Matthew Fortune [Thu, 11 Jun 2015 09:16:19 +0000 (10:16 +0100)]
Add support for DT_MIPS_RLD_MAP_REL.
This tag makes it possible to access the debug map when debugging position
independent executables.
bfd/
* elfxx-mips.c (_bfd_mips_elf_create_dynamic_sections): Use executable
instead of !shared to indicate an application vs shared library.
(_bfd_mips_elf_size_dynamic_sections): Likewise.
(_bfd_mips_elf_finish_dynamic_sections): Handle DT_MIPS_RLD_MAP_REL.
(_bfd_mips_elf_get_target_dtag): Likewise.
binutils/
* readelf.c (get_mips_dynamic_type): Handle DT_MIPS_RLD_MAP_REL.
include/
* elf/mips.h (DT_MIPS_RLD_MAP_REL): New macro.
ld/testsuite/
* ld-mips-elf/pic-and-nonpic-3b.ad: Adjust for extra dynamic tag.
* ld-mips-elf/pic-and-nonpic-4b.ad: Likewise.
* ld-mips-elf/pic-and-nonpic-5b.ad: Likewise.
* ld-mips-elf/pic-and-nonpic-6-n32.ad: Likewise.
* ld-mips-elf/pic-and-nonpic-6-n64.ad: Likewise.
* ld-mips-elf/pic-and-nonpic-6-o32.ad: Likewise.
* ld-mips-elf/tlsdyn-o32-1.d: Likewise.
* ld-mips-elf/tlsdyn-o32-1.got: Likewise.
* ld-mips-elf/tlsdyn-o32-2.d: Likewise.
* ld-mips-elf/tlsdyn-o32-2.got: Likewise.
* ld-mips-elf/tlsdyn-o32-3.d: Likewise.
* ld-mips-elf/tlsdyn-o32-3.got: Likewise.
* ld-mips-elf/tlsdyn-o32.d: Likewise.
* ld-mips-elf/tlsdyn-o32.got: Likewise.
* ld-mips-elf/pie-n32.d: New file.
* ld-mips-elf/pie-n64.d: Likewise.
* ld-mips-elf/pie-o32.d: Likewise.
* ld-mips-elf/pie.s: Likewise.
* ld-mips-elf/mips-elf.exp: Add new tests.
GDB Administrator [Fri, 26 Jun 2015 00:00:07 +0000 (00:00 +0000)]
Automatic date update in version.in
DJ Delorie [Thu, 25 Jun 2015 21:20:15 +0000 (17:20 -0400)]
Fix REL handling for MSP430
* elf32-msp430.c (msp430_final_link_relocate): Fix comments. Fix
REL loads to match RELA stores.
H.J. Lu [Thu, 25 Jun 2015 19:12:43 +0000 (12:12 -0700)]
Don't set sh_size for .shstrtab twice
_bfd_elf_assign_file_positions_for_non_load will set the sh_size
field for .shstrtab section. There is need to initialize it in
_bfd_elf_compute_section_file_positions.
* elf.c (_bfd_elf_compute_section_file_positions): Don't
initialize sh_size for .shstrtab here.
Simon Marchi [Thu, 25 Jun 2015 17:33:14 +0000 (13:33 -0400)]
py-prettyprint.exp: Add is_address_zero_readable check
gdb/testsuite/ChangeLog:
* gdb.python/py-prettyprint.exp (run_lang_tests): Add
is_address_zero_readable check.
H.J. Lu [Thu, 25 Jun 2015 17:14:13 +0000 (10:14 -0700)]
Run ld-elf/strtab only on linux/gnu targets
Since not all ELF targets support -shared, we limit ld-elf/strtab to
linux and gnu targets.
* ld-elf/strtab.d: Only run on *-*-linux* and *-*-gnu* targets.
H.J. Lu [Thu, 25 Jun 2015 17:05:10 +0000 (10:05 -0700)]
Update .strtab section sizes in mmix tests
Since commit
ef10c3ace00674e8c3599c3bf95f06c87d68898b may reduce .strtab
section size, we need to adjust expected .strtab section sizes in mmix
tests.
gas/testsuite/
* gas/mmix/loc-3.d: Updated.
* gas/mmix/loc-5.d: Likewise.
ld/testsuite/
* ld-mmix/bspec1.d: Updated.
* ld-mmix/bspec2.d: Likewise.
* ld-mmix/undef-3.d: Likewise.
H.J. Lu [Thu, 25 Jun 2015 15:16:00 +0000 (08:16 -0700)]
Use strtab with GC and suffix merging for .strtab
This patch uses ELF strtab with GC and suffix merging support to create
ELF .strtab section. There is some small memory overhead to use ELF
strtab:
==14928== HEAP SUMMARY:
==14928== in use at exit: 3,276,318 bytes in 679 blocks
==14928== total heap usage: 1,544 allocs, 865 frees, 15,259,146 bytes allocated
vs.
==14936== HEAP SUMMARY:
==14936== in use at exit: 3,276,318 bytes in 679 blocks
==14936== total heap usage: 1,532 allocs, 853 frees, 15,026,402 bytes allocated
when running:
./ld-new -m elf_x86_64 -o tmpdir/ld-partial.o -r ldgram.o ldlex-wrapper.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o plugin.o ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o ldfile.o ldcref.o eelf_x86_64.o eelf32_x86_64.o eelf_i386.o eelf_iamcu.o ei386linux.o eelf_l1om.o eelf_k1om.o ldbuildid.o
The results are
[32] .strtab STRTAB 0+ 3beff8 00407a 00 0 0 1
vs
[32] .strtab STRTAB 0+ 3beff8 0041d8 00 0 0 1
It reduces the .strtab size by 350 bytes, about 2%
Saving on libc.so from glibc is much more since libc.so has many alias
symbols with the same suffix. For x32 glibc,
[82] .strtab STRTAB 0+ 81b348 0159e7 00 0 0 1
vs
[82] .strtab STRTAB 0+ 81b8bc 019e72 00 0 0 1
It reduces the .strtab size by 17547 bytes, about 16%.
bfd/
PR gas/18451
* elf-bfd.h (elf_sym_strtab): New.
(elf_link_hash_table): Add strtabcount, strtabsize and
strtab.
(_bfd_elf_stringtab_init): Removed.
* elf.c (_bfd_elf_stringtab_init): Removed.
(_bfd_elf_compute_section_file_positions): Replace
bfd_strtab_hash/_bfd_elf_stringtab_init/_bfd_stringtab_free/
_bfd_stringtab_size with
elf_strtab_hash/_bfd_elf_strtab_init/_bfd_elf_strtab_free/
_bfd_elf_strtab_size. Use _bfd_elf_strtab_add,
_bfd_elf_strtab_finalize and _bfd_elf_strtab_offset to get
st_name.
(swap_out_syms): Likewise.
* elflink.c (elf_final_link_info): Replace bfd_strtab_hash
with elf_strtab_hash. Remove symbuf, symbuf_count,
symbuf_size and shndxbuf_size.
(elf_link_flush_output_syms): Removed.
(elf_link_output_sym): Renamed to ...
(elf_link_output_symstrtab): This. Replace _bfd_stringtab_add
with _bfd_elf_strtab_add. Don't flush symbols to the file nor
swap out symbols.
(elf_link_swap_symbols_out): New.
(elf_link_output_extsym): Replace elf_link_output_sym with
elf_link_output_symstrtab.
(elf_link_input_bfd): Likewise.
(elf_final_link_free): Replace _bfd_stringtab_free with
_bfd_elf_strtab_free. Remove symbuf.
(bfd_elf_final_link): Replace _bfd_elf_stringtab_init with
_bfd_elf_strtab_init. Don't set symbuf, symbuf_count,
symbuf_size nor shndxbuf_size. Initialize strtabsize and
strtab. Initialize symshndxbuf to -1 when number of sections
>= 64K. Replace elf_link_output_sym/elf_link_output_sym with
elf_link_output_symstrtab/elf_link_output_symstrtab. Don't
call elf_link_flush_output_syms. Call _bfd_elf_strtab_finalize
and elf_link_swap_symbols_out. Replace _bfd_stringtab_size
and _bfd_stringtab_emit with _bfd_elf_strtab_size and
_bfd_elf_strtab_emit.
gas/testsuite/
PR gas/18451
* gas/elf/elf.exp: Run strtab.
* gas/elf/strtab.d: New file.
* gas/elf/strtab.s: Likewise.
ld/testsuite/
PR gas/18451
* ld-elf/strtab.d: New file.
* ld-elf/strtab.s: Likewise.
