/* Symbol table definitions for GDB.
- Copyright 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2001
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
#include "obstack.h"
#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
+#define obstack_chunk_free xfree
#include "bcache.h"
/* Don't do this; it means that if some .o's are compiled with GNU C
#if 0 && defined(__GNUC__) && !defined(BYTE_BITFIELD)
#define BYTE_BITFIELD :8;
#else
-#define BYTE_BITFIELD /*nothing*/
+#define BYTE_BITFIELD /*nothing */
#endif
/* Define a structure for the information that is common to all symbol types,
have tens or hundreds of thousands of these. */
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;
-
- /* Value of the symbol. Which member of this union to use, and what
- it means, depends on what kind of symbol this is and its
- SYMBOL_CLASS. See comments there for more details. All of these
- are in host byte order (though what they point to might be in
- target byte order, e.g. LOC_CONST_BYTES). */
-
- union
- {
- /* The fact that this is a long not a LONGEST mainly limits the
- range of a LOC_CONST. Since LOC_CONST_BYTES exists, I'm not
- sure that is a big deal. */
- long ivalue;
+ {
+ /* 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. */
- struct block *block;
+ char *name;
- char *bytes;
+ /* Value of the symbol. Which member of this union to use, and what
+ it means, depends on what kind of symbol this is and its
+ SYMBOL_CLASS. See comments there for more details. All of these
+ are in host byte order (though what they point to might be in
+ target byte order, e.g. LOC_CONST_BYTES). */
- CORE_ADDR address;
+ union
+ {
+ /* The fact that this is a long not a LONGEST mainly limits the
+ range of a LOC_CONST. Since LOC_CONST_BYTES exists, I'm not
+ sure that is a big deal. */
+ long ivalue;
- /* for opaque typedef struct chain */
+ struct block *block;
- struct symbol *chain;
- }
- value;
+ char *bytes;
- /* Since one and only one language can apply, wrap the language specific
- information inside a union. */
+ CORE_ADDR address;
- union
- {
- struct cplus_specific /* For C++ */
- {
- char *demangled_name;
- } cplus_specific;
- struct chill_specific /* For Chill */
- {
- char *demangled_name;
- } chill_specific;
- } language_specific;
+ /* for opaque typedef struct chain */
- /* 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. */
+ struct symbol *chain;
+ }
+ value;
- enum language language BYTE_BITFIELD;
+ /* Since one and only one language can apply, wrap the language specific
+ information inside a union. */
- /* 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 (the ELF code
- also tries to set it correctly). */
+ union
+ {
+ struct cplus_specific /* For C++ */
+ /* and Java */
+ {
+ char *demangled_name;
+ }
+ cplus_specific;
+ struct chill_specific /* For Chill */
+ {
+ char *demangled_name;
+ }
+ chill_specific;
+ }
+ language_specific;
+
+ /* Record the source code language that applies to this symbol.
+ This is used to select one of the fields from the language specific
+ 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 (the ELF code
+ also tries to set it correctly). */
+
+ short section;
+
+ /* The bfd section associated with this symbol. */
+
+ asection *bfd_section;
+ };
- short section;
-};
+extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *);
#define SYMBOL_NAME(symbol) (symbol)->ginfo.name
#define SYMBOL_VALUE(symbol) (symbol)->ginfo.value.ivalue
#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
#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; \
} \
#define SYMBOL_INIT_DEMANGLED_NAME(symbol,obstack) \
do { \
char *demangled = NULL; \
+ if (SYMBOL_LANGUAGE (symbol) == language_unknown) \
+ SYMBOL_LANGUAGE (symbol) = language_auto; \
if (SYMBOL_LANGUAGE (symbol) == language_cplus \
|| SYMBOL_LANGUAGE (symbol) == language_auto) \
{ \
SYMBOL_LANGUAGE (symbol) = language_cplus; \
SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = \
obsavestring (demangled, strlen (demangled), (obstack)); \
- free (demangled); \
+ xfree (demangled); \
+ } \
+ else \
+ { \
+ SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \
+ } \
+ } \
+ if (SYMBOL_LANGUAGE (symbol) == language_java) \
+ { \
+ demangled = \
+ cplus_demangle (SYMBOL_NAME (symbol), \
+ DMGL_PARAMS | DMGL_ANSI | DMGL_JAVA); \
+ if (demangled != NULL) \
+ { \
+ SYMBOL_LANGUAGE (symbol) = language_java; \
+ SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = \
+ obsavestring (demangled, strlen (demangled), (obstack)); \
+ xfree (demangled); \
} \
else \
{ \
SYMBOL_LANGUAGE (symbol) = language_chill; \
SYMBOL_CHILL_DEMANGLED_NAME (symbol) = \
obsavestring (demangled, strlen (demangled), (obstack)); \
- free (demangled); \
+ xfree (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
#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) \
(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.
