diff --git a/gdb/testsuite/gdb.base/structs.c b/gdb/testsuite/gdb.base/structs.c index f7124dace9..356f0729f1 100644 --- a/gdb/testsuite/gdb.base/structs.c +++ b/gdb/testsuite/gdb.base/structs.c @@ -1,6 +1,4 @@ -/* This testcase is part of GDB, the GNU debugger. - - Copyright 1996, 1999, 2003 Free Software Foundation, Inc. +/* Copyright 1996, 1999 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,110 +17,37 @@ Please email any bugs, comments, and/or additions to this file to: bug-gdb@prep.ai.mit.edu */ -/* Useful abreviations. */ -typedef void t; -typedef char tc; -typedef short ts; -typedef int ti; -typedef long tl; -typedef long long tll; -typedef float tf; -typedef double td; -typedef long double tld; +struct struct1 { char a;}; +struct struct2 { char a, b;}; +struct struct3 { char a, b, c; }; +struct struct4 { char a, b, c, d; }; +struct struct5 { char a, b, c, d, e; }; +struct struct6 { char a, b, c, d, e, f; }; +struct struct7 { char a, b, c, d, e, f, g; }; +struct struct8 { char a, b, c, d, e, f, g, h; }; +struct struct9 { char a, b, c, d, e, f, g, h, i; }; +struct struct10 { char a, b, c, d, e, f, g, h, i, j; }; +struct struct11 { char a, b, c, d, e, f, g, h, i, j, k; }; +struct struct12 { char a, b, c, d, e, f, g, h, i, j, k, l; }; +struct struct16 { char a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p; }; -/* Force the type of each field. */ -#ifndef tA -typedef t tA; -#endif -#ifndef tB -typedef tA tB; -#endif -#ifndef tC -typedef tB tC; -#endif -#ifndef tD -typedef tC tD; -#endif -#ifndef tE -typedef tD tE; -#endif -#ifndef tF -typedef tE tF; -#endif -#ifndef tG -typedef tF tG; -#endif -#ifndef tH -typedef tG tH; -#endif -#ifndef tI -typedef tH tI; -#endif -#ifndef tJ -typedef tI tJ; -#endif -#ifndef tK -typedef tJ tK; -#endif -#ifndef tL -typedef tK tL; -#endif -#ifndef tM -typedef tL tM; -#endif -#ifndef tN -typedef tM tN; -#endif -#ifndef tO -typedef tN tO; -#endif -#ifndef tP -typedef tO tP; -#endif -#ifndef tQ -typedef tP tQ; -#endif -#ifndef tR -typedef tQ tR; -#endif - -struct struct1 {tA a;}; -struct struct2 {tA a; tB b;}; -struct struct3 {tA a; tB b; tC c; }; -struct struct4 {tA a; tB b; tC c; tD d; }; -struct struct5 {tA a; tB b; tC c; tD d; tE e; }; -struct struct6 {tA a; tB b; tC c; tD d; tE e; tF f; }; -struct struct7 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; }; -struct struct8 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; }; -struct struct9 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; }; -struct struct10 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; }; -struct struct11 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; }; -struct struct12 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; }; -struct struct13 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; }; -struct struct14 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; }; -struct struct15 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; }; -struct struct16 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; tP p; }; -struct struct17 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; tP p; tQ q; }; -struct struct18 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; tP p; tQ q; tR r; }; - -struct struct1 foo1 = {'1'}, L1; -struct struct2 foo2 = {'a','2'}, L2; -struct struct3 foo3 = {'1','b','3'}, L3; -struct struct4 foo4 = {'a','2','c','4'}, L4; -struct struct5 foo5 = {'1','b','3','d','5'}, L5; -struct struct6 foo6 = {'a','2','c','4','e','6'}, L6; -struct struct7 foo7 = {'1','b','3','d','5','f','7'}, L7; -struct struct8 foo8 = {'a','2','c','4','e','6','g','8'}, L8; -struct struct9 foo9 = {'1','b','3','d','5','f','7','h','9'}, L9; -struct struct10 foo10 = {'a','2','c','4','e','6','g','8','i','A'}, L10; -struct struct11 foo11 = {'1','b','3','d','5','f','7','h','9','j','B'}, L11; -struct struct12 foo12 = {'a','2','c','4','e','6','g','8','i','A','k','C'}, L12; -struct struct13 foo13 = {'1','b','3','d','5','f','7','h','9','j','B','l','D'}, L13; -struct struct14 foo14 = {'a','2','c','4','e','6','g','8','i','A','k','C','m','E'}, L14; -struct