gdb/gdb-6.3-readnever-20050907.patch
Jan Kratochvil a97b573f83 - Upgrade to the FSF GDB gdb-6.8.50 snapshot: 6.8.50.20090818
- archer-jankratochvil-fedora12 commit:
    5e0d1cc74f119391a2c3ae25ef5749fc28674f06
2009-08-18 18:51:17 +00:00

97 lines
3.9 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-6.8.50.20090811/gdb/doc/gdb.texinfo
===================================================================
--- gdb-6.8.50.20090811.orig/gdb/doc/gdb.texinfo 2009-08-13 10:14:15.000000000 +0200
+++ gdb-6.8.50.20090811/gdb/doc/gdb.texinfo 2009-08-13 10:14:18.000000000 +0200
@@ -991,6 +991,12 @@ 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-6.8.50.20090811/gdb/main.c
===================================================================
--- gdb-6.8.50.20090811.orig/gdb/main.c 2009-08-13 10:14:15.000000000 +0200
+++ gdb-6.8.50.20090811/gdb/main.c 2009-08-13 10:14:18.000000000 +0200
@@ -382,6 +382,7 @@ 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},
@@ -1030,6 +1031,7 @@ 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-6.8.50.20090811/gdb/symfile.c
===================================================================
--- gdb-6.8.50.20090811.orig/gdb/symfile.c 2009-08-13 10:14:15.000000000 +0200
+++ gdb-6.8.50.20090811/gdb/symfile.c 2009-08-13 10:14:18.000000000 +0200
@@ -79,6 +79,7 @@ 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-6.8.50.20090811/gdb/dwarf2read.c
===================================================================
--- gdb-6.8.50.20090811.orig/gdb/dwarf2read.c 2009-08-13 10:14:15.000000000 +0200
+++ gdb-6.8.50.20090811/gdb/dwarf2read.c 2009-08-13 10:14:29.000000000 +0200
@@ -53,6 +53,7 @@
#include "typeprint.h"
#include "vec.h"
#include "block.h"
+#include "top.h"
#include <fcntl.h>
#include "gdb_string.h"
@@ -1245,7 +1246,8 @@ dwarf2_has_info (struct objfile *objfile
bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, NULL);
}
- return (dwarf2_per_objfile->info.asection != NULL
+ return !readnever_symbol_files
+ && (dwarf2_per_objfile->info.asection != NULL
&& dwarf2_per_objfile->abbrev.asection != NULL);
}
Index: gdb-6.8.50.20090811/gdb/top.h
===================================================================
--- gdb-6.8.50.20090811.orig/gdb/top.h 2009-01-03 06:57:53.000000000 +0100
+++ gdb-6.8.50.20090811/gdb/top.h 2009-08-13 10:14:18.000000000 +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 *);