Gary Benson [Thu, 25 Jun 2015 08:54:12 +0000 (09:54 +0100)]
Correctly notice empty sysroots in solib_find_1
Some parts of solib_find_1 should only operate if the sysroot
is nonempty after processing, but the logic that checked this
happened before trailing slashes were stripped so empty but
non-NULL sysroots were possible. This commit moves the logic
so it correctly notices all empty sysroots.
gdb/ChangeLog:
* solib.c (solib_find_1): Set local variable sysroot to NULL if
it is the empty string after trailing slashes have been stripped.
Gary Benson [Wed, 24 Jun 2015 15:06:49 +0000 (16:06 +0100)]
Remove gdb_sysroot NULL checks
Since
fed040c6a50399617d8265cbddc7fd21b3f134ef gdb_sysroot is
never NULL. This commit removes all gdb_sysroot NULL checks.
gdb/ChangeLog:
* exec.c (exec_file_locate_attach): Remove gdb_sysroot NULL check.
* infrun.c (follow_exec): Likewise.
* remote.c (remote_filesystem_is_local): Likewise.
* solib.c (solib_find_1): Likewise.
GDB Administrator [Thu, 25 Jun 2015 00:00:16 +0000 (00:00 +0000)]
Automatic date update in version.in
H.J. Lu [Wed, 24 Jun 2015 22:27:44 +0000 (15:27 -0700)]
Remove the extra @section .cfi_lsda
Commit
2f0c68f23bb3132cd5ac466ca8775c0d9e4960cd added an extra @section
.cfi_lsda:
@subsection @code{.cfi_lsda @var{encoding} [, @var{exp}]}
+@section @code{.cfi_lsda @var{encoding} [, @var{exp}]}
@code{.cfi_lsda} defines LSDA and its encoding.
It shouldn't be there.
* doc/as.texinfo (.cfi_lsda): Remove the extra @section.
H.J. Lu [Wed, 24 Jun 2015 21:12:15 +0000 (14:12 -0700)]
Silence older GCC warning
* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Silence older
GCC warning.
Keith Seitz [Thu, 4 Jun 2015 17:13:50 +0000 (10:13 -0700)]
Fix lrealpath memory leak in build_id_to_debug_bfd
Valgrind reports memory leaking from build_id_to_debug_bfd:
==7261== 88 bytes in 2 blocks are definitely lost in loss record 31,319 of 35,132
==7261== at 0x4A06BCF: malloc (vg_replace_malloc.c:296)
==7261== by 0x32CA88A9B9: strdup (strdup.c:42)
==7261== by 0xFE62AB: lrealpath (lrealpath.c:88)
==7261== by 0x7F7AD6: build_id_to_debug_bfd (build-id.c:116)
==7261== by 0x7F7BB5: find_separate_debug_file_by_buildid (build-id.c:149)
==7261== by 0x6D9382: elf_symfile_read (elfread.c:1348)
==7261== by 0x777F02: read_symbols (symfile.c:875)
==7261== by 0x778505: syms_from_objfile_1 (symfile.c:1078)
==7261== by 0x778548: syms_from_objfile (symfile.c:1094)
==7261== by 0x778746: symbol_file_add_with_addrs (symfile.c:1191)
==7261== by 0x77893B: symbol_file_add_from_bfd (symfile.c:1280)
==7261== by 0x8E51E3: solib_read_symbols (solib.c:706)
==7261== by 0x8E58AF: solib_add (solib.c:1029)
This occurs because commit
1be5090b in bfd, addressing PR 11983, started
taking a copy of the input filename instead of directly caching it. It
appears that this code was never updated to reflect that API change.
This simple patch creates a cleanup to free the return value for lrealpath.
gdb/ChangeLog
* build-id.c (build_id_to_debug_bfd): Add cleanup to free
return value from lrealpath.
H.J. Lu [Wed, 24 Jun 2015 20:37:05 +0000 (13:37 -0700)]
Keep .plt section and DT_PLTGOT for prelink
Since the .plt section and DT_PLTGOT are used by prelink to undo
prelinking for dynamic relocations, we must keep them even if there is
no PLT relocation. This patch reverted commit
a3747075a.
bfd/
* elf32-i386.c (elf_i386_allocate_dynrelocs): Always allocate
space for the first .plt entry.
(elf_i386_size_dynamic_sections): Always add DT_PLTGOT for .plt
section. Add DT_PLTRELSZ, DT_PLTREL and DT_JMPREL only if
there are PLT relocations.
* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Always
allocate space for the first .plt entry.
(elf_x86_64_size_dynamic_sections): Always add DT_PLTGOT for
.plt section. Add DT_PLTRELSZ, DT_PLTREL and DT_JMPREL only if
there are PLT relocations.
ld/testsuite/
* ld-i386/i386.exp: Run pltgot-2 for Linux targets.
* ld-x86-64/x86-64.exp: Likewise.
* ld-i386/pltgot-1.d: Updated.
* ld-x86-64/pltgot-1.d: Likewise.
* ld-i386/pltgot-2.d: New file.
* ld-x86-64/pltgot-2.d: Likewise.
Iain Buclaw [Wed, 24 Jun 2015 19:43:02 +0000 (21:43 +0200)]
Sync libiberty from GCC, replaying updates to configure scripts
H.J. Lu [Wed, 24 Jun 2015 17:13:55 +0000 (10:13 -0700)]
Don't convert R_X86_64_GOTPCREL if it will overflow
When converting "mov foo@GOTPCREL(%rip), %reg" to "lea foo(%rip), %reg"
with R_X86_64_PC32 relocation, it may overflow if the target section
is more than 2GB away. This patch estimates distance between mov
instruction and the target section. We convert R_X86_64_GOTPCREL to
R_X86_64_PC32 only if their distance is less than 2GB.
PR ld/18591
* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Don't convert
R_X86_64_GOTPCREL to R_X86_64_PC32 if it will cause relocation
overflow.
Mike Frysinger [Wed, 24 Jun 2015 15:09:07 +0000 (22:09 +0700)]
sim: trace: drop unused trace_one_insn
Everyone has migrated to the split functions (trace_prefix + trace_generic)
a while ago, so we can drop this one now.
Mike Frysinger [Wed, 24 Jun 2015 14:59:26 +0000 (21:59 +0700)]
sim: trace: rename debug_printf fully
Rather than redirect using a define, just rename the symbol fully.
Mike Frysinger [Wed, 24 Jun 2015 13:52:21 +0000 (19:37 +0545)]
sim: trace: add a basic cpu register class
The bfin/msp430 ports already had trace logic set up for reading/writing
cpu registers, albeit using different unrelated levels (core & vpu). Add
a proper register class for these and for other ports.
Mike Frysinger [Tue, 23 Jun 2015 19:15:16 +0000 (01:00 +0545)]
sim: trace: add set of system helpers
Some code paths trace on a system instance and not a cpu instance (like
the events code), so add some helpers for those cases.
Mike Frysinger [Wed, 24 Jun 2015 14:23:12 +0000 (21:23 +0700)]
gdb: sim: merge the sysroot update logic together
Initialize the local sysroot fully before we start using it.
This keeps it all a bit simpler.
Mike Frysinger [Wed, 24 Jun 2015 13:21:38 +0000 (19:06 +0545)]
sim: trace: document alu/fpu/vpu trace options better
Make the acronyms clear for people.
Peter Bergner [Wed, 24 Jun 2015 14:15:29 +0000 (09:15 -0500)]
Add missing ChangeLog entries for yesterday's commmit below.
gdb/testsuite/
* gdb.arch/powerpc-power.exp <rfebb>: Fixup test results.
* gdb.arch/powerpc-power.s <rfebb>: Likewise.
Mike Frysinger [Tue, 23 Jun 2015 15:29:39 +0000 (11:29 -0400)]
gdb: sim: handle target sysroot prefix
The default gdb sysroot now sets itself to "target:". This works for
most remote targets, but when using the simulator, this causes problems
as the sim will attempt to search for that path.
Update the remote-sim logic to skip this leading prefix when it is found
so that the sysroot isn't passed in as an invalid value.
Yao Qi [Wed, 24 Jun 2015 13:53:03 +0000 (14:53 +0100)]
Call set_gdbarch_get_siginfo_type in linux_init_abi
linux_get_siginfo_type is installed to many linux gdbarch. This patch
is to move this to a common area linux-tdep.c:linux_init_abi, so that
linux_get_siginfo_type is installed to every linux gdbarch. If some
linux gdbarch needs its own version, please override it in
$ARCH_linux_init_abi. In the testsuite, we enable siginfo related
tests for all linux targets.
gdb:
2015-06-24 Yao Qi <yao.qi@linaro.org>
* aarch64-linux-tdep.c (aarch64_linux_init_abi): Don't call
set_gdbarch_get_siginfo_type.
