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* [SCM] archer-jankratochvil-vla: New test for DW_AT_data_location accessed through DW_TAG_typedef intermediate.
@ 2009-01-07 16:21 jkratoch
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From: jkratoch @ 2009-01-07 16:21 UTC (permalink / raw)
To: archer-commits
The branch, archer-jankratochvil-vla has been updated
via 10215662672716867cba70dac7d5882c1542c4cc (commit)
from 2719d585732bfcbbd5d04a21d7db2514a75cbcb7 (commit)
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not appeared on any other notification email.
- Log -----------------------------------------------------------------
commit 10215662672716867cba70dac7d5882c1542c4cc
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Wed Jan 7 17:19:38 2009 +0100
New test for DW_AT_data_location accessed through DW_TAG_typedef intermediate.
- It FAILs for now as this feature is still not implemented.
Also fix/implement DW_AT_data_location for C style arrays (not used by gcc-c,
created only artificially).
-----------------------------------------------------------------------
Summary of changes:
gdb/findvar.c | 3 +-
gdb/testsuite/gdb.arch/x86_64-vla-typedef-foo.S | 455 +++++++++++++++++++++++
gdb/testsuite/gdb.arch/x86_64-vla-typedef.c | 43 +++
gdb/testsuite/gdb.arch/x86_64-vla-typedef.exp | 64 ++++
gdb/valarith.c | 6 +-
5 files changed, 568 insertions(+), 3 deletions(-)
create mode 100644 gdb/testsuite/gdb.arch/x86_64-vla-typedef-foo.S
create mode 100644 gdb/testsuite/gdb.arch/x86_64-vla-typedef.c
create mode 100644 gdb/testsuite/gdb.arch/x86_64-vla-typedef.exp
First 500 lines of diff:
diff --git a/gdb/findvar.c b/gdb/findvar.c
index f7af50f..7bee1cf 100644
--- a/gdb/findvar.c
+++ b/gdb/findvar.c
@@ -703,7 +703,8 @@ locate_var_value (struct symbol *var, struct frame_info *frame)
if (lazy_value == 0)
error (_("Address of \"%s\" is unknown."), SYMBOL_PRINT_NAME (var));
- if ((VALUE_LVAL (lazy_value) == lval_memory && value_lazy (lazy_value))
+ if ((VALUE_LVAL (lazy_value) == lval_memory && value_lazy (lazy_value)
+ && object_address_get_data (type, &VALUE_ADDRESS (lazy_value)))
|| TYPE_CODE (type) == TYPE_CODE_FUNC)
{
struct value *val;
diff --git a/gdb/testsuite/gdb.arch/x86_64-vla-typedef-foo.S b/gdb/testsuite/gdb.arch/x86_64-vla-typedef-foo.S
new file mode 100644
index 0000000..630422a
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/x86_64-vla-typedef-foo.S
@@ -0,0 +1,455 @@
+ .file "vla-typedef.c"
+ .section .debug_abbrev,"",@progbits
+.Ldebug_abbrev0:
+ .section .debug_info,"",@progbits
+.Ldebug_info0:
+ .section .debug_line,"",@progbits
+.Ldebug_line0:
+ .text
+.Ltext0:
+.globl foo
+ .type foo, @function
+foo:
+.LFB2:
+ .file 1 "vla-typedef.c"
+ .loc 1 22 0
+ pushq %rbp
+.LCFI0:
+ movq %rsp, %rbp
+.LCFI1:
+ subq $64, %rsp
+.LCFI2:
+ movl %edi, -36(%rbp)
+ .loc 1 22 0
+ movq %rsp, %rax
+ movq %rax, -48(%rbp)
+ .loc 1 23 0
+ movl -36(%rbp), %edx
+ movslq %edx,%rax
+ subq $1, %rax
+ movq %rax, -24(%rbp)
+ .loc 1 24 0
+ movslq %edx,%rax
+ addq $15, %rax
+ addq $15, %rax
+ shrq $4, %rax
+ salq $4, %rax
+ subq %rax, %rsp
+ movq %rsp, -56(%rbp)
+ movq -56(%rbp), %rax
+ addq $15, %rax
+ shrq $4, %rax
+ salq $4, %rax
+ movq %rax, -56(%rbp)
