diff --git a/gdb/testsuite/gdb.base/backtrace-noreturn.c b/gdb/testsuite/gdb.base/backtrace-noreturn.c new file mode 100644 index 00000000000..bd492013ee8 --- /dev/null +++ b/gdb/testsuite/gdb.base/backtrace-noreturn.c @@ -0,0 +1,42 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2019-2022 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 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, see . */ + +#include "../lib/attributes.h" + +void __attribute__((noreturn)) ATTRIBUTE_NOCLONE +baz () +{ + while(1); /* Break here. */ +} + +void __attribute__((noreturn)) ATTRIBUTE_NOCLONE +bar () +{ + baz (); +} + +void __attribute__((noinline)) ATTRIBUTE_NOCLONE +foo () +{ + bar (); +} + +int +main () +{ + foo (); +} diff --git a/gdb/testsuite/gdb.base/backtrace-noreturn.exp b/gdb/testsuite/gdb.base/backtrace-noreturn.exp new file mode 100644 index 00000000000..e89efc0241b --- /dev/null +++ b/gdb/testsuite/gdb.base/backtrace-noreturn.exp @@ -0,0 +1,48 @@ +# Copyright 2019-2022 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 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, see . + +# A place for miscellaneous tests related to backtrace. + +standard_testfile + +if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { + return -1 +} + +if ![runto_main] then { + fail "can't run to main" + return 0 +} + +# Run to the breakpoint at return. +gdb_breakpoint [gdb_get_line_number "Break here."] +gdb_continue_to_breakpoint "Break here." + +# Backtrace with the default options. +gdb_test "bt" \ + [multi_line \ + "#0\[ \t\]*baz \\(\\) at \[^\r\n\]+" \ + "#1\[ \t\]*$hex in bar \\(\\) at \[^\r\n\]+" \ + "#2\[ \t\]*$hex in foo \\(\\) at \[^\r\n\]+" \ + "#3\[ \t\]*$hex in main \\(\\) at \[^\r\n\]+" ] + +# Backtrace with 'set disassemble-next-line on'. This shouldn't make +# any difference to the backtrace. +gdb_test "with disassemble-next-line on -- bt" \ + [multi_line \ + "#0\[ \t\]*baz \\(\\) at \[^\r\n\]+" \ + "#1\[ \t\]*$hex in bar \\(\\) at \[^\r\n\]+" \ + "#2\[ \t\]*$hex in foo \\(\\) at \[^\r\n\]+" \ + "#3\[ \t\]*$hex in main \\(\\) at \[^\r\n\]+" ] diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c index ab695d3726f..bd9894b7998 100644 --- a/gdb/xtensa-tdep.c +++ b/gdb/xtensa-tdep.c @@ -1264,7 +1264,8 @@ xtensa_frame_cache (const frame_info_ptr &this_frame, void **this_cache) ws = get_frame_register_unsigned (this_frame, tdep->ws_regnum); - if (safe_read_memory_integer (pc, 1, byte_order, &op1) + if (frame_relative_level (this_frame) == 0 + && safe_read_memory_integer (pc, 1, byte_order, &op1) && XTENSA_IS_ENTRY (gdbarch, op1)) { int callinc = CALLINC (ps);