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20447f71b1
gdb/SOURCES/gdb-rhbz795424-bitpos-lazyvalue.patch
CentOS Sources 20447f71b1 import gdb-8.2-6.el8
2021-09-09 17:02:37 +00:00

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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-rhbz795424-bitpos-lazyvalue.patch
;; Fix `GDB cannot access struct member whose offset is larger than 256MB'
;; (RH BZ 795424).
;;=push
diff --git a/gdb/testsuite/gdb.base/longest-types-64bit.S b/gdb/testsuite/gdb.base/longest-types-64bit.S
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/longest-types-64bit.S
@@ -0,0 +1,249 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+ .file "longest-types-64bit.c"
+ .text
+.Ltext0:
+ .globl main
+main:
+ .comm f,8,8
+.Letext0:
+ .file 1 "gdb.base/longest-types-64bit.c"
+ .section .debug_info,"",@progbits
+.Ldebug_info0:
+ .4byte 0x9a /* Length of Compilation Unit Info */
+ .2byte 0x2 /* DWARF version number */
+ .4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
+ .byte 0x8 /* Pointer Size (in bytes) */
+ .uleb128 0x1 /* (DIE (0xb) DW_TAG_compile_unit) */
+ .4byte .LASF3 /* DW_AT_producer: "GNU C 4.7.3 20121109 (prerelease)" */
+ .byte 0x1 /* DW_AT_language */
+ .4byte .LASF4 /* DW_AT_name: "gdb.base/longest-types-64bit.c" */
+ .4byte .LASF5 /* DW_AT_comp_dir: "" */
+ .4byte .Ldebug_line0 /* DW_AT_stmt_list */
+ .uleb128 0x2 /* (DIE (0x1d) DW_TAG_structure_type) */
+ .ascii "foo\0" /* DW_AT_name */
+ .4byte 0xff000002 /* DW_AT_byte_size */
+ .byte 0x1 /* DW_AT_decl_file (gdb.base/longest-types-64bit.c) */
+ .byte 0x12 /* DW_AT_decl_line */
+ .4byte 0x4e /* DW_AT_sibling */
+ .uleb128 0x3 /* (DIE (0x2c) DW_TAG_member) */
+ .ascii "buf\0" /* DW_AT_name */
+ .byte 0x1 /* DW_AT_decl_file (gdb.base/longest-types-64bit.c) */
+ .byte 0x14 /* DW_AT_decl_line */
+ .4byte 0x4e /* DW_AT_type */
+ .byte 0x2 /* DW_AT_data_member_location */
+ .byte 0x23 /* DW_OP_plus_uconst */
+ .uleb128 0
+ .uleb128 0x4 /* (DIE (0x3a) DW_TAG_member) */
+ .4byte .LASF0 /* DW_AT_name: "buf2" */
+ .byte 0x1 /* DW_AT_decl_file (gdb.base/longest-types-64bit.c) */
+ .byte 0x15 /* DW_AT_decl_line */
+ .4byte 0x73 /* DW_AT_type */
+ .byte 0x7 /* DW_AT_data_member_location */
+ .byte 0x23 /* DW_OP_plus_uconst */
+ .uleb128 0xffff000000
+ .byte 0 /* end of children of DIE 0x1d */
+ .uleb128 0x5 /* (DIE (0x4e) DW_TAG_array_type) */
+ .4byte 0x6c /* DW_AT_type */
+ .4byte 0x65 /* DW_AT_sibling */
+ .uleb128 0x6 /* (DIE (0x57) DW_TAG_subrange_type) */
+ .4byte 0x65 /* DW_AT_type */
+ .quad 0xfffeffffff /* DW_AT_upper_bound */
+ .byte 0 /* end of children of DIE 0x4e */
+ .uleb128 0x7 /* (DIE (0x65) DW_TAG_base_type) */
+ .byte 0x8 /* DW_AT_byte_size */
+ .byte 0x7 /* DW_AT_encoding */
+ .4byte .LASF1 /* DW_AT_name: "sizetype" */
+ .uleb128 0x7 /* (DIE (0x6c) DW_TAG_base_type) */
+ .byte 0x1 /* DW_AT_byte_size */
+ .byte 0x6 /* DW_AT_encoding */
+ .4byte .LASF2 /* DW_AT_name: "char" */
+ .uleb128 0x5 /* (DIE (0x73) DW_TAG_array_type) */
+ .4byte 0x6c /* DW_AT_type */
+ .4byte 0x83 /* DW_AT_sibling */
+ .uleb128 0x8 /* (DIE (0x7c) DW_TAG_subrange_type) */
+ .4byte 0x65 /* DW_AT_type */
+ .byte 0x1 /* DW_AT_upper_bound */
+ .byte 0 /* end of children of DIE 0x73 */
+ .uleb128 0x9 /* (DIE (0x83) DW_TAG_variable) */
+ .ascii "f\0" /* DW_AT_name */
+ .byte 0x1 /* DW_AT_decl_file (gdb.base/longest-types-64bit.c) */
+ .byte 0x16 /* DW_AT_decl_line */
+ .4byte 0x97 /* DW_AT_type */
+ .byte 0x1 /* DW_AT_external */
+ .byte 0x9 /* DW_AT_location */
+ .byte 0x3 /* DW_OP_addr */
