Barney Stratford [Tue, 1 Jul 2014 09:20:17 +0000 (10:20 +0100)]
Add support for the AVR Tiny series of microcontrollers.
* archures.c: add avrtiny architecture for avr target.
* bfd-in2.h: Regenerate.
* cpu-avr.c (arch_info_struct): add avrtiny arch info.
* elf32-avr.c (elf_avr_howto_table): new relocation R_AVR_LDS_STS_16
added for 16 bit LDS/STS instruction of avrtiny arch.
(avr_reloc_map): reloc R_AVR_LDS_STS_16 is mapped to
BFD_RELOC_AVR_LDS_STS_16.
(bfd_elf_avr_final_write_processing): select machine number avrtiny arch.
(elf32_avr_object_p): set machine number for avrtiny arch.
* libbfd.h: Regenerate.
* reloc.c: Add documentation for BFD_RELOC_AVR_LDS_STS_16 reloc.
* config/tc-avr.c (mcu_types): Add avrtiny arch.
Add avrtiny arch devices attiny4, attiny5, attiny9, attiny10, attiny20
and attiny40.
(md_show_usage): Add avrtiny arch in usage message.
(avr_operand): validate and issue error for invalid register for avrtiny.
add new reloc exp for 16 bit lds/sts instruction.
(md_apply_fix): check 16 bit lds/sts operand for out of range and encode.
(md_assemble): check ISA for arch and issue diagnostic.
* include/elf/avr.h (E_AVR_MACH_AVRTINY): define avrtiny machine number.
(R_AVR_LDS_STS_16): define 16 bit lds/sts reloc number.
* include/opcode/avr.h (AVR_ISA_TINY): define avrtiny specific ISA.
(AVR_ISA_2xxxa): define ISA without LPM.
(AVR_ISA_AVRTINY): define avrtiny arch ISA.
Add doc for contraint used in 16 bit lds/sts.
Adjust ISA group for icall, ijmp, pop and push.
Add 16 bit lds/sts encoding and update 32 bit lds/sts constraints.
* opcodes/avr-dis.c (avr_operand): Handle constraint j for 16 bit lds/sts.
(print_insn_avr): do not select opcode if insn ISA is avrtiny and machine
is not avrtiny.
* Makefile.am (ALL_EMULATION_SOURCES): add avrtiny emulation source.
(eavrtiny.c): add rules for avrtiny emulation source.
* Makefile.in: Regenerate.
* configure.tgt: Add avrtiny to avr target emulations.
* scripttempl/avrtiny.sc: New file.
linker script template for avrtiny arch.
* emulparams/avrtiny.sh: New file.
emulation parameters for avrtiny arch.
Michael Eager [Tue, 1 Jul 2014 00:38:15 +0000 (17:38 -0700)]
Sim - Use long int format instead of int to avoid compiling warning
2014-07-01 Chen Gang <gang.chen.5i5j@gmail.com>
* sim/microblaze/interp.c: Use long int format instead of int
format to avoid compiling warnings.
Michael Eager [Tue, 7 Jan 2014 17:15:48 +0000 (09:15 -0800)]
2014-01-07 Michael Eager <eager@eagercon.com>
* dwarf2read.c (read_structure_type): Set stub if ICC & length == 0.
Alan Modra [Tue, 1 Jul 2014 00:00:39 +0000 (09:30 +0930)]
daily update
Tom Tromey [Thu, 28 Mar 2013 17:08:31 +0000 (11:08 -0600)]
constify search_symbols
This constifies the parameters to search_symbols and fixes up the
fallout.
Tested by rebuilding.
2014-06-30 Tom Tromey <tromey@redhat.com>
* symtab.c (operator_chars): Make parameters and return type
const.
(file_matches): Make "files" const.
(struct search_symbols_data) <files>: Now const.
(search_symbols): Make "regexp" and "files" parameters const.
Update.
(symtab_symbol_info): Remove cast.
(rbreak_command): Update.
* symtab.h (search_symbols): Update.
Andreas Arnez [Thu, 26 Jun 2014 15:21:08 +0000 (17:21 +0200)]
watchpoint-reuse-slot.exp: Correctly skip unsupported commands.
The test case "watchpoint-reuse-slot.exp" yields a lot of failures on
s390/s390x: all instances of awatch, rwatch, and hbreak are performed
even though they aren't supported on these targets. This is because
the test case ignores non-support error messages when probing for
support of these commands, like:
(gdb) rwatch buf.byte[0]
Target does not support this type of hardware watchpoint.
The patch adds handling for this case in the appropriate
gdb_test_multiple invocations.
gdb/testsuite/
* gdb.base/watchpoint-reuse-slot.exp: Handle the case that the
target lacks support for awatch, rwatch, or hbreak.
Ulrich Drepper [Mon, 30 Jun 2014 10:58:52 +0000 (06:58 -0400)]
lexsup.c (parse_args): Check whether provided SONAME is empty
string. If yes, warn and ignore it. Don't overwrite valid SONAME
with empty string.
Alan Modra [Mon, 30 Jun 2014 00:42:59 +0000 (10:12 +0930)]
daily update
Alan Modra [Sat, 28 Jun 2014 00:00:39 +0000 (09:30 +0930)]
daily update
Alan Modra [Fri, 27 Jun 2014 01:24:03 +0000 (10:54 +0930)]
Avoid cascading errors due to write_object_file change
* config/obj-macho.c (obj_mach_o_set_symbol_qualifier): Don't set
SYM_MACHO_FIELDS_NOT_VALIDATED after reporting an error.
(obj_mach_o_frob_label): Avoid cascading errors.
(obj_mach_o_frob_symbol): Don't set SYM_MACHO_FIELDS_NOT_VALIDATED.
Yao Qi [Wed, 25 Jun 2014 03:52:52 +0000 (11:52 +0800)]
Associate dummy_frame with ptid
This patch is to add ptid into dummy_frame and extend frame_id to
dummy_frame_id (which has a ptid field). With this change, GDB uses
dummy_frame_id (thread ptid and frame_id) to find the dummy frames.
Currently, dummy frames are looked up by frame_id, which isn't
accurate in non-stop or multi-process mode. The test case
gdb.multi/dummy-frame-restore.exp shows the problem and this patch can
fix it.
Test dummy-frame-restore.exp makes two inferiors stop at
different functions, say, inferior 1 stops at f1 while inferior 2
stops at f2. Set a breakpoint to a function, do the inferior call
in two inferiors, and GDB has two dummy frames of the same frame_id.
When the inferior call is finished, GDB will look up a dummy frame
from its stack/list and restore the inferior's regcache. Two
inferiors are finished in different orders, the inferiors' states are
restored differently, which is wrong. Running dummy-frame-restore.exp
under un-patched GDB, we'll get two fails:
FAIL: gdb.multi/dummy-frame-restore.exp: inf 2 first: after infcall: bt in inferior 2
FAIL: gdb.multi/dummy-frame-restore.exp: inf 2 first: after infcall: bt in inferior 1
With this patch applied, GDB will choose the correct dummy_frame to
restore for a given inferior, because ptid is considered when looking up
dummy frames. Two fails above are fixed.
Regression tested on x86_64-linux, both native and gdbserver.
gdb:
2014-06-27 Yao Qi <yao@codesourcery.com>
* breakpoint.c (check_longjmp_breakpoint_for_call_dummy):
Change parameter type to 'struct thread_info *'. Caller
updated.
* breakpoint.h (check_longjmp_breakpoint_for_call_dummy):
Update declaration.
* dummy-frame.c (struct dummy_frame_id): New.
(dummy_frame_id_eq): New function.
(struct dummy_frame) <id>: Change its type to 'struct
dummy_frame_id'.
(dummy_frame_push): Add parameter ptid and save it in
dummy_frame_id.
(pop_dummy_frame_bpt): Use ptid of dummy_frame instead of
inferior_ptid.
(pop_dummy_frame): Assert that the ptid of dummy_frame equals
to inferior_ptid.
(lookup_dummy_frame): Change parameter type to 'struct
dummy_frame_id *'. Callers updated. Call dummy_frame_id_eq
instead of frame_id_eq.
(dummy_frame_pop): Add parameter ptid. Callers updated.
Update comments. Compose dummy_frame_id and pass it to
lookup_dummy_frame.
(dummy_frame_discard): Add parameter ptid.
(dummy_frame_sniffer): Compose dummy_frame_id and call
dummy_frame_id_eq instead of frame_id_eq.
(fprint_dummy_frames): Print ptid.
* dummy-frame.h: Remove comments.
(dummy_frame_push): Add ptid in declaration.
(dummy_frame_pop, dummy_frame_discard): Likewise.
gdb/testsuite:
2014-06-27 Yao Qi <yao@codesourcery.com>
* gdb.multi/dummy-frame-restore.exp: New.
* gdb.multi/dummy-frame-restore.c: New.
gdb/doc:
2014-06-27 Yao Qi <yao@codesourcery.com>
* gdb.texinfo (Maintenance Commands): Update the output of
'maint print dummy-frames' command.
Ludovic Courtès [Mon, 5 May 2014 15:33:16 +0000 (17:33 +0200)]
PR external/{16327,16328}: Remove etc/configure.texi and etc/standards.texi.
etc/ChangeLog
2014-06-27 Ludovic Courtès <ludo@gnu.org>
PR external/16327
PR external/16328
* Makefile.in (MAKEINFO, TEXI2DVI, TEXI2PDF, TEXI2HTML, DVIPS)
(TEXIDIR, INFOFILES, DVIFILES, PDFFILES, HTMLFILES): Remove.
(all): Remove dependency on 'info'.
(install): Remove dependency on 'install-info'.
(standards.info, standards.html, standards.dvi, standards.ps)
(standards.pdf, configure.info, configure.dvi, configure.ps)
(configure.pdf, configure.pdf): Remove.
(info, install-info, html, install-html, dvi, pdf, install-pdf)
clean, maintainer-clean, realclean): Remove body.
* etc/configbuild.ein, etc/configbuild.fig, etc/configbuild.jin,
etc/configbuild.tin, etc/configdev.ein, etc/configdev.fig,
etc/configdev.jin, etc/configdev.tin, etc/configure.texi,
etc/fdl.texi, etc/gnu-oids.texi, etc/make-stds.texi,
etc/standards.texi: Remove.
Alan Modra [Fri, 27 Jun 2014 01:11:31 +0000 (10:41 +0930)]
Fix undefined symbol errors from mips.cc
* symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline.
