/* Symbol table definitions for GDB.
- Copyright (C) 1986, 1989 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1989, 1991, 1992 Free Software Foundation, Inc.
This file is part of GDB.
-GDB is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-GDB is distributed in the hope that it will be useful,
+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 GDB; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#if !defined (SYMTAB_H)
#define SYMTAB_H 1
-#include <obstack.h>
+#include "obstack.h"
-/* An obstack to hold objects that should be freed
- when we load a new symbol table.
- This includes the symbols made by dbxread
- and the types that are not permanent. */
+/* See the comment in symfile.c about how current_objfile is used. */
-extern struct obstack *symbol_obstack;
-extern struct obstack *psymbol_obstack;
+extern struct objfile *current_objfile;
/* Some definitions and declarations to go with use of obstacks. */
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
-#ifdef __STDC__
-extern void *xmalloc ();
-#else
-extern char *xmalloc ();
-#endif
-extern void free ();
/* Some macros for char-based bitfields. */
-#define B_SET(a,x) (a[x>>3] |= (1 << (x&7)))
-#define B_CLR(a,x) (a[x>>3] &= ~(1 << (x&7)))
-#define B_TST(a,x) (a[x>>3] & (1 << (x&7)))
+#define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
+#define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
+#define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
#define B_TYPE unsigned char
#define B_BYTES(x) ( 1 + ((x)>>3) )
-#define B_CLRALL(a,x) bzero (a, B_BYTES(x))
-
-/* gdb can know one or several symbol tables at the same time;
- the ultimate intent is to have one for each separately-compiled module.
- Each such symbol table is recorded by a struct symtab, and they
- are all chained together. */
-
-/* In addition, gdb can record any number of miscellaneous undebuggable
- functions' addresses. In a system that appends _ to function names,
- the _'s are removed from the names stored in this table. */
-
-/* Actually, the misc function list is used to store *all* of the
- global symbols (text, data, bss, and abs). It is sometimes used
- to figure out what symtabs to read in. The "type" field is used
- occasionally.
-
- The misc_info field is available for machine-specific information
- that can be cached along with a misc function vector entry. 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. */
-
-enum misc_function_type {mf_unknown = 0, mf_text, mf_data, mf_bss, mf_abs};
-
-struct misc_function
+#define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
+
+
+/* Define a simple structure used to hold some very basic information about
+ all defined global symbols (text, data, bss, abs, etc). The only two
+ required pieces of information are the symbol's name and the address
+ associated with that symbol. In many cases, even if a file was compiled
+ with no special options for debugging at all, as long as was not stripped
+ it will contain sufficient information to build a useful minimal symbol
+ table using this structure. Even when a file contains enough debugging
+ information to build a full symbol table, these minimal symbols are still
+ useful for quickly mapping between names and addresses, and vice versa.
+ They are also sometimes used to figure out what full symbol table entries
+ need to be read in. */
+
+struct minimal_symbol
{
- char *name;
- CORE_ADDR address;
- char *misc_info; /* Random pointer to misc info. void * but for old C */
- enum misc_function_type type;
-};
-/* Address and length of the vector recording all misc function names/addresses. */
+ /* Name of the symbol. This is a required field. Storage for the name is
+ allocated on the symbol_obstack for the associated objfile. */
-struct misc_function *misc_function_vector;
-int misc_function_count;
-\f
-enum language {language_unknown, language_c};
-
-/* All data types of symbols in the compiled program
- are represented by `struct type' objects.
- All of these objects are pointed to by the typevector.
