200 lines
6 KiB
Text
200 lines
6 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2002-2004, 2007-2012 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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if $tracelevel {
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strace $tracelevel
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}
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#
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# test running programs
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#
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set testfile "store"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested store.exp
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return -1
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}
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if [get_compiler_info ${binfile}] {
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return -1;
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# set it up at a breakpoint so we can play with the variable values
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#
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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#
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proc check_set { t l r new add } {
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set prefix "var ${t} l"
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gdb_test "tbreak wack_${t}"
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gdb_test "continue" "register ${t} l = u, r = v;" \
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"continue to wack_${t}"
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gdb_test "next" "l = add_${t} .l, r.;" \
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"${prefix}; next ${t}"
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gdb_test "print l" " = ${l}" \
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"${prefix}; print old l, expecting ${l}"
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gdb_test "print r" " = ${r}" \
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"${prefix}; print old r, expecting ${r}"
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gdb_test_no_output "set variable l = 4" \
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"${prefix}; setting l to 4"
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gdb_test "print l" " = ${new}" \
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"${prefix}; print new l, expecting ${new}"
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gdb_test "next" "return l \\+ r;" \
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"${prefix}; next over add call"
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gdb_test "print l" " = ${add}" \
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"${prefix}; print incremented l, expecting ${add}"
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}
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check_set "charest" "-1 .*" "-2 .*" "4 ..004." "2 ..002."
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check_set "short" "-1" "-2" "4" "2"
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check_set "int" "-1" "-2" "4" "2"
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check_set "long" "-1" "-2" "4" "2"
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check_set "longest" "-1" "-2" "4" "2"
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check_set "float" "-1" "-2" "4" "2"
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check_set "double" "-1" "-2" "4" "2"
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check_set "doublest" "-1" "-2" "4" "2"
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#
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proc up_set { t l r new } {
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set prefix "upvar ${t} l"
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gdb_test "tbreak add_${t}"
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gdb_test "continue" "return u . v;" \
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"continue to add_${t}"
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gdb_test "up" "l = add_${t} .l, r.;" \
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"${prefix}; up"
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gdb_test "print l" " = ${l}" \
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"${prefix}; print old l, expecting ${l}"
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gdb_test "print r" " = ${r}" \
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"${prefix}; print old r, expecting ${r}"
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gdb_test_no_output "set variable l = 4" \
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"${prefix}; set l to 4"
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gdb_test "print l" " = ${new}" \
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"${prefix}; print new l, expecting ${new}"
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}
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up_set "charest" "-1 .*" "-2 .*" "4 ..004."
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up_set "short" "-1" "-2" "4"
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up_set "int" "-1" "-2" "4"
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up_set "long" "-1" "-2" "4"
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up_set "longest" "-1" "-2" "4"
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up_set "float" "-1" "-2" "4"
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up_set "double" "-1" "-2" "4"
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up_set "doublest" "-1" "-2" "4"
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#
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proc check_struct { t old new } {
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set prefix "var struct ${t} u"
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gdb_test "tbreak wack_struct_${t}"
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gdb_test "continue" "int i; register struct s_${t} u = z_${t};" \
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"continue to wack_struct_${t}"
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gdb_test "next 2" "add_struct_${t} .u.;" \
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"${prefix}; next to add_struct_${t} call"
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gdb_test "print u" " = ${old}" \
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"${prefix}; print old u, expecting ${old}"
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gdb_test_no_output "set variable u = s_${t}" \
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"${prefix}; set u to s_${t}"
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gdb_test "print u" " = ${new}" \
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"${prefix}; print new u, expecting ${new}"
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}
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check_struct "1" "{s = \\{0}}" "{s = \\{1}}"
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check_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}"
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check_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}"
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check_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}"
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proc up_struct { t old new } {
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set prefix "up struct ${t} u"
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gdb_test "tbreak add_struct_${t}"
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gdb_test "continue" "for .i = 0; i < sizeof .s. / sizeof .s.s.0..; i..." \
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"continue to add_struct_${t}"
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gdb_test "up" "u = add_struct_${t} .u.;" \
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"${prefix}; up"
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gdb_test "print u" " = ${old}" \
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"${prefix}; print old u, expecting ${old}"
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gdb_test_no_output "set variable u = s_${t}" \
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"${prefix}; set u to s_${t}"
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gdb_test "print u" " = ${new}" \
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"${prefix}; print new u, expecting ${new}"
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}
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up_struct "1" "{s = \\{0}}" "{s = \\{1}}"
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up_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}"
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up_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}"
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up_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}"
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#
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proc check_field { t } {
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global gdb_prompt
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gdb_test "tbreak wack_field_${t}"
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gdb_test "continue" "register struct f_${t} u = f_${t};" \
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"continue field ${t}"
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# Match either the return statement, or the line immediatly after
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# it. The compiler can end up merging the return statement into
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# the return instruction.
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gdb_test "next" "(return u;|\})" "next field ${t}"
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gdb_test "print u" " = {i = 1, j = 1, k = 1}" "old field ${t}"
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gdb_test_no_output "set variable u = F_${t}"
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gdb_test "print u" " = {i = 0, j = 0, k = 0}" "new field ${t}"
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gdb_test_no_output "set variable u = F_${t}, u.i = f_${t}.i"
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gdb_test "print u" " = {i = 1, j = 0, k = 0}" "f_${t}.i"
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gdb_test_no_output "set variable u = F_${t}, u.j = f_${t}.j"
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gdb_test "print u" " = {i = 0, j = 1, k = 0}" "f_${t}.j"
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gdb_test_no_output "set variable u = F_${t}, u.k = f_${t}.k"
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gdb_test "print u" " = {i = 0, j = 0, k = 1}" "f_${t}.k"
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gdb_test_no_output "set variable u = f_${t}, u.i = F_${t}.i"
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gdb_test "print u" " = {i = 0, j = 1, k = 1}" "F_${t}.i"
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gdb_test_no_output "set variable u = f_${t}, u.j = F_${t}.j"
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gdb_test "print u" " = {i = 1, j = 0, k = 1}" "F_${t}.j"
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gdb_test_no_output "set variable u = f_${t}, u.k = F_${t}.k"
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gdb_test "print u" " = {i = 1, j = 1, k = 0}" "F_${t}.k"
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}
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check_field 1
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check_field 2
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check_field 3
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check_field 4
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#
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# WANTED: A fairly portable way of convincing the compiler to split a
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# value across memory and registers.
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