/* Symbol table definitions for GDB.
- Copyright (C) 1986, 1989, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-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 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 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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. */
+/* Opaque declarations. */
+struct obstack;
-#include "obstack.h"
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
+/* 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
+ things; also it is a pain to have to "make clean" every time you
+ want to switch compilers), then GDB dies a horrible death. */
+/* GNU C supports enums that are bitfields. Some compilers don't. */
+#if 0 && defined(__GNUC__) && !defined(BYTE_BITFIELD)
+#define BYTE_BITFIELD :8;
+#else
+#define BYTE_BITFIELD /*nothing */
+#endif
/* Define a structure for the information that is common to all symbol types,
including minimal symbols, partial symbols, and full symbols. In a
multilanguage environment, some language specific information may need to
- be recorded along with each symbol. */
+ be recorded along with each symbol.
+
+ These fields are ordered to encourage good packing, since we frequently
+ have tens or hundreds of thousands of these. */
struct general_symbol_info
{
target byte order, e.g. LOC_CONST_BYTES). */
union
- {
- long value;
+ {
+ /* 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;
- /* Record the source code language that applies to this symbol.
- This is used to select one of the fields from the language specific
- union below. */
-
- enum language language;
-
/* Since one and only one language can apply, wrap the language specific
information inside a union. */
union
+ {
+ struct cplus_specific /* For C++ */
+ /* and Java */
{
- struct cplus_specific /* For C++ */
- {
- char *demangled_name;
- } cplus_specific;
- struct chill_specific /* For Chill */
- {
- char *demangled_name;
- } chill_specific;
- } language_specific;
+ char *demangled_name;
+ }
+ cplus_specific;
+ struct objc_specific
+ {
+ char *demangled_name;
+ }
+ objc_specific;
+#if 0
+/* OBSOLETE struct chill_specific *//* For Chill */
+ /* OBSOLETE { */
+ /* OBSOLETE char *demangled_name; */
+ /* OBSOLETE } */
+ /* OBSOLETE chill_specific; */
+#endif
+ }
+ 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
+ union above. */
+
+ enum language language BYTE_BITFIELD;
/* Which section is this symbol in? This is an index into
section_offsets for this objfile. Negative means that the symbol
does not get relocated relative to a section.
- Disclaimer: currently this is just used for xcoff, so don't expect
- all symbol-reading code to set it correctly. */
+ Disclaimer: currently this is just used for xcoff, so don't
+ expect all symbol-reading code to set it correctly (the ELF code
+ also tries to set it correctly). */
+
+ short section;
- int section;
+ /* The bfd section associated with this symbol. */
+
+ asection *bfd_section;
};
+extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *);
+
#define SYMBOL_NAME(symbol) (symbol)->ginfo.name
-#define SYMBOL_VALUE(symbol) (symbol)->ginfo.value.value
+#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_BLOCK_VALUE(symbol) (symbol)->ginfo.value.block
#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->ginfo.value.chain
#define SYMBOL_LANGUAGE(symbol) (symbol)->ginfo.language
#define SYMBOL_SECTION(symbol) (symbol)->ginfo.section
+#define SYMBOL_BFD_SECTION(symbol) (symbol)->ginfo.bfd_section
#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
(symbol)->ginfo.language_specific.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) \
+ if (SYMBOL_LANGUAGE (symbol) == language_cplus \
+ || SYMBOL_LANGUAGE (symbol) == language_java \
+ ) \
{ \
SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
} \
- else if (SYMBOL_LANGUAGE (symbol) == language_chill) \
+ else if (SYMBOL_LANGUAGE (symbol) == language_objc) \
{ \
- SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; \
+ SYMBOL_OBJC_DEMANGLED_NAME (symbol) = NULL; \
} \
+ /* OBSOLETE else if (SYMBOL_LANGUAGE (symbol) == language_chill) */ \
+ /* OBSOLETE { */ \
+ /* OBSOLETE SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; */ \
+ /* OBSOLETE } */ \
else \
{ \
memset (&(symbol)->ginfo.language_specific, 0, \
} \
} 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) \
+ (symbol_init_demangled_name (&symbol->ginfo, (obstack)))
+extern void symbol_init_demangled_name (struct general_symbol_info *symbol,
+ struct obstack *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 (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))
+ : (SYMBOL_LANGUAGE (symbol) == language_objc \
+ ? SYMBOL_OBJC_DEMANGLED_NAME (symbol) \
+ : /* OBSOLETE (SYMBOL_LANGUAGE (symbol) == language_chill */ \
+ /* OBSOLETE ? SYMBOL_CHILL_DEMANGLED_NAME (symbol) */ \
+ NULL))
-#define SYMBOL_CHILL_DEMANGLED_NAME(symbol) \
- (symbol)->ginfo.language_specific.chill_specific.demangled_name
+/* OBSOLETE #define SYMBOL_CHILL_DEMANGLED_NAME(symbol) */
+/* OBSOLETE (symbol)->ginfo.language_specific.chill_specific.demangled_name */
+
+#define SYMBOL_OBJC_DEMANGLED_NAME(symbol) \
+ (symbol)->ginfo.language_specific.objc_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
? SYMBOL_DEMANGLED_NAME (symbol) \
: SYMBOL_NAME (symbol))
-/* From utils.c. */
-extern int demangle;
-extern int asm_demangle;
-
/* 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
name if it exists. Note that whitespace is ignored while attempting to
(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.
