From: Fred Fish Date: Sun, 30 Jul 1995 19:29:36 +0000 (+0000) Subject: * gdb.base/callfuncs.exp: Add tests for passing structs to X-Git-Tag: gdb-4_18~11289 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eed4066f6be2b1ddb85ef4fa4447cc66a76c6911;p=external%2Fbinutils.git * gdb.base/callfuncs.exp: Add tests for passing structs to inferior functions and return various types. * gdb.base/callfuncs.c: Add functions to receive a struct and return a member of the struct, in various types. --- diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 20d40e5..481d1e5 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,10 @@ +Sun Jul 30 10:24:20 1995 Fred Fish + + * gdb.base/callfuncs.exp: Add tests for passing structs to + inferior functions and return various types. + * gdb.base/callfuncs.c: Add functions to receive a struct + and return a member of the struct, in various types. + Sat Jul 29 14:22:33 1995 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) * gdb.base/Makefile.in (clean): Remove callf-info.exp. diff --git a/gdb/testsuite/gdb.base/callfuncs.exp b/gdb/testsuite/gdb.base/callfuncs.exp new file mode 100644 index 0000000..a58149a --- /dev/null +++ b/gdb/testsuite/gdb.base/callfuncs.exp @@ -0,0 +1,215 @@ +# Copyright (C) 1992 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 +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Fred Fish. (fnf@cygnus.com) + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +set binfile "callfuncs" +set srcfile $binfile.c + +if ![file exists $objdir/$subdir/$binfile] then { + perror "$objdir/$subdir/$binfile does not exist" + return 0 +} + +# The a29k can't call functions, so don't even bother with this test. +if [istarget "a29k-*-udi"] then { + setup_xfail "a29k-*-udi" 2416 + fail "a29k-*-udi can not call functions" + continue +} + +# Set the current language to C. This counts as a test. If it +# fails, then we skip the other tests. + +proc set_lang_c {} { + global prompt + + send "set language c\n" + expect { + -re ".*$prompt $" {} + timeout { fail "set language c (timeout)" ; return 0 } + } + + send "show language\n" + expect { + -re ".* source language is \"c\".*$prompt $" { + pass "set language to \"c\"" + return 1 + } + -re ".*$prompt $" { + fail "setting language to \"c\"" + return 0 + } + timeout { + fail "can't show language (timeout)" + return 0 + } + } +} + +# 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. + +proc do_function_calls {} { + global prototypes + + gdb_test "p t_char_values(0,0)" " = 0" + gdb_test "p t_char_values('a','b')" " = 1" + gdb_test "p t_char_values(char_val1,char_val2)" " = 1" + gdb_test "p t_char_values('a',char_val2)" " = 1" + gdb_test "p t_char_values(char_val1,'b')" " = 1" + + gdb_test "p t_short_values(0,0)" " = 0" + gdb_test "p t_short_values(10,-23)" " = 1" + gdb_test "p t_short_values(short_val1,short_val2)" " = 1" + gdb_test "p t_short_values(10,short_val2)" " = 1" + gdb_test "p t_short_values(short_val1,-23)" " = 1" + + gdb_test "p t_int_values(0,0)" " = 0" + gdb_test "p t_int_values(87,-26)" " = 1" + gdb_test "p t_int_values(int_val1,int_val2)" " = 1" + gdb_test "p t_int_values(87,int_val2)" " = 1" + gdb_test "p t_int_values(int_val1,-26)" " = 1" + + gdb_test "p t_long_values(0,0)" " = 0" + gdb_test "p t_long_values(789,-321)" " = 1" + gdb_test "p t_long_values(long_val1,long_val2)" " = 1" + gdb_test "p t_long_values(789,long_val2)" " = 1" + gdb_test "p t_long_values(long_val1,-321)" " = 1" + + gdb_test "p t_float_values(0.0,0.0)" " = 0" + gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" + gdb_test "p t_float_values(float_val1,float_val2)" " = 1" + gdb_test "p t_float_values(3.14159,float_val2)" " = 1" + gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" + + # Test passing of arguments which might not be widened. + gdb_test "p