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* python/py-value.c (valpy_getitem): Test value before allowing
subscript operation.
2009-09-21 Phil Muldoon <pmuldoon@redhat.com>
* gdb.python/py-value.exp (test_subscript_regression): New
function. Test for invalid subscripts.
* gdb.python/py-value.c (main): Add test array, and pointer to it.
(ptr_ref): New function.
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Michael Snyder <msnyder@vmware.com>
* amd64-linux-tdep.c (amd64_all_but_ip_registers_record): New
function.
(amd64_linux_syscall_record): Call
amd64_all_but_ip_registers_record if syscall is
sys_rt_sigreturn.
(AMD64_LINUX_redzone, AMD64_LINUX_xstate,
AMD64_LINUX_frame_size): New macros.
(amd64_linux_record_signal): New function.
(amd64_linux_init_abi): Call set_gdbarch_process_record_signal.
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Michael Snyder <msnyder@vmware.com>
* i386-linux-tdep.c (i386_all_but_ip_registers_record): New
function.
(i386_linux_intx80_sysenter_record): Call
i386_all_but_ip_registers_record if syscall is sys_sigreturn
or sys_rt_sigreturn.
(I386_LINUX_xstate, I386_LINUX_frame_size): New macros.
(i386_linux_record_signal): New function.
(i386_linux_init_abi): Call set_gdbarch_process_record_signal.
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Michael Snyder <msnyder@vmware.com>
* record.c (record_end_entry): New struct.
(record_type): Add end.
(record_arch_list_add_end): Set rec->u.end.sigval to
TARGET_SIGNAL_0.
(record_message_args): New struct.
(record_message): Call gdbarch_process_record_signal.
(do_record_message): Add argument "signal".
(record_resume): Ditto.
(record_wait): Ditto. Check record_list->u.end.sigval
in replay mode.
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Michael Snyder <msnyder@vmware.com>
* gdbarch.sh (process_record_signal): New interface.
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gcc warning.
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-stack-list-variables.
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* mi/mi-cmds.c (mi_cmds): Register -stack-list-variables.
* mi/mi-cmd-stack.c (enum what_to_list): New.
(list_args_or_locals): Accept what_to_list parameter.
Use 'variables' as output name of all are requested.
(mi_cmd_stack_list_variables): New.
(mi_cmd_stack_list_locals, mi_cmd_stack_list_args): Adjust.
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* xtensa-tdep.c (call0_analyze_prologue): Replace INT_MAX by UNIT_MAX.
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is experimental.
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* objfiles.c (free_objfile): Clear SYMFILE_OBJFILE if it is OBJFILE.
* rs6000-nat.c (vmap_ldinfo): Only assertion check SYMFILE_OBJFILE now.
* symfile.c (syms_from_objfile, symbol_file_clear): Likewise.
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union member.
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* gdb_ptrace.h (PT_SYSCALL): Define here if not already defined.
* inf-ttrace.c (inf_ttrace_wait): Fix compilation failure
introduced after field syscall_id inside struct target_waitstatus
has been renamed into syscall_number.
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2009-09-17 Paul Pluzhnikov <ppluzhnikov@google.com>
* gdb.base/default.exp: Fix "show convenience".
doc/ChangeLog
2009-09-17 Paul Pluzhnikov <ppluzhnikov@google.com>
* gdb.texinfo (convenince variables): Mention
$_siginfo could be empty.
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PR gdb/10649
* Makefile.in (GDB_DATADIR_PATH): Renamed to ...
(GDB_DATADIR): This.
(xml-syscall-install): Updated.
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* varobj.h (varobj_update_result_t) <new>: New field.
(varobj_get_child_range, varobj_set_child_range): Declare.
(varobj_list_children): Update.
(varobj_enable_pretty_printing, varobj_has_more)
(varobj_pretty_printed_p): Declare.
* varobj.c (pretty_printing): New global.
(varobj_enable_pretty_printing): New function.
(struct varobj_root) <from, to, constructor, child_iter,
saved_item>: New fields.
(varobj_create): Don't call install_default_visualizer.
(instantiate_pretty_printer): Don't use value_copy.
(varobj_has_more): New function.
