path: root/gdb/ChangeLog

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Signal unwinder for mips-irix N32.
	* mips-irix-tdep.c: #include mips-tdep.h, trad-frame.h, and
	tramp-frame.h.
	(SIGTRAMP_FRAME_SIZE, SIGCONTEXT_PC_OFF, SIGCONTEXT_REGS_OFF)
	(SIGCONTEXT_FPREGS_OFF, SIGCONTEXT_FPCSR_OFF, SIGCONTEXT_HI_OFF)
	(SIGCONTEXT_LO_OFF): New macros. 
	(mips_irix_n32_tramp_frame_init): New function. 
	(mips_irix_n32_tramp_frame): New static constant.
	(mips_irix_init_abi): Prepend the mips_irix_n32_tramp_frame unwinder.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Breakpoint in shared library does not work on mips-irix.
	* procfs.c: #include "observer.h".
	(procfs_inferior_created): New function, moving here the code
	which unsets the syssgi syscall-exit notifications.
	(procfs_create_inferior): Remove the code which unsets the syssgi
	syscall-exit notifications. It is too early to do this here.
	(_initialize_procfs): Attach the procfs_inferior_created observer.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Wrong return convention for arrays (mips-irix).
	* mips-tdep.c (mips_n32n64_return_value): Arrays whose size is
	128 bits or smaller are returned the same way as structs
	and unions of the the same size.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Cannot set the PC on mips-irix.
	* irix5-nat.c (fill_gregset): Check regno against the raw PC
	register number, no the cooked one.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Error while loading core file on mips-irix.
	* solib-irix.c (irix_solib_create_inferior_hook): Do nothing
	if debugging from a core file.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	GDB hangs when attaching to process on mips-irix.
	* solib-irix.c (irix_solib_create_inferior_hook): Do nothing if
	attaching to a process.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Use the correct breakpoint instruction on mips-irix.
	* mips-tdep.c (mips_breakpoint_from_pc): Add new static variable
	containing the correct breakpoint instruction to use on mips-irix.
	Use it when the osabi is GDB_OSABI_IRIX.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	-Wunused warning in procfs.c (mips-irix only).
	* procfs.c (gdb_praddset, gdb_prdelset): New macros.  Use them
	throughout instead of using praddset and prdelset respectively.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	GDB crash while stepping into function.
	* infrun.c (handle_inferior_event): Refetch the current frame
	after handling what.main_action, in case that pointer became
	dangling.

2010-01-09  Joel Brobecker  <brobecker@adacore.com>

	Fix build failure of solaris-hosted cross debuggers.
	* ada-valprint.c, parse.c: Include defs.h before including ctype.h.

2010-01-09  Daniel Gutson  <dgutson@codesourcery.com>

	Fix build failure on sparc-solaris.
	* procfs.c: (procfs_do_thread_registers) Use elfcore_write_lwpstatus.

2010-01-08  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Move some symfile code into subroutines.
	* symfile.h (relative_addr_info_to_section_offsets)
	(addr_info_make_relative): New prototypes.
	* symfile.c (default_symfile_offsets): Move a part to ...
	(relative_addr_info_to_section_offsets): ... this new function.
	(default_symfile_offsets): Call it.
	(syms_from_objfile <!mainline && addrs && addrs->other[0].name>): Move
	this part to ...
	(addr_info_make_relative): ... this new function.

2010-01-08  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Add from_tty to solib_create_inferior_hook.
	* infcmd.c (post_create_inferior): Move solib_add after
	solib_create_inferior_hook.  Pass from_tty to
	solib_create_inferior_hook.  Call solib_add and SOLIB_ADD with
	0 from_tty and comment why.
	* infrun.c (follow_exec): Pass from_tty solib_create_inferior_hook as 0.
	* linux-nat.c (linux_child_follow_fork): Likewise.
	* nto-procfs.c (procfs_post_attach, procfs_create_inferior): Likewise.
	* solib-darwin.c (darwin_solib_create_inferior_hook): New parameter
	from_tty.
	* solib-frv.c (frv_solib_create_inferior_hook): Likewise.
	* solib-irix.c (irix_solib_create_inferior_hook): Likewise.
	* solib-null.c (null_solib_create_inferior_hook): Likewise.
	* solib-osf.c (osf_solib_create_inferior_hook): Likewise.
	* solib-pa64.c (pa64_solib_create_inferior_hook): Likewise.
	* solib-som.c (som_solib_create_inferior_hook): Likewise.
	* solib-spu.c (spu_solib_create_inferior_hook): New parameter from_tty.
	Pass it to svr4_so_ops.solib_create_inferior_hook.
	* solib-sunos.c (sunos_solib_create_inferior_hook): New parameter
	from_tty.
	* solib-svr4.c (enable_break): New parameter from_tty.  Pass it to
	solib_add.
	(svr4_solib_create_inferior_hook): New parameter from_tty.  Pass it to
	enable_break.
	* solib-target.c (solib_target_solib_create_inferior_hook): New
	parameter from_tty.
	* solib.c (solib_create_inferior_hook): New parameter from_tty.  Pass
	it to ops->solib_create_inferior_hook.
	(reload_shared_libraries): Pass from_tty to solib_create_inferior_hook.
	Move solib_add after solib_create_inferior_hook, call it now with
	from_tty as 0.  New comment there.
	* solib.h (solib_create_inferior_hook): New parameter from_tty.
	* solist.h (struct target_so_ops <solib_create_inferior_hook>):
	Likewise.

