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-rw-r--r--gdb/ChangeLog4
-rw-r--r--gdb/symtab.h165
2 files changed, 140 insertions, 29 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dd86aa1..5cab92a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+Tue Mar 23 00:10:53 1993 John Gilmore (gnu@cygnus.com)
+
+ * symtab.h (struct linetable_entry): Remove confusing comment.
+
Tue Mar 23 00:01:23 1993 david d `zoo' zuhn (zoo at cirdan.cygnus.com)
* Makefile.in: add installcheck target
diff --git a/gdb/symtab.h b/gdb/symtab.h
index 392ed4f..304e8c7 100644
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -84,13 +84,20 @@ struct general_symbol_info
/* Since one and only one language can apply, wrap the information inside
a union. */
- union
+ union lang_specific
{
/* For C++ */
- struct
+ struct cplus_specific
{
char *demangled_name;
} cplus_specific;
+ /* start-sanitize-chill */
+ /* For Chill */
+ struct chill_specific
+ {
+ char *demangled_name;
+ } chill_specific;
+ /* end-sanitize-chill */
} lang_u;
} lang_specific;
};
@@ -102,30 +109,137 @@ struct general_symbol_info
#define SYMBOL_BLOCK_VALUE(symbol) (symbol)->ginfo.value.block
#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->ginfo.value.chain
#define SYMBOL_LANGUAGE(symbol) (symbol)->ginfo.lang_specific.language
-#define SYMBOL_DEMANGLED_NAME(symbol) \
+
+#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
(symbol)->ginfo.lang_specific.lang_u.cplus_specific.demangled_name
+
extern int demangle; /* We reference it, so go ahead and declare it. */
+/* Macro that initializes the language dependent portion of a symbol
+ depending upon the language for the symbol. */
+
+#define SYMBOL_INIT_LANGUAGE_SPECIFIC(symbol,language) \
+ do { \
+ SYMBOL_LANGUAGE (symbol) = language; \
+ if (SYMBOL_LANGUAGE (symbol) == language_cplus) \
+ { \
+ SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
+ } \
+ /* start-sanitize-chill */ \
+ else if (SYMBOL_LANGUAGE (symbol) == language_chill) \
+ { \
+ SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; \
+ } \
+ /* end-sanitize-chill */ \
+ else \
+ { \
+ memset (&(symbol)->ginfo.lang_specific.lang_u, 0, \
+ sizeof ((symbol)->ginfo.lang_specific.lang_u)); \
+ } \
+ } while (0)
+
+/* Macro that attempts to initialize the demangled name for a symbol,
+ based on the language of that symbol. If the language is set to
+ language_auto, it will attempt to find any demangling algorithm
+ that works and then set the language appropriately. If no demangling
+ of any kind is found, the language is set back to language_unknown,
+ so we can avoid doing this work again the next time we encounter
+ the symbol. Any required space to store the name is obtained from the
+ specified obstack. */
+
+#define SYMBOL_INIT_DEMANGLED_NAME(symbol,obstack) \
+ do { \
+ char *demangled = NULL; \
+ if (SYMBOL_LANGUAGE (symbol) == language_cplus \
+ || SYMBOL_LANGUAGE (symbol) == language_auto) \
+ { \
+ demangled = \
+ cplus_demangle (SYMBOL_NAME (symbol), DMGL_PARAMS | DMGL_ANSI);\
+ if (demangled != NULL) \
+ { \
+ SYMBOL_LANGUAGE (symbol) = language_cplus; \
+ SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = \
+ obsavestring (demangled, strlen (demangled), (obstack)); \
+ free (demangled); \
+ } \
+ else \
+ { \
+ SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
+ } \
+ } \
+ /* start-sanitize-chill */ \
+ if (demangled == NULL \
+ && (SYMBOL_LANGUAGE (symbol) == language_chill \
+ || SYMBOL_LANGUAGE (symbol) == language_auto)) \
+ { \
+ demangled = \
+ chill_demangle (SYMBOL_NAME (symbol)); \
+ if (demangled != NULL) \
+ { \
+ SYMBOL_LANGUAGE (symbol) = language_chill; \
+ SYMBOL_CHILL_DEMANGLED_NAME (symbol) = \
+ obsavestring (demangled, strlen (demangled), (obstack)); \
+ free (demangled); \
+ } \
+ else \
+ { \
+ SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; \
+ } \
+ } \
+ /* end-sanitize-chill */ \
+ if (SYMBOL_LANGUAGE (symbol) == language_auto) \
+ { \
+ SYMBOL_LANGUAGE (symbol) = language_unknown; \
+ } \
+ } while (0)
+
+/* Macro that returns the demangled name for a symbol based on the language
+ for that symbol. If no demangled name exists, returns NULL. */
+
+#define SYMBOL_DEMANGLED_NAME(symbol) \
+ (SYMBOL_LANGUAGE (symbol) == language_cplus \