+ .quad f
+ .uleb128 0xa /* (DIE (0x97) DW_TAG_pointer_type) */
+ .byte 0x8 /* DW_AT_byte_size */
+ .4byte 0x1d /* DW_AT_type */
+ .byte 0 /* end of children of DIE 0xb */
+ .section .debug_abbrev,"",@progbits
+.Ldebug_abbrev0:
+ .uleb128 0x1 /* (abbrev code) */
+ .uleb128 0x11 /* (TAG: DW_TAG_compile_unit) */
+ .byte 0x1 /* DW_children_yes */
+ .uleb128 0x25 /* (DW_AT_producer) */
+ .uleb128 0xe /* (DW_FORM_strp) */
+ .uleb128 0x13 /* (DW_AT_language) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3 /* (DW_AT_name) */
+ .uleb128 0xe /* (DW_FORM_strp) */
+ .uleb128 0x1b /* (DW_AT_comp_dir) */
+ .uleb128 0xe /* (DW_FORM_strp) */
+ .uleb128 0x10 /* (DW_AT_stmt_list) */
+ .uleb128 0x6 /* (DW_FORM_data4) */
+ .byte 0
+ .byte 0
+ .uleb128 0x2 /* (abbrev code) */
+ .uleb128 0x13 /* (TAG: DW_TAG_structure_type) */
+ .byte 0x1 /* DW_children_yes */
+ .uleb128 0x3 /* (DW_AT_name) */
+ .uleb128 0x8 /* (DW_FORM_string) */
+ .uleb128 0xb /* (DW_AT_byte_size) */
+ .uleb128 0x6 /* (DW_FORM_data4) */
+ .uleb128 0x3a /* (DW_AT_decl_file) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3b /* (DW_AT_decl_line) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x1 /* (DW_AT_sibling) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .byte 0
+ .byte 0
+ .uleb128 0x3 /* (abbrev code) */
+ .uleb128 0xd /* (TAG: DW_TAG_member) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0x3 /* (DW_AT_name) */
+ .uleb128 0x8 /* (DW_FORM_string) */
+ .uleb128 0x3a /* (DW_AT_decl_file) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3b /* (DW_AT_decl_line) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .uleb128 0x38 /* (DW_AT_data_member_location) */
+ .uleb128 0xa /* (DW_FORM_block1) */
+ .byte 0
+ .byte 0
+ .uleb128 0x4 /* (abbrev code) */
+ .uleb128 0xd /* (TAG: DW_TAG_member) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0x3 /* (DW_AT_name) */
+ .uleb128 0xe /* (DW_FORM_strp) */
+ .uleb128 0x3a /* (DW_AT_decl_file) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3b /* (DW_AT_decl_line) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .uleb128 0x38 /* (DW_AT_data_member_location) */
+ .uleb128 0xa /* (DW_FORM_block1) */
+ .byte 0
+ .byte 0
+ .uleb128 0x5 /* (abbrev code) */
+ .uleb128 0x1 /* (TAG: DW_TAG_array_type) */
+ .byte 0x1 /* DW_children_yes */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .uleb128 0x1 /* (DW_AT_sibling) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .byte 0
+ .byte 0
+ .uleb128 0x6 /* (abbrev code) */
+ .uleb128 0x21 /* (TAG: DW_TAG_subrange_type) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .uleb128 0x2f /* (DW_AT_upper_bound) */
+ .uleb128 0x7 /* (DW_FORM_data8) */
+ .byte 0
+ .byte 0
+ .uleb128 0x7 /* (abbrev code) */
+ .uleb128 0x24 /* (TAG: DW_TAG_base_type) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0xb /* (DW_AT_byte_size) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3e /* (DW_AT_encoding) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3 /* (DW_AT_name) */
+ .uleb128 0xe /* (DW_FORM_strp) */
+ .byte 0
+ .byte 0
+ .uleb128 0x8 /* (abbrev code) */
+ .uleb128 0x21 /* (TAG: DW_TAG_subrange_type) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .uleb128 0x2f /* (DW_AT_upper_bound) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .byte 0
+ .byte 0
+ .uleb128 0x9 /* (abbrev code) */
+ .uleb128 0x34 /* (TAG: DW_TAG_variable) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0x3 /* (DW_AT_name) */
+ .uleb128 0x8 /* (DW_FORM_string) */