2010-01-08  Vladimir Prus  <vladimir@codesourcery.com>

	Fix multiexec race.
	* infrun.c (handle_inferior_event): Use get_thread_regcache
	with events ptid, not get_current_regcache.

2009-01-08  Joel Brobecker  <brobecker@adacore.com>

	GDB crash with empty executable name (MinGW).
	* source.c (openp): Add assert that parameter string is not NULL.
	if parameter string is an empty string, then return with a failure
	immediately.

2009-01-08  Joel Brobecker  <brobecker@adacore.com>

	Get rid of support for VAX Floats.
	* ada-lang.h (ada_is_vax_floating_type, ada_vax_float_type_suffix)
	(ada_vax_float_print_function): Delete.
	* ada-lang.c (ada_is_vax_floating_type, ada_vax_float_type_suffix)
	(ada_vax_float_print_function): Delete.
	* ada-typeprint.c (print_vax_floating_point_type): Delete.
	(ada_print_type): Remove support for VAX floats.
	* ada-valprint.c (ada_val_print_1): Remove support for VAX floats.

2010-01-08  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* stabsread.c (read_args): Handle zero arguments.

2009-01-08  Joel Brobecker  <brobecker@adacore.com>

	Cannot find in-tree libiconv.a after reconfigure.
	* acinclude.m4 (AM_ICONV): If we find an in-tree libiconv.a
	that we can use, then cache the path to this archive.
	* configure: Regenerate.

2010-01-07  Stan Shebs  <stan@codesourcery.com>

	Make tracepoint operations go through target vector.
	* target.h (enum trace_find_type): New enum.
	(struct target_ops): New fields to_trace_init,
	to_download_tracepoint, to_download_trace_state_variable,
	to_trace_set_readonly_regions, to_trace_start, to_get_trace_status,
	to_trace_stop, to_trace_find, to_get_trace_state_variable_value,
	to_set_disconnected_tracing.
	(target_trace_init): New macro.
	(target_download_tracepoint): New macro.
	(target_download_trace_state_variable): New macro.
	(target_trace_start): New macro.
	(target_trace_set_readonly_regions): New macro.
	(target_get_trace_status): New macro.
	(target_trace_stop): New macro.
	(target_trace_find): New macro.
	(target_get_trace_state_variable_value): New macro.
	(target_set_disconnected_tracing): New macro.
	* target.c (update_current_target): Inherit and set defaults for
	tracepoint operations.
	* tracepoint.c (default_collect): Make globally visible.
	(target_is_remote): Remove, along with all calls.
	(tvariables_info): Call target_get_trace_state_variable_value.
	(remote_set_transparent_ranges): Remove.
	(trace_start_command): Call target_trace_init,
	target_download_tracepoint, etc.
	(download_tracepoint): Remove.
	(trace_stop_command): Simplify.
	(stop_tracing): Call target_trace_stop.
	(get_trace_status): Call target_get_trace_status.
	(trace_status_command): Add case for targets that cannot trace.
	(finish_tfind_command): Change to take numerical arguments, call
	target_trace_find.
	(trace_find_command): Update call to finish_tfind_command.
	(trace_find_pc_command): Ditto.
	(trace_find_tracepoint_command): Ditto.
	(trace_find_line_command): Ditto.
	(trace_find_range_command): Ditto.
	(trace_find_outside_command): Ditto.
	(set_disconnected_tracing_value): Call
	target_set_disconnected_tracing.
	* remote.c: Add protocol encoding bits from tracepoint.c.
	(trace_error): Move from tracepoint.c.
	(remote_get_noisy_reply): Ditto.
	(free_actions_list_cleanup_wrapper): Ditto.
	(free_actions_list): Ditto.
	(remote_trace_init): New function.
	(remote_download_tracepoint): New function.
	(remote_download_trace_state_variable): New function.
	(remote_trace_set_readonly_regions): New function.
	(remote_trace_start): New function.
	(remote_get_trace_status): New function.
	(remote_trace_stop): New function.
	(remote_trace_find): New function.
	(remote_download_trace_state_variable): New function.
	(remote_set_disconnected_tracing): New function.
	(init_remote_ops): Add tracepoint operations.