- The type vector may have empty slots that contain zero. */
-
-struct typevector
-{
- int length; /* Number of types described */
- struct type *type[1];
-};
-
-/* Different kinds of data types are distinguished by the `code' field. */
-
-enum type_code
-{
- TYPE_CODE_UNDEF, /* Not used; catches errors */
- TYPE_CODE_PTR, /* Pointer type */
- TYPE_CODE_ARRAY, /* Array type, lower bound zero */
- TYPE_CODE_STRUCT, /* C struct or Pascal record */
- TYPE_CODE_UNION, /* C union or Pascal variant part */
- TYPE_CODE_ENUM, /* Enumeration type */
- TYPE_CODE_FUNC, /* Function type */
- TYPE_CODE_INT, /* Integer type */
- TYPE_CODE_FLT, /* Floating type */
- TYPE_CODE_VOID, /* Void type (values zero length) */
- TYPE_CODE_SET, /* Pascal sets */
- TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
- TYPE_CODE_PASCAL_ARRAY, /* Array with explicit type of index */
- TYPE_CODE_ERROR, /* Unknown type */
-
- /* C++ */
- TYPE_CODE_MEMBER, /* Member type */
- TYPE_CODE_METHOD, /* Method type */
- TYPE_CODE_REF, /* C++ Reference types */
-};
-
-/* This appears in a type's flags word for an unsigned integer type. */
-#define TYPE_FLAG_UNSIGNED 1
-/* This appears in a type's flags word
- if it is a (pointer to a|function returning a)* built in scalar type.
- These types are never freed. */
-#define TYPE_FLAG_PERM 4
-/* This appears in a type's flags word if it is a stub type (eg. if
- someone referenced a type that wasn't definined in a source file
- via (struct sir_not_appearing_in_this_film *)). */
-#define TYPE_FLAG_STUB 8
-/* Set when a class has a constructor defined */
-#define TYPE_FLAG_HAS_CONSTRUCTOR 256
-/* Set when a class has a destructor defined */
-#define TYPE_FLAG_HAS_DESTRUCTOR 512
-
-struct type
-{
- /* Code for kind of type */
- enum type_code code;
- /* Name of this type, or zero if none.
- This is used for printing only, except by poorly designed C++ code.
- Type names specified as input are defined by symbols. */
char *name;
- /* Length in bytes of storage for a value of this type */
- unsigned length;
- /* For a pointer type, describes the type of object pointed to.
- For an array type, describes the type of the elements.
- For a function or method type, describes the type of the value.
- For a range type, describes the type of the full range.
- Unused otherwise. */
- struct type *target_type;
- /* Type that is a pointer to this type.
- Zero if no such pointer-to type is known yet.
- The debugger may add the address of such a type
- if it has to construct one later. */
- struct type *pointer_type;
- /* C++: also need a reference type. */
- struct type *reference_type;
- struct type **arg_types;
-
- /* Type that is a function returning this type.
- Zero if no such function type is known here.
- The debugger may add the address of such a type
- if it has to construct one later. */
- struct type *function_type;
-
-/* Handling of pointers to members:
- TYPE_MAIN_VARIANT is used for pointer and pointer
- to member types. Normally it the value of the address of its
- containing type. However, for pointers to members, we must be
- able to allocate pointer to member types and look them up
- from some place of reference.
- NEXT_VARIANT is the next element in the chain.
-
- A long time ago (Jul 88; GDB 2.5) Tiemann said that main_variant
- may no longer be necessary and that he might eliminate it. I don't
- know whether this is still true (or ever was). */
- struct type *main_variant, *next_variant;
-
- /* Flags about this type. */
- short flags;
- /* Number of fields described for this type */
- short nfields;
- /* For structure and union types, a description of each field.
- For set and pascal array types, there is one "field",
- whose type is the domain type of the set or array.
- For range types, there are two "fields",
- the minimum and maximum values (both inclusive).
- For enum types, each possible value is described by one "field".
-
- Using a pointer to a separate array of fields
- allows all types to have the same size, which is useful
- because we can allocate the space for a type before
- we know what to put in it. */
- struct field
- {
- /* Position of this field, counting in bits from start of
- containing structure. For a function type, this is the
- position in the argument list of this argument.
- For a range bound or enum value, this is the value itself. */
- int bitpos;
- /* Size of this field, in bits, or zero if not packed.
- For an unpacked field, the field's type's length
- says how many bytes the field occupies. */
- int bitsize;
- /* In a struct or enum type, type of this field.
- In a function type, type of this argument.
- In an array type, the domain-type of the array. */
- struct type *type;
- /* Name of field, value or argument.
