690 lines
25 KiB
Text
690 lines
25 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 1996-2016 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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# Some targets can't call functions, so don't even bother with this
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# test.
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if [target_info exists gdb,cannot_call_functions] {
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setup_xfail "*-*-*"
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fail "This target can not call functions"
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continue
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}
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standard_testfile .c
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# Regex matching any value of `char' type like: a = 65 'A'
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set anychar_re {-?[0-9]{1,3} '(.|\\([0-7]{3}|[a-z]|\\|'))'}
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# Create and source the file that provides information about the
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# compiler used to compile the test case.
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if [get_compiler_info] {
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return -1
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}
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# Compile a variant of structs.c using TYPES to specify the type of
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# the first N struct elements (the remaining elements take the type of
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# the last TYPES field). Run the compmiled program up to "main".
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# Also updates the global "testfile" to reflect the most recent build.
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set first 1
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proc start_structs_test { types } {
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global testfile
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global srcfile
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global binfile
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global subdir
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global srcdir
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global gdb_prompt
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global anychar_re
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global first
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# Create the additional flags
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set flags "debug"
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set testfile "structs"
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set n 0
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for {set n 0} {$n<[llength ${types}]} {incr n} {
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set m [I2A ${n}]
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set t [lindex ${types} $n]
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lappend flags "additional_flags=-Dt${m}=${t}"
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append testfile "-" "$t"
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}
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set binfile [standard_output_file ${testfile}]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "${flags}"] != "" } {
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# built the second test case since we can't use prototypes
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warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES"
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "${flags} additional_flags=-DNO_PROTOTYPES"] != "" } {
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untested structs.exp
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return -1
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}
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}
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# Start with a fresh gdb.
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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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# Make certain that the output is consistent
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gdb_test_no_output "set print sevenbit-strings"
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gdb_test_no_output "set print address off"
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gdb_test_no_output "set width 0"
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gdb_test_no_output "set print elements 300"
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# Advance to main
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if { ![runto_main] } then {
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gdb_suppress_tests
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}
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# Get the debug format
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get_debug_format
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# Limit the slow $anychar_re{256} matching for better performance.
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if $first {
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set first 0
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# Verify $anychar_re can match all the values of `char' type.
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gdb_breakpoint [gdb_get_line_number "chartest-done"]
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gdb_continue_to_breakpoint "chartest-done" ".*chartest-done.*"
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gdb_test "p chartest" "= {({c = ${anychar_re}}, ){255}{c = ${anychar_re}}}"
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}
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# check that at the struct containing all the relevant types is correct
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set foo_t "type = struct struct[llength ${types}] \{"
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for {set n 0} {$n<[llength ${types}]} {incr n} {
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append foo_t "\[\r\n \]+[lindex ${types} $n] [i2a $n];"
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}
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append foo_t "\[\r\n \]+\}"
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gdb_test "ptype foo[llength ${types}]" "${foo_t}" \
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"ptype foo[llength ${types}]; ${testfile}"
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}
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# The expected value for fun${n}, L${n} and foo${n}. First element is
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# empty to make indexing easier. "foo" returns the modified value,
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# "zed" returns the invalid value.
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proc foo { n } {
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return [lindex {
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"{}"
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"{a = 49 '1'}"
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"{a = 97 'a', b = 50 '2'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6', g = 103 'g', h = 56 '8'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7', h = 104 'h', i = 57 '9'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6', g = 103 'g', h = 56 '8', i = 105 'i', j = 65 'A'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7', h = 104 'h', i = 57 '9', j = 106 'j', k = 66 'B'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6', g = 103 'g', h = 56 '8', i = 105 'i', j = 65 'A', k = 107 'k', l = 67 'C'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7', h = 104 'h', i = 57 '9', j = 106 'j', k = 66 'B', l = 108 'l', m = 68 'D'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6', g = 103 'g', h = 56 '8', i = 105 'i', j = 65 'A', k = 107 'k', l = 67 'C', m = 109 'm', n = 69 'E'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7', h = 104 'h', i = 57 '9', j = 106 'j', k = 66 'B', l = 108 'l', m = 68 'D', n = 110 'n', o = 70 'F'}"
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"{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6', g = 103 'g', h = 56 '8', i = 105 'i', j = 65 'A', k = 107 'k', l = 67 'C', m = 109 'm', n = 69 'E', o = 111 'o', p = 71 'G'}"