used to figure out what full symbol table entries need to be read in. */
struct minimal_symbol
-{
+ {
+
+ /* The general symbol info required for all types of symbols.
- /* The general symbol info required for all types of symbols.
+ The SYMBOL_VALUE_ADDRESS contains the address that this symbol
+ corresponds to. */
- The SYMBOL_VALUE_ADDRESS contains the address that this symbol
- corresponds to. */
+ struct general_symbol_info ginfo;
- struct general_symbol_info ginfo;
+ /* 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.
- /* 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. */
+ 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;
+ char *info;
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
- /* Which source file is this symbol in? Only relevant for mst_file_*. */
- char *filename;
+ /* 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
- 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) */
- /* 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;
-
-};
+ /* 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) */
+ /* 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.
the blocks appear in the order of a depth-first tree walk. */
struct blockvector
-{
- /* Number of blocks in the list. */
- int nblocks;
- /* The blocks themselves. */
- struct block *block[1];
-};
+ {
+ /* Number of blocks in the list. */
+ int nblocks;
+ /* The blocks themselves. */
+ struct block *block[1];
+ };
#define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks
#define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n]
#define FIRST_LOCAL_BLOCK 2
struct block
-{
+ {
- /* Addresses in the executable code that are in this block. */
+ /* Addresses in the executable code that are in this block. */
- CORE_ADDR startaddr;
- CORE_ADDR endaddr;
+ CORE_ADDR startaddr;
+ CORE_ADDR endaddr;
- /* The symbol that names this block, if the block is the body of a
- function; otherwise, zero. */
+ /* The symbol that names this block, if the block is the body of a
+ function; otherwise, zero. */
- struct symbol *function;
+ struct symbol *function;
- /* The `struct block' for the containing block, or 0 if none.
+ /* The `struct block' for the containing block, or 0 if none.
- The superblock of a top-level local block (i.e. a function in the
- case of C) is the STATIC_BLOCK. The superblock of the
- STATIC_BLOCK is the GLOBAL_BLOCK. */
+ The superblock of a top-level local block (i.e. a function in the
+ case of C) is the STATIC_BLOCK. The superblock of the
+ STATIC_BLOCK is the GLOBAL_BLOCK. */
- struct block *superblock;
+ struct block *superblock;
- /* Version of GCC used to compile the function corresponding
- to this block, or 0 if not compiled with GCC. When possible,
- GCC should be compatible with the native compiler, or if that
- is not feasible, the differences should be fixed during symbol
- reading. As of 16 Apr 93, this flag is never used to distinguish
- between gcc2 and the native compiler.
+ /* Version of GCC used to compile the function corresponding
+ to this block, or 0 if not compiled with GCC. When possible,
+ GCC should be compatible with the native compiler, or if that
+ is not feasible, the differences should be fixed during symbol
+ reading. As of 16 Apr 93, this flag is never used to distinguish
+ between gcc2 and the native compiler.