- Zero for range bounds and array domains. */
- char *name;
- } *fields;
-
- /* C++ */
- B_TYPE *virtual_field_bits; /* if base class is virtual */
- B_TYPE *private_field_bits;
- B_TYPE *protected_field_bits;
-
- /* Number of methods described for this type */
- short nfn_fields;
- /* Number of base classes this type derives from. */
- short n_baseclasses;
-
- /* Number of methods described for this type plus all the
- methods that it derives from. */
- int nfn_fields_total;
-
- /* For classes, structures, and unions, a description of each field,
- which consists of an overloaded name, followed by the types of
- arguments that the method expects, and then the name after it
- has been renamed to make it distinct. */
- struct fn_fieldlist
- {
- /* The overloaded name. */
- char *name;
- /* The number of methods with this name. */
- int length;
- /* The list of methods. */
- struct fn_field
- {
-#if 0
- /* The overloaded name */
- char *name;
-#endif
- /* The return value of the method */
- struct type *type;
- /* The argument list */
- struct type **args;
- /* The name after it has been processed */
- char *physname;
-
- /* For virtual functions. */
- /* First baseclass that defines this virtual function. */
- struct type *fcontext;
- /* Index into that baseclass's virtual function table,
- minus 1; else if static: VOFFSET_STATIC; else: 0. */
- int voffset;
-# define VOFFSET_STATIC (-1)
- } *fn_fields;
- B_TYPE *private_fn_field_bits;
- B_TYPE *protected_fn_field_bits;
+ /* Address of the symbol. This is a required field. */
- } *fn_fieldlists;
-
- unsigned char via_protected;
- unsigned char via_public;
-
- /* For types with virtual functions, VPTR_BASETYPE is the base class which
- defined the virtual function table pointer. VPTR_FIELDNO is
- the field number of that pointer in the structure.
-
- For types that are pointer to member types, VPTR_BASETYPE
- ifs the type that this pointer is a member of.
+ CORE_ADDR address;
- Unused otherwise. */
- struct type *vptr_basetype;
+ /* 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. */
+
+ char *info;
+
+ /* 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
+ which is a better match between two types (mst_data versus mst_bss) for
+ example. Since the minimal symbol info is sometimes derived from the
+ BFD library's view of a file, we need to live with what information bfd
+ 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;
- int vptr_fieldno;
};
+
\f
/* All of the name-scope contours of the program
are represented by `struct block' objects.
/* Note that in an unrelocated symbol segment in an object file
this pointer may be zero when the correct value should be
the second special block (for symbols whose scope is one compilation).
- This is because the compiler ouptuts the special blocks at the
+ This is because the compiler outputs the special blocks at the
very end, after the other blocks. */
struct block *superblock;
- /* A flag indicating whether or not the fucntion corresponding
+ /* A flag indicating whether or not the function corresponding
to this block was compiled with gcc or not. If there is no
function corresponding to this block, this meaning of this flag
is undefined. (In practice it will be 1 if the block was created
enum namespace
{
- UNDEF_NAMESPACE, VAR_NAMESPACE, STRUCT_NAMESPACE, LABEL_NAMESPACE,
+ UNDEF_NAMESPACE, VAR_NAMESPACE, STRUCT_NAMESPACE, LABEL_NAMESPACE
};
/* An address-class says where to find the value of a symbol. */
LOC_LABEL, /* Value is address SYMBOL_VALUE_ADDRESS in the code */
LOC_BLOCK, /* Value is address SYMBOL_VALUE_BLOCK of a
`struct block'. Function names have this class. */
- LOC_EXTERNAL, /* Value is at address SYMBOL_VALUE_ADDRESS not in
- this compilation.
- This is used only in psymtabs; in symtabs
- LOC_STATIC is used instead (since in that case
- we take the time to find the address). */
LOC_CONST_BYTES, /* Value is a constant byte-sequence pointed to by
SYMBOL_VALUE_ADDRESS, in target byte order. */
- LOC_LOCAL_ARG, /* Value is arg at spec'd offset in stack frame.
+ LOC_LOCAL_ARG /* Value is arg at spec'd offset in stack frame.
