| # Copyright 1992-2021 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 3 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, see <http://www.gnu.org/licenses/>. |
| |
| # This file was written by Fred Fish. (fnf@cygnus.com) |
| # and modified by Bob Manson. (manson@cygnus.com) |
| |
| standard_testfile |
| |
| set compile_flags {debug} |
| if [support_complex_tests] { |
| lappend compile_flags "additional_flags=-DTEST_COMPLEX" |
| } |
| |
| # Some targets can't do function calls, so don't even bother with this |
| # test. |
| if [target_info exists gdb,cannot_call_functions] { |
| unsupported "this target can not call functions" |
| continue |
| } |
| |
| set skip_float_test [gdb_skip_float_test] |
| |
| # 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 {prototypes} { |
| global gdb_prompt skip_float_test |
| |
| # We need to up this because this can be really slow on some boards. |
| set timeout 60 |
| |
| # If any of these calls segv we don't want to affect subsequent tests. |
| # E.g., we want to ensure register values are restored. |
| gdb_test_no_output "set unwindonsignal on" |
| |
| 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 {!$skip_float_test} { |
| gdb_test "p t_float_values(0.0,0.0)" " = 0" |
| |
| # These next four tests fail on the mn10300. |
| # The first value is passed in regs, the other in memory. |
| # Gcc emits different stabs for the two parameters; the first is |
| # claimed to be a float, the second a double. |
| # dbxout.c in gcc claims this is the desired behavior. |
| # These tests also fail for RealView, because GDB can not tell that |
| # the function is unprototyped. |
| setup_xfail "mn10300-*-*" |
| if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
| gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
| setup_xfail "mn10300-*-*" |
| if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
| gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
| setup_xfail "mn10300-*-*" |
| if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
| gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
| setup_xfail "mn10300-*-*" |
| if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
| gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
| # Same, via unprototyped function pointer (t_float_values is |
| # always unprototyped). |
| gdb_test "p ((int (*) ()) t_float_values)(float_val1,-2.3765)" " = 1" |
| |
| # Test passing of arguments which might not be widened. |
| gdb_test "p t_float_values2(0.0,0.0)" " = 0" |
| # Same, via function pointer. |
| if {$prototypes} { |
| gdb_test "p ((int (*) (float, float)) t_float_values2)(0.0,0.0)" " = 0" |
| } else { |
| gdb_test "p ((int (*) ()) t_float_values2)(0.0,0.0)" " = 0" |
| } |
| |
| gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" |
| if {$prototypes} { |
| gdb_test "p ((int (*) (float, float)) t_float_values2)(3.14159,float_val2)" " = 1" |
| } else { |
| gdb_test "p ((int (*) ()) t_float_values2)(3.14159,float_val2)" " = 1" |
| } |
| |
| gdb_test "p t_float_many_args (float_val1, float_val2, float_val3, float_val4, float_val5, float_val6, float_val7, float_val8, float_val9, float_val10, float_val11, float_val12, float_val13, float_val14, float_val15)" " = 1" "call function with many float arguments." |
| |
| 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_double_many_args (double_val1, double_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14, double_val15)" " = 1" "call function with many double arguments." |
| |
| gdb_test "p t_double_int(99.0, 1)" " = 0" |
| gdb_test "p t_double_int(99.0, 99)" " = 1" |
| gdb_test "p t_int_double(99, 1.0)" " = 0" |
| gdb_test "p t_int_double(99, 99.0)" " = 1" |
| } |
| |
| if [support_complex_tests] { |
| gdb_test "p t_float_complex_values(fc1, fc2)" " = 1" |
| gdb_test "p t_float_complex_values(fc3, fc4)" " = 0" |
| |
| gdb_test "p t_float_complex_many_args(fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4)" " = 1" |
| gdb_test "p t_float_complex_many_args(fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1)" " = 0" |
| |
| gdb_test "p t_double_complex_values(dc1, dc2)" " = 1" |
| gdb_test "p t_double_complex_values(dc3, dc4)" " = 0" |
| |
| gdb_test "p t_double_complex_many_args(dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4)" " = 1" |
| gdb_test "p t_double_complex_many_args(dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1)" " = 0" |
| |
| gdb_test "p t_long_double_complex_values(ldc1, ldc2)" " = 1" |
| gdb_test "p t_long_double_complex_values(ldc3, ldc4)" " = 0" |
| gdb_test "p t_long_double_complex_many_args(ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4)" " = 1" |
| gdb_test "p t_long_double_complex_many_args(ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1,ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1)" " = 0" |
| } |
| |
| 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" |
| |
