/* Symbol table definitions for GDB.
- Copyright 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software
+ Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#if !defined (SYMTAB_H)
#define SYMTAB_H 1
-/* Some definitions and declarations to go with use of obstacks. */
-
-#include "obstack.h"
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-#include "bcache.h"
+/* Opaque declarations. */
+struct ui_file;
+struct frame_info;
+struct symbol;
+struct obstack;
+struct objfile;
+struct block;
+struct blockvector;
+struct axs_value;
+struct agent_expr;
/* Don't do this; it means that if some .o's are compiled with GNU C
and some are not (easy to do accidentally the way we configure
#if 0 && defined(__GNUC__) && !defined(BYTE_BITFIELD)
#define BYTE_BITFIELD :8;
#else
-#define BYTE_BITFIELD /*nothing*/
+#define BYTE_BITFIELD /*nothing */
#endif
/* Define a structure for the information that is common to all symbol types,
struct general_symbol_info
{
- /* Name of the symbol. This is a required field. Storage for the name is
- allocated on the psymbol_obstack or symbol_obstack for the associated
- objfile. */
+ /* Name of the symbol. This is a required field. Storage for the
+ name is allocated on the psymbol_obstack or symbol_obstack for
+ the associated objfile. For languages like C++ that make a
+ distinction between the mangled name and demangled name, this is
+ the mangled name. */
char *name;
target byte order, e.g. LOC_CONST_BYTES). */
union
- {
- /* The fact that this is a long not a LONGEST mainly limits the
- range of a LOC_CONST. Since LOC_CONST_BYTES exists, I'm not
- sure that is a big deal. */
- long ivalue;
+ {
+ /* The fact that this is a long not a LONGEST mainly limits the
+ range of a LOC_CONST. Since LOC_CONST_BYTES exists, I'm not
+ sure that is a big deal. */
+ long ivalue;
- struct block *block;
+ struct block *block;
- char *bytes;
+ char *bytes;
- CORE_ADDR address;
+ CORE_ADDR address;
- /* for opaque typedef struct chain */
+ /* for opaque typedef struct chain */
- struct symbol *chain;
- }
+ struct symbol *chain;
+ }
value;
/* Since one and only one language can apply, wrap the language specific
information inside a union. */
union
+ {
+ struct cplus_specific
{
- struct cplus_specific /* For C++ and Java */
- {
- char *demangled_name;
- } cplus_specific;
- struct chill_specific /* For Chill */
- {
- char *demangled_name;
- } chill_specific;
- } language_specific;
+ /* This is in fact used for C++, Java, and Objective C. */
+ char *demangled_name;
+ }
+ cplus_specific;
+ }
+ language_specific;
/* Record the source code language that applies to this symbol.
This is used to select one of the fields from the language specific
asection *bfd_section;
};
-extern CORE_ADDR symbol_overlayed_address PARAMS((CORE_ADDR, asection *));
+extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *);
-#define SYMBOL_NAME(symbol) (symbol)->ginfo.name
+/* Note that all the following SYMBOL_* macros are used with the
+ SYMBOL argument being either a partial symbol, a minimal symbol or
+ a full symbol. All three types have a ginfo field. In particular
+ the SYMBOL_INIT_LANGUAGE_SPECIFIC, SYMBOL_INIT_DEMANGLED_NAME,
+ SYMBOL_DEMANGLED_NAME macros cannot be entirely substituted by
+ 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
#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
(symbol)->ginfo.language_specific.cplus_specific.demangled_name
-/* Macro that initializes the language dependent portion of a symbol
+/* 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_LANGUAGE (symbol) == language_java) \
- { \
- SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
- } \
- else if (SYMBOL_LANGUAGE (symbol) == language_chill) \
- { \
- SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; \
- } \
- else \
- { \
- memset (&(symbol)->ginfo.language_specific, 0, \
- sizeof ((symbol)->ginfo.language_specific)); \
- } \
- } 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; \
- } \
- } \
- if (SYMBOL_LANGUAGE (symbol) == language_java) \
- { \
- demangled = \
- cplus_demangle (SYMBOL_NAME (symbol), \
- DMGL_PARAMS | DMGL_ANSI | DMGL_JAVA); \
- if (demangled != NULL) \
- { \
- SYMBOL_LANGUAGE (symbol) = language_java; \
- SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = \
- obsavestring (demangled, strlen (demangled), (obstack)); \
- free (demangled); \
- } \
- else \
- { \
- SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
- } \
- } \
- 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; \
- } \
- } \
- 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_LANGUAGE (symbol) == language_java \
- ? SYMBOL_CPLUS_DEMANGLED_NAME (symbol) \
- : (SYMBOL_LANGUAGE (symbol) == language_chill \
- ? SYMBOL_CHILL_DEMANGLED_NAME (symbol) \
- : NULL))
-
-#define SYMBOL_CHILL_DEMANGLED_NAME(symbol) \
- (symbol)->ginfo.language_specific.chill_specific.demangled_name
-
-/* 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. The result should never be NULL. */
-
-#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. The result should
- never be NULL. */
-
-#define SYMBOL_LINKAGE_NAME(symbol) \
- (demangle && asm_demangle && SYMBOL_DEMANGLED_NAME (symbol) != NULL \
- ? SYMBOL_DEMANGLED_NAME (symbol) \
- : SYMBOL_NAME (symbol))
+#define SYMBOL_INIT_LANGUAGE_SPECIFIC(symbol,language) \
+ (symbol_init_language_specific (&(symbol)->ginfo, (language)))
+extern void symbol_init_language_specific (struct general_symbol_info *symbol,
+ enum language language);
+
+#define SYMBOL_INIT_DEMANGLED_NAME(symbol,obstack) \
+ (symbol_init_demangled_name (&(symbol)->ginfo, (obstack)))
+extern void symbol_init_demangled_name (struct general_symbol_info *symbol,
+ struct obstack *obstack);
+
+#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,
+ const char *linkage_name, int len,
+ struct objfile *objfile);
+
+/* Now come lots of name accessor macros. Short version as to when to
+ use which: Use SYMBOL_NATURAL_NAME to refer to the name of the
+ symbol in the original source code. Use SYMBOL_LINKAGE_NAME if you
+ 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. */
+
+/* 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
+ be mangled for ease of manipulation by the linker, this is the
+ demangled name. */
+
+#define SYMBOL_NATURAL_NAME(symbol) \
+ (symbol_natural_name (&(symbol)->ginfo))
+extern char *symbol_natural_name (const struct general_symbol_info *symbol);
+
+/* 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. */
+
+#define SYMBOL_LINKAGE_NAME(symbol) (symbol)->ginfo.name
+
+/* Return the demangled name for a symbol based on the language for
+ 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);
+
+/* 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
+ 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.