- If there is no function corresponding to this block, this meaning
- of this flag is undefined. */
+ If there is no function corresponding to this block, this meaning
+ of this flag is undefined. */
- unsigned char gcc_compile_flag;
+ unsigned char gcc_compile_flag;
- /* Number of local symbols. */
+ /* Number of local symbols. */
- int nsyms;
+ int nsyms;
- /* The symbols. If some of them are arguments, then they must be
- in the order in which we would like to print them. */
+ /* The symbols. If some of them are arguments, then they must be
+ in the order in which we would like to print them. */
- struct symbol *sym[1];
-};
+ struct symbol *sym[1];
+ };
#define BLOCK_START(bl) (bl)->startaddr
#define BLOCK_END(bl) (bl)->endaddr
arguments. */
#define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40 && BLOCK_FUNCTION (bl) == NULL)
-
\f
+
/* Represent one symbol name; a variable, constant, function or typedef. */
/* Different name spaces for symbols. Looking up a symbol specifies a
namespace and ignores symbol definitions in other name spaces. */
-
-typedef enum
-{
- /* 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,
+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
+ 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,
- /* VAR_NAMESPACE is the usual namespace. In C, this contains variables,
- function names, typedef names and enum type values. */
+ /* 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. */
- VAR_NAMESPACE,
+ STRUCT_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. */
+ /* LABEL_NAMESPACE may be used for names of labels (for gotos);
+ currently it is not used and labels are not recorded at all. */
- STRUCT_NAMESPACE,
+ LABEL_NAMESPACE,
- /* LABEL_NAMESPACE may be used for names of labels (for gotos);
- currently it is not used and labels are not recorded at all. */
+ /* Searching namespaces. These overlap with VAR_NAMESPACE, providing
+ some granularity with the search_symbols function. */
- LABEL_NAMESPACE
-} namespace_enum;
+ /* 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. */
enum address_class
-{
- /* Not used; catches errors */
+ {
+ /* Not used; catches errors */
- LOC_UNDEF,
+ LOC_UNDEF,
- /* Value is constant int SYMBOL_VALUE, host byteorder */
+ /* Value is constant int SYMBOL_VALUE, host byteorder */
- LOC_CONST,
+ LOC_CONST,
- /* Value is at fixed address SYMBOL_VALUE_ADDRESS */
+ /* Value is at fixed address SYMBOL_VALUE_ADDRESS */
- LOC_STATIC,
+ LOC_STATIC,
- /* Value is in register. SYMBOL_VALUE is the register number. */
+ /* Value is in register. SYMBOL_VALUE is the register number. */
- LOC_REGISTER,
+ LOC_REGISTER,
- /* It's an argument; the value is at SYMBOL_VALUE offset in arglist. */
+ /* It's an argument; the value is at SYMBOL_VALUE offset in arglist. */
- LOC_ARG,
+ LOC_ARG,
- /* Value address is at SYMBOL_VALUE offset in arglist. */
+ /* Value address is at SYMBOL_VALUE offset in arglist. */
- LOC_REF_ARG,
+ LOC_REF_ARG,
- /* Value is in register number SYMBOL_VALUE. Just like LOC_REGISTER
- except this is an argument. Probably the cleaner way to handle
- this would be to separate address_class (which would include
- separate ARG and LOCAL to deal with FRAME_ARGS_ADDRESS versus
- FRAME_LOCALS_ADDRESS), and an is_argument flag.
+ /* Value is in register number SYMBOL_VALUE. Just like LOC_REGISTER
+ except this is an argument. Probably the cleaner way to handle
+ this would be to separate address_class (which would include
+ separate ARG and LOCAL to deal with FRAME_ARGS_ADDRESS versus
+ FRAME_LOCALS_ADDRESS), and an is_argument flag.
- For some symbol formats (stabs, for some compilers at least),
- the compiler generates two symbols, an argument and a register.
- In some cases we combine them to a single LOC_REGPARM in symbol
- reading, but currently not for all cases (e.g. it's passed on the
- stack and then loaded into a register). */
+ For some symbol formats (stabs, for some compilers at least),
+ the compiler generates two symbols, an argument and a register.
+ In some cases we combine them to a single LOC_REGPARM in symbol
+ reading, but currently not for all cases (e.g. it's passed on the
+ stack and then loaded into a register). */
- LOC_REGPARM,
+ LOC_REGPARM,
- /* Value is in specified register. Just like LOC_REGPARM except the
- register holds the address of the argument instead of the argument
- itself. This is currently used for the passing of structs and unions
- on sparc and hppa. It is also used for call by reference where the
- address is in a register, at least by mipsread.c. */
+ /* Value is in specified register. Just like LOC_REGPARM except the
+ register holds the address of the argument instead of the argument
+ itself. This is currently used for the passing of structs and unions
+ on sparc and hppa. It is also used for call by reference where the
+ address is in a register, at least by mipsread.c. */
- LOC_REGPARM_ADDR,
+ LOC_REGPARM_ADDR,
- /* Value is a local variable at SYMBOL_VALUE offset in stack frame. */
+ /* Value is a local variable at SYMBOL_VALUE offset in stack frame. */
- LOC_LOCAL,
+ LOC_LOCAL,
- /* Value not used; definition in SYMBOL_TYPE. Symbols in the namespace
- STRUCT_NAMESPACE all have this class. */
+ /* Value not used; definition in SYMBOL_TYPE. Symbols in the namespace
+ STRUCT_NAMESPACE all have this class. */
- LOC_TYPEDEF,
+ LOC_TYPEDEF,
- /* Value is address SYMBOL_VALUE_ADDRESS in the code */
+ /* Value is address SYMBOL_VALUE_ADDRESS in the code */
- LOC_LABEL,
+ LOC_LABEL,
- /* In a symbol table, value is SYMBOL_BLOCK_VALUE of a `struct block'.
