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comparison src/os_cpu/linux_x86/vm/os_linux_x86.cpp @ 1907:1e9a9d2e6509

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6970683: improvements to hs_err output Reviewed-by: kvn, jrose, dholmes, coleenp
author never
date Thu, 21 Oct 2010 11:55:10 -0700
parents 126ea7725993
children 2d26b0046e0d f95d63e2154a
comparison
equal deleted inserted replaced
1906:f8aaf8522a6b 1907:1e9a9d2e6509
1 /* 1 /*
2 * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
716 void os::print_context(outputStream *st, void *context) { 716 void os::print_context(outputStream *st, void *context) {
717 if (context == NULL) return; 717 if (context == NULL) return;
718 718
719 ucontext_t *uc = (ucontext_t*)context; 719 ucontext_t *uc = (ucontext_t*)context;
720 st->print_cr("Registers:"); 720 st->print_cr("Registers:");
721
722 // this is horrendously verbose but the layout of the registers in the
723 // context does not match how we defined our abstract Register set, so
724 // we can't just iterate through the gregs area
725
726 #ifdef AMD64 721 #ifdef AMD64
727 st->print( "RAX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RAX]); 722 st->print( "RAX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RAX]);
728 st->print(", RBX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RBX]); 723 st->print(", RBX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RBX]);
729 st->print(", RCX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RCX]); 724 st->print(", RCX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RCX]);
730 st->print(", RDX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RDX]); 725 st->print(", RDX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RDX]);
743 st->print(", R13=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R13]); 738 st->print(", R13=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R13]);
744 st->print(", R14=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R14]); 739 st->print(", R14=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R14]);
745 st->print(", R15=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R15]); 740 st->print(", R15=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R15]);
746 st->cr(); 741 st->cr();
747 st->print( "RIP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RIP]); 742 st->print( "RIP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RIP]);
748 st->print(", EFL=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EFL]); 743 st->print(", EFLAGS=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EFL]);
749 st->print(", CSGSFS=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_CSGSFS]); 744 st->print(", CSGSFS=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_CSGSFS]);
750 st->print(", ERR=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ERR]); 745 st->print(", ERR=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ERR]);
751 st->cr(); 746 st->cr();
752 st->print(" TRAPNO=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_TRAPNO]); 747 st->print(" TRAPNO=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_TRAPNO]);
753
754 st->cr();
755 st->cr();
756
757 st->print_cr("Register to memory mapping:");
758 st->cr();
759
760 // this is only for the "general purpose" registers
761
762 st->print_cr("RAX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RAX]);
763 print_location(st, uc->uc_mcontext.gregs[REG_RAX]);
764 st->cr();
765 st->print_cr("RBX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RBX]);
766 print_location(st, uc->uc_mcontext.gregs[REG_RBX]);
767 st->cr();
768 st->print_cr("RCX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RCX]);
769 print_location(st, uc->uc_mcontext.gregs[REG_RCX]);
770 st->cr();
771 st->print_cr("RDX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RDX]);
772 print_location(st, uc->uc_mcontext.gregs[REG_RDX]);
773 st->cr();
774 st->print_cr("RSP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RSP]);
775 print_location(st, uc->uc_mcontext.gregs[REG_RSP]);
776 st->cr();
777 st->print_cr("RBP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RBP]);
778 print_location(st, uc->uc_mcontext.gregs[REG_RBP]);
779 st->cr();
780 st->print_cr("RSI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RSI]);
781 print_location(st, uc->uc_mcontext.gregs[REG_RSI]);
782 st->cr();
783 st->print_cr("RDI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_RDI]);
784 print_location(st, uc->uc_mcontext.gregs[REG_RDI]);
785 st->cr();
786 st->print_cr("R8 =" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R8]);
787 print_location(st, uc->uc_mcontext.gregs[REG_R8]);
788 st->cr();