+ The result should never be NULL. Don't use this for internal
+ purposes (e.g. storing in a hashtable): it's only suitable for
+ output. */
+
+#define SYMBOL_PRINT_NAME(symbol) \
+ (demangle ? SYMBOL_NATURAL_NAME (symbol) : SYMBOL_LINKAGE_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
"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_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. */
+/* Macro that tests a symbol for a match against a specified name
+ string. It tests against SYMBOL_NATURAL_NAME, and it ignores
+ whitespace and trailing parentheses. (See strcmp_iw for details
+ about its behavior.) */
+
+#define SYMBOL_MATCHES_NATURAL_NAME(symbol, name) \
+ (strcmp_iw (SYMBOL_NATURAL_NAME (symbol), (name)) == 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
information is the general_symbol_info.
struct general_symbol_info ginfo;
- /* The info field is available for caching machine-specific information that
- The AMD 29000 tdep.c uses it to remember things it has decoded from the
- instructions in the function header, so it doesn't have to rederive the
- info constantly (over a serial line). It is initialized to zero and
- stays that way until target-dependent code sets it. Storage for any data
- pointed to by this field should be allocated on the symbol_obstack for
- the associated objfile. The type would be "void *" except for reasons
- of compatibility with older compilers. This field is optional. */
+ /* The info field is available for caching machine-specific information
+ so it doesn't have to rederive the info constantly (over a serial line).
+ It is initialized to zero and stays that way until target-dependent code
+ sets it. Storage for any data pointed to by this field should be allo-
+ cated on the symbol_obstack for the associated objfile.
+ The type would be "void *" except for reasons of compatibility with older
+ compilers. This field is optional.
+
+ Currently, the AMD 29000 tdep.c uses it to remember things it has decoded
+ from the instructions in the function header, and the MIPS-16 code uses
+ it to identify 16-bit procedures. */
char *info;
supplies. */
enum minimal_symbol_type
- {
- mst_unknown = 0, /* Unknown type, the default */
- mst_text, /* Generally executable instructions */
- mst_data, /* Generally initialized data */
- mst_bss, /* Generally uninitialized data */
- mst_abs, /* Generally absolute (nonrelocatable) */
- /* GDB uses mst_solib_trampoline for the start address of a shared
- library trampoline entry. Breakpoints for shared library functions
- are put there if the shared library is not yet loaded.
- After the shared library is loaded, lookup_minimal_symbol will
- prefer the minimal symbol from the shared library (usually
- a mst_text symbol) over the mst_solib_trampoline symbol, and the
- breakpoints will be moved to their true address in the shared
- library via breakpoint_re_set. */
- mst_solib_trampoline, /* Shared library trampoline code */
- /* For the mst_file* types, the names are only guaranteed to be unique
- within a given .o file. */
- mst_file_text, /* Static version of mst_text */
- mst_file_data, /* Static version of mst_data */
- mst_file_bss /* Static version of mst_bss */
- } type BYTE_BITFIELD;
+ {
+ mst_unknown = 0, /* Unknown type, the default */
+ mst_text, /* Generally executable instructions */
+ mst_data, /* Generally initialized data */
+ mst_bss, /* Generally uninitialized data */
+ mst_abs, /* Generally absolute (nonrelocatable) */
+ /* GDB uses mst_solib_trampoline for the start address of a shared
+ library trampoline entry. Breakpoints for shared library functions
+ are put there if the shared library is not yet loaded.
+ After the shared library is loaded, lookup_minimal_symbol will
+ prefer the minimal symbol from the shared library (usually
+ a mst_text symbol) over the mst_solib_trampoline symbol, and the
+ breakpoints will be moved to their true address in the shared
+ library via breakpoint_re_set. */
+ mst_solib_trampoline, /* Shared library trampoline code */
+ /* For the mst_file* types, the names are only guaranteed to be unique
+ within a given .o file. */
+ mst_file_text, /* Static version of mst_text */
+ mst_file_data, /* Static version of mst_data */
+ mst_file_bss /* Static version of mst_bss */
+ }
+ type BYTE_BITFIELD;
+
+ /* Minimal symbols with the same hash key are kept on a linked
+ list. This is the link. */
+
+ struct minimal_symbol *hash_next;
+
+ /* Minimal symbols are stored in two different hash tables. This is
+ the `next' pointer for the demangled hash table. */
+
+ struct minimal_symbol *demangled_hash_next;
};
#define MSYMBOL_INFO(msymbol) (msymbol)->info
#define MSYMBOL_TYPE(msymbol) (msymbol)->type
\f
-/* All of the name-scope contours of the program
- are represented by `struct block' objects.
- All of these objects are pointed to by the blockvector.
-
- Each block represents one name scope.
- Each lexical context has its own block.
-
- The blockvector begins with some special blocks.
- The GLOBAL_BLOCK contains all the symbols defined in this compilation
- whose scope is the entire program linked together.
- The STATIC_BLOCK contains all the symbols whose scope is the
- entire compilation excluding other separate compilations.
- Blocks starting with the FIRST_LOCAL_BLOCK are not special.
-
- Each block records a range of core addresses for the code that
- is in the scope of the block. The STATIC_BLOCK and GLOBAL_BLOCK
- give, for the range of code, the entire range of code produced
- by the compilation that the symbol segment belongs to.
-
- The blocks appear in the blockvector
- in order of increasing starting-address,
- and, within that, in order of decreasing ending-address.
-
- This implies that within the body of one function
- the blocks appear in the order of a depth-first tree walk. */
-
-struct blockvector
-{
- /* Number of blocks in the list. */
- int nblocks;
- /* The blocks themselves. */
- struct block *block[1];
-};
-
-#define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks
-#define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n]
-
-/* Special block numbers */
-
-#define GLOBAL_BLOCK 0
-#define STATIC_BLOCK 1
-#define FIRST_LOCAL_BLOCK 2
-struct block
-{
-
- /* Addresses in the executable code that are in this block. */
-
- CORE_ADDR startaddr;
- CORE_ADDR endaddr;
-
- /* The symbol that names this block, if the block is the body of a
- function; otherwise, zero. */
-
- struct symbol *function;
-
- /* The `struct block' for the containing block, or 0 if none.
-
- The superblock of a top-level local block (i.e. a function in the
- case of C) is the STATIC_BLOCK. The superblock of the
- STATIC_BLOCK is the GLOBAL_BLOCK. */
-
- struct block *superblock;
-
- /* Version of GCC used to compile the function corresponding
- to this block, or 0 if not compiled with GCC. When possible,
- GCC should be compatible with the native compiler, or if that
- is not feasible, the differences should be fixed during symbol
- reading. As of 16 Apr 93, this flag is never used to distinguish
- between gcc2 and the native compiler.
