-# Copyright (C) 1992 Free Software Foundation, Inc.
+# Copyright 1992-2013 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
+# 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, 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
+# 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)
-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}
-set binfile "callfuncs"
-set srcfile $binfile.c
-
-if ![file exists $objdir/$subdir/$binfile] then {
- perror "$objdir/$subdir/$binfile does not exist"
- return 0
+set compile_flags {debug}
+if [support_complex_tests] {
+ lappend compile_flags "additional_flags=-DTEST_COMPLEX"
}
-# 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
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $compile_flags] != "" } {
+ untested callfuncs.exp
+ return -1
}
-# Set the current language to C. This counts as a test. If it
-# fails, then we skip the other tests.
+# Create and source the file that provides information about the compiler
+# used to compile the test case.
-proc set_lang_c {} {
- global prompt
+if [get_compiler_info] {
+ return -1;
+}
- send "set language c\n"
- expect {
- -re ".*$prompt $" {}
- timeout { fail "set language c (timeout)" ; return 0 }
- }
+if {$hp_aCC_compiler} {
+ set prototypes 1
+} else {
+ set prototypes 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
- }
- }
+# 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
}
# FIXME: Before calling this proc, we should probably verify that
proc do_function_calls {} {
global prototypes
+ global gdb_prompt
+
+ # 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_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"
+ 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.
+ # 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"
+
+ # Test passing of arguments which might not be widened.
+ 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 { ! [test_compiler_info gcc-*-*] } then {
+ setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318
+ }
+ }
+
+ gdb_test "p 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"
- # 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_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_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_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_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 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*"
+ setup_kfail gdb/1457 hppa*-*-hpux*
gdb_test "p t_func_values(add,func_val2)" " = 1"
-
- setup_xfail "rs6000*-*-*"
+ setup_kfail gdb/1457 "rs6000*-*-aix*"
+ setup_kfail gdb/1457 "powerpc*-*-aix*"
+ setup_kfail gdb/1457 hppa*-*-hpux*
gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
-
- gdb_test "p t_call_add(func_val1,3,4)" " = 7"
-
- setup_xfail "rs6000*-*-*"
+ setup_kfail gdb/1457 "rs6000*-*-aix*"
+ setup_kfail gdb/1457 "powerpc*-*-aix*"
+ setup_kfail gdb/1457 hppa*-*-hpux*
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 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"
+ "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 *"
+ if ![target_info exists gdb,skip_float_tests] {
+ 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 \\+ 3 \\* I" \
+ "call inferior func with struct - returns float _Complex"
+
+ gdb_test "p t_structs_dc(struct_val1)" ".*= 4 \\+ 4 \\* I" \
+ "call inferior func with struct - returns double _Complex"
+
+ gdb_test "p t_structs_ldc(struct_val1)" "= 5 \\+ 5 \\* I" \
+ "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 "^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 "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\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
}
+proc rerun_and_prepare {} {
+ global hp_aCC_compiler
+
+ 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_no_output "set overload-resolution 0"
+ } else {
+ if { ![runto_main] } {
+ gdb_suppress_tests;
+ }
+ 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"
+}
+
+
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
-gdb_load $objdir/$subdir/$binfile
+gdb_load ${binfile}
+
+gdb_test_no_output "set print sevenbit-strings"
+gdb_test_no_output "set print address off"
+gdb_test_no_output "set width 0"
-source gdb.base/callf-info.exp
+rerun_and_prepare
-send "set print sevenbit-strings\n" ; expect -re "$prompt $"
-send "set print address off\n" ; expect -re "$prompt $"
-send "set width 0\n" ; expect -re "$prompt $"
+# Save all register contents.
+set old_reg_content [fetch_all_registers "retrieve original register contents"]
-if [set_lang_c] then {
- if [runto_main] then {
- do_function_calls
+# Perform function calls.
+do_function_calls
+
+# Check if all registers still have the same value.
+set new_reg_content [fetch_all_registers \
+ "register contents after gdb function calls"]
+if {$old_reg_content == $new_reg_content} then {
+ pass "gdb function calls preserve register contents"
+} else {
+ set old_reg_content $new_reg_content
+ fail "gdb function calls preserve register contents"
+}
+
+rerun_and_prepare
+# Save all register contents.
+set old_reg_content [fetch_all_registers "retrieve original register contents"]
+
+# Set breakpoint at a function we will call from gdb.
+gdb_breakpoint add
+
+# Call function (causing a breakpoint hit in the call dummy) and do a continue,
+# make sure we are back at main and still have the same register contents.
+gdb_test "print add(4,5)" \
+ "The program being debugged stopped while.*" \
+ "stop at breakpoint in call dummy function"
+gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
+if ![gdb_test "bt 2" \
+ "#0 main.*" \
+ "bt after continuing from call dummy breakpoint"] then {
+ set new_reg_content [fetch_all_registers \
+ "register contents after stop in call dummy"]
+ if {$old_reg_content == $new_reg_content} then {
+ pass "continue after stop in call dummy preserves register contents"
+ } else {
+ fail "continue after stop in call dummy preserves register contents"
+ }
+}
+
+rerun_and_prepare
+# Set breakpoint at a function we will call from gdb.
+gdb_breakpoint add
+# Save all register contents.
+set old_reg_content [fetch_all_registers "retrieve original register contents"]
+
+# Call function (causing a breakpoint hit in the call dummy) and do a finish,
+# make sure we are back at main and still have the same register contents.
+gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
+ "call function causing a breakpoint then do a finish"
+gdb_test "finish" \
+ "Value returned is .* = 9" \
+ "finish from call dummy breakpoint returns correct value"
+if ![gdb_test "bt 2" \
+ "#0 main.*" \
+ "bt after finishing from call dummy breakpoint"] then {
+ set new_reg_content [fetch_all_registers \
+ "register contents after finish in call dummy"]
+ if {$old_reg_content == $new_reg_content} then {
+ pass "finish after stop in call dummy preserves register contents"
+ } else {
+ fail "finish after stop in call dummy preserves register contents"
+ }
+}
+
+rerun_and_prepare
+# Set breakpoint at a function we will call from gdb.
+gdb_breakpoint add
+# Save all register contents.
+set old_reg_content [fetch_all_registers "retrieve original register contents"]
+
+# Call function (causing a breakpoint hit in the call dummy) and do a return
+# with a value, make sure we are back at main with the same register contents.
+gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
+ "call function causing a breakpoint and then do a return"
+if ![gdb_test "return 7" \
+ "#0 main.*" \
+ "back at main after return from call dummy breakpoint" \
+ "Make add return now. .y or n.*" \
+ "y"] then {
+ set new_reg_content [fetch_all_registers \
+ "register contents after return in call dummy"]
+ if {$old_reg_content == $new_reg_content} then {
+ pass "return after stop in call dummy preserves register contents"
} else {
- fail "C function calling tests suppressed"
+ 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"]
+
+# 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 "C function calling tests suppressed"
+ fail "nested call dummies preserve register contents"
}
-return 0
+
+# 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"
projects / external / binutils.git / blobdiff