* amd64-linux-tdep.c (amd64_linux_init_abi_common): Likewise.
* arm-linux-tdep.c (arm_linux_init_abi): Likewise.
* i386-linux-tdep.c (i386_linux_init_abi): Likewise.
* m68klinux-tdep.c (m68k_linux_init_abi): Likewise.
* ppc-linux-tdep.c (ppc_linux_init_abi): Likewise.
* s390-linux-tdep.c (s390_gdbarch_init): Likewise.
* tilegx-linux-tdep.c (tilegx_linux_init_abi): Likewise.
* linux-tdep.c (linux_get_siginfo_type): Change it to static.
(linux_init_abi): Call set_gdbarch_get_siginfo_type.
* linux-tdep.h (linux_get_siginfo_type): Remove the declaration.
gdb/testsuite:
2015-06-24 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (supports_get_siginfo_type): Return 1 for all
linux targets.
Yao Qi [Wed, 24 Jun 2015 13:53:03 +0000 (14:53 +0100)]
New proc supports_get_siginfo_type
Both siginfo-obj.exp and siginfo-thread.exp have the same code
checking the support of geting a type of siginfo for a given arch.
This patch is to move these code into a proc supports_get_siginfo_type.
gdb/testsuite:
2015-06-24 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (supports_get_siginfo_type): New proc.
* gdb.base/siginfo-obj.exp: Invoke supports_get_siginfo_type.
* gdb.base/siginfo-thread.exp: Likewise.
Gary Benson [Wed, 24 Jun 2015 10:59:03 +0000 (11:59 +0100)]
Remove redundant include directives.
stdint.h was added to common-defs.h some months ago and should
no longer be included directly by any file.
gdb_assert.h was added to common-defs.h nearly a year ago, but
three includes have crept in since then.
This commit removes all such redundant include directives.
gdb/ChangeLog:
* common/buffer.c (stdint.h): Do not include.
* common/print-utils.c (stdint.h): Likewise.
* compile/compile-c-symbols.c (gdb_assert.h): Likewise.
* compile/compile-c-types.c (gdb_assert.h): Likewise.
* ft32-tdep.c (gdb_assert.h): Likewise.
* guile/scm-utils.c (stdint.h): Likewise.
* i386-linux-tdep.c (stdint.h): Likewise.
* i386-tdep.c (stdint.h): Likewise.
* nat/linux-btrace.c (stdint.h): Likewise.
* nat/linux-btrace.h (stdint.h): Likewise.
* nat/linux-ptrace.c (stdint.h): Likewise.
* nat/mips-linux-watch.h (stdint.h): Likewise.
* ppc-linux-nat.c (stdint.h): Likewise.
* python/python-internal.h (stdint.h): Likewise.
* stub-termcap.c (stdlib.h): Likewise.
* target/target.h (stdint.h): Likewise.
* xtensa-linux-nat.c (stdint.h): Likewise.
gdb/gdbserver/ChangeLog:
* linux-i386-ipa.c (stdint.h): Do not include.
* lynx-i386-low.c (stdint.h): Likewise.
* lynx-ppc-low.c (stdint.h): Likewise.
* mem-break.c (stdint.h): Likewise.
* thread-db.c (stdint.h): Likewise.
* tracepoint.c (stdint.h): Likewise.
* win32-low.c (stdint.h): Likewise.
GDB Administrator [Wed, 24 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Patrick Palka [Tue, 23 Jun 2015 14:01:38 +0000 (10:01 -0400)]
Fix GDBHISTSIZE test failure on i686
The test
test_histsize_history_setting "
99999999999999999999999999999999999" "unlimited"
was failing on i686 because the condition in init_history() for
determining whether to map a large GDBHISTSIZE value to infinity was
long var = strtol (tmpenv);
if (var > INT_MAX)
history_size = unlimited;
but this condition is never true on i686 because INT_MAX == LONG_MAX.
So in order to properly map large out-of-range values of GDBHISTSIZE to
infinity on targets where LONG_MAX > INT_MAX as well as on i686, we have
to instead change the above condition to
if (var > INT_MAX
|| (var == INT_MAX && errno == ERANGE))
history_size = unlimited;
gdb/ChangeLog:
* top.c (init_history): Look at errno after calling strtol to
properly map large GDBHISTSIZE values to infinity.
Mike Frysinger [Tue, 23 Jun 2015 18:51:06 +0000 (00:36 +0545)]
sim: common: replace SIM_FILTER_PATH with lbasename
This helper macro has largely the same behavior as libiberty's lbasename.
There is a slight nuance related to colons, but it's not clear what the
point of that is, and the code implies that it just wants the basename.
Mike Frysinger [Tue, 23 Jun 2015 17:58:48 +0000 (23:43 +0545)]
sim: use AS_HELP_STRING everywhere
This helps standardize the configure --help output.
Doug Evans [Tue, 23 Jun 2015 18:36:49 +0000 (11:36 -0700)]
inferior.h (struct inferior_suspend_state): Delete, unused.
gdb/ChangeLog:
* inferior.h (struct inferior_suspend_state): Delete, unused.
All references deleted.
Peter Bergner [Tue, 23 Jun 2015 18:33:05 +0000 (13:33 -0500)]
Fix rfebb gdb test cases.
The following patch fixed the assembly / disassembly of the rfebb instruction:
https://sourceware.org/ml/binutils/2015-06/msg00190.html
This patch updates the gdb testsuite to match the new disassembly behavior.
gdb/testsuite/
* gdb.arch/powerpc-power.exp <rfebb>: Fixup test results.
* gdb.arch/powerpc-power.s <rfebb>: Likewise.
Mike Frysinger [Tue, 23 Jun 2015 17:57:29 +0000 (23:42 +0545)]
sim: trace: do not enable internal debug by default
Since --trace-debug is for people hacking on the sim sources rather than
people just using the sim, default it to off. This matches the behavior
of other debug knobs we have.
Mike Frysinger [Tue, 23 Jun 2015 17:54:52 +0000 (23:39 +0545)]
sim: assume recentish compiler/systems
Assume the build system supports stdint.h/stdarg.h as those have been
around long enough and we don't care about pre-stdc compilers anymore.
Mike Frysinger [Sun, 21 Jun 2015 18:13:03 +0000 (14:13 -0400)]
gdb: microblaze: delete useless stubs
These don't accomplish anything the common core doesn't already, so
punt them as they purely waste code.
Yao Qi [Tue, 23 Jun 2015 13:03:11 +0000 (14:03 +0100)]
Convert have_ptrace_getregset to a tri-state boolean
have_ptrace_getregset is a tri-state variable (-1, 0, 1), and we have
some conditions like "if (have_ptrace_getregset)", which is not correct.
I'll explain why it is not correct in the following example. This fix
to this problem to replace the test (have_ptrace_getregset) to test
(have_ptrace_getregset == 1) or (have_ptrace_getregset == -1) etc.
However Doug thinks it hinders readability
https://sourceware.org/ml/gdb-patches/2015-05/msg00692.html so I decide
to add a new enum tribool and change have_ptrace_getregset to it, in
order to make these tests more readable.
have_ptrace_getregset is initialised to -1, and is adjusted to 0 or 1 in
$ARCH_linux_read_description according to the capability of the kernel.
However, it is possible that have_ptrace_getregset is used before it is
set to 0 or 1, which means it is still -1. This is shown below.
(gdb) run
Starting program: gdb/testsuite/gdb.base/break
Breakpoint 2, amd64_linux_fetch_inferior_registers (ops=0xceaa80, regcache=0xe72000, regnum=16) at git/gdb/amd64-linux-nat.c:128
128 {
top?p have_ptrace_getregset
$1 = TRIBOOL_UNKNOWN
top?c
Continuing.
Breakpoint 2, amd64_linux_fetch_inferior_registers (ops=0xceaa80, regcache=0xe72000, regnum=16) at git/gdb/amd64-linux-nat.c:128
128 {
top?c
Continuing.
Breakpoint 1, x86_linux_read_description (ops=0xceaa80) at git/gdb/x86-linux-nat.c:117
117 {
PTRACE_GETREGSET command is used even GDB doesn't know whether
PTRACE_GETREGSET is supported or not. It is wrong, but works on x86.
However it doesn't work on arm-linux if the kernel doesn't support
PTRACE_GETREGSET at all. We'll get:
(gdb) run
Starting program: gdb/testsuite/gdb.base/break
warning: Unable to fetch general register.