Differs from LOC_LOCAL in that symbol is an
argument; differs from LOC_ARG in that we find it
in the frame (FRAME_LOCALS_ADDRESS), not in the
LOC_REF_ARG, LOC_REGPARM, LOC_LOCAL */
struct block *block; /* for LOC_BLOCK */
char *bytes; /* for LOC_CONST_BYTES */
- CORE_ADDR address; /* for LOC_STATIC, LOC_LABEL, LOC_EXTERNAL */
+ CORE_ADDR address; /* for LOC_STATIC, LOC_LABEL */
struct symbol *chain; /* for opaque typedef struct chain */
}
value;
+
+ /* Some symbols require an additional value to be recorded on a per-
+ symbol basis. Stash those values here. */
+ union
+ {
+ struct /* for OP_BASEREG in DWARF location specs */
+ {
+ short regno_valid; /* 0 == regno invalid; !0 == regno valid */
+ short regno; /* base register number {0, 1, 2, ...} */
+ } basereg;
+ }
+ aux_value;
};
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
- on the partial_symtab_list and which points to the corresponding
+ on a partial symtab list and which points to the corresponding
normal symtab once the partial_symtab has been referenced. */
struct partial_symbol
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;
+ typically it is indexed by section numbers or symbol types or
+ something like that.
+
+ To give us flexibility in changing the internal representation
+ of these offsets, the ANOFFSET macro must be used to insert and
+ extract offset values in the struct. */
+
+struct section_offsets
+ {
+ CORE_ADDR offsets[1]; /* As many as needed. */
+ };
+
+#define ANOFFSET(secoff, whichone) (secoff->offsets[whichone])
+
/* Each source file is represented by a struct symtab.
These objects are chained through the `next' field. */
struct symtab *next;
/* List of all symbol scope blocks for this symtab. */
struct blockvector *blockvector;
- /* Table mapping core addresses to line numbers for this file. */
+ /* Table mapping core addresses to line numbers for this file.
+ Can be NULL if none. */
struct linetable *linetable;
- /* Vector containing all types defined for this symtab. */
- struct typevector *typevector;
/* Name of this source file. */
char *filename;
/* Directory in which it was compiled, or NULL if we don't know. */
/* Full name of file as found by searching the source path.
0 if not yet known. */
char *fullname;
+
+ /* Object file from which this symbol information was read. */
+ struct objfile *objfile;
+
+ /* 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). */
+#if defined (EXTRA_SYMTAB_INFO)
+ EXTRA_SYMTAB_INFO
+#endif
};
/* 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
list of names of global symbols which are located in this file.
- They are all chained on partial_symtab_list.
+ They are all chained on partial symtab lists.
Even after the source file has been read into a symtab, the
partial_symtab remains around. They are allocated on an obstack,
psymbol_obstack. FIXME, this is bad for dynamic linking or VxWorks-
style execution of a bunch of .o's. */
+
struct partial_symtab
{
/* Chain of all existing partial symtabs. */
/* Name of the source file which this partial_symtab defines */
char *filename;
- /* Name of the symbol file from which symbols should be read. */
- char *symfile_name;
- /* Address relative to which the symbols in this file are. Need to
- relocate by this amount when reading in symbols from the symbol
- file. */
- CORE_ADDR addr;
-
- /* Offset within loader symbol table of first local symbol for this
- file and length (in bytes) of the section of the symbol table
- devoted to this file's symbols (actually, the section bracketed
- may contain more than just this files symbols
- If ldsymlen is 0, the only reason for this things existence is
- the dependency list below. Nothing else will happen when it is
- read in. */
- int ldsymoff, ldsymlen;
+ /* Information about the object file from which symbols should be read. */
+ struct objfile *objfile;
+
+ /* Set of relocation offsets to apply to each section. */
+ struct section_offsets *section_offsets;