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"{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7', h = 104 'h', i = 57 '9', j = 106 'j', k = 66 'B', l = 108 'l', m = 68 'D', n = 110 'n', o = 70 'F', p = 112 'p', q = 72 'H'}"
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} $n]
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}
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proc zed { n } {
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return [lindex {
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"{}"
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"{a = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z', l = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z', l = 90 'Z', m = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z', l = 90 'Z', m = 90 'Z', n = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z', l = 90 'Z', m = 90 'Z', n = 90 'Z', o = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z', l = 90 'Z', m = 90 'Z', n = 90 'Z', o = 90 'Z', p = 90 'Z'}"
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"{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z', i = 90 'Z', j = 90 'Z', k = 90 'Z', l = 90 'Z', m = 90 'Z', n = 90 'Z', o = 90 'Z', p = 90 'Z', q = 90 'Z'}"
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} $n]
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}
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proc any { n } {
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global anychar_re
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set ac $anychar_re
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return [lindex [list \
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"{}" \
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"{a = ${ac}}" \
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"{a = ${ac}, b = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}, l = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}, l = ${ac}, m = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}, l = ${ac}, m = ${ac}, n = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}, l = ${ac}, m = ${ac}, n = ${ac}, o = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}, l = ${ac}, m = ${ac}, n = ${ac}, o = ${ac}, p = ${ac}}" \
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"{a = ${ac}, b = ${ac}, c = ${ac}, d = ${ac}, e = ${ac}, f = ${ac}, g = ${ac}, h = ${ac}, i = ${ac}, j = ${ac}, k = ${ac}, l = ${ac}, m = ${ac}, n = ${ac}, o = ${ac}, p = ${ac}, q = ${ac}}" \
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] $n]
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}
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# Given N (0..25), return the corresponding alphabetic letter in lower
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# or upper case. This is ment to be i18n proof.
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proc i2a { n } {
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return [string range "abcdefghijklmnopqrstuvwxyz" $n $n]
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}
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proc I2A { n } {
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return [string toupper [i2a $n]]
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}
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# Use the file name, compiler and tuples to set up any needed KFAILs.
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proc setup_compiler_kfails { file compiler format tuples bug } {
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global testfile
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if {[string match $file $testfile] && [test_compiler_info $compiler] && [test_debug_format $format]} {
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foreach f $tuples { setup_kfail $bug $f }
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}
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}
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# Test GDB's ability to make inferior function calls to functions
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# returning (or passing in a single structs.
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# N identifies the number of elements in the struct that will be used
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# for the test case. FAILS is a list of target tuples that will fail
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# this test.
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# start_structs_test() will have previously built a program with a
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# specified combination of types for those elements. To ensure
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# robustness of the output, "p/c" is used.
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# This tests the code paths "which return-value convention?" and
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# "extract return-value from registers" called by "infcall.c".
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proc test_struct_calls { n } {
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global testfile
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global gdb_prompt
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# Check that GDB can always extract a struct-return value from an
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# inferior function call. Since GDB always knows the location of an
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# inferior function call's return value these should never fail
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# Implemented by calling the parameterless function "fun$N" and then
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# examining the return value printed by GDB.
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set tests "call $n ${testfile}"
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# Call fun${n}, checking the printed return-value.
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setup_compiler_kfails structs-tc-tll gcc-3-3-* "DWARF 2" i*86-*-* gdb/1455
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setup_compiler_kfails structs-tc-td gcc-3-3-* "DWARF 2" i*86-*-* gdb/1455
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gdb_test "p/c fun${n}()" "[foo ${n}]" "p/c fun<n>(); ${tests}"
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# Check that GDB can always pass a structure to an inferior function.
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# This test can never fail.
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# Implemented by calling the one parameter function "Fun$N" which
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# stores its parameter in the global variable "L$N". GDB then
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# examining that global to confirm that the value is as expected.
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gdb_test_no_output "call Fun${n}(foo${n})" "call Fun<n>(foo<n>); ${tests}"
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setup_compiler_kfails structs-tc-tll gcc-3-3-* "DWARF 2" i*86-*-* gdb/1455
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setup_compiler_kfails structs-tc-td gcc-3-3-* "DWARF 2" i*86-*-* gdb/1455
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gdb_test "p/c L${n}" [foo ${n}] "p/c L<n>; ${tests}"
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}
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# Test GDB's ability to both return a function (with "return" or
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# "finish") and correctly extract/store any corresponding
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# return-value.
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# Check that GDB can consistently extract/store structure return
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# values. There are two cases - returned in registers and returned in
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# memory. For the latter case, the return value can't be found and a
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# failure is "expected". However GDB must still both return the
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# function and display the final source and line information.
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# N identifies the number of elements in the struct that will be used
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# for the test case. FAILS is a list of target tuples that will fail
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# this test.