PC register is not available
gdb:
2015-06-23 Yao Qi <yao.qi@linaro.org>
* amd64-linux-nat.c (amd64_linux_fetch_inferior_registers):
Check whether have_ptrace_getregset is TRIBOOL_TRUE explicitly.
(amd64_linux_store_inferior_registers): Likewise.
* arm-linux-nat.c (fetch_fpregister): Likewise.
(fetch_fpregs, store_fpregister): Likewise.
(store_fpregister, store_fpregs): Likewise.
(fetch_register, fetch_regs): Likewise.
(store_register, store_regs): Likewise.
(fetch_vfp_regs, store_vfp_regs): Likewise.
(arm_linux_read_description): Check have_ptrace_getregset is
TRIBOOL_UNKNOWN. Set have_ptrace_getregset to TRIBOOL_TRUE
or TRIBOOL_FALSE.
* i386-linux-nat.c (fetch_xstateregs): Check
have_ptrace_getregset is not TRIBOOL_TRUE.
(store_xstateregs): Likewise.
* linux-nat.c (have_ptrace_getregset): Change its type to
enum tribool.
* linux-nat.h (tribool): New enum.
* x86-linux-nat.c (x86_linux_read_description): Use enum tribool.
Check whether have_ptrace_getregset is TRIBOOL_TRUE.
Jiong Wang [Tue, 23 Jun 2015 11:12:06 +0000 (12:12 +0100)]
[AArch64] Generate DT_TEXTREL for relocation against read-only section
2015-06-23 Jiong Wang <jiong.wang@arm.com>
bfd/
* elfnn-aarch64.c (aarch64_readonly_dynrelocs): New function.
(elfNN_aarch64_size_dynamic_sections): Traverse hash table to check
relocations against read-only sections.
ld/testsuite/
* ld-aarch64/dt_textrel.s: New testcase.
* ld-aarch64/dt_textrel.d: New expectation file.
* ld-aarch64/aarch64-elf.exp: Run new testcase.
GDB Administrator [Tue, 23 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Peter Bergner [Mon, 22 Jun 2015 19:55:24 +0000 (14:55 -0500)]
PPC sync instruction accepts invalid and incompatible operands
ISA 2.07 added a new category called Elemental Memory Barriers that modifies
the sync instruction to accept an additional operand ESYNC. Edmar added
support for this insruction varient here:
https://sourceware.org/ml/binutils/2012-02/msg00221.html
Looking at this closer, I see that the insert_ls() function is misnamed
(since it's attached to the ESYNC operand, not the LS operand) but more
importantly, it is silently modifying the LS operand value behind the
users back when the LS operand is either invalid or is incompatible with
the new ESYNC operand. The ISA 2.07 doc has an Assembler Note that clearly
states that assemblers that support the ESYNC operand should report all
invalid uses of LS and ESYNC. This patch changes the assembler to
error out on invalid and incompatible operand usage.
opcodes/
* ppc-opc.c (insert_ls): Test for invalid LS operands.
(insert_esync): New function.
(LS, WC): Use insert_ls.
(ESYNC): Use insert_esync.
gas/testsuite/
* gas/ppc/e6500.s <sync>: Fix invalid test.
* gas/ppc/e6500.d: Likewise.
Nick Clifton [Mon, 22 Jun 2015 15:53:27 +0000 (16:53 +0100)]
Stop "objdump -d" from disassembling past a symbolic address.
include * dis-asm.h (struct disassemble_info): Add stop_vma field.
binuti * objdump.c (disassemble_bytes): Set the stop_vma field in the
disassemble_info structure when disassembling code sections with
-d.
* doc/binutils.texi (objdump): Document the discrepancy between -d
and -D.
opcodes * dis-buf.c (buffer_read_memory): Fail is stop_vma is set and the
requested region lies beyond it.
* bfin-dis.c (print_insn_bfin): Ignore sysop instructions when
looking for 32-bit insns.
* mcore-dis.c (print_insn_mcore): Disable stop_vma when reading
data.
* sh-dis.c (print_insn_sh): Likewise.
* tic6x-dis.c (print_insn_tic6x): Disable stop_vma when reading
blocks of instructions.
* vax-dis.c (print_insn_vax): Check that the requested address
does not clash with the stop_vma.
tests * gas/arm/backslash-at.s: Add extra .byte directives so that the
foo symbol does not appear to point half way through an
instruction.
* gas/arm/backslash-at.d: Update expected disassembly.
* gas/i386/ilp32/x86-64-opcode-inval-intel.d: Likewise.
* gas/i386/ilp32/x86-64-opcode-inval.d: Likewise.
* gas/i386/x86-64-opcode-inval-intel.d: Likewise.
* gas/i386/x86-64-opcode-inval.d: Likewise.
Yao Qi [Tue, 28 Apr 2015 09:59:04 +0000 (10:59 +0100)]
Add comments on using board file remote-gdbserver-on-localhost.exp
This commit is to add comments on using this board file and the
requirements on localhost.
gdb/testsuite:
2015-06-22 Yao Qi <yao.qi@linaro.org>
* boards/remote-gdbserver-on-localhost.exp: Add comments.
Yao Qi [Mon, 22 Jun 2015 12:41:33 +0000 (13:41 +0100)]
Don't skip hw breakpoint/watchpoint tests for aarch64 target
This patch is to let skip_hw_breakpoint_tests and skip_hw_watchpoint_tests
return 0 for aarch64 target, since aarch64 has HW watchpoint and
breakpoint registers.
With this patch applied, about 1560 watchpoint/breakpoint related tests
become enabled on aarch64-linux native testing.
gdb/testsuite:
2015-06-22 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (skip_hw_breakpoint_tests): Return 0 for target
aarch64*-*-*.
(skip_hw_watchpoint_tests): Likewise.
GDB Administrator [Mon, 22 Jun 2015 00:00:07 +0000 (00:00 +0000)]
Automatic date update in version.in
Mike Frysinger [Sat, 20 Jun 2015 09:36:26 +0000 (15:21 +0545)]
sim: common: add basic model assert
If the configured in default doesn't match a known value, throw an
assertion failure rather than segfaulting deeper down.
Mike Frysinger [Sat, 20 Jun 2015 03:48:04 +0000 (09:33 +0545)]
sim: common: use standard intXX_t types for signedXX
Let's assume that the system supports the POSIX int8/16/32/64_t types
as this collapses the logic significantly.
Mike Frysinger [Sat, 20 Jun 2015 03:46:10 +0000 (09:31 +0545)]
sim: common: standardize multiple include defines
We use SIM_xxx_H in most headers, so convert _SIM_xxx_H_ over to it.
Alan Modra [Sun, 21 Jun 2015 03:33:36 +0000 (13:03 +0930)]
Don't use $< in Makefiles
$< is a GNU make feature.
* Makefile.am: Expand $<.
* Makefile.in: Regenerate.
GDB Administrator [Sun, 21 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
GDB Administrator [Sat, 20 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Peter Bergner [Fri, 19 Jun 2015 22:17:07 +0000 (17:17 -0500)]
Allow for optional operands with non-zero default values.
ISA 2.07 (ie, POWER8) added the rfebb instruction which takes one operand
with the value of either a 0 or 1. It also defines an extended mnemonic
with no operands (ie, "rfebb") that is supposed to be equivalent to "rfebb 1".
I implemented rfebb's lone operand with PPC_OPERAND_OPTIONAL, but the
problem is, optional operands that are ommitted always default to the
value 0, which is wrong in this case. I have added support for allowing
non-zero default values by adding an additional flag PPC_OPERAND_OPTIONAL_VALUE
that specifies that the default operand value to be used is stored in the
SHIFT field of the operand field immediately following this one.
This fixes the rfebb issue. I also fixed the mftb and mfcr instructions
so they use the same mechanism. This allows us to flag invalid uses of
mfcr where we explicitly pass in a zero FXM value, like the use in a2.[sd].
include/opcode/
* ppc.h (PPC_OPERAND_OPTIONAL_VALUE): New.
(ppc_optional_operand_value): New inline function.
opcodes/
* ppc-dis.h (skip_optional_operands): Use ppc_optional_operand_value.
* ppc-opc.c (FXM4): Add non-zero optional value.
(TBR): Likewise.
(SXL): Likewise.
(insert_fxm): Handle new default operand value.
(extract_fxm): Likewise.
(insert_tbr): Likewise.
(extract_tbr): Likewise.
gas/
* config/tc-ppc.c (md_assemble): Use ppc_optional_operand_value.
Allow for optional operands without insert functions.
gas/testsuite/
* gas/ppc/power8.d: Fixup rfebb test results.
* gas/ppc/a2.s: Fix invalid mfcr test.
* gas/ppc/a2.d: Likewise.
