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gdb-rhbz795424-bitpos-lazyvalue.patch
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File gdb-rhbz795424-bitpos-lazyvalue.patch of Package gdb
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 +M0EIH.3%!62936<'N#OH`"G/________^______?_Y______//]7SQD5'^/_% 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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 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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