| gdb_test "p function_struct.func(5)" " = 10" |
| gdb_test "p function_struct_ptr->func(10)" " = 20" |
| |
| # GDB currently screws up the passing of function parameters for |
| # ABIs that use function descriptors. Instead of passing the |
| # address of te function descriptor, GDB passes the address of the |
| # function body. This results in the called function treating the |
| # first few instructions of the function proper as a descriptor |
| # and attempting a jump through that (a totally random address). |
| setup_kfail gdb/1457 "rs6000*-*-aix*" |
| setup_kfail gdb/1457 "powerpc*-*-aix*" |
| gdb_test "p t_func_values(add,func_val2)" " = 1" |
| setup_kfail gdb/1457 "rs6000*-*-aix*" |
| setup_kfail gdb/1457 "powerpc*-*-aix*" |
| gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
| setup_kfail gdb/1457 "rs6000*-*-aix*" |
| setup_kfail gdb/1457 "powerpc*-*-aix*" |
| 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" |
| |
| if {!$skip_float_test} { |
| 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" |
| } |
| |
| if [support_complex_tests] { |
| |
| gdb_test "p t_structs_fc(struct_val1)" ".*= 3 \\+ 3i" \ |
| "call inferior func with struct - returns float _Complex" |
| |
| gdb_test "p t_structs_dc(struct_val1)" ".*= 4 \\+ 4i" \ |
| "call inferior func with struct - returns double _Complex" |
| |
| gdb_test "p t_structs_ldc(struct_val1)" "= 5 \\+ 5i" \ |
| "call inferior func with struct - returns long double _Complex" |
| } |
| |
| gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?<.*buf.*> \"foo\"" \ |
| "call inferior func with struct - returns char *" |
| |
| # Restore default value. |
| gdb_test_no_output "set unwindonsignal off" |
| } |
| |
| # Procedure to get current content of all registers. |
| proc fetch_all_registers {test} { |
| global gdb_prompt |
| |
| set all_registers_lines {} |
| set bad -1 |
| # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
| # corrupting the next matches. |
| if {[gdb_test_multiple "info all-registers" $test { |
| -re "info all-registers\r\n" { |
| exp_continue |
| } |
| -ex "The program has no registers now" { |
| set bad 1 |
| exp_continue |
| } |
| -re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" { |
| if [istarget "ia64-*-*"] { |
| # Filter out bspstore which is specially tied to bsp, |
| # giving spurious differences. |
| } else { |
| lappend all_registers_lines $expect_out(0,string) |
| } |
| exp_continue |
| } |
| -re "^pstate\[ \t\]+\[^\r\n\]+\r\n" { |
| if [istarget "sparc64-*-linux-gnu"] { |
| # Filter out the pstate register, since in sparc64 |
| # targets the Linux kernel disables pstate.PEF when |
| # returning from traps, giving spurious differences. |
| } else { |
| lappend all_registers_lines $expect_out(0,string) |
| } |
| exp_continue |
| } |
| -re "^last_break\[ \t\]+\[^\r\n\]+\r\n" { |
| if [istarget "s390*-*-*"] { |
| # Filter out last_break which is read-only, |
| # giving spurious differences. |
| } else { |
| lappend all_registers_lines $expect_out(0,string) |
| } |
| exp_continue |
| } |
| -re "^\(?:cycle\|instret\)\[ \t\]+\[^\r\n\]+\r\n" { |
| if [istarget "riscv*-*-*"] { |
| # Filter out the cycle counter and instructions |
| # retired counter CSRs which are read-only, giving |
| # spurious differences. |
| } else { |
| lappend all_registers_lines $expect_out(0,string) |
| } |
| exp_continue |
| } |
| -re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" { |
| lappend all_registers_lines $expect_out(0,string) |
| exp_continue |
| } |
| -re "$gdb_prompt $" { |
| incr bad |
| } |
| -re "^\[^\r\n\]+\r\n" { |
| if {!$bad} { |
| warning "Unrecognized output: $expect_out(0,string)" |
| set bad 1 |
| } |
| exp_continue |
| } |
| }] != 0} { |
| return {} |
| } |
| |
| if {$bad} { |
| fail $test |
| return {} |
| } |
| |
| pass $test |
| return $all_registers_lines |
| } |
| |
| # Global used by RERUN_AND_PREPARE to make test names unique. |
| set rerun_count 0 |
| |
| proc rerun_and_prepare {} { |
| global rerun_count |
| |
| incr rerun_count |
| with_test_prefix "rerun number ${rerun_count}" { |
| |
| if { ![runto_main] } { |
| return |
| } |
| |
| gdb_test_no_output "set language c" |
| |
| 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" |
| } |
| } |
| |
| proc perform_all_tests {prototypes} { |
| gdb_test_no_output "set print sevenbit-strings" |
| gdb_test_no_output "set print address off" |
| gdb_test_no_output "set width 0" |
| |
| rerun_and_prepare |
| |
| # Save all register contents. |
| set old_reg_content \ |
| [fetch_all_registers "retrieve original register contents 1"] |
| |
| # Perform function calls. |
| do_function_calls $prototypes |
| |
| # Check if all registers still have the same value. |
| set new_reg_content [fetch_all_registers \ |
| "register contents after gdb function calls"] |
| if {$old_reg_content == $new_reg_content} then { |
| pass "gdb function calls preserve register contents" |
