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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
112 lines
3.8 KiB
Plaintext
112 lines
3.8 KiB
Plaintext
# Copyright 2020-2021 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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#
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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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#
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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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# Create a slice of an array, then take a slice of that slice.
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if {[skip_fortran_tests]} { return -1 }
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standard_testfile ".f90"
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load_lib fortran.exp
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if {[prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
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{debug f90}]} {
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return -1
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}
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if ![fortran_runto_main] {
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untested "could not run to main"
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return -1
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}
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# gdb_breakpoint [gdb_get_line_number "Display Message Breakpoint"]
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gdb_breakpoint [gdb_get_line_number "Stop Here"]
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gdb_breakpoint [gdb_get_line_number "Final Breakpoint"]
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# We're going to print some reasonably large arrays.
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gdb_test_no_output "set print elements unlimited"
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gdb_continue_to_breakpoint "Stop Here"
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# Print a slice, capture the convenience variable name created.
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set cmd "print array (1:10:2, 1:10:2)"
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gdb_test_multiple $cmd $cmd {
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-re "\r\n\\\$(\\d+) = .*\r\n$gdb_prompt $" {
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set varname "\$$expect_out(1,string)"
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}
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}
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# Now check that we can correctly extract all the elements from this
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# slice.
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for { set j 1 } { $j < 6 } { incr j } {
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for { set i 1 } { $i < 6 } { incr i } {
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set val [expr ((($i - 1) * 2) + (($j - 1) * 20)) + 1]
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gdb_test "print ${varname} ($i,$j)" " = $val"
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}
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}
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# Now take a slice of the slice.
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gdb_test "print ${varname} (3:5, 3:5)" \
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" = \\(\\(45, 47, 49\\) \\(65, 67, 69\\) \\(85, 87, 89\\)\\)"
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# Now take a different slice of a slice.
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set cmd "print ${varname} (1:5:2, 1:5:2)"
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gdb_test_multiple $cmd $cmd {
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-re "\r\n\\\$(\\d+) = \\(\\(1, 5, 9\\) \\(41, 45, 49\\) \\(81, 85, 89\\)\\)\r\n$gdb_prompt $" {
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set varname "\$$expect_out(1,string)"
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pass $gdb_test_name
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}
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}
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# Now take a slice from the slice, of a slice!
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set cmd "print ${varname} (1:3:2, 1:3:2)"
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gdb_test_multiple $cmd $cmd {
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-re "\r\n\\\$(\\d+) = \\(\\(1, 9\\) \\(81, 89\\)\\)\r\n$gdb_prompt $" {
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set varname "\$$expect_out(1,string)"
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pass $gdb_test_name
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}
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}
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# And again!
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set cmd "print ${varname} (1:2:2, 1:2:2)"
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gdb_test_multiple $cmd $cmd {
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-re "\r\n\\\$(\\d+) = \\(\\(1\\)\\)\r\n$gdb_prompt $" {
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set varname "\$$expect_out(1,string)"
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pass $gdb_test_name
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}
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}
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# Test taking a slice with stride of a string. This isn't actually
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# supported within gfortran (at least), but naturally drops out of how
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# GDB models arrays and strings in a similar way, so we may as well
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# test that this is still working.
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gdb_test "print str (1:26:2)" " = 'acegikmoqsuwy'"
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gdb_test "print str (26:1:-1)" " = 'zyxwvutsrqponmlkjihgfedcba'"
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gdb_test "print str (26:1:-2)" " = 'zxvtrpnljhfdb'"
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# Now test the memory requirements of taking a slice from an array.
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# The idea is that we shouldn't require more memory to extract a slice
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# than the size of the slice.
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#
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# This will only work if array repacking is turned on, otherwise GDB
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# will create the slice by generating a new type that sits over the
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# existing value in memory.
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gdb_test_no_output "set fortran repack-array-slices on"
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set element_size [get_integer_valueof "sizeof (array (1,1))" "unknown"]
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set slice_size [expr $element_size * 4]
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gdb_test_no_output "set max-value-size $slice_size"
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gdb_test "print array (1:2, 1:2)" "= \\(\\(1, 2\\) \\(11, 12\\)\\)"
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gdb_test "print array (2:3, 2:3)" "= \\(\\(12, 13\\) \\(22, 23\\)\\)"
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gdb_test "print array (2:5:2, 2:5:2)" "= \\(\\(12, 14\\) \\(32, 34\\)\\)"
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