We need to update symbol version for symbols from linker script.
bfd/
PR ld/19698
* elflink.c (bfd_elf_record_link_assignment): Set versioned if
symbol version is unknown.
ld/
PR ld/19698
* testsuite/ld-elf/pr19698.d: New file.
* testsuite/ld-elf/pr19698.s: Likewise.
* testsuite/ld-elf/pr19698.t: Likewise.
This unbreaks pending/delayed breakpoints handling, as well as
hardware watchpoints, on MIPS.
Ref: https://sourceware.org/ml/gdb-patches/2016-02/msg00681.html
The MIPS kernel reports SI_KERNEL for all kernel generated traps,
instead of TRAP_BRKPT / TRAP_HWBKPT, but GDB isn't aware of this.
Basically, this commit:
- Folds watchpoints logic into check_stopped_by_breakpoint, and
renames it to save_stop_reason.
- Adds GDB_ARCH_IS_TRAP_HWBKPT.
- Makes MIPS set both GDB_ARCH_IS_TRAP_BRPT and
GDB_ARCH_IS_TRAP_HWBKPT to SI_KERNEL. In save_stop_reason, we
handle the case of the same si_code returning true for both
TRAP_BRPT and TRAP_HWBKPT by looking at what the debug registers
say.
Tested on x86-64 Fedora 20, native and gdbserver.
gdb/ChangeLog:
2016-02-24 Pedro Alves <palves@redhat.com>
* linux-nat.c (save_sigtrap) Delete.
(stop_wait_callback): Call save_stop_reason instead of
save_sigtrap.
(check_stopped_by_breakpoint): Rename to ...
(save_stop_reason): ... this. Bits of save_sigtrap folded here.
Use GDB_ARCH_IS_TRAP_HWBKPT and handle ambiguous
GDB_ARCH_IS_TRAP_BRKPT / GDB_ARCH_IS_TRAP_HWBKPT. Factor out
common code between the USE_SIGTRAP_SIGINFO and
!USE_SIGTRAP_SIGINFO blocks.
(linux_nat_filter_event): Call save_stop_reason instead of
save_sigtrap.
* nat/linux-ptrace.h: Check for both SI_KERNEL and TRAP_BRKPT
si_code for MIPS.
* nat/linux-ptrace.h: Fix "TRAP_HWBPT" typo in x86 table. Add
comments on MIPS behavior.
(GDB_ARCH_IS_TRAP_HWBKPT): Define for all archs.
gdb/gdbserver/ChangeLog:
2016-02-24 Pedro Alves <palves@redhat.com>
* linux-low.c (check_stopped_by_breakpoint): Rename to ...
(save_stop_reason): ... this. Use GDB_ARCH_IS_TRAP_HWBKPT and
handle ambiguous GDB_ARCH_IS_TRAP_BRKPT / GDB_ARCH_IS_TRAP_HWBKPT.
Factor out common code between the USE_SIGTRAP_SIGINFO and
!USE_SIGTRAP_SIGINFO blocks.
(linux_low_filter_event): Call save_stop_reason instead of
check_stopped_by_breakpoint and check_stopped_by_watchpoint.
Update comments.
(linux_wait_1): Update comments.
As it is planned to add more architectures to this test, rename to a more
generic name.
gdb/testsuite/ChangeLog:
* gdb.trace/tfile-avx.c: Move to...
* gdb.trace/tracefile-pseudo-reg.c: Here.
* gdb.trace/tfile-avx.exp: Move to...
* gdb.trace/tracefile-pseudo-reg.exp: Here.
Support z-point, so tracepoints and breakpoints can be inserted at the same
location.
gdb/gdbserver/ChangeLog:
2016-02-24 Wei-cheng Wang <cole945@gmail.com>
* linux-ppc-low.c (ppc_supports_z_point_type): New function:
(ppc_insert_point, ppc_remove_point): Insert/remove z-packet breakpoints.
(ppc64_emit_ops_vector): Add target ops - ppc_supports_z_point_type,
ppc_insert_point, ppc_remove_point.
opcodes/
2016-02-24 Renlin Li <renlin.li@arm.com>
* arm-dis.c (print_insn_coprocessor): Check co-processor number for
cpd/cpd2, mcr/mcr2, mrc/mrc2, ldc/ldc2, stc/stc2.
gas/
2016-02-24 Renlin Li <renlin.li@arm.com>
* testsuite/gas/arm/copro.s: Use coprocessor other than 10, 11.