	* tracepoint.c (trace_dump_command): Don't decr_pc_after_break.

2010-01-07  Tristan Gingold  <gingold@adacore.com>

	* symfile.c (build_section_addr_info_from_objfile): New function.
	(symbol_file_add_separate): Don't use offsets from objfile but
	built an addr info.

2010-01-06  Stan Shebs  <stan@codesourcery.com>

	Support disconnected tracing.
	* infcmd.c (detach_command): Ask whether to stop tracing.
	* cli/cli-cmds.c (quit_command): Ditto.
	* breakpoint.h (struct breakpoint): New field number_on_target.
	* breakpoint.c (create_tracepoint_from_upload): New function.
	(get_tracepoint_by_number_on_target): New function.
	* remote.c (struct remote): New field disconnected_tracing.
	(remote_disconnected_tracing_feature): New function.
	(remote_protocol_features): Add DisconnectedTracing.
	(struct uploaded_tp): New struct.
	(uploaded_tps): New global.
	(get_uploaded_tp): New function.
	(find_matching_tracepoint): New function.
	(remote_get_tracing_state): New function.
	(remote_start_remote): Call it.
	* tracepoint.c (disconnected_tracing): New global.
	(trace_start_command): Initialize number_on_target.
	(stop_tracing): New function, split out from...
	(trace_stop_command): Call stop_tracing.
	(get_trace_status): New function, split out from...
	(trace_status_command): Call get_trace_status, add info on
	disconnection behavior.
	(disconnect_or_stop_tracing): New function.
	(finish_tfind_command): Translate from number on target.
	(trace_find_tracepoint_command): Translate to number on target.
	(send_disconnected_tracing_value): New function.
	(set_disconnected_tracing): New function.
	(_initialize_tracepoint): Add disconnected-tracing variable.
	* NEWS: Mention disconnected tracing.

2010-01-06  Tristan Gingold  <gingold@adacore.com>

	* symtab.c (lookup_global_symbol_from_objfile): Rename objfile
	parameter to main_objfile.  Iterate on all separate debug objfiles.
	* symfile.h (symbol_file_add_separate)
	(find_separate_debug_file_by_debuglink): Remove parameter names.
	* symfile.c (symbol_file_add_separate): Use add_separate_objfile.
	(reread_symbols): Use free_objfile_separate_debug.
	* objfiles.h (struct objfile): Add separate_debug_objfile_link.
	Adjust comment.
	(objfile_separate_debug_iterate, add_separate_debug_objfile)
	(free_objfile_separate_debug): New prototypes.
	* objfiles.c (objfile_separate_debug_iterate): New function.
	(add_separate_debug_objfile, free_objfile_separate_debug): New
	functions.
	(free_objfile): Use free_objfile_separate_debug.  Adjust for
	multiple separate debug objfile.
	(objfile_has_symbols): Adjust comment.  Iterate on all separate
	debug objfiles.
	* minsyms.c (lookup_minimal_symbol): Adjust for multiple separate
	debug objfile.
	(lookup_minimal_symbol_text): Ditto.
	(lookup_minimal_symbol_by_pc_name): Ditto.
	(lookup_minimal_symbol_solib_trampoline): Ditto.
	(lookup_minimal_symbol_by_pc_section_1): Iterate on all separate
	debug objfiles.