(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;
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* Which source file is this symbol in? Only relevant for mst_file_*. */
+ char *filename;
+#endif
+
/* Classification types for this symbol. These should be taken as "advisory
only", since if gdb can't easily figure out a classification it simply
selects mst_unknown. It may also have to guess when it can't figure out
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) */
- } 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;
+
+ /* 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.
unsigned char gcc_compile_flag;
+ /* The symbols for this block are either in a simple linear list or
+ in a simple hashtable. Blocks which correspond to a function
+ (which have a list of symbols corresponding to arguments) use
+ a linear list, as do some older symbol readers (currently only
+ mdebugread and dstread). Other blocks are hashed.
+
+ The hashtable uses the same hash function as the minsym hashtables,
+ found in minsyms.c:minsym_hash_iw. Symbols are hashed based on
+ their demangled name if appropriate, and on their name otherwise.
+ The hash function ignores space, and stops at the beginning of the
+ argument list if any.
+
+ The table is laid out in NSYMS/5 buckets and symbols are chained via
+ their hash_next field. */
+
+ /* If this is really a hashtable of the symbols, this flag is 1. */
+
+ unsigned char hashtable;
+
/* Number of local symbols. */
int nsyms;
#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
+#define BLOCK_HASHTABLE(bl) (bl)->hashtable
+
+/* For blocks without a hashtable (BLOCK_HASHTABLE (bl) == 0) only. */
+#define BLOCK_NSYMS(bl) (bl)->nsyms
+#define BLOCK_SYM(bl, n) (bl)->sym[n]
+
+/* For blocks with a hashtable, but these are valid for non-hashed blocks as
+ well - each symbol will appear to be one bucket by itself. */
+#define BLOCK_BUCKETS(bl) (bl)->nsyms
+#define BLOCK_BUCKET(bl, n) (bl)->sym[n]
+
+/* Macro used to set the size of a hashtable for N symbols. */
+#define BLOCK_HASHTABLE_SIZE(n) ((n)/5 + 1)
+
+/* Macro to loop through all symbols in a block BL, in no particular order.
+ i counts which bucket we are in, and sym points to the current symbol. */
+
+#define ALL_BLOCK_SYMBOLS(bl, i, sym) \
+ for ((i) = 0; (i) < BLOCK_BUCKETS ((bl)); (i)++) \
+ for ((sym) = BLOCK_BUCKET ((bl), (i)); (sym); \
+ (sym) = (sym)->hash_next)
/* 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)
+ arguments. Also don't sort any block that we chose to hash. */
+#define BLOCK_SHOULD_SORT(bl) (! BLOCK_HASHTABLE (bl) \
+ && 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. */
-enum namespace
+typedef enum
{
/* UNDEF_NAMESPACE is used when a namespace has not been discovered or
none of the following apply. This usually indicates an error either
/* LABEL_NAMESPACE may be used for names of labels (for gotos);
currently it is not used and labels are not recorded at all. */
- LABEL_NAMESPACE
-};
+ LABEL_NAMESPACE,
+
+ /* Searching namespaces. These overlap with VAR_NAMESPACE, providing
+ some granularity with the search_symbols function. */
+
+ /* Everything in VAR_NAMESPACE minus FUNCTIONS_-, TYPES_-, and
+ METHODS_NAMESPACE */
+ VARIABLES_NAMESPACE,
+
+ /* All functions -- for some reason not methods, though. */
+ FUNCTIONS_NAMESPACE,
+
+ /* All defined types */
+ TYPES_NAMESPACE,
+
+ /* All class methods -- why is this separated out? */
+ METHODS_NAMESPACE
+}
+namespace_enum;
/* An address-class says where to find the value of a symbol. */
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.
