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* symtab.h (struct linetable_entry): Remove confusing comment.

This commit is contained in:
John Gilmore 1993-03-23 08:13:11 +00:00
parent 80c8fd72ed
commit ece2e98a0c
2 changed files with 140 additions and 29 deletions
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4
gdb/ChangeLog
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@ -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

165
gdb/symtab.h
View File

@ -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
{