- In a partial symbol table, SYMBOL_VALUE_ADDRESS is the start address
- of the block. Function names have this class. */
+ /* In a symbol table, value is SYMBOL_BLOCK_VALUE of a `struct block'.
+ In a partial symbol table, SYMBOL_VALUE_ADDRESS is the start address
+ of the block. Function names have this class. */
- LOC_BLOCK,
+ LOC_BLOCK,
- /* Value is a constant byte-sequence pointed to by SYMBOL_VALUE_BYTES, in
- target byte order. */
+ /* Value is a constant byte-sequence pointed to by SYMBOL_VALUE_BYTES, in
+ target byte order. */
- LOC_CONST_BYTES,
+ LOC_CONST_BYTES,
- /* Value is arg at SYMBOL_VALUE offset in stack frame. Differs from
- LOC_LOCAL in that symbol is an argument; differs from LOC_ARG in
- that we find it in the frame (FRAME_LOCALS_ADDRESS), not in the
- arglist (FRAME_ARGS_ADDRESS). Added for i960, which passes args
- in regs then copies to frame. */
+ /* Value is arg at SYMBOL_VALUE offset in stack frame. Differs from
+ LOC_LOCAL in that symbol is an argument; differs from LOC_ARG in
+ that we find it in the frame (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,
+ 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.
+ /* 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. */
+ 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,
+ LOC_BASEREG,
- /* Same as LOC_BASEREG but it is an argument. */
+ /* Same as LOC_BASEREG but it is an argument. */
- LOC_BASEREG_ARG,
+ 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. */
+ /* 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,
+ LOC_UNRESOLVED,
- /* The variable does not actually exist in the program.
- The value is ignored. */
+ /* Value is at a thread-specific location calculated by a
+ target-specific method. */
- LOC_OPTIMIZED_OUT
-};
+ LOC_THREAD_LOCAL_STATIC,
+
+ /* The variable does not actually exist in the program.
+ The value is ignored. */
+
+ LOC_OPTIMIZED_OUT,
+
+ /* The variable is static, but actually lives at * (address).
+ * I.e. do an extra indirection to get to it.
+ * This is used on HP-UX to get at globals that are allocated
+ * in shared libraries, where references from images other
+ * than the one where the global was allocated are done
+ * with a level of indirection.
+ */
+
+ LOC_INDIRECT
+
+ };
+
+/* 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
-{
+ {
+
+ /* The general symbol info required for all types of symbols. */
- /* The general symbol info required for all types of symbols. */
+ struct general_symbol_info ginfo;
- struct general_symbol_info ginfo;
+ /* Data type of value */
- /* Data type of value */
+ struct type *type;
- struct type *type;
+ /* Name space code. */
- /* Name space code. */
+#ifdef __MFC4__
+ /* FIXME: don't conflict with C++'s namespace */
+ /* would be safer to do a global change for all namespace identifiers. */
+#define namespace _namespace
+#endif
+ namespace_enum namespace BYTE_BITFIELD;
+
+ /* Address class */
- namespace_enum namespace BYTE_BITFIELD;
+ enum address_class aclass BYTE_BITFIELD;
- /* Address class */
+ /* 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? */
- enum address_class aclass BYTE_BITFIELD;
+ unsigned short line;
- /* 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? */
+ /* Some symbols require an additional value to be recorded on a per-
+ symbol basis. Stash those values here. */
- unsigned short line;
-
- /* Some symbols require an additional value to be recorded on a per-
