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99 lines
4.0 KiB
99 lines
4.0 KiB
6 years ago
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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-7.5.50.20130215/gdb/doc/gdb.texinfo
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===================================================================
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--- gdb-7.5.50.20130215.orig/gdb/doc/gdb.texinfo 2013-02-15 22:31:37.000000000 +0100
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+++ gdb-7.5.50.20130215/gdb/doc/gdb.texinfo 2013-02-15 22:34:22.381165443 +0100
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@@ -1026,6 +1026,12 @@ 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-7.5.50.20130215/gdb/main.c
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===================================================================
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--- gdb-7.5.50.20130215.orig/gdb/main.c 2013-02-15 22:31:37.000000000 +0100
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+++ gdb-7.5.50.20130215/gdb/main.c 2013-02-15 22:34:22.382165445 +0100
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@@ -447,6 +447,7 @@ 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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@@ -1165,6 +1166,7 @@ Options:\n\n\
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fputs_unfiltered (_("\
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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-7.5.50.20130215/gdb/symfile.c
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===================================================================
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--- gdb-7.5.50.20130215.orig/gdb/symfile.c 2013-02-01 20:39:03.000000000 +0100
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+++ gdb-7.5.50.20130215/gdb/symfile.c 2013-02-15 22:34:22.383165447 +0100
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@@ -81,6 +81,7 @@ 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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/* Functions this file defines. */
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Index: gdb-7.5.50.20130215/gdb/dwarf2read.c
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===================================================================
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--- gdb-7.5.50.20130215.orig/gdb/dwarf2read.c 2013-02-15 22:31:37.000000000 +0100
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+++ gdb-7.5.50.20130215/gdb/dwarf2read.c 2013-02-15 22:34:34.479181584 +0100
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@@ -68,6 +68,7 @@
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#include "gdb_bfd.h"
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#include "f-lang.h"
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#include "source.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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@@ -1793,8 +1794,9 @@ dwarf2_has_info (struct objfile *objfile
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(void *) names);
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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 look either for uncompressed section or for
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Index: gdb-7.5.50.20130215/gdb/top.h
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===================================================================
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--- gdb-7.5.50.20130215.orig/gdb/top.h 2013-01-07 17:40:36.000000000 +0100
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+++ gdb-7.5.50.20130215/gdb/top.h 2013-02-15 22:34:22.389165459 +0100
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@@ -58,6 +58,7 @@ extern void set_prompt (const char *s);
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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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