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apply_frame_filter calls ensure_python_env before computing the
gdbarch to use. This means that python_gdbarch can be NULL while in
Python code, and if a frame filter depends on this somehow (easy to
do), gdb will crash.
The fix is to compute the gdbarch first.
Built and regtested on x86-64 Fedora 18.
New test case included.
2014-01-23 Tom Tromey <tromey@redhat.com>
PR python/16491:
* python/py-framefilter.c (apply_frame_filter): Call
ensure_python_env after computing gdbarch.
2014-01-23 Tom Tromey <tromey@redhat.com>
PR python/16491:
* gdb.python/py-framefilter.py (Reverse_Function.function): Read a
string from an inferior frame.
* gdb.python/py-framefilter-mi.exp: Update.
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This patch changes the argument type to gdb_byte * in order to align
with the to_xfer_partial interface.
gdb:
2014-01-23 Yao Qi <yao@codesourcery.com>
* target.c (raw_memory_xfer_partial): Change argument type
from void * to gdb_byte *.
(memory_xfer_partial_1, memory_xfer_partial): Likewise.
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* NEWS: Mention it.
gdbserver/
* configure.ac (AC_CHECK_FUNCS): Add test for gettimeofday.
* configure: Regenerate.
* config.in: Regenerate.
* Makefile.in (SFILES): Add debug.c.
(OBS): Add debug.o.
* debug.c: New file.
* debug.h: New file.
* linux-aarch64-low.c (*): Update all debugging printfs to use
debug_printf instead of fprintf.
* linux-arm-low.c (*): Ditto.
* linux-cris-low.c (*): Ditto.
* linux-crisv32-low.c (*): Ditto.
* linux-m32r-low.c (*): Ditto.
* linux-sparc-low.c (*): Ditto.
* linux-x86.c (*): Ditto.
* linux-low.c (*): Ditto.
(linux_wait_1): Add calls to debug_enter, debug_exit.
(linux_wait): Remove redundant debugging printf.
(stop_all_lwps): Add calls to debug_enter, debug_exit.
(linux_resume, unstop_all_lwps): Ditto.
* mem-break.c (*): Update all debugging printfs to use
debug_printf instead of fprintf.
* remote-utils.c (*): Ditto.
* thread-db.c (*): Ditto.
* server.c #include <ctype.h>, "gdb_vecs.h".
(debug_threads): Moved to debug.c.
(*): Update all debugging printfs to use debug_printf instead of
fprintf.
(start_inferior): Replace call to fflush with call to debug_flush.
(monitor_show_help): Mention set debug-format.
(parse_debug_format_options): New function.
(handle_monitor_command): Handle "monitor set debug-format".
(gdbserver_usage): Mention --debug-format.
(main): Parse --debug-format.
* server.h (debug_threads): Declaration moved to debug.h.
#include "debug.h".
* tracepoint.c (trace_debug_1) [!IN_PROCESS_AGENT]: Add version of
trace_debug_1 that uses debug_printf.
(tracepoint_look_up_symbols): Update all debugging printfs to use
debug_printf instead of fprintf.
doc/
* gdb.texinfo (Server): Mention --debug-format=all|none|timestamp.
(gdbserver man): Ditto.
testsuite/
* gdb.server/server-mon.exp: Add tests for "set debug-format".
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* config/tc-msp430.c (msp430_refsym): New: ".refsym <symbol>"
* doc/c-msp430.texi (MSP430 Directives): Document it.
The purpose of this patch is to provide a way for one object file
to require the inclusion of another object, without having to
allocate space for a .word address reference.
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Since regzmm can't be used in AVX2 gather instructions, there is no need
to check regzmm in AVX2 gather assert.
2014-01-22 Michael Zolotukhin <michael.v.zolotukhin@gmail.com>
* config/tc-i386.c (check_VecOperands): Remove regzmm from AVX2
gather assert.
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AVX512 gather instructions shouldn't accept the same register for both
destination and index.
gas/
2014-01-22 Michael Zolotukhin <michael.v.zolotukhin@gmail.com>
PR gas/16489
* config/tc-i386.c (check_VecOperands): Add check for invalid
register set in AVX512 gathers.
gas/testsuite/
2014-01-22 Michael Zolotukhin <michael.v.zolotukhin@gmail.com>
PR gas/16489
* gas/i386/vgather-check.s: Add tests for AVX512 gathers.
* gas/i386/x86-64-vgather-check.s: Likewise.
* gas/i386/vgather-check-error.l: Update correspondingly.