-
- If there is no function corresponding to this block, this meaning
- of this flag is undefined. */
-
- unsigned char gcc_compile_flag;
-
- /* Number of local symbols. */
-
- int nsyms;
-
- /* The symbols. If some of them are arguments, then they must be
- in the order in which we would like to print them. */
-
- struct symbol *sym[1];
-};
-
-#define BLOCK_START(bl) (bl)->startaddr
-#define BLOCK_END(bl) (bl)->endaddr
-#define BLOCK_NSYMS(bl) (bl)->nsyms
-#define BLOCK_SYM(bl, n) (bl)->sym[n]
-#define BLOCK_FUNCTION(bl) (bl)->function
-#define BLOCK_SUPERBLOCK(bl) (bl)->superblock
-#define BLOCK_GCC_COMPILED(bl) (bl)->gcc_compile_flag
-
-/* Nonzero if symbols of block BL should be sorted alphabetically.
- Don't sort a block which corresponds to a function. If we did the
- sorting would have to preserve the order of the symbols for the
- arguments. */
-
-#define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40 && BLOCK_FUNCTION (bl) == NULL)
-
-\f
/* Represent one symbol name; a variable, constant, function or typedef. */
-/* Different name spaces for symbols. Looking up a symbol specifies a
- namespace and ignores symbol definitions in other name spaces. */
-
-typedef enum
+/* Different name domains for symbols. Looking up a symbol specifies a
+ domain and ignores symbol definitions in other name domains. */
+
+typedef enum
{
- /* UNDEF_NAMESPACE is used when a namespace has not been discovered or
+ /* UNDEF_DOMAIN is used when a domain has not been discovered or
none of the following apply. This usually indicates an error either
in the symbol information or in gdb's handling of symbols. */
- UNDEF_NAMESPACE,
+ UNDEF_DOMAIN,
- /* VAR_NAMESPACE is the usual namespace. In C, this contains variables,
+ /* VAR_DOMAIN is the usual domain. In C, this contains variables,
function names, typedef names and enum type values. */
- VAR_NAMESPACE,
+ VAR_DOMAIN,
- /* STRUCT_NAMESPACE is used in C to hold struct, union and enum type names.
+ /* STRUCT_DOMAIN is used in C to hold struct, union and enum type names.
Thus, if `struct foo' is used in a C program, it produces a symbol named
- `foo' in the STRUCT_NAMESPACE. */
+ `foo' in the STRUCT_DOMAIN. */
- STRUCT_NAMESPACE,
+ STRUCT_DOMAIN,
- /* LABEL_NAMESPACE may be used for names of labels (for gotos);
+ /* LABEL_DOMAIN may be used for names of labels (for gotos);
currently it is not used and labels are not recorded at all. */
- LABEL_NAMESPACE
-} namespace_enum;
+ LABEL_DOMAIN,
+
+ /* Searching domains. These overlap with VAR_DOMAIN, providing
+ some granularity with the search_symbols function. */
+
+ /* Everything in VAR_DOMAIN minus FUNCTIONS_-, TYPES_-, and
+ METHODS_DOMAIN */
+ VARIABLES_DOMAIN,
+
+ /* All functions -- for some reason not methods, though. */
+ FUNCTIONS_DOMAIN,
+
+ /* All defined types */
+ TYPES_DOMAIN,
+
+ /* All class methods -- why is this separated out? */
+ METHODS_DOMAIN
+}
+domain_enum;
/* An address-class says where to find the value of a symbol. */
LOC_LOCAL,
- /* Value not used; definition in SYMBOL_TYPE. Symbols in the namespace
- STRUCT_NAMESPACE all have this class. */
+ /* Value not used; definition in SYMBOL_TYPE. Symbols in the domain
+ STRUCT_DOMAIN all have this class. */
LOC_TYPEDEF,
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,
+
+ /* Value is at a thread-specific location calculated by a
+ target-specific method. SYMBOL_OBJFILE gives the object file
+ in which the symbol is defined; the symbol's value is the
+ offset into that objfile's thread-local storage for the current
+ thread. */
+
+ LOC_THREAD_LOCAL_STATIC,
+
/* The variable does not actually exist in the program.
The value is ignored. */
- LOC_OPTIMIZED_OUT
+ 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 location_funcs" below). */
+ LOC_COMPUTED,
+
+ /* Same as LOC_COMPUTED, but for function arguments. */
+ LOC_COMPUTED_ARG
+};
+
+/* A structure of function pointers describing the location of a
+ variable, structure member, or structure base class.
+
+ These functions' BATON arguments are generic data pointers, holding
+ whatever data the functions need --- the code which provides this
+ structure also provides the actual contents of the baton, and
+ decides its form. However, there may be other rules about where
+ the baton data must be allocated; whoever is pointing to this
+ `struct location_funcs' object will know the rules. For example,
+ when a symbol S's location is LOC_COMPUTED, then
+ SYMBOL_LOCATION_FUNCS(S) is pointing to a location_funcs structure,
+ and SYMBOL_LOCATION_BATON(S) is the baton, which must be allocated
+ on the same obstack as the symbol itself. */
+
+struct location_funcs
+{
+
+ /* Return the value of the variable SYMBOL, relative to the stack
+ frame FRAME. If the variable has been optimized out, return
+ zero.