+
/* Range of text addresses covered by this file; texthigh is the
beginning of the next section. */
CORE_ADDR textlow, texthigh;
/* Global symbol list. This list will be sorted after readin to
improve access. Binary search will be the usual method of
finding a symbol within it. globals_offset is an integer offset
- within ps_globals */
+ within global_psymbols[]. */
int globals_offset, n_global_syms;
/* Static symbol list. This list will *not* be sorted after readin;
to find a symbol in it, exhaustive search must be used. This is
reasonable because searches through this list will eventually
lead to either the read in of a files symbols for real (assumed
to take a *lot* of time; check) or an error (and we don't care
- how long errors take). */
+ how long errors take). This is an offset and size within
+ static_psymbols[]. */
int statics_offset, n_static_syms;
/* Pointer to symtab eventually allocated for this source file, 0 if
!readin or if we haven't looked for the symtab after it was readin. */
struct symtab *symtab;
/* Pointer to function which will read in the symtab corresponding to
this psymtab. */
- void (*read_symtab) ();
+ void (*read_symtab) PARAMS ((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
+ format-dependent symbol reading routines. For further detail examine
+ the various symbol reading modules. Should really be (void *) but is
+ (char *) as with other such gdb variables. (FIXME) */
+ char *read_symtab_private;
/* Non-zero if the symtab corresponding to this psymtab has been
readin */
unsigned char readin;
(pst)->symtab: \
psymtab_to_symtab (pst) )
-/* This is the list of struct symtab's that gdb considers current. */
-
-struct symtab *symtab_list;
-
-/* This is the list of struct partial_symtab's that gdb may need to access */
-
-struct partial_symtab *partial_symtab_list;
-
/* This symtab variable specifies the current file for printing source lines */
-struct symtab *current_source_symtab;
+extern struct symtab *current_source_symtab;
/* This is the next line to print for listing source lines. */
-int current_source_line;
+extern int current_source_line;
-#define BLOCKLIST(symtab) (symtab)->blockvector
#define BLOCKVECTOR(symtab) (symtab)->blockvector
-#define TYPEVECTOR(symtab) (symtab)->typevector
-
-#define LINELIST(symtab) (symtab)->linetable
#define LINETABLE(symtab) (symtab)->linetable
\f
/* Macros normally used to access components of symbol table structures. */
-#define BLOCKLIST_NBLOCKS(blocklist) (blocklist)->nblocks
-#define BLOCKLIST_BLOCK(blocklist,n) (blocklist)->block[n]
#define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks
#define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n]
-#define TYPEVECTOR_NTYPES(typelist) (typelist)->length
-#define TYPEVECTOR_TYPE(typelist,n) (typelist)->type[n]
-
#define BLOCK_START(bl) (bl)->startaddr
#define BLOCK_END(bl) (bl)->endaddr
#define BLOCK_NSYMS(bl) (bl)->nsyms
#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->value.chain
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
-
-#define TYPE_NAME(thistype) (thistype)->name
-#define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
-#define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
-#define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
-#define TYPE_FUNCTION_TYPE(thistype) (thistype)->function_type
-#define TYPE_MAIN_VARIANT(thistype) (thistype)->main_variant
-#define TYPE_NEXT_VARIANT(thistype) (thistype)->next_variant
-#define TYPE_LENGTH(thistype) (thistype)->length
-#define TYPE_FLAGS(thistype) (thistype)->flags
-#define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
-#define TYPE_CODE(thistype) (thistype)->code
-#define TYPE_NFIELDS(thistype) (thistype)->nfields
-#define TYPE_FIELDS(thistype) (thistype)->fields
-/* C++ */
-#define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
-#define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