+ movq -56(%rbp), %rax
+ movq %rax, -16(%rbp)
+ .loc 1 27 0
+ movl $0, -4(%rbp)
+ jmp .L2
+.L3:
+ .loc 1 28 0
+ movl -4(%rbp), %esi
+ movl -4(%rbp), %eax
+ movl %eax, %ecx
+ movq -16(%rbp), %rdx
+ movslq %esi,%rax
+ movb %cl, (%rdx,%rax)
+ .loc 1 27 0
+ addl $1, -4(%rbp)
+.L2:
+ movl -4(%rbp), %eax
+ cmpl -36(%rbp), %eax
+ jl .L3
+ .loc 1 30 0
+ .globl break_here
+break_here:
+ movq -16(%rbp), %rax
+ movb $0, (%rax)
+ movq -48(%rbp), %rsp
+ .loc 1 31 0
+ leave
+ ret
+.LFE2:
+ .size foo, .-foo
+ .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:
+.LSFDE0:
+ .long .LEFDE0-.LASFDE0
+.LASFDE0:
+ .long .Lframe0
+ .quad .LFB2
+ .quad .LFE2-.LFB2
+ .byte 0x4
+ .long .LCFI0-.LFB2
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI1-.LCFI0
+ .byte 0xd
+ .uleb128 0x6
+ .align 8
+.LEFDE0:
+ .section .eh_frame,"a",@progbits
+.Lframe1:
+ .long .LECIE1-.LSCIE1
+.LSCIE1:
+ .long 0x0
+ .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:
+.LSFDE1:
+ .long .LEFDE1-.LASFDE1
+.LASFDE1:
+ .long .LASFDE1-.Lframe1
+ .long .LFB2
+ .long .LFE2-.LFB2
+ .uleb128 0x0
+ .byte 0x4
+ .long .LCFI0-.LFB2
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI1-.LCFI0
+ .byte 0xd
+ .uleb128 0x6
+ .align 8
+.LEFDE1:
+ .text
+.Letext0:
+ .section .debug_loc,"",@progbits
+.Ldebug_loc0:
+.LLST0:
+ .quad .LFB2-.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 .LFE2-.Ltext0
+ .value 0x2
+ .byte 0x76
+ .sleb128 16
+ .quad 0x0
+ .quad 0x0
+ .section .debug_info
+ .long .Ldebug_end - .Ldebug_start
+.Ldebug_start:
+ .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
+ .string "foo"
+ .byte 0x1
+ .byte 0x16
+ .byte 0x1
+ .quad .LFB2
+ .quad .LFE2
+ .long .LLST0
+ .long 0x83
+ .uleb128 0x3
+ .long .LASF5
+ .byte 0x1
+ .byte 0x15
+ .long 0x83
+ .byte 0x2
+ .byte 0x91
+ .sleb128 -52
+.Ltag_typedef:
+ .uleb128 0x4
+ .long .LASF6
+ .byte 0x1
+ .byte 0x17
+ .long .Ltag_array_type - .debug_info
+ .uleb128 0x5 /* Abbrev Number: 5 (DW_TAG_variable) */
+ .long .LASF0
+ .byte 0x1
+ .byte 0x18
+#if 1
+ .long .Ltag_typedef - .debug_info
+#else
+ /* Debugging only: Skip the typedef indirection. */
+ .long .Ltag_array_type - .debug_info
+#endif
+ /* DW_AT_location: DW_FORM_block1: start */
+ .byte 0x3
+ .byte 0x91
+ .sleb128 -32
+#if 0
+ .byte 0x6 /* DW_OP_deref */
+#else
+ .byte 0x96 /* DW_OP_nop */
+#endif
+ /* DW_AT_location: DW_FORM_block1: end */
+ .uleb128 0x6
+ .string "i"
+ .byte 0x1
+ .byte 0x19
+ .long 0x83
+ .byte 0x2
+ .byte 0x91
+ .sleb128 -20
+ .byte 0x0
+ .uleb128 0x7
+ .byte 0x4
+ .byte 0x5
+ .string "int"
+.Ltag_array_type:
+ .uleb128 0x8 /* Abbrev Number: 8 (DW_TAG_array_type) */
+ .long 0xa0 + (2f - 1f) /* DW_AT_type: DW_FORM_ref4 */
+ .long 0x9d + (2f - 1f) /* DW_AT_sibling: DW_FORM_ref4 */
+1: /* DW_AT_data_location: DW_FORM_block1: start */
+ .byte 2f - 3f /* length */
+3:
+ .byte 0x97 /* DW_OP_push_object_address */
+ .byte 0x6 /* DW_OP_deref */
+2: /* DW_AT_data_location: DW_FORM_block1: end */
+ .uleb128 0x9
+ .long 0x9d + (2b - 1b) /* DW_AT_type: DW_FORM_ref4 */
+ .byte 0x3
+ .byte 0x91
+ .sleb128 -40
+ .byte 0x6
+ .byte 0x0
+ .uleb128 0xa
+ .byte 0x8
+ .byte 0x7
+ .uleb128 0xb
+ .byte 0x1
+ .byte 0x6
+ .long .LASF1
+ .byte 0x0
+.Ldebug_end:
+ .section .debug_abbrev
