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Add some 128-bit integer tests 

This adds some tests for printing 128-bit integers.

2017-06-12  Tom Tromey  <tom@tromey.com>

	* gdb.dwarf2/formdata16.exp: Add tests.
This commit is contained in:
Tom Tromey 2017-06-02 06:54:06 -06:00
parent f12f6bad7d
commit 973e9aab63
2 changed files with 33 additions and 2 deletions
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4
gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2017-06-12 Tom Tromey <tom@tromey.com>
* gdb.dwarf2/formdata16.exp: Add tests.
2017-06-12 Tom Tromey <tom@tromey.com>
* gdb.arch/altivec-regs.exp: Expect decimal results for uint128.

31
gdb/testsuite/gdb.dwarf2/formdata16.exp
View File

@ -41,18 +41,22 @@ set high "0x123456789abcdef0"
set low "0x0fedcba987654321"
if { $endianness == "big" } {
set pair $high,$low
set pair2 0x0,$low
set negative 0xffffffffffffffff,$low
} else {
set pair $low,$high
set pair2 $low,0x0
set negative $low,0xffffffffffffffff
}
# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global pair
global pair pair2 negative
cu { addr_size 4 } {
compile_unit {} {
declare_labels int_label
declare_labels int_label sint_label
int_label: DW_TAG_base_type {
{DW_AT_byte_size 16 DW_FORM_udata}
@ -60,11 +64,29 @@ Dwarf::assemble $asm_file {
{DW_AT_name "__uint128"}
}
sint_label: DW_TAG_base_type {
{DW_AT_byte_size 16 DW_FORM_udata}
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_name "__int128"}
}
DW_TAG_variable {
{name xxx}
{type :$int_label}
{const_value $pair DW_FORM_data16}
}
DW_TAG_variable {
{name yyy}
{type :$int_label}
{const_value $pair2 DW_FORM_data16}
}
DW_TAG_variable {
{name sss}
{type :$sint_label}
{const_value $negative DW_FORM_data16}
}
}
}
}
@ -75,3 +97,8 @@ if { [prepare_for_testing "failed to prepare" ${testfile} \
}
gdb_test "p/x xxx" " = 0x123456789abcdef00fedcba987654321"
gdb_test "p xxx" "= 24197857203266734864629346612071973665"
gdb_test "p/x yyy" " = 0xfedcba987654321"
gdb_test "p yyy" "= 1147797409030816545"
gdb_test "p/x sss" " = 0xffffffffffffffff0fedcba987654321"
gdb_test "p sss" "= -17298946664678735071"