binutils-gdb/gdb/testsuite/gdb.trace/unavailable-dwarf-piece.exp

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# Copyright (C) 2013-2016 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 "trace-support.exp"
load_lib dwarf.exp
if {![dwarf2_support]} {
return 0
}
standard_testfile .c
set asm_file "${testfile}-dbg.s"
set opts {}
if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile}1.o \
object {nodebug}] != "" } {
return -1
}
Dwarf::assemble $asm_file {
declare_labels uchar_label struct_s_label foo_label struct_t_label bar_label
cu {} {
compile_unit {{language @DW_LANG_C}} {
uchar_label: DW_TAG_base_type {
{name "unsigned char"}
{byte_size 1 DW_FORM_sdata}
{encoding @DW_ATE_unsigned_char}
}
struct_s_label: DW_TAG_structure_type {
{name s}
{byte_size 3 DW_FORM_sdata}
{decl_file 1 DW_FORM_sdata}
{decl_line 1 DW_FORM_sdata}
} {
DW_TAG_member {
{name a}
{type :$uchar_label}
{data_member_location {
DW_OP_plus_uconst 0
} SPECIAL_expr}
}
DW_TAG_member {
{name b}
{type :$uchar_label}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name c}
{type :$uchar_label}
{data_member_location {
DW_OP_plus_uconst 2
} SPECIAL_expr}
}
}
struct_t_label: DW_TAG_structure_type {
{name t}
{byte_size 3 DW_FORM_sdata}
{decl_file 1 DW_FORM_sdata}
{decl_line 1 DW_FORM_sdata}
} {
DW_TAG_member {
{name a}
{type :$uchar_label}
{data_member_location {
DW_OP_plus_uconst 0
} SPECIAL_expr}
}
DW_TAG_member {
{name b}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 7 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name c}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 6 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name d}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 5 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name e}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 4 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name f}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 3 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name g}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 2 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name h}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 1 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name i}
{type :$uchar_label}
{byte_size 1 DW_FORM_sdata}
{bit_size 1 DW_FORM_sdata}
{bit_offset 0 DW_FORM_sdata}
{data_member_location {
DW_OP_plus_uconst 1
} SPECIAL_expr}
}
DW_TAG_member {
{name j}
{type :$uchar_label}
{data_member_location {
DW_OP_plus_uconst 2
} SPECIAL_expr}
}
}
DW_TAG_subprogram {
{name foo}
{decl_file 1 sdata}
{low_pc foo_start_lbl addr}
{high_pc foo_end_lbl addr}
} {
DW_TAG_formal_parameter {
{type :$struct_s_label}
{name x}
{location {
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 2
DW_OP_reg0
DW_OP_piece 1
} SPECIAL_expr}
}
DW_TAG_formal_parameter {
{type :$struct_s_label}
{name y}
{location {
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
DW_OP_reg0
DW_OP_piece 1
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
} SPECIAL_expr}
}
DW_TAG_formal_parameter {
{type :$struct_s_label}
{name z}
{location {
DW_OP_reg0
DW_OP_piece 1
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 2
} SPECIAL_expr}
}
}
DW_TAG_subprogram {
{name bar}
{decl_file 1 sdata}
{low_pc bar_start_lbl addr}
{high_pc bar_end_lbl addr}
} {
DW_TAG_formal_parameter {
{type :$struct_t_label}
{name x}
{location {
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
DW_OP_reg0
DW_OP_bit_piece 1 0
DW_OP_lit0
DW_OP_stack_value
DW_OP_bit_piece 7 0
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
} SPECIAL_expr}
}
DW_TAG_formal_parameter {
{type :$struct_t_label}
{name y}
{location {
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
DW_OP_lit0
DW_OP_stack_value
DW_OP_bit_piece 3 0
DW_OP_reg0
DW_OP_bit_piece 1 0
DW_OP_lit0
DW_OP_stack_value
DW_OP_bit_piece 4 0
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
} SPECIAL_expr}
}
DW_TAG_formal_parameter {
{type :$struct_t_label}
{name z}
{location {
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
DW_OP_lit0
DW_OP_stack_value
DW_OP_bit_piece 7 0
DW_OP_reg0
DW_OP_bit_piece 1 0
DW_OP_lit0
DW_OP_stack_value
DW_OP_piece 1
} SPECIAL_expr}
}
}
}
}
}
if { [gdb_compile ${asm_file} ${binfile}2.o object {nodebug}] != "" } {
return -1
}
if { [gdb_compile [list ${binfile}1.o ${binfile}2.o] ${binfile} \
executable {}] != "" } {
return -1
}
clean_restart ${testfile}
if ![runto_main] {
return -1
}
if ![gdb_target_supports_trace] {
unsupported "target does not support trace"
return -1
}
gdb_breakpoint "end"
with_test_prefix "tracing foo" {
gdb_test "trace *foo_start_lbl" ".*"
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*"
gdb_test_no_output "tstop"
gdb_test "tfind 0" "Found trace frame 0, tracepoint .*"
gdb_test "p/d x" "\\\$${decimal} = {a = 0, b = 0, c = <unavailable>}"
gdb_test "p/d y" "\\\$${decimal} = {a = 0, b = <unavailable>, c = 0}"
gdb_test "p/d z" "\\\$${decimal} = {a = <unavailable>, b = 0, c = 0}"
gdb_test "tfind none" "No longer looking at any trace frame.*"
}
with_test_prefix "tracing bar" {
gdb_test "trace *bar_start_lbl" ".*"
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*"
gdb_test_no_output "tstop"
set endian ""
gdb_test_multiple "show endian" "show endian" {
-re ".* (big|little) endian.*$gdb_prompt $" {
set endian $expect_out(1,string)
pass "endianness: $endian"
}
}
gdb_test "tfind 0" "Found trace frame 0, tracepoint .*"
if { $endian == "little" } {
gdb_test "p/d x" "\\\$${decimal} = {a = 0, b = <unavailable>, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, i = 0, j = 0}"
gdb_test "p/d y" "\\\$${decimal} = {a = 0, b = 0, c = 0, d = 0, e = <unavailable>, f = 0, g = 0, h = 0, i = 0, j = 0}"
gdb_test "p/d z" "\\\$${decimal} = {a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, i = <unavailable>, j = 0}"
} else {
gdb_test "p/d x" "\\\$${decimal} = {a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, i = <unavailable>, j = 0}"
gdb_test "p/d y" "\\\$${decimal} = {a = 0, b = 0, c = 0, d = 0, e = 0, f = <unavailable>, g = 0, h = 0, i = 0, j = 0}"
gdb_test "p/d z" "\\\$${decimal} = {a = 0, b = <unavailable>, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, i = 0, j = 0}"
}
gdb_test "tfind none" "No longer looking at any trace frame.*"
}