New "producer" attribute of python gdb.Symtab.
gdb/ChangeLog: * NEWS: Mention new "producer" attribute of gdb.Symtab. * python/py-symtab.c (stpy_get_producer): New function. (symtab_object_getset): Add "producer" attribute. gdb/doc/ChangeLog: * python.texi (Symbol Tables In Python): Document "producer" attribute of gdb.Symtab objects. gdb/testsuite/ChangeLog: * gdb.dwarf2/symtab-producer.exp: New file.
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Doug Evans
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7 changed files with 150 additions and 1 deletions
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@ -1,3 +1,9 @@
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2014-09-18 Doug Evans <dje@google.com>
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* NEWS: Mention new "producer" attribute of gdb.Symtab.
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* python/py-symtab.c (stpy_get_producer): New function.
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(symtab_object_getset): Add "producer" attribute.
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2014-09-17 Ulrich Weigand <uweigand@de.ibm.com>
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PR gdb/17384
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4
gdb/NEWS
4
gdb/NEWS
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@ -6,7 +6,9 @@
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* GDB now supports hardware watchpoints on x86 GNU Hurd.
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* Python Scripting
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You can now access frame registers from Python scripts.
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** You can now access frame registers from Python scripts.
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** New attribute 'producer' for gdb.Symtab objects.
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* New Python-based convenience functions:
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@ -1,3 +1,8 @@
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2014-09-18 Doug Evans <dje@google.com>
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* python.texi (Symbol Tables In Python): Document "producer"
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attribute of gdb.Symtab objects.
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2014-09-16 Pedro Alves <palves@redhat.com>
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* gdb.texinfo (Starting) <run command>: Don't mention VxWorks.
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@ -4043,6 +4043,14 @@ The symbol table's backing object file. @xref{Objfiles In Python}.
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This attribute is not writable.
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@end defvar
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@defvar Symtab.producer
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The name and possibly version number of the program that
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compiled the code in the symbol table.
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The contents of this string is up to the compiler.
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If no producer information is available then @code{None} is returned.
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This attribute is not writable.
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@end defvar
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A @code{gdb.Symtab} object has the following methods:
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@defun Symtab.is_valid ()
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@ -126,6 +126,25 @@ stpy_get_objfile (PyObject *self, void *closure)
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return result;
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}
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/* Getter function for symtab.producer. */
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static PyObject *
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stpy_get_producer (PyObject *self, void *closure)
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{
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struct symtab *symtab = NULL;
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STPY_REQUIRE_VALID (self, symtab);
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if (symtab->producer != NULL)
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{
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const char *producer = symtab->producer;
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return PyString_Decode (producer, strlen (producer),
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host_charset (), NULL);
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}
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Py_RETURN_NONE;
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}
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static PyObject *
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stpy_fullname (PyObject *self, PyObject *args)
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{
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@ -530,6 +549,8 @@ static PyGetSetDef symtab_object_getset[] = {
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"The symbol table's source filename.", NULL },
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{ "objfile", stpy_get_objfile, NULL, "The symtab's objfile.",
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NULL },
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{ "producer", stpy_get_producer, NULL,
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"The name/version of the program that compiled this symtab.", NULL },
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{NULL} /* Sentinel */
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};
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@ -1,3 +1,7 @@
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2014-09-18 Doug Evans <dje@google.com>
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* gdb.dwarf2/symtab-producer.exp: New file.
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2014-09-16 Sergio Durigan Junior <sergiodj@redhat.com>
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* gdb.base/global-var-nested-by-dso-solib1.c: New file.
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103
gdb/testsuite/gdb.dwarf2/symtab-producer.exp
Normal file
103
gdb/testsuite/gdb.dwarf2/symtab-producer.exp
Normal file
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@ -0,0 +1,103 @@
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# Copyright 2014 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib dwarf.exp
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load_lib gdb-python.exp
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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# This test can also only be run when we have python support in gdb,
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# but that test can only be done after gdb has started, below.
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standard_testfile main.c symtab-producer-dw.S
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# Make some DWARF for the test.
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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cu {} {
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DW_TAG_compile_unit {
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{DW_AT_producer "ACME Compiler Company"}
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{DW_AT_language @DW_LANG_C}
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{DW_AT_name symtab-producer-dw.c}
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{DW_AT_comp_dir /tmp}
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} {
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declare_labels integer_label
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integer_label: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_sdata}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name integer}
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}
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DW_TAG_variable {
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{DW_AT_name with_producer}
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{DW_AT_type :$integer_label}
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{DW_AT_external 1 flag}
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{DW_AT_const_value 42 DW_FORM_sdata}
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}
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}
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}
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cu {} {
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DW_TAG_compile_unit {
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{DW_AT_language @DW_LANG_C}
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{DW_AT_name symtab-producer2-dw.c}
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{DW_AT_comp_dir /tmp}
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} {
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declare_labels integer_label
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integer_label: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_sdata}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name integer}
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}
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DW_TAG_variable {
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{DW_AT_name without_producer}
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{DW_AT_type :$integer_label}
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{DW_AT_external 1 flag}
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{DW_AT_const_value 43 DW_FORM_sdata}
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}
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}
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}
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}
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# We need --readnow because otherwise we never read in the CUs we
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# created above.
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set saved_gdbflags $GDBFLAGS
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set GDBFLAGS "$GDBFLAGS -readnow"
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if { [prepare_for_testing ${testfile}.exp ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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set GDBFLAGS $saved_gdbflags
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return -1
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}
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set GDBFLAGS $saved_gdbflags
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# Skip all tests if Python scripting is not enabled.
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if { [skip_python_tests] } { continue }
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gdb_py_test_silent_cmd "python with_producer = gdb.lookup_global_symbol(\"with_producer\")" \
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"get with_producer symbol" 0
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gdb_test "python print with_producer.symtab.producer" "ACME Compiler Company"
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gdb_py_test_silent_cmd "python without_producer = gdb.lookup_global_symbol(\"without_producer\")" \
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"get without_producer symbol" 0
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gdb_test "python print without_producer.symtab.producer" "None"
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