#if !defined (SYMTAB_H)
#define SYMTAB_H 1
-#include "obstack.h"
-
-/* See the comment in symfile.c about how current_objfile is used. */
-
-extern struct objfile *current_objfile;
/* Some definitions and declarations to go with use of obstacks. */
+
+#include "obstack.h"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free 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_TYPE unsigned char
-#define B_BYTES(x) ( 1 + ((x)>>3) )
-#define B_CLRALL(a,x) bzero (a, B_BYTES(x))
+/* Define a structure for the information that is common to all symbol types,
+ including minimal symbols, partial symbols, and full symbols. */
+
+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. */
+
+ char *name;
+
+ /* Constant value, or address if static, or register number,
+ or offset in arguments, or offset in stack frame. All of
+ these are in host byte order (though what they point to might
+ be in target byte order, e.g. LOC_CONST_BYTES).
+
+ Note that the address of a function is SYMBOL_VALUE_ADDRESS (pst)
+ in a partial symbol table, but BLOCK_START (SYMBOL_BLOCK_VALUE (st))
+ in a symbol table. */
+
+ union
+ {
+ /* for LOC_CONST, LOC_REGISTER, LOC_ARG, LOC_REF_ARG, LOC_REGPARM,
+ LOC_LOCAL */
+
+ long value;
+
+ /* for LOC_BLOCK */
+
+ struct block *block;
+
+ /* for LOC_CONST_BYTES */
+
+ char *bytes;
+
+ /* for LOC_STATIC, LOC_LABEL */
+
+ CORE_ADDR address;
+ /* for opaque typedef struct chain */
+ struct symbol *chain;
+ }
+ value;
+
+ /* In a multilanguage environment, some language specific information may
+ need to be recorded along with each symbol. */
+
+ struct language_dependent_info
+ {
+
+ /* Record the language that this information applies to. */
+
+ enum language language;
+
+ /* Since one and only one language can apply, wrap the information inside
+ a union. */
+
+ union
+ {
+ /* For C++ */
+ struct
+ {
+ char *demangled_name;
+ } cplus_specific;
+ } lang_u;
+ } lang_specific;
+};
+
+#define SYMBOL_NAME(symbol) (symbol)->ginfo.name
+#define SYMBOL_VALUE(symbol) (symbol)->ginfo.value.value
+#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.lang_specific.language
+#define SYMBOL_DEMANGLED_NAME(symbol) \
+ (symbol)->ginfo.lang_specific.lang_u.cplus_specific.demangled_name
+
+extern int demangle; /* We reference it, so go ahead and declare it. */
+
+/* Macro that 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. */
+
+#define SYMBOL_SOURCE_NAME(symbol) \
+ ((demangle && (SYMBOL_LANGUAGE(symbol) == language_cplus) && \
+ (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. */
+
+#define SYMBOL_LINKAGE_NAME(symbol) \
+ ((demangle && asm_demangle && (SYMBOL_LANGUAGE(symbol) == language_cplus) &&\
+ (SYMBOL_DEMANGLED_NAME(symbol) != NULL)) ? \
+ SYMBOL_DEMANGLED_NAME (symbol) : SYMBOL_NAME (symbol))
+
+/* 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
+ match a C++ encoded name, so that "foo::bar(int,long)" is the same as
+ "foo :: bar (int, long)".
+ Evaluates to zero if the match fails, or nonzero if it succeeds. */
+
+#define SYMBOL_MATCHES_NAME(symbol, name) \
+ (STREQ (SYMBOL_NAME (symbol), (name)) || \
+ (SYMBOL_LANGUAGE (symbol) == language_cplus && \
+ SYMBOL_DEMANGLED_NAME (symbol) != NULL && \
+ strcmp_iw (SYMBOL_DEMANGLED_NAME (symbol), (name)) == 0))
+
+/* Macro that tests a symbol for an re-match against the last compiled regular
+ expression. First test the unencoded name, then look for and test a C++
+ encoded name if it exists.
+ Evaluates to zero if the match fails, or nonzero if it succeeds. */
+
+#define SYMBOL_MATCHES_REGEXP(symbol) \
+ (re_exec (SYMBOL_NAME (symbol)) != 0 || \
+ (SYMBOL_LANGUAGE (symbol) == language_cplus && \
+ SYMBOL_DEMANGLED_NAME (symbol) != NULL && \
+ re_exec (SYMBOL_DEMANGLED_NAME (symbol)) != 0))
+
/* Define 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. */
+ all defined global symbols (text, data, bss, abs, etc). The only required
+ information is the general_symbol_info.
