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comparison include/demangle.h @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
comparison
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131:84e7813d76e9 145:1830386684a0
1 /* Defs for interface to demanglers. 1 /* Defs for interface to demanglers.
2 Copyright (C) 1992-2018 Free Software Foundation, Inc. 2 Copyright (C) 1992-2020 Free Software Foundation, Inc.
3 3
4 This program is free software; you can redistribute it and/or 4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License 5 modify it under the terms of the GNU Library General Public License
6 as published by the Free Software Foundation; either version 2, or 6 as published by the Free Software Foundation; either version 2, or
7 (at your option) any later version. 7 (at your option) any later version.
51 types, even if present. It applies 51 types, even if present. It applies
52 only to the toplevel function type. 52 only to the toplevel function type.
53 */ 53 */
54 54
55 #define DMGL_AUTO (1 << 8) 55 #define DMGL_AUTO (1 << 8)
56 #define DMGL_GNU (1 << 9)
57 #define DMGL_LUCID (1 << 10)
58 #define DMGL_ARM (1 << 11)
59 #define DMGL_HP (1 << 12) /* For the HP aCC compiler;
60 same as ARM except for
61 template arguments, etc. */
62 #define DMGL_EDG (1 << 13)
63 #define DMGL_GNU_V3 (1 << 14) 56 #define DMGL_GNU_V3 (1 << 14)
64 #define DMGL_GNAT (1 << 15) 57 #define DMGL_GNAT (1 << 15)
65 #define DMGL_DLANG (1 << 16) 58 #define DMGL_DLANG (1 << 16)
66 #define DMGL_RUST (1 << 17) /* Rust wraps GNU_V3 style mangling. */ 59 #define DMGL_RUST (1 << 17) /* Rust wraps GNU_V3 style mangling. */
67 60
68 /* If none of these are set, use 'current_demangling_style' as the default. */ 61 /* If none of these are set, use 'current_demangling_style' as the default. */
69 #define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT|DMGL_DLANG|DMGL_RUST) 62 #define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT|DMGL_DLANG|DMGL_RUST)
70 63
64 /* Disable a limit on the depth of recursion in mangled strings.
65 Note if this limit is disabled then stack exhaustion is possible when
66 demangling pathologically complicated strings. Bug reports about stack
67 exhaustion when the option is enabled will be rejected. */
68 #define DMGL_NO_RECURSE_LIMIT (1 << 18)
69
70 /* If DMGL_NO_RECURSE_LIMIT is not enabled, then this is the value used as
71 the maximum depth of recursion allowed. It should be enough for any
72 real-world mangled name. */
73 #define DEMANGLE_RECURSION_LIMIT 2048
74
71 /* Enumeration of possible demangling styles. 75 /* Enumeration of possible demangling styles.
72 76
73 Lucid and ARM styles are still kept logically distinct, even though 77 Lucid and ARM styles are still kept logically distinct, even though
74 they now both behave identically. The resulting style is actual the 78 they now both behave identically. The resulting style is actual the
75 union of both. I.E. either style recognizes both "__pt__" and "__rf__" 79 union of both. I.E. either style recognizes both "__pt__" and "__rf__"
79 extern enum demangling_styles 83 extern enum demangling_styles
80 { 84 {
81 no_demangling = -1, 85 no_demangling = -1,
82 unknown_demangling = 0, 86 unknown_demangling = 0,
83 auto_demangling = DMGL_AUTO, 87 auto_demangling = DMGL_AUTO,
84 gnu_demangling = DMGL_GNU,
85 lucid_demangling = DMGL_LUCID,
86 arm_demangling = DMGL_ARM,
87 hp_demangling = DMGL_HP,
88 edg_demangling = DMGL_EDG,
89 gnu_v3_demangling = DMGL_GNU_V3, 88 gnu_v3_demangling = DMGL_GNU_V3,
90 java_demangling = DMGL_JAVA, 89 java_demangling = DMGL_JAVA,
91 gnat_demangling = DMGL_GNAT, 90 gnat_demangling = DMGL_GNAT,
92 dlang_demangling = DMGL_DLANG, 91 dlang_demangling = DMGL_DLANG,
93 rust_demangling = DMGL_RUST 92 rust_demangling = DMGL_RUST
95 94
96 /* Define string names for the various demangling styles. */ 95 /* Define string names for the various demangling styles. */
97 96
98 #define NO_DEMANGLING_STYLE_STRING "none" 97 #define NO_DEMANGLING_STYLE_STRING "none"
99 #define AUTO_DEMANGLING_STYLE_STRING "auto" 98 #define AUTO_DEMANGLING_STYLE_STRING "auto"
100 #define GNU_DEMANGLING_STYLE_STRING "gnu"
101 #define LUCID_DEMANGLING_STYLE_STRING "lucid"
102 #define ARM_DEMANGLING_STYLE_STRING "arm"
103 #define HP_DEMANGLING_STYLE_STRING "hp"
104 #define EDG_DEMANGLING_STYLE_STRING "edg"
105 #define GNU_V3_DEMANGLING_STYLE_STRING "gnu-v3" 99 #define GNU_V3_DEMANGLING_STYLE_STRING "gnu-v3"
106 #define JAVA_DEMANGLING_STYLE_STRING "java" 100 #define JAVA_DEMANGLING_STYLE_STRING "java"
107 #define GNAT_DEMANGLING_STYLE_STRING "gnat" 101 #define GNAT_DEMANGLING_STYLE_STRING "gnat"
108 #define DLANG_DEMANGLING_STYLE_STRING "dlang" 102 #define DLANG_DEMANGLING_STYLE_STRING "dlang"
109 #define RUST_DEMANGLING_STYLE_STRING "rust" 103 #define RUST_DEMANGLING_STYLE_STRING "rust"
110 104
111 /* Some macros to test what demangling style is active. */ 105 /* Some macros to test what demangling style is active. */
112 106
113 #define CURRENT_DEMANGLING_STYLE current_demangling_style 107 #define CURRENT_DEMANGLING_STYLE current_demangling_style
114 #define AUTO_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_AUTO) 108 #define AUTO_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_AUTO)