Doug Evans [Fri, 19 Jun 2015 18:34:43 +0000 (11:34 -0700)]
Remove special support in gdb for Sun's version of stabs.
Discussion:
https://sourceware.org/ml/gdb-patches/2015-05/msg00169.html
gdb/ChangeLog:
* NEWS: Mention Sun's version of stabs is no longer supported.
* elfread.c (free_elfinfo): Delete. All uses updated.
(elfstab_offset_sections): Delete. All uses updated.
* gdb-stabs.h (stab_section_info): Delete. All uses updated.
* psympriv.h (partial_symtab) <section_offsets>: Delete.
All uses updated.
* psymtab.c (start_psymtab_common): Delete arg section_offsets.
All callers updated.
gdb/doc/ChangeLog:
* stabs.texinfo (ELF Linker Relocation): Mention Sun stabs is no
longer supported.
GDB Administrator [Fri, 19 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Simon Marchi [Thu, 18 Jun 2015 17:12:39 +0000 (13:12 -0400)]
remote: consider addressable unit size when reading/writing memory
Adapt code in remote.c to take into account addressable unit size when
reading/writing memory.
A few variables are renamed and suffixed with _bytes or _units. This
way, it's more obvious if there is any place where we add or compare
values of different kinds (which would be a mistake).
gdb/ChangeLog:
* common/rsp-low.c (needs_escaping): New.
(remote_escape_output): Add unit_size parameter. Refactor to
support multi-byte addressable units. Rename parameters.
* common/rsp-low.h (remote_escape_output): Add unit_size
parameter and rename others. Update doc.
* remote.c (align_for_efficient_write): New.
(remote_write_bytes_aux): Add unit_size parameter and use it.
Rename some variables. Update doc.
(remote_xfer_partial): Get unit size and use it.
(remote_read_bytes_1): Add unit_size parameter and use it.
Rename some variables. Update doc.
(remote_write_bytes): Same.
(remote_xfer_live_readonly_partial): Same.
(remote_read_bytes): Same.
(remote_flash_write): Update call to remote_write_bytes_aux.
(remote_write_qxfer): Update call to remote_escape_output.
(remote_search_memory): Same.
(remote_hostio_pwrite): Same.
gdb/gdbserver/ChangeLog:
* server.c (write_qxfer_response): Update call to
remote_escape_output.
Patrick Palka [Wed, 17 Jun 2015 19:41:07 +0000 (15:41 -0400)]
Test the interaction between GDBHISTSIZE and .gdbinit
The value inside the GDBHISTSIZE environment variable, only if valid,
should override setting the history size through one's .gdbinit file.
gdb/testsuite/ChangeLog:
* gdb.base/gdbinit-history.exp: Test the interaction between
setting GDBHISTSIZE and setting the history size via .gdbinit.
Nick Clifton [Thu, 18 Jun 2015 09:23:16 +0000 (10:23 +0100)]
Add support for using the ADR alias in Thumb mode against nearby symbols.
PR gas/18541
gas * config/tc-arm.c (md_apply_fix): Add support for ADR in thumb
mode against a nearby symbol.
tests * gas/arm/thumb.s: Add test of ADR against a nearby symbol.
* gas/arm/thumb.d: Update expected output.
* gas/arm/thumb-eabi.d: Likewise.
Nick Clifton [Thu, 18 Jun 2015 09:18:42 +0000 (10:18 +0100)]
Fix the computation of the addends for an ARM_TLS_LE32 reloc.
PR gas/18481
bfd * elf32-arm.c (R_ARM_TLS_LE32): Set the special function to NULL.
gas * config/tc-arm.c (tc_gen_reloc): Include BFD_RELOC_ARM_TLS_LE32
in the same case as BFD_RELOC_ARM_TLS_IS32.
tests * gas/arm/tls.s: Add tests of the tpoff pseudo with a local
symbol.
* gas/arm/tls.d: Update expected output.
Mike Frysinger [Thu, 18 Jun 2015 08:06:27 +0000 (04:06 -0400)]
sim: syscall: simplify unknown syscall trace
Since we always include the raw syscall number when tracing, also
including it in the name when it's unknown is redundant. Simplify
the code by using a constant string.
Mike Frysinger [Thu, 18 Jun 2015 08:02:26 +0000 (04:02 -0400)]
sim: callback: fix sentinel testing when walking maps
The new helpers for walking the maps tested the wrong value for exiting
the for loop. This caused crashes when looking up entries that were not
in the map.
GDB Administrator [Thu, 18 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Luis Machado [Wed, 17 Jun 2015 19:50:57 +0000 (16:50 -0300)]
Fix problems with finishing a dummy function call on simulators.
Some simulators don't handle permanent breakpoints properly and will
sometimes terminate when hitting such a breakpoint instruction or have
unwanted effects.
When a permanent breakpoint is inserted, GDB will not attempt to insert
other breakpoint locations on top of it, leading to the problem described
above.
By not marking permanent breakpoint locations as inserted, we allow the
insertion of breakpoint locations on top of the permanent ones, preventing
the simulators from running into that situation.
gdb/ChangeLog:
2015-06-17 Luis Machado <lgustavo@codesourcery.com>
* breakpoint.c (add_location_to_breakpoint): Don't mark permanent
locations as inserted.
Update and expand comment about permanent locations.
(bp_loc_is_permanent): Don't return 0 for bp_call_dummy.
Move comment to add_location_to_breakpoint.
(update_global_location_list): Don't error out if a permanent
breakpoint is not marked inserted.
Don't error out if a non-permanent breakpoint location is inserted on
top of a permanent breakpoint.
Luis Machado [Wed, 17 Jun 2015 14:08:55 +0000 (11:08 -0300)]
Remove unused function make_breakpoint_permanent.
make_breakpoint_permanent is no longer used anywhere and can be
safely removed.
gdb/ChangeLog:
2015-06-17 Luis Machado <lgustavo@codesourcery.com>
* breakpoint.c (make_breakpoint_permanent): Remove unused
function.
* breakpoint.h (make_breakpoint_permanent): Remove declaration.
Patrick Palka [Wed, 17 Jun 2015 18:44:38 +0000 (14:44 -0400)]
Make NEWS entry and manual regarding GDBHISTSIZE more consistent
... by mentioning in the manual that setting GDBHISTSIZE to the empty
string disables truncation, like the NEWS entry does.
gdb/doc/ChangeLog:
* gdb.texinfo (Command History): Mention that setting
GDBHISTSIZE to the empty string disables history truncation.
Patrick Palka [Tue, 12 May 2015 10:50:26 +0000 (06:50 -0400)]
Tweak the handling of $GDBHISTSIZE edge cases [PR gdb/16999]
When GDB reads a nonsensical value for the GDBHISTSIZE environment
variable, i.e. one that is non-numeric or negative, GDB then sets its
history size to 0. This behavior is annoying and also inconsistent
with the behavior of bash.
This patch makes the behavior of invalid GDBHISTSIZE consistent with how
bash handles HISTSIZE. When we encounter a null or out-of-range
GDBHISTSIZE (outside of [0, INT_MAX]) we now set the history size to
unlimited instead of 0. When we encounter a non-numeric GDBHISTSIZE we
do nothing.
gdb/ChangeLog:
PR gdb/16999
* NEWS: Mention new GDBHISTSIZE behavior.
* top.c (init_history): For null or out-of-range GDBHISTSIZE,
set history size to unlimited. Ignore non-numeric GDBHISTSIZE.
gdb/doc/ChangeLog:
PR gdb/16999
* gdb.texinfo (Command History): Mention new GDBHISTSIZE
behavior.
gdb/testsuite/ChangeLog:
PR gdb/16999
* gdb.base/gdbhistsize-history.exp: New test.
Patrick Palka [Wed, 17 Jun 2015 17:31:56 +0000 (13:31 -0400)]
Read $GDBHISTSIZE instead of $HISTSIZE
The HISTSIZE environment variable is generally expected to be read by
shells, not by applications. Some distros for example globally export
HISTSIZE in /etc/profile -- with the intention that it only affects
shells -- and by doing so it renders useless GDB's own mechanism for
setting the history size via .gdbinit. Also, annoyances may arise when
HISTSIZE is not interpreted the same way by the shell and by GDB, e.g.
PR gdb/16999. That can always be fixed on a shell-by-shell basis but it
may be impossible to be consistent with the behavior of all shells at
once. Finally it just makes sense to not confound shell environment
variables with application environment variables.
gdb/ChangeLog:
* NEWS: Mention that GDBHISTSIZE is read instead of HISTSIZE.
* top.c (init_history): Read from GDBHISTSIZE instead of
HISTSIZE.