+
+ 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
{
- /* Name of the symbol. This is a required field. Storage for the name is
- allocated on the symbol_obstack for the associated objfile. */
-
- char *name;
-
- /* Address of the symbol. This is a required field. */
+ /* The general symbol info required for all types of symbols. */
- CORE_ADDR address;
+ 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
};
+#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.
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 GLOBAL_BLOCK 0
+#define STATIC_BLOCK 1
#define FIRST_LOCAL_BLOCK 2
struct block
{
+
/* Addresses in the executable code that are in this block.
Note: in an unrelocated symbol segment in a file,
these are always zero. They can be filled in from the
N_LBRAC and N_RBRAC symbols in the loader symbol table. */
- CORE_ADDR startaddr, endaddr;
+
+ CORE_ADDR startaddr;
+ CORE_ADDR endaddr;
+
/* The symbol that names this block,
if the block is the body of a function;
otherwise, zero.
(since the name resides in a higher block).
Since the symbol does point to the block (as its value),
it is possible to find the block and set its name properly. */
+
struct symbol *function;
- /* The `struct block' for the containing block, or 0 if none. */
- /* Note that in an unrelocated symbol segment in an object file
+
+ /* The `struct block' for the containing block, or 0 if none.
+ 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
while processing a file compiled with gcc and 0 when not). */
+
unsigned char gcc_compile_flag;
+
/* Number of local symbols. */
+
int nsyms;
+
/* The symbols. */
+
struct symbol *sym[1];
};
-\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.
+#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
- VAR_NAMESPACE is the usual namespace.
- In C, this contains variables, function names, typedef names
- and enum type values.
+/* Nonzero if symbols of block BL should be sorted alphabetically. */
- STRUCT_NAMESPACE 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.
+#define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40)
- LABEL_NAMESPACE may be used for names of labels (for gotos);
- currently it is not used and labels are not recorded at all. */
+\f
+/* Represent one symbol name; a variable, constant, function or typedef. */
/* For a non-global symbol allocated statically,
the correct core address cannot be determined by the compiler.
This index number can be matched with the "desc" field of
an entry in the loader symbol table. */
+/* Different name spaces for symbols. Looking up a symbol specifies a
+ namespace and ignores symbol definitions in other name spaces. */
+
enum namespace
{
- UNDEF_NAMESPACE, VAR_NAMESPACE, STRUCT_NAMESPACE, LABEL_NAMESPACE
+ /* UNDEF_NAMESPACE is used when a namespace 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,
+
+ /* VAR_NAMESPACE is the usual namespace. In C, this contains variables,
+ function names, typedef names and enum type values. */
+
+ VAR_NAMESPACE,
+
+ /* STRUCT_NAMESPACE 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. */
+
+ STRUCT_NAMESPACE,
+
+ /* 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
};
/* An address-class says where to find the value of a symbol. */
enum address_class
{
- LOC_UNDEF, /* Not used; catches errors */
- LOC_CONST, /* Value is constant int SYMBOL_VALUE, host byteorder */
- LOC_STATIC, /* Value is at fixed address SYMBOL_VALUE_ADDRESS */
- LOC_REGISTER, /* Value is in register */
- LOC_ARG, /* Value is at spec'd offset in arglist */
- LOC_REF_ARG, /* Value address is at spec'd offset in arglist. */
- LOC_REGPARM, /* Value is at spec'd offset in register window */
- LOC_LOCAL, /* Value is at spec'd offset in stack frame */
- LOC_TYPEDEF, /* Value not used; definition in SYMBOL_TYPE
- Symbols in the namespace STRUCT_NAMESPACE
- all have this class. */
- 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_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.
