From: David Carlton Date: Thu, 12 Sep 2002 19:19:37 +0000 (+0000) Subject: 2002-09-12 David Carlton X-Git-Tag: carlton_dictionary-20020920-branchpoint~120 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a3ca54bd10163dd09b74b074b61218ba07ab99d7;p=pf3gnuchains%2Fpf3gnuchains4x.git 2002-09-12 David Carlton * symtab.h: Run through gdb_indent.h. Add 2002 to Copyright year list. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index cb2e45dced..41d025e539 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2002-09-12 David Carlton + + * symtab.h: Run through gdb_indent.h. + Add 2002 to Copyright year list. + 2002-09-12 Alan Modra * x86-64-tdep.c (_initialize_x86_64_tdep): Don't use hard-coded diff --git a/gdb/symtab.h b/gdb/symtab.h index 7f511f070c..ba04a987ed 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -1,6 +1,6 @@ /* Symbol table definitions for GDB. Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, - 1997, 1998, 1999, 2000, 2001 + 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -46,78 +46,78 @@ struct obstack; 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. */ +{ + /* 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; + 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). */ + /* 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; + 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; - struct block *block; + struct block *block; - char *bytes; + char *bytes; - CORE_ADDR address; + CORE_ADDR address; - /* for opaque typedef struct chain */ + /* for opaque typedef struct chain */ - struct symbol *chain; - } - value; + struct symbol *chain; + } + value; - /* Since one and only one language can apply, wrap the language specific - information inside a union. */ + /* Since one and only one language can apply, wrap the language specific + information inside a union. */ - union - { - struct cplus_specific /* For C++ */ - /* and Java */ - { - char *demangled_name; - } - cplus_specific; + union + { + struct cplus_specific /* For C++ */ + /* and Java */ + { + char *demangled_name; + } + cplus_specific; #if 0 - /* OBSOLETE struct chill_specific *//* For Chill */ - /* OBSOLETE { */ - /* OBSOLETE char *demangled_name; */ - /* OBSOLETE } */ - /* OBSOLETE chill_specific; */ +/* OBSOLETE struct chill_specific *//* For Chill */ + /* OBSOLETE { */ + /* OBSOLETE char *demangled_name; */ + /* OBSOLETE } */ + /* OBSOLETE chill_specific; */ #endif - } - language_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. */ + /* 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; + 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). */ + /* 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; + short section; - /* The bfd section associated with this symbol. */ + /* The bfd section associated with this symbol. */ - asection *bfd_section; - }; + asection *bfd_section; +}; extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *); @@ -160,9 +160,9 @@ extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *); #define SYMBOL_INIT_DEMANGLED_NAME(symbol,obstack) \ (symbol_init_demangled_name (&symbol->ginfo, (obstack))) extern void symbol_init_demangled_name (struct general_symbol_info *symbol, - struct obstack *obstack); + struct obstack *obstack); + - /* Macro that returns the demangled name for a symbol based on the language for that symbol. If no demangled name exists, returns NULL. */ @@ -233,82 +233,82 @@ extern void symbol_init_demangled_name (struct general_symbol_info *symbol, 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 + so it doesn't have to rederive the info constantly (over a serial line). + It is initialized to zero and stays that way until target-dependent code + sets it. Storage for any data pointed to by this field should be allo- + cated on the symbol_obstack for the associated objfile. + The type would be "void *" except for reasons of compatibility with older + compilers. This field is optional. - Currently, the AMD 29000 tdep.c uses it to remember things it has decoded - from the instructions in the function header, and the MIPS-16 code uses - it to identify 16-bit procedures. */ + 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; - - /* 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; - }; + /* 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 - + /* 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. @@ -336,12 +336,12 @@ struct minimal_symbol 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] @@ -353,66 +353,66 @@ struct blockvector #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; - /* The symbols for this block are either in a simple linear list or - in a simple hashtable. Blocks which correspond to a function - (which have a list of symbols corresponding to arguments) use - a linear list, as do some older symbol readers (currently only - mdebugread and dstread). Other blocks are hashed. + /* The symbols for this block are either in a simple linear list or + in a simple hashtable. Blocks which correspond to a function + (which have a list of symbols corresponding to arguments) use + a linear list, as do some older symbol readers (currently only + mdebugread and dstread). Other blocks are hashed. - The hashtable uses the same hash function as the minsym hashtables, - found in minsyms.c:minsym_hash_iw. Symbols are hashed based on - their demangled name if appropriate, and on their name otherwise. - The hash function ignores space, and stops at the beginning of the - argument list if any. + The hashtable uses the same hash function as the minsym hashtables, + found in minsyms.c:minsym_hash_iw. Symbols are hashed