36474ab6e8
http://sourceware.org/gdb/wiki/PythonGdb [catch-syscall] Trap and display syscalls. [delayed-symfile] Improve startup performance by lazily read psymtabs. [exception-rewind] Fix fatal C++ exceptions in an inferior function call. [expr] Expressions, single-quote elimination, C++ input canonicalization. [using-directive] C++ namespaces. [vla] C variable length arrays / DW_FORM_block / Fortran dynamic arrays. [misc] Fix debuginfoless `return' (BZ 365111), fix command-line macros for expected GCC (BZ 479914), new testcase for valgrind (for BZ 483262), implement `info common' for Fortran, fix Fortran logical-kind=8 (BZ 465310), fix static variable in C++ constructors (BZ 445912), fix power7 (BZ 485319). - Upgrade to the FSF GDB gdb-6.8.50 snapshot. - Fix parsing elf64-i386 files for kdump PAE vmcore dumps (BZ 457187). - Turn on 64-bit BFD support, globally enable AC_SYS_LARGEFILE.
97 lines
3.9 KiB
Diff
97 lines
3.9 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-6.8.50.20090228/gdb/doc/gdb.texinfo
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===================================================================
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--- gdb-6.8.50.20090228.orig/gdb/doc/gdb.texinfo 2009-03-02 01:01:15.000000000 +0100
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+++ gdb-6.8.50.20090228/gdb/doc/gdb.texinfo 2009-03-02 01:01:23.000000000 +0100
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@@ -988,6 +988,12 @@ 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-6.8.50.20090228/gdb/main.c
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===================================================================
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--- gdb-6.8.50.20090228.orig/gdb/main.c 2009-03-02 01:01:17.000000000 +0100
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+++ gdb-6.8.50.20090228/gdb/main.c 2009-03-02 01:01:23.000000000 +0100
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@@ -427,6 +427,7 @@ 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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@@ -1070,6 +1071,7 @@ 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-6.8.50.20090228/gdb/symfile.c
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===================================================================
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--- gdb-6.8.50.20090228.orig/gdb/symfile.c 2009-03-02 01:01:17.000000000 +0100
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+++ gdb-6.8.50.20090228/gdb/symfile.c 2009-03-02 01:01:23.000000000 +0100
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@@ -77,6 +77,7 @@ 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-6.8.50.20090228/gdb/dwarf2read.c
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===================================================================
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--- gdb-6.8.50.20090228.orig/gdb/dwarf2read.c 2009-03-02 01:01:15.000000000 +0100
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+++ gdb-6.8.50.20090228/gdb/dwarf2read.c 2009-03-02 01:01:36.000000000 +0100
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@@ -49,6 +49,7 @@
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#include "f-lang.h"
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#include "c-lang.h"
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#include "typeprint.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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@@ -1161,7 +1162,8 @@ dwarf2_has_info (struct objfile *objfile
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dwarf_aranges_section = 0;
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bfd_map_over_sections (objfile->obfd, dwarf2_locate_sections, &update_sizes);
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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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/* When loading sections, we can either look for ".<name>", or for
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Index: gdb-6.8.50.20090228/gdb/top.h
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===================================================================
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--- gdb-6.8.50.20090228.orig/gdb/top.h 2009-01-03 06:57:53.000000000 +0100
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+++ gdb-6.8.50.20090228/gdb/top.h 2009-03-02 01:01:23.000000000 +0100
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@@ -59,6 +59,7 @@ 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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