789 st->print_cr("R9 =" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R9]);
790 print_location(st, uc->uc_mcontext.gregs[REG_R9]);
791 st->cr();
792 st->print_cr("R10=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R10]);
793 print_location(st, uc->uc_mcontext.gregs[REG_R10]);
794 st->cr();
795 st->print_cr("R11=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R11]);
796 print_location(st, uc->uc_mcontext.gregs[REG_R11]);
797 st->cr();
798 st->print_cr("R12=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R12]);
799 print_location(st, uc->uc_mcontext.gregs[REG_R12]);
800 st->cr();
801 st->print_cr("R13=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R13]);
802 print_location(st, uc->uc_mcontext.gregs[REG_R13]);
803 st->cr();
804 st->print_cr("R14=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R14]);
805 print_location(st, uc->uc_mcontext.gregs[REG_R14]);
806 st->cr();
807 st->print_cr("R15=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_R15]);
808 print_location(st, uc->uc_mcontext.gregs[REG_R15]);
809
810 #else 748 #else
811 st->print( "EAX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EAX]); 749 st->print( "EAX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EAX]);
812 st->print(", EBX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EBX]); 750 st->print(", EBX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EBX]);
813 st->print(", ECX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ECX]); 751 st->print(", ECX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ECX]);
814 st->print(", EDX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EDX]); 752 st->print(", EDX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EDX]);
817 st->print(", EBP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EBP]); 755 st->print(", EBP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EBP]);
818 st->print(", ESI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ESI]); 756 st->print(", ESI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ESI]);
819 st->print(", EDI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EDI]); 757 st->print(", EDI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EDI]);
820 st->cr(); 758 st->cr();
821 st->print( "EIP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EIP]); 759 st->print( "EIP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EIP]);
760 st->print(", EFLAGS=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EFL]);
822 st->print(", CR2=" INTPTR_FORMAT, uc->uc_mcontext.cr2); 761 st->print(", CR2=" INTPTR_FORMAT, uc->uc_mcontext.cr2);
823 st->print(", EFLAGS=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EFL]);
824
825 st->cr();
826 st->cr();
827
828 st->print_cr("Register to memory mapping:");
829 st->cr();
830
831 // this is only for the "general purpose" registers
832
833 st->print_cr("EAX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EAX]);
834 print_location(st, uc->uc_mcontext.gregs[REG_EAX]);
835 st->cr();
836 st->print_cr("EBX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EBX]);
837 print_location(st, uc->uc_mcontext.gregs[REG_EBX]);
838 st->cr();
839 st->print_cr("ECX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ECX]);
840 print_location(st, uc->uc_mcontext.gregs[REG_ECX]);
841 st->cr();
842 st->print_cr("EDX=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EDX]);
843 print_location(st, uc->uc_mcontext.gregs[REG_EDX]);
844 st->cr();
845 st->print_cr("ESP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ESP]);
846 print_location(st, uc->uc_mcontext.gregs[REG_ESP]);
847 st->cr();
848 st->print_cr("EBP=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EBP]);
849 print_location(st, uc->uc_mcontext.gregs[REG_EBP]);
850 st->cr();
851 st->print_cr("ESI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_ESI]);
852 print_location(st, uc->uc_mcontext.gregs[REG_ESI]);
853 st->cr();
854 st->print_cr("EDI=" INTPTR_FORMAT, uc->uc_mcontext.gregs[REG_EDI]);
855 print_location(st, uc->uc_mcontext.gregs[REG_EDI]);
856
857 #endif // AMD64 762 #endif // AMD64
858 st->cr(); 763 st->cr();
859 st->cr(); 764 st->cr();
860 765
861 intptr_t *sp = (intptr_t *)os::Linux::ucontext_get_sp(uc); 766 intptr_t *sp = (intptr_t *)os::Linux::ucontext_get_sp(uc);
866 // Note: it may be unsafe to inspect memory near pc. For example, pc may 771 // Note: it may be unsafe to inspect memory near pc. For example, pc may
867 // point to garbage if entry point in an nmethod is corrupted. Leave 772 // point to garbage if entry point in an nmethod is corrupted. Leave
868 // this at the end, and hope for the best. 773 // this at the end, and hope for the best.
