diff options
| -rw-r--r-- | gdb/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/callfuncs.c | 92 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/callfuncs.exp | 4 |
3 files changed, 103 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index a12b7ec..86c0068 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2008-02-06 Thiago Jung Bauermann <bauerman@br.ibm.com> + + * gdb.base/callfuncs.c (t_float_many_args): New function. + (t_double_many_args): New function. + * gdb.base/callfuncs.exp: Add tests for exceeding float + and double parameters passed through the stack. + 2008-02-05 Joel Brobecker <brobecker@adacore.com> * gdb.ada/complete/pck.ads, gdb.ada/complete/pck.adb, diff --git a/gdb/testsuite/gdb.base/callfuncs.c b/gdb/testsuite/gdb.base/callfuncs.c index 160c5da..5a150b0 100644 --- a/gdb/testsuite/gdb.base/callfuncs.c +++ b/gdb/testsuite/gdb.base/callfuncs.c @@ -46,9 +46,35 @@ long long_val2 = -321; float float_val1 = 3.14159; float float_val2 = -2.3765; +float float_val3 = 0.25; +float float_val4 = 1.25; +float float_val5 = 2.25; +float float_val6 = 3.25; +float float_val7 = 4.25; +float float_val8 = 5.25; +float float_val9 = 6.25; +float float_val10 = 7.25; +float float_val11 = 8.25; +float float_val12 = 9.25; +float float_val13 = 10.25; +float float_val14 = 11.25; +float float_val15 = 12.25; double double_val1 = 45.654; double double_val2 = -67.66; +double double_val3 = 0.25; +double double_val4 = 1.25; +double double_val5 = 2.25; +double double_val6 = 3.25; +double double_val7 = 4.25; +double double_val8 = 5.25; +double double_val9 = 6.25; +double double_val10 = 7.25; +double double_val11 = 8.25; +double double_val12 = 9.25; +double double_val13 = 10.25; +double double_val14 = 11.25; +double double_val15 = 12.25; #define DELTA (0.001) @@ -298,6 +324,39 @@ t_float_values2 (float float_arg1, float float_arg2) && (float_arg2 - float_val2) > -DELTA); } +/* This function has many arguments to force some of them to be passed via + the stack instead of registers, to test that GDB can construct correctly + the parameter save area. Note that Linux/ppc32 has 8 float registers to use + for float parameter passing and Linux/ppc64 has 13, so the number of + arguments has to be at least 14 to contemplate these platforms. */ + +float +#ifdef NO_PROTOTYPES +t_float_many_args (f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, + f14, f15) + float f1, float f2, float f3, float f4, float f5, float f6, float f7, + float f8, float f9, float f10, float f11, float f12, float f13, float f14, + float f15; +#else +t_float_many_args (float f1, float f2, float f3, float f4, float f5, float f6, + float f7, float f8, float f9, float f10, float f11, + float f12, float f13, float f14, float f15) +#endif +{ + float sum_args; + float sum_values; + + sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12 + + f13 + f14 + f15; + sum_values = 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; + + return ((sum_args - sum_values) < DELTA + && (sum_args - sum_values) > -DELTA); +} + #ifdef PROTOTYPES int t_double_values (double double_arg1, double double_arg2) #else @@ -311,6 +370,39 @@ double double_arg1, double_arg2; && (double_arg2 - double_val2) > -DELTA); } +/* This function has many arguments to force some of them to be passed via + the stack instead of registers, to test that GDB can construct correctly + the parameter save area. Note that Linux/ppc32 has 8 float registers to use + for float parameter passing and Linux/ppc64 has 13, so the number of + arguments has to be at least 14 to contemplate these platforms. */ + +double +#ifdef NO_PROTOTYPES +t_double_many_args (f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, + f14, f15) + double f1, double f2, double f3, double f4, double f5, double f6, + double f7, double f8, double f9, double f10, double f11, double f12, + double f13, double f14, double f15; +#else +t_double_many_args (double f1, double f2, double f3, double f4, double f5, + double f6, double f7, double f8, double f9, double f10, + double f11, double f12, double f13, double f14, double f15) +#endif +{ + double sum_args; + double sum_values; + + sum_args = f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12 + + f13 + f14 + f15; + sum_values = 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; + + return ((sum_args - sum_values) < DELTA + && (sum_args - sum_values) > -DELTA); +} + #ifdef PROTOTYPES int t_string_values (char *string_arg1, char *string_arg2) #else diff --git a/gdb/testsuite/gdb.base/callfuncs.exp b/gdb/testsuite/gdb.base/callfuncs.exp index 6faf00f..1a4da6e 100644 --- a/gdb/testsuite/gdb.base/callfuncs.exp +++ b/gdb/testsuite/gdb.base/callfuncs.exp @@ -155,6 +155,8 @@ proc do_function_calls {} { 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" @@ -163,6 +165,8 @@ proc do_function_calls {} { 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" |