(init_main): Refer to GDBHISTSIZE instead of HISTSIZE.
gdb/doc/ChangeLog:
* gdb.texinfo (Command History): Replace occurrences of HISTSIZE
with GDBHISTSIZE.
gdb/testsuite/ChangeLog:
* gdb.base/gdbinit-history.exp: Replace occurrences of HISTSIZE
with GDBHISTSIZE.
* gdb.base/readline.exp: Likewise.
Mike Frysinger [Mon, 15 Jun 2015 13:37:38 +0000 (19:22 +0545)]
sim: syscall: add common sim_syscall helpers
Many ports have the same sim syscall logic, so add some helpers to handle
all the common details. The arches still have to deal with the unpacking
and packing of the syscall arguments, but the rest of the sim<->callback
glue is now shared.
Mike Frysinger [Mon, 15 Jun 2015 15:24:21 +0000 (21:09 +0545)]
sim: syscall: unify memory helpers
Almost every port implements these two callbacks in the same way, so
unify them in the common layer.
Mike Frysinger [Mon, 15 Jun 2015 13:32:16 +0000 (19:17 +0545)]
sim: callback: add human readable strings for debugging to maps
When tracing, we often want to display the human readable name for the
various syscall/errno values. Rather than make each target duplicate
the lookup, extend the existing maps to include the string directly,
and add helper functions to look up the constants.
While most targets are autogenerated (from libgloss), the bfin/cris
targets have custom maps for the Linux ABI which need to be updated
by hand.
Yao Qi [Wed, 17 Jun 2015 16:03:03 +0000 (17:03 +0100)]
Fix tcl error
This patch fixes the following tcl error
Running ../../../binutils-gdb/gdb/testsuite/gdb.base/break-interp.exp ...
ERROR: (DejaGnu) proc "else" does not exist.
The error code is NONE
The info on the error is:
invalid command name "else"
while executing
"::tcl_unknown else"
("uplevel" body line 1)
invoked from within
"uplevel 1 ::tcl_unknown $args"
gdb/testsuite:
2015-06-17 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (get_build_id): Move braces and "else" to the same
line.
Jiong Wang [Wed, 17 Jun 2015 15:36:04 +0000 (16:36 +0100)]
[AArch64] Select correct linker emulation for ILP32 according to endianes
2015-06-17 Jiong Wang <jiong.wang@arm.com>
ld/testsuite/
* ld-aarch64/aarch64-elf.exp (aarch64_choose_ilp32_emul): New function.
* ld-aarch64/emit-relocs-28.d: Use aarch64_choose_ilp32_emul to choose
emulation mode.
Nick Clifton [Wed, 17 Jun 2015 15:10:36 +0000 (16:10 +0100)]
Fix compile warnings building previous delta in a 32-bit environment.
* config/tc-arm.c (is_double_a_single): Make conditional upon the
availablity of a 64-bit type. Use this type for the argument and
mantissa.
(double_to_single): Likewise.
* config/tc-arm.c (move_or_literal_pool): Use a 64-bit type for
the constant value, if available. Generate a 64-bit value from a
bignum if supported. Only perform the second optimization for
PR 18500 if the 64-bit type is available.
Patrick Palka [Thu, 4 Jun 2015 14:12:27 +0000 (10:12 -0400)]
Don't truncate the history file when history size is unlimited
We still do not handle "set history size unlimited" correctly. In
particular, after writing to the history file, we truncate the history
even if it is unlimited.
This patch makes sure that we do not call history_truncate_file() if the
history is not stifled (i.e. if it's unlimited). This bug causes the
history file to be truncated to zero on exit when one has "set history
size unlimited" in their gdbinit file. Although this code exists in GDB
7.8, the bug is masked by a pre-existing bug that's been only fixed in
GDB 7.9 (PR gdb/17820).
gdb/ChangeLog:
* top.c (gdb_safe_append_history): Do not call
history_truncate_file if the history is not stifled.
gdb/testsuite/ChangeLog:
* gdb.base/gdbinit-history.exp: Add test case to check that
an unlimited history file does not get truncated on exit.
Alessandro Marzocchi [Wed, 17 Jun 2015 12:50:52 +0000 (13:50 +0100)]
Add support for converting LDR Rx,=<imm> to MOV or MVN in Thumb2 mode.
PR gas/18499
gas * config/tc-arm.c (move_or_literal_pool): Add support for LDR Rx,=
to MOV.w or MVN.w for Thumb2.
tests * gas/arm/thumb2_ldr_immediate_armv6.s: New test case.
* gas/arm/thumb2_ldr_immediate_armv6.d: Expected disassembly.
* gas/arm/thumb2_ldr_immediate_armv6t2.s: New test case.
* gas/arm/thumb2_ldr_immediate_armv6t2.d: Expected disassembly.
Alessandro Marzocchi [Wed, 17 Jun 2015 11:56:17 +0000 (12:56 +0100)]
Add support for converting VLDR <reg>,=<constant> to a VMOV instruction when appropriate.
PR gas/18500
gas * config/tc-arm.c (is_double_a_single): New function.
(double_to_single): New function.
(move_or_literal_pool): Add support for converting VLDR to VMOV.
tests * gas/arm/vfpv2-ldr_immediate.s: New test case.
* gas/arm/vfpv2-ldr_immediate.d: Expected disassembly.
* gas/arm/vfpv3-ldr_immediate.s: New test case.
* gas/arm/vfpv3-ldr_immediate.d: Expected disassembly.
* gas/arm/vfpv3xd-ldr_immediate.s: New test case.
* gas/arm/vfpv3xd-ldr_immediate.d: Expected disassembly.
Andreas Arnez [Wed, 17 Jun 2015 09:17:08 +0000 (11:17 +0200)]
S390: Add syscall info for syscalls from 344 up to 354
Represent new Linux syscalls for s390 and s390x in GDB's syscall info.
Add the syscalls from 344 (finit_module) up to 354 (execveat).
gdb/ChangeLog:
* syscalls/s390-linux.xml: Add syscalls 344 through 354.
* syscalls/s390x-linux.xml: Likewise.
Andreas Arnez [Wed, 17 Jun 2015 09:17:07 +0000 (11:17 +0200)]
Add vector ABI tests to gnu_vector.exp
So far the gnu_vector test was limited to "static" aspects of GDB's
vector support, like evaluating vector-valued expressions. This patch
enriches the test and adds checks for GDB's vector ABI support as well.
The new checks particularly verify inferior function calls with vector
arguments and GDB's handling of vector return values.
The test now attempts to compile for the target's "native" architecture,
such that a hardware vector ABI is used if available.
Since GDB has no vector ABI support for x86 and x86_64 targets, most of
the new checks are KFAILed there.
gdb/testsuite/ChangeLog:
* gdb.base/gnu_vector.c: Include stdarg.h and stdio.h.
(VECTOR): New macro. Use it...
(int4, uint4, char4, float4, int2, longlong2, float2, double2):
...for these typedefs.
(int8, char1, int1, double1): New typedefs.
(struct just_int2, struct two_int2): New structures.
(add_some_intvecs, add_many_charvecs, add_various_floatvecs)
(add_structvecs, add_singlevecs): New functions.
(main): Call add_some_intvecs twice.
* gdb.base/gnu_vector.exp: Drop GCC version check; just attempt
the compile and exit upon failure. Try compiling for the "native"
architecture. Test inferior function calls with vector arguments
and vector return value handling with "finish" and "return".
GDB Administrator [Wed, 17 Jun 2015 00:00:07 +0000 (00:00 +0000)]
Automatic date update in version.in
Nicolas Pitre [Wed, 10 Jun 2015 03:06:29 +0000 (23:06 -0400)]
gas: section name substitution sequence
This patch adds the ability to automatically construct a section name
based on the prior section.
When gas is invoked with --sectname-subst, the occurrence of %S in a
section name will be substituted by the name of the current section. For
example:
.macro exception_code
.pushsection %S.exception
[exception code here]
.popsection
.endm
.text
[code]
exception_code
[...]
.section .init
[init code]
exception_code
[...]
The first and second exception_code invocations create the
.text.exception and the .init.exception sections respectively. This is
useful e.g. to discriminate between anciliary sections that are tied to
.init code and can be discarded at run time when initialization is over
vs anciliary sections tied to .text sections that need to stay resident.
* as.c (show_usage): Document --sectname-subst.
(parse_args): Add --sectname-subst.
* as.h (flag_sectname_subst): New.
* config/obj-elf.c (obj_elf_section_name): Add %S substitution.
* doc/as.texinfo: Document it.
Michael Eager [Tue, 16 Jun 2015 14:18:03 +0000 (07:18 -0700)]
GDB Namespaces - Define MSG_CMSG_CLOEXEC if not defined.
