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-6.8.50.20090302/gdb/doc/gdb.texinfo =================================================================== --- gdb-6.8.50.20090302.orig/gdb/doc/gdb.texinfo 2009-05-09 20:00:02.000000000 +0200 +++ gdb-6.8.50.20090302/gdb/doc/gdb.texinfo 2009-05-09 20:00:06.000000000 +0200 @@ -988,6 +988,12 @@ 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-6.8.50.20090302/gdb/main.c =================================================================== --- gdb-6.8.50.20090302.orig/gdb/main.c 2009-05-09 20:00:03.000000000 +0200 +++ gdb-6.8.50.20090302/gdb/main.c 2009-05-09 20:00:06.000000000 +0200 @@ -427,6 +427,7 @@ 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}, @@ -1070,6 +1071,7 @@ 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-6.8.50.20090302/gdb/symfile.c =================================================================== --- gdb-6.8.50.20090302.orig/gdb/symfile.c 2009-05-09 20:00:03.000000000 +0200 +++ gdb-6.8.50.20090302/gdb/symfile.c 2009-05-09 20:00:06.000000000 +0200 @@ -77,6 +77,7 @@ 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-6.8.50.20090302/gdb/dwarf2read.c =================================================================== --- gdb-6.8.50.20090302.orig/gdb/dwarf2read.c 2009-05-09 20:00:02.000000000 +0200 +++ gdb-6.8.50.20090302/gdb/dwarf2read.c 2009-05-09 20:00:19.000000000 +0200 @@ -50,6 +50,7 @@ #include "c-lang.h" #include "typeprint.h" #include "block.h" +#include "top.h" #include #include "gdb_string.h" @@ -1187,7 +1188,8 @@ dwarf2_has_info (struct objfile *objfile dwarf_aranges_section = 0; bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, &update_sizes); - return (dwarf_info_section != NULL && dwarf_abbrev_section != NULL); + return !readnever_symbol_files + && dwarf_info_section != NULL && dwarf_abbrev_section != NULL; } /* When loading sections, we can either look for ".", or for Index: gdb-6.8.50.20090302/gdb/top.h =================================================================== --- gdb-6.8.50.20090302.orig/gdb/top.h 2009-01-03 06:57:53.000000000 +0100 +++ gdb-6.8.50.20090302/gdb/top.h 2009-05-09 20:00:06.000000000 +0200 @@ -59,6 +59,7 @@ 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 *);