115 #define GNU_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU)
116 #define LUCID_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_LUCID)
117 #define ARM_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_ARM)
118 #define HP_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_HP)
119 #define EDG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_EDG)
120 #define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3) 109 #define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3)
121 #define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA) 110 #define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA)
122 #define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT) 111 #define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT)
123 #define DLANG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_DLANG) 112 #define DLANG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_DLANG)
124 #define RUST_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_RUST) 113 #define RUST_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_RUST)
134 } libiberty_demanglers[]; 123 } libiberty_demanglers[];
135 124
136 extern char * 125 extern char *
137 cplus_demangle (const char *mangled, int options); 126 cplus_demangle (const char *mangled, int options);
138 127
139 extern int
140 cplus_demangle_opname (const char *opname, char *result, int options);
141
142 extern const char *
143 cplus_mangle_opname (const char *opname, int options);
144
145 /* Note: This sets global state. FIXME if you care about multi-threading. */ 128 /* Note: This sets global state. FIXME if you care about multi-threading. */
146
147 extern void
148 set_cplus_marker_for_demangling (int ch);
149 129
150 extern enum demangling_styles 130 extern enum demangling_styles
151 cplus_demangle_set_style (enum demangling_styles style); 131 cplus_demangle_set_style (enum demangling_styles style);
152 132
153 extern enum demangling_styles 133 extern enum demangling_styles
177 ada_demangle (const char *mangled, int options); 157 ada_demangle (const char *mangled, int options);
178 158
179 extern char * 159 extern char *
180 dlang_demangle (const char *mangled, int options); 160 dlang_demangle (const char *mangled, int options);
181 161
182 /* Returns non-zero iff MANGLED is a rust mangled symbol. MANGLED must 162 extern int
183 already have been demangled through cplus_demangle_v3. If this function 163 rust_demangle_callback (const char *mangled, int options,
184 returns non-zero then MANGLED can be demangled (in-place) using 164 demangle_callbackref callback, void *opaque);
185 RUST_DEMANGLE_SYM. */ 165
186 extern int 166
187 rust_is_mangled (const char *mangled);
188
189 /* Demangles SYM (in-place) if RUST_IS_MANGLED returned non-zero for SYM.
190 If RUST_IS_MANGLED returned zero for SYM then RUST_DEMANGLE_SYM might
191 replace characters that cannot be demangled with '?' and might truncate
192 SYM. After calling RUST_DEMANGLE_SYM SYM might be shorter, but never
193 larger. */
194 extern void
195 rust_demangle_sym (char *sym);
196
197 /* Demangles MANGLED if it was GNU_V3 and then RUST mangled, otherwise
198 returns NULL. Uses CPLUS_DEMANGLE_V3, RUST_IS_MANGLED and
199 RUST_DEMANGLE_SYM. Returns a new string that is owned by the caller. */
200 extern char * 167 extern char *
201 rust_demangle (const char *mangled, int options); 168 rust_demangle (const char *mangled, int options);
202 169
203 enum gnu_v3_ctor_kinds { 170 enum gnu_v3_ctor_kinds {
204 gnu_v3_complete_object_ctor = 1, 171 gnu_v3_complete_object_ctor = 1,
390 DEMANGLE_COMPONENT_ARGLIST, 357 DEMANGLE_COMPONENT_ARGLIST,
391 /* A template argument list. The left subtree is the current 358 /* A template argument list. The left subtree is the current
392 template argument, and the right subtree is either NULL or 359 template argument, and the right subtree is either NULL or
393 another TEMPLATE_ARGLIST node. */ 360 another TEMPLATE_ARGLIST node. */
394 DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, 361 DEMANGLE_COMPONENT_TEMPLATE_ARGLIST,
362 /* A template parameter object (C++20). The left subtree is the
363 corresponding template argument. */
364 DEMANGLE_COMPONENT_TPARM_OBJ,
395 /* An initializer list. The left subtree is either an explicit type or 365 /* An initializer list. The left subtree is either an explicit type or
396 NULL, and the right subtree is a DEMANGLE_COMPONENT_ARGLIST. */ 366 NULL, and the right subtree is a DEMANGLE_COMPONENT_ARGLIST. */
397 DEMANGLE_COMPONENT_INITIALIZER_LIST, 367 DEMANGLE_COMPONENT_INITIALIZER_LIST,
398 /* An operator. This holds information about a standard 368 /* An operator. This holds information about a standard
399 operator. */ 369 operator. */
496 466
497 /* Guard against recursive component printing. 467 /* Guard against recursive component printing.
498 Initialize to zero. Private to d_print_comp. 468 Initialize to zero. Private to d_print_comp.
499 All other fields are final after initialization. */ 469 All other fields are final after initialization. */
500 int d_printing; 470 int d_printing;
471 int d_counting;
501 472
502 union 473 union
503 { 474 {
504 /* For DEMANGLE_COMPONENT_NAME. */ 475 /* For DEMANGLE_COMPONENT_NAME. */
505 struct 476 struct