From: nobody <> Date: Wed, 22 Sep 2010 15:49:00 +0000 (+0000) Subject: This commit was manufactured by cvs2svn to create branch 'gdb_7_2-branch'. X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46d75c70f498a6be44478d027198869d2e665a0a;p=thirdparty%2Fbinutils-gdb.git This commit was manufactured by cvs2svn to create branch 'gdb_7_2-branch'. Cherrypick from master 2010-09-22 15:48:59 UTC Sami Wagiaalla 'Fix PR 12028: "GDB crashes on a double free during overload resolution "': gdb/testsuite/gdb.cp/pr12028.cc gdb/testsuite/gdb.cp/pr12028.exp gdb/testsuite/gdb.mi/dw2-ref-missing-frame-func.c gdb/testsuite/gdb.mi/dw2-ref-missing-frame-main.c gdb/testsuite/gdb.mi/dw2-ref-missing-frame.S gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp --- diff --git a/gdb/testsuite/gdb.cp/pr12028.cc b/gdb/testsuite/gdb.cp/pr12028.cc new file mode 100644 index 00000000000..0fcab6b1e93 --- /dev/null +++ b/gdb/testsuite/gdb.cp/pr12028.cc @@ -0,0 +1,21 @@ +class A{}; +class B{}; +class C: public B {}; + +namespace D{ + int foo (A) { return 11; } + int foo (C) { return 12; } +} + +int main() +{ + A a; + B b; + C c; + + D::foo (a); + // D::foo (b); + D::foo (c); + + return 0; +} diff --git a/gdb/testsuite/gdb.cp/pr12028.exp b/gdb/testsuite/gdb.cp/pr12028.exp new file mode 100644 index 00000000000..746c6b5610e --- /dev/null +++ b/gdb/testsuite/gdb.cp/pr12028.exp @@ -0,0 +1,29 @@ +# Copyright 2008 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 . + +set testfile pr12028 +set srcfile ${testfile}.cc +if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug c++}] } { + return -1 +} + +############################################ + +if ![runto_main] then { + perror "couldn't run to breakpoint main" + continue +} + +gdb_test "p D::foo(b)" "Cannot resolve function foo to any overloaded instance" diff --git a/gdb/testsuite/gdb.mi/dw2-ref-missing-frame-func.c b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame-func.c new file mode 100644 index 00000000000..10ddd81aa69 --- /dev/null +++ b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame-func.c @@ -0,0 +1,54 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2010 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 . */ + +asm (".globl cu_text_start"); +asm ("cu_text_start:"); + +asm (".globl func_nofb_start"); +asm ("func_nofb_start:"); + +void +func_nofb (void) +{ + /* int func_nofb_var; */ + /* int func_nofb_var2; */ + + extern void func_nofb_marker (void); + func_nofb_marker (); +} + +asm (".globl func_nofb_end"); +asm ("func_nofb_end:"); + +asm (".globl func_loopfb_start"); +asm ("func_loopfb_start:"); + +void +func_loopfb (void) +{ + /* int func_loopfb_var; */ + /* int func_loopfb_var2; */ + + extern void func_loopfb_marker (void); + func_loopfb_marker (); +} + +asm (".globl func_loopfb_end"); +asm ("func_loopfb_end:"); + +asm (".globl cu_text_end"); +asm ("cu_text_end:"); diff --git a/gdb/testsuite/gdb.mi/dw2-ref-missing-frame-main.c b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame-main.c new file mode 100644 index 00000000000..b3ec33aa00a --- /dev/null +++ b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame-main.c @@ -0,0 +1,40 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2009, 2010 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 . */ + +extern void func_nofb (void); +extern void func_loopfb (void); + +void +func_nofb_marker (void) +{ +} + +void +func_loopfb_marker (void) +{ +} + +int +main (void) +{ + int main_var = 1; + + func_nofb (); + func_loopfb (); + + return 0; +} diff --git