2015-06-16 Michael Eager <eager@eagercon.com>
* nat/linux-namespaces.c (MSG_CMSG_CLOEXEC): Define if not defined.
Patrick Palka [Tue, 2 Jun 2015 01:30:50 +0000 (21:30 -0400)]
Call target_terminal_ours_for_output() before refreshing TUI's frame info
In some cases tui_show_frame_info() may get called while the inferior's
terminal settings are still in effect. But when we call this function
we absolutely need to have our terminal settings in effect because the
function is responsible for redrawing TUI's windows following a change
in the selected frame or a change in the PC. If our terminal settings
are not in effect, the screen does not get redrawn properly, causing
temporary display artifacts (which can be fixed via ^L).
This scenario happens most prominently when stepping through a program
in TUI while a watchpoint is in effect.
Here is an example backtrace for when tui_show_frame_info() gets called
while target_terminal_is_inferior() == 1:
#1 0x00000000004988ee in tui_selected_frame_level_changed_hook (level=0)
#2 0x0000000000617b99 in select_frame (fi=0x18c9820)
#3 0x0000000000617c3f in get_selected_frame (message=message@entry=0x0)
#4 0x00000000004ce534 in update_watchpoint (b=b@entry=0x2d9a760,
reparse=reparse@entry=0)
#5 0x00000000004d625e in insert_breakpoints ()
#6 0x0000000000531cfe in keep_going (ecs=ecs@entry=0x7ffea7884ac0)
#7 0x00000000005326d7 in process_event_stop_test (ecs=ecs@entry=0x7ffea7884ac0)
#8 0x000000000053596e in handle_inferior_event_1 (ecs=0x7ffea7884ac0)
The fix is simple: call target_terminal_ours_for_output() before calling
tui_show_frame_info() in TUI's frame-changed hook, making sure to
restore the original terminal settings afterwards.
gdb/ChangeLog:
* tui/tui-hooks.c (tui_selected_frame_level_changed_hook): Call
target_terminal_ours_for_output() before calling
tui_show_frame_info(), and restore the original terminal
settings afterwards.
Matthew Wahab [Tue, 16 Jun 2015 13:15:54 +0000 (14:15 +0100)]
[AArch64] Support id_mmfr4 system register
2015-06-16 Matthew Wahab <matthew.wahab@arm.com>
opcodes/
* aarch64-opc.c (aarch64_sys_regs): Add "id_mmfr4_el1".
gas/testsuite
* sysreg.d: Add id_mmfr4_el1, update expected output.
* sysreg.s: Add id_mmfr4_el1.
Jon Turney [Mon, 15 Jun 2015 18:20:02 +0000 (19:20 +0100)]
Fix build when size_t is not available in bfd-in2.h
bfd/ChangeLog:
2015-06-15 Jon Turney <jon.turney@dronecode.org.uk>
* bfd.c: Change struct bfd_build_id to use bfd_size_type.
* bfd-in2.h : Regenerate.
Szabolcs Nagy [Tue, 16 Jun 2015 12:35:33 +0000 (13:35 +0100)]
Fixes a compile time warnng about left shifting a negative value.
* arm-dis.c (print_insn_coprocessor): Avoid negative shift.
Martin Simmons [Tue, 16 Jun 2015 08:32:47 +0000 (09:32 +0100)]
Fix compilation of gdb/arm-linux-nat.c on Raspbian GNU/Linux 7
GDB trunk fails to compile on Raspbian GNU/Linux 7 because
PTRACE_GETREGSET and PTRACE_SETREGSET are not defined in sys/ptrace.h.
gcc -g -O2 -I. -I. -I./common -I./config -DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I./../include/opcode -I./../opcodes/.. -I./../readline/.. -I./../zlib -I../bfd -I./../bfd -I./../include -I../libdecnumber -I./../libdecnumber -I./gnulib/import -Ibuild-gnulib/import -DTUI=1 -Wall -Wpointer-arith -Wno-unused -Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wpointer-sign -Wmissing-prototypes -Wdeclaration-after-statement -Wmissing-parameter-type -Wold-style-declaration -Wold-style-definition -Wformat-nonliteral -Werror -c -o arm-linux-nat.o -MT arm-linux-nat.o -MMD -MP -MF .deps/arm-linux-nat.Tpo arm-linux-nat.c
arm-linux-nat.c: In function 'fetch_fpregister':
arm-linux-nat.c:103:21: error: 'PTRACE_GETREGSET' undeclared (first use in this function)
arm-linux-nat.c:103:21: note: each undeclared identifier is reported only once for each function it appears in
arm-linux-nat.c: In function 'fetch_fpregs':
arm-linux-nat.c:144:21: error: 'PTRACE_GETREGSET' undeclared (first use in this function)
arm-linux-nat.c: In function 'store_fpregister':
arm-linux-nat.c:184:21: error: 'PTRACE_GETREGSET' undeclared (first use in this function)
arm-linux-nat.c:211:21: error: 'PTRACE_SETREGSET' undeclared (first use in this function)
...
This patch includes the gdb header file nat/linux-ptrace.h, which provides
fallback definitions.
2015-06-16 Martin Simmons <martin@lispworks.com> (tiny patch)
* arm-linux-nat.c: Include nat/linux-ptrace.h.
Alan Modra [Tue, 16 Jun 2015 07:17:51 +0000 (16:47 +0930)]
ppc476 linker workaround shared lib fixes again
Huh, I can't even write a binary search properly.
bfd/
* elf32-ppc.c (ppc_elf_relocate_section): Correct binary search of
dynamic relocs.
ld/testsuite/
* ld-powerpc/ppc476-shared.s: Repeat dynamic reloc generating insns.
* ld-powerpc/ppc476-shared.d: Update.
* ld-powerpc/ppc476-shared2.d: Update.
GDB Administrator [Tue, 16 Jun 2015 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Simon Marchi [Mon, 15 Jun 2015 19:50:31 +0000 (15:50 -0400)]
MI: consider addressable unit size when reading/writing memory
As a user of the target memory read/write interface, the MI code must
adjust its memory allocations to take into account the addressable memory
unitsize of the target.
gdb/ChangeLog:
mi/mi-main.c (mi_cmd_data_read_memory_bytes): Consider byte
size.
(mi_cmd_data_write_memory_bytes): Same.
Simon Marchi [Mon, 15 Jun 2015 19:31:00 +0000 (15:31 -0400)]
Clarify doc about memory read/write and non-8-bits addressable memory unit sizes
New in v3:
* Change RSP documentation as well. The m, M and X packets now use
lengths in addressable memory units.
New in v2:
* Change wording: use byte for 8-bits chunks and addressable memory unit
for the unit of data associated to a single address.
* Introduce definition of addressable memory unit in the Memory
section.
This patch modifies the manual to clarify the MI, RSP and Python APIs in
regard to reading/writing memory on architectures with addressable
memory unit that are not 8 bits.
Care is taken to use the word "addressable memory unit" or "memory unit"
when referring to one piece of the smallest addressable size on the
current architecture and the word "byte" when referring to an 8-bits
data piece.
For MI, -data-{read,write}-memory are not modified, since they are
deprecated.
gdb/doc/ChangeLog:
* gdb.texinfo (GDB/MI Data Manipulation): Clarify usage of
bytes and memory units for -data-{read,write}-memory-bytes.
(Packets): Same for m, M and X packets.
* python.texi (Inferiors In Python): Same for read_memory and
write_memory.
Simon Marchi [Mon, 15 Jun 2015 17:34:47 +0000 (13:34 -0400)]
Cleanup write_memory doc
This doc about write_memory seems outdated.
gdb/ChangeLog:
* corefile.c (write_memory): Update doc.
* gdbcore.h (write_memory): Same.
Jan Kratochvil [Mon, 15 Jun 2015 15:10:44 +0000 (17:10 +0200)]
Code cleanup: Rename enum -> enum filterflags
Bit mask ints are better to make enums as GDB already has support to
automatically decode them:
before this patch:
(gdb) p filterflags
$1 = 51
(gdb) p/x filterflags
$2 = 0x33
after this patch:
(gdb) p filterflags
$1 = (COREFILTER_ANON_PRIVATE | COREFILTER_ANON_SHARED | COREFILTER_ELF_HEADERS | COREFILTER_HUGETLB_PRIVATE)
gdb/ChangeLog
2015-06-15 Jan Kratochvil <jan.kratochvil@redhat.com>
* linux-tdep.c (enum filterflags): Make it from anonymous enum.
(dump_mapping_p): Use it for parameter filterflags.
(linux_find_memory_regions_full): Use it for variable filterflags.