+ .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 0x0
+ .byte 0x0
+ .uleb128 0x2
+ .uleb128 0x2e
+ .byte 0x1
+ .uleb128 0x3f
+ .uleb128 0xc
+ .uleb128 0x3
+ .uleb128 0x8
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x27
+ .uleb128 0xc
+ .uleb128 0x11
+ .uleb128 0x1
+ .uleb128 0x12
+ .uleb128 0x1
+ .uleb128 0x40
+ .uleb128 0x6
+ .uleb128 0x1
+ .uleb128 0x13
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0x5
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .uleb128 0x2
+ .uleb128 0xa
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x4
+ .uleb128 0x16
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x5
+ .uleb128 0x34
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .uleb128 0x2
+ .uleb128 0xa
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x6
+ .uleb128 0x34
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0x8
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .uleb128 0x2
+ .uleb128 0xa
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x7
+ .uleb128 0x24
+ .byte 0x0
+ .uleb128 0xb
+ .uleb128 0xb
+ .uleb128 0x3e
+ .uleb128 0xb
+ .uleb128 0x3
+ .uleb128 0x8
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x8 /* Abbrev Number: 8 (DW_TAG_array_type) */
+ .uleb128 0x1
+ .byte 0x1
+ .uleb128 0x49 /* DW_AT_type */
+ .uleb128 0x13 /* DW_FORM_ref4 */
+ .uleb128 0x1 /* DW_AT_sibling */
+ .uleb128 0x13 /* DW_FORM_ref4 */
+ .uleb128 0x50 /* DW_AT_data_location */
+ .uleb128 0xa /* DW_FORM_block1 */
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x9
+ .uleb128 0x21
+ .byte 0x0
+ .uleb128 0x49 /* DW_AT_type */
+ .uleb128 0x13 /* DW_FORM_ref4 */
+ .uleb128 0x2f
+ .uleb128 0xa
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0xa
+ .uleb128 0x24
+ .byte 0x0
+ .uleb128 0xb
+ .uleb128 0xb
+ .uleb128 0x3e
+ .uleb128 0xb
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0xb
+ .uleb128 0x24
+ .byte 0x0
+ .uleb128 0xb
+ .uleb128 0xb
+ .uleb128 0x3e
+ .uleb128 0xb
+ .uleb128 0x3
+ .uleb128 0xe
+ .byte 0x0
+ .byte 0x0
+ .byte 0x0
+ .section .debug_pubnames,"",@progbits
+ .long 0x16
+ .value 0x2
+ .long .Ldebug_info0
+ .long 0xa8
+ .long 0x2d
+ .string "foo"
+ .long 0x0
+ .section .debug_aranges,"",@progbits
+ .long 0x2c
+ .value 0x2
+ .long .Ldebug_info0
+ .byte 0x8
+ .byte 0x0
+ .value 0x0
+ .value 0x0
+ .quad .Ltext0
+ .quad .Letext0-.Ltext0
+ .quad 0x0
+ .quad 0x0
+ .section .debug_str,"MS",@progbits,1
+.LASF0:
+ .string "array"
+.LASF5:
+ .string "size"
+.LASF3:
+ .string "vla-typedef.c"
+.LASF6:
+ .string "array_t"
+.LASF1:
+ .string "char"
+.LASF4:
+ .string "/home/jkratoch/redhat/archer-jankratochvil-vla/gdb/testsuite/gdb.base"
+.LASF2:
+ .string "GNU C 4.3.2 20081105 (Red Hat 4.3.2-7)"
+ .ident "GCC: (GNU) 4.3.2 20081105 (Red Hat 4.3.2-7)"
+ .section .note.GNU-stack,"",@progbits
diff --git a/gdb/testsuite/gdb.arch/x86_64-vla-typedef.c b/gdb/testsuite/gdb.arch/x86_64-vla-typedef.c
new file mode 100644
index 0000000..b809c4e
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/x86_64-vla-typedef.c
@@ -0,0 +1,43 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ 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 <http://www.gnu.org/licenses/>. */
+
+#if 0
+
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