+
+ Iff `read_needs_frame (SYMBOL)' is zero, then FRAME may be zero. */
+
+ struct value *(*read_variable) (struct symbol * symbol,
+ struct frame_info * frame);
+
+ /* Return non-zero if we need a frame to find the value of the SYMBOL. */
+ int (*read_needs_frame) (struct symbol * symbol);
+
+ /* Write to STREAM a natural-language description of the location of
+ SYMBOL. */
+ int (*describe_location) (struct symbol * symbol, struct ui_file * stream);
+
+ /* Tracepoint support. Append bytecodes to the tracepoint agent
+ expression AX that push the address of the object SYMBOL. Set
+ VALUE appropriately. Note --- for objects in registers, this
+ needn't emit any code; as long as it sets VALUE properly, then
+ the caller will generate the right code in the process of
+ treating this as an lvalue or rvalue. */
+
+ void (*tracepoint_var_ref) (struct symbol * symbol, struct agent_expr * ax,
+ struct axs_value * value);
};
/* Linked list of symbol's live ranges. */
-struct live_range
+struct range_list
{
CORE_ADDR start;
CORE_ADDR end;
- struct live_range *next;
+ struct range_list *next;
+};
+
+/* Linked list of aliases for a particular main/primary symbol. */
+struct alias_list
+{
+ struct symbol *sym;
+ struct alias_list *next;
};
struct symbol
struct type *type;
- /* Name space code. */
+ /* Domain code. */
-#ifdef __MFC4__
- /* FIXME: don't conflict with C++'s namespace */
- /* would be safer to do a global change for all namespace identifiers. */
- #define namespace _namespace
-#endif
- namespace_enum namespace BYTE_BITFIELD;
+ domain_enum domain BYTE_BITFIELD;
/* Address class */
machine generated programs? */
unsigned short line;
-
+
/* Some symbols require an additional value to be recorded on a per-
symbol basis. Stash those values here. */
union
+ {
+ /* Used by LOC_BASEREG and LOC_BASEREG_ARG. */
+ short basereg;
+
+ /* Used by LOC_THREAD_LOCAL_STATIC. The objfile in which this
+ symbol is defined. To find a thread-local variable (e.g., a
+ variable declared with the `__thread' storage class), we may
+ need to know which object file it's in. */
+ struct objfile *objfile;
+
+ /* For a LOC_COMPUTED or LOC_COMPUTED_ARG symbol, this is the
+ baton and location_funcs structure to find its location. 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. */
+ struct
{
- /* Used by LOC_BASEREG and LOC_BASEREG_ARG. */
- short basereg;
- }
+ void *baton;
+ struct location_funcs *funcs;
+ } loc;
+ }
aux_value;
- /* Live range information (if present) for debugging of optimized code.
- Gcc extensions were added to stabs to encode live range information.
- The syntax for referencing (defining) symbol aliases is "#n" ("#n=")
- where n is a number. The syntax for specifying a range is "l(#<m>,#<n>)",
- where m and n are numbers.
- aliases - list of other symbols which are lexically the same symbol,
- but were optimized into different storage classes (eg. for the
- local symbol "x", one symbol contains range information where x
- is on the stack, while an alias contains the live ranges where x
- is in a register).
- range - list of instruction ranges where the symbol is live. */
- struct live_range_info
- {
- struct symbol *aliases; /* Link to other aliases for this symbol. */
- struct live_range *range; /* Linked list of live ranges. */
- } live;
+
+ /* Link to a list of aliases for this symbol.
+ Only a "primary/main symbol may have aliases. */
+ struct alias_list *aliases;
+
+ /* List of ranges where this symbol is active. This is only
+ used by alias symbols at the current time. */
+ struct range_list *ranges;
+
+ struct symbol *hash_next;
};
-#define SYMBOL_NAMESPACE(symbol) (symbol)->namespace
+
+#define SYMBOL_DOMAIN(symbol) (symbol)->domain
#define SYMBOL_CLASS(symbol) (symbol)->aclass
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
#define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg
-#define SYMBOL_ALIASES(symbol) (symbol)->live.aliases
-#define SYMBOL_RANGE(symbol) (symbol)->live.range
-#define SYMBOL_RANGE_START(symbol) (symbol)->live.range->start
-#define SYMBOL_RANGE_END(symbol) (symbol)->live.range->end
-#define SYMBOL_RANGE_NEXT(symbol) (symbol)->live.range->next
+#define SYMBOL_OBJFILE(symbol) (symbol)->aux_value.objfile
+#define SYMBOL_ALIASES(symbol) (symbol)->aliases
+#define SYMBOL_RANGES(symbol) (symbol)->ranges
+#define SYMBOL_LOCATION_BATON(symbol) (symbol)->aux_value.loc.baton
+#define SYMBOL_LOCATION_FUNCS(symbol) (symbol)->aux_value.loc.funcs
\f
-/* A partial_symbol records the name, namespace, and address class of
+/* A partial_symbol records the name, domain, and address class of
symbols whose types we have not parsed yet. For functions, it also
contains their memory address, so we can find them from a PC value.
Each partial_symbol sits in a partial_symtab, all of which are chained
/* Name space code. */
- namespace_enum namespace BYTE_BITFIELD;
+ domain_enum domain BYTE_BITFIELD;
/* Address class (for info_symbols) */
};
-#define PSYMBOL_NAMESPACE(psymbol) (psymbol)->namespace
+#define PSYMBOL_DOMAIN(psymbol) (psymbol)->domain
#define PSYMBOL_CLASS(psymbol) (psymbol)->aclass
-
\f
-/* Source-file information. This describes the relation between source files,
- ine numbers and addresses in the program text. */
-
-struct sourcevector
-{
- int length; /* Number of source files described */
- struct source *source[1]; /* Descriptions of the files */
-};
/* Each item represents a line-->pc (or the reverse) mapping. This is
somewhat more wasteful of space than one might wish, but since only
Example: a C for statement generally looks like this
- 10 0x100 - for the init/test part of a for stmt.
- 20 0x200
- 30 0x300
- 10 0x400 - for the increment part of a for stmt.
+ 10 0x100 - for the init/test part of a for stmt.
+ 20 0x200
+ 30 0x300
+ 10 0x400 - for the increment part of a for stmt.
- */
+ If an entry has a line number of zero, it marks the start of a PC
+ range for which no line number information is available. It is
+ acceptable, though wasteful of table space, for such a range to be
+ zero length. */
struct linetable
{
struct linetable_entry item[1];
};
-/* All the information on one source file. */
-
-struct source
-{
- char *name; /* Name of file */
- struct linetable contents;
-};
-
/* How to relocate the symbols from each section in a symbol file.
Each struct contains an array of offsets.
The ordering and meaning of the offsets is file-type-dependent;
extract offset values in the struct. */
struct section_offsets
- {
- CORE_ADDR offsets[1]; /* As many as needed. */
- };
+{
+ CORE_ADDR offsets[1]; /* As many as needed. */
+};
-#define ANOFFSET(secoff, whichone) (secoff->offsets[whichone])
+#define ANOFFSET(secoff, whichone) \
+ ((whichone == -1) \
+ ? (internal_error (__FILE__, __LINE__, "Section index is uninitialized"), -1) \
+ : secoff->offsets[whichone])
-/* The maximum possible size of a section_offsets table. */
-
-#define SIZEOF_SECTION_OFFSETS \
+/* The size of a section_offsets table for N sections. */
+#define SIZEOF_N_SECTION_OFFSETS(n) \
(sizeof (struct section_offsets) \
- + sizeof (((struct section_offsets *) 0)->offsets) * (SECT_OFF_MAX-1))
-
+ + sizeof (((struct section_offsets *) 0)->offsets) * ((n)-1))
/* Each source file or header is represented by a struct symtab.