struct15 foo15 = {'1','b','3','d','5','f','7','h','9','j','B','l','D','n','F'}, L15; -struct struct16 foo16 = {'a','2','c','4','e','6','g','8','i','A','k','C','m','E','o','G'}, L16; -struct struct17 foo17 = {'1','b','3','d','5','f','7','h','9','j','B','l','D','n','F','p','H'}, L17; -struct struct18 foo18 = {'a','2','c','4','e','6','g','8','i','A','k','C','m','E','o','G','q','I'}, L18; +struct struct1 foo1 = {'1'}, L1; +struct struct2 foo2 = { 'a', 'b'}, L2; +struct struct3 foo3 = { 'A', 'B', 'C'}, L3; +struct struct4 foo4 = {'1', '2', '3', '4'}, L4; +struct struct5 foo5 = {'a', 'b', 'c', 'd', 'e'}, L5; +struct struct6 foo6 = {'A', 'B', 'C', 'D', 'E', 'F'}, L6; +struct struct7 foo7 = {'1', '2', '3', '4', '5', '6', '7'}, L7; +struct struct8 foo8 = {'1', '2', '3', '4', '5', '6', '7', '8'}, L8; +struct struct9 foo9 = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i'}, L9; +struct struct10 foo10 = { + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J'}, L10; +struct struct11 foo11 = { + '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B'}, L11; +struct struct12 foo12 = { + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L'}, L12; +struct struct16 foo16 = { + 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'}, L16; struct struct1 fun1() { @@ -172,30 +97,10 @@ struct struct12 fun12() { return foo12; } -struct struct13 fun13() -{ - return foo13; -} -struct struct14 fun14() -{ - return foo14; -} -struct struct15 fun15() -{ - return foo15; -} struct struct16 fun16() { return foo16; } -struct struct17 fun17() -{ - return foo17; -} -struct struct18 fun18() -{ - return foo18; -} #ifdef PROTOTYPES void Fun1(struct struct1 foo1) @@ -306,33 +211,6 @@ void Fun12(foo12) L12 = foo12; } #ifdef PROTOTYPES -void Fun13(struct struct13 foo13) -#else -void Fun13(foo13) - struct struct13 foo13; -#endif -{ - L13 = foo13; -} -#ifdef PROTOTYPES -void Fun14(struct struct14 foo14) -#else -void Fun14(foo14) - struct struct14 foo14; -#endif -{ - L14 = foo14; -} -#ifdef PROTOTYPES -void Fun15(struct struct15 foo15) -#else -void Fun15(foo15) - struct struct15 foo15; -#endif -{ - L15 = foo15; -} -#ifdef PROTOTYPES void Fun16(struct struct16 foo16) #else void Fun16(foo16) @@ -341,64 +219,6 @@ void Fun16(foo16) { L16 = foo16; } -#ifdef PROTOTYPES -void Fun17(struct struct17 foo17) -#else -void Fun17(foo17) - struct struct17 foo17; -#endif -{ - L17 = foo17; -} -#ifdef PROTOTYPES -void Fun18(struct struct18 foo18) -#else -void Fun18(foo18) - struct struct18 foo18; -#endif -{ - L18 = foo18; -} - -zed () -{ - - L1.a = L2.a = L3.a = L4.a = L5.a = L6.a = L7.a = L8.a = L9.a = L10.a = L11.a = L12.a = L13.a = L14.a = L15.a = L16.a = L17.a = L18.a = 'Z'; - - L2.b = L3.b = L4.b = L5.b = L6.b = L7.b = L8.b = L9.b = L10.b = L11.b = L12.b = L13.b = L14.b = L15.b = L16.b = L17.b = L18.b = 'Z'; - - L3.c = L4.c = L5.c = L6.c = L7.c = L8.c = L9.c = L10.c = L11.c = L12.c = L13.c = L14.c = L15.c = L16.c = L17.c = L18.c = 'Z'; - - L4.d = L5.d = L6.d = L7.d = L8.d = L9.d = L10.d = L11.d = L12.d = L13.d = L14.d = L15.d = L16.d = L17.d = L18.d = 'Z'; - - L5.e = L6.e = L7.e = L8.e = L9.e = L10.e = L11.e = L12.e = L13.e = L14.e = L15.e = L16.e = L17.e = L18.e = 'Z'; - - L6.f = L7.f = L8.f = L9.f = L10.f = L11.f = L12.f = L13.f = L14.f = L15.f = L16.f = L17.f = L18.f = 'Z'; - - L7.g = L8.g = L9.g = L10.g = L11.g = L12.g = L13.g = L14.g = L15.g = L16.g = L17.g = L18.g = 'Z'; - - L8.h = L9.h = L10.h = L11.h = L12.h = L13.h = L14.h = L15.h = L16.h = L17.h = L18.h = 'Z'; - - L9.i = L10.i = L11.i = L12.i = L13.i = L14.i = L15.i = L16.i = L17.i = L18.i = 'Z'; - - L10.j = L11.j = L12.j = L13.j = L14.j = L15.j = L16.j = L17.j = L18.j = 'Z'; - - L11.k = L12.k = L13.k = L14.k = L15.k = L16.k = L17.k = L18.k = 'Z'; - - L12.l = L13.l = L14.l = L15.l = L16.l = L17.l = L18.l = 'Z'; - - L13.m = L14.m = L15.m = L16.m = L17.m = L18.m = 'Z'; - - L14.n = L15.n = L16.n = L17.n = L18.n = 'Z'; - - L15.o = L16.o = L17.o = L18.o = 'Z'; - - L16.p = L17.p = L18.p = 'Z'; - - L17.q = L18.q = 'Z'; - - L18.r = 'Z'; -} int