a/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.S b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.S new file mode 100644 index 00000000000..a93b3a6b656 --- /dev/null +++ b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.S @@ -0,0 +1,165 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2007, 2008, 2009, 2010 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 . */ + +/* Debug information */ + + .section .debug_info +.Lcu1_begin: + /* CU header */ + .4byte .Lcu1_end - .Lcu1_start /* Length of Compilation Unit */ +.Lcu1_start: + .2byte 2 /* DWARF Version */ + .4byte .Labbrev1_begin /* Offset into abbrev section */ + .byte 4 /* Pointer size */ + + /* CU die */ + .uleb128 1 /* Abbrev: DW_TAG_compile_unit */ + .4byte cu_text_end /* DW_AT_high_pc */ + .4byte cu_text_start /* DW_AT_low_pc */ + .ascii "file1.txt\0" /* DW_AT_name */ + .ascii "GNU C 3.3.3\0" /* DW_AT_producer */ + .byte 1 /* DW_AT_language (C) */ + +.Ltype_int: + .uleb128 3 /* Abbrev: DW_TAG_base_type */ + .ascii "int\0" /* DW_AT_name */ + .byte 4 /* DW_AT_byte_size */ + .byte 5 /* DW_AT_encoding */ + + /* func_nofb */ + .uleb128 5 /* Abbrev: DW_TAG_subprogram (no fb) */ + .ascii "func_nofb\0" /* DW_AT_name */ + .4byte func_nofb_start /* DW_AT_low_pc */ + .4byte func_nofb_end /* DW_AT_high_pc */ + + .uleb128 7 /* Abbrev: DW_TAG_variable (location) */ + .ascii "func_nofb_var\0" /* DW_AT_name */ + .byte 2f - 1f /* DW_AT_location */ +1: .byte 0x91 /* DW_OP_fbreg */ + .sleb128 0 /* 0 */ +2: .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */ + + .uleb128 7 /* Abbrev: DW_TAG_variable (location) */ + .ascii "func_nofb_var2\0" /* DW_AT_name */ + .byte 2f - 1f /* DW_AT_location */ +1: .byte 0x91 /* DW_OP_fbreg */ + .sleb128 0 /* 0 */ +2: .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */ + + .byte 0 /* End of children of func */ + + /* func_loopfb */ + .uleb128 6 /* Abbrev: DW_TAG_subprogram (loop fb) */ + .ascii "func_loopfb\0" /* DW_AT_name */ + .4byte func_loopfb_start /* DW_AT_low_pc */ + .4byte func_loopfb_end /* DW_AT_high_pc */ + .byte 2f - 1f /* DW_AT_frame_base */ +1: .byte 0x91 /* DW_OP_fbreg */ + .sleb128 0 /* 0 */ +2: + + .uleb128 7 /* Abbrev: DW_TAG_variable (location) */ + .ascii "func_loopfb_var\0" /* DW_AT_name */ + .byte 2f - 1f /* DW_AT_location */ +1: .byte 0x91 /* DW_OP_fbreg */ + .sleb128 0 /* 0 */ +2: .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */ + + .uleb128 7 /* Abbrev: DW_TAG_variable (location) */ + .ascii "func_loopfb_var2\0" /* DW_AT_name */ + .byte 2f - 1f /* DW_AT_location */ +1: .byte 0x91 /* DW_OP_fbreg */ + .sleb128 0 /* 0 */ +2: .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */ + + .byte 0 /* End of children of func */ + + .byte 0 /* End of children of CU */ + +.Lcu1_end: + +/* Abbrev table */ + .section .debug_abbrev +.Labbrev1_begin: + .uleb128 1 /* Abbrev code */ + .uleb128 0x11 /* DW_TAG_compile_unit */ + .byte 1 /* has_children */ + .uleb128 0x12 /* DW_AT_high_pc */ + .uleb128 0x1 /* DW_FORM_addr */ + .uleb128 0x11 /* DW_AT_low_pc */ + .uleb128 0x1 /* DW_FORM_addr */ + .uleb128 0x3 /* DW_AT_name */ + .uleb128 0x8 /* DW_FORM_string */ + .uleb128 0x25 /* DW_AT_producer */ + .uleb128 0x8 /* DW_FORM_string */ + .uleb128 0x13 /* DW_AT_language */ + .uleb128 0xb /* DW_FORM_data1 */ + .byte 0x0 /* Terminator */ + .byte 0x0 /* Terminator */ + + .uleb128 3 /* Abbrev code */ + .uleb128 0x24 /* DW_TAG_base_type */ + .byte 0 /* has_children */ + .uleb128 0x3 /* DW_AT_name */ + .uleb128 0x8 /* DW_FORM_string */ + .uleb128 0xb /* DW_AT_byte_size */ + .uleb128 0xb /* DW_FORM_data1 */ + .uleb128 0x3e /* DW_AT_encoding */ + .uleb128 0xb /* DW_FORM_data1 */ + .byte 0x0 /* Terminator */ + .byte 0x0 /* Terminator */ + + .uleb128 5 /* Abbrev code */ + .uleb128 0x2e /* DW_TAG_subprogram (no fb) */ + .byte 1 /* has_children */ + .uleb128 0x3 /* DW_AT_name */ + .uleb128 0x8 /* DW_FORM_string */ + .uleb128 0x11 /* DW_AT_low_pc */ + .uleb128 0x1 /* DW_FORM_addr */ + .uleb128 0x12 /* DW_AT_high_pc */ + .uleb128 0x1 /* DW_FORM_addr */ + .byte 0x0 /* Terminator */ + .byte 0x0 /* Terminator */ + + .uleb128 6 /* Abbrev code */ + .uleb128 0x2e /* DW_TAG_subprogram (loop fb) */ + .byte 1 /* has_children */ + .uleb128 0x3 /* DW_AT_name */ + .uleb128 0x8 /* DW_FORM_string */ + .uleb128 0x11 /* DW_AT_low_pc */ + .uleb128 0x1 /* DW_FORM_addr */ + .uleb128 0x12 /* DW_AT_high_pc */ + .uleb128 0x1 /* DW_FORM_addr */ + .uleb128 0x40 /* DW_AT_frame_base */ + .uleb128 0xa /* DW_FORM_block1 */ + .byte 0x0 /* Terminator */ + .byte 0x0 /* Terminator */ + + .uleb128 7 /* Abbrev code (location) */ + .uleb128 0x34 /* DW_TAG_variable */ + .byte 0 /* has_children */ + .uleb128 0x3 /* DW_AT_name */ + .uleb128 0x8 /* DW_FORM_string */ + .uleb128 0x2 /* DW_AT_location */ + .uleb128 0xa /* DW_FORM_block1 */ + .uleb128 0x49 /* DW_AT_type */ + .uleb128 0x13 /* DW_FORM_ref4 */ + .byte 0x0 /* Terminator */ + .byte 0x0 /* Terminator */ + + .byte 0x0 /* Terminator */ + .byte 0x0 /* Terminator */ diff --git a/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp new file mode 100644 index 00000000000..cd29de51f3b --- /dev/null +++ b/gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp @@ -0,0 +1,77 @@ +# Copyright 2008, 2009, 2010 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 . + +# This test can only be run on targets which support DWARF-2 and use gas. +# For now pick a sampling of likely targets. +load_lib mi-support.exp +set MIFLAGS "-i=mi" + +if {![istarget *-*-linux*] + && ![istarget *-*-gnu*] + && ![istarget *-*-elf*] + && ![istarget *-*-openbsd*] + && ![istarget arm-*-eabi*] + && ![istarget powerpc-*-eabi*]} { + return 0 +} + +set testfile "dw2-ref-missing-frame" +set srcsfile ${testfile}.S +set objsfile ${objdir}/${subdir}/${testfile}.o +set srcfuncfile ${testfile}-func.c +set objfuncfile ${objdir}/${subdir}/${testfile}-func.o +set srcmainfile ${testfile}-main.c +set objmainfile ${objdir}/${subdir}/${testfile}-main.o +set executable ${testfile} +set binfile ${objdir}/${subdir}/${executable} + +if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != "" + || [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != "" + || [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != "" + || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } { + return -1 +} + +if [mi_gdb_start] { + continue +} + +mi_delete_breakpoints +mi_gdb_reinitialize_dir $srcdir/$subdir +mi_gdb_load ${binfile} + +if [mi_runto func_nofb_marker] { + # First try referencing DW_AT_frame_base which is not defined. + mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \ + "300\\^done,locals=\\\[\{name=\"func_nofb_var\",value=\"\\\\"\},\{name=\"func_nofb_var2\",value=\"\\\\"\}\\\].*" \ + "test func_nofb_marker" +} + +# GDB could have crashed. +mi_gdb_exit +if [mi_gdb_start] { + continue +} +mi_delete_breakpoints +mi_gdb_reinitialize_dir $srcdir/$subdir +mi_gdb_load ${binfile} + +# And now try referencing DW_AT_frame_base defined using a self-reference +# (DW_OP_fbreg). +if [mi_runto func_loopfb_marker] { + mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \ + "301\\^done,locals=\\\[\{name=\"func_loopfb_var\",value=\"\\\