-#define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
-#define TYPE_FN_FIELDS(thistype) (thistype)->fn_fields
-#define TYPE_NFN_FIELDS(thistype) (thistype)->nfn_fields
-#define TYPE_NFN_FIELDS_TOTAL(thistype) (thistype)->nfn_fields_total
-#define TYPE_ARG_TYPES(thistype) (thistype)->arg_types
-#define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
-#define TYPE_N_BASECLASSES(thistype) (thistype)->n_baseclasses
-#define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
-#define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos
-#define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
-#define BASETYPE_VIA_VIRTUAL(thistype, index) B_TST((thistype)->virtual_field_bits, (index))
-
-#define TYPE_FIELD(thistype, n) (thistype)->fields[n]
-#define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type
-#define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name
-#define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type)
-#define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos
-#define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize
-#define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize
-
-#define TYPE_FIELD_PRIVATE_BITS(thistype) (thistype)->private_field_bits
-#define TYPE_FIELD_PROTECTED_BITS(thistype) (thistype)->protected_field_bits
-#define TYPE_FIELD_VIRTUAL_BITS(thistype) (thistype)->virtual_field_bits
-#define SET_TYPE_FIELD_PRIVATE(thistype, n) B_SET ((thistype)->private_field_bits, (n))
-#define SET_TYPE_FIELD_PROTECTED(thistype, n) B_SET ((thistype)->protected_field_bits, (n))
-#define SET_TYPE_FIELD_VIRTUAL(thistype, n) B_SET ((thistype)->virtual_field_bits, (n))
-#define TYPE_FIELD_PRIVATE(thistype, n) B_TST((thistype)->private_field_bits, (n))
-#define TYPE_FIELD_PROTECTED(thistype, n) B_TST((thistype)->protected_field_bits, (n))
-#define TYPE_FIELD_VIRTUAL(thistype, n) B_TST((thistype)->virtual_field_bits, (n))
-
-#define TYPE_HAS_DESTRUCTOR(thistype) ((thistype)->flags & TYPE_FLAG_HAS_DESTRUCTOR)
-#define TYPE_HAS_CONSTRUCTOR(thistype) ((thistype)->flags & TYPE_FLAG_HAS_CONSTRUCTOR)
-
-#define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1)
-#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize)
-
-#define TYPE_FN_FIELDLISTS(thistype) (thistype)->fn_fieldlists
-#define TYPE_FN_FIELDLIST(thistype, n) (thistype)->fn_fieldlists[n]
-#define TYPE_FN_FIELDLIST1(thistype, n) (thistype)->fn_fieldlists[n].fn_fields
-#define TYPE_FN_FIELDLIST_NAME(thistype, n) (thistype)->fn_fieldlists[n].name
-#define TYPE_FN_FIELDLIST_LENGTH(thistype, n) (thistype)->fn_fieldlists[n].length
-
-#define TYPE_FN_FIELD(thistype, n) (thistype)[n]
-#define TYPE_FN_FIELD_NAME(thistype, n) (thistype)[n].name
-#define TYPE_FN_FIELD_TYPE(thistype, n) (thistype)[n].type
-#define TYPE_FN_FIELD_ARGS(thistype, n) TYPE_ARG_TYPES ((thistype)[n].type)
-#define TYPE_FN_FIELD_PHYSNAME(thistype, n) (thistype)[n].physname
-#define TYPE_FN_FIELD_VIRTUAL_P(thistype, n) ((thistype)[n].voffset > 0)
-#define TYPE_FN_FIELD_STATIC_P(thistype, n) ((thistype)[n].voffset == VOFFSET_STATIC)
-#define TYPE_FN_FIELD_VOFFSET(thistype, n) ((thistype)[n].voffset-1)
-#define TYPE_FN_FIELD_FCONTEXT(thistype, n) ((thistype)[n].fcontext)
-
-#define TYPE_FN_PRIVATE_BITS(thistype) (thistype).private_fn_field_bits
-#define TYPE_FN_PROTECTED_BITS(thistype) (thistype).protected_fn_field_bits
-#define SET_TYPE_FN_PRIVATE(thistype, n) B_SET ((thistype).private_fn_field_bits, n)
-#define SET_TYPE_FN_PROTECTED(thistype, n) B_SET ((thistype).protected_fn_field_bits, n)
-#define TYPE_FN_PRIVATE(thistype, n) B_TST ((thistype).private_fn_field_bits, n)
-#define TYPE_FN_PROTECTED(thistype, n) B_TST ((thistype).protected_fn_field_bits, n)
+#if 0
+/* 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 */
+#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.regno
/* The virtual function table is now an array of structures
which have the form { int16 offset, delta; void *pfn; }.
