gdb/gdb-6.3-readnever-20050907.patch
Jeff Johnston 658b48942f - Bump up release number.
Wed Sep 07 2005 Jeff Johnston <jjohnstn@redhat.com> 6.3.0.0-1.62
- Readd readnever option
2005-09-07 18:57:23 +00:00

87 lines
3.3 KiB
Diff

2004-11-18 Andrew Cagney <cagney@gnu.org>
* 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 <cagney@gnu.org>
* gdb.texinfo (File Options): Document --readnever.
--- gdb-6.3/gdb/doc/gdb.texinfo.fix 2005-09-07 13:32:23.000000000 -0400
+++ gdb-6.3/gdb/doc/gdb.texinfo 2005-09-07 13:33:21.000000000 -0400
@@ -952,6 +952,12 @@ 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
You typically combine the @code{-mapped} and @code{-readnow} options in
--- gdb-6.3/gdb/main.c.fix 2005-09-07 13:31:43.000000000 -0400
+++ gdb-6.3/gdb/main.c 2005-09-07 13:33:21.000000000 -0400
@@ -250,6 +250,7 @@ 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},
@@ -861,6 +862,7 @@ Options:\n\n\
fputs_unfiltered (_(" file.\n\
--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\
--- gdb-6.3/gdb/symfile.c.fix 2005-09-07 13:31:48.000000000 -0400
+++ gdb-6.3/gdb/symfile.c 2005-09-07 13:33:21.000000000 -0400
@@ -75,6 +75,7 @@ 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. */
--- gdb-6.3/gdb/dwarf2read.c.fix 2005-09-07 13:31:58.000000000 -0400
+++ gdb-6.3/gdb/dwarf2read.c 2005-09-07 13:34:03.000000000 -0400
@@ -45,6 +45,7 @@
#include "dwarf2loc.h"
#include "cp-support.h"
#include "hashtab.h"
+#include "top.h"
#include "command.h"
#include "gdbcmd.h"
@@ -1100,7 +1101,8 @@ dwarf2_has_info (struct objfile *objfile
dwarf_loc_section = 0;
bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, NULL);
- return (dwarf_info_section != NULL && dwarf_abbrev_section != NULL);
+ return (!readnever_symbol_files
+ && dwarf_info_section != NULL && dwarf_abbrev_section != NULL);
}
/* This function is mapped across the sections and remembers the
--- gdb-6.3/gdb/top.h.fix 2005-09-07 13:32:08.000000000 -0400
+++ gdb-6.3/gdb/top.h 2005-09-07 13:33:21.000000000 -0400
@@ -57,6 +57,7 @@ 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 *);