* gas/i386/vgather-check-none.d: Likewise.
* gas/i386/vgather-check-warn.d: Likewise.
* gas/i386/vgather-check-warn.e: Likewise.
* gas/i386/vgather-check.d: Likewise.
* gas/i386/x86-64-vgather-check-error.l: Likewise.
* gas/i386/x86-64-vgather-check-none.d: Likewise.
* gas/i386/x86-64-vgather-check-warn.d: Likewise.
* gas/i386/x86-64-vgather-check-warn.e: Likewise.
* gas/i386/x86-64-vgather-check.d: Likewise.
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* syscalls/s390x-linux.xml: New file.
* syscalls/s390-linux.xml: New file.
* s390-linux-tdep.c (XML_SYSCALL_FILENAME_S390): New macro.
(XML_SYSCALL_FILENAME_S390X): Likewise.
(op_svc): New enum value for SVC opcode.
(s390_sigtramp_frame_sniffer): Replace literal by 'op_svc'.
(s390_linux_get_syscall_number): New function.
(s390_gdbarch_init): Register '*get_syscall_number' and the
syscall xml file name.
* data-directory/Makefile.in (SYSCALLS_FILES): Add
"s390-linux.xml" and "s390x-linux.xml".
* NEWS: Announce new feature.
gdb/testsuite/ChangeLog:
* gdb.base/catch-syscall.exp: Activate test on s390*-linux.
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The trace-specific test case 'entry-values' concludes fairly late in
the process that this platform doesn't support trace. Before that,
there are some platform specifics that don't work on s390x. The fix
addresses two aspects:
(1) Removal of an excess space character in the regex for the
disassembly. This is needed when there is a function alignment
gap, because then the hex address is immediately followed by a
colon, like in the first 'nopr' line below:
(gdb) disassemble foo+50,+10
Dump of assembler code from 0x32 to 0x3c:
0x0000000000000032 <foo+50>: br %r4
0x0000000000000034: nopr %r7
0x0000000000000036: nopr %r7
0x0000000000000038 <bar+0>: stmg %r11,%r15,88(%r15)
End of assembler dump.
(2) Handling for the s390-specific call instruction.
gdb/testsuite/ChangeLog:
* gdb.trace/entry-values.exp: Remove excess space character from
regex patterns. Handle s390 call instruction.
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On ppc64-linux a function symbol does not point to code, but to the
function descriptor. Thus the previous change for this test case
broke it:
https://sourceware.org/ml/gdb-patches/2014-01/msg00275.html
This patch reverts to the original method, re-introducing '_start'
symbols. In addition, it adds sufficient alignment before the label,
such that the label never points into an alignment gap.
gdb/testsuite/ChangeLog:
* gdb.dwarf2/dw2-dir-file-name.c (FUNC): Insert alignment and
define "*_start" label. Make "name" static.
* gdb.dwarf2/dw2-dir-file-name.exp: Replace references to
${name} by references to ${name}_start.
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When upstream gcc is given a command line with the "-g" option after
"-g3", it doesn't generate a ".debug_macro" section. This is because
the last option wins, thus downgrading the debug level again. Without
any macro debug information in the executable, info-macros.exp
obviously produces many failures.
Since the "-g" option is appended by DejaGnu's target_compile whenever
the "debug" option is set, the fix just removes that option.
gdb/testsuite/ChangeLog:
* gdb.base/info-macros.exp: Remove "debug" from the compile
options.
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On 64-bit hosts unsigned long is 64 bit. Use uint32_t instead.
gdb/
2014-01-22 Baruch Siach <baruch@tkos.co.il>
* xtensa-tdep.h (xtensa_elf_greg_t): Change type to uint32_t.
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All .c files must start by including defs.h.
2014-01-22 Pedro Alves <palves@redhat.com>
* xtensa-config.c: Include defs.h.
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Adds a section for --as-needed libraries to a linker map file, similar
to what we do for archive libraries.
bfd/
* elflink.c (elf_link_add_object_symbols): Call minfo for --as-needed.
ld/
* ldlang.c (asneeded_list_head, asneeded_list_tail): New vars.
(lang_init): Initialise them.
(lang_print_asneeded): New function.
(lang_process): Call lang_print_asneeded.
* ldlang.h (struct asneeded_minfo): New.
(asneeded_list_tail): Declare.
* ldmain.c (add_archive_element): Improve archive map heading.
* ldmisc.c (minfo): Stash --as-needed info.
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* config/tc-tic4x.c (md_shortopts): s/CONST/const/.
