1 /* src/vm/jit/stacktrace.h - header file for stacktrace generation
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 $Id: stacktrace.h 8318 2007-08-16 10:05:34Z michi $
33 /* forward typedefs ***********************************************************/
35 typedef struct stackframeinfo stackframeinfo;
36 typedef struct stacktracebuffer stacktracebuffer;
37 typedef struct stacktrace_entry stacktrace_entry;
42 #include "vmcore/class.h"
43 #include "vmcore/method.h"
46 /* stackframeinfo **************************************************************
48 ATTENTION: Keep the number of elements of this structure even, to
49 make sure that the stack keeps aligned (e.g. 16-bytes for x86_64).
51 *******************************************************************************/
53 struct stackframeinfo {
54 stackframeinfo *prev; /* pointer to prev stackframeinfo */
55 methodinfo *method; /* methodinfo of current function */
56 u1 *pv; /* PV of current function */
57 u1 *sp; /* SP of parent Java function */
58 u1 *ra; /* RA to parent Java function */
59 u1 *xpc; /* XPC (for inline stubs) */
63 /* stacktrace_entry ***********************************************************/
65 struct stacktrace_entry {
66 #if SIZEOF_VOID_P == 8
75 /* stacktracebuffer ***********************************************************/
77 #define STACKTRACE_CAPACITY_DEFAULT 80
78 #define STACKTRACE_CAPACITY_INCREMENT 80
80 struct stacktracebuffer {
81 s4 capacity; /* size of the buffer */
82 s4 used; /* current entries in the buffer */
83 stacktrace_entry *entries; /* the actual entries */
87 /* stacktracecontainer ********************************************************
89 ATTENTION: Use the stacktracecontainer to place a stacktrace onto the heap
90 with stacktrace_fillInStackTrace() so that the GC does not get confused.
92 *******************************************************************************/
94 typedef struct stacktracecontainer {
95 java_array_t header; /* default array header for the GC */
96 struct stacktracebuffer stb; /* let entries point to data below */
97 stacktrace_entry data[1]; /* the actual array of entries */
98 } stacktracecontainer;
101 /* function prototypes ********************************************************/
103 #if defined(ENABLE_INTRP)
104 void stacktrace_create_stackframeinfo(stackframeinfo *sfi, u1 *pv, u1 *sp,
108 void stacktrace_create_extern_stackframeinfo(stackframeinfo *sfi, u1 *pv,
109 u1 *sp, u1 *ra, u1 *xpc);
111 void stacktrace_create_native_stackframeinfo(stackframeinfo *sfi, u1 *pv,
114 void stacktrace_remove_stackframeinfo(stackframeinfo *sfi);
117 stacktracebuffer *stacktrace_create(stackframeinfo *sfi);
119 stacktracecontainer *stacktrace_fillInStackTrace(void);
121 #if defined(ENABLE_JAVASE)
122 java_handle_objectarray_t *stacktrace_getClassContext(void);
123 classinfo *stacktrace_getCurrentClass(void);
124 java_handle_objectarray_t *stacktrace_getStack(void);
127 void stacktrace_print_trace_from_buffer(stacktracebuffer *stb);
128 void stacktrace_print_trace(java_handle_t *xptr);
130 /* machine dependent functions (code in ARCH_DIR/md.c) */
132 #if defined(ENABLE_JIT)
133 u1 *md_stacktrace_get_returnaddress(u1 *sp, u4 framesize);
134 # if defined(__SPARC_64__)
135 u1 *md_get_framepointer(u1 *sp);
136 u1 *md_get_pv_from_stackframe(u1 *sp);
140 #if defined(ENABLE_INTRP)
141 u1 *intrp_md_stacktrace_get_returnaddress(u1 *sp, u4 framesize);
144 #if defined(ENABLE_CYCLES_STATS)
145 void stacktrace_print_cycles_stats(FILE *file);
148 #endif /* _STACKTRACE_H */
152 * These are local overrides for various environment variables in Emacs.
153 * Please do not remove this and leave it at the end of the file, where
154 * Emacs will automagically detect them.
155 * ---------------------------------------------------------------------
158 * indent-tabs-mode: t