2004-11-18 Andrew Cagney * dwarf2read.c: Include "top.c". (dwarf2_has_info): Check for readnever_symbol_files. * symfile.c (readnever_symbol_files): Define. * top.h (readnever_symbol_files): Declare. * main.c (captured_main): Add --readnever option. (print_gdb_help): Ditto. 2004-11-18 Andrew Cagney * gdb.texinfo (File Options): Document --readnever. Index: gdb-7.1.90.20100721/gdb/doc/gdb.texinfo =================================================================== --- gdb-7.1.90.20100721.orig/gdb/doc/gdb.texinfo 2010-07-23 20:58:52.000000000 +0200 +++ gdb-7.1.90.20100721/gdb/doc/gdb.texinfo 2010-07-23 20:59:15.000000000 +0200 @@ -998,6 +998,12 @@ Read each symbol file's entire symbol ta the default, which is to read it incrementally as it is needed. This makes startup slower, but makes future operations faster. +@item --readnever +@cindex @code{--readnever} +Do not read each symbol file's symbolic debug information. This makes +startup faster but at the expense of not being able to perform +symbolic debugging. + @end table @node Mode Options Index: gdb-7.1.90.20100721/gdb/main.c =================================================================== --- gdb-7.1.90.20100721.orig/gdb/main.c 2010-07-23 20:58:55.000000000 +0200 +++ gdb-7.1.90.20100721/gdb/main.c 2010-07-23 20:59:15.000000000 +0200 @@ -391,6 +391,7 @@ captured_main (void *data) {"xdb", no_argument, &xdb_commands, 1}, {"dbx", no_argument, &dbx_commands, 1}, {"readnow", no_argument, &readnow_symbol_files, 1}, + {"readnever", no_argument, &readnever_symbol_files, 1}, {"r", no_argument, &readnow_symbol_files, 1}, {"quiet", no_argument, &quiet, 1}, {"q", no_argument, &quiet, 1}, @@ -1038,6 +1039,7 @@ Options:\n\n\ fputs_unfiltered (_("\ --quiet Do not print version number on startup.\n\ --readnow Fully read symbol files on first access.\n\ + --readnever Do not read symbol files.\n\ "), stream); fputs_unfiltered (_("\ --se=FILE Use FILE as symbol file and executable file.\n\ Index: gdb-7.1.90.20100721/gdb/symfile.c =================================================================== --- gdb-7.1.90.20100721.orig/gdb/symfile.c 2010-07-23 20:58:52.000000000 +0200 +++ gdb-7.1.90.20100721/gdb/symfile.c 2010-07-23 20:59:15.000000000 +0200 @@ -80,6 +80,7 @@ static void clear_symtab_users_cleanup ( /* Global variables owned by this file */ int readnow_symbol_files; /* Read full symbols immediately */ +int readnever_symbol_files; /* Never read full symbols. */ /* External variables and functions referenced. */ Index: gdb-7.1.90.20100721/gdb/dwarf2read.c =================================================================== --- gdb-7.1.90.20100721.orig/gdb/dwarf2read.c 2010-07-23 20:58:53.000000000 +0200 +++ gdb-7.1.90.20100721/gdb/dwarf2read.c 2010-07-23 20:59:26.000000000 +0200 @@ -54,6 +54,7 @@ #include "exceptions.h" #include "gdb_stat.h" #include "completer.h" +#include "top.h" #include #include "gdb_string.h" @@ -1283,8 +1284,9 @@ dwarf2_has_info (struct objfile *objfile bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, NULL); dwarf2_per_objfile->objfile = objfile; } - return (dwarf2_per_objfile->info.asection != NULL - && dwarf2_per_objfile->abbrev.asection != NULL); + return (! readnever_symbol_files + && (dwarf2_per_objfile->info.asection != NULL + && dwarf2_per_objfile->abbrev.asection != NULL)); } /* When loading sections, we can either look for ".", or for Index: gdb-7.1.90.20100721/gdb/top.h =================================================================== --- gdb-7.1.90.20100721.orig/gdb/top.h 2010-04-07 18:54:39.000000000 +0200 +++ gdb-7.1.90.20100721/gdb/top.h 2010-07-23 20:59:15.000000000 +0200 @@ -61,6 +61,7 @@ extern void set_prompt (char *); /* From random places. */ extern int readnow_symbol_files; +extern int readnever_symbol_files; /* Perform _initialize initialization */ extern void gdb_init (char *);