main() { @@ -406,7 +226,24 @@ int main() set_debug_traps(); breakpoint(); #endif - int i; + + /* TEST C FUNCTIONS */ + L1 = fun1(); + L2 = fun2(); + L3 = fun3(); + L4 = fun4(); + L5 = fun5(); + L6 = fun6(); + L7 = fun7(); + L8 = fun8(); + L9 = fun9(); + L10 = fun10(); + L11 = fun11(); + L12 = fun12(); + L16 = fun16(); + + foo1.a = foo2.a = foo3.a = foo4.a = foo5.a = foo6.a = foo7.a = foo8.a = + foo9.a = foo10.a = foo11.a = foo12.a = foo16.a = '$'; Fun1(foo1); Fun2(foo2); @@ -420,40 +257,7 @@ int main() Fun10(foo10); Fun11(foo11); Fun12(foo12); - Fun13(foo13); - Fun14(foo14); - Fun15(foo15); Fun16(foo16); - Fun17(foo17); - Fun18(foo18); - - /* An infinite loop that first clears all the variables and then - calls each function. This "hack" is to make testing random - functions easier - "advance funN" is guaranteed to have always - been preceeded by a global variable clearing zed call. */ - - while (1) - { - zed (); - L1 = fun1(); - L2 = fun2(); - L3 = fun3(); - L4 = fun4(); - L5 = fun5(); - L6 = fun6(); - L7 = fun7(); - L8 = fun8(); - L9 = fun9(); - L10 = fun10(); - L11 = fun11(); - L12 = fun12(); - L13 = fun13(); - L14 = fun14(); - L15 = fun15(); - L16 = fun16(); - L17 = fun17(); - L18 = fun18(); - } return 0; } diff --git a/gdb/testsuite/gdb.base/structs.exp b/gdb/testsuite/gdb.base/structs.exp index 1112a99850..ed91c86e48 100644 --- a/gdb/testsuite/gdb.base/structs.exp +++ b/gdb/testsuite/gdb.base/structs.exp @@ -1,6 +1,4 @@ -# This testcase is part of GDB, the GNU debugger. - -# Copyright 1996, 1997, 1999, 2003 Free Software Foundation, Inc. +# Copyright 1996, 1997, 1999 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -19,6 +17,8 @@ # Please email any bugs, comments, and/or additions to this file to: # bug-gdb@prep.ai.mit.edu +# This file was written by Jeff Law. (law@cygnus.com) + if $tracelevel then { strace $tracelevel } @@ -26,655 +26,142 @@ if $tracelevel then { set prms_id 0 set bug_id 0 -# Some targets can't call functions, so don't even bother with this -# test. - -if [target_info exists gdb,cannot_call_functions] { - setup_xfail "*-*-*" - fail "This target can not call functions" - continue -} - +set prototypes 1 set testfile "structs" set srcfile ${testfile}.c set binfile ${objdir}/${subdir}/${testfile} -# Create and source the file that provides information about the -# compiler used to compile the test case. +# build the first test case +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { + # built the second test case since we can't use prototypes + warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES" +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." + } + set prototypes 0 +} +# Create and source the file that provides information about the compiler +# used to compile the test case. if [get_compiler_info ${binfile}] { return -1; } -# Compile a variant of structs.c using TYPES to specify the type of -# the first N struct elements (the remaining elements take the type of -# the last TYPES field). Run the compmiled program up to "main". -# Also updates the global "testfile" to reflect the most recent build. -proc start_structs_test { types } { - global testfile - global srcfile - global binfile - global objdir - global subdir - global srcdir +# Some targets can't call functions, so don't even bother with this +# test. +if [target_info exists gdb,cannot_call_functions] { + setup_xfail "*-*-*" 2416 + fail "This target can not call functions" + continue +} + + +# Call FUNC with no arguments, and expect to see the regexp RESULT in +# the output. If we get back the error message "Function return value +# unknown", call that an unsupported test; on some architectures, it's +# impossible to find structs returned by value reliably. +proc call_struct_func { func result } { global gdb_prompt - - # Create the additional flags - set flags "debug" - set testfile "structs" - set n 0 - for {set n 0} {$n<[llength ${types}]} {incr n} { - set m [I2A ${n}] - set t [lindex ${types} $n] - lappend flags "additional_flags=-Dt${m}=${t}" - append testfile "-" "$t" - } - - set