- symbol basis. Stash those values here. */
+ union
+ {
+ /* Used by LOC_BASEREG and LOC_BASEREG_ARG. */
+ short basereg;
+ }
+ 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;
+ };
- union
- {
- /* Used by LOC_BASEREG and LOC_BASEREG_ARG. */
- short basereg;
- }
- aux_value;
-};
#define SYMBOL_NAMESPACE(symbol) (symbol)->namespace
#define SYMBOL_CLASS(symbol) (symbol)->aclass
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
#define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg
+#define SYMBOL_ALIASES(symbol) (symbol)->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
normal symtab once the partial_symtab has been referenced. */
struct partial_symbol
-{
+ {
- /* The general symbol info required for all types of symbols. */
+ /* The general symbol info required for all types of symbols. */
- struct general_symbol_info ginfo;
+ struct general_symbol_info ginfo;
- /* Name space code. */
+ /* Name space code. */
- namespace_enum namespace BYTE_BITFIELD;
+ namespace_enum namespace BYTE_BITFIELD;
- /* Address class (for info_symbols) */
+ /* Address class (for info_symbols) */
- enum address_class aclass BYTE_BITFIELD;
+ enum address_class aclass BYTE_BITFIELD;
-};
+ };
#define PSYMBOL_NAMESPACE(psymbol) (psymbol)->namespace
#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. */
+ line numbers and addresses in the program text. */
struct sourcevector
-{
- int length; /* Number of source files described */
- struct source *source[1]; /* Descriptions of the files */
-};
+ {
+ 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
waste much space. */
struct linetable_entry
-{
- int line;
- CORE_ADDR pc;
-};
+ {
+ int line;
+ CORE_ADDR pc;
+ };
/* 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
Example: a C for statement generally looks like this
- 10 0x100 - for the init/test part of a for stmt.
- 20 0x200
- 30 0x300
- 10 0x400 - for the increment part of a for stmt.
+ 10 0x100 - for the init/test part of a for stmt.
+ 20 0x200
+ 30 0x300
+ 10 0x400 - for the increment part of a for stmt.
- */
+ */
struct linetable
-{
- int nitems;
+ {
+ int nitems;
- /* 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];
-};
+ /* 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];
+ };
/* All the information on one source file. */
struct source
-{
- char *name; /* Name of file */
- struct linetable contents;
-};
+ {
+ char *name; /* Name of file */
+ struct linetable contents;
+ };
/* How to relocate the symbols from each section in a symbol file.
Each struct contains an array of offsets.
struct section_offsets
{
- CORE_ADDR offsets[1]; /* As many as needed. */
+ CORE_ADDR offsets[1]; /* As many as needed. */
};
-#define ANOFFSET(secoff, whichone) (secoff->offsets[whichone])
+#define ANOFFSET(secoff, whichone) \
+ ((whichone == -1) \
+ ? (internal_error (__FILE__, __LINE__, "Section index is uninitialized"), -1) \
+ : secoff->offsets[whichone])
+
+/* The maximum possible size of a section_offsets table. */
+
+#define SIZEOF_SECTION_OFFSETS \
+ (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. */
int block_line_section;
/* If several symtabs share a blockvector, exactly one of them
- should be designed the primary, so that the blockvector
+ should be designated the primary, so that the blockvector
is relocated exactly once by objfile_relocate. */
int primary;
/* 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? */
+ the data this one uses.
