1 /*
2 * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
962 return (bottom + size);
963 }
964
965 size_t os::current_stack_size() {
966 // stack size includes normal stack and HotSpot guard pages
967 address bottom;
968 size_t size;
969 current_stack_region(&bottom, &size);
970 return size;
971 }
972
973 /////////////////////////////////////////////////////////////////////////////
974 // helper functions for fatal error handler
975
976 void os::print_context(outputStream *st, const void *context) {
977 if (context == NULL) return;
978
979 const ucontext_t *uc = (const ucontext_t*)context;
980 st->print_cr("Registers:");
981 #ifdef AMD64
982 st->print( "RAX=" INTPTR_FORMAT, uc->context_rax);
983 st->print(", RBX=" INTPTR_FORMAT, uc->context_rbx);
984 st->print(", RCX=" INTPTR_FORMAT, uc->context_rcx);
985 st->print(", RDX=" INTPTR_FORMAT, uc->context_rdx);
986 st->cr();
987 st->print( "RSP=" INTPTR_FORMAT, uc->context_rsp);
988 st->print(", RBP=" INTPTR_FORMAT, uc->context_rbp);
989 st->print(", RSI=" INTPTR_FORMAT, uc->context_rsi);
990 st->print(", RDI=" INTPTR_FORMAT, uc->context_rdi);
991 st->cr();
992 st->print( "R8 =" INTPTR_FORMAT, uc->context_r8);
993 st->print(", R9 =" INTPTR_FORMAT, uc->context_r9);
994 st->print(", R10=" INTPTR_FORMAT, uc->context_r10);
995 st->print(", R11=" INTPTR_FORMAT, uc->context_r11);
996 st->cr();
997 st->print( "R12=" INTPTR_FORMAT, uc->context_r12);
998 st->print(", R13=" INTPTR_FORMAT, uc->context_r13);
999 st->print(", R14=" INTPTR_FORMAT, uc->context_r14);
1000 st->print(", R15=" INTPTR_FORMAT, uc->context_r15);
1001 st->cr();
1002 st->print( "RIP=" INTPTR_FORMAT, uc->context_rip);
1003 st->print(", EFLAGS=" INTPTR_FORMAT, uc->context_flags);
1004 st->print(", ERR=" INTPTR_FORMAT, uc->context_err);
1005 st->cr();
1006 st->print(" TRAPNO=" INTPTR_FORMAT, uc->context_trapno);
1007 #else
1008 st->print( "EAX=" INTPTR_FORMAT, uc->context_eax);
1009 st->print(", EBX=" INTPTR_FORMAT, uc->context_ebx);
1010 st->print(", ECX=" INTPTR_FORMAT, uc->context_ecx);
1011 st->print(", EDX=" INTPTR_FORMAT, uc->context_edx);
1012 st->cr();
1013 st->print( "ESP=" INTPTR_FORMAT, uc->context_esp);
1014 st->print(", EBP=" INTPTR_FORMAT, uc->context_ebp);
1015 st->print(", ESI=" INTPTR_FORMAT, uc->context_esi);
1016 st->print(", EDI=" INTPTR_FORMAT, uc->context_edi);
1017 st->cr();
1018 st->print( "EIP=" INTPTR_FORMAT, uc->context_eip);
1019 st->print(", EFLAGS=" INTPTR_FORMAT, uc->context_eflags);
1020 #endif // AMD64
1021 st->cr();
1022 st->cr();
1023
1024 intptr_t *sp = (intptr_t *)os::Bsd::ucontext_get_sp(uc);
1025 st->print_cr("Top of Stack: (sp=" PTR_FORMAT ")", sp);
1026 print_hex_dump(st, (address)sp, (address)(sp + 8*sizeof(intptr_t)), sizeof(intptr_t));
1027 st->cr();
1028
1029 // Note: it may be unsafe to inspect memory near pc. For example, pc may
1030 // point to garbage if entry point in an nmethod is corrupted. Leave
1031 // this at the end, and hope for the best.