These objects are chained through the `next' field. */
struct symtab
- {
+{
- /* Chain of all existing symtabs. */
+ /* Chain of all existing symtabs. */
- struct symtab *next;
+ struct symtab *next;
- /* List of all symbol scope blocks for this symtab. May be shared
- between different symtabs (and normally is for all the symtabs
- in a given compilation unit). */
+ /* List of all symbol scope blocks for this symtab. May be shared
+ between different symtabs (and normally is for all the symtabs
+ in a given compilation unit). */
- struct blockvector *blockvector;
+ struct blockvector *blockvector;
- /* Table mapping core addresses to line numbers for this file.
- Can be NULL if none. Never shared between different symtabs. */
+ /* Table mapping core addresses to line numbers for this file.
+ Can be NULL if none. Never shared between different symtabs. */
- struct linetable *linetable;
+ struct linetable *linetable;
- /* Section in objfile->section_offsets for the blockvector and
- the linetable. Probably always SECT_OFF_TEXT. */
+ /* Section in objfile->section_offsets for the blockvector and
+ the linetable. Probably always SECT_OFF_TEXT. */
- int block_line_section;
+ int block_line_section;
- /* If several symtabs share a blockvector, exactly one of them
- should be designed the primary, so that the blockvector
- is relocated exactly once by objfile_relocate. */
+ /* If several symtabs share a blockvector, exactly one of them
+ should be designated the primary, so that the blockvector
+ is relocated exactly once by objfile_relocate. */
- int primary;
+ int primary;
- /* Name of this source file. */
+ /* The macro table for this symtab. Like the blockvector, this
+ may be shared between different symtabs --- and normally is for
+ all the symtabs in a given compilation unit. */
+ struct macro_table *macro_table;
- char *filename;
+ /* Name of this source file. */
- /* Directory in which it was compiled, or NULL if we don't know. */
+ char *filename;
- char *dirname;
+ /* Directory in which it was compiled, or NULL if we don't know. */
- /* This component says how to free the data we point to:
- free_contents => do a tree walk and free each object.
- free_nothing => do nothing; some other symtab will free
- the data this one uses.
- free_linetable => free just the linetable. FIXME: Is this redundant
- with the primary field? */
+ char *dirname;
- enum free_code
- {
- free_nothing, free_contents, free_linetable
- }
- free_code;
+ /* This component says how to free the data we point to:
+ free_contents => do a tree walk and free each object.
+ free_nothing => do nothing; some other symtab will free
+ the data this one uses.
+ free_linetable => free just the linetable. FIXME: Is this redundant
+ with the primary field? */
- /* Pointer to one block of storage to be freed, if nonzero. */
- /* This is IN ADDITION to the action indicated by free_code. */
-
- char *free_ptr;
+ enum free_code
+ {
+ free_nothing, free_contents, free_linetable
+ }
+ free_code;
- /* Total number of lines found in source file. */
+ /* Pointer to one block of storage to be freed, if nonzero. */
+ /* This is IN ADDITION to the action indicated by free_code. */
- int nlines;
+ char *free_ptr;
- /* line_charpos[N] is the position of the (N-1)th line of the
- source file. "position" means something we can lseek() to; it
- is not guaranteed to be useful any other way. */
+ /* Total number of lines found in source file. */
- int *line_charpos;
+ int nlines;
- /* Language of this source file. */
+ /* line_charpos[N] is the position of the (N-1)th line of the
+ source file. "position" means something we can lseek() to; it
+ is not guaranteed to be useful any other way. */
- enum language language;
+ int *line_charpos;
- /* String that identifies the format of the debugging information, such
- as "stabs", "dwarf 1", "dwarf 2", "coff", etc. This is mostly useful
- for automated testing of gdb but may also be information that is
- useful to the user. */
+ /* Language of this source file. */
- char *debugformat;
+ enum language language;
- /* String of version information. May be zero. */
+ /* String that identifies the format of the debugging information, such
+ as "stabs", "dwarf 1", "dwarf 2", "coff", etc. This is mostly useful
+ for automated testing of gdb but may also be information that is
+ useful to the user. */
- char *version;
+ char *debugformat;
- /* Full name of file as found by searching the source path.
- NULL if not yet known. */
+ /* String of version information. May be zero. */
- char *fullname;
+ char *version;
- /* Object file from which this symbol information was read. */
+ /* Full name of file as found by searching the source path.
+ NULL if not yet known. */
- struct objfile *objfile;
+ char *fullname;
- /* Anything extra for this symtab. This is for target machines
- with special debugging info of some sort (which cannot just
- be represented in a normal symtab). */
+ /* Object file from which this symbol information was read. */
-#if defined (EXTRA_SYMTAB_INFO)
- EXTRA_SYMTAB_INFO
-#endif
+ struct objfile *objfile;
- };
+};
#define BLOCKVECTOR(symtab) (symtab)->blockvector
#define LINETABLE(symtab) (symtab)->linetable
-
\f
+
/* Each source file that has not been fully read in is represented by
a partial_symtab. This contains the information on where in the
executable the debugging symbols for a specific file are, and a
char *filename;
+ /* Full path of the source file. NULL if not known. */
+
+ char *fullname;
+
/* Information about the object file from which symbols should be read. */
struct objfile *objfile;
- /* Set of relocation offsets to apply to each section. */
+ /* Set of relocation offsets to apply to each section. */
struct section_offsets *section_offsets;
/* Pointer to function which will read in the symtab corresponding to
this psymtab. */
- void (*read_symtab) PARAMS ((struct partial_symtab *));
+ void (*read_symtab) (struct partial_symtab *);
/* Information that lets read_symtab() locate the part of the symbol table
that this psymtab corresponds to. This information is private to the
/* A fast way to get from a psymtab to its symtab (after the first time). */
#define PSYMTAB_TO_SYMTAB(pst) \
((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst))
-
\f
+
/* The virtual function table is now an array of structures which have the
form { int16 offset, delta; void *pfn; }.
PFN is a pointer to the virtual function.
Note that this macro is g++ specific (FIXME). */
-
-#define VTBL_FNADDR_OFFSET 2
-
-/* Macro that yields non-zero value iff NAME is the prefix for C++ operator
- names. If you leave out the parenthesis here you will lose!
- Currently 'o' 'p' CPLUS_MARKER is used for both the symbol in the
- symbol-file and the names in gdb's symbol table.
- Note that this macro is g++ specific (FIXME). */
-
-#define OPNAME_PREFIX_P(NAME) \
- ((NAME)[0] == 'o' && (NAME)[1] == 'p' && is_cplus_marker ((NAME)[2]))
-
-/* Macro that yields non-zero value iff NAME is the prefix for C++ vtbl
- names. Note that this macro is g++ specific (FIXME).