(restrict_range): New function.
(install_dynamic_child): Likewise.
(dynamic_varobj_has_child_method): Likewise.
(update_dynamic_varobj_children): Remove 'new_and_unchanged'
argument; add 'new', 'unchanged', 'from', and 'to' arguments.
Rewrite.
(varobj_get_num_children): Call update_dynamic_varobj_children.
(varobj_list_children): Add 'from' and 'to' arguments. Ignore
result of update_dynamic_varobj_children. Don't call
install_default_visualizer. Restrict result range.
(varobj_add_child): Don't call install_default_visualizer.
(varobj_pretty_printed_p): New function.
(install_visualizer): Rewrite. Move earlier in file.
(install_default_visualizer): Likewise.
(construct_visualizer): New function.
(install_new_value_visualizer): Likewise.
(install_new_value): Don't call release_value. Special case
pretty-printed objects. Use value_incref. Rearrange "changed"
logic.
(varobj_get_child_range): New function.
(varobj_set_child_range): Likewise.
(varobj_set_visualizer): Rewrite.
(varobj_update): Rewrite pretty-printing logic.
(new_variable): Initialize new fields.
(free_variable): Destroy new fields.
(value_of_root): Copy 'from' and 'to'.
(my_value_of_variable): Handle pretty-printers.
(value_get_print_value): Rework pretty-printing logic.
(cplus_describe_child): Don't use release_value.
* mi/mi-cmds.h (mi_cmd_enable_pretty_printing)
(mi_cmd_var_set_update_range): Declare.
* mi/mi-cmds.c (mi_cmds): Add enable-pretty-printing and
var-set-update-range.
* mi/mi-cmd-var.c (print_varobj): Update. Emit "dynamic"
attribute.
(mi_cmd_var_create): Emit "has_more" attribute.
(mi_cmd_var_set_format): Plug memory leak.
(mi_print_value_p): Replace 'type' argument with 'var'. Handle
pretty-printed varobjs.
(mi_cmd_var_list_children): Accept 'from' and 'to' arguments.
Emit "has_more" attribute.
(mi_cmd_var_evaluate_expression): Plug memory leak.
(mi_cmd_var_assign): Likewise.
(varobj_update_one): Likewise. Emit "dynamic", "has_more", and
"new_children" attributes.
(mi_cmd_enable_pretty_printing): New function.
(mi_cmd_var_set_update_range): Likewise.
gdb/doc
* gdb.texinfo (GDB/MI Variable Objects): Document
-enable-pretty-printing, -var-set-update-range, dynamic varobjs.
Expand -var-update documentation.
gdb/testsuite
* lib/mi-support.exp (mi_create_varobj): Update.
(mi_create_floating_varobj): Likewise.
(mi_create_dynamic_varobj): New proc.
(mi_varobj_update): Update.
(mi_varobj_update_with_type_change): Likewise.
(mi_varobj_update_kv_helper): New proc.
(mi_varobj_update_dynamic_helper): Rewrite.
(mi_varobj_update_dynamic): New proc.
(mi_list_varobj_children): Update.
(mi_list_varobj_children_range): Add 'from' and 'to' arguments.
* gdb.python/python-prettyprint.py (pp_outer): New class.
(pp_nullstr): Likewise.
(lookup_function): Register new printers.
* gdb.python/python-prettyprint.c (struct substruct): New type.
(struct outerstruct): Likewise.
(substruct_test): New function.
(struct nullstr): New type.
(string_1, string_2): New globals.
(main): Add new tests.
* gdb.python/python-mi.exp: Added regression tests.
* gdb.mi/mi2-var-display.exp: Update.
* gdb.mi/mi2-var-cmd.exp: Update.
* gdb.mi/mi2-var-child.exp: Update.
* gdb.mi/mi2-var-block.exp: Update.
* gdb.mi/mi-var-invalidate.exp: Update.
* gdb.mi/mi-var-display.exp: Update.
* gdb.mi/mi-var-cmd.exp: Update.
* gdb.mi/mi-var-child.exp: Update.
* gdb.mi/mi-var-block.exp: Update.
* gdb.mi/mi-break.exp: Update.