binfile ${objdir}/${subdir}/${testfile} - if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "${flags}"] != "" } { - # built the second test case since we can't use prototypes - warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES" - if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "${flags} additional_flags=-DNO_PROTOTYPES"] != "" } { - gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." - } - } - - # Start with a fresh gdb. - gdb_start - gdb_reinitialize_dir $srcdir/$subdir - gdb_load ${binfile} - - # Make certain that the output is consistent - gdb_test "set print sevenbit-strings" "" \ - "set print sevenbit-strings; ${testfile}" - gdb_test "set print address off" "" \ - "set print address off; ${testfile}" - gdb_test "set width 0" "" \ - "set width 0; ${testfile}" - - # Advance to main - if { ![runto_main] } then { - gdb_suppress_tests; - } - - # check that at the struct containing all the relevant types is correct - set foo_t "type = struct struct[llength ${types}] \{" - for {set n 0} {$n<[llength ${types}]} {incr n} { - append foo_t "\[\r\n \]+[lindex ${types} $n] [i2a $n];" - } - append foo_t "\[\r\n \]+\}" - gdb_test "ptype foo[llength ${types}]" "${foo_t}" \ - "ptype foo[llength ${types}]; ${testfile}" -} - -# The expected value for fun${n}, L${n} and foo${n}. First element is -# empty to make indexing easier. "foo" returns the modified value, -# "zed" returns the invalid value. - -proc foo { n } { - return [lindex { - "{}" - "{a = 49 '1'}" - "{a = 97 'a', b = 50 '2'}" - "{a = 49 '1', b = 98 'b', c = 51 '3'}" - "{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4'}" - "{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5'}" - "{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6'}" - "{a = 49 '1', b = 98 'b', c = 51 '3', d = 100 'd', e = 53 '5', f = 102 'f', g = 55 '7'}" - "{a = 97 'a', b = 50 '2', c = 99 'c', d = 52 '4', e = 101 'e', f = 54 '6', g = 103 'g', h = 56 '8'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - } $n] -} - -proc zed { n } { - return [lindex { - "{}" - "{a = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z', c = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z'}" - "{a = 90 'Z', b = 90 'Z', c = 90 'Z', d = 90 'Z', e = 90 'Z', f = 90 'Z', g = 90 'Z', h = 90 'Z'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - "{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'}" - } $n] -} - -# Given N (0..25), return the corresponding alphabetic letter in lower -# or upper case. This is ment to be i18n proof. - -proc i2a { n } { - return [string range "abcdefghijklmnopqrstuvwxyz" $n $n] -} - -proc I2A { n } { - return [string toupper [i2a $n]] -} - - -# Use the file name, compiler and tuples to set up any needed KFAILs. - -proc setup_kfails { file tuples bug } { - global testfile - if [string match $file $testfile] { - foreach f $tuples { setup_kfail $f $bug } - } -} - -proc setup_compiler_kfails { file compiler format tuples bug } { - global testfile - if {[string match $file $testfile] && [test_compiler_info $compiler] && [test_debug_format $format]} { - foreach f $tuples { setup_kfail $f $bug } - } -} - -# Test GDB's ability to make inferior function calls to functions -# returning (or passing in a single structs. - -# N identifies the number of elements in the struct that will be used -# for the test case. FAILS is a list of target tuples that will fail -# this test. - -# start_structs_test() will have previously built a program with a -# specified combination of types for those elements. To ensure -# robustness of the output, "p/c" is used. - -# This tests the code paths "which return-value convention?" and -# "extract return-value from registers" called by "infcall.c". - -proc test_struct_calls { n } { - global testfile - global gdb_prompt - - # Check that GDB can always extract a struct-return value from an - # inferior function call. Since GDB always knows the location of an - # inferior function call's return value these should never fail - # Implemented by calling the parameterless function "fun$N" and then - # examining the return value printed by GDB. - - set tests "call $n ${testfile}" - - # Call fun${n}, checking the printed return-value. - setup_kfails structs-*tld* i686-*-* gdb/1447 - setup_compiler_kfails structs-tc-* gcc-3-3 "DWARF 2" i686-*-* gdb/1447 - gdb_test "p/c fun${n}()" "[foo ${n}]" "p/c fun(); ${tests}" - - # Check that GDB can always pass a structure to an inferior function. - # This test can never fail. - - # Implemented by calling the one parameter function "Fun$N" which - # stores its parameter in the global variable "L$N". GDB then - # examining that global to confirm that the value is as expected. - - gdb_test "call Fun${n}(foo${n})" "" "call Fun(foo); ${tests}" - setup_kfails structs-*tld* i686-*-* gdb/1447 - setup_compiler_kfails structs-tc-* gcc-3-3 "DWARF 2" i686-*-* gdb/1447 - gdb_test "p/c L${n}" [foo ${n}] "p/c L; ${tests}" + set command "p ${func}()" + send_gdb "${command}\n" + gdb_expect { + -re "$result\[\r\n\]+$gdb_prompt $" { + pass "$command" + } + -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" { + unsupported "$command" + } + -re "$gdb_prompt $" { + fail "$command" + } + timeout { + fail "$command (timeout)" + } + } } -# Test GDB's ability to both return a function (with "return" or -# "finish") and correctly extract/store any corresponding -# return-value. +# FIXME: Before calling this proc, we should probably verify that +# we can call inferior functions and get a valid integral value +# returned. +# Note that it is OK to check for 0 or 1 as the returned values, because C +# specifies that the numeric value of a relational or logical expression +# (computed in the inferior) is 1 for true and 0 for false. -# Check that GDB can consistently extract/store structure return -# values. There are two cases - returned in registers and returned in -# memory. For the latter case, the return value can't be found and a -# failure is "expected". However GDB must still both return the -# function and display the final source and line information. - -# N identifies the number of elements in the struct that will be used -# for the test case. FAILS is a list of target tuples that will fail -# this test. - -# This tests the code paths "which return-value convention?", "extract -# return-value from registers", and "store return-value in registers". -# Unlike "test struct calls", this test is expected to "fail" when the -# return-value is in memory (GDB can't find the location). The test -# is in three parts: test "return"; test "finish"; check that the two -# are consistent. GDB can sometimes work for one command and not the -# other. - -proc test_struct_returns { n } { +proc do_function_calls {} { + global prototypes + global gcc_compiled global gdb_prompt - global testfile - set tests "return $n ${testfile}" + # First, call the "fun" functions and examine the value they return. + call_struct_func "fun1" " = {a = 49 '1'}" + call_struct_func "fun2" " = {a = 97 'a', b = 98 'b'}" + call_struct_func "fun3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}" + call_struct_func "fun4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}" + call_struct_func "fun5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}" + call_struct_func "fun6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}" + 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'}" + 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'}" + 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'}" + 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'}" + 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'}" + 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'}" + 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'}" + # Now call the Fun functions to set the L* variables. This + # tests that gdb properly passes structures to functions. + gdb_test "p Fun1(foo1)" " = (void|0)" + gdb_test "p Fun2(foo2)" " = (void|0)" + gdb_test "p Fun3(foo3)" " = (void|0)" + gdb_test "p Fun4(foo4)" " = (void|0)" + gdb_test "p Fun5(foo5)" " = (void|0)" + gdb_test "p