functions, unless the callers are changed to pass in the ginfo
field only, instead of the SYMBOL parameter. */
-#define DEPRECATED_SYMBOL_NAME(symbol) (symbol)->ginfo.name
#define SYMBOL_VALUE(symbol) (symbol)->ginfo.value.ivalue
#define SYMBOL_VALUE_ADDRESS(symbol) (symbol)->ginfo.value.address
#define SYMBOL_VALUE_BYTES(symbol) (symbol)->ginfo.value.bytes
extern void symbol_init_language_specific (struct general_symbol_info *symbol,
enum language language);
+/* Set just the linkage name of a symbol; do not try to demangle
+ it. Used for constructs which do not have a mangled name,
+ e.g. struct tags. Unlike SYMBOL_SET_NAMES, linkage_name must
+ be terminated and already on the objfile's obstack. */
+#define SYMBOL_SET_LINKAGE_NAME(symbol,linkage_name) \
+ (symbol)->ginfo.name = (linkage_name)
+
+/* Set the linkage and natural names of a symbol, by demangling
+ the linkage name. */
#define SYMBOL_SET_NAMES(symbol,linkage_name,len,objfile) \
symbol_set_names (&(symbol)->ginfo, linkage_name, len, objfile)
extern void symbol_set_names (struct general_symbol_info *symbol,
want to know what the linker thinks the symbol's name is. Use
SYMBOL_PRINT_NAME for output. Use SYMBOL_DEMANGLED_NAME if you
specifically need to know whether SYMBOL_NATURAL_NAME and
- SYMBOL_LINKAGE_NAME are different. Don't use
- DEPRECATED_SYMBOL_NAME at all: instances of that macro should be
- replaced by SYMBOL_NATURAL_NAME, SYMBOL_LINKAGE_NAME, or perhaps
- SYMBOL_PRINT_NAME. */
+ SYMBOL_LINKAGE_NAME are different. */
/* Return SYMBOL's "natural" name, i.e. the name that it was called in
the original source code. In languages like C++ where symbols may
/* Return SYMBOL's name from the point of view of the linker. In
languages like C++ where symbols may be mangled for ease of
manipulation by the linker, this is the mangled name; otherwise,
- it's the same as SYMBOL_NATURAL_NAME. This is currently identical
- to DEPRECATED_SYMBOL_NAME, but please use SYMBOL_LINKAGE_NAME when
- appropriate: it conveys the additional semantic information that
- you really have thought about the issue and decided that you mean
- SYMBOL_LINKAGE_NAME instead of SYMBOL_NATURAL_NAME. */
+ it's the same as SYMBOL_NATURAL_NAME. */
#define SYMBOL_LINKAGE_NAME(symbol) (symbol)->ginfo.name
that symbol. If no demangled name exists, return NULL. */
#define SYMBOL_DEMANGLED_NAME(symbol) \
(symbol_demangled_name (&(symbol)->ginfo))
-extern char *symbol_demangled_name (struct general_symbol_info *symbol);
+extern char *symbol_demangled_name (const struct general_symbol_info *symbol);
/* Macro that returns a version of the name of a symbol that is
suitable for output. In C++ this is the "demangled" form of the
LOC_STATIC,
- /* Value is in register. SYMBOL_VALUE is the register number. */
+ /* Value is in register. SYMBOL_VALUE is the register number.
+
+ For some symbol formats (stabs, for some compilers at least),
+ the compiler generates two symbols, an argument and a register.
+ In some cases we combine them to a single LOC_REGISTER in symbol
+ reading, but currently not for all cases (e.g. it's passed on the
+ stack and then loaded into a register). */
LOC_REGISTER,
LOC_REF_ARG,
- /* Value is in register number SYMBOL_VALUE. Just like LOC_REGISTER
- except this is an argument. Probably the cleaner way to handle
- this would be to separate address_class (which would include
- separate ARG and LOCAL to deal with the frame's arguments
- (get_frame_args_address) versus the frame's locals
- (get_frame_locals_address), and an is_argument flag.
-
- For some symbol formats (stabs, for some compilers at least),
- the compiler generates two symbols, an argument and a register.
- In some cases we combine them to a single LOC_REGPARM in symbol
- reading, but currently not for all cases (e.g. it's passed on the
- stack and then loaded into a register). */
-
- LOC_REGPARM,
-
- /* Value is in specified register. Just like LOC_REGPARM except the
+ /* Value is in specified register. Just like LOC_REGISTER except the
register holds the address of the argument instead of the argument
itself. This is currently used for the passing of structs and unions
on sparc and hppa. It is also used for call by reference where the
LOC_CONST_BYTES,
- /* Value is arg at SYMBOL_VALUE offset in stack frame. Differs from
- LOC_LOCAL in that symbol is an argument; differs from LOC_ARG in
- that we find it in the frame (get_frame_locals_address), not in
- the arglist (get_frame_args_address). Added for i960, which
- passes args in regs then copies to frame. */
-
- LOC_LOCAL_ARG,
-
- /* Value is at SYMBOL_VALUE offset from the current value of
- register number SYMBOL_BASEREG. This exists mainly for the same
- things that LOC_LOCAL and LOC_ARG do; but we need to do this
- instead because on 88k DWARF gives us the offset from the
- frame/stack pointer, rather than the offset from the "canonical
- frame address" used by COFF, stabs, etc., and we don't know how
- to convert between these until we start examining prologues.
-
- Note that LOC_BASEREG is much less general than a DWARF expression.
- We don't need the generality (at least not yet), and storing a general
- DWARF expression would presumably take up more space than the existing
- scheme. */
-
- LOC_BASEREG,
-
- /* Same as LOC_BASEREG but it is an argument. */
-
- LOC_BASEREG_ARG,
-
/* Value is at fixed address, but the address of the variable has
to be determined from the minimal symbol table whenever the
variable is referenced.