| } else { |
| set old_reg_content $new_reg_content |
| fail "gdb function calls preserve register contents" |
| } |
| |
| rerun_and_prepare |
| # Save all register contents. |
| set old_reg_content \ |
| [fetch_all_registers "retrieve original register contents 2"] |
| |
| # Set breakpoint at a function we will call from gdb. |
| gdb_breakpoint add |
| |
| # Call function (causing a breakpoint hit in the call dummy) and do a continue, |
| # make sure we are back at main and still have the same register contents. |
| gdb_test "print add(4,5)" \ |
| "The program being debugged stopped while.*" \ |
| "stop at breakpoint in call dummy function" |
| gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" |
| if ![gdb_test "bt 2" \ |
| "#0 main.*" \ |
| "bt after continuing from call dummy breakpoint"] then { |
| set new_reg_content [fetch_all_registers \ |
| "register contents after stop in call dummy"] |
| if {$old_reg_content == $new_reg_content} then { |
| pass "continue after stop in call dummy preserves register contents" |
| } else { |
| fail "continue after stop in call dummy preserves register contents" |
| } |
| } |
| |
| rerun_and_prepare |
| # Set breakpoint at a function we will call from gdb. |
| gdb_breakpoint add |
| # Save all register contents. |
| set old_reg_content \ |
| [fetch_all_registers "retrieve original register contents 3"] |
| |
| # Call function (causing a breakpoint hit in the call dummy) and do a finish, |
| # make sure we are back at main and still have the same register contents. |
| gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
| "call function causing a breakpoint then do a finish" |
| gdb_test "finish" \ |
| "Value returned is .* = 9" \ |
| "finish from call dummy breakpoint returns correct value" |
| if ![gdb_test "bt 2" \ |
| "#0 main.*" \ |
| "bt after finishing from call dummy breakpoint"] then { |
| set new_reg_content [fetch_all_registers \ |
| "register contents after finish in call dummy"] |
| if {$old_reg_content == $new_reg_content} then { |
| pass "finish after stop in call dummy preserves register contents" |
| } else { |
| fail "finish after stop in call dummy preserves register contents" |
| } |
| } |
| |
| rerun_and_prepare |
| # Set breakpoint at a function we will call from gdb. |
| gdb_breakpoint add |
| # Save all register contents. |
| set old_reg_content \ |
| [fetch_all_registers "retrieve original register contents 4"] |
| |
| # Call function (causing a breakpoint hit in the call dummy) and do a return |
| # with a value, make sure we are back at main with the same register contents. |
| gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
| "call function causing a breakpoint and then do a return" |
| if ![gdb_test "return 7" \ |
| "#0 main.*" \ |
| "back at main after return from call dummy breakpoint" \ |
| "Make add return now. .y or n.*" \ |
| "y"] then { |
| set new_reg_content [fetch_all_registers \ |
| "register contents after return in call dummy"] |
| if {$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" |
| } |
| } |
| |
| rerun_and_prepare |
| # Set breakpoint at a function we will call from gdb. |
| gdb_breakpoint add |
| set old_reg_content \ |
| [fetch_all_registers "retrieve original register contents 5"] |
| |
| # 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" |
| |
| set new_reg_content [fetch_all_registers \ |
| "register contents after nested call dummies"] |
| if {$old_reg_content == $new_reg_content} then { |
| pass "nested call dummies preserve register contents" |
| } else { |
| fail "nested call dummies preserve register contents" |
| } |
| |
| # GDB should not crash by internal error on $sp underflow during the inferior |
| # call. It is OK it will stop on some: Cannot access memory at address 0x$hex. |
| |
| if {![target_info exists gdb,nosignals] && ![istarget "*-*-uclinux*"]} { |
| gdb_test {set $old_sp = $sp} |
| |
| gdb_test {set $sp = 0} |
| gdb_test "call doubleit (1)" ".*" "sp == 0: call doubleit (1)" |
| |
| gdb_test {set $sp = -1} |
| gdb_test "call doubleit (1)" ".*" "sp == -1: call doubleit (1)" |
| |
| gdb_test {set $sp = $old_sp} |
| } |
| |
| # Test function descriptor resolution - the separate debug info .opd section |
| # handling vs. local labels `.L'... as `Lcallfunc' starts with `L'. |
| |
| gdb_test "print callfunc (Lcallfunc, 5)" " = 12" |
| |
| # Regression test for function pointer cast. |
| gdb_test "print *((int *(*) (void)) voidfunc)()" " = 23" |
| } |
| |
| # Perform all tests with and without function prototypes. |
| |
| if { ![prepare_for_testing "failed to prepare" $testfile $srcfile "$compile_flags additional_flags=-DPROTOTYPES"] } { |
| perform_all_tests 1 |
| } |
| |
| if { ![prepare_for_testing "failed to prepare" $testfile $srcfile "$compile_flags additional_flags=-DNO_PROTOTYPES"] } { |
| with_test_prefix "noproto" { |
| perform_all_tests 0 |
| } |
| } |