* gdb.mi/gdb701.exp: Update.
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enum values.
(struct dwarf_stack_value): New struct.
(struct dwarf_expr_context): Change type of `stack' from CORE_ADDR*
to struct dwarf_stack_value*.
(struct dwarf_expr_piece): Move `v.value' into its own struct, v.expr,
all uses updated. Add v.expr.in_stack_memory.
(dwarf_expr_push): Update declaration.
(dwarf_expr_fetch_in_stack_memory): Declare.
* dwarf2expr.c (dwarf_expr_grow_stack): Update calculation of
size of stack value.
(dwarf_expr_push): New arg in_stack_memory, all callers updated.
(dwarf_expr_fetch_in_stack_memory): New function.
(add_piece): Set in_stack_memory for non-literal values.
(execute_stack_op): Allow ops to specify whether the value is on the
program's stack.
(execute_stack_op, case DW_OP_fbreg): Mark value as in stack memory.
(execute_stack_op, case DW_OP_call_frame_cfa): Ditto.
(execute_stack_op, case DW_OP_dup): Copy in_stack_memory flag.
(execute_stack_op, cases DW_OP_pick, DW_OP_over): Ditto.
(execute_stack_op, cases DW_OP_swap, DW_OP_rot): Update type of
dwarf stack value.
* dwarf2loc.c (read_pieced_value): Call read_stack for values known
to be on the program's stack.
(dwarf2_evaluate_loc_desc, case DWARF_VALUE_MEMORY): Call
set_value_stack only for objects known to be in stack memory.
* dwarf2-frame.c (execute_stack_op): New arg initial_in_stack_memory,
all callers updated.
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Fix gcc-4.5 HEAD warnings for enum ada_operator.
* Makefile.in (HFILES_NO_SRCDIR): Add ada-operator.inc.
* ada-lang.h (enum ada_operator): Move it to ...
* ada-operator.inc: ... a new file.
* expression.h (enum exp_opcode): Include ada-operator.inc.
New element OP_UNUSED_LAST. Update comment for OP_EXTENDED0.
gdb/
Fix gcc-4.5 HEAD warnings for GDB_FORM_cached_string.
* dwarf2read.c (GDB_FORM_cached_string)
(dwarf_form_name <GDB_FORM_cached_string>): Remove.
(struct attribute <dwarf_form>): Reduce the bit width.
(struct attribute <string_is_canonical>, DW_STRING_IS_CANONICAL): New.
(read_attribute_value <DW_FORM_string>)
(read_attribute_value <DW_FORM_strp>): Initialize
DW_STRING_IS_CANONICAL.
(dwarf2_name, dump_die_shallow <DW_FORM_string>)
(dump_die_shallow <DW_FORM_strp>): Update the code using former
GDB_FORM_cached_string.
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"Implementing the catch syscall feature".
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* amd64-linux-tdep.c: Include xml-syscall.h header, define the XML
syscall name for the architecture.
(amd64_linux_get_syscall_number): New function.
(amd64_linux_init_abi): Register the correct functions for syscall
catchpoint; set the correct syscall file name.
* breakpoint.c: New include: xml-syscall.h.
(set_raw_breakpoint_without_location): Setting the parameters
for the catch syscall feature.
(insert_catch_syscall): New.
(remove_catch_syscall): New.
(breakpoint_hit_catch_syscall): New.
(print_it_catch_syscall): New.
(print_one_catch_syscall): New.
(print_mention_catch_syscall): New.
(catch_syscall_breakpoint_ops): New.
(syscall_catchpoint_p): New.
(create_catchpoint_without_mention): New.
(create_catchpoint): Modified in order to use
create_catchpoint_without_mention.
(create_syscall_event_catchpoint): New.
(clean_up_filters): New.
(catch_syscall_split_args): New.
(catch_syscall_command_1): New.
(delete_breakpoint): Add cleanup for catch syscall.
(is_syscall_catchpoint_enabled): New.
(catch_syscall_enabled): New.
(catching_syscall_number): New.
(catch_syscall_completer): New completer function.
(add_catch_command): Add the completer function for catchpoints.
* breakpoint.h (syscalls_to_be_caught): New vector.