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* elf64-ppc.c (STK_LINKER): Comment typo fix.
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The ARI script flagged the use of the __func__ variable, which
is normally not allowed (not defined in C90). However, this particular
use is OK, as the reference is only made when __STDC_VERSION__ >=
199901L. So, add an "ARI:" comment to explicitly OK this use.
gdb/ChangeLog:
* common/common-utils.h: Add "ARI:" comment beside __func__
reference.
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While looking at this macro, I noticed that it wasn't always necessarily
defined. That prompted me to search the current sources to make sure
that all uses were adequately protected, which they were. But to help
prevent future uses to be made unprotected, this patch expands the
current macro documentation a bit.
gdb/ChangeLog:
* common/common-utils.h (FUNCTION_NAME): Expand the macro's
documentation a bit.
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Localise a struct, prevent an unneeded symbol lookup, and fix a
testcase.
ld/
* ld.h (struct map_symbol_def): Move to..
* ldlang.h: ..here.
* ldlang.c (print_assignment): Don't set expld.assign_name to dot.
ld/testsuite/
* ld-scripts/pr14962-2.d: Correct target triple.
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An assignment to dot in an output section that allocates space of
course keeps the output section. Here, I'm changing the behaviour for
assignments that don't allocate space. The idea is not so much to
allow people to force output of an empty section with ". = .", but
to fix cases where an otherwise empty section has padding added by an
alignment expression that changes with relaxation or .eh_frame
editing. Such a section might have zero size before relaxation and so
be stripped incorrectly.
ld/
* ld.texinfo (Output Section Discarding): Mention assigning to dot
as a way of keeping otherwise empty sections.
* ldexp.c (is_dot, is_value, is_sym_value, is_dot_ne_0,
is_dot_plus_0, is_align_conditional): New predicates.
(exp_fold_tree_1): Set SEC_KEEP when assigning to dot inside an
output section, except for some special cases.
* scripttempl/elfmicroblaze.sc: Use canonical form to align at
end of .heap and .stack.
ld/testsuite/
* ld-shared/elf-offset.ld: Align end of .bss with canonical form
of ALIGN that allows an empty .bss to be removed.
* ld-arm/arm-dyn.ld: Likewise.
* ld-arm/arm-lib.ld: Likewise.
* ld-elfvsb/elf-offset.ld: Likewise.
* ld-mips-elf/mips-dyn.ld: Likewise.
* ld-mips-elf/mips-lib.ld: Likewise.
* ld-arm/arm-no-rel-plt.ld: Remove duplicate ALIGN.
* ld-powerpc/vle-multiseg-1.ld: Remove ALIGN at start of section.
ALIGN address of section instead.
* ld-powerpc/vle-multiseg-2.ld: Likewise.
* ld-powerpc/vle-multiseg-3.ld: Likewise.
* ld-powerpc/vle-multiseg-4.ld: Likewise.
* ld-powerpc/vle-multiseg-6.ld: Likewise.
* ld-scripts/empty-aligned.d: Check section headers not program
headers. Remove xfail and notarget.
* ld-scripts/empty-aligned.t: Use canonical ALIGN for end of .text2.
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After resolving a versioned reference, foo@VER1, to a default versioned
definition, foo@@VER1, from a shared object, we also merge it with
the existing regular default symbol definition, foo. When foo is IFUNC
and foo@@VER1 aren't, we will merge 2 incompatible definitions. This
patch avoids merging foo@@VER1 definition with foo definition if
one is IFUNC and the other isn't.
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This is to avoid expressions like: %hi(foo) + 1, which will
not do what you expect. The complex relocations can handle it,
but the internal fixups can't.
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gdb/
* configure.ac: Call AM_PROG_INSTALL_STRIP.
* configure: Regenerate.
* aclocal.m4: Regenerate.
* Makefile.in (install_sh, INSTALL_STRIP_PROGRAM, STRIP):
New substituted variables.
(install-strip): New target.
(INSTALL_SCRIPT): New substituted variable.
(FLAGS_TO_PASS): Add it.
(install-only): Use $(INSTALL_SCRIPT) rather than
$(INSTALL_PROGRAM) for gcore.