based on + their demangled name if appropriate, and on their name otherwise. + The hash function ignores space, and stops at the beginning of the + argument list if any. - The table is laid out in NSYMS/5 buckets and symbols are chained via - their hash_next field. */ + The table is laid out in NSYMS/5 buckets and symbols are chained via + their hash_next field. */ - /* If this is really a hashtable of the symbols, this flag is 1. */ + /* If this is really a hashtable of the symbols, this flag is 1. */ - unsigned char hashtable; + unsigned char hashtable; - /* 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 @@ -456,250 +456,248 @@ struct block 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, +{ + /* 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. */ - /* VAR_NAMESPACE is the usual namespace. In C, this contains variables, - function names, typedef names and enum type values. */ + UNDEF_NAMESPACE, - 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, - /* Everything in VAR_NAMESPACE minus FUNCTIONS_-, TYPES_-, and - METHODS_NAMESPACE */ - VARIABLES_NAMESPACE, + /* Searching namespaces. These overlap with VAR_NAMESPACE, providing + some granularity with the search_symbols function. */ - /* All functions -- for some reason not methods, though. */ - FUNCTIONS_NAMESPACE, + /* Everything in VAR_NAMESPACE minus FUNCTIONS_-, TYPES_-, and + METHODS_NAMESPACE */ + VARIABLES_NAMESPACE, - /* All defined types */ - TYPES_NAMESPACE, + /* All functions -- for some reason not methods, though. */ + FUNCTIONS_NAMESPACE, - /* All class methods -- why is this separated out? */ - METHODS_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, - /* Value is at a thread-specific location calculated by a - target-specific method. */ + /* Value is at a thread-specific location calculated by a + target-specific method. */ - LOC_THREAD_LOCAL_STATIC, + LOC_THREAD_LOCAL_STATIC, - /* The variable does not actually exist in the program. - The value is ignored. */ + /* The variable does not actually exist in the program. + The value is ignored. */ - LOC_OPTIMIZED_OUT, + LOC_OPTIMIZED_OUT, - /* The variable is static, but actually lives at * (address). - * I.e. do an extra indirection to get to it. - * This is used on HP-UX to get at globals that are allocated - * in shared libraries, where references from images other - * than the one where the global was allocated are done - * with a level of indirection. - */ + /* 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 - - }; + LOC_INDIRECT +}; /* Linked list of symbol's live ranges. */ struct range_list - { - CORE_ADDR start; - CORE_ADDR end; - struct range_list *next; - }; +{ + 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 *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. */ + /* 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; + namespace_enum namespace BYTE_BITFIELD; - /* Address class */ + /* Address class */ - enum address_class aclass BYTE_BITFIELD; + enum address_class aclass BYTE_BITFIELD; - /* Line number of definition. FIXME: Should we really make the assumption - that nobody will try to debug files longer than 64K lines? What about - machine generated programs? */ + /* 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; + unsigned short line; - /* Some symbols require an additional value to be recorded on a per- - symbol basis. Stash those values here. */ + /* 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; + 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; + /* 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; + /* List of ranges where this symbol is active. This is only + used by alias symbols at the current time. */ + struct range_list *ranges; - struct symbol *hash_next; - }; + struct symbol *hash_next; +}; #define SYMBOL_NAMESPACE(symbol) (symbol)->namespace @@ -718,21 +716,21 @@ struct symbol 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 @@ -742,10 +740,10 @@ struct partial_symbol 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 @@ -753,10 +751,10 @@ struct sourcevector 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 @@ -776,22 +774,22 @@ struct linetable_entry zero length. */ 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. @@ -804,9 +802,9 @@ struct source extract offset values in the struct. */ struct section_offsets - { - CORE_ADDR offsets[1]; /* As many as needed. */ - }; +{ + CORE_ADDR offsets[1]; /* As many as needed. */ +}; #define ANOFFSET(secoff, whichone) \ ((whichone == -1) \ @@ -823,100 +821,100 @@ struct section_offsets These objects are chained through the `next' field. */ struct symtab - { +{ - /* Chain of all existing symtabs. */ + /* Chain of all existing symtabs. */ - struct symtab *next; + struct symtab *next; - /* List of all symbol scope blocks for this symtab. May be shared - between different symtabs (and normally is for all the symtabs - in a given compilation unit). */ + /* List of all symbol scope blocks for this symtab. May be shared + between different symtabs (and normally is for all the symtabs + in a given compilation unit). */ - struct blockvector *blockvector; + struct blockvector *blockvector; - /* Table mapping core addresses to line numbers for this file. - Can be NULL if none. Never shared between different symtabs. */ + /* Table mapping core addresses to line numbers for this file. + Can be NULL if none. Never shared between different symtabs. */ - struct linetable *linetable; + struct linetable *linetable; - /* Section in objfile->section_offsets for the blockvector and - the linetable. Probably always SECT_OFF_TEXT. */ + /* Section