t_float_values2(0.0,0.0)" " = 0" + if $prototypes then {setup_xfail "*-*-*" 5318} + gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" + gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" + + gdb_test "p t_double_values(0.0,0.0)" " = 0" + gdb_test "p t_double_values(45.654,-67.66)" " = 1" + gdb_test "p t_double_values(double_val1,double_val2)" " = 1" + gdb_test "p t_double_values(45.654,double_val2)" " = 1" + gdb_test "p t_double_values(double_val1,-67.66)" " = 1" + + gdb_test "p t_string_values(string_val2,string_val1)" " = 0" + gdb_test "p t_string_values(string_val1,string_val2)" " = 1" + gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" + gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" + gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" + + gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" + gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" + gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" + gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" + gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" + + gdb_test "p doubleit(4)" " = 8" + gdb_test "p add(4,5)" " = 9" + gdb_test "p t_func_values(func_val2,func_val1)" " = 0" + gdb_test "p t_func_values(func_val1,func_val2)" " = 1" + + # On the rs6000, we need to pass the address of the trampoline routine, + # not the address of add itself. I don't know how to go from add to + # the address of the trampoline. Similar problems exist on the HPPA, + # and in fact can present an unsolvable problem as the stubs may not + # even exist in the user's program. We've slightly recoded t_func_values + # to avoid such problems in the common case. This may or may not help + # the RS6000. + setup_xfail "rs6000*-*-*" + gdb_test "p t_func_values(add,func_val2)" " = 1" + + setup_xfail "rs6000*-*-*" + gdb_test "p t_func_values(func_val1,doubleit)" " = 1" + + gdb_test "p t_call_add(func_val1,3,4)" " = 7" + + setup_xfail "rs6000*-*-*" + gdb_test "p t_call_add(add,3,4)" " = 7" + + gdb_test "p t_enum_value1(enumval1)" " = 1" + gdb_test "p t_enum_value1(enum_val1)" " = 1" + gdb_test "p t_enum_value1(enum_val2)" " = 0" + + gdb_test "p t_enum_value2(enumval2)" " = 1" + gdb_test "p t_enum_value2(enum_val2)" " = 1" + gdb_test "p t_enum_value2(enum_val1)" " = 0" + + gdb_test "p sum_args(1,{2})" " = 2" + gdb_test "p sum_args(2,{2,3})" " = 5" + gdb_test "p sum_args(3,{2,3,4})" " = 9" + gdb_test "p sum_args(4,{2,3,4,5})" " = 14" + gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55" + + gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \ + "call inferior func with struct - returns char" + gdb_test "p t_structs_s(struct_val1)" "= 87" \ + "call inferior func with struct - returns short" + gdb_test "p t_structs_i(struct_val1)" "= 76" \ + "call inferior func with struct - returns int" + gdb_test "p t_structs_l(struct_val1)" "= 51" \ + "call inferior func with struct - returns long" + setup_xfail "i*86-*-linux*" + gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ + "call inferior func with struct - returns float" + setup_xfail "i*86-*-linux*" + gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ + "call inferior func with struct - returns double" + gdb_test "p t_structs_a(struct_val1)" "= \"foo\"" \ + "call inferior func with struct - returns char *" + +} + +# Start with a fresh gdb. + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load $objdir/$subdir/$binfile + +source gdb.base/callf-info.exp + +send "set print sevenbit-strings\n" ; expect -re "$prompt $" +send "set print address off\n" ; expect -re "$prompt $" +send "set width 0\n" ; expect -re "$prompt $" + +if [set_lang_c] then { + if [runto_main] then { + do_function_calls + } else { + fail "C function calling tests suppressed" + } +} else { + fail "C function calling tests suppressed" +} +return 0