- '_vt$' is the old cfront-style vtables; '_VT$' is the new
- style, using thunks (where '$' is really CPLUS_MARKER). */
-
-#define VTBL_PREFIX_P(NAME) \
- ((NAME)[0] == '_' \
- && (((NAME)[1] == 'V' && (NAME)[2] == 'T') \
- || ((NAME)[1] == 'v' && (NAME)[2] == 't')) \
- && is_cplus_marker ((NAME)[3]))
-
-/* Macro that yields non-zero value iff NAME is the prefix for C++ destructor
- names. Note that this macro is g++ specific (FIXME). */
-#define DESTRUCTOR_PREFIX_P(NAME) \
- ((NAME)[0] == '_' && is_cplus_marker ((NAME)[1]) && (NAME)[2] == '_')
+#define VTBL_FNADDR_OFFSET 2
-\f
/* External variables and functions for the objects described above. */
-/* This symtab variable specifies the current file for printing source lines */
-
-extern struct symtab *current_source_symtab;
-
-/* This is the next line to print for listing source lines. */
-
-extern int current_source_line;
-
/* See the comment in symfile.c about how current_objfile is used. */
extern struct objfile *current_objfile;
/* lookup a symbol table by source file name */
-extern struct symtab *
-lookup_symtab PARAMS ((char *));
+extern struct symtab *lookup_symtab (const char *);
/* lookup a symbol by name (optional block, optional symtab) */
-extern struct symbol *
-lookup_symbol PARAMS ((const char *, const struct block *,
- const namespace_enum, int *, struct symtab **));
+extern struct symbol *lookup_symbol (const char *, const struct block *,
+ const domain_enum, int *,
+ struct symtab **);
-/* lookup a symbol by name, within a specified block */
-
-extern struct symbol *
-lookup_block_symbol PARAMS ((const struct block *, const char *,
- const namespace_enum));
+/* A default version of lookup_symbol_nonlocal for use by languages
+ that can't think of anything better to do. */
-/* lookup a [struct, union, enum] by name, within a specified block */
+extern struct symbol *basic_lookup_symbol_nonlocal (const char *,
+ const char *,
+ const struct block *,
+ const domain_enum,
+ struct symtab **);
+
+/* Some helper functions for languages that need to write their own
+ lookup_symbol_nonlocal functions. */
+
+/* Lookup a symbol in the static block associated to BLOCK, if there
+ is one; do nothing if BLOCK is NULL or a global block. */
+
+extern struct symbol *lookup_symbol_static (const char *name,
+ const char *linkage_name,
+ const struct block *block,
+ const domain_enum domain,
+ struct symtab **symtab);
+
+/* Lookup a symbol in all files' global blocks (searching psymtabs if
+ necessary). */
-extern struct type *
-lookup_struct PARAMS ((char *, struct block *));
+extern struct symbol *lookup_symbol_global (const char *name,
+ const char *linkage_name,
+ const domain_enum domain,
+ struct symtab **symtab);
-extern struct type *
-lookup_union PARAMS ((char *, struct block *));
+/* Lookup a symbol within the block BLOCK. This, unlike
+ lookup_symbol_block, will set SYMTAB and BLOCK_FOUND correctly, and
+ will fix up the symbol if necessary. */
-extern struct type *
-lookup_enum PARAMS ((char *, struct block *));
+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);
-/* lookup the function corresponding to the block */
+/* lookup a symbol by name, within a specified block */
+
+extern struct symbol *lookup_block_symbol (const struct block *, const char *,
+ const char *,
+ const domain_enum);
+
+/* lookup a [struct, union, enum] by name, within a specified block */
+
+extern struct type *lookup_struct (char *, struct block *);
+
+extern struct type *lookup_union (char *, struct block *);
-extern struct symbol *
-block_function PARAMS ((struct block *));
+extern struct type *lookup_enum (char *, struct block *);
/* from blockframe.c: */
/* lookup the function symbol corresponding to the address */
-extern struct symbol *
-find_pc_function PARAMS ((CORE_ADDR));
+extern struct symbol *find_pc_function (CORE_ADDR);
/* lookup the function corresponding to the address and section */
-extern struct symbol *
-find_pc_sect_function PARAMS ((CORE_ADDR, asection *));
-
+extern struct symbol *find_pc_sect_function (CORE_ADDR, asection *);
+
/* lookup function from address, return name, start addr and end addr */
-extern int find_pc_partial_function PARAMS ((CORE_ADDR, char **,
- CORE_ADDR *, CORE_ADDR *));
+extern int find_pc_partial_function (CORE_ADDR, char **, CORE_ADDR *,
+ CORE_ADDR *);
-extern void
-clear_pc_function_cache PARAMS ((void));
+extern void clear_pc_function_cache (void);
+
+extern int find_pc_sect_partial_function (CORE_ADDR, asection *,
+ char **, CORE_ADDR *, CORE_ADDR *);
/* from symtab.c: */
/* lookup partial symbol table by filename */
-extern struct partial_symtab *
-lookup_partial_symtab PARAMS ((char *));
+extern struct partial_symtab *lookup_partial_symtab (const char *);
/* lookup partial symbol table by address */
-extern struct partial_symtab *
-find_pc_psymtab PARAMS ((CORE_ADDR));
+extern struct partial_symtab *find_pc_psymtab (CORE_ADDR);
/* lookup partial symbol table by address and section */
-extern struct partial_symtab *
-find_pc_sect_psymtab PARAMS ((CORE_ADDR, asection *));
+extern struct partial_symtab *find_pc_sect_psymtab (CORE_ADDR, asection *);
/* lookup full symbol table by address */
-extern struct symtab *
-find_pc_symtab PARAMS ((CORE_ADDR));
+extern struct symtab *find_pc_symtab (CORE_ADDR);
/* lookup full symbol table by address and section */
-extern struct symtab *
-find_pc_sect_symtab PARAMS ((CORE_ADDR, asection *));
+extern struct symtab *find_pc_sect_symtab (CORE_ADDR, asection *);
/* lookup partial symbol by address */
-extern struct partial_symbol *
-find_pc_psymbol PARAMS ((struct partial_symtab *, CORE_ADDR));
+extern struct partial_symbol *find_pc_psymbol (struct partial_symtab *,
+ CORE_ADDR);
/* lookup partial symbol by address and section */
-extern struct partial_symbol *
-find_pc_sect_psymbol PARAMS ((struct partial_symtab *, CORE_ADDR, asection *));
+extern struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *,