1032 address pc = os::Bsd::ucontext_get_pc(uc);
1033 st->print_cr("Instructions: (pc=" PTR_FORMAT ")", pc);
1034 print_hex_dump(st, pc - 32, pc + 32, sizeof(char));
1035 }
1036
1037 void os::print_register_info(outputStream *st, const void *context) {
1038 if (context == NULL) return;
1039
1040 const ucontext_t *uc = (const ucontext_t*)context;
1041
1042 st->print_cr("Register to memory mapping:");
1043 st->cr();
1044
1045 // this is horrendously verbose but the layout of the registers in the
1046 // context does not match how we defined our abstract Register set, so
1047 // we can't just iterate through the gregs area
1048
1049 // this is only for the "general purpose" registers
1050
1051 #ifdef AMD64
1052 st->print("RAX="); print_location(st, uc->context_rax);
1053 st->print("RBX="); print_location(st, uc->context_rbx);
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1 /*
2 * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
962 return (bottom + size);
963 }
964
965 size_t os::current_stack_size() {
966 // stack size includes normal stack and HotSpot guard pages
967 address bottom;
968 size_t size;
969 current_stack_region(&bottom, &size);
970 return size;
971 }
972
973 /////////////////////////////////////////////////////////////////////////////
974 // helper functions for fatal error handler
975
976 void os::print_context(outputStream *st, const void *context) {
977 if (context == NULL) return;
978
979 const ucontext_t *uc = (const ucontext_t*)context;
980 st->print_cr("Registers:");
981 #ifdef AMD64
982 st->print( "RAX=" INTPTR_FORMAT, (intptr_t)uc->context_rax);
983 st->print(", RBX=" INTPTR_FORMAT, (intptr_t)uc->context_rbx);
984 st->print(", RCX=" INTPTR_FORMAT, (intptr_t)uc->context_rcx);
985 st->print(", RDX=" INTPTR_FORMAT, (intptr_t)uc->context_rdx);
986 st->cr();
987 st->print( "RSP=" INTPTR_FORMAT, (intptr_t)uc->context_rsp);
988 st->print(", RBP=" INTPTR_FORMAT, (intptr_t)uc->context_rbp);
989 st->print(", RSI=" INTPTR_FORMAT, (intptr_t)uc->context_rsi);
990 st->print(", RDI=" INTPTR_FORMAT, (intptr_t)uc->context_rdi);
991 st->cr();
992 st->print( "R8 =" INTPTR_FORMAT, (intptr_t)uc->context_r8);
993 st->print(", R9 =" INTPTR_FORMAT, (intptr_t)uc->context_r9);
994 st->print(", R10=" INTPTR_FORMAT, (intptr_t)uc->context_r10);
995 st->print(", R11=" INTPTR_FORMAT, (intptr_t)uc->context_r11);
996 st->cr();
997 st->print( "R12=" INTPTR_FORMAT, (intptr_t)uc->context_r12);
998 st->print(", R13=" INTPTR_FORMAT, (intptr_t)uc->context_r13);
999 st->print(", R14=" INTPTR_FORMAT, (intptr_t)uc->context_r14);
1000 st->print(", R15=" INTPTR_FORMAT, (intptr_t)uc->context_r15);
1001 st->cr();
1002 st->print( "RIP=" INTPTR_FORMAT, (intptr_t)uc->context_rip);
1003 st->print(", EFLAGS=" INTPTR_FORMAT, (intptr_t)uc->context_flags);
1004 st->print(", ERR=" INTPTR_FORMAT, (intptr_t)uc->context_err);
1005 st->cr();
1006 st->print(" TRAPNO=" INTPTR_FORMAT, (intptr_t)uc->context_trapno);
1007 #else
1008 st->print( "EAX=" INTPTR_FORMAT, (intptr_t)uc->context_eax);
1009 st->print(", EBX=" INTPTR_FORMAT, (intptr_t)uc->context_ebx);
1010 st->print(", ECX=" INTPTR_FORMAT, (intptr_t)uc->context_ecx);
1011 st->print(", EDX=" INTPTR_FORMAT, (intptr_t)uc->context_edx);
1012 st->cr();
1013 st->print( "ESP=" INTPTR_FORMAT, (intptr_t)uc->context_esp);
1014 st->print(", EBP=" INTPTR_FORMAT, (intptr_t)uc->context_ebp);
1015 st->print(", ESI=" INTPTR_FORMAT, (intptr_t)uc->context_esi);
1016 st->print(", EDI=" INTPTR_FORMAT, (intptr_t)uc->context_edi);
1017 st->cr();
1018 st->print( "EIP=" INTPTR_FORMAT, (intptr_t)uc->context_eip);
1019 st->print(", EFLAGS=" INTPTR_FORMAT, (intptr_t)uc->context_eflags);
1020 #endif // AMD64
1021 st->cr();
1022 st->cr();
1023
1024 intptr_t *sp = (intptr_t *)os::Bsd::ucontext_get_sp(uc);
1025 st->print_cr("Top of Stack: (sp=" INTPTR_FORMAT ")", (intptr_t)sp);
1026 print_hex_dump(st, (address)sp, (address)(sp + 8*sizeof(intptr_t)), sizeof(intptr_t));
1027 st->cr();
1028
1029 // Note: it may be unsafe to inspect memory near pc. For example, pc may
1030 // point to garbage if entry point in an nmethod is corrupted. Leave
1031 // this at the end, and hope for the best.
1032 address pc = os::Bsd::ucontext_get_pc(uc);
1033 st->print_cr("Instructions: (pc=" INTPTR_FORMAT ")", (intptr_t)pc);
1034 print_hex_dump(st, pc - 32, pc + 32, sizeof(char));
1035 }
1036
1037 void os::print_register_info(outputStream *st, const void *context) {
1038 if (context == NULL) return;
1039
1040 const ucontext_t *uc = (const ucontext_t*)context;
1041
1042 st->print_cr("Register to memory mapping:");
1043 st->cr();
1044
1045 // this is horrendously verbose but the layout of the registers in the
1046 // context does not match how we defined our abstract Register set, so
1047 // we can't just iterate through the gregs area
1048
1049 // this is only for the "general purpose" registers
1050
1051 #ifdef AMD64
1052 st->print("RAX="); print_location(st, uc->context_rax);
1053 st->print("RBX="); print_location(st, uc->context_rbx);
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