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PARAMS) (VPARAMS, VA_START, VA_OPEN, VA_CLOSE, VA_FIXEDARG, CONST) (VOLATILE, SIGNED, PROTO, EXFUN, DEFUN, DEFUN_VOID, AND, DOTS) (NOARGS): Don't define. * libiberty.h (expandargv, writeargv): Don't use PARAMS. libiberty * _doprint.c (checkit): Use stdarg, not VA_* macros. * asprintf.c (asprintf): Use stdarg, not VA_* macros. * concat.c (concat_length, concat_copy, concat_copy2, concat) (reconcat): Use stdarg, not VA_* macros. * snprintf.c (snprintf): Use stdarg, not VA_* macros. * vasprintf.c (checkit): Use stdarg, not VA_* macros. * vsnprintf.c (checkit): Use stdarg, not VA_* macros.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206881 138bc75d-0d04-0410-961f-82ee72b054a4
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There is nothing linker can do when a type mismatched default definition
are made dynamic by info->shared, info->export_dynamic or h->ref_dynamic.
But we do want to avoid exporting it when building PIE. Let's remove
those checks.
bfd/
PR ld/2404
* elflink.c (_bfd_elf_merge_symbol): Don't check info->shared,
info->export_dynamic, nor !h->ref_dynamic for type mismatch when
adding the default version.
ld/testsuite/
PR ld/2404
* ld-elf/shared.exp: Add a PIE test for PR ld/2404.
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This moves all the bitfields in struct cmd_list_element to be closer
together. This packs the structure somewhat better. On a 64 bit
machine, this simple rearrangement saves around 50k at startup.
2014-01-20 Tom Tromey <tromey@redhat.com>
* cli/cli-decode.h (struct cmd_list_element): Move all bitfields
together.
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This changes various flags struct cmd_list_element into bitfields. In
general I think bitfields are cleaner than flag words, at least in a
case like this where there is no need to pass the flags around
independently of the enclosing struct.
2014-01-20 Tom Tromey <tromey@redhat.com>
* cli/cli-decode.c (add_cmd, deprecate_cmd, add_alias_cmd)
(add_setshow_cmd_full, delete_cmd, lookup_cmd_1)
(deprecated_cmd_warning, complete_on_cmdlist): Update.
* cli/cli-decode.h (CMD_DEPRECATED, DEPRECATED_WARN_USER)
(MALLOCED_REPLACEMENT, DOC_ALLOCATED): Remove.
(struct cmd_list_element) <flags>: Remove.
<cmd_deprecated, deprecated_warn_user, malloced_replacement,
doc_allocated>: New fields.
<hook_in, allow_unknown, abbrev_flag, type, var_type>: Now
bitfields.
* maint.c (maintenance_do_deprecate): Update.
* top.c (execute_command): Update.
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PR ld/2404 was fixed without a testcase. This patch to add one.
PR ld/2404
* ld-elf/pr2404.out: New file.
* ld-elf/pr2404a.c: Likewise.
* ld-elf/pr2404b.c: Likewise.
* ld-elf/shared.exp (build_tests): Build libpr2404a.so and
libpr2404b.a.
(run_tests): Run pr2404.
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Currently, xtensa code using the Linux ptrace interface only include
sys/ptrace.h. This file comes from the C library (glibc and uClibc,
at least), and includes a declaration of the ptrace() functions, along
with some cross architecture constants that are mostly copied from the
file located at include/uapi/linux/ptrace.h in recent Linux kernels.
For xtensa specific constants like PTRACE_GETXTREGS and
PTRACE_SETXTREGS the asm/ptrace.h include from the Linux kernel UAPI
is needed. The code in gdbserver xtensa specific part doesn't call
ptrace() directly, so we can remove the unneeded sys/ptrace.h include.
The gdb xtensa specific code needs both headers, since it calls
ptrace().
gdb/
* xtensa-linux-nat.c: Include asm/ptrace.h.
gdb/gdbserver/
* linux-xtensa-low.c: Include asm/ptrace.h instead of
sys/ptrace.h.
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Modifies ld machinery tracking linker script assignments to notice all
assignments, not just those symbols mentioned in DEFINED().
ld/
PR ld/14962
* ldlang.h (struct lang_definedness_hash_entry): Add by_object and
by_script. Make iteration a single bit field.
(lang_track_definedness, lang_symbol_definition_iteration): Delete.
(lang_symbol_defined): Declare.
* ldlang.c (lang_statement_iteration): Expand comment a little.
(lang_init <lang_definedness_table>): Make it bigger.
(lang_track_definedness, lang_symbol_definition): Delete.
(lang_definedness_newfunc): Update.
(lang_symbol_defined): New function.
(lang_update_definedness): Create entries here. Do track whether
script definition of symbol is valid, even when also defined in
an object file.
* ldexp.c (fold_name <DEFINED>): Update.