* testsuite/gas/arm/copro.d: Update.
Since plt_got.offset may be updated in x86 allocate_dynrelocs, set
plt_got.offset to (bfd_vma) -1 when setting needs_plt to 0.
* elf32-i386.c (elf_i386_allocate_dynrelocs): Set plt_got.offset
to (bfd_vma) -1 when setting needs_plt to 0.
* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
This commit fixes an error in exec_file_locate_attach where
the main executable could be loaded from outside the sysroot
if a nonempty, non-"target:" sysroot was set but the discovered
executable filename did not exist in that sysroot and did exist
on the main filesystem.
gdb/ChangeLog:
* exec.c (exec_file_locate_attach): Do not attempt to
locate main executable locally if not found in sysroot.
gdb/testsuite/ChangeLog:
* gdb.base/attach-pie-noexec.exp: Do not expect an error
message on attach.
gdb/ChangeLog:
Extend "skip" command to support -file, -gfile, -function, -rfunction.
* NEWS: Document new features.
* skip.c: #include "fnmatch.h", "gdb_regex.h".
(skiplist_entry) <file>: Renamed from filename.
<function>: Renamed from function_name.
<file_is_glob, function_is_regexp>: New members.
<compiled_function_regexp, compiled_function_regexp_is_valid>:
New members.
(make_skip_entry): New function.
(free_skiplist_entry, free_skiplist_entry_cleanup): New functions.
(make_free_skiplist_entry_cleanup): New function.
(skip_file_command): Update.
(skip_function, skip_function_command): Update.
(compile_skip_regexp): New functions.
(skip_command): Add support for new options.
(skip_info): Update.
(skip_file_p, skip_gfile_p): New functions.
(skip_function_p, skip_rfunction_p): New functions.
(function_name_is_marked_for_skip): Update and simplify.
(_initialize_step_skip): Update.
* symtab.c: #include "fnmatch.h".
(compare_glob_filenames_for_search): New function.
* symtab.h (compare_glob_filenames_for_search): Declare.
* utils.c (count_path_elements): New function.
(strip_leading_path_elements): New function.
* utils.h (count_path_elements): Declare.
(strip_leading_path_elements): Declare.
gdb/doc/ChangeLog:
* gdb.texinfo (Skipping Over Functions and Files): Document new
options to "skip" command. Update docs of output of "info skip".
gdb/testsuite/ChangeLog:
* gdb.base/skip.c (test_skip): New function.
(end_test_skip_file_and_function): New function.
(test_skip_file_and_function): New function.
* gdb.base/skip1.c (test_skip): New function.
(skip1_test_skip_file_and_function): New function.
* gdb.base/skip.exp: Add tests for new skip options.
* gdb.base/skip-solib.exp: Update expected output.
* gdb.perf/skip-command.cc: New file.
* gdb.perf/skip-command.exp: New file.
* gdb.perf/skip-command.py: New file.
Linker assigned symbols should be made dynamic by default only when
creating shared object or relocatable executable.
bfd/
* elflink.c (bfd_elf_record_link_assignment): Check for shared
library, instead of PIC, and don't check PDE when making linker
assigned symbol dynamic.
ld/
* testsuite/ld-frv/fdpic-pie-6.d: Updated.
* testsuite/ld-mips-elf/pie-n32.d: Likewise.
* testsuite/ld-mips-elf/pie-n64.d: Likewise.
* testsuite/ld-mips-elf/pie-o32.d: Likewise.
This patch updates the syscalls in sync with syscalls/aarch64-linux.xml.
Some syscalls are still not supported by gdb/linux-record.c yet. Mark
them UNSUPPORTED_SYSCALL_MAP.
This patch fixes the following test fail,
Process record and replay target doesn't support syscall number 56^M
Process record: failed to record execution log.^M
^M
Program stopped.^M
0x00000020000e9dfc in open () from /lib/aarch64-linux-gnu/libc.so.6^M
(gdb) FAIL: gdb.reverse/fstatat-reverse.exp: continue to breakpoint: marker2
gdb:
2016-02-23 Yao Qi <yao.qi@linaro.org>
* aarch64-linux-tdep.c (enum aarch64_syscall) <aarch64_sys_mknod>:
Remove.
