gdb/gdb-6.3-readnever-20050907....

97 lines
3.8 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.
Index: gdb-6.8/gdb/doc/gdb.texinfo
===================================================================
--- gdb-6.8.orig/gdb/doc/gdb.texinfo 2008-03-26 19:38:21.000000000 +0100
+++ gdb-6.8/gdb/doc/gdb.texinfo 2008-07-14 10:27:01.000000000 +0200
@@ -983,6 +983,12 @@ 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/gdb/main.c
===================================================================
--- gdb-6.8.orig/gdb/main.c 2008-07-14 10:26:39.000000000 +0200
+++ gdb-6.8/gdb/main.c 2008-07-14 10:27:01.000000000 +0200
@@ -296,6 +296,7 @@ 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},
@@ -947,6 +948,7 @@ 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\
Index: gdb-6.8/gdb/symfile.c
===================================================================
--- gdb-6.8.orig/gdb/symfile.c 2008-07-14 10:26:30.000000000 +0200
+++ gdb-6.8/gdb/symfile.c 2008-07-14 10:27:01.000000000 +0200
@@ -76,6 +76,7 @@ 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/gdb/dwarf2read.c
===================================================================
--- gdb-6.8.orig/gdb/dwarf2read.c 2008-07-14 10:26:09.000000000 +0200
+++ gdb-6.8/gdb/dwarf2read.c 2008-07-14 10:27:01.000000000 +0200
@@ -43,6 +43,7 @@
#include "dwarf2loc.h"
#include "cp-support.h"
#include "hashtab.h"
+#include "top.h"
#include "command.h"
#include "gdbcmd.h"
@@ -1106,7 +1107,8 @@ 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
Index: gdb-6.8/gdb/top.h
===================================================================
--- gdb-6.8.orig/gdb/top.h 2008-01-01 23:53:13.000000000 +0100
+++ gdb-6.8/gdb/top.h 2008-07-14 10:27:01.000000000 +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 *);