+ CORE_ADDR, asection *);
-extern int
-find_pc_line_pc_range PARAMS ((CORE_ADDR, CORE_ADDR *, CORE_ADDR *));
+extern int find_pc_line_pc_range (CORE_ADDR, CORE_ADDR *, CORE_ADDR *);
-extern int
-contained_in PARAMS ((struct block *, struct block *));
+extern void reread_symbols (void);
+
+extern struct type *lookup_transparent_type (const char *);
-extern void
-reread_symbols PARAMS ((void));
/* Macro for name of symbol to indicate a file compiled with gcc. */
#ifndef GCC_COMPILED_FLAG_SYMBOL
/* Functions for dealing with the minimal symbol table, really a misc
address<->symbol mapping for things we don't have debug symbols for. */
-extern void prim_record_minimal_symbol PARAMS ((const char *, CORE_ADDR,
- enum minimal_symbol_type,
- struct objfile *));
+extern void prim_record_minimal_symbol (const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ struct objfile *);
extern struct minimal_symbol *prim_record_minimal_symbol_and_info
- PARAMS ((const char *, CORE_ADDR,
- enum minimal_symbol_type,
- char *info, int section,
- asection *bfd_section,
- struct objfile *));
+ (const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ char *info, int section, asection * bfd_section, struct objfile *);
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
-extern CORE_ADDR find_stab_function_addr PARAMS ((char *,
- struct partial_symtab *,
- struct objfile *));
-#endif
+extern unsigned int msymbol_hash_iw (const char *);
-extern struct minimal_symbol *
-lookup_minimal_symbol PARAMS ((const char *, const char *, struct objfile *));
+extern unsigned int msymbol_hash (const char *);
-extern struct minimal_symbol *
-lookup_minimal_symbol_text PARAMS ((const char *, const char *, struct objfile *));
+extern void
+add_minsym_to_hash_table (struct minimal_symbol *sym,
+ struct minimal_symbol **table);
-struct minimal_symbol *
-lookup_minimal_symbol_solib_trampoline PARAMS ((const char *,
- const char *,
- struct objfile *));
+extern struct minimal_symbol *lookup_minimal_symbol (const char *,
+ const char *,
+ struct objfile *);
-extern struct minimal_symbol *
-lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR));
+extern struct minimal_symbol *lookup_minimal_symbol_text (const char *,
+ const char *,
+ struct objfile *);
-extern struct minimal_symbol *
-lookup_minimal_symbol_by_pc_section PARAMS ((CORE_ADDR, asection *));
+struct minimal_symbol *lookup_minimal_symbol_solib_trampoline (const char *,
+ const char *,
+ struct objfile
+ *);
-extern struct minimal_symbol *
-lookup_solib_trampoline_symbol_by_pc PARAMS ((CORE_ADDR));
+extern struct minimal_symbol *lookup_minimal_symbol_by_pc (CORE_ADDR);
-extern CORE_ADDR
-find_solib_trampoline_target PARAMS ((CORE_ADDR));
+extern struct minimal_symbol *lookup_minimal_symbol_by_pc_section (CORE_ADDR,
+ asection
+ *);
-extern void
-init_minimal_symbol_collection PARAMS ((void));
+extern struct minimal_symbol
+ *lookup_solib_trampoline_symbol_by_pc (CORE_ADDR);
-extern void
-discard_minimal_symbols PARAMS ((int));
+extern CORE_ADDR find_solib_trampoline_target (CORE_ADDR);
-extern void
-install_minimal_symbols PARAMS ((struct objfile *));
+extern void init_minimal_symbol_collection (void);
+
+extern struct cleanup *make_cleanup_discard_minimal_symbols (void);
+
+extern void install_minimal_symbols (struct objfile *);
/* Sort all the minimal symbols in OBJFILE. */
-extern void msymbols_sort PARAMS ((struct objfile *objfile));
+extern void msymbols_sort (struct objfile *objfile);
struct symtab_and_line
{
struct symtab *symtab;
- asection *section;
+ asection *section;
/* Line number. Line numbers start at 1 and proceed through symtab->nlines.
0 is never a valid line number; it is used to indicate that line number
information is not available. */
CORE_ADDR end;
};
-#define INIT_SAL(sal) { \
- (sal)->symtab = 0; \
- (sal)->section = 0; \
- (sal)->line = 0; \
- (sal)->pc = 0; \
- (sal)->end = 0; \
-}
+extern void init_sal (struct symtab_and_line *sal);
struct symtabs_and_lines
{
struct symtab_and_line *sals;
int nelts;
};
+\f
+
+
+/* Some types and macros needed for exception catchpoints.
+ Can't put these in target.h because symtab_and_line isn't
+ known there. This file will be included by breakpoint.c,
+ hppa-tdep.c, etc. */
+
+/* Enums for exception-handling support */
+enum exception_event_kind
+{
+ EX_EVENT_THROW,
+ EX_EVENT_CATCH
+};
+
+/* Type for returning info about an exception */
+struct exception_event_record
+{
+ enum exception_event_kind kind;
+ struct symtab_and_line throw_sal;
+ struct symtab_and_line catch_sal;
+ /* This may need to be extended in the future, if
+ some platforms allow reporting more information,
+ such as point of rethrow, type of exception object,
+ type expected by catch clause, etc. */
+};
+
+#define CURRENT_EXCEPTION_KIND (current_exception_event->kind)
+#define CURRENT_EXCEPTION_CATCH_SAL (current_exception_event->catch_sal)
+#define CURRENT_EXCEPTION_CATCH_LINE (current_exception_event->catch_sal.line)
+#define CURRENT_EXCEPTION_CATCH_FILE (current_exception_event->catch_sal.symtab->filename)
+#define CURRENT_EXCEPTION_CATCH_PC (current_exception_event->catch_sal.pc)
+#define CURRENT_EXCEPTION_THROW_SAL (current_exception_event->throw_sal)
+#define CURRENT_EXCEPTION_THROW_LINE (current_exception_event->throw_sal.line)
+#define CURRENT_EXCEPTION_THROW_FILE (current_exception_event->throw_sal.symtab->filename)
+#define CURRENT_EXCEPTION_THROW_PC (current_exception_event->throw_sal.pc)
+\f
/* Given a pc value, return line number it is in. Second arg nonzero means
if pc is on the boundary use the previous statement's line number. */
-extern struct symtab_and_line
-find_pc_line PARAMS ((CORE_ADDR, int));
+extern struct symtab_and_line find_pc_line (CORE_ADDR, int);
/* Same function, but specify a section as well as an address */
-extern struct symtab_and_line
-find_pc_sect_line PARAMS ((CORE_ADDR, asection *, int));
-
-/* Given an address, return the nearest symbol at or below it in memory.