869 address pc = os::Linux::ucontext_get_pc(uc); 774 address pc = os::Linux::ucontext_get_pc(uc);
870 st->print_cr("Instructions: (pc=" PTR_FORMAT ")", pc); 775 st->print_cr("Instructions: (pc=" PTR_FORMAT ")", pc);
871 print_hex_dump(st, pc - 16, pc + 16, sizeof(char)); 776 print_hex_dump(st, pc - 32, pc + 32, sizeof(char));
777 }
778
779 void os::print_register_info(outputStream *st, void *context) {
780 if (context == NULL) return;
781
782 ucontext_t *uc = (ucontext_t*)context;
783
784 st->print_cr("Register to memory mapping:");
785 st->cr();
786
787 // this is horrendously verbose but the layout of the registers in the
788 // context does not match how we defined our abstract Register set, so
789 // we can't just iterate through the gregs area
790
791 // this is only for the "general purpose" registers
792
793 #ifdef AMD64
794 st->print("RAX="); print_location(st, uc->uc_mcontext.gregs[REG_RAX]);
795 st->print("RBX="); print_location(st, uc->uc_mcontext.gregs[REG_RBX]);
796 st->print("RCX="); print_location(st, uc->uc_mcontext.gregs[REG_RCX]);
797 st->print("RDX="); print_location(st, uc->uc_mcontext.gregs[REG_RDX]);
798 st->print("RSP="); print_location(st, uc->uc_mcontext.gregs[REG_RSP]);
799 st->print("RBP="); print_location(st, uc->uc_mcontext.gregs[REG_RBP]);
800 st->print("RSI="); print_location(st, uc->uc_mcontext.gregs[REG_RSI]);
801 st->print("RDI="); print_location(st, uc->uc_mcontext.gregs[REG_RDI]);
802 st->print("R8 ="); print_location(st, uc->uc_mcontext.gregs[REG_R8]);
803 st->print("R9 ="); print_location(st, uc->uc_mcontext.gregs[REG_R9]);
804 st->print("R10="); print_location(st, uc->uc_mcontext.gregs[REG_R10]);
805 st->print("R11="); print_location(st, uc->uc_mcontext.gregs[REG_R11]);
806 st->print("R12="); print_location(st, uc->uc_mcontext.gregs[REG_R12]);
807 st->print("R13="); print_location(st, uc->uc_mcontext.gregs[REG_R13]);
808 st->print("R14="); print_location(st, uc->uc_mcontext.gregs[REG_R14]);
809 st->print("R15="); print_location(st, uc->uc_mcontext.gregs[REG_R15]);
810 #else
811 st->print("EAX="); print_location(st, uc->uc_mcontext.gregs[REG_EAX]);
812 st->print("EBX="); print_location(st, uc->uc_mcontext.gregs[REG_EBX]);
813 st->print("ECX="); print_location(st, uc->uc_mcontext.gregs[REG_ECX]);
814 st->print("EDX="); print_location(st, uc->uc_mcontext.gregs[REG_EDX]);
815 st->print("ESP="); print_location(st, uc->uc_mcontext.gregs[REG_ESP]);
816 st->print("EBP="); print_location(st, uc->uc_mcontext.gregs[REG_EBP]);
817 st->print("ESI="); print_location(st, uc->uc_mcontext.gregs[REG_ESI]);
818 st->print("EDI="); print_location(st, uc->uc_mcontext.gregs[REG_EDI]);
819 #endif // AMD64
820
821 st->cr();
872 } 822 }
873 823
874 void os::setup_fpu() { 824 void os::setup_fpu() {
875 #ifndef AMD64 825 #ifndef AMD64
876 address fpu_cntrl = StubRoutines::addr_fpu_cntrl_wrd_std(); 826 address fpu_cntrl = StubRoutines::addr_fpu_cntrl_wrd_std();