+ .uleb128 0x3a /* (DW_AT_decl_file) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x3b /* (DW_AT_decl_line) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .uleb128 0x3f /* (DW_AT_external) */
+ .uleb128 0xc /* (DW_FORM_flag) */
+ .uleb128 0x2 /* (DW_AT_location) */
+ .uleb128 0xa /* (DW_FORM_block1) */
+ .byte 0
+ .byte 0
+ .uleb128 0xa /* (abbrev code) */
+ .uleb128 0xf /* (TAG: DW_TAG_pointer_type) */
+ .byte 0 /* DW_children_no */
+ .uleb128 0xb /* (DW_AT_byte_size) */
+ .uleb128 0xb /* (DW_FORM_data1) */
+ .uleb128 0x49 /* (DW_AT_type) */
+ .uleb128 0x13 /* (DW_FORM_ref4) */
+ .byte 0
+ .byte 0
+ .byte 0
+ .section .debug_aranges,"",@progbits
+ .4byte 0x1c /* Length of Address Ranges Info */
+ .2byte 0x2 /* DWARF Version */
+ .4byte .Ldebug_info0 /* Offset of Compilation Unit Info */
+ .byte 0x8 /* Size of Address */
+ .byte 0 /* Size of Segment Descriptor */
+ .2byte 0 /* Pad to 16 byte boundary */
+ .2byte 0
+ .quad 0
+ .quad 0
+ .section .debug_line,"",@progbits
+.Ldebug_line0:
+ .section .debug_str,"MS",@progbits,1
+.LASF4:
+ .string "gdb.base/longest-types-64bit.c"
+.LASF3:
+ .string "GNU C 4.7.3 20121109 (prerelease)"
+.LASF0:
+ .string "buf2"
+.LASF1:
+ .string "sizetype"
+.LASF5:
+ .string ""
+.LASF2:
+ .string "char"
+ .ident "GCC: (GNU) 4.7.3 20121109 (prerelease)"
+ .section .note.GNU-stack,"",@progbits
diff --git a/gdb/testsuite/gdb.base/longest-types-64bit.bz2.uu b/gdb/testsuite/gdb.base/longest-types-64bit.bz2.uu
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/longest-types-64bit.bz2.uu
@@ -0,0 +1,67 @@
+begin 755 gdb.base/longest-types-64bit.bz2
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+`
+end
diff --git a/gdb/testsuite/gdb.base/longest-types-64bit.c b/gdb/testsuite/gdb.base/longest-types-64bit.c
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/longest-types-64bit.c
@@ -0,0 +1,28 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2012 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+struct foo
+{
+ char buf[0xffff000000];
+ char buf2[2];
+} *f;
+
+int
+main (void)
+{
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.base/longest-types-64bit.exp b/gdb/testsuite/gdb.base/longest-types-64bit.exp
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.base/longest-types-64bit.exp
@@ -0,0 +1,59 @@
+# This testcase is part of GDB, the GNU debugger.
+
+# Copyright 2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+standard_testfile .c longest-types-64bit.S
+
+proc test { name } { with_test_prefix $name {
+ # 64-bit array size should not overflow
+ gdb_test "print &f->buf" {= \(char \(\*\)\[1099494850560\]\) 0x0}
+
+ # The offset should not overflow
+ gdb_test "print &f->buf2" {= \(char \(\*\)\[2\]\) 0xffff000000}
+}}
+
+
+# Test 64-bit file first as it is not compiled so its compilation never fails.
+
+set file64bitbz2uu ${srcdir}/${subdir}/${testfile}.bz2.uu
+set file64bit [standard_output_file ${testfile}]
+
+if {[catch "system \"uudecode -o - ${file64bitbz2uu} | bzip2 -dc >${file64bit}\""] != 0} {
+ untested "failed uudecode or bzip2"
+ return -1
+}
+file stat ${file64bit} file64bitstat
+if {$file64bitstat(size) != 9501} {
+ untested "uudecode or bzip2 produce invalid result"
+ return -1
+}
+
+clean_restart ${file64bit}
+
+#if { [prepare_for_testing ${testfile}.exp ${testfile} $srcfile2 {nodebug}] } {
+# return -1
+#}
+
+test "64bit"
+
+
+# And here is the native build test.
+
+if { [prepare_for_testing ${testfile}.exp ${testfile} $srcfile {debug quiet}] } {
+ return -1
+}
+
+test "native"
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