(fold_name <NAME>): Allow self-assignment for absolute symbols
defined in a linker script.
ld/testsuite/
* ld-scripts/pr14962-2.d,
* ld-scripts/pr14962-2.t: New test.
* ld-scripts/expr.exp: Run it.
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Tie output section statements to their associated output section via
output section userdata. This allows us to avoid hash lookups which
are slower and fail when multiple output sections have the same name.
* ldlang.h (lang_output_section_get): Define.
* ldlang.c (lang_output_section_get): Likewise.
(init_os): Set the output_section userdata to the output
section statement.
* emultempl/hppaelf.em: Use lang_output_section_get instead of
lang_output_section_find where applicable.
* emultempl/aarch64elf.em: Likewise.
* emultempl/aix.em: Likewise.
* emultempl/armelf.em: Likewise.
* emultempl/m68hc1xelf.em: Likewise.
* emultempl/metagelf.em: Likewise.
* emultempl/mipself.em: Likewise.
* emultempl/ppc64elf.em: Likewise.
* emultempl/spuelf.em: Likewise.
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is intended to house other D language support functions.
gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* Makefile.in (SFILES): Add d-support.c.
(COMMON_OBS): Add d-support.o.
* d-lang.h (d_parse_symbol): Add comment, now defined in
d-support.c.
* d-lang.c (parse_call_convention)
(parse_attributes, parse_function_types)
(parse_function_args, parse_type, parse_identifier)
(call_convention_p, d_parse_symbol): Move functions to ...
* d-support.c: ... New file.
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gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* d-lang.h (d_parse_symbol): Add declaration.
* d-lang.c (extract_identifiers)
(extract_type_info): Remove functions.
(parse_call_convention, parse_attributes)
(parse_function_types, parse_function_args)
(parse_type, parse_identifier, call_convention_p)
(d_parse_symbol): New functions.
(d_demangle): Use d_parse_symbol to demangle D symbols.
gdb/testsuite/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* gdb.dlang/demangle.exp: New file.
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language vector.
gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* d-lang.h (struct builtin_d_type): New data type.
(builtin_d_type): Add declaration.
* d-lang.c (d_language_arch_info, build_d_types)
(builtin_d_type): New functions.
(enum d_primitive_types): New data type.
(d_language_defn): Change c_language_arch_info to
d_language_arch_info.
(d_type_data): New static variable.
(_initialize_d_language): Initialize d_type_data.
gdb/testsuite/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* gdb.dlang/primitive-types.exp: New file.
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gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* d-lang.h (d_main_name): Add declaration.
* d-lang.c (d_main_name): New function.
* symtab.c (find_main_name): Add call to d_main_name.
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macro expansion in its language.
gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* d-lang.c (d_language_defn): Change macro_expansion_c to
macro_expansion_no.
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specific tests.
gdb/testsuite/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* configure.ac: Create gdb.dlang/Makefile.
* configure: Regenerate.
* Makefile.in (ALL_SUBDIRS): Add gdb.dlang.
* gdb.dlang/Makefile.in: New file.
* lib/d-support.exp: New file.
* lib/gdb.exp (skip_d_tests): New proc.
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gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* MAINTAINERS: Add myself as a write-after-approval maintainer.
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While doing something else, I found that those 2 places were incorrectly
declaring a "struct gdb_exception" without using the "volatile" keyword.
This commit fixes that.
2014-01-17 Sergio Durigan Junior <sergiodj@redhat.com>
* breakpoint.c (insert_bp_location): Add "volatile" keyword to "struct
gdb_exception" declaration.
* remote.c (getpkt_or_notif_sane): Likewise.
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* common/gdb_vecs.c (delim_string_to_char_ptr_vec_append): New
function, contents of dirnames_to_char_ptr_vec_append moved here.
(delim_string_to_char_ptr_vec): New function.
(dirnames_to_char_ptr_vec_append): Rewrite.
* common/gdb_vecs.h (delim_string_to_char_ptr_vec): Declare.
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* common/common-utils.h (FUNCTION_NAME): Renamed from ASSERT_FUNCTION,
and moved here ...
* common/gdb_assert.h (ASSERT_FUNCTION): ... from here.
#include "common-utils.h".
(gdb_assert, gdb_assert_fail, gdb_assert_not_reached): Update.
* common/vec.h (VEC_ASSERT_PASS): Update.
* darwin-nat.h: Replace #include of gdb_assert.h with common-utils.h.
(MACH_CHECK_ERROR): Update.
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