From c0621699ffdbeea387ea37a90258939540b26424 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Fri, 22 Nov 2013 19:18:28 +0000 Subject: Rename gdb.dwarf2/dw2-bad-cfi.* to gdb.dwarf2/dw2-unspecified-ret-addr.*. gdb/testsuite/ 2013-11-22 Pedro Alves * gdb.dwarf2/dw2-bad-cfi.S: Rename to ... * gdb.dwarf2/dw2-unspecified-ret-addr.S: ... this. Adjust. * gdb.dwarf2/dw2-bad-cfi.c: Rename to ... * gdb.dwarf2/dw2-unspecified-ret-addr.c: ... this. * gdb.dwarf2/dw2-bad-cfi.exp: Rename to ... * gdb.dwarf2/dw2-unspecified-ret-addr.exp: ... this. --- gdb/testsuite/ChangeLog | 9 + gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S | 217 --------------------- gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.c | 28 --- gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.exp | 42 ---- .../gdb.dwarf2/dw2-unspecified-ret-addr.S | 217 +++++++++++++++++++++ .../gdb.dwarf2/dw2-unspecified-ret-addr.c | 28 +++ .../gdb.dwarf2/dw2-unspecified-ret-addr.exp | 42 ++++ 7 files changed, 296 insertions(+), 287 deletions(-) delete mode 100644 gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S delete mode 100644 gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.c delete mode 100644 gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.exp create mode 100644 gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.S create mode 100644 gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.c create mode 100644 gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.exp (limited to 'gdb/testsuite') diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index e8bdc10..37537bc 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,12 @@ +2013-11-22 Pedro Alves + + * gdb.dwarf2/dw2-bad-cfi.S: Rename to ... + * gdb.dwarf2/dw2-unspecified-ret-addr.S: ... this. Adjust. + * gdb.dwarf2/dw2-bad-cfi.c: Rename to ... + * gdb.dwarf2/dw2-unspecified-ret-addr.c: ... this. + * gdb.dwarf2/dw2-bad-cfi.exp: Rename to ... + * gdb.dwarf2/dw2-unspecified-ret-addr.exp: ... this. + 2013-11-22 Tom Tromey * gdb.dwarf2/dw2-bad-cfi.S: Update comment. diff --git a/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S b/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S deleted file mode 100644 index ab3a967..0000000 --- a/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S +++ /dev/null @@ -1,217 +0,0 @@ -# This file was created by running dw2-bad-cfi.c -# through 'gcc -g -dA -S', and then hand-editing -# the CFI in "callee" to suit. - - .file "dw2-bad-cfi.c" - .text -.Ltext0: - .globl callee - .type callee, @function -callee: -.LFB0: - .file 1 "dw2-bad-cfi.c" - # dw2-bad-cfi.c:20 - .loc 1 20 0 - .cfi_startproc -# BLOCK 2 seq:0 -# PRED: ENTRY (fallthru) - pushq %rbp -/* - .cfi_def_cfa_offset 16 - .cfi_offset 6, -16 -*/ - movq %rsp, %rbp -/* .cfi_def_cfa_register 6 */ - # dw2-bad-cfi.c:21 - .loc 1 21 0 - popq %rbp -/* .cfi_def_cfa 7, 8 */ - /* The bug we introduce is that the return address column is - unspecified. In this case, there is no way to unwind. */ - .cfi_undefined 6 - .cfi_return_column 6 -# SUCC: EXIT [100.0%] - ret - .cfi_endproc -.LFE0: - .size callee, .-callee - .globl main - .type main, @function -main: -.LFB1: - # dw2-bad-cfi.c:25 - .loc 1 25 0 - .cfi_startproc -# BLOCK 2 seq:0 -# PRED: ENTRY (fallthru) - pushq %rbp - .cfi_def_cfa_offset 16 - .cfi_offset 6, -16 - movq %rsp, %rbp - .cfi_def_cfa_register 6 - # dw2-bad-cfi.c:26 - .loc 1 26 0 - call callee - # dw2-bad-cfi.c:27 - .loc 1 27 0 - movl $0, %eax - # dw2-bad-cfi.c:28 - .loc 1 28 0 - popq %rbp - .cfi_def_cfa 7, 8 -# SUCC: EXIT [100.0%] - ret - .cfi_endproc -.LFE1: - .size main, .-main -.Letext0: - .section .debug_info,"",@progbits -.Ldebug_info0: - .long 0x67 # Length of Compilation Unit Info - .value 0x4 # DWARF version number - .long .Ldebug_abbrev0 # Offset Into Abbrev. Section - .byte 0x8 # Pointer Size (in bytes) - .