Alan Modra [Fri, 27 Jun 2014 00:00:38 +0000 (09:30 +0930)]
daily update
Tom Tromey [Fri, 27 Dec 2013 21:36:35 +0000 (14:36 -0700)]
constify error_no_arg
This is a trivial patch to make error_no_arg take a const argument.
2014-06-26 Tom Tromey <tromey@redhat.com>
* cli/cli-cmds.c (error_no_arg): Make "why" const.
* command.h (error_no_arg): Update.
Tom Tromey [Fri, 27 Dec 2013 05:31:32 +0000 (22:31 -0700)]
constify do_set_command and do_show_command
This changes do_set_command and do_show_command to take const
arguments.
2014-06-26 Tom Tromey <tromey@redhat.com>
* cli/cli-setshow.c (do_set_command): Make "arg" const.
(do_show_command): Make "arg" const.
* cli/cli-setshow.h (do_set_command, do_show_command): Update.
Tom Tromey [Mon, 15 Apr 2013 14:59:03 +0000 (08:59 -0600)]
constify get_bookmark and goto_bookmark
This makes arguments to to_get_bookmark and to_goto_bookmark const and
fixes the fallout. Tested by rebuilding. The only thing of note is
the new split between cmd_record_goto and record_goto -- basically
separating the CLI function from a new internal API, to allow const
propagation.
2014-06-26 Tom Tromey <tromey@redhat.com>
* record-full.c (record_full_get_bookmark): Make "args" const.
(record_full_goto_bookmark): Make "raw_bookmark" const.
* record.c (record_goto): New function.
(cmd_record_goto): Use it. Now static.
* record.h (record_goto): Declare.
(cmd_record_goto): Remove declaration.
* target-delegates.c: Rebuild.
* target.h (struct target_ops) <to_get_bookmark,
to_goto_bookmark>: Make parameter const.
Tom Tromey [Wed, 27 Mar 2013 20:14:26 +0000 (14:14 -0600)]
constify to_load
This makes the argument to the target_ops to_load method "const", and
fixes up the fallout. Tested by rebuilding all the affected files.
2014-06-26 Tom Tromey <tromey@redhat.com>
* defs.h (generic_load): Update.
* m32r-rom.c (m32r_load_gen): Make "filename" const.
* monitor.c (monitor_load): Make "args" const.
* remote-m32r-sdi.c (m32r_load): Make "args" const.
* remote-mips.c (mips_load_srec, pmon_load_fast): Make "args"
const.
(mips_load): Make "file" const.
* remote-sim.c (gdbsim_load): Make "args" const.
* remote.c (remote_load): Make "name" const.
* symfile.c (generic_load): Make "args" const.
* target-delegates.c: Rebuild.
* target.c (target_load): Make "arg" const.
(debug_to_load): Make "args" const.
* target.h (struct target_ops) <to_load>: Make parameter const.
(target_load): Update.
Tom Tromey [Mon, 16 Jun 2014 09:17:19 +0000 (03:17 -0600)]
fix memory errors with demangled name hash
This fixes a regression that Jan pointed out.
The bug is that some names were allocated by dwarf2read on the objfile
obstack, but then passed to SYMBOL_SET_NAMES with copy_name=0. This
violates the invariant that the names must have a lifetime tied to the
lifetime of the BFD.
The fix is to allocate names on the per-BFD obstack.
I looked at all callers, direct or indirect, of SYMBOL_SET_NAMES that
pass copy_name=0. Note that only the ELF and DWARF readers do this;
other symbol readers were never updated (and perhaps cannot be,
depending on the details of the formats). This is why the patch is
relatively small.
Built and regtested on x86-64 Fedora 20.
2014-06-26 Tom Tromey <tromey@redhat.com>
PR symtab/16902:
* dwarf2read.c (fixup_go_packaging, dwarf2_compute_name)
(dwarf2_physname, read_partial_die)
(guess_partial_die_structure_name, fixup_partial_die)
(guess_full_die_structure_name, anonymous_struct_prefix)
(dwarf2_name): Use per-BFD obstack.
Erik Akermann [Thu, 26 Jun 2014 13:10:48 +0000 (14:10 +0100)]
This adds the ability to the strings program to display strings that contain \n and \r characters.
* strings.c: Add -w/--include-all-whitespace option to include any
whitespace character in the displayed strings.
* NEWS: Mention the new feature.
* doc/binutils.texi (strings): Document the new command line
option.
Philippe De Muyter [Thu, 26 Jun 2014 12:18:04 +0000 (13:18 +0100)]
Fix a compile time warning on 32-bit hosts.
* or1k-desc.h (spr_field_masks): Add U suffix to the end of long
constants.
Linda Zhang [Thu, 26 Jun 2014 11:18:39 +0000 (12:18 +0100)]
Change the default behaviour of the PE targeted linker so that timestamps are
inserted. This is for compatibility with other, non-GNU tools. Deterministic
binaries can still be created by using the new --no-insert-timestamp command line
option.
* emultempl/pe.em: Initialise insert_timestamp to true.
Add a --no-insert-timestamp command line option.
* emultempl/pep.em: Likewise.
* ld.texinfo: Document that --insert-timestamp is enabled by
default and that it now has an inverse command line option.
* NEWS: Mention the new behaviour.
Nick Clifton [Thu, 26 Jun 2014 08:32:25 +0000 (09:32 +0100)]
Fixes part of a problem reading deliberately non-conforming ELF binaries - where a
note segment is present but no note section.
* readelf.c (process_note_sections): If there are no note sections
try processing note segments instead.
Yao Qi [Tue, 24 Jun 2014 13:47:14 +0000 (21:47 +0800)]
Move local variables to inner block
dummy_frame_sniffer has two local variables dummyframe and this_id,
but they are only used in the if block below. This patch is to move
them into the inner block.
gdb:
2014-06-26 Yao Qi <yao@codesourcery.com>
* dummy-frame.c (dummy_frame_sniffer): Move local variables
dummyframe and this_id into inner block below.
Nick Clifton [Thu, 26 Jun 2014 08:12:55 +0000 (09:12 +0100)]
Fixes a problem displaying the contents of a binary containing corrupt debug
information, specifically a DW_AT_MIPS_linkage_name attribute that has a numeric
value rather than a string value.
PR binutils/16949
* dwarf2.c (is_str_attr): New function.
(find_abstract_instance_name): Use it to determine when an
attribute has a string value.
Yao Qi [Thu, 26 Jun 2014 06:25:22 +0000 (14:25 +0800)]
Typo fix in signal_pass initialization
When I read the code, I happen to see this:
signal_pass = (unsigned char *)
xmalloc (sizeof (signal_program[0]) * numsigs);
^^^^^^^^^^^^^^
It is a typo, and this patch is to fix it.
gdb:
2014-06-26 Yao Qi <yao@codesourcery.com>
* infrun.c (_initialize_infrun): Replace "signal_program[0]"
with "signal_pass[0]" in the initialization of signal_pass.
Alan Modra [Thu, 26 Jun 2014 00:00:37 +0000 (09:30 +0930)]
daily update
Nick Clifton [Wed, 25 Jun 2014 15:35:58 +0000 (16:35 +0100)]
Fixes to allow a toolchain configured with --enable-all to build on a 32-bit host.
* Makefile.am (ALL_EMULATION_SOURCES): Move ei386pep.c from
here...
(ALL_64_EMULATION_SOURCES): ... to here.
(ALL_EMUL_EXTRA_OFILES): Move pep-dll.o from here...
(ALL_64_EMUL_EXTRA_OFILES): New. ... to here.
* configure.in (EMUL_EXTRA_OFILES): Include
ALL_64_EMUL_EXTRA_OFILES when making a 64-bit enabled build.
* Makefile.in: Regenerate.
* configure: Regenerate.
Kyle McMartin [Wed, 25 Jun 2014 14:57:45 +0000 (10:57 -0400)]
ld/arm: adjust offsets in tls-gdierelax2.d
Addition of DF_STATIC_TLS in
eea6dad2 results in the addition of
flags to the dynamic section, which in turn changes these addresses.
Fix them up to match their new positions.
ld/testsuite/Changelog:
2014-06-24 Kyle McMartin <kyle@redhat.com>
* ld-arm/tls-gdierelax2.d: Fix expected offsets.
Markus Metzger [Tue, 20 May 2014 13:53:44 +0000 (15:53 +0200)]
btrace: pretend we're not replaying when generating a core file
When generating a core file using the "generate-core-file" command while
replaying with the btrace record target, we won't be able to access all
registers and all memory. This leads to the following assertion:
gdb/regcache.c:1034: internal-error: regcache_raw_supply: Assertion `regnum >= 0 && regnum < regcache->descr->nr_raw_registers' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) FAIL: gdb.btrace/gcore.exp: generate-core-file core (GDB internal error)
Resyncing due to internal error.
Pretend that we are not replaying while generating a core file. This will
forward fetch and store registers as well as xfer memory calls to the target
beneath.
gdb/
* record-btrace.c (record_btrace_generating_corefile)
(record_btrace_prepare_to_generate_core)
(record_btrace_done_generating_core): New.
(record_btrace_xfer_partial, record_btrace_fetch_registers)
(record_btrace_store_registers, record_btrace_prepare_to_store):
Forward request when generating a core file.
(record_btrace_open): Set record_btrace_generating_corefile to zero.
(init_record_btrace_ops): Set to_prepare_to_generate_core and
to_done_generating_core.
testsuite/
* gdb.btrace/gcore.exp: New.
Markus Metzger [Tue, 20 May 2014 13:22:53 +0000 (15:22 +0200)]
gcore, target: allow target to prepare/cleanup for/after core file generation
Add new target functions to_prepare_to_generate_core and
to_done_generating_core that are called before and after generating a core
file, respectively.
This allows targets to prepare for core file generation and to clean up
afterwards.
gdb/
* target.h (target_ops) <to_prepare_to_generate_core>
<to_done_generating_core>: New.
(target_prepare_to_generate_core, target_done_generating_core): New.
* target.c (target_prepare_to_generate_core)
(target_done_generating_core): New.
* target-delegates.c: Regenerate.
* gcore.c: (write_gcore_file): Rename to ...
(write_gcore_file_1): ...this.
(write_gcore_file): Call target_prepare_to_generate_core
and target_done_generating_core.
Markus Metzger [Thu, 22 May 2014 06:47:42 +0000 (08:47 +0200)]
make_corefile_notes: have caller free returned memory
The various make_corefile_notes implementations for gdbarch as well as target
currently make an xfree cleanup on the data they return. This causes problems
when trying to put a TRY_CATCH around the make_corefile_notes call.
Specifically, we get a stale cleanup error in restore_my_cleanups.
