diff options
Diffstat (limited to 'gdb/symtab.h')
| -rw-r--r-- | gdb/symtab.h | 69 |
1 files changed, 65 insertions, 4 deletions
diff --git a/gdb/symtab.h b/gdb/symtab.h index 10c3392..ef03c20 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -18,12 +18,15 @@ In other words, go ahead and share GDB, but don't try to stop anyone else from sharing it farther. Help stamp out software hoarding! */ +#include <obstack.h> + /* An obstack to hold objects that should be freed when we load a new symbol table. This includes the symbols made by dbxread and the types that are not permanent. */ extern struct obstack *symbol_obstack; +extern struct obstack *psymbol_obstack; /* Some definitions and declarations to go with use of obstacks. */ #define obstack_chunk_alloc xmalloc @@ -38,12 +41,15 @@ extern void free (); /* In addition, gdb can record any number of miscellaneous undebuggable functions' addresses. In a system that appends _ to function names, - the _'s are removed from the names stored in this table. */ + the _'s are removed from the names stored in this table. The type is + used when sorting so that find_pc_misc_function will pick a global name + over a local name for the same address. */ struct misc_function { char *name; CORE_ADDR address; + unsigned char type; }; /* Address and length of the vector recording all misc function names/addresses. */ @@ -53,8 +59,8 @@ int misc_function_count; #include "symseg.h" -/* Each source file is represented by a struct symtab. - These objects are chained through the `next' field. */ +/* Each source file is represented by a struct symtab. */ +/* These objects are chained through the `next' field. */ struct symtab { @@ -95,10 +101,60 @@ struct symtab char *fullname; }; +/* + * Each source file that has not been fully read in is represented by + * a partial_symtab. This contains the information on where in the + * executable the debugging symbols for a specific file are, and a + * list of names of global symbols which are located in this file. + */ +struct partial_symtab +{ + /* Chain of all existing partial symtabs. */ + struct partial_symtab *next; + /* Name of the source file which this partial_symtab defines */ + char *filename; + /* Offset within loader symbol table of first local symbol for this + file and length (in bytes) of the section of the symbol table + devoted to this file's symbols (actually, the section bracketed + may contain more than just this files symbols + If ldsymlen is 0, the only reason for this things existence is + the dependency list below. Nothing else will happen when it is + read in. */ + int ldsymoff, ldsymlen; + /* Range of text addresses covered by this file; texthigh is the + beginning of the next section. */ + int textlow, texthigh; + /* Non-zero if the symtab corresponding to this psymtab has been + readin */ + unsigned char readin; + /* Array of pointers to all of the partial_symtab s which this one + depends one. Since this array can only be set to previous or + the current (?) psymtab, this dependency tree is guarranteed not + to have any loops. */ + struct partial_symtab **dependencies; + int number_of_dependencies; + /* Global symbol list. This list will be sorted after readin to + improve access. Binary search will be the usual method of + finding a symbol within it. globals_offset is an integer offset + within ps_globals */ + int globals_offset, n_global_syms; + /* Static symbol list. This list will *not* be sorted after readin; + to find a symbol in it, exhaustive search must be used. This is + reasonable because searches through this list will eventually + lead to either the read in of a files symbols for real (assumed + to take a *lot* of time; check) or an error (and we don't care + how long errors take). */ + int statics_offset, n_static_syms; +}; + /* This is the list of struct symtab's that gdb considers current. */ struct symtab *symtab_list; +/* This is the list of struct partial_symtab's that gdb may need to access */ + +struct partial_symtab *partial_symtab_list; + /* This symtab variable specifies the current file for printing source lines */ struct symtab *current_source_symtab; @@ -131,6 +187,7 @@ int current_source_line; #define BLOCK_SYM(bl, n) (bl)->sym[n] #define BLOCK_FUNCTION(bl) (bl)->function #define BLOCK_SUPERBLOCK(bl) (bl)->superblock +#define BLOCK_GCC_COMPILED(bl) (bl)->gcc_compile_flag /* Nonzero if symbols of block BL should be sorted alphabetically. */ #define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40) @@ -225,7 +282,6 @@ int current_source_line; extern struct symtab *lookup_symtab (); extern struct symbol *lookup_symbol (); -extern struct symbol *lookup_symbol_1 (), *lookup_symbol_2 (); extern struct type *lookup_typename (); extern struct type *lookup_unsigned_typename (); extern struct type *lookup_struct (); @@ -255,6 +311,10 @@ extern struct type *builtin_type_unsigned_int; extern struct type *builtin_type_unsigned_long; extern struct type *builtin_type_float; extern struct type *builtin_type_double; +#ifdef LONG_LONG +extern struct type *builtin_type_long_long; +extern struct type *builtin_type_unsigned_long_long; +#endif struct symtab_and_line { @@ -280,4 +340,5 @@ struct symtab_and_line find_pc_line (); For commands like "list" and "breakpoint". */ struct symtabs_and_lines decode_line_spec (); +struct symtabs_and_lines decode_line_spec_1 (); struct symtabs_and_lines decode_line_1 (); |