2010-01-05  Stan Shebs  <stan@codesourcery.com>

	Add fast tracepoints.
	* arch-utils.h (default_fast_tracepoint_valid_at): Declare.
	* arch-utils.c (default_fast_tracepoint_valid_at): New function.
	* breakpoint.h (enum bptype): Add bp_fast_tracepoint.
	* breakpoint.c (tracepoint_type): New function.
	(ALL_TRACEPOINTS): Use it.
	(should_be_inserted): Ditto.
	(bpstat_check_location): Ditto.
	(print_one_breakpoint_location): Ditto.
	(user_settable_breakpoint): Ditto.
	(set_breakpoint_location_function): Ditto.
	(disable_breakpoints_in_shlibs): Ditto.
	(delete_trace_command): Ditto.
	(print_it_typical): Add bp_fast_tracepoint case.
	(bpstat_what): Ditto.
	(print_one_breakpoint_location): Ditto.
	(allocate_bp_location): Ditto.
	(mention): Ditto.
	(breakpoint_re_set_one): Ditto.
	(disable_command): Ditto.
	(enable_command): Ditto.
	(check_fast_tracepoint_sals): New function.
	(break_command_really): Call it.
	(ftrace_command): New function.
	(_initialize_breakpoint): Add ftrace command.
	* gdbarch.sh (fast_tracepoint_valid_at): New.
	* gdbarch.h, gdbarch.c: Regenerate.
	* i386-tdep.c (i386_fast_tracepoint_valid_at): New function.
	(i386_gdbarch_init): Use it.
	* remote.c (struct remote_state): New field fast_tracepoints.
	(PACKET_FastTracepoints): New packet config type.
	(remote_fast_tracepoint_feature): New function.
	(remote_protocol_features): Add FastTracepoints.
	(remote_supports_fast_tracepoints): New function.
	(_initialize_remote): Add FastTracepoints.
	* tracepoint.c (download_tracepoint): Add fast tracepoint option.
	* NEWS: Mention fast tracepoints.

2010-01-06  Joel Brobecker  <brobecker@adacore.com>

	* gdb-gdb.py: New file.

2010-01-05  Michael Snyder  <msnyder@vmware.com>

	* infrun.c (handle_inferior_event): Fix typo in comment.

2010-01-05  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* symfile.c (syms_from_objfile): Remove the !MAINLINE conditional.

2010-01-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * features/Makefile (WHICH): Add s390-linux32, s390-linux64,
	and s390x-linux64.
	(s390-linux32-expedite): Define.
	(s390-linux64-expedite): Define.
	(s390x-linux64-expedite): Define.
	* features/s390-acr.xml: New file.
	* features/s390-fpr.xml: New file.
	* features/s390-core32.xml: New file.
	* features/s390-core64.xml: New file.
	* features/s390x-core64.xml: New file.
	* features/s390-linux32.xml: New file.
	* features/s390-linux64.xml: New file.
	* features/s390x-linux64.xml: New file.
	* features/s390-linux32.c: New generated file.
	* features/s390-linux64.c: New generated file.
	* features/s390x-linux64.c: New generated file.

	* regformats/s390-linux32.dat: New generated file.
	* regformats/s390-linux64.dat: New generated file.
	* regformats/s390x-linux64.dat: New generated file.
	* regformats/reg-s390.dat: Remove.
	* regformats/reg-s390x.dat: Remove.

	* s390-nat.c: Include "auxv.h" and <elf.h>.
	(HWCAP_S390_HIGH_GPRS): Define if undefined.
	(s390_target_wordsize): New function.
	(s390_auxv_parse): Likewise.
	(s390_get_hwcap): Likewise.
	(s390_read_description): Likewise.
	(_initialize_s390_nat): Install s390_auxv_parse and
	s390_read_description.