+ free_linetable => free just the linetable. FIXME: Is this redundant
+ with the primary field? */
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. */
enum language language;
+ /* 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 *debugformat;
+
/* String of version information. May be zero. */
char *version;
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
style execution of a bunch of .o's. */
struct partial_symtab
-{
+ {
- /* Chain of all existing partial symtabs. */
+ /* Chain of all existing partial symtabs. */
- struct partial_symtab *next;
+ struct partial_symtab *next;
- /* Name of the source file which this partial_symtab defines */
+ /* Name of the source file which this partial_symtab defines */
- char *filename;
+ char *filename;
- /* Information about the object file from which symbols should be read. */
+ /* Information about the object file from which symbols should be read. */
- struct objfile *objfile;
+ 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;
+ struct section_offsets *section_offsets;
- /* Range of text addresses covered by this file; texthigh is the
- beginning of the next section. */
+ /* Range of text addresses covered by this file; texthigh is the
+ beginning of the next section. */
- CORE_ADDR textlow;
- CORE_ADDR 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. "depends on" means that symbols must be read
- for the dependencies before being read for this psymtab; this is
- for type references in stabs, where if foo.c includes foo.h, declarations
- in foo.h may use type numbers defined in foo.c. For other debugging
- formats there may be no need to use dependencies. */
+ /* 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. "depends on" means that symbols must be read
+ for the dependencies before being read for this psymtab; this is
+ for type references in stabs, where if foo.c includes foo.h, declarations
+ in foo.h may use type numbers defined in foo.c. For other debugging
+ formats there may be no need to use dependencies. */
- struct partial_symtab **dependencies;
+ struct partial_symtab **dependencies;
- int number_of_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[]. */
+ /* 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;
- int 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
- 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). This is an offset and size within
- static_psymbols[]. */
+ /* 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). This is an offset and size within
+ static_psymbols[]. */
- int statics_offset;
- int 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. */
+ /* 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;
+ struct symtab *symtab;
- /* Pointer to function which will read in the symtab corresponding to
- this psymtab. */
+ /* 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
- 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) */
+ /* 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;
+ 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;
-};
+ 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 != 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). */
-
+ names. If you leave out the parenthesis here you will lose! */
#define OPNAME_PREFIX_P(NAME) \
- ((NAME)[0] == 'o' && (NAME)[1] == 'p' && is_cplus_marker ((NAME)[2]))
+ (!strncmp (NAME, "operator", 8))
/* Macro that yields non-zero value iff NAME is the prefix for C++ vtbl
names. Note that this macro is g++ specific (FIXME).
style, using thunks (where '$' is really CPLUS_MARKER). */
#define VTBL_PREFIX_P(NAME) \
- ((NAME)[0] == '_' \
+ (((NAME)[0] == '_' \
&& (((NAME)[1] == 'V' && (NAME)[2] == 'T') \
|| ((NAME)[1] == 'v' && (NAME)[2] == 't')) \
- && is_cplus_marker ((NAME)[3]))
+ && is_cplus_marker ((NAME)[3])) || ((NAME)[0]=='_' && (NAME)[1]=='_' \
+ && (NAME)[2]=='v' && (NAME)[3]=='t' && (NAME)[4]=='_'))
/* Macro that yields non-zero value iff NAME is the prefix for C++ destructor
names. Note that this macro is g++ specific (FIXME). */
#define DESTRUCTOR_PREFIX_P(NAME) \
((NAME)[0] == '_' && is_cplus_marker ((NAME)[1]) && (NAME)[2] == '_')
-
\f
+
/* External variables and functions for the objects described above. */
/* This symtab variable specifies the current file for printing source lines */
extern int demangle;
extern int asm_demangle;
-extern struct symtab *
-lookup_symtab PARAMS ((char *));
+/* symtab.c lookup functions */
-extern struct symbol *
-lookup_symbol PARAMS ((const char *, const struct block *,
- const namespace_enum, int *, struct symtab **));
+/* lookup a symbol table by source file name */
-extern struct symbol *
-lookup_block_symbol PARAMS ((const struct block *, const char *,
- const namespace_enum));
