From 252f6c65f23072b3ad788fa1e03f17c964279ebd Mon Sep 17 00:00:00 2001 From: Fred Fish Date: Sat, 13 Jun 1992 18:20:44 +0000 Subject: [PATCH] * symtab.h (struct symbol): Add aux_value union for preserving an additional per-symbol value. * symtab.h (SYMBOL_BASEREG, SYMBOL_BASEREG_VALID): Add defines. * frame.h (FRAME_GET_BASEREG_VALUE): Provide default definition. * findvar.c (read_var_value): Use SYMBOL_BASEREG if valid. * printcmd.c (address_info): Use SYMBOL_BASEREG if valid. * symmisc.c (print_symbol): Use SYMBOL_BASEREG if valid. --- gdb/ChangeLog | 14 ++++++++++++-- gdb/symtab.h | 37 ++++++++++++++++++------------------- 2 files changed, 30 insertions(+), 21 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 0940295550e..604ec1c550d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,13 @@ +Sat Jun 13 11:16:45 1992 Fred Fish (fnf at cygnus.com) + + * symtab.h (struct symbol): Add aux_value union for preserving + an additional per-symbol value. + * symtab.h (SYMBOL_BASEREG, SYMBOL_BASEREG_VALID): Add defines. + * frame.h (FRAME_GET_BASEREG_VALUE): Provide default definition. + * findvar.c (read_var_value): Use SYMBOL_BASEREG if valid. + * printcmd.c (address_info): Use SYMBOL_BASEREG if valid. + * symmisc.c (print_symbol): Use SYMBOL_BASEREG if valid. + Sat Jun 13 09:18:46 1992 Michael Tiemann (tiemann@rtl.cygnus.com) * symfile.c (clear_symtab_users_once): Now non-static (for @@ -78,7 +88,7 @@ Fri Jun 12 18:54:40 1992 John Gilmore (gnu at cygnus.com) * symfile.c (symfile_bfd_open): Comment where name is freed. * symmisc.c (extend_psymbol_list): Comment where list is freed. -Fri Jun 12 12:49:43 1992 Fred Fish (fnf@cygnus.com) +Fri Jun 12 08:24:36 1992 Fred Fish (fnf at cygnus.com) * expprint.c (print_subexp): Add missing ']'. * defs.h (reg_names): Fix declaration to match that in infcmd.c @@ -104,7 +114,7 @@ Thu Jun 11 01:33:40 1992 John Gilmore (gnu at cygnus.com) * tm-i960.h (REGISTER_NAMES): Cosmetic change. * infcmd.c: Lint. -Tue Jun 9 17:19:45 1992 Fred Fish (fnf@cygnus.com) +Tue Jun 9 17:19:45 1992 Fred Fish (fnf at cygnus.com) * c-exp.y, m2-exp.y: Move remapping defines for malloc and realloc. Add remapping defines for {yyss, yyssp, yyvs, yyvsp}. diff --git a/gdb/symtab.h b/gdb/symtab.h index fa7875ee073..eeb8a53a08d 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -153,10 +153,10 @@ struct block /* Note that in an unrelocated symbol segment in an object file this pointer may be zero when the correct value should be the second special block (for symbols whose scope is one compilation). - This is because the compiler ouptuts the special blocks at the + This is because the compiler outputs the special blocks at the very end, after the other blocks. */ struct block *superblock; - /* A flag indicating whether or not the fucntion corresponding + /* A flag indicating whether or not the function corresponding to this block was compiled with gcc or not. If there is no function corresponding to this block, this meaning of this flag is undefined. (In practice it will be 1 if the block was created @@ -251,6 +251,18 @@ struct symbol struct symbol *chain; /* for opaque typedef struct chain */ } value; + + /* Some symbols require an additional value to be recorded on a per- + symbol basis. Stash those values here. */ + union + { + struct /* for OP_BASEREG in DWARF location specs */ + { + short regno_valid; /* 0 == regno invalid; !0 == regno valid */ + short regno; /* base register number {0, 1, 2, ...} */ + } basereg; + } + aux_value; }; @@ -442,11 +454,11 @@ struct partial_symtab /* This symtab variable specifies the current file for printing source lines */ -struct symtab *current_source_symtab; +extern struct symtab *current_source_symtab; /* This is the next line to print for listing source lines. */ -int current_source_line; +extern int current_source_line; #define BLOCKVECTOR(symtab) (symtab)->blockvector @@ -478,6 +490,8 @@ int current_source_line; #define SYMBOL_VALUE_CHAIN(symbol) (symbol)->value.chain #define SYMBOL_TYPE(symbol) (symbol)->type #define SYMBOL_LINE(symbol) (symbol)->line +#define SYMBOL_BASEREG_VALID(symbol) (symbol)->aux_value.basereg.regno_valid +#define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg.regno /* The virtual function table is now an array of structures which have the form { int16 offset, delta; void *pfn; }. @@ -557,18 +571,9 @@ contained_in PARAMS ((struct block *, struct block *)); extern void reread_symbols PARAMS ((void)); -extern int -have_partial_symbols PARAMS ((void)); - -extern int -have_full_symbols PARAMS ((void)); - /* Functions for dealing with the minimal symbol table, really a misc address<->symbol mapping for things we don't have debug symbols for. */ -extern int -have_minimal_symbols PARAMS ((void)); - extern void prim_record_minimal_symbol PARAMS ((const char *, CORE_ADDR, enum minimal_symbol_type)); @@ -579,12 +584,6 @@ lookup_minimal_symbol PARAMS ((const char *, struct objfile *)); extern struct minimal_symbol * lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR)); -extern PTR -iterate_over_msymbols PARAMS ((PTR (*func) (struct objfile *, - struct minimal_symbol *, - PTR, PTR, PTR), - PTR, PTR, PTR)); - extern void init_minimal_symbol_collection PARAMS ((void)); -- 2.30.2