<aarch64_sys_mkdir, aarch64_sys_unlink, aarch64_sys_symlink>: Remove.
<aarch64_sys_link, aarch64_sys_rename, aarch64_sys_faccess>: Remove.
<aarch64_sys_mknodat, aarch64_sys_mkdirat>: New.
<aarch64_sys_unlinkat, aarch64_sys_symlinkat>: New.
<aarch64_sys_linkat, aarch64_sys_renameat, aarch64_sys_faccessat>: New.
<aarch64_sys_open, aarch64_sys_readlink, aarch64_sys_fstatat>: Remove.
<aarch64_sys_openat, aarch64_sys_readlinkat>: New.
<aarch64_sys_newfstatat>: New.
(UNSUPPORTED_SYSCALL_MAP): New macro.
(aarch64_canonicalize_syscall): Add missing syscalls.
We should always create the dynsym section, even if it is empty, with
dynamic sections.
* elflink.c (_bfd_elf_link_renumber_dynsyms): Always create the
dynsym section, even if it is empty, with dynamic sections.
unavailable.exp executes "info registers", expecting to find at least
two instances of "<unavailable>". However, it uses
"<unavailable>.*<unavailable>" as the pattern, which doesn't match
when the last register happens to be available (eg. PC). Change it
to ".*<unavailable>.*<unavailable>.*" instead.
Noticed on s390, no regression on x86_64.
gdb/testsuite/ChangeLog:
* gdb.trace/unavailable.exp (gdb_unavailable_registers_test_1): Fix
info registers pattern.
After building GDB
--with-python=/usr/bin/python3
and for example stripping ./gdb and running:
./gdb -data-directory data-directory/ -iex "add-auto-load-safe-path $PWD/gdb-gdb.gdb" -iex "add-auto-load-safe-path $PWD/gdb-gdb.
py" ./gdb
I get:
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
File "/home/jkratoch/redhat/gdb-test-python3/gdb/gdb-gdb.py", line 91
print "Warning: Cannot find enum type_flag_value type."
^
SyntaxError: Missing parentheses in call to 'print'
(top-gdb) q
gdb/ChangeLog
2016-02-22 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb-gdb.py (class TypeFlagsPrinter): Use parentheses for print.
elfNN_aarch64_size_stubs, the caller of aarch64_type_stub has redirected
the final destination of long branch veneer to plt stub if the call
should go through it.
It's redundant to do the same check and redirect again from scratch
inside aarch64_type_stub.
bfd/
* elfnn-aarch64. (aarch64_type_of_stub): Remove redundation calcuation
for destination. Remove useless function parameters.
(elfNN_aarch64_size_stubs): Update parameters for aarch64_type_of_stub.
This patch fixes the various code format issues in arm process record
in arm-tdep.c, such as using tab instead of spaces.
gdb:
2016-02-22 Yao Qi <yao.qi@linaro.org>
* arm-tdep.c: Fix code format issues.
There is no need to set BFD compression bits for each section. We
should just set it once in write_object_file.
* write.c (compress_debug): Move BFD compression bits setting
to ...
(write_object_file): Here.
Increment register number by 16 if RegVRex is set.
* config/tc-i386.c (register_number): Check RegVRex.
* testsuite/gas/i386/x86-64-avx512f.s: Add a test for vgatherqpd
with %zmm19 and %zmm3.
* testsuite/gas/i386/x86-64-avx512f-intel.d: Updated.
* testsuite/gas/i386/x86-64-avx512f.d: Likewise.
H.J. Lu
Pedro Alves
Marcin Kościelnicki
Antoine Tremblay
Doug Evans
Renlin Li
Wei-cheng Wang
Gary Benson
Kyrylo Tkachov
Joel Brobecker
GDB Administrator
Simon Marchi
Faraz Shahbazker
Rich Felker
Yao Qi
Hans-Peter Nilsson
Jan Kratochvil
Trevor Saunders
Jiong Wang
Iain Buclaw
Nick Clifton