+ This happens if debugging information for a global symbol is
+ emitted and the corresponding minimal symbol is defined
+ in another object file or runtime common storage.
+ The linker might even remove the minimal symbol if the global
+ symbol is never referenced, in which case the symbol remains
+ unresolved. */
+
+ 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
+ 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
+};
+
+/* Linked list of symbol's live ranges. */
+
+struct range_list
+{
+ CORE_ADDR start;
+ CORE_ADDR end;
+ 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 general_symbol_info ginfo;
- /* Name space code. */
+ /* Data type of value */
- enum namespace namespace;
+ struct type *type;
- /* Address class */
+ /* Name space code. */
- enum address_class class;
+#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;
- /* Data type of value */
+ /* Address class */
- struct type *type;
+ enum address_class aclass BYTE_BITFIELD;
/* 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? */
unsigned short line;
-
+
/* Some symbols require an additional value to be recorded on a per-
symbol basis. Stash those values here. */
union
- {
- /* for OP_BASEREG in DWARF location specs */
- struct
- {
- short regno_valid; /* 0 == regno invalid; !0 == regno valid */
- short regno; /* base register number {0, 1, 2, ...} */
- } basereg;
- }
+ {
+ /* Used by LOC_BASEREG and LOC_BASEREG_ARG. */
+ short basereg;
+ }
aux_value;
+
+ /* 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_CLASS(symbol) (symbol)->class
+#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.regno
-
-/* This currently fails because some symbols are not being initialized
- to zero on allocation, and no code is currently setting this value.
- Basereg handling will probably change significantly in the next release.
- FIXME -fnf */
-
-#if 0
-#define SYMBOL_BASEREG_VALID(symbol) (symbol)->aux_value.basereg.regno_valid
-#else
-#define SYMBOL_BASEREG_VALID(symbol) 0
-#endif
-
+#define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg
+#define SYMBOL_ALIASES(symbol) (symbol)->aliases
+#define SYMBOL_RANGES(symbol) (symbol)->ranges
\f
/* A partial_symbol records the name, namespace, and address class of
symbols whose types we have not parsed yet. For functions, it also
/* Name space code. */
- enum namespace namespace;
+ namespace_enum namespace BYTE_BITFIELD;
/* Address class (for info_symbols) */
- enum address_class class;
+ enum address_class aclass BYTE_BITFIELD;
};
#define PSYMBOL_NAMESPACE(psymbol) (psymbol)->namespace
-#define PSYMBOL_CLASS(psymbol) (psymbol)->class
-
+#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
CORE_ADDR pc;
};
-/* The order of entries in the linetable is significant.
+/* The order of entries in the linetable is significant. They should
+ be sorted by increasing values of the pc field. If there is more than
+ one entry for a given pc, then I'm not sure what should happen (and
+ I not sure whether we currently handle it the best way).
- It should generally be in ascending line number order. Line table
- entries for a function at lines 10-40 should come before entries
- for a function at lines 50-70.
+ Example: a C for statement generally looks like this
- A for statement 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.
-
- FIXME: this description is incomplete. coffread.c is said to get
- the linetable order wrong (would arrange_linenos from xcoffread.c
- work for normal COFF too?). */
+ 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
{
int nitems;
- struct linetable_entry item[1];
-};
-
-/* All the information on one source file. */
-struct source
-{
- char *name; /* Name of file */
- struct linetable contents;
+ /* Actually NITEMS elements. If you don't like this use of the
+ `struct hack', you can shove it up your ANSI (seriously, if the
+ committee tells us how to do it, we can probably go along). */
+ struct linetable_entry item[1];
};
/* How to relocate the symbols from each section in a symbol file.