Fun6(foo6)" " = (void|0)" + gdb_test "p Fun7(foo7)" " = (void|0)" + gdb_test "p Fun8(foo8)" " = (void|0)" + gdb_test "p Fun9(foo9)" " = (void|0)" + gdb_test "p Fun10(foo10)" " = (void|0)" + gdb_test "p Fun11(foo11)" " = (void|0)" + gdb_test "p Fun12(foo12)" " = (void|0)" + gdb_test "p Fun16(foo16)" " = (void|0)" - # Check that "return" works. + # Now print the L* variables and examine their values. + gdb_test "p L1" " = {a = 49 '1'}" + gdb_test "p L2" " = {a = 97 'a', b = 98 'b'}" + gdb_test "p L3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}" + gdb_test "p L4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}" + gdb_test "p L5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}" + gdb_test "p L6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}" + gdb_test "p L7" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}" + gdb_test "p L8" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}" + gdb_test "p L9" " = {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'}" + gdb_test "p L10" " = {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'}" + gdb_test "p L11" " = {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'}" + gdb_test "p L12" " = {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'}" + gdb_test "p L16" " = {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'}" +} +# Start with a fresh gdb. - # GDB must always force the return of a function that has - # a struct result. Dependant on the ABI, it may, or may not be - # possible to store the return value in a register. +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} - # The relevant code looks like "L{n} = fun{n}()". The test forces - # "fun{n}" to "return" with an explicit value. Since that code - # snippet will store the the returned value in "L{n}" the return - # is tested by examining "L{n}". This assumes that the - # compiler implemented this as fun{n}(&L{n}) and hence that when - # the value isn't stored "L{n}" remains unchanged. Also check for - # consistency between this and the "finish" case. +gdb_test "set print sevenbit-strings" "" +gdb_test "set print address off" "" +gdb_test "set width 0" "" - # Get into a call of fun${n} - gdb_test "advance fun${n}" \ - "fun${n} .*\[\r\n\]+\[0-9\].*return foo${n}.*" \ - "advance to fun for return; ${tests}" - - # Check that the program invalidated the relevant global. - setup_kfails structs-tld i686-*-* gdb/1447 - gdb_test "p/c L${n}" " = [zed $n]" "zed L for return; ${tests} .${testfile}." - - # Force the "return". This checks that the return is always - # performed, and that GDB correctly reported this to the user. - # GDB 6.0 and earlier, when the return-value's location wasn't - # known, both failed to print a final "source and line" and misplaced - # the frame ("No frame"). - - # The test is writen so that it only reports one FAIL/PASS for the - # entire operation. The value returned is checked further down. - # "return_value_known" records if GDB thinks that it managed to print - # that final return value. - - send_gdb "return foo${n}\n" - set test "return foo; ${tests}" - set return_value_known 1 - gdb_expect { - -re "The location" { - # Ulgh, a struct return, remember this (still need prompt). - set return_value_known 0 - exp_continue - } - -re "Make fun${n} return now.*y or n. $" { - send_gdb "y\n" - gdb_expect { - -re "L${n} *= fun${n}.*${gdb_prompt} $" { - # Need to step off the function call - gdb_test "next" "L.* *= fun.*" "${test}" - } - -re "L[expr ${n} + 1] *= fun[expr ${n} + 1].*${gdb_prompt} $" { - pass "${test}" - } - timeout { - fail "${test} (timeout 2)" - } - } - } - -re "${gdb_prompt} $" { - fail "${test} (no query)" - } - timeout { - fail "${test} (timeout 1)" - } - } - - # Check that the return-value is as expected. At this stage we're - # just checking that GDB has returned a value consistent with - # "return_value_known" set above. - - send_gdb "p/c L${n}\n" - set test "value foo returned; ${tests}" - setup_kfails structs-*tld* i686-*-* gdb/1447 - gdb_expect { - -re " = [foo ${n}].