gdb-rhbz795424-bitpos-lazyvalue.patch

ivanivanov884 · jeffmahoney · commit 7902f87924c2 · 2019-04-14T00:01:31.000-04:00
;; 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
@@ -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
@@ -0,0 +1,67 @@
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+MC42)B96\1-.O_I).K7)X]W>EQ):4C(XB*+:S%0_37D^EBP+1HU(D?3"%_O2R
+M6-#X>AU#<$*!/,W6QC^;O^%]LR&_X'<8X$<3CUU_QFAJ;">H)2443GD4W!4#
+?<55!2^6_8J$)-O<>\H0U/6Q^>UG0%W)%.%"0P>X.^@``
+`
+end
diff --git a/gdb/testsuite/gdb.base/longest-types-64bit.c 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