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])
-/* Each source file is represented by a struct symtab.
+/* The maximum possible size of a section_offsets table. */
+
+#define SIZEOF_SECTION_OFFSETS \
+ (sizeof (struct section_offsets) \
+ + sizeof (((struct section_offsets *) 0)->offsets) * (SECT_OFF_MAX-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. */
+ /* 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. */
+ /* 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. */
+ /* 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. */
+ 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 of version information. May be zero. */
+ /* Language of this source file. */
- char *version;
+ enum language language;
- /* Full name of file as found by searching the source path.
- NULL if not yet known. */
+ /* 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 *fullname;
+ char *debugformat;
- /* Object file from which this symbol information was read. */
+ /* String of version information. May be zero. */
- struct objfile *objfile;
+ char *version;
- /* 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). */
+ /* Full name of file as found by searching the source path.
+ NULL if not yet known. */
-#if defined (EXTRA_SYMTAB_INFO)
- EXTRA_SYMTAB_INFO
-#endif
+ char *fullname;
- };
+ /* Object file from which this symbol information was read. */
+
+ 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). */
+/* External variables and functions for the objects described above. */
-#define OPNAME_PREFIX_P(NAME) \
- ((NAME)[0] == 'o' && (NAME)[1] == 'p' && (NAME)[2] == CPLUS_MARKER)
+/* See the comment in symfile.c about how current_objfile is used. */
-/* Macro that yields non-zero value iff NAME is the prefix for C++ vtbl
- names. Note that this macro is g++ specific (FIXME). */
+extern struct objfile *current_objfile;
-#define VTBL_PREFIX_P(NAME) \
- ((NAME)[3] == CPLUS_MARKER && !strncmp ((NAME), "_vt", 3))
+/* True if we are nested inside psymtab_to_symtab. */
-/* Macro that yields non-zero value iff NAME is the prefix for C++ destructor
- names. Note that this macro is g++ specific (FIXME). */
+extern int currently_reading_symtab;
-#define DESTRUCTOR_PREFIX_P(NAME) \
- ((NAME)[0] == '_' && (NAME)[1] == CPLUS_MARKER && (NAME)[2] == '_')
+/* From utils.c. */
+extern int demangle;
+extern int asm_demangle;
-\f
-/* External variables and functions for the objects described above. */
+/* symtab.c lookup functions */
-/* This symtab variable specifies the current file for printing source lines */
+/* lookup a symbol table by source file name */
-extern struct symtab *current_source_symtab;
+extern struct symtab *lookup_symtab (const char *);
-/* This is the next line to print for listing source lines. */
+/* lookup a symbol by name (optional block, optional symtab) */
-extern int current_source_line;
+extern struct symbol *lookup_symbol (const char *, const struct block *,
+ const namespace_enum, int *,
+ struct symtab **);
-/* See the comment in symfile.c about how current_objfile is used. */
+/* lookup a symbol by name, within a specified block */
-extern struct objfile *current_objfile;
+extern struct symbol *lookup_block_symbol (const struct block *, const char *,
+ const char *,
+ const namespace_enum);
-extern struct symtab *
-lookup_symtab PARAMS ((char *));
+/* lookup a [struct, union, enum] by name, within a specified block */
-extern struct symbol *
-lookup_symbol PARAMS ((const char *, const struct block *,
- const enum namespace, int *, struct symtab **));
+extern struct type *lookup_struct (char *, struct block *);
-extern struct symbol *
-lookup_block_symbol PARAMS ((const struct block *, const char *,
- const enum namespace));
+extern struct type *lookup_union (char *, struct block *);
-extern struct type *
-lookup_struct PARAMS ((char *, struct block *));
+extern struct type *lookup_enum (char *, struct block *);
-extern struct type *
-lookup_union PARAMS ((char *, struct block *));
+/* lookup the function corresponding to the block */
