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658b489 |
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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658b489 |
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* gdb.texinfo (File Options): Document --readnever.
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--- gdb-6.3/gdb/doc/gdb.texinfo.fix 2005-09-07 13:32:23.000000000 -0400
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+++ gdb-6.3/gdb/doc/gdb.texinfo 2005-09-07 13:33:21.000000000 -0400
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@@ -952,6 +952,12 @@ 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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You typically combine the @code{-mapped} and @code{-readnow} options in
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--- gdb-6.3/gdb/main.c.fix 2005-09-07 13:31:43.000000000 -0400
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+++ gdb-6.3/gdb/main.c 2005-09-07 13:33:21.000000000 -0400
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@@ -250,6 +250,7 @@ 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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@@ -861,6 +862,7 @@ 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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--- gdb-6.3/gdb/symfile.c.fix 2005-09-07 13:31:48.000000000 -0400
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+++ gdb-6.3/gdb/symfile.c 2005-09-07 13:33:21.000000000 -0400
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@@ -75,6 +75,7 @@ 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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--- gdb-6.3/gdb/dwarf2read.c.fix 2005-09-07 13:31:58.000000000 -0400
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+++ gdb-6.3/gdb/dwarf2read.c 2005-09-07 13:34:03.000000000 -0400
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@@ -45,6 +45,7 @@
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#include "dwarf2loc.h"
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#include "cp-support.h"
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#include "hashtab.h"
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+#include "top.h"
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#include "command.h"
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#include "gdbcmd.h"
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@@ -1100,7 +1101,8 @@ dwarf2_has_info (struct objfile *objfile
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dwarf_loc_section = 0;
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bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, NULL);
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- return (dwarf_info_section != NULL && dwarf_abbrev_section != NULL);
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+ return (!readnever_symbol_files
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+ && dwarf_info_section != NULL && dwarf_abbrev_section != NULL);
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}
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/* This function is mapped across the sections and remembers the
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--- gdb-6.3/gdb/top.h.fix 2005-09-07 13:32:08.000000000 -0400
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+++ gdb-6.3/gdb/top.h 2005-09-07 13:33:21.000000000 -0400
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@@ -57,6 +57,7 @@ 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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658b489 |
extern void gdb_init (char *);
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