| # Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
| # 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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) |
| # and modified by Bob Manson. (manson@cygnus.com) |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| set testfile "callfuncs" |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| } |
| |
| # Create and source the file that provides information about the compiler |
| # used to compile the test case. |
| |
| if [get_compiler_info ${binfile}] { |
| return -1; |
| } |
| |
| if {$hp_aCC_compiler} { |
| set prototypes 1 |
| } else { |
| set prototypes 0 |
| } |
| |
| # Some targets can't do function calls, 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 |
| } |
| |
| # 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 gdb_prompt |
| |
| send_gdb "set language c\n" |
| gdb_expect { |
| -re ".*$gdb_prompt $" {} |
| timeout { fail "set language c (timeout)" ; return 0; } |
| } |
| |
| send_gdb "show language\n" |
| gdb_expect { |
| -re ".* source language is \"c\".*$gdb_prompt $" { |
| pass "set language to \"c\"" |
| return 1 |
| } |
| -re ".*$gdb_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 |
| global gcc_compiled |
| global gdb_prompt |
| |
| # We need to up this because this can be really slow on some boards. |
| set timeout 60; |
| |
| 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" |
| |
| if ![target_info exists gdb,skip_float_tests] { |
| gdb_test "p t_float_values(0.0,0.0)" " = 0" |
| |
| # These next four tests fail on the mn10300. |
| # The first value is passed in regs, the other in memory. |
| # Gcc emits different stabs for the two parameters; the first is |
| # claimed to be a float, the second a double. |
| # dbxout.c in gcc claims this is the desired behavior. |
| setup_xfail "mn10300-*-*" |
| gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
| setup_xfail "mn10300-*-*" |
| gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
| setup_xfail "mn10300-*-*" |
| gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
| setup_xfail "mn10300-*-*" |
| gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
| |
| # Test passing of arguments which might not be widened. |
| # Under stabs, GCC doesn't tell us whether the function was |
| # prototyped or not. |
| if {$gcc_compiled} { setup_xfail_format "stabs" } |
| gdb_test "p t_float_values2(0.0,0.0)" " = 0" |
| |
| # Although PR 5318 mentions SunOS specifically, this seems |
| # to be a generic problem on quite a few platforms. |
| if $prototypes then { |
| setup_xfail "sparc-*-*" "mips*-*-*" 5318 |
| if {!$gcc_compiled} then { |
| setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318 |
| } |
| } |
| |
| # Under stabs, GCC doesn't tell us whether the function was |
| # prototyped or not. |
| if {$gcc_compiled} { setup_xfail_format "stabs" } |
| 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*-*-*" |
| setup_xfail "powerpc*-*-*" |
| if {![istarget hppa*-*-hpux*]} then { |
| gdb_test "p t_func_values(add,func_val2)" " = 1" |
| } |
| |
| setup_xfail "rs6000*-*-*" |
| setup_xfail "powerpc*-*-*" |
| if {![istarget hppa*-*-hpux*]} then { |
| gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
| } |
| |
| setup_xfail "rs6000*-*-*" |
| setup_xfail "powerpc*-*-*" |
| if {![istarget hppa*-*-hpux*]} then { |
| gdb_test "p t_call_add(add,3,4)" " = 7" |
| } |
| gdb_test "p t_call_add(func_val1,3,4)" " = 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 cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1" |
| |
| 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" |
| gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ |
| "call inferior func with struct - returns float" |
| 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)" "= (.unsigned char .. )?\"foo\"" \ |
| "call inferior func with struct - returns char *" |
| } |
| |
| # Procedure to get current content of all registers. |
| global all_registers_content |
| set all_registers_content "" |
| proc do_get_all_registers { } { |
| global gdb_prompt |
| global expect_out |
| global all_registers_content |
| |
| set all_registers_content "" |
| send_gdb "info all-registers\n" |
| gdb_expect { |
| -re "info all-registers\r\n(.*)$gdb_prompt $" { |
| set all_registers_content $expect_out(1,string) |
| } |
| default {} |
| } |
| } |
| |
| # Start with a fresh gdb. |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| gdb_test "set print sevenbit-strings" "" |
| gdb_test "set print address off" "" |
| gdb_test "set width 0" "" |
| |
| if { $hp_aCC_compiler } { |
| # Do not set language explicitly to 'C'. This will cause aCC |
| # tests to fail because promotion rules are different. Just let |
| # the language be set to the default. |
| |
| if { ![runto_main] } { |
| gdb_suppress_tests; |
| } |
| |
| # However, turn off overload-resolution for aCC. Having it on causes |
| # a lot of failures. |
| |
| gdb_test "set overload-resolution 0" ".*" |
| } else { |
| if { ![set_lang_c] } { |
| gdb_suppress_tests; |
| } else { |
| if { ![runto_main] } { |
| gdb_suppress_tests; |
| } |
| } |
| } |
| |
| get_debug_format |
| |
| # Make sure that malloc gets called and that the floating point unit |
| # is initialized via a call to t_double_values. |
| gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \ |
| "next to t_double_values" |
| gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ |
| "next to t_structs_c" |
| |
| # Save all register contents. |
| do_get_all_registers |
| set old_reg_content $all_registers_content |
| |
| # Perform function calls. |
| do_function_calls |
| |
| # Check if all registers still have the same value. |
| do_get_all_registers |
