If GDB says it can't find the struct the function returned, report
those tests as `unsupported'. * gdb.base/structs.exp (call_struct_func): New function. (do_function_calls): Use call_struct_func to call the functions returning structs.
This commit is contained in:
Jim Blandy
parent
0bc695097f
commit
f2e54a8073
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@ -1,5 +1,11 @@
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2001-12-07 Jim Blandy <jimb@redhat.com>
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If GDB says it can't find the struct the function returned, report
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those tests as `unsupported'.
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* gdb.base/structs.exp (call_struct_func): New function.
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(do_function_calls): Use call_struct_func to call the functions
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returning structs.
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* gdb.base/callfuncs.exp: The stabs generated by GCC don't tell us
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whether functions are prototyped or not, so we can't possibly pass
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arguments to t_float_values2 properly.
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@ -54,6 +54,32 @@ if [istarget "a29k-*-udi"] then {
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continue
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}
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# Call FUNC with no arguments, and expect to see the regexp RESULT in
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# the output. If we get back the error message "Function return value
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# unknown", call that an unsupported test; on some architectures, it's
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# impossible to find structs returned by value reliably.
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proc call_struct_func { func result } {
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global gdb_prompt
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set command "p ${func}()"
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send_gdb "${command}\n"
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gdb_expect {
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-re "$result\[\r\n\]+$gdb_prompt $" {
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pass "$command"
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}
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-re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
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unsupported "$command"
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}
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-re "$gdb_prompt $" {
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fail "$command"
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}
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timeout {
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fail "$command (timeout)"
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}
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}
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}
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# FIXME: Before calling this proc, we should probably verify that
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# we can call inferior functions and get a valid integral value
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# returned.
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@ -67,19 +93,19 @@ proc do_function_calls {} {
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global gdb_prompt
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# First, call the "fun" functions and examine the value they return.
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gdb_test "p fun1()" " = {a = 49 '1'}"
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gdb_test "p fun2()" " = {a = 97 'a', b = 98 'b'}"
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gdb_test "p fun3()" " = {a = 65 'A', b = 66 'B', c = 67 'C'}"
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gdb_test "p fun4()" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}"
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gdb_test "p fun5()" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}"
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gdb_test "p fun6()" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}"
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gdb_test "p fun7()" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}"
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gdb_test "p fun8()" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}"
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gdb_test "p fun9()" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i'}"
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gdb_test "p fun10()" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J'}"
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gdb_test "p fun11()" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8', i = 57 '9', j = 65 'A', k = 66 'B'}"
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gdb_test "p fun12()" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J', k = 75 'K', l = 76 'L'}"
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gdb_test "p fun16()" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i', j = 106 'j', k = 107 'k', l = 108 'l', m = 109 'm', n = 110 'n', o = 111 'o', p = 112 'p'}"
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call_struct_func "fun1" " = {a = 49 '1'}"
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call_struct_func "fun2" " = {a = 97 'a', b = 98 'b'}"
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call_struct_func "fun3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}"
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call_struct_func "fun4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}"
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call_struct_func "fun5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}"
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call_struct_func "fun6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}"
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call_struct_func "fun7" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}"
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call_struct_func "fun8" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}"
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call_struct_func "fun9" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i'}"
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call_struct_func "fun10" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J'}"
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call_struct_func "fun11" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8', i = 57 '9', j = 65 'A', k = 66 'B'}"
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call_struct_func "fun12" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J', k = 75 'K', l = 76 'L'}"
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call_struct_func "fun16" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i', j = 106 'j', k = 107 'k', l = 108 'l', m = 109 'm', n = 110 'n', o = 111 'o', p = 112 'p'}"
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# Now call the Fun functions to set the L* variables. This
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# tests that gdb properly passes structures to functions.
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