\f
/* Functions that work on the objects described above */
-extern struct symtab *lookup_symtab ();
-extern struct symbol *lookup_symbol ();
-extern struct symbol *lookup_block_symbol ();
-extern int lookup_misc_func ();
-extern void check_stub_type ();
-extern void check_stub_method ();
-extern struct type *lookup_primitive_typename ();
-extern struct type *lookup_typename ();
-extern struct type *lookup_unsigned_typename ();
-extern struct type *lookup_struct ();
-extern struct type *lookup_union ();
-extern struct type *lookup_enum ();
-extern struct type *lookup_struct_elt_type ();
-extern struct type *lookup_pointer_type ();
-extern struct type *lookup_function_type ();
-extern struct type *lookup_basetype_type ();
-extern struct type *create_array_type ();
-extern struct symbol *block_function ();
-extern struct symbol *find_pc_function ();
-extern int find_pc_partial_function ();
-extern void clearpc_function_cache ();
-extern struct partial_symtab *lookup_partial_symtab ();
-extern struct partial_symtab *find_pc_psymtab ();
-extern struct symtab *find_pc_symtab ();
-extern struct partial_symbol *find_pc_psymbol ();
-extern int find_pc_misc_function ();
-extern int find_pc_line_pc_range ();
-extern char *type_name_no_tag ();
-extern int contained_in();
-
-/* C++ stuff. */
-extern struct type *lookup_reference_type ();
-extern struct type *lookup_member_type ();
-extern struct type *lookup_method_type ();
-extern struct type *lookup_class ();
-extern void smash_to_method_type ();
-extern struct type *allocate_stub_method ();
-/* end of C++ stuff. */
-
-extern void free_all_symtabs ();
-extern void free_all_psymtabs ();
-extern void free_inclink_symtabs ();
-extern void reread_symbols ();
-
-extern struct type *builtin_type_void;
-extern struct type *builtin_type_char;
-extern struct type *builtin_type_short;
-extern struct type *builtin_type_int;
-extern struct type *builtin_type_long;
-extern struct type *builtin_type_unsigned_char;
-extern struct type *builtin_type_unsigned_short;
-extern struct type *builtin_type_unsigned_int;
-extern struct type *builtin_type_unsigned_long;
-extern struct type *builtin_type_float;
-extern struct type *builtin_type_double;
-/* This type represents a type that was unrecognized in symbol
- read-in. */
-extern struct type *builtin_type_error;
-
-extern struct type *builtin_type_long_long;
-extern struct type *builtin_type_unsigned_long_long;
-
-/* LONG_LONG is defined if the host has "long long". */
-#ifdef LONG_LONG
-#define BUILTIN_TYPE_LONGEST builtin_type_long_long
-#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long
-/* This should not be a typedef, because "unsigned LONGEST" needs
- to work. */
-#define LONGEST long long
-
-#else /* not LONG_LONG. */
-
-#define BUILTIN_TYPE_LONGEST builtin_type_long
-#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long
-#define LONGEST long
-
-#endif /* not LONG_LONG. */
+extern struct symtab *
+lookup_symtab PARAMS ((char *));
+
+extern struct symbol *
+lookup_symbol PARAMS ((const char *, const struct block *,
+ const enum namespace, int *, struct symtab **));
+
+extern struct symbol *
+lookup_block_symbol PARAMS ((const struct block *, const char *,
+ const enum namespace));
+
+extern struct type *
+lookup_struct PARAMS ((char *, struct block *));
+
+extern struct type *
+lookup_union PARAMS ((char *, struct block *));
+
+extern struct type *
+lookup_enum PARAMS ((char *, struct block *));
+
+extern struct type *
+check_struct PARAMS ((struct type *));
+
+extern struct type *
+check_union PARAMS ((struct type *));
+
+extern struct type *
+check_enum PARAMS ((struct type *));
+
+extern struct symbol *
+block_function PARAMS ((struct block *));
+
+extern struct symbol *
+find_pc_function PARAMS ((CORE_ADDR));
+
+extern int
+find_pc_partial_function PARAMS ((CORE_ADDR, char **, CORE_ADDR *));
