projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 4a94e368 | 1 | # Copyright 2020-2022 Free Software Foundation, Inc. |
| f569c1c5 TV |
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 | # Check if executable generated from eh_return.c assert when setting a | |
| 17 | # breakpoint at the last insn of eh, and running to it. | |
| 18 | ||
| 19 | standard_testfile | |
| 20 | ||
| aa63b0a7 | 21 | # Set compiler flags. |
| 65a33d75 | 22 | if {[istarget "powerpc*"]} { |
| aa63b0a7 CL |
23 | # PowerPC generates a Traceback Table, as defined in the PPC64 ABI, |
| 24 | # following each function by default. The Traceback Table information is | |
| 25 | # typically interpreted by the disassembler as data represented with | |
| 26 | # .long xxxx following the last instruction in the function. For example: | |
| 27 | # | |
| 28 | # Dump of assembler code for function eh2: | |
| 29 | # 0x00000000100009e0 <+0>: lis r2,4098 | |
| 30 | # ... | |
| 31 | # 0x0000000010000b04 <+292>: add r1,r1,r10 | |
| 32 | # 0x0000000010000b08 <+296>: blr | |
| 33 | # 0x0000000010000b0c <+300>: .long 0x0 | |
| 34 | # 0x0000000010000b10 <+304>: .long 0x1000000 | |
| 35 | # 0x0000000010000b14 <+308>: .long 0x1000180 | |
| 36 | # End of assembler dump. | |
| 37 | # | |
| 38 | # Disable the Traceback Table generation, using the PowerPC specific | |
| 39 | # compiler option, so the test gdb_test_multiple "disassemble eh2" will | |
| 40 | # locate the address of the blr instruction not the last .long statement. | |
| 41 | if { [test_compiler_info "gcc-*"] } { | |
| 42 | set compile_flags {debug nopie additional_flags=-mtraceback=no} | |
| 43 | } elseif { [test_compiler_info "xlc-*"] } { | |
| 44 | set compile_flags {debug nopie additional_flags=-qtbtable=none} | |
| 45 | } elseif { [test_compiler_info "clang-*"] } { | |
| 46 | set compile_flags [list debug nopie additional_flags=-mllvm \ | |
| 47 | additional_flags=-xcoff-traceback-table=false] | |
| 48 | } else { | |
| 49 | set compile_flags {debug nopie } | |
| 50 | } | |
| 51 | } else { | |
| 52 | set compile_flags {debug nopie} | |
| 53 | } | |
| 54 | ||
| e840f2e3 | 55 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile \ |
| aa63b0a7 | 56 | $compile_flags]} { |
| f569c1c5 TV |
57 | return -1 |
| 58 | } | |
| 59 | ||
| 60 | set address -1 | |
| 61 | ||
| 62 | # Get the address of the last insn in function eh2. | |
| 63 | gdb_test_multiple "disassemble eh2" "" { | |
| 64 | -re -wrap "($hex)\[^\r\n\]*\r\nEnd of assembler dump." { | |
| 65 | set address $expect_out(1,string) | |
| 66 | pass $gdb_test_name | |
| 67 | } | |
| 68 | } | |
| 69 | ||
| 70 | if { $address == -1 } { | |
| 71 | return 0 | |
| 72 | } | |
| 73 | ||
| 74 | clean_restart ${binfile} | |
| 75 | ||
| 48ca5676 | 76 | gdb_assert [gdb_breakpoint "*$address" no-message] "set breakpoint on address" |
| f569c1c5 TV |
77 | |
| 78 | # The assert did not reproduce when running to main, and continuing to the | |
| 79 | # breakpoint, so instead, run to the breakpoint. | |
| 80 | gdb_run_cmd | |
| 81 | ||
| 82 | gdb_test "" "Breakpoint .*" "hit breakpoint" |