diff options
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/symfile-mem.c | 18 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.btrace/vdso.c | 30 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.btrace/vdso.exp | 53 |
5 files changed, 110 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index a605085..8650560 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2014-05-23 Markus Metzger <markus.t.metzger@intel.com> + * symfile-mem.c (symbol_file_add_from_memory): Add BFD sections. + +2014-05-23 Markus Metzger <markus.t.metzger@intel.com> + * record-btrace.c (record_btrace_allow_memory_access): Remove. (replay_memory_access_read_only, replay_memory_access_read_write) (replay_memory_access_types, replay_memory_access) diff --git a/gdb/symfile-mem.c b/gdb/symfile-mem.c index 3f09c4d..b29421e 100644 --- a/gdb/symfile-mem.c +++ b/gdb/symfile-mem.c @@ -92,6 +92,7 @@ symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, struct section_addr_info *sai; unsigned int i; struct cleanup *cleanup; + struct target_section *sections, *sections_end, *tsec; if (bfd_get_flavour (templ) != bfd_target_elf_flavour) error (_("add-symbol-file-from-memory not supported for this target")); @@ -131,6 +132,23 @@ symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, from_tty ? SYMFILE_VERBOSE : 0, sai, OBJF_SHARED, NULL); + sections = NULL; + sections_end = NULL; + + if (build_section_table (nbfd, §ions, §ions_end) == 0) + { + make_cleanup (xfree, sections); + + /* Adjust the target section addresses by the load address. */ + for (tsec = sections; tsec != sections_end; ++tsec) + { + tsec->addr += loadbase; + tsec->endaddr += loadbase; + } + + add_target_sections (&nbfd, sections, sections_end); + } + /* This might change our ideas about frames already looked at. */ reinit_frame_cache (); diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 4c74ed1..11f49ea 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2014-05-23 Markus Metzger <markus.t.metzger@intel.com> + * gdb.btrace/vdso.c: New. + * gdb.btrace/vdso.exp: New. + +2014-05-23 Markus Metzger <markus.t.metzger@intel.com> + * gdb.base/gcore.exp (capture_command_output): Move ... * lib/gdb.exp (capture_command_output): ... here. diff --git a/gdb/testsuite/gdb.btrace/vdso.c b/gdb/testsuite/gdb.btrace/vdso.c new file mode 100644 index 0000000..e16a3c6 --- /dev/null +++ b/gdb/testsuite/gdb.btrace/vdso.c @@ -0,0 +1,30 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2014 Free Software Foundation, Inc. + + Contributed by Intel Corp. <markus.t.metzger@intel.com> + + 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 <http://www.gnu.org/licenses/>. */ + +#include <sys/time.h> + +int +main (void) +{ + struct timeval tv; + + gettimeofday (&tv, 0); /* main.1. */ + + return 0; /* main.2. */ +} diff --git a/gdb/testsuite/gdb.btrace/vdso.exp b/gdb/testsuite/gdb.btrace/vdso.exp new file mode 100644 index 0000000..da8ece2 --- /dev/null +++ b/gdb/testsuite/gdb.btrace/vdso.exp @@ -0,0 +1,53 @@ +# This testcase is part of GDB, the GNU debugger. +# +# Copyright 2014 Free Software Foundation, Inc. +# +# Contributed by Intel Corp. <markus.t.metzger@intel.com> +# +# 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 <http://www.gnu.org/licenses/>. +# +# +# Test that we can access the vdso memory during replay for stepping. + +# check for btrace support +if { [skip_btrace_tests] } { return -1 } + +# start inferior +standard_testfile +if [prepare_for_testing $testfile.exp $testfile $srcfile] { + return -1 +} +if ![runto_main] { + return -1 +} + +# capture the disassembly of gettimeofday while live debugging +set live_gettimeofday [capture_command_output "disassemble gettimeofday" ""] + +# trace the test code +gdb_test_no_output "record btrace" +gdb_test "next" "main\.2.*" + +with_test_prefix "replay" { + # capture the disassembly of gettimeofday while replaying + gdb_test "record goto begin" "main\.1.*" + set replay_gettimeofday [capture_command_output "disassemble gettimeofday" ""] + + # the two disassemblies must be identical + if ![string compare $live_gettimeofday $replay_gettimeofday] { + pass "disassemble gettimeofday" + } else { + fail "disassemble gettimeofday" + } +} |