Omit the make_cleanup and have the caller free the memory.
gdb/
* fbsd-nat.c (fbsd_make_corefile_notes): Remove make_cleanup call.
* gcore.c (write_gcore_file): Free memory returned from
make_corefile_notes.
* linux-tdep.c (linux_make_corefile_notes): Remove make_cleanup call.
* procfs.c (procfs_make_note_section): Remove make_cleanup call.
Alan Modra [Wed, 25 Jun 2014 00:00:37 +0000 (09:30 +0930)]
daily update
Cary Coutant [Tue, 24 Jun 2014 19:17:09 +0000 (12:17 -0700)]
Fix dwp to allow intermediate .dwp files with no .debug_types sections.
gold/
* dwp.cc (Dwo_file::read): Allow files with no .debug_types
sections.
(Dwo_file::sized_read_unit_index): Likewise.
Eli Zaretskii [Tue, 24 Jun 2014 16:28:40 +0000 (19:28 +0300)]
Minor improvements in manual indexing.
* doc/gdb.texinfo (Screen Size): Add more index entries.
Alan Modra [Tue, 24 Jun 2014 03:53:04 +0000 (13:23 +0930)]
Don't strip section defining _SDA_BASE_
Prior to
93d1b056 _SDA_BASE_ used to be defined in a linker script
output section. Now _SDA_BASE_ is defined in an input section that is
subject to being stripped. If the section is stripped we don't output
the symbol, which results in --emit-relocs trying to emit relocs with
dangling references to _SDA_BASE_.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Arrange to keep
.sdata/.sdata2 when _SDA_BASE_/_SDA2_BASE_ should be output
for --emit-relocs.
Yao Qi [Fri, 30 May 2014 08:08:10 +0000 (16:08 +0800)]
Skip 'bx reg' on arm-linux
In arm-tdep.c, arm_skip_stub is installed to gdbarch
skip_trampoline_code, but in arm-linux-tdep.c,
find_solib_trampoline_target is installed to skip_trampoline_code.
That means gdb configured for arm-linux target doesn't recognize some
arm specific trampolines or stubs. Beside handling generic solib
trampoline, gdb for arm-linux target should be able to handle arm
specific trampolines. This patch is to skip arm specific stubs, if
any, and as a fallback, skip the generic solib trampoline.
gdb:
2014-06-24 Yao Qi <yao@codesourcery.com>
* arm-linux-tdep.c (arm_linux_skip_trampoline_code): New.
(arm_linux_init_abi): Set skip_trampoline_code with
gdbarch_skip_trampoline_code instead of
find_solib_trampoline_target.
Yao Qi [Fri, 30 May 2014 08:06:32 +0000 (16:06 +0800)]
Apply stub unwinder to 'bx reg' trampoline
In target arm-none-eabi, prologue unwinder is used for trampoline
'bx reg'. However, in target arm-linux, exidx unwinder is selected for
trampoline at first, which is not expected. The main function and the
trampoline is,
0x00009dfc <main+0>: push {r4, r5, r6, r7, lr}
......
0x0000ac30 <main+3636>: ldrdeq r3, [r1], -r8
0x0000ac34: bx r2
0x0000ac36: bx r4
and .ARM.exidx is:
0x9dfc <main>: @0xb404
Compact model index: 1
0x97 vsp = r7
0x20 vsp = vsp + 132
0x3f vsp = vsp + 256
0x80 0xf0 pop {r8, r9, r10, r11}
0xab pop {r4, r5, r6, r7, r14}
0xac38 <__aeabi_drsub>: 0x1 [cantunwind]
Trampolines 'bx r2' and 'bx r4' doesn't belong to main, but the exidx
for main is still selected form them because there is no end address
of each exidx entry.
Instead of teaching exidx unwinder ignore this trampoline (which looks
complicated and error prone), I decide to let stub unwinder to handle
trampoline, because stub undwinder is installed before exidx unwinder,
and this trampoline can be regarded as a stub too.
This patch is to add the code to match 'bx reg' trampoline in the
sniffer of stub unwinder.
gdb:
2014-06-24 Yao Qi <yao@codesourcery.com>
* arm-tdep.c (arm_stub_unwind_sniffer): Return 1 if
arm_skip_bx_reg returns non-zero.
Yao Qi [Fri, 30 May 2014 07:51:45 +0000 (15:51 +0800)]
Skip 'bx reg' trampoline on arm-none-eabi
After this patch
<https://gcc.gnu.org/ml/gcc-patches/2005-01/msg00813.html> applied to
GCC, a new trampoline is generated but GDB doesn't recognize it. This
patch is to teach GDB to understand this trampoline. See details
about this trampoline and the heuristics in the comments.
gdb:
2014-06-24 Yao Qi <yao@codesourcery.com>
* arm-tdep.c (arm_skip_bx_reg): New function.
(arm_skip_stub): Call arm_skip_bx_reg.
Alan Modra [Tue, 24 Jun 2014 00:01:18 +0000 (09:31 +0930)]
daily update
Sasa Stankovic [Mon, 23 Jun 2014 18:52:34 +0000 (11:52 -0700)]
gold/
* mips.cc: New file.
* Makefile.am (TARGETSOURCES): Add mips.cc
(ALL_TARGETOBJS): Add mips.$(OBJEXT)
* configure.tgt: Add entries for mips*.
* configure.ac: Likewise.
* Makefile.in: Regenerate.
* configure: Likewise.
Don Breazeal [Mon, 23 Jun 2014 18:24:43 +0000 (11:24 -0700)]
Add myself as write-after-approval maintainer.
Pedro Alves [Mon, 23 Jun 2014 15:44:04 +0000 (16:44 +0100)]
x86 Linux watchpoints: Couldn't write debug register: Invalid argument.
This patch fixes this on x86 Linux:
(gdb) watch *buf@2
Hardware watchpoint 8: *buf@2
(gdb) si
0x00000000004005a7 34 for (i = 0; i < 100000; i++); /* stepi line */
(gdb) del
Delete all breakpoints? (y or n) y
(gdb) watch *(buf+1)@1
Hardware watchpoint 9: *(buf+1)@1
(gdb) si
0x00000000004005a7 in main () at ../../../src/gdb/testsuite/gdb.base/watchpoint-reuse-slot.c:34
34 for (i = 0; i < 100000; i++); /* stepi line */
Couldn't write debug register: Invalid argument.
(gdb)
In the example above the debug registers are being switched from this
state:
CONTROL (DR7):
0000000000050101 STATUS (DR6):
0000000000000000
DR0: addr=0x0000000000601040, ref.count=1 DR1: addr=0x0000000000000000, ref.count=0
DR2: addr=0x0000000000000000, ref.count=0 DR3: addr=0x0000000000000000, ref.count=0
to this:
CONTROL (DR7):
0000000000010101 STATUS (DR6):
0000000000000000
DR0: addr=0x0000000000601041, ref.count=1 DR1: addr=0x0000000000000000, ref.count=0
DR2: addr=0x0000000000000000, ref.count=0 DR3: addr=0x0000000000000000, ref.count=0
That is, before, DR7 was setup for watching a 2 byte region starting
at what's in DR0 (0x601040).
And after, DR7 is setup for watching a 1 byte region starting at
what's in DR0 (0x601041).
We always write DR0..DR3 before DR7, because if we enable a slot's
bits in DR7, you need to have already written the corresponding
DR0..DR3 registers -- the kernel rejects the DR7 write with EINVAL
otherwise.
The error shown above is the opposite scenario. When we try to write
0x601041 to DR0, DR7's bits still indicate intent of watching a 2-byte
region. That DR0/DR7 combination is invalid, because 0x601041 is
unaligned. To watch two bytes, we'd have to use two slots. So the
kernel errors out with EINVAL.
Fix this by always first clearing DR7, then writing DR0..DR3, and then
setting DR7's bits.
A little optimization -- if we're disabling the last watchpoint, then
we can clear DR7 just once. The changes to nat/i386-dregs.c make that
easier to detect, and as bonus, they make it a little easier to make
sense of DR7 in the debug logs, as we no longer need to remember we're
seeing stale bits.
Tested on x86_64 Fedora 20, native and GDBserver.
This adds an exhaustive test that switches between many different
combinations of watchpoint types and addresses and widths.
gdb/
2014-06-23 Pedro Alves <palves@redhat.com>
* amd64-linux-nat.c (amd64_linux_prepare_to_resume): Clear
DR_CONTROL before setting DR0..DR3.
* i386-linux-nat.c (i386_linux_prepare_to_resume): Likewise.
* nat/i386-dregs.c (i386_remove_aligned_watchpoint): Clear all
bits of DR_CONTROL related to the debug register slot being
disabled. If all slots are vacant, clear local slowdown as well,
and assert DR_CONTROL is 0.
gdb/gdbserver/
2014-06-23 Pedro Alves <palves@redhat.com>
* linux-x86-low.c (x86_linux_prepare_to_resume): Clear DR_CONTROL
before setting DR0..DR3.
gdb/testsuite/
2014-06-23 Pedro Alves <palves@redhat.com>
* gdb.base/watchpoint-reuse-slot.c: New file.
* gdb.base/watchpoint-reuse-slot.exp: New file.
Siva Chandra [Wed, 18 Jun 2014 10:46:37 +0000 (03:46 -0700)]
Align behavior of xmethod commands with that of pretty-printer commands.
Currently, the xmethod commands lookup xmethod matchers in the current
progspace even if the locus regular expression matches the progspace's
filename. Pretty printer commands do not match the current progspace's
filename.
gdb/
* python/lib/gdb/command/xmethods.py
(get_method_matchers_in_loci): Lookup xmethod matchers in the
current progspace only if the string "progspace" matches LOCUS_RE.
gdb/testsuite
* gdb.python/py-xmethods.exp: Use "progspace" instead of the
progspace's filename in 'info', 'enable' and 'disable' command
tests.
Jan Kratochvil [Mon, 23 Jun 2014 06:24:36 +0000 (08:24 +0200)]
testsuite: Use istarget and is_lp64_target for 3 testcases.
On x86_64 with -m32 or on i686 it will:
Running ./gdb.arch/amd64-stap-special-operands.exp ...
gdb compile failed, amd64-stap-triplet.c: Assembler messages:
amd64-stap-triplet.c:35: Error: bad register name `%rbp'
amd64-stap-triplet.c:38: Error: bad register name `%rsp'
amd64-stap-triplet.c:40: Error: bad register name `%rbp)'
amd64-stap-triplet.c:41: Error: bad register name `%rsi'
amd64-stap-triplet.c:42: Error: bad register name `%rbp)'
/tmp/ccjOdmpl.s:63: Error: bad register name `%rbp'
2014-06-23 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.arch/amd64-stap-special-operands.exp: Use is_lp64_target.
