114 lines
4.6 KiB
Diff
114 lines
4.6 KiB
Diff
From: Andrew Cagney <cagney@gnu.org>
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Date: Fri, 27 Oct 2017 21:07:50 +0200
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Subject: gdb-6.3-readnever-20050907.patch
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FileName: gdb-6.3-readnever-20050907.patch
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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-7.99.90.20170420/gdb/doc/gdb.texinfo
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===================================================================
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--- gdb-7.99.90.20170420.orig/gdb/doc/gdb.texinfo 2017-04-20 22:29:39.179740076 +0200
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+++ gdb-7.99.90.20170420/gdb/doc/gdb.texinfo 2017-04-20 22:29:40.924751096 +0200
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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-7.99.90.20170420/gdb/main.c
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===================================================================
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--- gdb-7.99.90.20170420.orig/gdb/main.c 2017-04-20 22:29:39.182740095 +0200
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+++ gdb-7.99.90.20170420/gdb/main.c 2017-04-20 22:29:40.925751103 +0200
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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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@@ -1254,6 +1255,7 @@
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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-7.99.90.20170420/gdb/symfile.c
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===================================================================
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--- gdb-7.99.90.20170420.orig/gdb/symfile.c 2017-04-20 22:29:39.183740101 +0200
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+++ gdb-7.99.90.20170420/gdb/symfile.c 2017-04-20 22:29:40.926751109 +0200
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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-7.99.90.20170420/gdb/dwarf2read.c
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===================================================================
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--- gdb-7.99.90.20170420.orig/gdb/dwarf2read.c 2017-04-20 22:29:39.190740145 +0200
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+++ gdb-7.99.90.20170420/gdb/dwarf2read.c 2017-04-20 22:29:57.973858766 +0200
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@@ -73,6 +73,7 @@
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#include "common/function-view.h"
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#include "common/gdb_optional.h"
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#include "common/underlying.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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@@ -2208,7 +2209,8 @@
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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-7.99.90.20170420/gdb/top.h
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===================================================================
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--- gdb-7.99.90.20170420.orig/gdb/top.h 2017-04-20 22:29:39.191740152 +0200
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+++ gdb-7.99.90.20170420/gdb/top.h 2017-04-20 22:29:40.932751147 +0200
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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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--- gdb-8.0.1/gdb/gcore.in-orig 2017-06-04 17:51:26.000000000 +0200
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+++ gdb-8.0.1/gdb/gcore.in 2017-09-28 19:46:49.335407827 +0200
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@@ -85,7 +85,7 @@ for pid in $*
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do
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# `</dev/null' to avoid touching interactive terminal if it is
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# available but not accessible as GDB would get stopped on SIGTTIN.
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- $binary_path/@GDB_TRANSFORM_NAME@ </dev/null --nx --batch \
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+ $binary_path/@GDB_TRANSFORM_NAME@ </dev/null --nx --batch --readnever \
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-ex "set pagination off" -ex "set height 0" -ex "set width 0" \
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-ex "attach $pid" -ex "gcore $name.$pid" -ex detach -ex quit
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