*${gdb_prompt} $" { - if $return_value_known { - pass "${test}" - } else { - # This contradicts the above claim that GDB didn't - # know the location of the return-value. - fail "${test}" - } - } - -re " = [zed ${n}].*${gdb_prompt} $" { - if $return_value_known { - # This contradicts the above claim that GDB knew - # the location of the return-value. - fail "${test}" - } else { - # The struct return case. Since any modification - # would be by reference, and that can't happen, the - # value should be unmodified and hence Z is expected. - pass "${test}" - } - } - -re "${gdb_prompt} $" { - # Garbage returned, garbage printed - fail "${test}" - } - timeout { - fail "${test} (timeout)" - } - } - - # Check that a "finish" works. - - # This is almost but not quite the same as "call struct funcs". - # Architectures can have subtle differences in the two code paths. - - # The relevant code snippet is "L{n} = fun{n}()". The program is - # advanced into a call to "fun{n}" and then that function is - # finished. The returned value that GDB prints, reformatted using - # "p/c", is checked. - - # Get into "fun${n}()". - gdb_test "advance fun${n}" \ - "fun${n} .*\[\r\n\]+\[0-9\].*return foo${n}.*" \ - "advance to fun for finish; ${tests}" - - # Check that the program invalidated the relevant global. - setup_kfails structs-tld i686-*-* gdb/1447 - gdb_test "p/c L${n}" " = [zed $n]" "zed L for finish; ${tests}" - - # Finish the function, set 'finish_value_known" to indicate if the - # return-value was found. - send_gdb "finish\n" - set test "finish foo${n}; ${tests}" - set finish_value_known 1 - gdb_expect { - -re "Value returned is .*${gdb_prompt} $" { - pass "${test}" - } - -re "Cannot determine contents.*${gdb_prompt} $" { - # Expected bad value. For the moment this is ok. - set finish_value_known 0 - pass "${test}" - } - -re ".*${gdb_prompt} $" { - # Garbage returned - fail "${test}" - } - timeout { - fail "${test} (timeout)" - } - } - - # Re-print the last (return-value) using the more robust - # "p/c". If no return value was found, the 'Z' from the previous - # check that the variable was cleared, is printed. - send_gdb "p/c\n" - set test "value foo${n} finished; ${tests}" - setup_kfails structs-*tld* i686-*-* gdb/1447 - gdb_expect { - -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 "${test}" - } - } - -re ".*${gdb_prompt} $" { - # Garbage returned - fail "${test}" - } - timeout { - fail "${test} (timeout)" - } - } - - # Finally, check that "return" and finish" have consistent - # behavior. - - # Since both "return" and "finish" use equivalent "which - # return-value convention" logic, both commands should have - # identical can/can-not find return-value messages. - - # Note that since "call" and "finish" use common code paths, a - # failure here is a strong indicator of problems with "store - # return-value" code paths. Suggest looking at "return_value" - # when investigating a fix. - - setup_kfails structs-* i686-*-* gdb/1444 - if {$finish_value_known == $return_value_known} { - pass "return and finish consistent; ${tests}" - } else { - fail "return and finish consistent; ${tests}" - } +if [target_info exists gdb,cannot_call_functions] { + setup_xfail "*-*-*" 2416 + fail "This target can not call functions" + return 0 } -# 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. +if { ![runto_main] } then { + gdb_suppress_tests; +} -# NetBSD/PPC returns "unnatural" (3, 5, 6, 7) sized structs in memory. +do_function_calls; -# d10v is weird. 5/6 byte structs go in memory. 2 or more char -# structs go in memory. Everything else is in a register! - -# 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. Note that -# these numbers are just approx, the d10v has ti=2, a 64-bit has has -# tl=8. - -# 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, ... -# d10v: 4+4=8, 12, ... -start_structs_test { td tf } -test_struct_calls 2 -test_struct_returns 2 - -# Approx size: (4+4)+8=16, 32, ... -# d10v: 4+4=8, 12, ... -start_structs_test { tf td } -test_struct_calls 2 -test_struct_returns 2 +gdb_stop_suppressing_tests; return 0