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# This tests the code paths "which return-value convention?", "extract
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# return-value from registers", and "store return-value in registers".
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# Unlike "test struct calls", this test is expected to "fail" when the
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# return-value is in memory (GDB can't find the location). The test
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# is in three parts: test "return"; test "finish"; check that the two
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# are consistent. GDB can sometimes work for one command and not the
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# other.
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proc test_struct_returns { n } {
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global gdb_prompt
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global testfile
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set tests "return $n ${testfile}"
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# Check that "return" works.
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# GDB must always force the return of a function that has
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# a struct result. Dependant on the ABI, it may, or may not be
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# possible to store the return value in a register.
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# The relevant code looks like "L{n} = fun{n}()". The test forces
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# "fun{n}" to "return" with an explicit value. Since that code
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# snippet will store the returned value in "L{n}" the return
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# is tested by examining "L{n}". This assumes that the
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# compiler implemented this as fun{n}(&L{n}) and hence that when
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# the value isn't stored "L{n}" remains unchanged. Also check for
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# consistency between this and the "finish" case.
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# Get into a call of fun${n}
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gdb_test "advance fun${n}" \
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"fun${n} .*\[\r\n\]+\[0-9\].*return foo${n}.*" \
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"advance to fun<n> for return; ${tests}"
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# Check that the program invalidated the relevant global.
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gdb_test "p/c L${n}" " = [zed $n]" "zed L<n> for return; ${tests}"
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# Force the "return". This checks that the return is always
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# performed, and that GDB correctly reported this to the user.
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# GDB 6.0 and earlier, when the return-value's location wasn't
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# known, both failed to print a final "source and line" and misplaced
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# the frame ("No frame").
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# The test is writen so that it only reports one FAIL/PASS for the
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# entire operation. The value returned is checked further down.
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# "return_value_known", if non-zero, indicates that GDB knew where
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# the return value was located.
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set test "return foo<n>; ${tests}"
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set return_value_known 1
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set return_value_unimplemented 0
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gdb_test_multiple "return foo${n}" "${test}" {
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-re "The location" {
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# Ulgh, a struct return, remember this (still need prompt).
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set return_value_known 0
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exp_continue
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}
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-re "A structure or union" {
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# Ulgh, a struct return, remember this (still need prompt).
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set return_value_known 0
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# Double ulgh. Architecture doesn't use return_value and
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# hence hasn't implemented small structure return.
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set return_value_unimplemented 1
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exp_continue
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}
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-re "Make fun${n} return now.*y or n. $" {
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gdb_test_multiple "y" "${test}" {
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-re "L${n} *= fun${n}.*${gdb_prompt} $" {
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# Need to step off the function call
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gdb_test "next" "L.* *= fun.*" "${test}"
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}
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-re "L[expr ${n} + 1] *= fun[expr ${n} + 1].*${gdb_prompt} $" {
|
|
pass "${test}"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# Check that the return-value is as expected. At this stage we're
|
|
# just checking that GDB has returned a value consistent with
|
|
# "return_value_known" set above.
|
|
#
|
|
# Note that, when return_value_known is false, we can't make any
|
|
# assumptions at all about the value L<n>:
|
|
#
|
|
# - If the caller passed the address of L<n> directly as fun<n>'s
|
|
# return value buffer, then L<n> will be unchanged, because we
|
|
# forced fun<n> to return before it could store anything in it.
|
|
#
|
|
# - If the caller passed the address of some temporary buffer to
|
|
# fun<n>, and then copied the buffer into L<n>, then L<n> will
|
|
# have been overwritten with whatever garbage was in the
|
|
# uninitialized buffer.
|
|
#
|
|
# - However, if the temporary buffer just happened to have the
|
|
# "right" value of foo<n> in it, then L<n> will, in fact, have
|
|
# the value you'd expect to see if the 'return' had worked!
|
|
# This has actually been observed to happen on the Renesas M32C.
|
|
#
|
|
# So, really, anything is acceptable unless return_value_known is
|
|
# true.
|
|
|
|
set test "value foo<n> returned; ${tests}"
|
|
gdb_test_multiple "p/c L${n}" "${test}" {
|
|
-re " = [foo ${n}].*${gdb_prompt} $" {
|
|
# This answer is okay regardless of whether GDB claims to
|
|
# have set the return value: if it did, then this is what
|
|
# we expected; and if it didn't, then any answer is okay.
|
|
pass "${test}"
