99 lines
4.0 KiB
Diff
99 lines
4.0 KiB
Diff
2004-11-18 Andrew Cagney <cagney@gnu.org>
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* dwarf2read.c: Include "top.c".
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(dwarf2_has_info): Check for readnever_symbol_files.
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* symfile.c (readnever_symbol_files): Define.
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* top.h (readnever_symbol_files): Declare.
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* main.c (captured_main): Add --readnever option.
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(print_gdb_help): Ditto.
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2004-11-18 Andrew Cagney <cagney@gnu.org>
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* gdb.texinfo (File Options): Document --readnever.
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Index: gdb-7.2.50.20101116/gdb/doc/gdb.texinfo
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===================================================================
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--- gdb-7.2.50.20101116.orig/gdb/doc/gdb.texinfo 2010-11-12 21:49:41.000000000 +0100
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+++ gdb-7.2.50.20101116/gdb/doc/gdb.texinfo 2010-11-16 07:59:31.000000000 +0100
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@@ -1001,6 +1001,12 @@ Read each symbol file's entire symbol ta
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the default, which is to read it incrementally as it is needed.
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This makes startup slower, but makes future operations faster.
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+@item --readnever
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+@cindex @code{--readnever}
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+Do not read each symbol file's symbolic debug information. This makes
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+startup faster but at the expense of not being able to perform
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+symbolic debugging.
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+
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@end table
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@node Mode Options
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Index: gdb-7.2.50.20101116/gdb/main.c
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===================================================================
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--- gdb-7.2.50.20101116.orig/gdb/main.c 2010-11-16 07:59:20.000000000 +0100
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+++ gdb-7.2.50.20101116/gdb/main.c 2010-11-16 07:59:59.000000000 +0100
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@@ -390,6 +390,7 @@ captured_main (void *data)
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{"xdb", no_argument, &xdb_commands, 1},
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{"dbx", no_argument, &dbx_commands, 1},
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{"readnow", no_argument, &readnow_symbol_files, 1},
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+ {"readnever", no_argument, &readnever_symbol_files, 1},
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{"r", no_argument, &readnow_symbol_files, 1},
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{"quiet", no_argument, &quiet, 1},
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{"q", no_argument, &quiet, 1},
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@@ -982,6 +983,7 @@ Options:\n\n\
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fputs_unfiltered (_(" file.\n\
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--quiet Do not print version number on startup.\n\
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--readnow Fully read symbol files on first access.\n\
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+ --readnever Do not read symbol files.\n\
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"), stream);
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fputs_unfiltered (_("\
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--se=FILE Use FILE as symbol file and executable file.\n\
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Index: gdb-7.2.50.20101116/gdb/symfile.c
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===================================================================
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--- gdb-7.2.50.20101116.orig/gdb/symfile.c 2010-10-17 20:49:46.000000000 +0200
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+++ gdb-7.2.50.20101116/gdb/symfile.c 2010-11-16 07:59:31.000000000 +0100
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@@ -80,6 +80,7 @@ static void clear_symtab_users_cleanup (
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/* Global variables owned by this file */
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int readnow_symbol_files; /* Read full symbols immediately */
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+int readnever_symbol_files; /* Never read full symbols. */
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/* External variables and functions referenced. */
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Index: gdb-7.2.50.20101116/gdb/dwarf2read.c
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===================================================================
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--- gdb-7.2.50.20101116.orig/gdb/dwarf2read.c 2010-11-16 07:54:02.000000000 +0100
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+++ gdb-7.2.50.20101116/gdb/dwarf2read.c 2010-11-16 08:00:18.000000000 +0100
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@@ -57,6 +57,7 @@
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#include "vec.h"
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#include "c-lang.h"
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#include "valprint.h"
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+#include "top.h"
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#include <fcntl.h>
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#include "gdb_string.h"
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@@ -1356,8 +1357,9 @@ dwarf2_has_info (struct objfile *objfile
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bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, NULL);
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dwarf2_per_objfile->objfile = objfile;
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}
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- return (dwarf2_per_objfile->info.asection != NULL
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- && dwarf2_per_objfile->abbrev.asection != NULL);
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+ return (! readnever_symbol_files
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+ && (dwarf2_per_objfile->info.asection != NULL
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+ && dwarf2_per_objfile->abbrev.asection != NULL));
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}
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/* When loading sections, we can either look for ".<name>", or for
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Index: gdb-7.2.50.20101116/gdb/top.h
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===================================================================
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--- gdb-7.2.50.20101116.orig/gdb/top.h 2010-04-07 18:54:39.000000000 +0200
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+++ gdb-7.2.50.20101116/gdb/top.h 2010-11-16 07:59:31.000000000 +0100
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@@ -61,6 +61,7 @@ extern void set_prompt (char *);
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/* From random places. */
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extern int readnow_symbol_files;
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+extern int readnever_symbol_files;
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/* Perform _initialize initialization */
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extern void gdb_init (char *);
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