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-7.12.50.20170226/gdb/doc/gdb.texinfo
===================================================================
--- gdb-7.12.50.20170226.orig/gdb/doc/gdb.texinfo 2017-02-26 21:26:43.609788662 +0100
+++ gdb-7.12.50.20170226/gdb/doc/gdb.texinfo 2017-02-26 21:26:46.582809721 +0100
@@ -1037,6 +1037,12 @@
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-7.12.50.20170226/gdb/main.c
===================================================================
--- gdb-7.12.50.20170226.orig/gdb/main.c 2017-02-26 21:26:43.612788684 +0100
+++ gdb-7.12.50.20170226/gdb/main.c 2017-02-26 21:26:46.582809721 +0100
@@ -615,6 +615,7 @@
{"tui", no_argument, 0, OPT_TUI},
{"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},
@@ -1253,6 +1254,7 @@
--se=FILE Use FILE as symbol file and executable file.\n\
--symbols=SYMFILE Read symbols from SYMFILE.\n\
--readnow Fully read symbol files on first access.\n\
+ --readnever Do not read symbol files.\n\
--write Set writing into executable and core files.\n\n\
"), stream);
fputs_unfiltered (_("\
Index: gdb-7.12.50.20170226/gdb/symfile.c
===================================================================
--- gdb-7.12.50.20170226.orig/gdb/symfile.c 2017-02-26 21:26:43.613788691 +0100
+++ gdb-7.12.50.20170226/gdb/symfile.c 2017-02-26 21:26:46.583809728 +0100
@@ -79,6 +79,7 @@
/* Global variables owned by this file. */
int readnow_symbol_files; /* Read full symbols immediately. */
+int readnever_symbol_files; /* Never read full symbols. */
/* Functions this file defines. */
Index: gdb-7.12.50.20170226/gdb/dwarf2read.c
===================================================================
--- gdb-7.12.50.20170226.orig/gdb/dwarf2read.c 2017-02-26 21:26:43.620788740 +0100
+++ gdb-7.12.50.20170226/gdb/dwarf2read.c 2017-02-26 21:26:59.078898234 +0100
@@ -71,6 +71,7 @@
#include "namespace.h"
#include "common/gdb_unlinker.h"
#include "common/function-view.h"
+#include "top.h"
#include <fcntl.h>
#include <sys/types.h>
@@ -2113,7 +2114,8 @@
(void *) names);
dwarf2_per_objfile->objfile = objfile;
}
- return (!dwarf2_per_objfile->info.is_virtual
+ return !readnever_symbol_files &&
+ (!dwarf2_per_objfile->info.is_virtual
&& dwarf2_per_objfile->info.s.section != NULL
&& !dwarf2_per_objfile->abbrev.is_virtual
&& dwarf2_per_objfile->abbrev.s.section != NULL);
Index: gdb-7.12.50.20170226/gdb/top.h
===================================================================
--- gdb-7.12.50.20170226.orig/gdb/top.h 2017-02-26 21:26:43.622788754 +0100
+++ gdb-7.12.50.20170226/gdb/top.h 2017-02-26 21:26:46.589809771 +0100
@@ -269,6 +269,7 @@
/* From random places. */
extern int readnow_symbol_files;
+extern int readnever_symbol_files;
/* Perform _initialize initialization. */
extern void gdb_init (char *);