+extern struct symtab *lookup_symtab (char *);
-extern struct type *
-lookup_struct PARAMS ((char *, struct block *));
+/* lookup a symbol by name (optional block, optional symtab) */
-extern struct type *
-lookup_union PARAMS ((char *, struct block *));
+extern struct symbol *lookup_symbol (const char *, const struct block *,
+ const namespace_enum, int *,
+ struct symtab **);
-extern struct type *
-lookup_enum PARAMS ((char *, struct block *));
+/* lookup a symbol by name, within a specified block */
-extern struct symbol *
-block_function PARAMS ((struct block *));
+extern struct symbol *lookup_block_symbol (const struct block *, const char *,
+ const namespace_enum);
-extern struct symbol *
-find_pc_function PARAMS ((CORE_ADDR));
+/* lookup a [struct, union, enum] by name, within a specified block */
-extern int find_pc_partial_function
- PARAMS ((CORE_ADDR, char **, CORE_ADDR *, CORE_ADDR *));
+extern struct type *lookup_struct (char *, struct block *);
-extern void
-clear_pc_function_cache PARAMS ((void));
+extern struct type *lookup_union (char *, struct block *);
+
+extern struct type *lookup_enum (char *, struct block *);
+
+/* lookup the function corresponding to the block */
-extern struct partial_symtab *
-lookup_partial_symtab PARAMS ((char *));
+extern struct symbol *block_function (struct block *);
-extern struct partial_symtab *
-find_pc_psymtab PARAMS ((CORE_ADDR));
+/* from blockframe.c: */
-extern struct symtab *
-find_pc_symtab PARAMS ((CORE_ADDR));
+/* lookup the function symbol corresponding to the address */
-extern struct partial_symbol *
-find_pc_psymbol PARAMS ((struct partial_symtab *, CORE_ADDR));
+extern struct symbol *find_pc_function (CORE_ADDR);
+
+/* lookup the function corresponding to the address and section */
+
+extern struct symbol *find_pc_sect_function (CORE_ADDR, asection *);
+
+/* lookup function from address, return name, start addr and end addr */
extern int
-find_pc_line_pc_range PARAMS ((CORE_ADDR, CORE_ADDR *, CORE_ADDR *));
+find_pc_partial_function (CORE_ADDR, char **, CORE_ADDR *, CORE_ADDR *);
+
+extern void clear_pc_function_cache (void);
extern int
-contained_in PARAMS ((struct block *, struct block *));
+find_pc_sect_partial_function (CORE_ADDR, asection *,
+ char **, CORE_ADDR *, CORE_ADDR *);
+
+/* from symtab.c: */
+
+/* lookup partial symbol table by filename */
+
+extern struct partial_symtab *lookup_partial_symtab (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 *);
-extern void
-reread_symbols PARAMS ((void));
/* Macro for name of symbol to indicate a file compiled with gcc. */
#ifndef GCC_COMPILED_FLAG_SYMBOL
/* Functions for dealing with the minimal symbol table, really a misc
address<->symbol mapping for things we don't have debug symbols for. */
-extern void prim_record_minimal_symbol PARAMS ((const char *, CORE_ADDR,
- enum minimal_symbol_type,
- struct objfile *));
+extern void prim_record_minimal_symbol (const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ struct objfile *);
extern struct minimal_symbol *prim_record_minimal_symbol_and_info
- PARAMS ((const char *, CORE_ADDR,
- enum minimal_symbol_type,
- char *info, int section,
- struct objfile *));
+ (const char *, CORE_ADDR,
+ enum minimal_symbol_type,
+ char *info, int section, asection * bfd_section, struct objfile *);
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
-extern CORE_ADDR find_stab_function_addr PARAMS ((char *,
- struct partial_symtab *,
- struct objfile *));
+extern CORE_ADDR find_stab_function_addr (char *, char *, struct objfile *);
#endif
-extern struct minimal_symbol *
-lookup_minimal_symbol PARAMS ((const char *, const char *, struct objfile *));
+extern unsigned int msymbol_hash_iw (const char *);
-extern struct minimal_symbol *
-lookup_minimal_symbol_text PARAMS ((const char *, const char *, struct objfile *));
+extern unsigned int msymbol_hash (const char *);
-extern struct minimal_symbol *
-lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR));
+extern void
+add_minsym_to_hash_table (struct minimal_symbol *sym,
+ struct minimal_symbol **table);
-extern struct minimal_symbol *
-lookup_solib_trampoline_symbol_by_pc PARAMS ((CORE_ADDR));
+extern struct minimal_symbol *lookup_minimal_symbol (const char *,
+ const char *,
+ struct objfile *);
-extern CORE_ADDR
-find_solib_trampoline_target PARAMS ((CORE_ADDR));
+extern struct minimal_symbol *lookup_minimal_symbol_text (const char *,
+ const char *,
+ struct objfile *);
-extern void
-init_minimal_symbol_collection PARAMS ((void));
+struct minimal_symbol *lookup_minimal_symbol_solib_trampoline (const char *,
+ const char *,
+ struct objfile
+ *);
-extern void
-discard_minimal_symbols PARAMS ((int));