|
|
}
|
|
-re " = [any $n].*${gdb_prompt} $" {
|
|
if $return_value_known {
|
|
# This contradicts the above claim that GDB knew
|
|
# the location of the return value.
|
|
fail "${test}"
|
|
} else {
|
|
# We expected L${n} to be set to garbage, so any
|
|
# answer is acceptable.
|
|
pass "${test}"
|
|
}
|
|
}
|
|
-re ".*${gdb_prompt} $" {
|
|
if $return_value_unimplemented {
|
|
# What a suprize. The architecture hasn't implemented
|
|
# return_value, and hence has to fail.
|
|
kfail "$test" gdb/1444
|
|
} else {
|
|
fail "$test"
|
|
}
|
|
}
|
|
}
|
|
|
|
# Check that a "finish" works.
|
|
|
|
# This is almost but not quite the same as "call struct funcs".
|
|
# Architectures can have subtle differences in the two code paths.
|
|
|
|
# The relevant code snippet is "L{n} = fun{n}()". The program is
|
|
# advanced into a call to "fun{n}" and then that function is
|
|
# finished. The returned value that GDB prints, reformatted using
|
|
# "p/c", is checked.
|
|
|
|
# Get into "fun${n}()".
|
|
gdb_test "advance fun${n}" \
|
|
"fun${n} .*\[\r\n\]+\[0-9\].*return foo${n}.*" \
|
|
"advance to fun<n> for finish; ${tests}"
|
|
|
|
# Check that the program invalidated the relevant global.
|
|
gdb_test "p/c L${n}" " = [zed $n]" "zed L<n> for finish; ${tests}"
|
|
|
|
# Finish the function, set 'finish_value_known" to non-empty if
|
|
# the return-value was found.
|
|
|
|
set test "finish foo<n>; ${tests}"
|
|
set finish_value_known 1
|
|
gdb_test_multiple "finish" "${test}" {
|
|
-re "Value returned is .*${gdb_prompt} $" {
|
|
pass "${test}"
|
|
}
|
|
-re "Value returned has type: struct struct$n. Cannot determine contents.*${gdb_prompt} $" {
|
|
# Expected bad value. For the moment this is ok.
|
|
set finish_value_known 0
|
|
pass "${test}"
|
|
}
|
|
}
|
|
|
|
# Re-print the last (return-value) using the more robust
|
|
# "p/c". If no return value was found, the 'Z' from the previous
|
|
# check that the variable was cleared, is printed.
|
|
set test "value foo<n> finished; ${tests}"
|
|
gdb_test_multiple "p/c" "${test}" {
|
|
-re "[foo ${n}]\[\r\n\]+${gdb_prompt} $" {
|
|
if $finish_value_known {
|
|
pass "${test}"
|
|
} else {
|
|
# This contradicts the above claim that GDB didn't
|
|
# know the location of the return-value.
|
|
fail "${test}"
|
|
}
|
|
}
|
|
-re "[zed ${n}]\[\r\n\]+${gdb_prompt} $" {
|
|
# The value didn't get found. This is "expected".
|
|
if $finish_value_known {
|
|
# This contradicts the above claim that GDB did
|
|
# know the location of the return-value.
|
|
fail "${test}"
|
|
} else {
|
|
pass "${test}"
|
|
}
|
|
}
|
|
}
|
|
|
|
# Finally, check that "return" and finish" have consistent
|
|
# behavior.
|
|
|
|
# Since "finish" works in more cases than "return" (see
|
|
# RETURN_VALUE_ABI_RETURNS_ADDRESS and
|
|
# RETURN_VALUE_ABI_PRESERVES_ADDRESS), the "return" value being
|
|
# known implies that the "finish" value is known (but not the
|
|
# reverse).
|
|
|
|
set test "return value known implies finish value known; ${tests}"
|
|
if {$return_value_known && ! $finish_value_known} {
|
|
kfail gdb/1444 "${test}"
|
|
} else {
|
|
pass "${test}"
