1d6edc3c37
Fix empty DWARF expressions DATA vs. SIZE conditionals. * dwarf2loc.c (dwarf2_find_location_expression): Clear *LOCEXPR_LENGTH. (dwarf_expr_frame_base_1): Indicate unavailability via zero *LENGTH. (locexpr_tracepoint_var_ref): Check only zero SIZE, not zero DATA. (loclist_read_variable, loclist_tracepoint_var_ref): Do not check for zero DATA. * dwarf2loc.h (struct dwarf2_locexpr_baton): Comment DATA vs. SIZE validity. * dwarf2read.c (struct dwarf_block): Comment DATA validity. (dwarf2_fetch_die_location_block, dwarf2_symbol_mark_computed): Do not clear DATA on zero SIZE. gdb/testsuite/ Fix empty DWARF expressions DATA vs. SIZE conditionals. * gdb.dwarf2/dw2-op-call.S (arraycallnoloc, arraynoloc): New DIEs. (loclist): New. (4): New abbrev. * gdb.dwarf2/dw2-op-call.exp: Remove variable srcfile and executable. Use prepare_for_testing, remove clean_restart. (p arraynoloc, p arraycallnoloc): New tests.
151 lines
4.6 KiB
ArmAsm
151 lines
4.6 KiB
ArmAsm
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2009, 2011 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Test DW_OP_call2 and DW_OP_call4, PR gdb/10640. */
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.section .data
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array1: .2byte 1
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array2: .2byte 2
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array3: .2byte 3
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.section .debug_info
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.Lcu1_begin:
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/* CU header */
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.4byte .Lcu1_end - .Lcu1_start /* Length of Compilation Unit */
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.Lcu1_start:
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.2byte 2 /* DWARF Version */
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.4byte .Labbrev1_begin /* Offset into abbrev section */
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.byte 4 /* Pointer size */
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/* CU die */
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.uleb128 1 /* Abbrev: DW_TAG_compile_unit */
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.ascii "file1.txt\0" /* DW_AT_name */
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.ascii "GNU C 3.3.3\0" /* DW_AT_producer */
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.byte 2 /* DW_LANG_C (C) */
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.L2byte_type:
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.uleb128 2 /* Abbrev: DW_TAG_base_type */
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.ascii "2byte\0" /* DW_AT_name */
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.byte 2 /* DW_AT_byte_size */
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.byte 7 /* DW_AT_encoding: DW_ATE_unsigned */
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.Larray1:
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.uleb128 3 /* Abbrev: DW_TAG_variable */
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.ascii "array1\0" /* DW_AT_name */
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.4byte .L2byte_type-.Lcu1_begin /* DW_AT_type */
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.byte 2f - 1f /* DW_AT_location */
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1: .byte 3 /* DW_OP_addr */
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.4byte array1 /* <addr> */
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2:
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.uleb128 3 /* Abbrev: DW_TAG_variable */
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.ascii "array2\0" /* DW_AT_name */
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.4byte .L2byte_type-.Lcu1_begin /* DW_AT_type */
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.byte 2f - 1f /* DW_AT_location */
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1: .byte 0x98 /* DW_OP_call2 */
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.2byte .Larray1-.Lcu1_begin /* <current CU offset> */
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.byte 0x23 /* DW_OP_plus_uconst */
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.uleb128 array2-array1 /* <uconst> */
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2:
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.uleb128 3 /* Abbrev: DW_TAG_variable */
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.ascii "array3\0" /* DW_AT_name */
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.4byte .L2byte_type-.Lcu1_begin /* DW_AT_type */
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.byte 2f - 1f /* DW_AT_location */
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1: .byte 0x99 /* DW_OP_call4 */
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.4byte .Larray1-.Lcu1_begin /* <current CU offset> */
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.byte 0x23 /* DW_OP_plus_uconst */
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.uleb128 array3-array1 /* <uconst> */
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2:
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.uleb128 3 /* Abbrev: DW_TAG_variable */
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.ascii "arraycallnoloc\0" /* DW_AT_name */
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.4byte .L2byte_type-.Lcu1_begin /* DW_AT_type */
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.byte 2f - 1f /* DW_AT_location */
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1: .byte 0x99 /* DW_OP_call4 */
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.4byte .Larraynoloc-.Lcu1_begin /* <current CU offset> */
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2:
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.Larraynoloc:
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.uleb128 4 /* Abbrev: DW_TAG_variable-loclist */
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.ascii "arraynoloc\0" /* DW_AT_name */
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.4byte .L2byte_type-.Lcu1_begin /* DW_AT_type */
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.4byte loclist /* DW_AT_location */
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.byte 0 /* End of children of CU */
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.Lcu1_end:
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/* Location list. */
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.section .debug_loc
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loclist:
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/* Location list end. */
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.4byte 0, 0
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/* Abbrev table */
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.section .debug_abbrev
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.Labbrev1_begin:
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.uleb128 1 /* Abbrev code */
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.uleb128 0x11 /* DW_TAG_compile_unit */
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.byte 1 /* has_children */
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.uleb128 0x3 /* DW_AT_name */
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.uleb128 0x8 /* DW_FORM_string */
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.uleb128 0x25 /* DW_AT_producer */
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.uleb128 0x8 /* DW_FORM_string */
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.uleb128 0x13 /* DW_AT_language */
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.uleb128 0xb /* DW_FORM_data1 */
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.byte 0x0 /* Terminator */
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.byte 0x0 /* Terminator */
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.uleb128 2 /* Abbrev code */
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.uleb128 0x24 /* DW_TAG_base_type */
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.byte 0 /* has_children */
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.uleb128 0x3 /* DW_AT_name */
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.uleb128 0x8 /* DW_FORM_string */
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.uleb128 0xb /* DW_AT_byte_size */
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.uleb128 0xb /* DW_FORM_data1 */
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.uleb128 0x3e /* DW_AT_encoding */
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.uleb128 0xb /* DW_FORM_data1 */
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.byte 0x0 /* Terminator */
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.byte 0x0 /* Terminator */
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.uleb128 3 /* Abbrev code */
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.uleb128 0x34 /* DW_TAG_variable */
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.byte 0 /* has_children */
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.uleb128 0x3 /* DW_AT_name */
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.uleb128 0x8 /* DW_FORM_string */
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.uleb128 0x49 /* DW_AT_type */
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.uleb128 0x13 /* DW_FORM_ref4 */
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.uleb128 0x2 /* DW_AT_location */
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.uleb128 0xa /* DW_FORM_block1 */
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.byte 0x0 /* Terminator */
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.byte 0x0 /* Terminator */
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.uleb128 4 /* Abbrev code */
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.uleb128 0x34 /* DW_TAG_variable-loclist */
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.byte 0 /* has_children */
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.uleb128 0x3 /* DW_AT_name */
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.uleb128 0x8 /* DW_FORM_string */
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.uleb128 0x49 /* DW_AT_type */
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.uleb128 0x13 /* DW_FORM_ref4 */
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.uleb128 0x2 /* DW_AT_location */
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.uleb128 0x06 /* DW_FORM_data4 */
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.byte 0x0 /* Terminator */
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.byte 0x0 /* Terminator */
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.byte 0x0 /* Terminator */
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.byte 0x0 /* Terminator */
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