LOC_UNRESOLVED,
- /* Value is at a thread-specific location calculated by a
- target-specific method. This is used only by hppa. */
-
- LOC_HP_THREAD_LOCAL_STATIC,
-
/* The variable does not actually exist in the program.
The value is ignored. */
LOC_OPTIMIZED_OUT,
- /* The variable is static, but actually lives at * (address).
- * I.e. do an extra indirection to get to it.
- * This is used on HP-UX to get at globals that are allocated
- * in shared libraries, where references from images other
- * than the one where the global was allocated are done
- * with a level of indirection.
- */
-
- LOC_INDIRECT,
-
/* The variable's address is computed by a set of location
functions (see "struct symbol_ops" below). */
LOC_COMPUTED,
-
- /* Same as LOC_COMPUTED, but for function arguments. */
- LOC_COMPUTED_ARG
};
/* The methods needed to implement a symbol class. These methods can
ENUM_BITFIELD(address_class) aclass : 6;
+ /* Whether this is an argument. */
+
+ unsigned is_argument : 1;
+
/* Line number of definition. FIXME: Should we really make the assumption
that nobody will try to debug files longer than 64K lines? What about
machine generated programs? */
const struct symbol_ops *ops;
- /* Some symbols require additional information to be recorded on a
- per-symbol basis. Stash those values here. */
-
- union
- {
- /* Used by LOC_BASEREG and LOC_BASEREG_ARG. */
- short basereg;
- /* An arbitrary data pointer. Note that this data must be
- allocated using the same obstack as the symbol itself. */
- /* So far it is only used by LOC_COMPUTED and LOC_COMPUTED_ARG to
- find the location information. For a LOC_BLOCK symbol
- for a function in a compilation unit compiled with DWARF 2
- information, this is information used internally by the DWARF 2
- code --- specifically, the location expression for the frame
- base for this function. */
- /* FIXME drow/2003-02-21: For the LOC_BLOCK case, it might be better
- to add a magic symbol to the block containing this information,
- or to have a generic debug info annotation slot for symbols. */
- void *ptr;
- }
- aux_value;
+ /* An arbitrary data pointer, allowing symbol readers to record
+ additional information on a per-symbol basis. Note that this data
+ must be allocated using the same obstack as the symbol itself. */
+ /* So far it is only used by LOC_COMPUTED to
+ find the location information. For a LOC_BLOCK symbol
+ for a function in a compilation unit compiled with DWARF 2
+ information, this is information used internally by the DWARF 2
+ code --- specifically, the location expression for the frame
+ base for this function. */
+ /* FIXME drow/2003-02-21: For the LOC_BLOCK case, it might be better
+ to add a magic symbol to the block containing this information,
+ or to have a generic debug info annotation slot for symbols. */
+
+ void *aux_value;
struct symbol *hash_next;
};
#define SYMBOL_DOMAIN(symbol) (symbol)->domain
#define SYMBOL_CLASS(symbol) (symbol)->aclass
+#define SYMBOL_IS_ARGUMENT(symbol) (symbol)->is_argument
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
#define SYMBOL_SYMTAB(symbol) (symbol)->symtab
-#define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg
#define SYMBOL_OPS(symbol) (symbol)->ops
-#define SYMBOL_LOCATION_BATON(symbol) (symbol)->aux_value.ptr
+#define SYMBOL_LOCATION_BATON(symbol) (symbol)->aux_value
\f
/* A partial_symbol records the name, domain, and address class of
symbols whose types we have not parsed yet. For functions, it also
extern struct symtab *lookup_symtab (const char *);
-/* lookup a symbol by name (optional block, optional symtab) in language */
+/* lookup a symbol by name (optional block) in language. */
extern struct symbol *lookup_symbol_in_language (const char *,
const struct block *,
const domain_enum,
enum language,
- int *,
- struct symtab **);
+ int *);
/* lookup a symbol by name (optional block, optional symtab)
in the current language */
extern struct symbol *lookup_symbol (const char *, const struct block *,
- const domain_enum, int *,
- struct symtab **);
+ const domain_enum, int *);
/* A default version of lookup_symbol_nonlocal for use by languages
that can't think of anything better to do. */
extern struct symbol *basic_lookup_symbol_nonlocal (const char *,
const char *,
const struct block *,
- const domain_enum,
- struct symtab **);
+ const domain_enum);
/* Some helper functions for languages that need to write their own
lookup_symbol_nonlocal functions. */
extern struct symbol *lookup_symbol_static (const char *name,
const char *linkage_name,
const struct block *block,
- const domain_enum domain,
- struct symtab **symtab);
+ const domain_enum domain);
/* Lookup a symbol in all files' global blocks (searching psymtabs if
necessary). */
extern struct symbol *lookup_symbol_global (const char *name,
const char *linkage_name,
const struct block *block,
- const domain_enum domain,
- struct symtab **symtab);
+ const domain_enum domain);
/* Lookup a symbol within the block BLOCK. This, unlike
lookup_symbol_block, will set SYMTAB and BLOCK_FOUND correctly, and
extern struct symbol *lookup_symbol_aux_block (const char *name,
const char *linkage_name,
const struct block *block,
- const domain_enum domain,
- struct symtab **symtab);
+ const domain_enum domain);
/* Lookup a partial symbol. */
struct symbol *lookup_global_symbol_from_objfile (const struct objfile *objfile,
const char *name,
const char *linkage_name,
- const domain_enum domain,
- struct symtab **symtab);
+ const domain_enum domain);
extern struct symtabs_and_lines
expand_line_sal (struct symtab_and_line sal);
projects / deliverable / binutils-gdb.git / blobdiff