97 lines
3.8 KiB
Diff
97 lines
3.8 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-7.12.50.20170226/gdb/doc/gdb.texinfo
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===================================================================
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--- gdb-7.12.50.20170226.orig/gdb/doc/gdb.texinfo 2017-02-26 21:26:43.609788662 +0100
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+++ gdb-7.12.50.20170226/gdb/doc/gdb.texinfo 2017-02-26 21:26:46.582809721 +0100
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@@ -1037,6 +1037,12 @@
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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-7.12.50.20170226/gdb/main.c
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===================================================================
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--- gdb-7.12.50.20170226.orig/gdb/main.c 2017-02-26 21:26:43.612788684 +0100
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+++ gdb-7.12.50.20170226/gdb/main.c 2017-02-26 21:26:46.582809721 +0100
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@@ -615,6 +615,7 @@
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{"tui", no_argument, 0, OPT_TUI},
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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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@@ -1253,6 +1254,7 @@
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--se=FILE Use FILE as symbol file and executable file.\n\
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--symbols=SYMFILE Read symbols from SYMFILE.\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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--write Set writing into executable and core files.\n\n\
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"), stream);
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fputs_unfiltered (_("\
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Index: gdb-7.12.50.20170226/gdb/symfile.c
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===================================================================
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--- gdb-7.12.50.20170226.orig/gdb/symfile.c 2017-02-26 21:26:43.613788691 +0100
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+++ gdb-7.12.50.20170226/gdb/symfile.c 2017-02-26 21:26:46.583809728 +0100
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@@ -79,6 +79,7 @@
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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-7.12.50.20170226/gdb/dwarf2read.c
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===================================================================
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--- gdb-7.12.50.20170226.orig/gdb/dwarf2read.c 2017-02-26 21:26:43.620788740 +0100
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+++ gdb-7.12.50.20170226/gdb/dwarf2read.c 2017-02-26 21:26:59.078898234 +0100
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@@ -71,6 +71,7 @@
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#include "namespace.h"
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#include "common/gdb_unlinker.h"
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#include "common/function-view.h"
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+#include "top.h"
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#include <fcntl.h>
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#include <sys/types.h>
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@@ -2113,7 +2114,8 @@
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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.is_virtual
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+ return !readnever_symbol_files &&
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+ (!dwarf2_per_objfile->info.is_virtual
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&& dwarf2_per_objfile->info.s.section != NULL
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&& !dwarf2_per_objfile->abbrev.is_virtual
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&& dwarf2_per_objfile->abbrev.s.section != NULL);
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Index: gdb-7.12.50.20170226/gdb/top.h
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===================================================================
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--- gdb-7.12.50.20170226.orig/gdb/top.h 2017-02-26 21:26:43.622788754 +0100
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+++ gdb-7.12.50.20170226/gdb/top.h 2017-02-26 21:26:46.589809771 +0100
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@@ -269,6 +269,7 @@
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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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