in objfile->section_offsets for the blockvector and + the linetable. Probably always SECT_OFF_TEXT. */ - int block_line_section; + int block_line_section; - /* If several symtabs share a blockvector, exactly one of them - should be designated the primary, so that the blockvector - is relocated exactly once by objfile_relocate. */ + /* If several symtabs share a blockvector, exactly one of them + should be designated the primary, so that the blockvector + is relocated exactly once by objfile_relocate. */ - int primary; + int primary; - /* The macro table for this symtab. Like the blockvector, this - may be shared between different symtabs --- and normally is for - all the symtabs in a given compilation unit. */ - struct macro_table *macro_table; + /* The macro table for this symtab. Like the blockvector, this + may be shared between different symtabs --- and normally is for + all the symtabs in a given compilation unit. */ + struct macro_table *macro_table; - /* Name of this source file. */ + /* Name of this source file. */ - char *filename; + char *filename; - /* Directory in which it was compiled, or NULL if we don't know. */ + /* Directory in which it was compiled, or NULL if we don't know. */ - char *dirname; + 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. FIXME: Is this redundant - with the primary field? */ + /* 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? */ - enum free_code - { - free_nothing, free_contents, free_linetable - } - free_code; + 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. */ + /* 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; + char *free_ptr; - /* Total number of lines found in source file. */ + /* Total number of lines found in source file. */ - int nlines; + int nlines; - /* line_charpos[N] is the position of the (N-1)th line of the - source file. "position" means something we can lseek() to; it - is not guaranteed to be useful any other way. */ + /* line_charpos[N] is the position of the (N-1)th line of the + source file. "position" means something we can lseek() to; it + is not guaranteed to be useful any other way. */ - int *line_charpos; + int *line_charpos; - /* Language of this source file. */ + /* Language of this source file. */ - enum language language; + 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. */ + /* 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; + char *debugformat; - /* String of version information. May be zero. */ + /* String of version information. May be zero. */ - char *version; + char *version; - /* Full name of file as found by searching the source path. - NULL if not yet known. */ + /* Full name of file as found by searching the source path. + NULL if not yet known. */ - char *fullname; + char *fullname; - /* Object file from which this symbol information was read. */ + /* Object file from which this symbol information was read. */ - struct objfile *objfile; + struct objfile *objfile; - }; +}; #define BLOCKVECTOR(symtab) (symtab)->blockvector #define LINETABLE(symtab) (symtab)->linetable @@ -934,88 +932,88 @@ struct symtab 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; - /* Full path of the source file. NULL if not known. */ + /* Full path of the source file. NULL if not known. */ - char *fullname; + char *fullname; - /* 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) (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) \ @@ -1213,17 +1211,17 @@ extern void install_minimal_symbols (struct objfile *); extern void msymbols_sort (struct objfile *objfile); struct symtab_and_line - { - struct symtab *symtab; - asection *section; - /* Line number. Line numbers start at 1 and proceed through symtab->nlines. - 0 is never a valid line number; it is used to indicate that line number - information is not available. */ - int line; - - CORE_ADDR pc; - CORE_ADDR end; - }; +{ + 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; +}; #define INIT_SAL(sal) { \ (sal)->symtab = 0; \ @@ -1234,10 +1232,10 @@ struct symtab_and_line } struct symtabs_and_lines - { - struct symtab_and_line *sals; - int nelts; - }; +{ + struct symtab_and_line *sals; + int nelts; +}; @@ -1248,22 +1246,22 @@ struct symtabs_and_lines /* Enums for exception-handling support */ enum exception_event_kind - { - EX_EVENT_THROW, - EX_EVENT_CATCH - }; +{ + 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. */ - }; +{ + 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) @@ -1356,7 +1354,8 @@ 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); +extern struct symtab_and_line find_function_start_sal (struct symbol *sym, + int); /* blockframe.c */ @@ -1387,36 +1386,37 @@ extern struct partial_symbol *fixup_psymbol_section (struct partial_symbol /* 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; +{ + /* The block in which the match was found. Could be, for example, + STATIC_BLOCK or GLOBAL_BLOCK. */ + int block; - /* Information describing what was found. + /* 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 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; + /* 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; - }; + /* 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 *); +extern struct cleanup *make_cleanup_free_search_symbols (struct symbol_search + *); /* The name of the ``main'' function. FIXME: cagney/2001-03-20: Can't make main_name() const since some of the calling code currently assumes that the string isn't const. */ extern void set_main_name (const char *name); -extern /*const*/ char *main_name (void); +extern /*const */ char *main_name (void); #endif /* !defined(SYMTAB_H) */