- Optionally return the symtab it's from through 2nd arg, and the
- address in inferior memory of the symbol through 3rd arg. */
-
-extern struct symbol *
-find_addr_symbol PARAMS ((CORE_ADDR, struct symtab **, CORE_ADDR *));
+extern struct symtab_and_line find_pc_sect_line (CORE_ADDR, asection *, int);
/* Given a symtab and line number, return the pc there. */
-extern CORE_ADDR
-find_line_pc PARAMS ((struct symtab *, int));
+extern int find_line_pc (struct symtab *, int, CORE_ADDR *);
-extern int
-find_line_pc_range PARAMS ((struct symtab_and_line,
- CORE_ADDR *, CORE_ADDR *));
+extern int find_line_pc_range (struct symtab_and_line, CORE_ADDR *,
+ CORE_ADDR *);
-extern void
-resolve_sal_pc PARAMS ((struct symtab_and_line *));
+extern void resolve_sal_pc (struct symtab_and_line *);
/* Given a string, return the line specified by it. For commands like "list"
and "breakpoint". */
-extern struct symtabs_and_lines
-decode_line_spec PARAMS ((char *, int));
+extern struct symtabs_and_lines decode_line_spec (char *, int);
-extern struct symtabs_and_lines
-decode_line_spec_1 PARAMS ((char *, int));
+extern struct symtabs_and_lines decode_line_spec_1 (char *, int);
-extern struct symtabs_and_lines
-decode_line_1 PARAMS ((char **, int, struct symtab *, int, char ***));
+/* Symmisc.c */
-#if MAINTENANCE_CMDS
+void maintenance_print_symbols (char *, int);
-/* Symmisc.c */
+void maintenance_print_psymbols (char *, int);
-void
-maintenance_print_symbols PARAMS ((char *, int));
+void maintenance_print_msymbols (char *, int);
-void
-maintenance_print_psymbols PARAMS ((char *, int));
+void maintenance_print_objfiles (char *, int);
-void
-maintenance_print_msymbols PARAMS ((char *, int));
+void maintenance_info_symtabs (char *, int);
-void
-maintenance_print_objfiles PARAMS ((char *, int));
+void maintenance_info_psymtabs (char *, int);
-void
-maintenance_check_symtabs PARAMS ((char *, int));
+void maintenance_check_symtabs (char *, int);
/* maint.c */
-void
-maintenance_print_statistics PARAMS ((char *, int));
+void maintenance_print_statistics (char *, int);
-#endif
-
-extern void
-free_symtab PARAMS ((struct symtab *));
+extern void free_symtab (struct symtab *);
/* Symbol-reading stuff in symfile.c and solib.c. */
-extern struct symtab *
-psymtab_to_symtab PARAMS ((struct partial_symtab *));
+extern struct symtab *psymtab_to_symtab (struct partial_symtab *);
-extern void
-clear_solib PARAMS ((void));
-
-extern struct objfile *
-symbol_file_add PARAMS ((char *, int, CORE_ADDR, int, int, int));
+extern void clear_solib (void);
/* source.c */
-extern int
-identify_source_line PARAMS ((struct symtab *, int, int, CORE_ADDR));
+extern int identify_source_line (struct symtab *, int, int, CORE_ADDR);
-extern void
-print_source_lines PARAMS ((struct symtab *, int, int, int));
+extern void print_source_lines (struct symtab *, int, int, int);
-extern void
-forget_cached_source_info PARAMS ((void));
+extern void forget_cached_source_info (void);
-extern void
-select_source_symtab PARAMS ((struct symtab *));
+extern void select_source_symtab (struct symtab *);
-extern char **make_symbol_completion_list PARAMS ((char *, char *));
+extern char **make_symbol_completion_list (char *, char *);
-/* symtab.c */
+extern char **make_file_symbol_completion_list (char *, char *, char *);
-extern struct partial_symtab *
-find_main_psymtab PARAMS ((void));
+extern struct symbol **make_symbol_overload_list (struct symbol *);
+
+extern char **make_source_files_completion_list (char *, char *);
+
+/* symtab.c */
-/* blockframe.c */
+extern struct partial_symtab *find_main_psymtab (void);
-extern struct blockvector *
-blockvector_for_pc PARAMS ((CORE_ADDR, int *));
+extern struct symtab *find_line_symtab (struct symtab *, int, int *, int *);
+extern struct symtab_and_line find_function_start_sal (struct symbol *sym,
+ int);
-extern struct blockvector *
-blockvector_for_pc_sect PARAMS ((CORE_ADDR, asection *, int *,
- struct symtab *));
/* symfile.c */
-extern void
-clear_symtab_users PARAMS ((void));
+extern void clear_symtab_users (void);
-extern enum language
-deduce_language_from_filename PARAMS ((char *));
+extern enum language deduce_language_from_filename (char *);
/* symtab.c */
-extern int
-in_prologue PARAMS ((CORE_ADDR pc, CORE_ADDR func_start));
+extern int in_prologue (CORE_ADDR pc, CORE_ADDR func_start);
+
+extern struct symbol *fixup_symbol_section (struct symbol *,
+ struct objfile *);
+
+extern struct partial_symbol *fixup_psymbol_section (struct partial_symbol
+ *psym,
+ struct objfile *objfile);
+
+/* Symbol searching */
+
+/* When using search_symbols, a list of the following structs is returned.
+ Callers must free the search list using free_search_symbols! */
+struct symbol_search
+{
+ /* The block in which the match was found. Could be, for example,
+ STATIC_BLOCK or GLOBAL_BLOCK. */
+ int block;
+
+ /* Information describing what was found.
+
+ If symtab abd symbol are NOT NULL, then information was found
+ for this match. */
+ struct symtab *symtab;
+ struct symbol *symbol;
+
+ /* If msymbol is non-null, then a match was made on something for
+ which only minimal_symbols exist. */
+ struct minimal_symbol *msymbol;
+
+ /* A link to the next match, or NULL for the end. */
+ struct symbol_search *next;
+};
-extern struct symbol *
-fixup_symbol_section PARAMS ((struct symbol *, struct objfile *));
+extern void search_symbols (char *, domain_enum, int, char **,
+ struct symbol_search **);
+extern void free_search_symbols (struct symbol_search *);
+extern struct cleanup *make_cleanup_free_search_symbols (struct symbol_search
+ *);
+
+/* The name of the ``main'' function.
+ FIXME: cagney/2001-03-20: Can't make main_name() const since some
+ of the calling code currently assumes that the string isn't
+ const. */
+extern void set_main_name (const char *name);
+extern /*const */ char *main_name (void);
#endif /* !defined(SYMTAB_H) */
projects / deliverable / binutils-gdb.git / blobdiff