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[PATCH] testsuite/gdb.dwarf2: Enable dw2-error.exp tests for arm targets


dw2-error.exp is not run for arm targets because this test has been
written in x86 assembly language. This patch adds ARM version of
assembly code required to run dw2-error.exp tests on arm targets.
Attached patch is tested on ARMv7 and x86_64 targets.

gdb/testsuite/ChangeLog:

2013-07-22  Omair Javaid  <Omair.Javaid@linaro.org>

        * gdb.dwarf2/dw2-error.S: Adding ARM assembly code.

Index: gdb/testsuite/gdb.dwarf2/dw2-error.S
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.dwarf2/dw2-error.S,v
retrieving revision 1.2
diff -u -p -r1.2 dw2-error.S
--- gdb/testsuite/gdb.dwarf2/dw2-error.S 12 Feb 2013 18:27:29 -0000 1.2
+++ gdb/testsuite/gdb.dwarf2/dw2-error.S 22 Jul 2013 02:57:06 -0000
@@ -18,6 +18,8 @@

   */

+#ifndef __arm__
+
  .file "dw2-error.c"
  .text
 .Ltext0:
@@ -158,3 +160,177 @@ main:
  .string "dw2-error.c"
  .ident "GCC: (GNU) 4.6.3 20120306 (Red Hat 4.6.3-2)"
  .section .note.GNU-stack,"",@progbits
+
+#else
+
+ .file "dw2-error.c"
+ .text
+.Ltext0:
+ .cfi_sections .debug_frame
+ .align 2
+ .global main
+ .type main, %function
+main:
+.LFB0:
+ .file 1 "dw2-error.c"
+ @ dw2-error.c:19
+ .loc 1 19 0
+ .cfi_startproc
+ @ args = 0, pretend = 0, frame = 0
+ @ frame_needed = 1, uses_anonymous_args = 0
+ @ link register save eliminated.
+@ BLOCK 2 seq:0
+@ PRED: ENTRY (fallthru)
+ str fp, [sp, #-4]!
+.LCFI0:
+ .cfi_def_cfa_offset 4
+ .cfi_offset 11, -4
+ add fp, sp, #0
+.LCFI1:
+ .cfi_def_cfa_register 11
+ @ dw2-error.c:20
+ .loc 1 20 0
+ mov r3, #23
+ @ dw2-error.c:21
+ .loc 1 21 0
+ mov r0, r3
+@ SUCC: EXIT [100.0%]
+ add sp, fp, #0
+ ldmfd sp!, {fp}
+ bx lr
+ .cfi_endproc
+.LFE0:
+ .size main, .-main
+.Letext0:
+ .section .debug_info,"",%progbits
+.Ldebug_info0:
+ .4byte 0x42 @ Length of Compilation Unit Info
+ .2byte 0x99 @ DWARF version number
+ .4byte .Ldebug_abbrev0 @ Offset Into Abbrev. Section
+ .byte 0x4 @ Pointer Size (in bytes)
+ .uleb128 0x1 @ (DIE (0xb) DW_TAG_compile_unit)
+ .4byte .LASF0 @ DW_AT_producer: "GNU C 4.7.3"
+ .byte 0x1 @ DW_AT_language
+ .4byte .LASF1 @ DW_AT_name: "dw2-error.c"
+ .4byte .LASF2 @ DW_AT_comp_dir: "/tmp"
+ .4byte .Ltext0 @ DW_AT_low_pc
+ .4byte .Letext0 @ DW_AT_high_pc
+ .4byte .Ldebug_line0 @ DW_AT_stmt_list
+ .uleb128 0x2 @ (DIE (0x25) DW_TAG_subprogram)
+ .byte 0x1 @ DW_AT_external
+ .4byte .LASF3 @ DW_AT_name: "main"
+ .byte 0x1 @ DW_AT_decl_file (dw2-error.c)
+ .byte 0x12 @ DW_AT_decl_line
+ .4byte 0x3e @ DW_AT_type
+ .4byte .LFB0 @ DW_AT_low_pc
+ .4byte .LFE0 @ DW_AT_high_pc
+ .4byte .LLST0 @ DW_AT_frame_base
+ .byte 0x1 @ DW_AT_GNU_all_call_sites
+ .uleb128 0x3 @ (DIE (0x3e) 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 0x6 @ (DW_FORM_data4)
+ .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 0xc @ (DW_FORM_flag)
+ .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 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 0x6 @ (DW_FORM_data4)
+ .uleb128 0x2117 @ (DW_AT_GNU_all_call_sites)
+ .uleb128 0xc @ (DW_FORM_flag)
+ .byte 0
+ .byte 0
+ .uleb128 0x3 @ (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_loc,"",%progbits
+.Ldebug_loc0:
+.LLST0:
+ .4byte .LFB0-.Ltext0 @ Location list begin address (*.LLST0)
+ .4byte .LCFI0-.Ltext0 @ Location list end address (*.LLST0)
+ .2byte 0x2 @ Location expression size
+ .byte 0x7d @ DW_OP_breg13
+ .sleb128 0
+ .4byte .LCFI0-.Ltext0 @ Location list begin address (*.LLST0)
+ .4byte .LCFI1-.Ltext0 @ Location list end address (*.LLST0)
+ .2byte 0x2 @ Location expression size
+ .byte 0x7d @ DW_OP_breg13
+ .sleb128 4
+ .4byte .LCFI1-.Ltext0 @ Location list begin address (*.LLST0)
+ .4byte .LFE0-.Ltext0 @ Location list end address (*.LLST0)
+ .2byte 0x2 @ Location expression size
+ .byte 0x7b @ DW_OP_breg11
+ .sleb128 4
+ .4byte 0 @ Location list terminator begin (*.LLST0)
+ .4byte 0 @ Location list terminator end (*.LLST0)
+ .section .debug_aranges,"",%progbits
+ .4byte 0x1c @ Length of Address Ranges Info
+ .2byte 0x2 @ DWARF Version
+ .4byte .Ldebug_info0 @ Offset of Compilation Unit Info
+ .byte 0x4 @ Size of Address
+ .byte 0 @ Size of Segment Descriptor
+ .2byte 0 @ Pad to 8 byte boundary
+ .2byte 0
+ .4byte .Ltext0 @ Address
+ .4byte .Letext0-.Ltext0 @ Length
+ .4byte 0
+ .4byte 0
+ .section .debug_line,"",%progbits
+.Ldebug_line0:
+ .section .debug_str,"MS",%progbits,1
+.LASF0:
+ .ascii "GNU C 4.7.3\000"
+.LASF2:
+ .ascii "/tmp\000"
+.LASF3:
+ .ascii "main\000"
+.LASF1:
+ .ascii "dw2-error.c\000"
+ .ident "GCC: (Ubuntu/Linaro 4.7.3-1ubuntu1) 4.7.3"
+ .section .note.GNU-stack,"",%progbits
+
+#endif


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