diff options
Diffstat (limited to 'gdb/testsuite')
| -rw-r--r-- | gdb/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.S | 508 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.c | 36 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp | 58 |
4 files changed, 608 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 14bf46c..52e7ddc 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2013-12-06 Pedro Alves <palves@redhat.com> + + * gdb.dwarf2/dw2-undefined-ret-addr.S: New file. + * gdb.dwarf2/dw2-undefined-ret-addr.c: New file. + * gdb.dwarf2/dw2-undefined-ret-addr.exp: New file. + 2013-12-06 Doug Evans <dje@google.com> * gdb.base/break.exp: Fix setting of $baz. diff --git a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.S b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.S new file mode 100644 index 0000000..fc92016 --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.S @@ -0,0 +1,508 @@ +/* + Copyright 2013 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/>. */ + + /* The FDE entry for "stop_frame" in the .debug_frame section has + been hand modified to mark the return address (rip) as undefined. + Otherwise this file is as generated by gcc 4.7.2 for x86_64. */ + .file "dw2-undefined-ret-addr.c" + .text +.Ltext0: + .globl stop_frame + .type stop_frame, @function +stop_frame: +.LFB0: + .file 1 "dw2-undefined-ret-addr.c" + .loc 1 19 0 + pushq %rbp +.LCFI0: + movq %rsp, %rbp +.LCFI1: + .loc 1 22 0 + popq %rbp +.LCFI2: + ret +.LFE0: + .size stop_frame, .-stop_frame + .globl first_frame + .type first_frame, @function +first_frame: +.LFB1: + .loc 1 26 0 + pushq %rbp +.LCFI3: + movq %rsp, %rbp +.LCFI4: + .loc 1 27 0 + movl $0, %eax + call stop_frame + .loc 1 28 0 + popq %rbp +.LCFI5: + ret +.LFE1: + .size first_frame, .-first_frame + .globl main + .type main, @function +main: +.LFB2: + .loc 1 32 0 + pushq %rbp +.LCFI6: + movq %rsp, %rbp +.LCFI7: + .loc 1 33 0 + movl $0, %eax + call first_frame + .loc 1 35 0 + movl $0, %eax + .loc 1 36 0 + popq %rbp +.LCFI8: + ret +.LFE2: + .size main, .-main + .section .debug_frame,"",@progbits +.Lframe0: + .long .LECIE0-.LSCIE0 +.LSCIE0: + .long 0xffffffff + .byte 0x1 + .string "" + .uleb128 0x1 + .sleb128 -8 + .byte 0x10 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .byte 0x90 + .uleb128 0x1 + .align 8 +.LECIE0: + /* This FDE entry, for stop_frame was modified to mark + registers 0 -> 6 as being undefined. */ +.LSFDE0: + .long .LEFDE0-.LASFDE0 +.LASFDE0: + .long .Lframe0 + .quad .LFB0 + .quad .LFE0-.LFB0 + + /* START OF NEW CONTENT. */ + .byte 0x7 /* DW_CFA_undefined */ + .uleb128 0x10 /* ULEB128 register */ + /* END OF NEW CONTENT. */ + + .byte 0x4 + .long .LCFI0-.LFB0 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI1-.LCFI0 + .byte 0xd + .uleb128 0x6 + .byte 0x4 + .long .LCFI2-.LCFI1 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .align 8 +.LEFDE0: +.LSFDE2: + .long .LEFDE2-.LASFDE2 +.LASFDE2: + .long .Lframe0 + .quad .LFB1 + .quad .LFE1-.LFB1 + .byte 0x4 + .long .LCFI3-.LFB1 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI4-.LCFI3 + .byte 0xd + .uleb128 0x6 + .byte 0x4 + .long .LCFI5-.LCFI4 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .align 8 +.LEFDE2: +.LSFDE4: + .long .LEFDE4-.LASFDE4 +.LASFDE4: + .long .Lframe0 + .quad .LFB2 + .quad .LFE2-.LFB2 + .byte 0x4 + .long .LCFI6-.LFB2 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI7-.LCFI6 + .byte 0xd + .uleb128 0x6 + .byte 0x4 + .long .LCFI8-.LCFI7 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .align 8 +.LEFDE4: + .section .eh_frame,"a",@progbits +.Lframe1: + .long .LECIE1-.LSCIE1 +.LSCIE1: + .long 0 + .byte 0x1 + .string "zR" + .uleb128 0x1 + .sleb128 -8 + .byte 0x10 + .uleb128 0x1 + .byte 0x3 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .byte 0x90 + .uleb128 0x1 + .align 8 +.LECIE1: +.LSFDE7: + .long .LEFDE7-.LASFDE7 +.LASFDE7: + .long .LASFDE7-.Lframe1 + .long .LFB0 + .long .LFE0-.LFB0 + .uleb128 0 + .byte 0x4 + .long .LCFI0-.LFB0 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI1-.LCFI0 + .byte 0xd + .uleb128 0x6 + .byte 0x4 + .long .LCFI2-.LCFI1 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .align 8 +.LEFDE7: +.LSFDE9: + .long .LEFDE9-.LASFDE9 +.LASFDE9: + .long .LASFDE9-.Lframe1 + .long .LFB1 + .long .LFE1-.LFB1 + .uleb128 0 + .byte 0x4 + .long .LCFI3-.LFB1 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI4-.LCFI3 + .byte 0xd + .uleb128 0x6 + .byte 0x4 + .long .LCFI5-.LCFI4 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .align 8 +.LEFDE9: +.LSFDE11: + .long .LEFDE11-.LASFDE11 +.LASFDE11: + .long .LASFDE11-.Lframe1 + .long .LFB2 + .long .LFE2-.LFB2 + .uleb128 0 + .byte 0x4 + .long .LCFI6-.LFB2 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI7-.LCFI6 + .byte 0xd + .uleb128 0x6 + .byte 0x4 + .long .LCFI8-.LCFI7 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .align 8 +.LEFDE11: + .text +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .long 0x8c + .value 0x2 + .long .Ldebug_abbrev0 + .byte 0x8 + .uleb128 0x1 + .long .LASF2 + .byte 0x1 + .long .LASF3 + .long .LASF4 + .quad .Ltext0 + .quad .Letext0 + .long .Ldebug_line0 + .uleb128 0x2 + .byte 0x1 + .long .LASF0 + .byte 0x1 + .byte 0x12 + .quad .LFB0 + .quad .LFE0 + .long .LLST0 + .byte 0x1 + .uleb128 0x3 + .byte 0x1 + .long .LASF1 + .byte 0x1 + .byte 0x19 + .quad .LFB1 + .quad .LFE1 + .long .LLST1 + .byte 0x1 + .uleb128 0x4 + .byte 0x1 + .long .LASF5 + .byte 0x1 + .byte 0x1f + .long 0x88 + .quad .LFB2 + .quad .LFE2 + .long .LLST2 + .byte 0x1 + .uleb128 0x5 + .byte 0x4 + .byte 0x5 + .string "int" + .byte 0 + .section .debug_abbrev,"",@progbits +.Ldebug_abbrev0: + .uleb128 0x1 + .uleb128 0x11 + .byte 0x1 + .uleb128 0x25 + .uleb128 0xe + .uleb128 0x13 + .uleb128 0xb + .uleb128 0x3 + .uleb128 0xe + .uleb128 0x1b + .uleb128 0xe + .uleb128 0x11 + .uleb128 0x1 + .uleb128 0x12 + .uleb128 0x1 + .uleb128 0x10 + .uleb128 0x6 + .byte 0 + .byte 0 + .uleb128 0x2 + .uleb128 0x2e + .byte 0 + .uleb128 0x3f + .uleb128 0xc + .uleb128 0x3 + .uleb128 0xe + .uleb128 0x3a + .uleb128 0xb + .uleb128 0x3b + .uleb128 0xb + .uleb128 0x11 + .uleb128 0x1 + .uleb128 0x12 + .uleb128 0x1 + .uleb128 0x40 + .uleb128 0x6 + .uleb128 0x2117 + .uleb128 0xc + .byte 0 + .byte 0 + .uleb128 0x3 + .uleb128 0x2e + .byte 0 + .uleb128 0x3f + .uleb128 0xc + .uleb128 0x3 + .uleb128 0xe + .uleb128 0x3a + .uleb128 0xb + .uleb128 0x3b + .uleb128 0xb + .uleb128 0x11 + .uleb128 0x1 + .uleb128 0x12 + .uleb128 0x1 + .uleb128 0x40 + .uleb128 0x6 + .uleb128 0x2116 + .uleb128 0xc + .byte 0 + .byte 0 + .uleb128 0x4 + .uleb128 0x2e + .byte 0 + .uleb128 0x3f + .uleb128 0xc + .uleb128 0x3 + .uleb128 0xe + .uleb128 0x3a + .uleb128 0xb + .uleb128 0x3b + .uleb128 0xb + .uleb128 0x49 + .uleb128 0x13 + .uleb128 0x11 + .uleb128 0x1 + .uleb128 0x12 + .uleb128 0x1 + .uleb128 0x40 + .uleb128 0x6 + .uleb128 0x2116 + .uleb128 0xc + .byte 0 + .byte 0 + .uleb128 0x5 + .uleb128 0x24 + .byte 0 + .uleb128 0xb + .uleb128 0xb + .uleb128 0x3e + .uleb128 0xb + .uleb128 0x3 + .uleb128 0x8 + .byte 0 + .byte 0 + .byte 0 + .section .debug_loc,"",@progbits +.Ldebug_loc0: +.LLST0: + .quad .LFB0-.Ltext0 + .quad .LCFI0-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 8 + .quad .LCFI0-.Ltext0 + .quad .LCFI1-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 16 + .quad .LCFI1-.Ltext0 + .quad .LCFI2-.Ltext0 + .value 0x2 + .byte 0x76 + .sleb128 16 + .quad .LCFI2-.Ltext0 + .quad .LFE0-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 8 + .quad 0 + .quad 0 +.LLST1: + .quad .LFB1-.Ltext0 + .quad .LCFI3-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 8 + .quad .LCFI3-.Ltext0 + .quad .LCFI4-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 16 + .quad .LCFI4-.Ltext0 + .quad .LCFI5-.Ltext0 + .value 0x2 + .byte 0x76 + .sleb128 16 + .quad .LCFI5-.Ltext0 + .quad .LFE1-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 8 + .quad 0 + .quad 0 +.LLST2: + .quad .LFB2-.Ltext0 + .quad .LCFI6-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 8 + .quad .LCFI6-.Ltext0 + .quad .LCFI7-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 16 + .quad .LCFI7-.Ltext0 + .quad .LCFI8-.Ltext0 + .value 0x2 + .byte 0x76 + .sleb128 16 + .quad .LCFI8-.Ltext0 + .quad .LFE2-.Ltext0 + .value 0x2 + .byte 0x77 + .sleb128 8 + .quad 0 + .quad 0 + .section .debug_aranges,"",@progbits + .long 0x2c + .value 0x2 + .long .Ldebug_info0 + .byte 0x8 + .byte 0 + .value 0 + .value 0 + .quad .Ltext0 + .quad .Letext0-.Ltext0 + .quad 0 + .quad 0 + .section .debug_line,"",@progbits +.Ldebug_line0: + .section .debug_str,"MS",@progbits,1 +.LASF0: + .string "stop_frame" +.LASF3: + .string "dw2-undefined-ret-addr.c" +.LASF2: + .string "GNU C 4.7.2" +.LASF1: + .string "first_frame" +.LASF5: + .string "main" +.LASF4: + .string "/home/username/src/gdb/testsuite/gdb.dwarf2" + .ident "GCC: (GNU) 4.7.2" + .section .note.GNU-stack,"",@progbits diff --git a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.c b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.c new file mode 100644 index 0000000..6c5b06a --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.c @@ -0,0 +1,36 @@ +/* + Copyright 2013 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/>. */ + +void +stop_frame () +{ + /* The debug information for this frame is modified in the accompanying + .S file, to mark the return address as undefined. */ +} + +void +first_frame () +{ + stop_frame (); +} + +int +main () +{ + first_frame (); + + return 0; +} diff --git a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp new file mode 100644 index 0000000..40ac356 --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp @@ -0,0 +1,58 @@ +# Copyright 2013 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/>. +load_lib dwarf.exp + +standard_testfile .S + +# This test can only be run on targets which support DWARF-2 and use gas. +if ![dwarf2_support] { + return 0 +} + +# This test can only be run on x86-64 targets. +if {![istarget x86_64-*] || ![is_lp64_target]} { + return 0 +} + +if {[prepare_for_testing "$testfile.exp" "$testfile" $srcfile {nodebug}]} { + return -1 +} + +if ![runto "stop_frame"] { + return -1 +} + +# stop_frame should be the outermost frame. + +# Check that backtrace shows only frame #0. +gdb_test "bt" "#0\[ \]\+stop_frame \[^\r\n\]\+" + +# And that "up" doesn't work. +gdb_test "up" \ + "Initial frame selected; you cannot go up\\." \ + "up refuses to go up" + +# "info frame" unwinds the PC for "saved ... = ". Make sure that +# doesn't cause an error, and shows "<not saved>". +gdb_test "info frame" [join [list \ + "Stack level 0, frame at $hex\:" \ + " rip = $hex in stop_frame \\(dw2-undefined-ret-addr\\.c:22\\); saved rip = <not saved>" \ + " Outermost frame: outermost" \ + " source language c\\." \ + " Arglist at $hex, args\: " \ + " Locals at $hex, Previous frame's sp is $hex" \ + " Saved registers\:" \ + " rbp at $hex.*" \ +] "\r\n"] |