	* s390-tdep.c: Include "features/s390-linux32.c",
	"features/s390-linux64.c", and "features/s390x-linux64.c".
	(struct gdbarch_tdep): Add gpr_full_regnum, pc_regnum, and cc_regnum.
	(s390_register_call_saved): New function.
	(s390_register_name): Remove.
	(s390_register_type): Remove.
	(s390_dwarf_regmap): Add lower half GPR pseudo DWARF CFI regnums.
	(s390_dwarf_reg_to_regnum): Remap GPR regnums to full GPRs.
	(s390_adjust_frame_regnum): Remap GPR regnums to lower halves for CFI.
	(s390_pseudo_register_name): New function.
	(s390_pseudo_register_type): New function.
	(s390_pseudo_register_read): Handle both 32-bit and 64-bit cases.
	Handle full GPR pesudos and varying pseudo register numbers.
	(s390_pseudo_register_write): Likewise
	(s390x_pseudo_register_read): Remove.
	(s390x_pseudo_register_write): Likewise.
	(s390_register_group): Remove.
	(s390_pseudo_register_group): New function.
	(s390_regmap_gregset): Add GPR upper halves.
	(s390x_regmap_gregset): Likewise.
	(s390_regmap_fpregset): Likewise.
	(s390_regmap_upper): New global variable.
	(s390_upper_regset): New global variable.
	(s390_upper_regset_sections): New global variable.
	(s390_regset_from_core_section): Handle GPR upper halves.
	(s390_core_read_description): New function.
	(s390_prologue_frame_unwind_cache): Set up ABI call-saved/clobbered
	register information.  Handle varying pseudo register numbers.
	(s390_backchain_frame_unwind_cache): Likewise.
	(s390_frame_prev_register): Unwind full GPRs to show lower halves.
	(s390_stub_frame_unwind_cache): Handle varying pseudo register numbers.
	(s390_sigtramp_frame_unwind_cache): Unwind PSWM and PSWA as well as
	PC and CC pseudos.  Unwind upper halves and full GPRs as appropriate.
	Handle varying pseudo register numbers.
	(s390_unwind_pc): Handle varying pseudo register numbers.
	(s390_dwarf2_prev_register): New function.
	(s390_dwarf2_frame_init_reg): Set up ABI call-saved/clobbered
	register information.  Handle varying pseudo register numbers.
	Install s390_dwarf2_prev_register to unwind full GPRs.
	(s390_gdbarch_init): Handle target descriptions.  Assign varying
	pseudo register numbers.  Install s390_adjust_frame_regnum.
	(_initialize_s390_tdep): Initialize target descriptions.

	* s390-tdep.h (S390_R0_UPPER_REGNUM .. S390_R15_UPPER_REGNUM): Define.
	(S390_NUM_REGS): Redefine to include upper half registers.
	(S390_PC_REGNUM, S390_CC_REGNUM): Remove.
	(S390_NUM_PSEUDO_REGS, S390_NUM_TOTAL_REGS): Likewise.
	(tdesc_s390_linux32): Add declaration.
	(tdesc_s390_linux64): Likewise.
	(tdesc_s390x_linux64): Likewise.

2010-01-04  Ulrich Weigand  <uweigand@de.ibm.com>

	* regset.h (struct core_regset_section): Add HUMAN_NAME.
	* i386-linux-tdep.c (i386_linux_regset_sections): Fill in HUMAN_NAME.
	* ppc-linux-tdep.c (ppc_linux_vsx_regset_sections): Likewise.
	(ppc_linux_vmx_regset_sections): Likewise.
	(ppc_linux_fp_regset_sections): Likewise.

	* corelow.c (get_core_register_section): Constify arguments.
	(get_core_registers): Use gdbarch_core_regset_sections instead
	of hard-coded platform-specific register section names.

2010-01-04  Ulrich Weigand  <uweigand@de.ibm.com>

	* dwarf2loc.c (read_pieced_value): If a piece occupies part of
	a register, assume the least-significant part is used.
	(write_pieced_value): Likewise.

2010-01-04  Ulrich Weigand  <uweigand@de.ibm.com>

	* printcmd.c: Include "arch-utils.h".
	(do_one_display): Re-parse expression if current architecture changed.

2010-01-03  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Joel Brobecker  <brobecker@adacore.com>

	* gdbtypes.c (check_typedef): New comment on type length.
	* value.c (allocate_value_lazy): Remove the unused atype variable.  New
	comment on type length.
	(value_primitive_field): Keep the original TYPE value, new comment.

2010-01-01  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* cli/cli-script.c (process_next_line): Rename p1 as p_end and p2 as
	p_start.  Change != comparisons to > and < comparisons.

2010-01-01  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* cli/cli-script.c (process_next_line): Check P2 overrun.

2009-01-01  Joel Brobecker  <brobecker@adacore.com>

	Update the copyright hearder to add year 2010 for most GDB files.

2009-01-01  Joel Brobecker  <brobecker@adacore.com>

	Fix build failure in inf-ptrace.c.
	* inf-ptrace.c (inf_ptrace_follow_fork): Fix typo.

2010-01-01  Joel Brobecker  <brobecker@adacore.com>

	* top.c (print_gdb_version): Update copyright year.

2010-01-01  Joel Brobecker  <brobecker@adacore.com>

	Fix break *FUN'address thread NUM.
	* ada-lex.l (task): Expand rule to also match the thread keyword.

2010-01-01  Joel Brobecker  <brobecker@adacore.com>

	Fix break *FUN'address task NUM.
	* ada-lex.l (task): New rule.
	* ada-lang.c (valid_task_id): Make sure the Ada task list has
	been built before using it.

For older changes see ChangeLog-2009.

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