(catch_syscall_enabled): New.
(catching_syscall_number): New.
* gdbarch.c: Regenerated.
* gdbarch.h: Regenerated.
* gdbarch.sh: Add syscall catchpoint functions and structures.
(get_syscall_number): New.
(UNKNOWN_SYSCALL): New definition.
* i386-linux-nat.c (i386_linux_resume): Select the proper request
to be made for ptrace() considering if we are catching syscalls
or not.
* i386-linux-tdep.c: Include xml-syscall.h header, define the XML
syscall name for the architecture.
(i386_linux_get_syscall_number): New.
(i386_linux_init_abi): Register the correct functions for syscall
catchpoint; set the correct syscall file name.
* inf-child.c (inf_child_set_syscall_catchpoint): New.
(inf_child_target): Assign default values to target_ops.
* inf-ptrace.c (inf_ptrace_resume): Select the proper request
to be made for ptrace() considering if we are catching syscalls
or not.
* inferior.h (struct inferior): Included new variables
any_syscall_count, syscalls_counts and total_syscalls_count,
used to keep track of requested syscall catchpoints.
* infrun.c (resume): Add syscall catchpoint.
(deal_with_syscall_event): New.
(handle_inferior_event): Add syscall entry/return events.
(inferior_has_called_syscall): New.
* linux-nat.c: Define some helpful variables to track wether we have
support for the needed ptrace option.
(linux_test_for_tracesysgood): New.
(linux_supports_tracesysgood): New.
(linux_enable_tracesysgood): New.
(linux_enable_event_reporting): Save the current used ptrace
options.
(linux_child_post_attach): Calling linux_enable_tracesysgood.
(linux_child_post_startup_inferior): Likewise.
(linux_child_set_syscall_catchpoint): New function.
(linux_handle_extended_wait): Handle the case which the inferior stops
because it has called or returned from a syscall.
(linux_target_install_ops): Install the necessary functions to handle
syscall catchpoints.
* linux-nat.h (struct lwp_info): Include syscall_state into the
structure, which indicates if we are in a syscall entry or return.
* ppc-linux-tdep.c: Include xml-syscall.h header, define the XML
syscall filename for the arch.
(ppc_linux_get_syscall_number): New.
(ppc_linux_init_abi): Register the correct functions for syscall
catchpoint; setting the correct name for the XML syscall file.
* target.c (update_current_target): Update/copy functions related to
syscall catchpoint.
(target_waitstatus_to_string): Add syscall catchpoint entry/return
events.
* target.h (struct target_waitstatus): Add syscall number.
(struct syscall): New struct to hold information about syscalls
in the system.
(struct target_ops): Add ops for syscall catchpoint.
(inferior_has_called_syscall): New.
(target_set_syscall_catchpoint): New.
* xml-support.c (xml_fetch_content_from_file): New function,
transferred from xml-tdesc.c.
* xml-support.h (xml_fetch_content_from_file): New.
* xml-tdesc.c (fetch_xml_from_file): Function removed;
transferred to xml-support.c.
(file_read_description_xml): Updated to use the new
xml_fetch_content_from_file function.
* syscalls/gdb-syscalls.dtd: New definition file for syscall's XML
support.
* syscalls/amd64-linux.xml: New file containing information about
syscalls for GNU/Linux systems that use amd64 architecture.
* syscalls/i386-linux.xml: New file containing information about
syscalls for GNU/Linux systems that use i386 architecture.
* syscalls/ppc-linux.xml: New file containing information about
syscalls for GNU/Linux systems that use PPC architecture.
* syscalls/ppc64-linux.xml: New file containing information about
syscalls for GNU/Linux systems that use PPC64 architecture.
* xml-syscall.c: New file containing functions for manipulating
syscall's XML files.
* xml-syscall.h: New file, exporting the functions above mentioned.
* Makefile.in: Support for relocatable GDB datadir and XML
syscall.
* NEWS: Added information about the catch syscall feature.
* doc/gdb.texinfo (Set Catchpoints): Documentation about the new
feature.
* testsuite/Makefile.in: Inclusion of catch-syscall object.
* testsuite/gdb.base/catch-syscall.c: New file.