* gdb.arch/amd64-stap-optional-prefix.exp: Likewise.
* gdb.dwarf2/dw2-error.exp: Use istarget and is_lp64_target.
Message-ID: <
20140622211401.GA3716@host2.jankratochvil.net>
Alan Modra [Mon, 23 Jun 2014 00:00:34 +0000 (09:30 +0930)]
daily update
Alan Modra [Sun, 22 Jun 2014 00:00:37 +0000 (09:30 +0930)]
daily update
Alan Modra [Sat, 21 Jun 2014 00:00:43 +0000 (09:30 +0930)]
daily update
Philippe De Muyter [Fri, 20 Jun 2014 23:46:15 +0000 (09:16 +0930)]
Fix fallout from
6d00b590
* targets.c (_bfd_target_vector): Add missing #ifdef BFD64 for
a number of targets.
Jan Kratochvil [Fri, 20 Jun 2014 15:43:56 +0000 (17:43 +0200)]
Fix --with-system-readline with readline-6.3 patch 5
I have filed now:
--with-system-readline uses bundled readline include files
https://sourceware.org/bugzilla/show_bug.cgi?id=17077
To see any effect of the patch below you have to do:
rm -rf readline
Otherwise readline include files get used the bundled ones from GDB which are
currently 6.2 while system readline may be 6.3 already.
You also have to use system readline-6.3 including its upstream patch:
[Bug-readline] Readline-6.3 Official Patch 5
http://lists.gnu.org/archive/html/bug-readline/2014-04/msg00018.html
Message-ID: <
140415125618.
AA57598.SM@caleb.ins.cwru.edu>
In short it happens on Fedora Rawhide since:
readline-6.3-1.fc21
https://koji.fedoraproject.org/koji/buildinfo?buildID=538941
The error is:
../../gdb/tui/tui-io.c:132:1: error: 'Function' is deprecated [-Werror=deprecated-declarations]
static Function *tui_old_rl_getc_function;
^
../../gdb/tui/tui-io.c:133:1: error: 'VFunction' is deprecated [-Werror=deprecated-declarations]
static VFunction *tui_old_rl_redisplay_function;
^
../../gdb/tui/tui-io.c:134:1: error: 'VFunction' is deprecated [-Werror=deprecated-declarations]
static VFunction *tui_old_rl_prep_terminal;
^
../../gdb/tui/tui-io.c:135:1: error: 'VFunction' is deprecated [-Werror=deprecated-declarations]
static VFunction *tui_old_rl_deprep_terminal;
^
It is since bash change:
lib/readline/rltypedefs.h
- remove old Function/VFunction/CPFunction/CPPFunction typedefs as
suggested by Tom Tromey <tromey@redhat.com>
The new typedefs used below are present in readline/rltypedefs.h since:
git://git.savannah.gnu.org/bash.git
commit
28ef6c316f1aff914bb95ac09787a3c83c1815fd
Date: Fri Apr 6 19:14:31 2001 +0000
gdb/
2014-06-20 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix --with-system-readline with readline-6.3 patch 5.
* tui/tui-io.c (tui_old_rl_getc_function, tui_old_rl_redisplay_function)
(tui_old_rl_prep_terminal, tui_old_rl_deprep_terminal): Use rl_*_t
types.
Message-ID: <
20140620105004.GA22236@host2.jankratochvil.net>
Tom Tromey [Fri, 13 Jun 2014 19:08:23 +0000 (13:08 -0600)]
make obstack object allocators more type-safe
This changes OBSTACK_ZALLOC and OBSTACK_CALLOC to cast their value to
the correct type. This is more type-safe and also is more in line
with the other object-allocation macros in libiberty.h.
Making this change revealed one trivial error in dwarf2read.c.
On the whole that seems pretty good to me.
Tested by rebuilding.
2014-06-20 Tom Tromey <tromey@redhat.com>
* dwarf2read.c (dw2_get_real_path): Use correct type in
OBSTACK_CALLOC.
* gdb_obstack.h (OBSTACK_ZALLOC, OBSTACK_CALLOC): Cast result.
Gary Benson [Fri, 20 Jun 2014 14:41:28 +0000 (15:41 +0100)]
Fix mingw32 build on x86-64 RHEL 6.5
This commit fixes the mingw32 build on x86-64 RHEL 6.5.
gdb/gdbserver/
2014-06-20 Gary Benson <gbenson@redhat.com>
* configure.ac (AC_REPLACE_FUNCS) <vasprintf, vsnprintf>: Removed.
* configure: Regenerated.
* config.in: Likewise.
Gary Benson [Thu, 19 Jun 2014 13:46:38 +0000 (14:46 +0100)]
Move shared native target specific code to gdb/nat
https://sourceware.org/gdb/wiki/Common describes the following
directory structure:
gdb/nat/
Native target backend files. Code that interfaces with the
host debug API. E.g., ptrace code, Windows debug API code,
procfs code should go here.
gdb/target/
Host-independent, target vector specific code (target_ops).
gdb/common/
All other shared code.
This commit moves all native target backend files currently in
gdb/common to gdb/nat.
gdb/
2014-06-20 Gary Benson <gbenson@redhat.com>
* common/gdb_thread_db.h: Moved to nat. All includes updated.
* common/glibc_thread_db.h: Likewise.
* common/i386-cpuid.h: Likewise.
* common/i386-gcc-cpuid.h: Likewise.
* common/linux-btrace.h: Likewise.
* common/linux-osdata.h: Likewise.
* common/linux-procfs.h: Likewise.
* common/linux-ptrace.h: Likewise.
* common/mips-linux-watch.h: Likewise.
* common/linux-btrace.c: Moved to nat.
* common/linux-osdata.c: Likewise.
* common/linux-procfs.c: Likewise.
* common/linux-ptrace.c: Likewise.
* common/mips-linux-watch.c: Likewise.
* nat/gdb_thread_db.h: Moved from common.
* nat/glibc_thread_db.h: Likewise.
* nat/i386-cpuid.h: Likewise.
* nat/i386-gcc-cpuid.h: Likewise.
* nat/linux-btrace.c: Likewise.
* nat/linux-btrace.h: Likewise.
* nat/linux-osdata.c: Likewise.
* nat/linux-osdata.h: Likewise.
* nat/linux-procfs.c: Likewise.
* nat/linux-procfs.h: Likewise.
* nat/linux-ptrace.c: Likewise.
* nat/linux-ptrace.h: Likewise.
* nat/mips-linux-watch.c: Likewise.
* nat/mips-linux-watch.h: Likewise.
* Makefile.in (HFILES_NO_SRCDIR): Reflect new locations.
(object file files): Reordered.
* gdb/copyright.py (EXCLUDE_LIST): Reflect new location
of glibc_thread_db.h.
gdb/gdbserver/
2014-06-20 Gary Benson <gbenson@redhat.com>
* Makefile.in (SFILES): Update locations for files moved
from common to nat.
(object file files): Reordered.
gdb/testsuite/
2014-06-20 Gary Benson <gbenson@redhat.com>
* gdb.arch/i386-avx.exp: Fix include file location.
* gdb.arch/i386-sse.exp: Likewise.
Gary Benson [Thu, 19 Jun 2014 10:55:26 +0000 (11:55 +0100)]
Vectorize gdbserver x86 debug register accessors
This commit makes gdbserver access the x86 debug register accessor
functions via the same function vector as GDB proper. This removes
a chunk of conditional code that was previously in i386-{nat,low}.h
and leaves a single macro as the only GDB/gdbserver difference in
nat/i386-dregs.c.
gdb/
2014-06-20 Gary Benson <gbenson@redhat.com>
* i386-nat.h (debug_hw_points): Moved to nat/i386-dregs.c.
(i386_dr_low_type): Moved to nat/i386-dregs.h.
(i386_dr_low): Likewise.
(i386_dr_low_can_set_addr): Moved to nat/i386-dregs.c.
(i386_dr_low_set_addr): Likewise.
(i386_dr_low_get_addr): Likewise.
(i386_dr_low_can_set_control): Likewise.
(i386_dr_low_set_control): Likewise.
(i386_dr_low_get_control): Likewise.
(i386_dr_low_get_status): Likewise.
(i386_get_debug_register_length): Likewise.
* nat/i386-dregs.h (i386_dr_low_type): Moved from i386-nat.h.
(i386_dr_low): Likewise.
* nat/i386-dregs.c (i386-low.h): Remove include.
(i386-nat.h): Likewise.
(nat/i386-dregs.h): New include.
(i386_dr_low_can_set_addr): Moved from i386-nat.h.
(i386_dr_low_set_addr): Likewise.
(i386_dr_low_get_addr): Likewise.
(i386_dr_low_can_set_control): Likewise.
(i386_dr_low_set_control): Likewise.
(i386_dr_low_get_control): Likewise.
(i386_dr_low_get_status): Likewise.
(i386_get_debug_register_length): Likewise.
(debug_hw_points): Likewise.
gdb/gdbserver/
2014-06-20 Gary Benson <gbenson@redhat.com>
* i386-low.h (i386_dr_low_can_set_addr): Removed.
(i386_dr_low_set_addr): Likewise.
(i386_dr_low_get_addr): Likewise.
(i386_dr_low_can_set_control): Likewise.
(i386_dr_low_set_control): Likewise.
(i386_dr_low_get_control): Likewise.
(i386_dr_low_get_status): Likewise.
(i386_get_debug_register_length): Likewise.
* linux-x86-low.c (i386_dr_low_set_addr):
Changed signature. Made static.
(i386_dr_low_get_addr): Likewise.
(i386_dr_low_set_control): Likewise.
(i386_dr_low_get_control): Likewise.
(i386_dr_low_get_status): Likewise.
(i386_dr_low): New global variable.
* win32-i386-low.c (i386_dr_low_set_addr):
Changed signature. Made static.
(i386_dr_low_get_addr): Likewise.
(i386_dr_low_set_control): Likewise.
(i386_dr_low_get_control): Likewise.
(i386_dr_low_get_status): Likewise.
(i386_dr_low): New global variable.
Marcus Shawcroft [Fri, 20 Jun 2014 10:48:15 +0000 (11:48 +0100)]
Fix gdbserver cross build.
The recent libiberty patch caused issues when cross building
gdbserver. The Makefile ends invoking the build machine's "ar"
instead of the --host version:
ar ./libiberty.a \
./regex.o (...)
ar: illegal option -- .
