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Consider this GDB session: (gdb) set language fortran (gdb) set debug expression 1 (gdb) p .TRUE. Dump of expression @ 0x4055d90, before conversion to prefix form: Language fortran, 3 elements, 16 bytes each. Index Opcode Hex Value String Value 0 OP_BOOL 79 O............... 1 BINOP_ADD 1 ................ 2 OP_BOOL 79 O............... Dump of expression @ 0x4055d90, after conversion to prefix form: Expression: `TRUE' Language fortran, 3 elements, 16 bytes each. 0 OP_BOOL Unknown format 1 BINOP_ADD 2 OP_BOOL Unknown format 3 OP_NULL Unknown format $1 = .TRUE. The final dump of the OP_BOOL is completely wrong. After this patch we now get: (gdb) set language fortran (gdb) set debug expression 1 (gdb) p .TRUE. Dump of expression @ 0x2d07470, before conversion to prefix form: Language fortran, 3 elements, 16 bytes each. Index Opcode Hex Value String Value 0 OP_BOOL 79 O............... 1 BINOP_ADD 1 ................ 2 OP_BOOL 79 O............... Dump of expression @ 0x2d07470, after conversion to prefix form: Expression: `TRUE' Language fortran, 3 elements, 16 bytes each. 0 OP_BOOL TRUE $1 = .TRUE. Much better. I added a test for this into the Fortran testsuite. gdb/ChangeLog: * expprint.c (dump_subexp_body_standard): Handle OP_BOOL. gdb/testsuite/ChangeLog: * gdb.fortran/debug-expr.exp: Add new tests.
52 lines
1.6 KiB
Plaintext
52 lines
1.6 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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# Test "set debug expr 1" on Fortran expressions.
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if { [skip_fortran_tests] } { return -1 }
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# Test relies on checking gdb debug output. Do not run if gdb debug is
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# enabled as any debug will be redirected to the log.
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if [gdb_debug_enabled] {
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untested "debug is enabled"
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return 0
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}
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standard_testfile .f90
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load_lib fortran.exp
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug f90}]} {
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return -1
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}
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if ![fortran_runto_main] {
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fail "run to main"
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return -1
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}
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gdb_breakpoint [gdb_get_line_number "Break Here"]
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gdb_continue_to_breakpoint "Break Here"
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gdb_test_no_output "set debug expression 1"
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gdb_test_debug_expr "print obj%three(1)%two(1)%one(1)%i" "\\\$$decimal = 1"
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gdb_test_debug_expr "print .TRUE." [multi_line \
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"" \
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"\\s+0\\s+OP_BOOL\\s+TRUE" \
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"\\\$$decimal = \.TRUE\."]
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gdb_test_debug_expr "print .FALSE." [multi_line \
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"" \
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"\\s+0\\s+OP_BOOL\\s+FALSE" \
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"\\\$$decimal = \.FALSE\."]
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