-extern struct type *
-lookup_enum PARAMS ((char *, struct block *));
+extern struct symbol *block_function (struct block *);
-extern struct symbol *
-block_function PARAMS ((struct block *));
+/* from blockframe.c: */
-extern struct symbol *
-find_pc_function PARAMS ((CORE_ADDR));
+/* lookup the function symbol corresponding to the address */
-extern int find_pc_partial_function
- PARAMS ((CORE_ADDR, char **, CORE_ADDR *, CORE_ADDR *));
+extern struct symbol *find_pc_function (CORE_ADDR);
-extern void
-clear_pc_function_cache PARAMS ((void));
+/* lookup the function corresponding to the address and section */
+
+extern struct symbol *find_pc_sect_function (CORE_ADDR, asection *);
-extern struct partial_symtab *
-lookup_partial_symtab PARAMS ((char *));
+/* lookup function from address, return name, start addr and end addr */
-extern struct partial_symtab *
-find_pc_psymtab PARAMS ((CORE_ADDR));
+extern int
+find_pc_partial_function (CORE_ADDR, char **, CORE_ADDR *, CORE_ADDR *);
-extern struct symtab *
-find_pc_symtab PARAMS ((CORE_ADDR));
+extern void clear_pc_function_cache (void);
-extern struct partial_symbol *
-find_pc_psymbol PARAMS ((struct partial_symtab *, CORE_ADDR));
+extern int find_pc_sect_partial_function (CORE_ADDR, asection *,
+ char **, CORE_ADDR *, CORE_ADDR *);
-extern int
-find_pc_line_pc_range PARAMS ((CORE_ADDR, CORE_ADDR *, CORE_ADDR *));
+/* from symtab.c: */
-extern int
-contained_in PARAMS ((struct block *, struct block *));
+/* lookup partial symbol table by filename */
-extern void
-reread_symbols PARAMS ((void));
+extern struct partial_symtab *lookup_partial_symtab (const char *);
+
+/* lookup partial symbol table by address */
+
+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 (CORE_ADDR, asection *);
+
+/* lookup full symbol table by address */
+
+extern struct symtab *find_pc_symtab (CORE_ADDR);
+
+/* lookup full symbol table by address and section */
+
+extern struct symtab *find_pc_sect_symtab (CORE_ADDR, asection *);
+
+/* lookup partial symbol by address */
+
+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 (struct partial_symtab *,
+ CORE_ADDR, asection *);
+
+extern int find_pc_line_pc_range (CORE_ADDR, CORE_ADDR *, CORE_ADDR *);
+
+extern int contained_in (struct block *, struct block *);
+
+extern void reread_symbols (void);
+
+extern struct type *lookup_transparent_type (const char *);
+
+
+/* Macro for name of symbol to indicate a file compiled with gcc. */
+#ifndef GCC_COMPILED_FLAG_SYMBOL
+#define GCC_COMPILED_FLAG_SYMBOL "gcc_compiled."
+#endif
+
+/* Macro for name of symbol to indicate a file compiled with gcc2. */
+#ifndef GCC2_COMPILED_FLAG_SYMBOL
+#define GCC2_COMPILED_FLAG_SYMBOL "gcc2_compiled."
+#endif
/* 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));
+extern void prim_record_minimal_symbol (const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ struct objfile *);
-extern void
-prim_record_minimal_symbol_and_info PARAMS ((const char *, CORE_ADDR,
- enum minimal_symbol_type,
- char *info, int section));
+extern struct minimal_symbol *prim_record_minimal_symbol_and_info
+ (const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ char *info, int section, asection * bfd_section, struct objfile *);
-extern struct minimal_symbol *
-lookup_minimal_symbol PARAMS ((const char *, struct objfile *));
+extern unsigned int msymbol_hash_iw (const char *);
-extern struct minimal_symbol *
-lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR));
+extern unsigned int msymbol_hash (const char *);
extern void
-init_minimal_symbol_collection PARAMS ((void));
+add_minsym_to_hash_table (struct minimal_symbol *sym,
+ struct minimal_symbol **table);
-extern void
-discard_minimal_symbols PARAMS ((int));
+extern struct minimal_symbol *lookup_minimal_symbol (const char *,
+ const char *,
+ struct objfile *);
-extern void
-install_minimal_symbols PARAMS ((struct objfile *));
+extern struct minimal_symbol *lookup_minimal_symbol_text (const char *,
+ const char *,
+ struct objfile *);
+