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) - .long .LASF0 # DW_AT_producer: "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g" - .byte 0x1 # DW_AT_language - .long .LASF1 # DW_AT_name: "dw2-bad-cfi.c" - .long .LASF2 # DW_AT_comp_dir: "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2" - .quad .Ltext0 # DW_AT_low_pc - .quad .Letext0 # DW_AT_high_pc - .long .Ldebug_line0 # DW_AT_stmt_list - .uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram) - # DW_AT_external - .long .LASF3 # DW_AT_name: "callee" - .byte 0x1 # DW_AT_decl_file (dw2-bad-cfi.c) - .byte 0x13 # DW_AT_decl_line - # DW_AT_prototyped - .quad .LFB0 # DW_AT_low_pc - .quad .LFE0 # DW_AT_high_pc - .uleb128 0x1 # DW_AT_frame_base - .byte 0x9c # DW_OP_call_frame_cfa - # DW_AT_GNU_all_call_sites - .uleb128 0x3 # (DIE (0x46) DW_TAG_subprogram) - # DW_AT_external - .long .LASF4 # DW_AT_name: "main" - .byte 0x1 # DW_AT_decl_file (dw2-bad-cfi.c) - .byte 0x18 # DW_AT_decl_line - # DW_AT_prototyped - .long 0x63 # DW_AT_type - .quad .LFB1 # DW_AT_low_pc - .quad .LFE1 # DW_AT_high_pc - .uleb128 0x1 # DW_AT_frame_base - .byte 0x9c # DW_OP_call_frame_cfa - # DW_AT_GNU_all_tail_call_sites - .uleb128 0x4 # (DIE (0x63) DW_TAG_base_type) - .byte 0x4 # DW_AT_byte_size - .byte 0x5 # DW_AT_encoding - .ascii "int\0" # DW_AT_name - .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 0x11 # (DW_AT_low_pc) - .uleb128 0x1 # (DW_FORM_addr) - .uleb128 0x12 # (DW_AT_high_pc) - .uleb128 0x1 # (DW_FORM_addr) - .uleb128 0x10 # (DW_AT_stmt_list) - .uleb128 0x17 # (DW_FORM_sec_offset) - .byte 0 - .byte 0 - .uleb128 0x2 # (abbrev code) - .uleb128 0x2e # (TAG: DW_TAG_subprogram) - .byte 0 # DW_children_no - .uleb128 0x3f # (DW_AT_external) - .uleb128 0x19 # (DW_FORM_flag_present) - .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 0x27 # (DW_AT_prototyped) - .uleb128 0x19 # (DW_FORM_flag_present) - .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 0x18 # (DW_FORM_exprloc) - .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) - .uleb128 0x19 # (DW_FORM_flag_present) - .byte 0 - .byte 0 - .uleb128 0x3 # (abbrev code) - .uleb128 0x2e # (TAG: DW_TAG_subprogram) - .byte 0 # DW_children_no - .uleb128 0x3f # (DW_AT_external) - .uleb128 0x19 # (DW_FORM_flag_present) - .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 0x27 # (DW_AT_prototyped) - .uleb128 0x19 # (DW_FORM_flag_present) - .uleb128 0x49 # (DW_AT_type) - .uleb128 0x13 # (DW_FORM_ref4) - .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 0x18 # (DW_FORM_exprloc) - .uleb128 0x2116 # (DW_AT_GNU_all_tail_call_sites) - .uleb128 0x19 # (DW_FORM_flag_present) - .byte 0 - .byte 0 - .uleb128 0x4 # (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 0x8 # (DW_FORM_string) - .byte 0 - .byte 0 - .byte 0 - .section .debug_aranges,"",@progbits - .long 0x2c # Length of Address Ranges Info - .value 0x2 # DWARF Version - .long .Ldebug_info0 # Offset of Compilation Unit Info - .byte 0x8 # Size of Address - .byte 0 # Size of Segment Descriptor - .value 0 # Pad to 16 byte boundary - .value 0 - .quad .Ltext0 # Address - .quad .Letext0-.Ltext0 # Length - .quad 0 - .quad 0 - .section .debug_line,"",@progbits -.Ldebug_line0: - .section .debug_str,"MS",@progbits,1 -.LASF3: - .string "callee" -.LASF1: - .string "dw2-bad-cfi.c" -.LASF2: - .string "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2" -.LASF4: - .string "main" -.LASF0: - .string "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g" - .ident "GCC: (GNU) 4.7.2 20121109 (Red Hat 4.7.2-8)" - .section .note.GNU-stack,"",@progbits diff --git a/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.c