Usage: ar [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...
ar -M [<mri-script]
The libiberty configure script does probe for and finds an appropriate
AR. However, gdbserver's configure does not probe for AR and
overrides the AR used in the libiberty build by explicitly passing AR
to the sub-builds.
gdb/gdbserver/
2014-06-20 Marcus Shawcroft <marcus.shawcroft@arm.com>
* configure.ac: Invoke. AC_CHECK_TOOL(AR, ar).
* Makefile.in (AR, AR_FLAGS): Define.
* configure: Regenerate.
Kyle McMartin [Fri, 20 Jun 2014 10:14:09 +0000 (11:14 +0100)]
Similarly to the AArch64 patch, set DF_STATIC_TLS for consistency with
other architectures when we emit IE relocs in a shared library.
* elf32-arm.c (elf32_arm_check_relocs): Set DF_STATIC_TLS when
emitting initial-exec relocs when not linking an executable.
Alan Modra [Fri, 20 Jun 2014 00:00:42 +0000 (09:30 +0930)]
daily update
Iain Buclaw [Thu, 19 Jun 2014 18:29:26 +0000 (19:29 +0100)]
Initial pass at D language expression parser support.
gdb/
2014-06-05 Iain Buclaw <ibuclaw@gdcproject.org>
* Makefile.in (SFILES): Add d-exp.y.
(YYFILES): Add d-exp.c.
(YYOBJ): Add d-exp.o.
(local-maintainer-clean): Delete d-exp.c.
* d-exp.y: New file.
* d-lang.h (d_parse): New declaration.
(d_error): New declaration.
* d-lang.c (d_op_print_tab): Add entry for BINOP_CONCAT and BINOP_EXP.
Set BINOP_EQUAL and BINOP_NOTEQUAL to same precedence as other
PREC_ORDER operators.
(d_language_defn): Use d_parse, d_error instead of c_parse, c_error.
gdb/testsuite/
2014-06-05 Iain Buclaw <ibuclaw@gdcproject.org>
* gdb.dlang/expression.exp: New file.
Yao Qi [Wed, 18 Jun 2014 14:03:20 +0000 (22:03 +0800)]
Remove any_running
Function any_running isn't used. This patch is to remove it.
Rebuild GDB for linux and mingw.
gdb:
2014-06-19 Yao Qi <yao@codesourcery.com>
* gdbthread.h (any_running): Remove the declaration.
* thread.c (any_running): Remove.
Yao Qi [Wed, 18 Jun 2014 14:00:54 +0000 (22:00 +0800)]
Use enum thread_state
This patch is to change field state's type to 'enum thread_state', and
replace RUNNING with THREAD_RUNNING and STOPPED with THREAD_STOPPED
respectively in comments.
gdb:
2014-06-19 Yao Qi <yao@codesourcery.com>
* gdbthread.h (struct thread_info) <state>: Change its type to
'enum thread_state'. Update comments.
Pedro Alves [Thu, 19 Jun 2014 10:59:03 +0000 (11:59 +0100)]
Fix next over threaded execl with "set scheduler-locking step".
Running gdb.threads/thread-execl.exp with scheduler-locking set to
"step" reveals a problem:
(gdb) next^M
[Thread 0x7ffff7fda700 (LWP 27168) exited]^M
[New LWP 27168]^M
[Thread 0x7ffff74ee700 (LWP 27174) exited]^M
process 27168 is executing new program: /home/jkratoch/redhat/gdb-clean/gdb/testsuite/gdb.threads/thread-execl^M
[Thread debugging using libthread_db enabled]^M
Using host libthread_db library "/lib64/libthread_db.so.1".^M
infrun.c:5225: internal-error: switch_back_to_stepped_thread: Assertion `!schedlock_applies (1)' failed.^M
A problem internal to GDB has been detected,^M
further debugging may prove unreliable.^M
Quit this debugging session? (y or n) FAIL: gdb.threads/thread-execl.exp: schedlock step: get to main in new image (GDB internal error)
The assertion is correct. The issue is that GDB is mistakenly trying
to switch back to an exited thread, that was previously stepping when
it exited. This is exactly the sort of thing the test wants to make
sure doesn't happen:
# Now set a breakpoint at `main', and step over the execl call. The
# breakpoint at main should be reached. GDB should not try to revert
# back to the old thread from the old image and resume stepping it
We don't see this bug with schedlock off only because a different
sequence of events makes GDB manage to delete the thread instead of
marking it exited.
This particular internal error can be fixed by making the loop over
all threads in switch_back_to_stepped_thread skip exited threads.
But, looking over other ALL_THREADS users, all either can or should be
skipping exited threads too. So for simplicity, this patch replaces
ALL_THREADS with a new macro that skips exited threads itself, and
updates everything to use it.
Tested on x86_64 Fedora 20.
gdb/
2014-06-19 Pedro Alves <palves@redhat.com>
* gdbthread.h (ALL_THREADS): Delete.
(ALL_NON_EXITED_THREADS): New macro.
* btrace.c (btrace_free_objfile): Use ALL_NON_EXITED_THREADS
instead of ALL_THREADS.
* infrun.c (find_thread_needs_step_over)
(switch_back_to_stepped_thread): Use ALL_NON_EXITED_THREADS
instead of ALL_THREADS.
* record-btrace.c (record_btrace_open)
(record_btrace_stop_recording, record_btrace_close)
(record_btrace_is_replaying, record_btrace_resume)
(record_btrace_find_thread_to_move, record_btrace_wait): Likewise.
* remote.c (append_pending_thread_resumptions): Likewise.
* thread.c (thread_apply_all_command): Likewise.
gdb/testsuite/
2014-06-19 Pedro Alves <palves@redhat.com>
* gdb.threads/thread-execl.exp (do_test): New procedure, factored
out from ...
(top level): ... here. Iterate running tests under different
scheduler-locking settings.
Gary Benson [Thu, 19 Jun 2014 09:54:15 +0000 (10:54 +0100)]
Directly call i386-dregs functions
Three target_ops functions in i386-nat.c call other local target_ops
functions. This commit changes those functions to call the functions
in i386-dregs.c directly.
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_stopped_by_watchpoint):
Use i386_dr_stopped_by_watchpoint.
(i386_insert_hw_breakpoint): Use i386_dr_insert_watchpoint.
(i386_remove_hw_breakpoint): Use i386_dr_remove_watchpoint.
Gary Benson [Thu, 19 Jun 2014 09:53:12 +0000 (10:53 +0100)]
Create nat/i386-dregs.c
This commit moves code to be shared from i386-{nat,low}.[ch]
into a new file, nat/i386-dregs.c.
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* nat/i386-dregs.c: New file.
* Makefile.in (i386-dregs.o): New rule.
* config/i386/cygwin.mh (NATDEPFILES): Add i386-dregs.o.
* config/i386/cygwin64.mh (NATDEPFILES): Likewise.
* config/i386/darwin.mh (NATDEPFILES): Likewise.
* config/i386/fbsd.mh (NATDEPFILES): Likewise.
* config/i386/fbsd64.mh (NATDEPFILES): Likewise.
* config/i386/go32.mh (NATDEPFILES): Likewise.
* config/i386/linux.mh (NATDEPFILES): Likewise.
* config/i386/linux64.mh (NATDEPFILES): Likewise.
* config/i386/mingw.mh (NATDEPFILES): Likewise.
* config/i386/mingw64.mh (NATDEPFILES): Likewise.
* i386-nat.h (debug_hw_points): New declaration.
* i386-nat.c (breakpoint.h): Remove include.
(command.h): Likewise.
(target.h): Likewise.
(gdb_assert.h): Likewise.
(debug_hw_points): Made nonstatic.
(debug_printf): Now in i386-dregs.c.
(TARGET_HAS_DR_LEN_8): Likewise.
(DR_CONTROL_SHIFT): Likewise.
(DR_CONTROL_SIZE): Likewise.
(DR_RW_EXECUTE): Likewise.
(DR_RW_WRITE): Likewise.
(DR_RW_READ): Likewise.
(DR_RW_IORW): Likewise.
(DR_LEN_1): Likewise.
(DR_LEN_2): Likewise.
(DR_LEN_4): Likewise.
(DR_LEN_8): Likewise.
(DR_LOCAL_ENABLE_SHIFT): Likewise.
(DR_GLOBAL_ENABLE_SHIFT): Likewise.
(DR_ENABLE_SIZE): Likewise.
(DR_LOCAL_SLOWDOWN): Likewise.
(DR_GLOBAL_SLOWDOWN): Likewise.
(DR_CONTROL_RESERVED): Likewise.
(I386_DR_CONTROL_MASK): Likewise.
(I386_DR_VACANT): Likewise.
(I386_DR_LOCAL_ENABLE): Likewise.
(I386_DR_GLOBAL_ENABLE): Likewise.
(I386_DR_DISABLE): Likewise.
(I386_DR_SET_RW_LEN): Likewise.
(I386_DR_GET_RW_LEN): Likewise.
(I386_DR_WATCH_HIT): Likewise.
(i386_wp_op_t): Likewise.
(i386_show_dr): Likewise.
(i386_length_and_rw_bits): Likewise.
(i386_insert_aligned_watchpoint): Likewise.
(i386_remove_aligned_watchpoint): Likewise.
(i386_handle_nonaligned_watchpoint): Likewise.
(i386_update_inferior_debug_regs): Likewise.
(i386_insert_watchpoint): Use i386_dr_insert_watchpoint.
(i386_remove_watchpoint): Use i386_dr_remove_watchpoint.
(i386_region_ok_for_watchpoint):
Use i386_dr_region_ok_for_watchpoint.
(i386_stopped_data_address): Use i386_dr_stopped_data_address.
gdb/gdbserver/
2014-06-19 Gary Benson <gbenson@redhat.com>
* Makefile.in (i386-dregs.o): New rule.
* configure.srv: Add i386-dregs.o to all targets using i386-low.o.
* i386-low.c (target.h): Remove include.
(TARGET_HAS_DR_LEN_8): Now in i386-dregs.c.
(DR_CONTROL_SHIFT): Likewise.
(DR_CONTROL_SIZE): Likewise.
(DR_RW_EXECUTE): Likewise.
(DR_RW_WRITE): Likewise.
(DR_RW_READ): Likewise.
(DR_RW_IORW): Likewise.
(DR_LEN_1): Likewise.
(DR_LEN_2): Likewise.
(DR_LEN_4): Likewise.
(DR_LEN_8): Likewise.
(DR_LOCAL_ENABLE_SHIFT): Likewise.
(DR_GLOBAL_ENABLE_SHIFT): Likewise.
(DR_ENABLE_SIZE): Likewise.
(DR_LOCAL_SLOWDOWN): Likewise.
