1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _DT_PCB_H
28#define _DT_PCB_H
29
30#pragma ident "%Z%%M% %I% %E% SMI"
31
32#include <dtrace.h>
33#include <setjmp.h>
34#include <stdio.h>
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40#include <dt_parser.h>
41#include <dt_regset.h>
42#include <dt_inttab.h>
43#include <dt_strtab.h>
44#include <dt_decl.h>
45#include <dt_as.h>
46
47typedef struct dt_pcb {
48 dtrace_hdl_t *pcb_hdl; /* pointer to library handle */
49 struct dt_pcb *pcb_prev; /* pointer to previous pcb in stack */
50 FILE *pcb_fileptr; /* pointer to input file (or NULL) */
51 char *pcb_filetag; /* optional file name string (or NULL) */
52 const char *pcb_string; /* pointer to input string (or NULL) */
53 const char *pcb_strptr; /* pointer to input position */
54 size_t pcb_strlen; /* length of pcb_string */
55 int pcb_sargc; /* number of script arguments (if any) */
56 char *const *pcb_sargv; /* script argument strings (if any) */
57 ushort_t *pcb_sflagv; /* script argument flags (DT_IDFLG_* bits) */
58 dt_scope_t pcb_dstack; /* declaration processing stack */
59 dt_node_t *pcb_list; /* list of allocated parse tree nodes */
60 dt_node_t *pcb_hold; /* parse tree nodes on hold until end of defn */
61 dt_node_t *pcb_root; /* root of current parse tree */
62 dt_idstack_t pcb_globals; /* stack of global identifier hash tables */
63 dt_idhash_t *pcb_locals; /* current hash table of local identifiers */
64 dt_idhash_t *pcb_idents; /* current hash table of ambiguous idents */
65 dt_idhash_t *pcb_pragmas; /* current hash table of pending pragmas */
66 dt_inttab_t *pcb_inttab; /* integer table for constant references */
67 dt_strtab_t *pcb_strtab; /* string table for string references */
68 dt_regset_t *pcb_regs; /* register set for code generation */
69 dt_irlist_t pcb_ir; /* list of unrelocated IR instructions */
70 uint_t pcb_asvidx; /* assembler vartab index (see dt_as.c) */
71 ulong_t **pcb_asxrefs; /* assembler imported xlators (see dt_as.c) */
72 uint_t pcb_asxreflen; /* assembler xlator map length (see dt_as.c) */
73 const dtrace_probedesc_t *pcb_pdesc; /* probedesc for current context */
74 struct dt_probe *pcb_probe; /* probe associated with current context */
75 dtrace_probeinfo_t pcb_pinfo; /* info associated with current context */
76 dtrace_attribute_t pcb_amin; /* stability minimum for compilation */
77 dt_node_t *pcb_dret; /* node containing return type for assembler */
78 dtrace_difo_t *pcb_difo; /* intermediate DIF object made by assembler */
79 dtrace_prog_t *pcb_prog; /* intermediate program made by compiler */
80 dtrace_stmtdesc_t *pcb_stmt; /* intermediate stmt made by compiler */
81 dtrace_ecbdesc_t *pcb_ecbdesc; /* intermediate ecbdesc made by cmplr */
82 jmp_buf pcb_jmpbuf; /* setjmp(3C) buffer for error return */
83 const char *pcb_region; /* optional region name for yyerror() suffix */
84 dtrace_probespec_t pcb_pspec; /* probe description evaluation context */
85 uint_t pcb_cflags; /* optional compilation flags (see dtrace.h) */
86 uint_t pcb_idepth; /* preprocessor #include nesting depth */
87 yystate_t pcb_yystate; /* lex/yacc parsing state (see yybegin()) */
88 int pcb_context; /* yyparse() rules context (DT_CTX_* value) */
89 int pcb_token; /* token to be returned by yylex() (if != 0) */
90 int pcb_cstate; /* state to be restored by lexer at state end */
91 int pcb_braces; /* number of open curly braces in lexer */
92 int pcb_brackets; /* number of open square brackets in lexer */
93 int pcb_parens; /* number of open parentheses in lexer */
94} dt_pcb_t;
95
96extern void dt_pcb_push(dtrace_hdl_t *, dt_pcb_t *);
97extern void dt_pcb_pop(dtrace_hdl_t *, int);
98
99#ifdef __cplusplus
100}
101#endif
102
103#endif /* _DT_PCB_H */
104