+extern struct minimal_symbol *lookup_minimal_symbol_by_pc (CORE_ADDR);
-extern void
-install_minimal_symbols PARAMS ((struct objfile *));
+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 PARAMS ((struct objfile *objfile));
+extern void msymbols_sort (struct objfile *objfile);
struct symtab_and_line
-{
- struct symtab *symtab;
-
- /* 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. */
- int 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. */
+ int line;
+
+ CORE_ADDR pc;
+ CORE_ADDR end;
+ };
- CORE_ADDR pc;
- 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;
-};
+ {
+ 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 PARAMS ((CORE_ADDR, struct symtab **, CORE_ADDR *));
+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_and_line,
- CORE_ADDR *, CORE_ADDR *));
+extern int
+find_line_pc_range (struct symtab_and_line, CORE_ADDR *, CORE_ADDR *);
-extern void
-resolve_sal_pc PARAMS ((struct symtab_and_line *));
+extern void resolve_sal_pc (struct symtab_and_line *);
/* Given a string, return the line specified by it. For commands like "list"
and "breakpoint". */
-extern struct symtabs_and_lines
-decode_line_spec PARAMS ((char *, int));
+extern struct symtabs_and_lines decode_line_spec (char *, int);
+
+extern struct symtabs_and_lines decode_line_spec_1 (char *, int);
-extern struct symtabs_and_lines
-decode_line_spec_1 PARAMS ((char *, int));
+/* From linespec.c */
-extern struct symtabs_and_lines
-decode_line_1 PARAMS ((char **, int, struct symtab *, int, char ***));
+extern struct symtabs_and_lines decode_line_1 (char **,
+ int, struct symtab *, int, char ***);
/* 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);
-void
-maintenance_check_symtabs PARAMS ((char *, int));
+/* maint.c */
-#endif
+void maintenance_print_statistics (char *, int);
-extern void
-free_symtab PARAMS ((struct symtab *));
+extern void free_symtab (struct symtab *);
/* Symbol-reading stuff in symfile.c and solib.c. */
-extern struct symtab *
-psymtab_to_symtab PARAMS ((struct partial_symtab *));
+extern struct symtab *psymtab_to_symtab (struct partial_symtab *);
-extern void
-clear_solib PARAMS ((void));
-
-extern struct objfile *
-symbol_file_add PARAMS ((char *, int, CORE_ADDR, int, int, int));
+extern void clear_solib (void);
/* source.c */
-extern int
-identify_source_line PARAMS ((struct symtab *, int, int, CORE_ADDR));
+extern int identify_source_line (struct symtab *, int, int, CORE_ADDR);
-extern void
-print_source_lines PARAMS ((struct symtab *, int, int, int));
+extern void print_source_lines (struct symtab *, int, int, int);
-extern void
-forget_cached_source_info PARAMS ((void));
+extern void forget_cached_source_info (void);
-extern void
-select_source_symtab PARAMS ((struct symtab *));
+extern void select_source_symtab (struct symtab *);
+
+extern char **make_symbol_completion_list (char *, char *);
-extern char **make_symbol_completion_list PARAMS ((char *, char *));
+extern struct symbol **make_symbol_overload_list (struct symbol *);
/* symtab.c */
-extern struct partial_symtab *
-find_main_psymtab PARAMS ((void));
+extern struct partial_symtab *find_main_psymtab (void);
+
+extern struct symtab *find_line_symtab (struct symtab *, int, int *, int *);
+
+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 void
-clear_symtab_users PARAMS ((void));
+extern void clear_symtab_users (void);
-extern enum language
-deduce_language_from_filename PARAMS ((char *));
+extern enum language deduce_language_from_filename (char *);
/* symtab.c */
-extern int
-in_prologue PARAMS ((CORE_ADDR pc, CORE_ADDR func_start));
+extern int in_prologue (CORE_ADDR pc, CORE_ADDR func_start);
+
+extern struct symbol *fixup_symbol_section (struct symbol *,
+ struct objfile *);
+
+extern struct partial_symbol *fixup_psymbol_section (struct partial_symbol
+ *psym,
+ struct objfile *objfile);
+
+/* Symbol searching */
+
+/* When using search_symbols, a list of the following structs is returned.
+ Callers must free the search list using free_search_symbols! */
+struct symbol_search
+ {
+ /* The block in which the match was found. Could be, for example,
+ STATIC_BLOCK or GLOBAL_BLOCK. */
+ int block;
+
+ /* Information describing what was found.
+
+ If symtab abd symbol are NOT NULL, then information was found
+ for this match. */
+ struct symtab *symtab;
+ struct symbol *symbol;
+
+ /* If msymbol is non-null, then a match was made on something for
+ which only minimal_symbols exist. */
+ struct minimal_symbol *msymbol;
+
+ /* A link to the next match, or NULL for the end. */
+ struct symbol_search *next;
+ };
+
+extern 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 *);
#endif /* !defined(SYMTAB_H) */
projects / deliverable / binutils-gdb.git / blobdiff