(DR_GLOBAL_SLOWDOWN): Likewise.
(DR_CONTROL_RESERVED): Likewise.
(I386_DR_CONTROL_MASK): Likewise.
(I386_DR_VACANT): Likewise.
(I386_DR_LOCAL_ENABLE): Likewise.
(I386_DR_GLOBAL_ENABLE): Likewise.
(I386_DR_DISABLE): Likewise.
(I386_DR_SET_RW_LEN): Likewise.
(I386_DR_GET_RW_LEN): Likewise.
(I386_DR_WATCH_HIT): Likewise.
(i386_wp_op_t): Likewise.
(i386_show_dr): Likewise.
(i386_length_and_rw_bits): Likewise.
(i386_insert_aligned_watchpoint): Likewise.
(i386_remove_aligned_watchpoint): Likewise.
(i386_handle_nonaligned_watchpoint): Likewise.
i386_update_inferior_debug_regs(): Likewise.
(i386_dr_insert_watchpoint): Likewise.
(i386_dr_remove_watchpoint): Likewise.
(i386_dr_region_ok_for_watchpoint): Likewise.
(i386_dr_stopped_data_address): Likewise.
(i386_dr_stopped_by_watchpoint): Likewise.
Gary Benson [Thu, 19 Jun 2014 09:50:20 +0000 (10:50 +0100)]
Refactor i386_{insert,remove}_hw_breakpoint
This commit refactors i386_{insert,remove}_hw_breakpoint
to call i386_{insert,remove}_watchpoint rather than
duplicating functionality.
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_insert_hw_breakpoint): Use
i386_insert_watchpoint.
(i386_remove_hw_breakpoint): Use i386_remove_watchpoint.
Gary Benson [Wed, 18 Jun 2014 14:17:02 +0000 (15:17 +0100)]
Partially revert
4be83cc2b28ea09aa8ff789839e6520df60836f8
The above commit did two things:
1) A number of functions were renamed and made nonstatic.
2) A number of other functions were renamed only.
This commit reverts #1 but not #2. In addition, prototypes for
functions now remade static have been removed from i386-dregs.h.
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_dr_show): Renamed to
i386_show_dr and made static. All uses updated.
(i386_dr_length_and_rw_bits): Renamed to
i386_length_and_rw_bits and made static.
All uses updated.
(i386_dr_insert_aligned_watchpoint): Renamed to
i386_insert_aligned_watchpoint and made static.
All uses updated.
(i386_dr_remove_aligned_watchpoint): Renamed to
i386_remove_aligned_watchpoint and made static.
All uses updated.
(i386_dr_update_inferior_debug_regs): Renamed to
i386_update_inferior_debug_regs and made static.
All uses updated.
* nat/i386-dregs.h (i386_dr_show): Removed.
(i386_dr_length_and_rw_bits): Likewise.
(i386_dr_insert_aligned_watchpoint): Likewise.
(i386_dr_remove_aligned_watchpoint): Likewise.
(i386_dr_update_inferior_debug_regs): Likewise.
gdb/gdbserver/
2014-06-19 Gary Benson <gbenson@redhat.com>
* i386-low.c (i386_dr_show): Renamed to
i386_show_dr and made static. All uses updated.
(i386_dr_length_and_rw_bits): Renamed to
i386_length_and_rw_bits and made static.
All uses updated.
(i386_dr_insert_aligned_watchpoint): Renamed to
i386_insert_aligned_watchpoint and made static.
All uses updated.
(i386_dr_remove_aligned_watchpoint): Renamed to
i386_remove_aligned_watchpoint and made static.
All uses updated.
(i386_dr_update_inferior_debug_regs): Renamed to
i386_update_inferior_debug_regs and made static.
All uses updated.
Gary Benson [Thu, 19 Jun 2014 08:13:57 +0000 (09:13 +0100)]
Demangler crash handler
This commit wraps calls to the demangler with a segmentation fault
handler. The first time a segmentation fault is caught a core file
is generated and the user is prompted to file a bug and offered the
choice to exit or to continue their GDB session. A maintainence
option is provided to allow the user to disable the crash handler
if required.
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* configure.ac [AC_CHECK_FUNCS] <sigaltstack>: New check.
* configure: Regenerate.
* config.in: Likewise.
* main.c (signal.h): New include.
(setup_alternate_signal_stack): New function.
(captured_main): Call the above.
* cp-support.c (signal.h): New include.
(catch_demangler_crashes): New flag.
(SIGJMP_BUF): New define.
(SIGSETJMP): Likewise.
(SIGLONGJMP): Likewise.
(gdb_demangle_jmp_buf): New static global.
(gdb_demangle_attempt_core_dump): Likewise.
(gdb_demangle_signal_handler): New function.
(gdb_demangle): If catch_demangler_crashes is set, install the
above signal handler before calling bfd_demangle, and restore
the original signal handler afterwards. Display the offending
symbol and call demangler_warning the first time a segmentation
fault is caught.
(_initialize_cp_support): New maint set/show command.
gdb/doc/
2014-06-19 Gary Benson <gbenson@redhat.com>
* gdb.texinfo (Maintenance Commands): Document new
"maint set/show catch-demangler-crashes" option.
Gary Benson [Thu, 19 Jun 2014 08:12:26 +0000 (09:12 +0100)]
Refactor and expose core-dumping functionality
This commit exposes the functions that dump core outside utils.c.
can_dump_core gains a new parameter, "limit_kind", to allow either
the soft or hard limit to be checked, and its printing has separated
into the new function warn_cant_dump_core. The new function
can_dump_core_warn does what can_dump_core previously did (print and
warn).
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* utils.h (resource_limit_kind): New enum.
(can_dump_core): New declaration.
(warn_cant_dump_core): Likewise.
(dump_core): Likewise.
* utils.c (dump_core): Made nonstatic. Added new
parameter "limit_kind".
(can_dump_core): Made nonstatic. Moved printing code to...
(warn_cant_dump_core): New function.
(can_dump_core_warn): Likewise.
(internal_vproblem): Replace calls to can_dump_core with
calls to can_dump_core_warn. Supply new argument to each.
Gary Benson [Thu, 19 Jun 2014 08:10:44 +0000 (09:10 +0100)]
Add new internal problem for demangler warnings
This commit adds a new category of internal problem for demangler
warnings. Demangler warnings behave in much the same way as internal
warnings except that they do not create core files and no option to
change this is presented to the user.
gdb/
2014-06-19 Gary Benson <gbenson@redhat.com>
* utils.h (demangler_vwarning): New declaration.
(demangler_warning): Likewise.
* utils.c (struct internal_problem)
<user_settable_should_quit>: New field.
<user_settable_should_dump_core>: Likewise
(internal_error_problem): Add values for above new fields.
(internal_warning_problem): Likewise.
(demangler_warning_problem): New static global.
(demangler_vwarning): New function.
(demangler_warning): Likewise.
(add_internal_problem_command): Selectively add commands.
(_initialize_utils): New internal problem command.
* maint.c (maintenance_demangler_warning): New function.
(_initialize_maint_cmds): New command.
gdb/doc/
2014-06-19 Gary Benson <gbenson@redhat.com>
* gdb.texinfo (Maintenance Commands): Document new
"maint demangler-warning" command and new
"maint set/show demangler-warning" option.
Luis Machado [Thu, 19 Jun 2014 06:07:48 +0000 (07:07 +0100)]
The testcase was generating DW_AT_high_pc and DW_AT_low_pc entries
with type DW_FORM_string, which is wrong.
GDB was using that information to load data as strings, and then
proceeded to use the string pointers as addresses.
Even then, the test was passing just fine, because we were lucky
enough to have the low_pc string pointer smaller than the high_pc
string pointer.
Two issues are fixed. The first one is the DW_FORM_string type. The
second one is adjusting the addresses so that they are non-zero,
since GDB doesn't like seeing 0 in these fields due to a check
contained in dwarf2_get_pc_bounds:
if (low == 0 && !dwarf2_per_objfile->has_section_at_zero)
return 0;
With both fixes, the testcase passes deterministically.
2014-06-19 Luis Machado <lgustavo@codesourcery.com>
* gdb.cp/nsalias.exp: Set type of low_pc and high_pc entries
to DW_FORM_addr and use non-zero addresses.
Alan Modra [Thu, 19 Jun 2014 00:01:16 +0000 (09:31 +0930)]
daily update
DJ Delorie [Wed, 18 Jun 2014 21:16:30 +0000 (17:16 -0400)]
[rx] Make .B suffix optional when possible.
* config/rx-parse.y (BSET, BCLR, BTST, BNOT, BMCMD): Make .B
suffix optional.
Andreas Tobler [Wed, 18 Jun 2014 19:58:19 +0000 (21:58 +0200)]
ld/ARM: Add target arm*b-*-freebsd*, update target arm*-*-freebsd*.
ld/ChangeLog:
2014-06-18 Andreas Tobler <andreast@fgznet.ch>
* configure.tgt (arm*-*-freebsd*): Update targ_extra_emuls.
(arm*b-*-freebsd*): Add target.
* emulparams/armelfb_fbsd.sh: Added.
* emulparams/armelf_fbsd.sh: Updated.
* Makefile.am (ALL_EMULATION_SOURCES): Add earmelfb_fbsd.c.
* Makefile.in: Regenerate.
Tom Tromey [Wed, 11 Jun 2014 14:02:48 +0000 (08:02 -0600)]
make common_block const
This changes general_symbol_info to make "common_block" const.
2014-06-18 Tom Tromey <tromey@redhat.com>
* f-valprint.c (info_common_command_for_block): Update.
* symtab.h (struct general_symbol_info) <common_block>: Now
const.
Tom Tromey [Tue, 10 Jun 2014 19:11:19 +0000 (13:11 -0600)]
constify some blockvector APIs
Generally, the blockvector ought to be readonly. So, this patch makes
the blockvector const in the symtab, and also changes various
blockvector APIs to be const.
This patch has a couple of spots that cast away const. I consider
these to be ok because they occur in mdebugread and are used while
constructing the blockvector. I have added comments at these spots.
2014-06-18 Tom Tromey <tromey@redhat.com>
* symtab.h (struct symtab) <blockvector>: Now const.
* ada-lang.c (ada_add_global_exceptions): Update.
* buildsym.c (augment_type_symtab): Update.
* dwarf2read.c (dw2_lookup_symbol): Update.
* jit.c (finalize_symtab): Update.
* jv-lang.c (add_class_symtab_symbol): Update.
* mdebugread.c (parse_symbol, add_block, sort_blocks, new_symtab):
Update.
* objfiles.c (objfile_relocate1): Update.