b/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.c deleted file mode 100644 index f5b415b..0000000 --- a/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.c +++ /dev/null @@ -1,28 +0,0 @@ -/* This testcase is part of GDB, the GNU debugger. - - 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 . */ - -void -callee (void) -{ -} - -int -main(void) -{ - callee (); - return 0; -} diff --git a/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.exp b/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.exp deleted file mode 100644 index 12b1275..0000000 --- a/gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.exp +++ /dev/null @@ -1,42 +0,0 @@ -# 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 . - -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_main] { - return -1 -} - -gdb_breakpoint "callee" -gdb_continue_to_breakpoint "callee" - -# This test ensures that the backtrace does not go past "callee". -gdb_test "bt" ".*callee .. at [file rootname $srcfile]\\.c:\[0-9\]*" diff --git a/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.S b/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.S new file mode 100644 index 0000000..d9c2809 --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.S @@ -0,0 +1,217 @@ +# This file was created by running dw2-unspecified-ret-addr.c +# through 'gcc -g -dA -S', and then hand-editing +# the CFI in "callee" to suit. + + .file "dw2-unspecified-ret-addr.c" + .text +.Ltext0: + .globl callee + .type callee, @function +callee: +.LFB0: + .file 1 "dw2-unspecified-ret-addr.c" + # dw2-unspecified-ret-addr.c:20 + .loc 1 20 0 + .cfi_startproc +# BLOCK 2 seq:0 +# PRED: ENTRY (fallthru) + pushq %rbp +/* + .cfi_def_cfa_offset 16 + .cfi_offset 6, -16 +*/ + movq %rsp, %rbp +/* .cfi_def_cfa_register 6 */ + # dw2-unspecified-ret-addr.c:21 + .loc 1 21 0 + popq %rbp +/* .cfi_def_cfa 7, 8 */ + /* The bug we introduce is that the return address column is + unspecified. In this case, there is no way to unwind. */ + .cfi_undefined 6 + .cfi_return_column 6 +# SUCC: EXIT [100.0%] + ret + .cfi_endproc +.LFE0: + .size callee, .-callee + .globl main + .type main, @function +main: +.LFB1: + # dw2-unspecified-ret-addr.c:25 + .loc 1 25 0 + .cfi_startproc +# BLOCK 2 seq:0 +# PRED: ENTRY (fallthru) + pushq %rbp + .cfi_def_cfa_offset 16 + .cfi_offset 6, -16 + movq %rsp, %rbp + .cfi_def_cfa_register 6 + # dw2-unspecified-ret-addr.c:26 + .loc 1 26 0 + call callee + # dw2-unspecified-ret-addr.c:27 + .loc 1 27 0 + movl $0, %eax + # dw2-unspecified-ret-addr.c:28 + .loc 1 28 0 + popq %rbp + .cfi_def_cfa 7, 8 +# SUCC: EXIT [100.0%] + ret + .cfi_endproc +.LFE1: + .size main, .-main +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .long 0x67 # Length of Compilation Unit Info + .value 0x4 # DWARF version number + .long .Ldebug_abbrev0 # Offset Into Abbrev. Section + .byte 0x8 # Pointer Size (in bytes) + .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) + .long .LASF0 # DW_AT_producer: "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g" + .byte 0x1 # DW_AT_language + .long .LASF1 # DW_AT_name: "dw2-unspecified-ret-addr.c" + .long .LASF2 # DW_AT_comp_dir: "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2" + .quad .Ltext0 # DW_AT_low_pc + .quad .Letext0 # DW_AT_high_pc + .long .Ldebug_line0 # DW_AT_stmt_list + .uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram) + # DW_AT_external + .long .LASF3 # DW_AT_name: "callee" + .byte 0x1 # DW_AT_decl_file (dw2-unspecified-ret-addr.c) + .byte 0x13 # DW_AT_decl_line + # DW_AT_prototyped + .quad .LFB0 # DW_AT_low_pc + .quad .LFE0 # DW_AT_high_pc + .uleb128 0x1 # DW_AT_frame_base + .byte 0x9c # DW_OP_call_frame_cfa + # DW_AT_GNU_all_call_sites + .uleb128 0x3 # (DIE (0x46) DW_TAG_subprogram) + # DW_AT_external + .long .LASF4 # DW_AT_name: "main" + .byte 0x1 # DW_AT_decl_file (dw2-unspecified-ret-addr.c) + .byte 0x18 # DW_AT_decl_line + # DW_AT_prototyped + .long 0x63 # DW_AT_type + .quad .LFB1 # DW_AT_low_pc + .quad .LFE1 # DW_AT_high_pc + .uleb128 0x1 # DW_AT_frame_base + .byte 0x9c # DW_OP_call_frame_cfa + # DW_AT_GNU_all_tail_call_sites + .uleb128 0x4 # (DIE (0x63) DW_TAG_base_type) + .byte 0x4 # DW_AT_byte_size + .byte 0x5 # DW_AT_encoding + .ascii "int\0" # DW_AT_name + .