- 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
- arglist (FRAME_ARGS_ADDRESS). Added for i960,
- which passes args in regs then copies to frame. */
+ /* Not used; catches errors */
+
+ LOC_UNDEF,
+
+ /* Value is constant int SYMBOL_VALUE, host byteorder */
+
+ LOC_CONST,
+
+ /* Value is at fixed address SYMBOL_VALUE_ADDRESS */
+
+ LOC_STATIC,
+
+ /* Value is in register */
+
+ LOC_REGISTER,
+
+ /* Value is at spec'd offset in arglist */
+
+ LOC_ARG,
+
+ /* Value address is at spec'd offset in arglist. */
+
+ LOC_REF_ARG,
+
+ /* Value is at spec'd offset in register window */
+
+ LOC_REGPARM,
+
+ /* Value is at spec'd offset in stack frame */
+
+ LOC_LOCAL,
+
+ /* Value not used; definition in SYMBOL_TYPE. Symbols in the namespace
+ STRUCT_NAMESPACE all have this class. */
+
+ LOC_TYPEDEF,
+
+ /* Value is address SYMBOL_VALUE_ADDRESS in the code */
+
+ LOC_LABEL,
+
+ /* Value is address SYMBOL_VALUE_BLOCK of a `struct block'. Function names
+ have this class. */
+
+ LOC_BLOCK,
+
+ /* Value is a constant byte-sequence pointed to by SYMBOL_VALUE_ADDRESS, in
+ target byte order. */
+
+ LOC_CONST_BYTES,
+
+ /* 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 arglist
+ (FRAME_ARGS_ADDRESS). Added for i960, which passes args in regs then
+ copies to frame. */
+
+ LOC_LOCAL_ARG
+
};
struct symbol
{
- /* Symbol name */
- char *name;
+
+ /* The general symbol info required for all types of symbols. */
+
+ struct general_symbol_info ginfo;
+
/* Name space code. */
+
enum namespace namespace;
+
/* Address class */
+
enum address_class class;
+
/* Data type of value */
+
struct type *type;
- /* Line number of definition. */
+ /* 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;
- /* constant value, or address if static, or register number,
- or offset in arguments, or offset in stack frame. All of
- these are in host byte order (though what they point to might
- be in target byte order, e.g. LOC_CONST_BYTES). */
+ /* Some symbols require an additional value to be recorded on a per-
+ symbol basis. Stash those values here. */
+
union
{
- long value; /* for LOC_CONST, LOC_REGISTER, LOC_ARG,
- 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 */
- struct symbol *chain; /* for opaque typedef struct chain */
+ /* 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;
}
- value;
+ aux_value;
+
};
+#define SYMBOL_NAMESPACE(symbol) (symbol)->namespace
+#define SYMBOL_CLASS(symbol) (symbol)->class
+#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
+\f
/* A partial_symbol records the name, namespace, 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.
struct partial_symbol
{
- /* Symbol name */
- char *name;
+
+ /* The general symbol info required for all types of symbols. */
+
+ struct general_symbol_info ginfo;
+
/* Name space code. */
+
enum namespace namespace;
+
/* Address class (for info_symbols) */
+
enum address_class class;
- /* Value (only used for static functions currently). Done this
- way so that we can use the struct symbol macros.
- Note that the address of a function is SYMBOL_VALUE_ADDRESS (pst)
- in a partial symbol table, but BLOCK_START (SYMBOL_BLOCK_VALUE (st))
- in a symbol table. */
- union
- {
- long value;
- CORE_ADDR address;
- }
- value;
+
};
+
+#define PSYMBOL_NAMESPACE(psymbol) (psymbol)->namespace
+#define PSYMBOL_CLASS(psymbol) (psymbol)->class
+
\f
-/* Source-file information.
- This describes the relation between source files and line numbers
- and addresses in the program text. */
+/* Source-file information. This describes the relation between source files,
+ ine numbers and addresses in the program text. */
struct sourcevector
{
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
{
+
/* Chain of all existing symtabs. */
+
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.
Can be NULL if none. */
+
struct linetable *linetable;
+
/* Name of this source file. */
+
char *filename;
+
/* Directory in which it was compiled, or NULL if we don't know. */
+
char *dirname;
+
/* 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. */
- enum free_code {free_nothing, free_contents, free_linetable}
- free_code;
+ free_linetable => free just the linetable. */
+
+ enum free_code
+ {
+ free_nothing, free_contents, free_linetable
+ }
+ free_code;
+
/* 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;
+
/* Total number of lines found in source file. */
+
int nlines;
+
/* Array mapping line number to character position. */
+
int *line_charpos;
+
/* Language of this source file. */
+
enum language language;
+
/* String of version information. May be zero. */
+
char *version;
+
/* Full name of file as found by searching the source path.