* psymtab.c (lookup_symbol_aux_psymtabs)
(maintenance_check_psymtabs): Update.
* python/py-symtab.c (stpy_global_block, stpy_static_block):
Update.
* spu-tdep.c (spu_catch_start): Update.
* symmisc.c (dump_symtab_1): Update.
* symtab.c (lookup_global_symbol_from_objfile)
(lookup_symbol_aux_objfile, lookup_symbol_aux_quick)
(basic_lookup_transparent_type_quick)
(basic_lookup_transparent_type, find_pc_sect_symtab)
(find_pc_sect_line, search_symbols): Update.
* block.c (find_block_in_blockvector): Make "bl" const.
(blockvector_for_pc_sect, blockvector_for_pc): Make return type
const.
(blockvector_contains_pc): Make "bv" const.
(block_for_pc_sect): Update.
* block.h (blockvector_for_pc, blockvector_for_pc_sect)
(blockvector_contains_pc): Update.
* breakpoint.c (resolve_sal_pc): Update.
* inline-frame.c (block_starting_point_at): Update.
Tom Tromey [Mon, 15 Apr 2013 16:22:12 +0000 (10:22 -0600)]
constify complete_line
This changes complete_line to take a const parameter.
2014-06-18 Tom Tromey <tromey@redhat.com>
* completer.c (complete_line): Make "line_buffer" const.
* completer.h (complete_line): Update.
Tom Tromey [Thu, 28 Mar 2013 17:09:08 +0000 (11:09 -0600)]
remove unneeded cast in symtab.c
This removes an unneeded const cast from symtab.c:add_macro_name.
2014-06-18 Tom Tromey <tromey@redhat.com>
* symtab.c (add_macro_name): Remove unneeded cast.
Tom Tromey [Wed, 27 Mar 2013 16:35:35 +0000 (10:35 -0600)]
constify parse_cli_boolean_value
This changes a parameter of parse_cli_boolean_value to be const.
2014-06-18 Tom Tromey <tromey@redhat.com>
* cli/cli-setshow.h (parse_cli_boolean_value): Update.
* cli/cli-setshow.c (parse_cli_boolean_value): Make "arg" const.
Tom Tromey [Tue, 10 Jun 2014 17:25:18 +0000 (11:25 -0600)]
constify probe.c function
This constifies an argument to info_probes_for_ops.
2014-06-18 Tom Tromey <tromey@redhat.com>
* probe.c (info_probes_for_ops): Make "arg" const.
* probe.h (info_probes_for_ops): Update.
Tom Tromey [Tue, 12 Mar 2013 15:51:37 +0000 (09:51 -0600)]
constify struct block in some places
This makes some spots in gdb, particularly general_symbol_info, use a
"const struct block", then fixes the fallout.
The justification is that, ordinarily, blocks ought to be readonly.
Note though that we can't add "const" in the blockvector due to block
relocation. This can be done once blocks are made independent of the
program space.
2014-06-18 Tom Tromey <tromey@redhat.com>
* varobj.c (varobj_create): Update.
* valops.c (value_of_this): Update.
* tracepoint.c (add_local_symbols, scope_info): Update.
* symtab.h (struct general_symbol_info) <block>: Now const.
* symtab.c (skip_prologue_sal)
(default_make_symbol_completion_list_break_on)
(skip_prologue_using_sal): Update.
* stack.h (iterate_over_block_locals)
(iterate_over_block_local_vars): Update.
* stack.c (print_frame_args): Update.
(iterate_over_block_locals, iterate_over_block_local_vars): Make
parameter const.
(get_selected_block): Make return type const.
* python/py-frame.c (frapy_block): Update.
* python/py-block.c (gdbpy_block_for_pc): Update.
* p-exp.y (%union) <bval>: Now const.
* mi/mi-cmd-stack.c (list_args_or_locals): Update.
* mdebugread.c (mylookup_symbol, parse_procedure): Update.
* m2-exp.y (%union) <bval>: Now const.
* linespec.c (get_current_search_block): Make return type const.
(create_sals_line_offset, find_label_symbols): Update.
* inline-frame.c (inline_frame_sniffer, skip_inline_frames):
Update.
(block_starting_point_at): Make "block" const.
* infrun.c (insert_exception_resume_breakpoint): Make "b" const.
(check_exception_resume): Update.
* guile/scm-frame.c (gdbscm_frame_block): Update.
* guile/scm-block.c (gdbscm_lookup_block): Update.
* frame.h (get_frame_block): Update.
(get_selected_block): Make return type const.
* frame.c (frame_id_inner): Update.
* f-valprint.c (info_common_command_for_block)
(info_common_command): Update.
* dwarf2loc.c (dwarf2_find_location_expression)
(dwarf_expr_frame_base, dwarf2_compile_expr_to_ax)
(locexpr_describe_location_piece): Update.
* c-exp.y (%union) <bval>: Now const.
* breakpoint.c (resolve_sal_pc): Update.
* blockframe.c (get_frame_block):Make return type const.
(get_pc_function_start, get_frame_function, find_pc_sect_function)
(block_innermost_frame): Update.
* block.h (blockvector_for_pc, blockvector_for_pc_sect)
(block_for_pc, block_for_pc_sect): Update.
* block.c (blockvector_for_pc_sect, blockvector_for_pc): Make
'pblock' const.
(block_for_pc_sect, block_for_pc): Make return type const.
* ax-gdb.c (gen_expr): Update.
* alpha-mdebug-tdep.c (find_proc_desc): Update.
* ada-lang.c (ada_read_renaming_var_value): Make 'block' const.
(ada_make_symbol_completion_list, ada_add_exceptions_from_frame)
(ada_read_var_value): Update.
* ada-exp.y (struct name_info) <block>: Now const.
(%union): Likewise.
(block_lookup): Constify.
Siva Chandra [Thu, 5 Jun 2014 14:03:56 +0000 (07:03 -0700)]
Make xmethods tests not to depend on inferior IO.
gdb/testsuite/
PR gdb/17017
* gdb.python/py-xmethods.cc: Add global function call counters and
increment them in their respective functions. Remove "cout"
statements.
* gdb.python/py-xmethods.exp: Make tests check the global function
call counters instead of depending on inferior IO.
Gary Benson [Mon, 16 Jun 2014 14:19:21 +0000 (15:19 +0100)]
Move macros from i386-{nat,low}.c to i386-{nat,low}.h
This commit moves macros required by the soon-to-be-created
nat/i386-dregs.c into i386-{nat,low}.h.
Gary Benson [Mon, 16 Jun 2014 11:18:41 +0000 (12:18 +0100)]
Create nat/i386-dregs.h
This commit moves code to be shared from i386-{nat,low}.[ch]
into a new file, nat/i386-dregs.h.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* nat/i386-dregs.h: New file.
* Makefile.in (HFILES_NO_SRCDIR): Add the above.
* i386-nat.h (i386-dregs.h): New include.
(DR_FIRSTADDR): Now in i386-dregs.h.
(DR_LASTADDR): Likewise.
(DR_NADDR): Likewise.
(DR_STATUS): Likewise.
(DR_CONTROL): Likewise.
(i386_debug_reg_state): Likewise.
* i386-nat.c (ALL_DEBUG_REGISTERS): Likewise.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.h (i386-dregs.h): New include.
(DR_FIRSTADDR): Now in i386-dregs.h.
(DR_LASTADDR): Likewise.
(DR_NADDR): Likewise.
(DR_STATUS): Likewise.
(DR_CONTROL): Likewise.
(i386_debug_reg_state): Likewise.
(i386_dr_insert_watchpoint): Likewise.
(i386_dr_remove_watchpoint): Likewise.
(i386_dr_region_ok_for_watchpoint): Likewise.
(i386_dr_stopped_data_address): Likewise.
(i386_dr_stopped_by_watchpoint): Likewise.
* i386-low.c (ALL_DEBUG_REGISTERS): Likewise.
Luis Machado [Wed, 18 Jun 2014 09:25:47 +0000 (10:25 +0100)]
Symptom:
Using the test program gdb.base/foll-fork.c, with follow-fork-mode set to
"child" and detach-on-fork set to "off", stepping or running past the fork
call results in the child process running to completion, when it should
just finish the single step. In addition, the breakpoint is not removed
from the parent process, so if it is resumed it receives a SIGTRAP.
Cause:
No matter what the setting for detach-on-fork, when stepping past a fork,
the single-step breakpoint (step_resume_breakpoint) is not handled
correctly in the parent. The SR breakpoint is cloned for the child
process, but before the clone is associated with the child it is treated as
a duplicate of the original, associated wth the parent. This results in
the insertion state of the original SR breakpoint and the clone being
"swapped" by breakpoint.c:update_global_location_list, so that the clone is
marked as inserted.
In the case where the parent is not detached, the two breakpoints remain in
that state. The breakpoint is never inserted in the child, because
although the cloned SR breakpoint is associated with the child, it is
marked as inserted. When the child is resumed, it runs to completion. The
breakpoint is never removed from the parent, so that if it is resumed after
the child exits, it gets a SIGTRAP.
Here is the sequence of events:
1) handle_inferior_event: FORK event is recognized.
2) handle_inferior_event: detach_breakpoints removes all breakpoints
from the child.
3) follow_fork: the parent SR breakpoint is cloned. Part of this procedure
is to call update_global_location_list, which swaps the insertion state of
the original and cloned SR breakpoints as part of ensuring that duplicate
breakpoints are only inserted once. At this point the original SR
breakpoint is not marked as inserted, and the clone is. The breakpoint is
actually inserted in the parent but not the child.
4) follow_fork: the original breakpoint is deleted by calling
delete_step_resume_breakpoint. Since the original is not marked as
inserted, the actual breakpoint remains in the parent process.
update_global_location_list is called again as part of the deletion. The
clone is still associated with the parent, but since it is marked as
enabled and inserted, the breakpoint is left in the parent.
5) follow_fork: if detach-on-fork is 'on', the actual breakpoint will be
removed from the parent in target_detach, based on the cloned breakpoint
still associated with the parent. Then the clone is no longer marked as
inserted. In follow_inferior_reset_breakpoints the clone is associated
with the child, and can be inserted.
If detach-on-fork is 'off', the actual breakpoint in the parent is never
removed (although the breakpoint had been deleted from the list). Since
the clone continues to be marked 'inserted', the SR breakpoint is never
inserted in the child.
Fix:
Set the cloned breakpoint as disabled from the moment it is created. This
is done by modifying clone_momentary_breakpoint to take an additional
argument, LOC_ENABLED, which is used as the value of the
bp_location->enabled member. The clone must be disabled at that point
because clone_momentary_breakpoint calls update_global_location_list, which
will swap treat the clone as a duplicate of the original breakpoint if it
is enabled.