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 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x12 # (DW_AT_high_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x10 # (DW_AT_stmt_list) + .uleb128 0x17 # (DW_FORM_sec_offset) + .byte 0 + .byte 0 + .uleb128 0x2 # (abbrev code) + .uleb128 0x2e # (TAG: DW_TAG_subprogram) + .byte 0 # DW_children_no + .uleb128 0x3f # (DW_AT_external) + .uleb128 0x19 # (DW_FORM_flag_present) + .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 0x27 # (DW_AT_prototyped) + .uleb128 0x19 # (DW_FORM_flag_present) + .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 0x18 # (DW_FORM_exprloc) + .uleb128 0x2117 # (DW_AT_GNU_all_call_sites) + .uleb128 0x19 # (DW_FORM_flag_present) + .byte 0 + .byte 0 + .uleb128 0x3 # (abbrev code) + .uleb128 0x2e # (TAG: DW_TAG_subprogram) + .byte 0 # DW_children_no + .uleb128 0x3f # (DW_AT_external) + .uleb128 0x19 # (DW_FORM_flag_present) + .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 0x27 # (DW_AT_prototyped) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .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 0x18 # (DW_FORM_exprloc) + .uleb128 0x2116 # (DW_AT_GNU_all_tail_call_sites) + .uleb128 0x19 # (DW_FORM_flag_present) + .byte 0 + .byte 0 + .uleb128 0x4 # (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 0x8 # (DW_FORM_string) + .byte 0 + .byte 0 + .byte 0 + .section .debug_aranges,"",@progbits + .long 0x2c # Length of Address Ranges Info + .value 0x2 # DWARF Version + .long .Ldebug_info0 # Offset of Compilation Unit Info + .byte 0x8 # Size of Address + .byte 0 # Size of Segment Descriptor + .value 0 # Pad to 16 byte boundary + .value 0 + .quad .Ltext0 # Address + .quad .Letext0-.Ltext0 # Length + .quad 0 + .quad 0 + .section .debug_line,"",@progbits +.Ldebug_line0: + .section .debug_str,"MS",@progbits,1 +.LASF3: + .string "callee" +.LASF1: + .string "dw2-unspecified-ret-addr.c" +.LASF2: + .string "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2" +.LASF4: + .string "main" +.LASF0: + .string "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g" + .ident "GCC: (GNU) 4.7.2 20121109 (Red Hat 4.7.2-8)" + .section .note.GNU-stack,"",@progbits diff --git a/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.c b/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.c new file mode 100644 index 0000000..f5b415b --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.c @@ -0,0 +1,28 @@ +/* This testcase is part of GDB, the GNU debugger. + + 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 . */ + +void +callee (void) +{ +} + +int +main(void) +{ + callee (); + return 0; +} diff --git a/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.exp b/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.exp new file mode 100644 index 0000000..12b1275 --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-unspecified-ret-addr.exp @@ -0,0 +1,42 @@ +# 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 . + +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_main] { + return -1 +} + +gdb_breakpoint "callee" +gdb_continue_to_breakpoint "callee" + +# This test ensures that the backtrace does not go past "callee". +gdb_test "bt" ".*callee .. at [file rootname $srcfile]\\.c:\[0-9\]*" -- cgit v1.1