+ ? SYMBOL_CPLUS_DEMANGLED_NAME (symbol) \
+ : NULL)
+
+/* start-sanitize-chill */
+
+#define SYMBOL_CHILL_DEMANGLED_NAME(symbol) \
+ (symbol)->ginfo.lang_specific.lang_u.chill_specific.demangled_name
+
+/* Redefine SYMBOL_DEMANGLED_NAME. This is simplier than trying to
+ devise a macro for which part of it can be cleanly sanitized away. */
+
+#undef SYMBOL_DEMANGLED_NAME
+#define SYMBOL_DEMANGLED_NAME(symbol) \
+ (SYMBOL_LANGUAGE (symbol) == language_cplus \
+ ? SYMBOL_CPLUS_DEMANGLED_NAME (symbol) \
+ : (SYMBOL_LANGUAGE (symbol) == language_chill \
+ ? SYMBOL_CHILL_DEMANGLED_NAME (symbol) \
+ : NULL))
+
+/* end-sanitize-chill */
+
/* Macro that returns the "natural source name" of a symbol. In C++ this is
the "demangled" form of the name if demangle is on and the "mangled" form
of the name if demangle is off. In other languages this is just the
- symbol name. */
+ symbol name. The result should never be NULL. */
-#define SYMBOL_SOURCE_NAME(symbol) \
- ((demangle && (SYMBOL_LANGUAGE(symbol) == language_cplus) && \
- (SYMBOL_DEMANGLED_NAME(symbol) != NULL)) ? \
- SYMBOL_DEMANGLED_NAME (symbol) : SYMBOL_NAME (symbol))
+#define SYMBOL_SOURCE_NAME(symbol) \
+ (demangle && SYMBOL_DEMANGLED_NAME (symbol) != NULL \
+ ? SYMBOL_DEMANGLED_NAME (symbol) \
+ : SYMBOL_NAME (symbol))
/* Macro that returns the "natural assembly name" of a symbol. In C++ this is
the "mangled" form of the name if demangle is off, or if demangle is on and
asm_demangle is off. Otherwise if asm_demangle is on it is the "demangled"
- form. In other languages this is just the symbol name. */
+ form. In other languages this is just the symbol name. The result should
+ never be NULL. */
-#define SYMBOL_LINKAGE_NAME(symbol) \
- ((demangle && asm_demangle && (SYMBOL_LANGUAGE(symbol) == language_cplus) &&\
- (SYMBOL_DEMANGLED_NAME(symbol) != NULL)) ? \
- SYMBOL_DEMANGLED_NAME (symbol) : SYMBOL_NAME (symbol))
+#define SYMBOL_LINKAGE_NAME(symbol) \
+ (demangle && asm_demangle && SYMBOL_DEMANGLED_NAME (symbol) != NULL \
+ ? SYMBOL_DEMANGLED_NAME (symbol) \
+ : SYMBOL_NAME (symbol))
/* Macro that tests a symbol for a match against a specified name string.
First test the unencoded name, then looks for and test a C++ encoded
@@ -134,22 +248,20 @@ extern int demangle; /* We reference it, so go ahead and declare it. */
"foo :: bar (int, long)".
Evaluates to zero if the match fails, or nonzero if it succeeds. */
-#define SYMBOL_MATCHES_NAME(symbol, name) \
- (STREQ (SYMBOL_NAME (symbol), (name)) || \
- (SYMBOL_LANGUAGE (symbol) == language_cplus && \
- SYMBOL_DEMANGLED_NAME (symbol) != NULL && \
- strcmp_iw (SYMBOL_DEMANGLED_NAME (symbol), (name)) == 0))
+#define SYMBOL_MATCHES_NAME(symbol, name) \
+ (STREQ (SYMBOL_NAME (symbol), (name)) \
+ || (SYMBOL_DEMANGLED_NAME (symbol) != NULL \
+ && strcmp_iw (SYMBOL_DEMANGLED_NAME (symbol), (name)) == 0))
/* Macro that tests a symbol for an re-match against the last compiled regular
expression. First test the unencoded name, then look for and test a C++
encoded name if it exists.
Evaluates to zero if the match fails, or nonzero if it succeeds. */
-#define SYMBOL_MATCHES_REGEXP(symbol) \
- (re_exec (SYMBOL_NAME (symbol)) != 0 || \
- (SYMBOL_LANGUAGE (symbol) == language_cplus && \
- SYMBOL_DEMANGLED_NAME (symbol) != NULL && \
- re_exec (SYMBOL_DEMANGLED_NAME (symbol)) != 0))
+#define SYMBOL_MATCHES_REGEXP(symbol) \
+ (re_exec (SYMBOL_NAME (symbol)) != 0 \
+ || (SYMBOL_DEMANGLED_NAME (symbol) != NULL \
+ && re_exec (SYMBOL_DEMANGLED_NAME (symbol)) != 0))
/* Define a simple structure used to hold some very basic information about
all defined global symbols (text, data, bss, abs, etc). The only required
@@ -509,12 +621,7 @@ struct sourcevector
/* Each item represents a line-->pc (or the reverse) mapping. This is
somewhat more wasteful of space than one might wish, but since only
the files which are actually debugged are read in to core, we don't
- waste much space.
-
- Each item used to be an int; either minus a line number, or a
- program counter. If it represents a line number, that is the line
- described by the next program counter value. If it is positive, it
- is the program counter at which the code for the next line starts. */
+ waste much space. */
struct linetable_entry
{