All the calls to clone_momentary_breakpoint had to be modified to pass '1'
or '0'. I looked at implementing an enum for the enabled member, but
concluded that readability would suffer because there are so many places it
is used as a boolean, e.g. "if (bl->enabled)".
In follow_inferior_reset_breakpoints the clone is set to enabled once it
has been associated with the child process. With this, the bp_location
'inserted' member is maintained correctly throughout the follow-fork
procedure and the behavior is as expected.
The same treatment is given to the exception_resume_breakpoint when
following a fork.
Testing:
Ran 'make check' on Linux x64.
Along with the fix above, the coverage of the follow-fork test
gdb.base/foll-fork.exp was expanded to:
1) cover all the combinations of values for
follow-fork-mode and detach-on-fork
2) make sure that both user breakpoints and
single-step breakpoints are propagated
correctly to the child
3) check that the inferior list has the
expected contents after following the fork.
4) check that unfollowed, undetached inferiors
can be resumed.
gdb/
2014-06-18 Don Breazeal <donb@codesourcery.com>
* breakpoint.c (set_longjmp_breakpoint): Call
momentary_breakpoint_from_master with additional argument.
(set_longjmp_breakpoint_for_call_dummy): Call
momentary_breakpoint_from_master with additional argument.
(set_std_terminate_breakpoint): Call
momentary_breakpoint_from_master with additional argument.
(momentary_breakpoint_from_master): Add argument to function
definition and use it to initialize structure member flag.
(clone_momentary_breakpoint): Call
momentary_breakpoint_from_master with additional argument.
* infrun.c (follow_inferior_reset_breakpoints): Clear structure
member flags set in momentary_breakpoint_from_master.
gdb/testsuite/
2014-06-18 Don Breazeal <donb@codesourcery.com>
* gdb.base/foll-fork.exp (default_fork_parent_follow):
Deleted procedure.
(explicit_fork_parent_follow): Deleted procedure.
(explicit_fork_child_follow): Deleted procedure.
(test_follow_fork): New procedure.
(do_fork_tests): Replace calls to deleted procedures with
calls to test_follow_fork and reset GDB for subsequent
procedure calls.
Gary Benson [Mon, 16 Jun 2014 10:06:43 +0000 (11:06 +0100)]
Rename functions and make nonstatic as necessary
This commit renames the functions that are to be shared.
Functions to be shared that were static are made nonstatic.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_show_dr): Renamed to
i386_dr_show and made nonstatic. All uses updated.
(i386_length_and_rw_bits): Renamed to
i386_dr_length_and_rw_bits and made nonstatic.
All uses updated.
(i386_insert_aligned_watchpoint): Renamed to
i386_dr_insert_aligned_watchpoint and made nonstatic.
All uses updated.
(i386_remove_aligned_watchpoint): Renamed to
i386_dr_remove_aligned_watchpoint and made nonstatic.
All uses updated.
(i386_update_inferior_debug_regs): Renamed to
i386_dr_update_inferior_debug_regs and made nonstatic.
All uses updated.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.h (i386_low_insert_watchpoint): Renamed to
i386_dr_insert_watchpoint.
(i386_low_remove_watchpoint): Renamed to
i386_dr_remove_watchpoint.
(i386_low_region_ok_for_watchpoint): Renamed to
i386_dr_region_ok_for_watchpoint.
(i386_low_stopped_data_address): Renamed to
i386_dr_stopped_data_address.
(i386_low_stopped_by_watchpoint): Renamed to
i386_dr_stopped_by_watchpoint.
* i386-low.c (i386_show_dr): Renamed to
i386_dr_show and made nonstatic. All uses updated.
(i386_length_and_rw_bits): Renamed to
i386_dr_length_and_rw_bits and made nonstatic.
All uses updated.
(i386_insert_aligned_watchpoint): Renamed to
i386_dr_insert_aligned_watchpoint and made nonstatic.
All uses updated.
(i386_remove_aligned_watchpoint): Renamed to
i386_dr_remove_aligned_watchpoint and made nonstatic.
All uses updated.
(i386_update_inferior_debug_regs): Renamed to
i386_dr_update_inferior_debug_regs and made nonstatic.
All uses updated.
(i386_low_insert_watchpoint): Renamed to
i386_dr_insert_watchpoint. All uses updated.
(i386_low_remove_watchpoint): Renamed to
i386_dr_remove_watchpoint. All uses updated.
(i386_low_region_ok_for_watchpoint): Renamed to
i386_dr_region_ok_for_watchpoint. All uses updated.
(i386_low_stopped_data_address): Renamed to
i386_dr_stopped_data_address. All uses updated.
(i386_low_stopped_by_watchpoint): Renamed to
i386_dr_stopped_by_watchpoint. All uses updated.
Gary Benson [Mon, 16 Jun 2014 14:06:09 +0000 (15:06 +0100)]
Abstract i386_dr_low access
This commit adds macros to abstract access to the i386_dr_low
function vector used by i386-nat.c. The macros are named so
as to match the names of the functions that do the same work
in gdbserver.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_dr_low_can_set_addr): New macro.
(i386_dr_low_can_set_control): Likewise.
(i386_dr_low_set_addr): Likewise.
(i386_dr_low_set_control): Likewise.
(i386_dr_low_get_addr): Likewise.
(i386_dr_low_get_status): Likewise.
(i386_dr_low_get_control): Likewise.
(i386_insert_aligned_watchpoint): Use new macros.
(i386_update_inferior_debug_regs): Likewise.
(i386_stopped_data_address): Likewise.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.c (i386_dr_low_can_set_addr): New macro.
(i386_dr_low_can_set_control): Likewise.
(i386_insert_aligned_watchpoint): New check.
Gary Benson [Thu, 12 Jun 2014 11:01:11 +0000 (12:01 +0100)]
Merge i386_update_inferior_debug_regs
This commit synchronizes the i386_update_inferior_debug_regs functions
in i386-nat.c and i386-low.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_update_inferior_debug_regs) <state>:
New parameter. All uses updated.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.c (i386_update_inferior_debug_regs) <inf_state>:
Renamed to state.
Gary Benson [Wed, 11 Jun 2014 14:30:50 +0000 (15:30 +0100)]
Rename maint_show_dr to debug_hw_points
This commit renames maint_show_dr to debug_hw_points in i386-nat.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (maint_show_dr): Renamed to debug_hw_points.
All uses updated.
Gary Benson [Wed, 11 Jun 2014 14:42:34 +0000 (15:42 +0100)]
Merge error handling
This commit makes all error handling in i386-low.c use internal_error
rather than fatal and error.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.c (i386_length_and_rw_bits): Use internal_error
instead of fatal and error.
(i386_handle_nonaligned_watchpoint): Likewise.
Gary Benson [Tue, 17 Jun 2014 10:32:58 +0000 (11:32 +0100)]
Merge printing code
This commit synchronizes the debug printing code in i386-nat.c and
i386-low.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (debug_printf): New macro.
(i386_get_debug_register_length): Likewise.
(TARGET_HAS_DR_LEN_8): Use above macro.
(i386_show_dr): Use debug_printf instead of puts_unfiltered
and printf_unfiltered. Use phex to format values.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.c (i386_get_debug_register_length): New macro.
(TARGET_HAS_DR_LEN_8): Remove conditional. Use above macro.
(i386_show_dr): Use debug_printf instead of fprintf. Use
phex to format values.
Gary Benson [Tue, 10 Jun 2014 09:44:00 +0000 (10:44 +0100)]
Add a const
This commit adds a const that was in i386-low.c but not in i386-nat.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_handle_nonaligned_watchpoint) <size_try_array>:
Make const.
Gary Benson [Tue, 17 Jun 2014 10:32:26 +0000 (11:32 +0100)]
Comment changes
This commit fixes various comment differences between
i386-nat.[ch] and i386-low.[ch].
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c: Comment changes.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.h: Comment changes.
* i386-low.c: Likewise.
Gary Benson [Mon, 16 Jun 2014 09:47:02 +0000 (10:47 +0100)]
Remove unused macro
This commit removes an unused macro from i386-nat.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (I386_DR_WATCH_MASK): Remove macro.
Gary Benson [Thu, 12 Jun 2014 13:15:58 +0000 (14:15 +0100)]
Remove unnecessary prototypes
This commit removes four unnecessary prototypes from i386-nat.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c (i386_length_and_rw_bits): Remove prototype.
(i386_insert_aligned_watchpoint): Likewise.
(i386_remove_aligned_watchpoint): Likewise.
(i386_handle_nonaligned_watchpoint): Likewise.
Gary Benson [Tue, 17 Jun 2014 12:11:56 +0000 (13:11 +0100)]
Whitespace changes
This commit fixes various whitespace differences between i386-nat.c
and i386-low.c.
gdb/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-nat.c: Whitespace changes.
gdb/gdbserver/
2014-06-18 Gary Benson <gbenson@redhat.com>
* i386-low.c: Whitespace changes.
Samuel Bronson [Wed, 18 Jun 2014 04:26:46 +0000 (00:26 -0400)]
Brown paper bag: left out part of the ChangeLog entry ...
Samuel Bronson [Wed, 18 Jun 2014 04:12:57 +0000 (00:12 -0400)]
* MAINTAINERS: Update Roland McGrath's email address.
Thanks to Sergio Durigan Junior for pointing out that he left
Red Hat a while ago, and giving me a current address.
Alan Modra [Wed, 18 Jun 2014 00:23:09 +0000 (09:53 +0930)]
daily update
Hans-Peter Nilsson [Tue, 17 Jun 2014 22:11:01 +0000 (00:11 +0200)]
GAS: Fix MMIX err-fb-2.s regression caused by recent generic GAS changes.
Tom Tromey [Tue, 17 Jun 2014 18:57:06 +0000 (12:57 -0600)]
remove redundant savestring declaration
I happened to notice that savestring is still declared in utils.h,
despite the fact that it was moved to common/ a while back. This
patch removes the redundant declaration. Tested by rebuilding. I'm
committing this as obvious.
2014-06-17 Tom Tromey <tromey@redhat.com>
* utils.h (savestring): Remove declaration.
Tom Tromey [Tue, 17 Jun 2014 17:43:21 +0000 (11:43 -0600)]
use make_cleanup_freeargv
This replaces a function cast with a call to make_cleanup_freeargv.
I'm checking this in as obvious.
2014-06-17 Tom Tromey <tromey@redhat.com>
* remote.c (extended_remote_run): Use make_cleanup_freeargv.