projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2021-2022 Free Software Foundation, Inc. |
| e3d528d7 WS |
2 | |
| 3 | # This program is free software; you can redistribute it and/or modify | |
| 4 | # it under the terms of the GNU General Public License as published by | |
| 5 | # the Free Software Foundation; either version 3 of the License, or | |
| 6 | # (at your option) any later version. | |
| 7 | # | |
| 8 | # This program is distributed in the hope that it will be useful, | |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | # GNU General Public License for more details. | |
| 12 | # | |
| 13 | # You should have received a copy of the GNU General Public License | |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 15 | ||
| 16 | ||
| 17 | # Test to confirm that gdb is properly single stepping over the | |
| 18 | # displaced addpcis instruction. | |
| 19 | # The addpcis instruction and its extended mnemonics lnia and subpcis | |
| 20 | # apply an immediate shifted value (X || 0x0000) to the current PC/NIA | |
| 21 | # value, and store that value into the instructions target register. | |
| 22 | # When the instruction is displaced, it needs special handling. | |
| 23 | ||
| 24 | # lnia Rx == addpcis Rx,0 | |
| 25 | # subcis Rx,value == addpcis Rx,-value | |
| 26 | ||
| 27 | if { ![istarget powerpc*-*] } { | |
| 28 | verbose "Skipping powerpc addpcis test." | |
| 29 | return | |
| 30 | } | |
| 31 | ||
| 32 | set retval 0 | |
| 33 | ||
| 34 | standard_testfile .s | |
| 35 | ||
| 36 | if { [prepare_for_testing "failed to prepare" $testfile "$srcfile" \ | |
| 37 | {debug quiet}] } { | |
| 38 | return -1 | |
| 39 | } | |
| 40 | ||
| 41 | if ![runto_main] then { | |
| 42 | return | |
| 43 | } | |
| 44 | ||
| 45 | set check_pc [get_hexadecimal_valueof "\$pc" "default0"] | |
| 46 | set bp1 *$check_pc+4 | |
| 47 | set bp2 *$check_pc+12 | |
| 48 | set bp3 *$check_pc+16 | |
| 49 | gdb_breakpoint $bp1 | |
| 50 | gdb_breakpoint $bp2 | |
| 51 | gdb_breakpoint $bp3 | |
| 52 | ||
| 53 | gdb_test "stepi" "" "set r3 " | |
| 54 | set check_r3 [get_hexadecimal_valueof "\$r3" "default0"] | |
| 55 | gdb_test "stepi" "" "set r4" | |
| 56 | set check_r4 [get_hexadecimal_valueof "\$r4" "default0"] | |
| 57 | gdb_test "stepi" "" "set r5" | |
| 58 | set check_r5 [get_hexadecimal_valueof "\$r5" "default0"] | |
| 59 | gdb_test "stepi" "" "set r6" | |
| 60 | set check_r6 [get_hexadecimal_valueof "\$r6" "default0"] | |
| 61 | gdb_test "stepi" "" "set r7" | |
| 62 | set check_r7 [get_hexadecimal_valueof "\$r7" "default0"] | |
| 63 | gdb_test "stepi" "" "set r8" | |
| 64 | set check_r8 [get_hexadecimal_valueof "\$r8" "default0"] | |
| 65 | gdb_test "stepi" "" "set r9" | |
| 66 | set check_r9 [get_hexadecimal_valueof "\$r9" "default0"] | |
| 67 | ||
| 68 | # R6 will contain the reference value. All other | |
| 69 | # instructions in this test will be storing values | |
| 70 | # relative to what is stored in R6. | |
| 71 | ||
| 72 | # subpcis 3,+0x100 # /* set r3 */ | |
| 73 | # subpcis 4,+0x10 # /* set r4 */ | |
| 74 | # subpcis 5,+0x1 # /* set r5 */ | |
| 75 | # lnia 6 # /* set r6 */ | |
| 76 | # addpcis 7,+0x1 # /* set r7 */ | |
| 77 | # addpcis 8,+0x10 # /* set r8 */ | |
| 78 | # addpcis 9,+0x100 # /* set r9 */ | |
| 79 | ||
| 80 | if [expr $check_r3 + 0x1000000 != $check_r6 - 0xc ] { | |
| 81 | fail "unexpected value r3 + 0x1,000,000 != r6 + 0xc ; r3: $check_r3 r6: $check_r6 " | |
| 82 | } | |
| 83 | if [expr $check_r4 + 0x100000 != $check_r6 - 0x8 ] { | |
| 84 | fail "unexpected value r4 + 0x100,000 != r6 - 0x8 ; r4: $check_r4 r6: $check_r6 " | |
| 85 | } | |
| 86 | if [expr $check_r5 + 0x10000 != $check_r6 - 0x4 ] { | |
| 87 | fail "unexpected value r5 + 0x10,000 != r6 , r5: $check_r5 r6: $check_r6 " | |
| 88 | } | |
| 89 | if [expr $check_r6 != $check_r6] { | |
| 90 | fail "unexpected value r6 != r6 , r6: $check_r6 r6: $check_r6 " | |
| 91 | } | |
| 92 | if [expr $check_r7 - 0x10000 != $check_r6 + 0x4] { | |
| 93 | fail "unexpected value r7 - 0x10,000 != r6 + 0x4 , r7: $check_r7 r7: $check_r6 " | |
| 94 | } | |
| 95 | if [expr $check_r8 - 0x100000 != $check_r6 + 0x8 ] { | |
| 96 | fail "unexpected value r8 - 0x100,000 != r6 , r8: $check_r8 r8: $check_r6 " | |
| 97 | } | |
| 98 | if [expr $check_r9 - 0x1000000 != $check_r6 + 0xc ] { | |
| 99 | fail "unexpected value r9 - 0x1,000,000 != r6 + 0xc , r9: $check_r9 r6: $check_r6 " | |
| 100 | } | |
| 101 | ||
| 102 | gdb_test "info break" | |
| 103 | gdb_test "info register r3 r4 r5 r6 r7 r8 r9" | |
| 104 | gdb_test "disas main" | |
| 105 |