- 0 if not yet known. */
+ NULL 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
+
};
+#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
struct partial_symtab
{
+
/* Chain of all existing partial symtabs. */
+
struct partial_symtab *next;
+
/* Name of the source file which this partial_symtab defines */
+
char *filename;
/* Information about the object file from which symbols should be read. */
+
struct objfile *objfile;
- /* 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;
+ /* 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;
+
+ CORE_ADDR textlow;
+ CORE_ADDR texthigh;
+
/* Array of pointers to all of the partial_symtab's which this one
depends on. Since this array can only be set to previous or
the current (?) psymtab, this dependency tree is guaranteed not
to have any loops. */
+
struct partial_symtab **dependencies;
+
int number_of_dependencies;
+
/* 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 global_psymbols[]. */
- int globals_offset, n_global_syms;
+
+ int globals_offset;
+ int 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
to take a *lot* of time; check) or an error (and we don't care
how long errors take). This is an offset and size within
static_psymbols[]. */
- int statics_offset, n_static_syms;
+
+ int statics_offset;
+ int 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) 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 */
+
+ /* Non-zero if the symtab corresponding to this psymtab has been readin */
+
unsigned char readin;
};
/* A fast way to get from a psymtab to its symtab (after the first time). */
-#define PSYMTAB_TO_SYMTAB(pst) ((pst)->symtab? \
- (pst)->symtab: \
- psymtab_to_symtab (pst) )
-
-/* This symtab variable specifies the current file for printing source lines */
+#define PSYMTAB_TO_SYMTAB(pst) \
+ ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst))
-struct symtab *current_source_symtab;
-
-/* This is the next line to print for listing source lines. */
-
-int current_source_line;
-
-#define BLOCKVECTOR(symtab) (symtab)->blockvector
-
-#define LINETABLE(symtab) (symtab)->linetable
\f
-/* Macros normally used to access components of symbol table structures. */
-
-#define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks
-#define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n]
-
-#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. */
-#define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40)
-
-#define SYMBOL_NAME(symbol) (symbol)->name
-#define SYMBOL_NAMESPACE(symbol) (symbol)->namespace
-#define SYMBOL_CLASS(symbol) (symbol)->class
-#define SYMBOL_VALUE(symbol) (symbol)->value.value
-#define SYMBOL_VALUE_ADDRESS(symbol) (symbol)->value.address
-#define SYMBOL_VALUE_BYTES(symbol) (symbol)->value.bytes
-#define SYMBOL_BLOCK_VALUE(symbol) (symbol)->value.block
-#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->value.chain
-#define SYMBOL_TYPE(symbol) (symbol)->type
-#define SYMBOL_LINE(symbol) (symbol)->line
-
-/* The virtual function table is now an array of structures
- which have the form { int16 offset, delta; void *pfn; }.
+/* The virtual function table is now an array of structures which have the
+ form { int16 offset, delta; void *pfn; }.
In normal virtual function tables, OFFSET is unused.
DELTA is the amount which is added to the apparent object's base
#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!
-
+/* 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. */
-#define OPNAME_PREFIX_P(NAME) ((NAME)[0] == 'o' && (NAME)[1] == 'p' \
- && (NAME)[2] == CPLUS_MARKER)
-#define VTBL_PREFIX_P(NAME) ((NAME)[3] == CPLUS_MARKER \
- && !strncmp ((NAME), "_vt", 3))
+#define OPNAME_PREFIX_P(NAME) \
+ ((NAME)[0] == 'o' && (NAME)[1] == 'p' && (NAME)[2] == CPLUS_MARKER)
+
+#define VTBL_PREFIX_P(NAME) \
+ ((NAME)[3] == CPLUS_MARKER && !strncmp ((NAME), "_vt", 3))
+
\f
-/* Functions that work on the objects described above */
+/* 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;
extern struct symtab *
lookup_symtab PARAMS ((char *));
extern void
reread_symbols PARAMS ((void));
-extern int
-have_partial_symbols PARAMS ((void));
-
-extern int
-have_full_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 int
-have_minimal_symbols PARAMS ((void));
-
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 PTR
-iterate_over_msymbols PARAMS ((PTR (*func) (struct objfile *,
- struct minimal_symbol *,
- PTR, PTR, PTR),
- PTR, PTR, PTR));
-
extern void
init_minimal_symbol_collection PARAMS ((void));
int nelts;
};
-/* 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. */
+/* 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 void
resolve_sal_pc PARAMS ((struct symtab_and_line *));
-/* Given a string, return the line specified by it.
- For commands like "list" and "breakpoint". */
+/* 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));
/* Symmisc.c */
+#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 *));
/* symtab.c */
+extern void
+clear_symtab_users_once PARAMS ((void));
+
extern struct partial_symtab *
find_main_psymtab PARAMS ((void));
projects / deliverable / binutils-gdb.git / blobdiff