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
31 /* forward typedefs ***********************************************************/
33 typedef struct stackframeinfo_t stackframeinfo_t;
34 typedef struct stacktracebuffer stacktracebuffer;
35 typedef struct stacktrace_entry stacktrace_entry;
45 #include "vmcore/class.h"
46 #include "vmcore/method.h"
49 /* stackframeinfo **************************************************************
51 ATTENTION: Keep the number of elements of this structure even, to
52 make sure that the stack keeps aligned (e.g. 16-bytes for x86_64).
54 *******************************************************************************/
56 struct stackframeinfo_t {
57 stackframeinfo_t *prev; /* pointer to prev stackframeinfo */
58 codeinfo *code; /* codeinfo of current method */
59 u1 *pv; /* PV of current function */
60 u1 *sp; /* SP of parent Java function */
61 u1 *ra; /* RA to parent Java function */
62 u1 *xpc; /* XPC (for inline stubs) */
63 #if defined(ENABLE_GC_CACAO)
65 * The exact GC needs to be able to recover saved registers, so the
66 * native-stub saves these registers here
68 # if defined(HAS_ADDRESS_REGISTER_FILE)
69 uintptr_t adrregs[ADR_SAV_CNT];
71 uintptr_t intregs[INT_SAV_CNT];
77 /* stacktrace_entry ***********************************************************/
79 struct stacktrace_entry {
80 #if SIZEOF_VOID_P == 8
89 /* stacktracebuffer ***********************************************************/
91 #define STACKTRACE_CAPACITY_DEFAULT 80
92 #define STACKTRACE_CAPACITY_INCREMENT 80
94 struct stacktracebuffer {
95 s4 capacity; /* size of the buffer */
96 s4 used; /* current entries in the buffer */
97 stacktrace_entry entries[80]; /* the actual entries */
101 /* function prototypes ********************************************************/
103 void stacktrace_stackframeinfo_add(stackframeinfo_t *sfi, u1 *pv, u1 *sp, u1 *ra, u1 *xpc);
104 void stacktrace_stackframeinfo_remove(stackframeinfo_t *sfi);
107 stacktracebuffer *stacktrace_create(stackframeinfo_t *sfi);
109 java_handle_bytearray_t *stacktrace_fillInStackTrace(void);
111 #if defined(ENABLE_JAVASE)
112 java_handle_objectarray_t *stacktrace_getClassContext(void);
113 classinfo *stacktrace_getCurrentClass(void);
114 java_handle_objectarray_t *stacktrace_getStack(void);
117 void stacktrace_print_trace_from_buffer(stacktracebuffer *stb);
118 void stacktrace_print_exception(java_handle_t *h);
120 /* machine dependent functions (code in ARCH_DIR/md.c) */
122 #if defined(ENABLE_JIT)
123 # if defined(__SPARC_64__)
124 u1 *md_get_framepointer(u1 *sp);
125 u1 *md_get_pv_from_stackframe(u1 *sp);
129 #if defined(ENABLE_INTRP)
130 u1 *intrp_md_stacktrace_get_returnaddress(u1 *sp, u4 framesize);
133 #if defined(ENABLE_CYCLES_STATS)
134 void stacktrace_print_cycles_stats(FILE *file);
137 #endif /* _STACKTRACE_H */
141 * These are local overrides for various environment variables in Emacs.
142 * Please do not remove this and leave it at the end of the file, where
143 * Emacs will automagically detect them.
144 * ---------------------------------------------------------------------
147 * indent-tabs-mode: t
151 * vim:noexpandtab:sw=4:ts=4: