diff options
Diffstat (limited to 'gdb/testsuite/gdb.dwarf2/dw2-ranges-base.exp')
-rw-r--r-- | gdb/testsuite/gdb.dwarf2/dw2-ranges-base.exp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-ranges-base.exp b/gdb/testsuite/gdb.dwarf2/dw2-ranges-base.exp new file mode 100644 index 00000000000..9d642703b9f --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/dw2-ranges-base.exp @@ -0,0 +1,143 @@ +# Copyright 2015 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 dwarf.exp + +# Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor +# DW_AT_high_pc but with DW_AT_ranges instead. + +# This test can only be run on targets which support DWARF-2 and use gas. +if {![dwarf2_support]} { + verbose "Skipping DW_AT_ranges test." + return 0 +} + +# The .c files use __attribute__. +if [get_compiler_info] { + return -1 +} +if !$gcc_compiled { + verbose "Skipping DW_AT_ranges test." + return 0 +} + +standard_testfile dw2-ranges-base.c dw2-ranges-base-dw.S + +set asm_file [standard_output_file $srcfile2] +Dwarf::assemble $asm_file { + global srcdir subdir srcfile srcfile2 + declare_labels ranges_label + declare_labels L + + # Find start address and length for our functions. + set main_func \ + [function_range main [list ${srcdir}/${subdir}/$srcfile]] + set frame2_func \ + [function_range frame2 [list ${srcdir}/${subdir}/$srcfile]] + set frame3_func \ + [function_range frame3 [list ${srcdir}/${subdir}/$srcfile]] + + # Very simple info for this test program. We don't care about + # this information being correct (w.r.t. funtion / argument types) + # just so long as the compilation using makes use of the + # .debug_ranges data then the test achieves its objective. + cu {} { + compile_unit { + {language @DW_LANG_C} + {name dw-ranges-base.c} + {stmt_list $L DW_FORM_sec_offset} + {ranges ${ranges_label} DW_FORM_sec_offset} + } { + subprogram { + {external 1 flag} + {name main} + } + subprogram { + {external 1 flag} + {name frame2} + } + subprogram { + {external 1 flag} + {name frame3} + } + } + } + + lines {version 2} L { + include_dir "${srcdir}/${subdir}" + file_name "$srcfile" 1 + + # Generate simple line table program. The line table + # information contained here is not correct, and we really + # don't care, just so long as each function has some line + # table data associated with it. We do make use of the fake + # line numbers that we pick here in the tests below. + program { + {DW_LNE_set_address [lindex $main_func 0]} + {DW_LNS_advance_line 10} + {DW_LNS_copy} + {DW_LNS_advance_pc [lindex $main_func 1]} + {DW_LNS_advance_line 19} + {DW_LNS_copy} + {DW_LNE_end_sequence} + + {DW_LNE_set_address [lindex $frame2_func 0]} + {DW_LNS_advance_line 20} + {DW_LNS_copy} + {DW_LNS_advance_pc [lindex $frame2_func 1]} + {DW_LNS_advance_line 29} + {DW_LNS_copy} + {DW_LNE_end_sequence} + + {DW_LNE_set_address [lindex $frame3_func 0]} + {DW_LNS_advance_line 30} + {DW_LNS_copy} + {DW_LNS_advance_pc [lindex $frame3_func 1]} + {DW_LNS_advance_line 39} + {DW_LNS_copy} + {DW_LNE_end_sequence} + } + } + + # Generate ranges data. This is the point of this whole test + # file, we must have multiple bases specified, so we use a new + # base for each function. + ranges {is_64 [is_64_target]} { + ranges_label: sequence { + {base [lindex $main_func 0]} + {range 0 [lindex $main_func 1]} + {base [lindex $frame2_func 0]} + {range 0 [lindex $frame2_func 1]} + {base [lindex $frame3_func 0]} + {range 0 [lindex $frame3_func 1]} + } + } +} + +if { [prepare_for_testing ${testfile}.exp ${testfile} \ + [list $srcfile $asm_file] {nodebug}] } { + return -1 +} + +if ![runto_main] { + return -1 +} + +# Make use of the line numbers we faked in the .debug_line table above. +gdb_test "info line main" \ + "Line 11 of .* starts at address .* and ends at .*" +gdb_test "info line frame2" \ + "Line 21 of .* starts at address .* and ends at .*" +gdb_test "info line frame3" \ + "Line 31 of .* starts at address .* and ends at .*" |