+struct minimal_symbol *lookup_minimal_symbol_solib_trampoline (const char *,
+ const char *,
+ struct objfile
+ *);
+
+extern struct minimal_symbol *lookup_minimal_symbol_by_pc (CORE_ADDR);
+
+extern struct minimal_symbol *lookup_minimal_symbol_by_pc_section (CORE_ADDR,
+ asection
+ *);
+
+extern struct minimal_symbol
+ *lookup_solib_trampoline_symbol_by_pc (CORE_ADDR);
+
+extern CORE_ADDR find_solib_trampoline_target (CORE_ADDR);
+
+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 (struct objfile *objfile);
struct symtab_and_line
{
struct symtab *symtab;
-
+ 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; \
+}
+
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 (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 (CORE_ADDR, struct symtab **,
+ CORE_ADDR *);
/* 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 *, int, 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_1 PARAMS ((char **, int, struct symtab *, int, char ***));
+extern struct symtabs_and_lines decode_line_spec_1 (char *, int);
/* Symmisc.c */
-#if MAINTENANCE_CMDS
+void maintenance_print_symbols (char *, int);
-void
-maintenance_print_symbols PARAMS ((char *, int));
+void maintenance_print_psymbols (char *, int);
-void
-maintenance_print_psymbols PARAMS ((char *, int));
+void maintenance_print_msymbols (char *, int);
-void
-maintenance_print_msymbols PARAMS ((char *, int));
+void maintenance_print_objfiles (char *, int);
-void
-maintenance_print_objfiles PARAMS ((char *, int));
+void maintenance_check_symtabs (char *, int);
-#endif
+/* maint.c */
-extern void
-free_symtab PARAMS ((struct symtab *));
+void maintenance_print_statistics (char *, int);
-/* Symbol-reading stuff in symfile.c and solib.c. */
+extern void free_symtab (struct symtab *);
-extern struct symtab *
-psymtab_to_symtab PARAMS ((struct partial_symtab *));
+/* Symbol-reading stuff in symfile.c and solib.c. */
-extern void
-clear_solib PARAMS ((void));
+extern struct symtab *psymtab_to_symtab (struct partial_symtab *);
-extern struct objfile *
-symbol_file_add PARAMS ((char *, int, CORE_ADDR, int, int, int));
+extern void clear_solib (void);
/* source.c */
-extern int frame_file_full_name; /* in stack.c */
+extern int identify_source_line (struct symtab *, int, int, CORE_ADDR);
-extern int
-identify_source_line PARAMS ((struct symtab *, int, int, CORE_ADDR));
+extern void print_source_lines (struct symtab *, int, int, int);
-extern void
-print_source_lines PARAMS ((struct symtab *, int, int, int));
+extern void forget_cached_source_info (void);
-extern void
-forget_cached_source_info PARAMS ((void));
+extern void select_source_symtab (struct symtab *);
-extern void
-select_source_symtab PARAMS ((struct symtab *));
+extern char **make_symbol_completion_list (char *, char *);
+
+extern char **make_file_symbol_completion_list (char *, char *, char *);
+
+extern struct symbol **make_symbol_overload_list (struct symbol *);
-extern char **make_symbol_completion_list PARAMS ((char *, char *));
+extern char **make_source_files_completion_list (char *, char *);
/* symtab.c */
-extern void
-clear_symtab_users_once PARAMS ((void));
+extern struct partial_symtab *find_main_psymtab (void);
+
+extern struct symtab *find_line_symtab (struct symtab *, int, int *, int *);
-extern struct partial_symtab *
-find_main_psymtab PARAMS ((void));
+extern struct symtab_and_line find_function_start_sal (struct symbol *sym,
+ int);
/* blockframe.c */
-extern struct blockvector *
-blockvector_for_pc PARAMS ((CORE_ADDR, int *));
+extern struct blockvector *blockvector_for_pc (CORE_ADDR, int *);
+
+extern struct blockvector *blockvector_for_pc_sect (CORE_ADDR, asection *,
+ int *, struct symtab *);
/* symfile.c */
-extern enum language
-deduce_language_from_filename PARAMS ((char *));
+extern void clear_symtab_users (void);
+
+extern enum language deduce_language_from_filename (char *);
+
+/* symtab.c */
+
+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 void search_symbols (char *, namespace_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 / binutils.git / blobdiff