unsigned int> unsigned SI file (null) line 0 col 0 size <integer_cst 0x41d0455c constant 32> unit size <integer_cst 0x41d04578 constant 4> align 32 offset_align 128 offset <integer_cst 0x41d04594 constant 0> bit offset <integer_cst 0x41d04620 constant 0> context <record_type 0x41da2600 __emutls_object> chain <field_decl 0x41d122e0 __align>>> public static ignored BLK file ../tests/common-var.C line 4 col 14 size <integer_cst 0x41d04a48 128> unit size <integer_cst 0x41d04a64 16> align 32 context <translation_unit_decl 0x41d1fec4 D.1589> initial <constructor 0x41d3ac90> (mem/s/c:BLK (symbol_ref:SI ("__emutls_v.i") [flags 0x1402] <var_decl 0x41da2660 __emutls_v.i>) [0 __emutls_v.i+0 S16 A32])> (gdb) call debug_tree(vnode->decl) <var_decl 0x41da24e0 i type <integer_type 0x41d17360 int public SI size <integer_cst 0x41d0455c constant 32> unit size <integer_cst 0x41d04578 constant 4> align 32 symtab 0 alias set -1 canonical type 0x41d17360 precision 32 min <integer_cst 0x41d04850 -2147483648> max <integer_cst 0x41d0486c 2147483647> pointer_to_this <pointer_type 0x41d17a80>> public static tls-global-dynamic SI file ../tests/common-var.C line 4 col 14 size <integer_cst 0x41d0455c 32> unit size <integer_cst 0x41d04578 4> align 32 context <translation_unit_decl 0x41d1fec4 D.1589> (mem/c/i:SI (symbol_ref:SI ("i") [flags 0x1412] <var_decl 0x41da24e0 i>) [0 i+0 S4 A32]) value-expr <var_decl 0x41da2660 __emutls_v.i type <record_type 0x41da2600 __emutls_object BLK size <integer_cst 0x41d04a48 constant 128> unit size <integer_cst 0x41d04a64 constant 16> align 32 symtab 0 alias set -1 canonical type 0x41da2600 fields <field_decl 0x41d1233c __size>> public static ignored BLK file ../tests/common-var.C line 4 col 14 size <integer_cst 0x41d04a48 128> unit size <integer_cst 0x41d04a64 16> align 32 context <translation_unit_decl 0x41d1fec4 D.1589> initial <constructor 0x41d3ac90> (mem/s/c:BLK (symbol_ref:SI ("__emutls_v.i") [flags 0x1402] <var_decl 0x41da2660 __emutls_v.i>) [0 __emutls_v.i+0 S16 A32])>> the second seems to be marked as needed and the first is not. .. not sure where I'm going with the debugging here .. not familiar with this part of the system.
next prev parent reply other threads:[~2011-11-04 10:52 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-10-03 14:24 [Bug middle-end/50598] New: " dominiq at lps dot ens.fr 2011-10-04 11:05 ` [Bug middle-end/50598] " rguenth at gcc dot gnu.org 2011-10-08 20:34 ` dominiq at lps dot ens.fr 2011-10-08 21:51 ` dominiq at lps dot ens.fr 2011-10-10 13:02 ` dominiq at lps dot ens.fr 2011-10-10 15:16 ` rguenth at gcc dot gnu.org 2011-10-15 18:36 ` dominiq at lps dot ens.fr 2011-10-24 9:13 ` iains at gcc dot gnu.org 2011-10-30 17:19 ` danglin at gcc dot gnu.org 2011-11-03 18:23 ` iains at gcc dot gnu.org 2011-11-04 8:57 ` iains at gcc dot gnu.org 2011-11-04 10:52 ` iains at gcc dot gnu.org [this message] 2011-11-09 12:42 ` hubicka at gcc dot gnu.org 2011-11-10 21:03 ` iains at gcc dot gnu.org 2011-11-11 11:32 ` iains at gcc dot gnu.org 2011-11-11 12:10 ` redi at gcc dot gnu.org 2011-11-13 12:55 ` hubicka at ucw dot cz 2011-11-13 13:00 ` iains at gcc dot gnu.org 2011-11-13 13:07 ` dominiq at lps dot ens.fr 2011-11-13 14:01 ` jh at suse dot de 2011-11-14 13:13 ` hubicka at ucw dot cz 2011-11-14 16:22 ` redi at gcc dot gnu.org 2011-11-14 16:22 ` dominiq at lps dot ens.fr 2011-11-14 16:50 ` iains at gcc dot gnu.org 2011-11-14 16:56 ` howarth at nitro dot med.uc.edu 2011-11-14 17:09 ` hubicka at ucw dot cz 2011-11-14 17:57 ` hubicka at gcc dot gnu.org 2011-11-17 11:45 ` vincenzo.innocente at cern dot ch 2011-11-18 0:26 ` redi at gcc dot gnu.org 2011-11-20 12:52 ` dominiq at lps dot ens.fr 2011-11-20 13:02 ` dominiq at lps dot ens.fr 2011-11-20 14:34 ` redi at gcc dot gnu.org 2011-11-20 15:11 ` vincenzo.innocente at cern dot ch 2011-11-20 16:37 ` dominiq at lps dot ens.fr 2012-10-04 0:58 ` whatmannerofburgeristhis at gmail dot com 2012-10-04 0:58 ` whatmannerofburgeristhis at gmail dot com
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