|
|
}
|
|
}
|
|
|
|
# ABIs pass anything >8 or >16 bytes in memory but below that things
|
|
# randomly use register and/and structure conventions. Check all
|
|
# possible sized char structs in that range. But only a restricted
|
|
# range of the other types.
|
|
|
|
# NetBSD/PPC returns "unnatural" (3, 5, 6, 7) sized structs in memory.
|
|
|
|
# Test every single char struct from 1..17 in size. This is what the
|
|
# original "structs" test was doing.
|
|
|
|
start_structs_test { tc }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_calls 6
|
|
test_struct_calls 7
|
|
test_struct_calls 8
|
|
test_struct_calls 9
|
|
test_struct_calls 10
|
|
test_struct_calls 11
|
|
test_struct_calls 12
|
|
test_struct_calls 13
|
|
test_struct_calls 14
|
|
test_struct_calls 15
|
|
test_struct_calls 16
|
|
test_struct_calls 17
|
|
test_struct_returns 1
|
|
test_struct_returns 2
|
|
test_struct_returns 3
|
|
test_struct_returns 4
|
|
test_struct_returns 5
|
|
test_struct_returns 6
|
|
test_struct_returns 7
|
|
test_struct_returns 8
|
|
|
|
|
|
# Let the fun begin.
|
|
|
|
# Assuming that any integer struct larger than 8 bytes goes in memory,
|
|
# come up with many and varied combinations of a return struct. For
|
|
# "struct calls" test just beyond that 8 byte boundary, for "struct
|
|
# returns" test up to that boundary.
|
|
|
|
# For floats, assumed that up to two struct elements can be stored in
|
|
# floating point registers, regardless of their size.
|
|
|
|
# The approx size of each structure it is computed assumed that tc=1,
|
|
# ts=2, ti=4, tl=4, tll=8, tf=4, td=8, tld=16, and that all fields are
|
|
# naturally aligned. Padding being added where needed.
|
|
|
|
# Approx size: 2, 4, ...
|
|
start_structs_test { ts }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_returns 1
|
|
test_struct_returns 2
|
|
test_struct_returns 3
|
|
test_struct_returns 4
|
|
|
|
# Approx size: 4, 8, ...
|
|
start_structs_test { ti }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_returns 1
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 4, 8, ...
|
|
start_structs_test { tl }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_returns 1
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 8, 16, ...
|
|
start_structs_test { tll }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_returns 1
|
|
|
|
# Approx size: 4, 8, ...
|
|
start_structs_test { tf }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_returns 1
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 8, 16, ...
|
|
start_structs_test { td }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_returns 1
|
|
|
|
# Approx size: 16, 32, ...
|
|
start_structs_test { tld }
|
|
test_struct_calls 1
|
|
test_struct_calls 2
|
|
test_struct_returns 1
|
|
|
|
# Approx size: 2+1=3, 4, ...
|
|
start_structs_test { ts tc }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_calls 6
|
|
test_struct_calls 7
|
|
test_struct_calls 8
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 4+1=5, 6, ...
|
|
start_structs_test { ti tc }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_calls 6
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 4+1=5, 6, ...
|
|
start_structs_test { tl tc }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_calls 6
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 8+1=9, 10, ...
|
|
start_structs_test { tll tc }
|
|
test_struct_calls 2
|
|
|
|
# Approx size: 4+1=5, 6, ...
|
|
start_structs_test { tf tc }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_calls 6
|
|
test_struct_returns 2
|
|
|
|
# Approx size: 8+1=9, 10, ...
|
|
start_structs_test { td tc }
|
|
test_struct_calls 2
|
|
|
|
# Approx size: 16+1=17, 18, ...
|
|
start_structs_test { tld tc }
|
|
test_struct_calls 2
|
|
|
|
# Approx size: (1+1)+2=4, 6, ...
|
|
start_structs_test { tc ts }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_calls 5
|
|
test_struct_calls 6
|
|
test_struct_returns 2
|
|
|
|
# Approx size: (1+3)+4=8, 12, ...
|
|
start_structs_test { tc ti }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_returns 2
|
|
|
|
# Approx size: (1+3)+4=8, 12, ...
|
|
start_structs_test { tc tl }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
test_struct_returns 2
|
|
|
|
# Approx size: (1+7)+8=16, 24, ...
|
|
start_structs_test { tc tll }
|
|
test_struct_calls 2
|
|
|
|
# Approx size: (1+3)+4=8, 12, ...
|
|
start_structs_test { tc tf }
|
|
test_struct_calls 2
|
|
test_struct_calls 3
|
|
test_struct_calls 4
|
|
|
|
# Approx size: (1+7)+8=16, 24, ...
|
|
start_structs_test { tc td }
|
|
test_struct_calls 2
|
|
|
|
# Approx size: (1+15)+16=32, 48, ...
|
|
start_structs_test { tc tld }
|
|
test_struct_calls 2
|
|
|
|
# Some float combinations
|
|
|
|
# Approx size: 8+4=12, 16, ...
|
|
start_structs_test { td tf }
|
|
test_struct_calls 2
|
|
test_struct_returns 2
|
|
|
|
# Approx size: (4+4)+8=16, 32, ...
|
|
start_structs_test { tf td }
|
|
test_struct_calls 2
|
|
test_struct_returns 2
|
|
|
|
return 0
|