* testsuite/gdb.base/catch-syscall.exp: New file.
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the write succeeded.
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*minsyms.c (lookup_minimal_symbol_by_pc_section_1): Assert non-NULL
section.
(lookup_minimal_symbol_by_pc_section): Check for NULL section.
(lookup_minimal_symbol_by_pc): Adjust.
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* objfiles.c (qsort_cmp): Remove asserts.
(insert_section_p, filter_debuginfo_sections): New function.
(filter_overlapping_sections): Likewise.
(update_section_map): Adjust.
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* frame.c (get_frame_id): Default to outer_frame_id if the this_id
method does not supply an ID. Assert that the result is not
null_frame_id.
(outer_frame_id): New.
(frame_id_p): Accept outer_frame_id.
(frame_id_eq): Allow outer_frame_id to be equal to itself.
(frame_find_by_id): Revert previous local workarounds.
(get_prev_frame_1): Adjust end-of-stack check to test outer_frame_id.
* frame.h (null_frame_id, frame_id_p): Update comments.
(outer_frame_id): Declare.
* infrun.c (handle_inferior_event): Do not treat all steps from the
outermost frame as subroutine calls.
* libunwind-frame.c (libunwind_frame_this_id): Do not clear THIS_ID.
* hppa-tdep.c (hppa_stub_frame_this_id): Likewise.
* ia64-tdep.c (ia64_frame_this_id): Likewise.
(ia64_libunwind_frame_this_id, ia64_libunwind_sigtramp_frame_this_id):
Use outer_frame_id instead of null_frame_id.
* amd64obsd-tdep.c (amd64obsd_trapframe_cache): Use outer_frame_id.
* i386obsd-tdep.c (i386obsd_trapframe_cache): Likewise.
* inline-frame.c (inline_frame_this_id): Refuse outer_frame_id.
* thread.c (restore_selected_frame): Update comment and remove
frame_id_p check.
gdb/doc/
* gdbint.texinfo (Unwinding the Frame ID): Reference outer_frame_id.
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* gdb.reverse/step-reverse.exp: Explicitly check for targets
that can support reverse debuggnig.
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local addr_or_regnum.
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with save, free.
(register_objfile_data_with_cleanup): Delete arg cleanup and replace
with save, free. All callers updated.
(clear_objfile_data): Replace cleanup loop with separate save and
free loops.
* objfiles.h (register_objfile_data_with_cleanup): Update.
* arm-tdep.c (arm_objfile_data_free): Renamed from
arm_objfile_data_cleanup, all callers updated.
* dwarf2read.c (dwarf2_per_objfile_free): Renamed from
dwarf2_per_objfile_cleanup, all callers updated.
* python/py-objfile.c (py_free_objfile): Renamed from clean_up_objfile,
all callers updated.
* python/py-type.c (save_objfile_types): Renamed from
clean_up_objfile_types, all callers updated.
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* dwarf2loc.c (struct piece_closure) <arch>: New field.
(dwarf2_evaluate_loc_desc): Update.
(dwarf2_loc_desc_needs_frame): Likewise.
(allocate_piece_closure): Initialize new field.
(read_pieced_value): Update.
(write_pieced_value): Update.
(copy_pieced_value_closure): Update.
* dwarf2expr.h (enum dwarf_value_location): New.
(struct dwarf_expr_context) <in_reg>: Remove.
<location, len, data>: New fields.
(struct dwarf_expr_piece) <in_reg, value>: Remove.
<location, v>: New fields.
* dwarf2expr.c (add_piece): Remove in_reg, value arguments.
Update.
(require_composition): New function.
(execute_stack_op): Update.
<DW_OP_implicit_value, DW_OP_stack_value>: New cases.
<DW_OP_reg0>: Set location, not in_reg.
<DW_OP_regx>: Likewise. Use require_composition.
<DW_OP_fbreg>: Update.
<DW_OP_piece>: Likewise.
* dwarf2-frame.c (execute_stack_op): Update.
gdb/testsuite
* gdb.dwarf2/valop.S: New file.
* gdb.dwarf2/valop.exp: New file.
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Add $gdb_prompt to second breakpoint regexp.
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