Jan Kratochvil [Mon, 15 Jun 2015 15:08:49 +0000 (17:08 +0200)]
Merge multiple hex conversions
gdb/ChangeLog
2015-06-15 Aleksandar Ristovski <aristovski@qnx.com
Jan Kratochvil <jan.kratochvil@redhat.com>
Merge multiple hex conversions.
* monitor.c: Include rsp-low.h.
(fromhex): Remove definition.
gdb/gdbserver/ChangeLog
2015-06-15 Aleksandar Ristovski <aristovski@qnx.com
Jan Kratochvil <jan.kratochvil@redhat.com>
Merge multiple hex conversions.
* gdbreplay.c (tohex): Rename to 'fromhex'.
(logchar): Use fromhex.
Jan Kratochvil [Mon, 15 Jun 2015 15:04:56 +0000 (17:04 +0200)]
Move utility functions to common/
gdb/ChangeLog
2015-06-15 Aleksandar Ristovski <aristovski@qnx.com
Jan Kratochvil <jan.kratochvil@redhat.com>
Move utility functions to common/.
* cli/cli-utils.c (skip_spaces, skip_spaces_const, skip_to_space_const):
Move defs to common/common-utils.c.
* cli/cli-utils.h (skip_spaces, skip_spaces_const, skip_to_space)
(skip_to_space_const): Move decls to common/common-utils.h.
* common/common-defs.h: Move include of common-types.h before
common-utils.h.
* common/common-utils.c: Include host-defs.h and ctype.h.
(HIGH_BYTE_POSN, is_digit_in_base, digit_to_int, strtoulst): Move
from utils.c.
(skip_spaces, skip_spaces_const, skip_to_space_const): Move from
cli/cli-utils.c.
* common/common-utils.h (strtoulst): Move decl from utils.h.
(skip_spaces, skip_spaces_const, skip_to_space, skip_to_space_const):
Move from cli/cli-utils.h.
* common/host-defs.h: Include limits.h.
(TARGET_CHAR_BIT, HOST_CHAR_BIT): Moved from defs.h.
(skip_spaces, skip_spaces_const): Move decls from cli/cli-utils.h.
* defs.h (TARGET_CHAR_BIT, HOST_CHAR_BIT): Move to
common/common-utils.h.
* utils.c (HIGH_BYTE_POSN, is_digit_in_base, digit_to_int)
(strtoulst): Move to common/common-utils.c.
* utils.h (strtoulst): Moved decl to common/common-utils.h.
Yao Qi [Mon, 15 Jun 2015 11:41:09 +0000 (12:41 +0100)]
Copy aarch64-linux.xml to build tree.
This patch fixes a bug that aarch64-linux.xml isn't copied to the
build tree, so that some tests catch-syscall.exp fail.
gdb:
2015-06-15 Yao Qi <yao.qi@linaro.org>
* data-directory/Makefile.in (SYSCALLS_FILES): Add aarch64-linux.xml.
Ulrich Weigand [Mon, 15 Jun 2015 11:49:43 +0000 (13:49 +0200)]
Fix ChangeLog entry.
Jon Turney [Tue, 7 Apr 2015 19:49:08 +0000 (20:49 +0100)]
Allow gdb to find debug symbols file by build-id for PE file format also
This promotes BFD's struct elf_build_id to the generic struct bfd_build_id,
populated when an ELF or PE BFD is read.
gdb is updated to use that, and to use the build-id to find symbols for PE files
also.
There is currently no generic way to extract the build-id from an object file,
perhaps an option to objdump to do this might make sense?
On x86_64-pc-cygwin, gdb's sepdebug.exp changes:
-# of unsupported tests 1
+# of expected passes 90
I don't seem to get consistent testsuite runs on i686-linux-gnu, but there
don't appear to be any regressions.
bfd/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* elf-bfd.h : Remove struct elf_build_id.
* bfd.c : Add struct bfd_build_id.
* bfd-in2.h: Regenerate.
* elf.c (elfobj_grok_gnu_build_id): Update to use bfd_build_id.
* libpei.h: Add protoype and macros for
bfd_XXi_slurp_codeview_record.
* peXXigen.c (_bfd_XXi_slurp_codeview_record): Make public
* peicode.h (pe_bfd_read_buildid): Add.
(pe_bfd_object_p): Use pe_bfd_read_buildid().
gdb/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* build-id.c: Don't include elf-bfd.h.
(build_id_bfd_get): Use bfd_build_id.
(build_id_verify): Ditto.
* build-id.h: Ditto.
(find_separate_debug_file_by_buildid): Ditto.
* python/py-objfile.c: Don't include elf-bfd.h.
(objfpy_get_build_id) Use bfd_build_id.
(objfpy_build_id_matches, objfpy_lookup_objfile_by_build_id): Ditto.
* coffread.c: Include build-id.h.
(coff_symfile_read): Try find_separate_debug_file_by_buildid.
gdb/doc/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* gdb.texinfo (Separate Debug Files): Document that PE is also
supported.
gdb/testsuite/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* gdb.base/sepdebug.exp: Add EXEEXT where needed.
* lib/gdb.exp (get_build_id): Teach how to extract build-id from a
PE file.
* lib/future.exp (gdb_find_objdump): Add gdb_find_objdump.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
Jon Turney [Wed, 3 Jun 2015 12:58:45 +0000 (13:58 +0100)]
windows-nat: Replace __COPY_CONTEXT_SIZE conditional with __CYGWIN__
Replace __COPY_CONTEXT_SIZE conditional with __CYGWIN__
__COPY_CONTEXT_SIZE was added to Cygwin's headers in 2006.
Versions of Cygwin which don't define __COPY_CONTEXT_SIZE are long obsolete.
Also see the thread starting at
https://sourceware.org/ml/gdb-patches/2015-03/msg00989.html for some discussion
Note that __COPY_CONTEXT_SIZE should just be sizeof(CONTEXT) (which is a
platform constant), but isn't due to historical mistakes in Cygwin headers.
gdb/ChangeLog:
2015-06-03 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (do_windows_fetch_inferior_registers)
(handle_output_debug_string): Replace __COPY_CONTEXT_SIZE
conditional with __CYGWIN__.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
Renlin Li [Mon, 15 Jun 2015 10:07:37 +0000 (11:07 +0100)]
[AArch64] Gas add BFD_RELOC_AARCH64_LD64_GOTOFF_LO15 support
2015-06-15 Renlin Li <renlin.li@arm.com>
bfd/
* reloc.c (BFD_RELOC_AARCH64_LD64_GOTOFF_LO15): New entry.
* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
BFD_RELOC_AARCH64_LD64_GOTOFF_LO15.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
gas/
* config/tc-aarch64.c (reloc_table): New relocation modifier.
(md_apply_fix): Support BFD_RELOC_AARCH64_LD64_GOTOFF_LO15.
(aarch64_force_relocation): Ditto
gas/testsuite/
* gas/aarch64/reloc-insn.s: Update test
* gas/aarch64/reloc-insn.d: Update expected result.
Nick Clifton [Mon, 15 Jun 2015 08:25:26 +0000 (09:25 +0100)]
Fix a segmentation fault triggered when trying to handle an unresolved PE symbol with a very long name.
PR ld/18466
* emultempl/pe.em (pe_find_data_imports): Generate an error if a
symbol name is too long to handle.
* emultempl/pep.em (pep_find_data_imports): Likewise.
Mark Wielaard [Sat, 13 Jun 2015 21:47:41 +0000 (17:47 -0400)]
gas: Don't use frag_align but use plain padding to align .debug_aranges.
out_debug_aranges uses frag_align to make sure the addresses start
out aligned. Using frag_align will call frag_var[_init], which will
end up calling TC_FRAG_INIT. On arm and aarch64 TC_FRAG_INIT will
generate a $d mapping symbol for the .debug_aranges to show that at
that point a sequence of data items starts.
Such a symbol pointing into a non-allocated debug section will confuse
eu-strip -g. And it seems inefficient and wrong in general to have
additional mapping symbols for debug sections, which won't contain
actual code in the first place.
Just keep track of the aranges header size and use plain padding to
align the addresses which avoids generating any mapping symbols on
aarch64 and arm.
Includes a testcase for aarch64 that PASS with this patch and shows
the extra $d mapping symbol in .debug_aranges before.
gas/ChangeLog
* dwarf2dbg.c (out_header): Document EXPR->X_add_number value,
out_debug_aranges depends on it.
(out_debug_aranges): Track size of header to properly pad header
for address alignment.
gas/testsuite/ChangeLog
* gas/aarch64/dwarf.d: New.
* gas/aarch64/dwarf.s: New.
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