+
+extern void
+clear_pc_function_cache PARAMS ((void));
+
+extern struct partial_symtab *
+lookup_partial_symtab PARAMS ((char *));
+
+extern struct partial_symtab *
+find_pc_psymtab PARAMS ((CORE_ADDR));
+
+extern struct symtab *
+find_pc_symtab PARAMS ((CORE_ADDR));
+
+extern struct partial_symbol *
+find_pc_psymbol PARAMS ((struct partial_symtab *, CORE_ADDR));
+
+extern int
+find_pc_line_pc_range PARAMS ((CORE_ADDR, CORE_ADDR *, CORE_ADDR *));
+
+extern int
+contained_in PARAMS ((struct block *, struct block *));
+
+extern void
+reread_symbols PARAMS ((void));
+
+/* 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_and_info PARAMS ((const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ char *info));
+
+extern struct minimal_symbol *
+lookup_minimal_symbol PARAMS ((const char *, struct objfile *));
+
+extern struct minimal_symbol *
+lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR));
+
+extern void
+init_minimal_symbol_collection PARAMS ((void));
+
+extern void
+discard_minimal_symbols PARAMS ((int));
+
+extern void
+install_minimal_symbols PARAMS ((struct objfile *));
struct symtab_and_line
{
Second arg nonzero means if pc is on the boundary
use the previous statement's line number. */
-struct symtab_and_line find_pc_line ();
+extern struct symtab_and_line
+find_pc_line PARAMS ((CORE_ADDR, int));
/* Given a symtab and line number, return the pc there. */
-extern CORE_ADDR find_line_pc ();
-extern int find_line_pc_range ();
+
+extern CORE_ADDR
+find_line_pc PARAMS ((struct symtab *, int));
+
+extern int
+find_line_pc_range PARAMS ((struct symtab *, int, CORE_ADDR *, CORE_ADDR *));
+
+extern void
+resolve_sal_pc PARAMS ((struct symtab_and_line *));
/* Given a string, return the line specified by it.
For commands like "list" and "breakpoint". */
-struct symtabs_and_lines decode_line_spec ();
-struct symtabs_and_lines decode_line_spec_1 ();
-struct symtabs_and_lines decode_line_1 ();
+extern struct symtabs_and_lines
+decode_line_spec PARAMS ((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));
/* Symmisc.c */
-void free_symtab ();
+
+#if MAINTENANCE_CMDS
+
+void
+maintenance_print_symbols PARAMS ((char *, int));
+
+void
+maintenance_print_psymbols PARAMS ((char *, int));
+
+void
+maintenance_print_msymbols PARAMS ((char *, int));
+
+void
+maintenance_print_objfiles PARAMS ((char *, int));
+
+#endif
+
+extern void
+free_symtab PARAMS ((struct symtab *));
/* Symbol-reading stuff in symfile.c and solib.c. */
-struct symtab *psymtab_to_symtab ();
-void clear_solib ();
-void symbol_file_add ();
+
+extern struct symtab *
+psymtab_to_symtab PARAMS ((struct partial_symtab *));
+
+extern void
+clear_solib PARAMS ((void));
+
+extern struct objfile *
+symbol_file_add PARAMS ((char *, int, CORE_ADDR, int, int, int));
/* source.c */
-int identify_source_line ();
-void print_source_lines ();
-char **make_symbol_completion_list ();
+extern int
+identify_source_line PARAMS ((struct symtab *, int, int));
+
+extern void
+print_source_lines PARAMS ((struct symtab *, int, int, int));
+
+extern void
+forget_cached_source_info PARAMS ((void));
+
+extern void
+select_source_symtab PARAMS ((struct symtab *));
+
+extern char **
+make_symbol_completion_list PARAMS ((char *));
+
+/* symtab.c */
+
+extern void
+clear_symtab_users_once PARAMS ((void));
+
+extern struct partial_symtab *
+find_main_psymtab PARAMS ((void));
+
+extern struct type *
+find_nested_type PARAMS ((struct type *, char*));
+
+/* blockframe.c */
+
+extern struct blockvector *
+blockvector_for_pc PARAMS ((CORE_ADDR, int *));
+
+/* symfile.c */
-/* The entry point of a file we are reading. */
-extern CORE_ADDR entry_point;
+extern enum language
+deduce_language_from_filename PARAMS ((char *));
-#endif /* symtab.h not already included. */
+#endif /* !defined(SYMTAB_H) */
projects / deliverable / binutils-gdb.git / blobdiff