| set new_reg_content $all_registers_content |
| if ![string compare $old_reg_content $new_reg_content] then { |
| pass "gdb function calls preserve register contents" |
| } else { |
| set old_reg_content $all_registers_content |
| fail "gdb function calls preserve register contents" |
| } |
| |
| # Set breakpoint at a function we will call from gdb. |
| gdb_breakpoint add |
| |
| # Call function (causing a breakpoint hit in the call dummy) and do a continue, |
| # make sure we are back at main and still have the same register contents. |
| gdb_test "print add(4,5)" \ |
| "The program being debugged stopped while.*" \ |
| "stop at breakpoint in call dummy function" |
| gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" |
| if ![gdb_test "bt 2" \ |
| "#0 main.*" \ |
| "bt after continuing from call dummy breakpoint"] then { |
| do_get_all_registers |
| set new_reg_content $all_registers_content |
| if ![string compare $old_reg_content $new_reg_content] then { |
| pass "continue after stop in call dummy preserves register contents" |
| } else { |
| fail "continue after stop in call dummy preserves register contents" |
| } |
| } |
| |
| # Call function (causing a breakpoint hit in the call dummy) and do a finish, |
| # make sure we are back at main and still have the same register contents. |
| gdb_test "print add(4,5)" "The program being debugged stopped while.*" "" |
| gdb_test "finish" \ |
| "Value returned is .* = 9" \ |
| "finish from call dummy breakpoint returns correct value" |
| if ![gdb_test "bt 2" \ |
| "#0 main.*" \ |
| "bt after finishing from call dummy breakpoint"] then { |
| do_get_all_registers |
| set new_reg_content $all_registers_content |
| if ![string compare $old_reg_content $new_reg_content] then { |
| pass "finish after stop in call dummy preserves register contents" |
| } else { |
| fail "finish after stop in call dummy preserves register contents" |
| } |
| } |
| |
| # Call function (causing a breakpoint hit in the call dummy) and do a return |
| # with a value, make sure we are back at main with the same register contents. |
| gdb_test "print add(4,5)" "The program being debugged stopped while.*" "" |
| if ![gdb_test "return 7" \ |
| "#0 main.*" \ |
| "back at main after return from call dummy breakpoint" \ |
| "Make add return now. .y or n.*" \ |
| "y"] then { |
| do_get_all_registers |
| set new_reg_content $all_registers_content |
| if ![string compare $old_reg_content $new_reg_content] then { |
| pass "return after stop in call dummy preserves register contents" |
| } else { |
| fail "return after stop in call dummy preserves register contents" |
| } |
| } |
| |
| # Call function (causing a breakpoint hit in the call dummy), and |
| # call another function from the call dummy frame (thereby setting up |
| # several nested call dummy frames). Test that backtrace and finish |
| # work when several call dummies are nested. |
| gdb_breakpoint sum10 |
| gdb_breakpoint t_small_values |
| gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ |
| "stop at nested call level 1" |
| gdb_test "backtrace" \ |
| "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
| "backtrace at nested call level 1" |
| gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
| "stop at nested call level 2" |
| gdb_test "backtrace" \ |
| "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
| "backtrace at nested call level 2" |
| gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ |
| "The program being debugged stopped while.*" \ |
| "stop at nested call level 3" |
| gdb_test "backtrace" \ |
| "\#0 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1 <function called from gdb>.*\#2 add \\(a=4, b=5\\).*\#3 <function called from gdb>.*\#4 add \\(a=2, b=3\\).*\#5 <function called from gdb>.*\#6 main.*" \ |
| "backtrace at nested call level 3" |
| gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ |
| "The program being debugged stopped while.*" \ |
| "stop at nested call level 4" |
| gdb_test "backtrace" \ |
| "\#0 t_small_values \\(arg1=1 '.001', arg2=3, arg3=5, arg4=7 '.a', arg5=9, arg6=11 '.v', arg7=13, arg8=15, arg9=17, arg10=19\\).*\#2 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#3 <function called from gdb>.*\#4 add \\(a=4, b=5\\).*\#5 <function called from gdb>.*\#6 add \\(a=2, b=3\\).*\#7 <function called from gdb>.*\#8 main.*" \ |
| "backtrace at nested call level 4" |
| gdb_test "finish" "Value returned is .* = 100" \ |
| "Finish from nested call level 4" |
| gdb_test "backtrace" \ |
| "\#0 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1 <function called from gdb>.*\#2 add \\(a=4, b=5\\).*\#3 <function called from gdb>.*\#4 add \\(a=2, b=3\\).*\#5 <function called from gdb>.*\#6 main.*" \ |
| "backtrace after finish from nested call level 4" |
| gdb_test "finish" "Value returned is .* = 110" \ |
| "Finish from nested call level 3" |
| gdb_test "backtrace" \ |
| "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
| "backtrace after finish from nested call level 3" |
| gdb_test "finish" "Value returned is .* = 9" \ |
| "Finish from nested call level 2" |
| gdb_test "backtrace" \ |
| "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
| "backtrace after finish from nested call level 2" |
| gdb_test "finish" "Value returned is .* = 5" \ |
| "Finish from nested call level 1" |
| gdb_test "backtrace" "\#0 main .*" \ |
| "backtrace after finish from nested call level 1" |
| |
| do_get_all_registers |
| set new_reg_content $all_registers_content |
| if ![string compare $old_reg_content $new_reg_content] then { |
| pass "nested call dummies preserve register contents" |
| } else { |
| fail "nested call dummies preserve register contents" |
| } |
| |
| return 0 |
| |