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2016-09-19 Andrew Stubbs <ams@codesourcery.com>
* pex-win32.c (argv_to_cmdline): Quote zero-length parameters.
* testsuite/test-pexecute.c (main): Insert check for zero-length parameters.
2016-09-10 Mark Wielaard <mjw@redhat.com>
* cp-demangle.c (d_substitution): Change struct demangle_component
variable name from c to dc.
2016-08-12 Marek Polacek <polacek@redhat.com>
PR c/7652
* cp-demangle.c (d_print_mod): Add FALLTHRU.
2016-08-04 Marcel B?hme <boehme.marcel@gmail.com>
PR c++/71696
* cplus-dem.c: Prevent infinite recursion when there is a cycle
in the referencing of remembered mangled types.
(work_stuff): New stack to keep track of the remembered mangled
types that are currently being processed.
(push_processed_type): New method to push currently processed
remembered type onto the stack.
(pop_processed_type): New method to pop currently processed
remembered type from the stack.
(work_stuff_copy_to_from): Copy values of new variables.
(delete_non_B_K_work_stuff): Free stack memory.
(demangle_args): Push/Pop currently processed remembered type.
(do_type): Do not demangle a cyclic reference and push/pop
referenced remembered type.
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include * libiberty.h (MAX_ALLOCA_SIZE): New macro.
libiberty * make-relative-prefix.c (make_relative_prefix_1): Fall back to
malloc if alloca argument is greater than MAX_ALLOCA_SIZE.
* cp-demangle.c (cplus_demangle_operators): Add f[lrLR].
(d_expression_1): Handle them.
(d_maybe_print_fold_expression): New.
(d_print_comp_inner): Use it.
(d_index_template_argument): Handle negative index.
* cp-demangle.c (cplus_demangle_operators): Add sP and sZ.
(d_print_comp_inner): Handle them.
(d_template_args_1): Split out from d_template_args.
(d_args_length): New.
PR c++/70926
* cplus-dem.c: Handle large values and overflow when demangling
length variables.
(demangle_template_value_parm): Read only until end of mangled string.
(do_hpacc_template_literal): Likewise.
(do_type): Handle overflow when demangling array indices.
* cp-demangle.c (cplus_demangle_print_callback): Avoid zero-length
VLAs.
PR c++/70498
* cp-demangle.c (d_expression_1): Formatting fix.
* cplus-dem.c (enum type_kind_t): Add tk_rvalue_reference
constant.
(demangle_template_value_parm): Handle tk_rvalue_reference
type kind.
(do_type): Support 'O' type id (rvalue references).
* testsuite/demangle-expected: Add tests.
PR c++/70498
* cp-demangle.c: Parse numbers as integer instead of long to avoid
overflow after sanity checks. Include <limits.h> if available.
(INT_MAX): Define if necessary.
(d_make_template_param): Takes integer argument instead of long.
(d_make_function_param): Likewise.
(d_append_num): Likewise.
(d_identifier): Likewise.
(d_number): Parse as and return integer.
(d_compact_number): Handle overflow.
(d_source_name): Change variable type to integer for parsed number.
(d_java_resource): Likewise.
(d_special_name): Likewise.
(d_discriminator): Likewise.
(d_unnamed_type): Likewise.
* testsuite/demangle-expected: Add regression test cases.
* configure: Remove SH5 support.
PR c++/69687
* cplus-dem.c: Include <limits.h> if available.
(INT_MAX): Define if necessary.
(remember_type, remember_Ktype, register_Btype, string_need):
Abort if we detect cases where we the size of the allocation would
overflow.
PR c++/70492
* cplus-dem.c (gnu_special): Handle case where consume_count returns
-1.
PR c++/67394
PR c++/70481
* cplus-dem.c (squangle_mop_up): Zero bsize/ksize after freeing
btypevec/ktypevec.
* testsuite/demangle-expected: Add coverage tests.
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* xmemdup.c (xmemdup): Use xmalloc rather than xcalloc.
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libiberty/ChangeLog:
* d-demangle.c (dlang_call_convention): Handle extern Objective-C
function calling convention.
(dlang_call_convention_p): Likewise.
(dlang_type): Likewise.
* testsuite/d-demangle-expected: Add coverage tests.
* d-demangle.c (dlang_function_args): Append ',' for variadic functions
only if parameters were seen before the elipsis symbol.
* testsuite/d-demangle-expected: Add coverage test for parameter-less
variadic functions.
* d-demangle.c (dlang_type): Handle function types only in the context
of seeing a pointer type symbol.
* testsuite/d-demangle-expected: Update function pointer tests.
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Would be more useful if we could use "const char * const *", but there's
a long standing bug where gcc warns about incompatible pointers when you
try to pass in "char **". We can at least constify the array itself as
gcc will not warn in that case.
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This func is basically open coding the xstrdup function, so gut it
and use it directly.
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In some places the xcrc32 documentation refers to GDB's own crc32
implementation, but GDB no longer has its own crc32 implementation.
It now uses libiberty's xcrc32 throughout. So this patch removes
these references to GDB's now-nonexistent crc32 implementation.
Also, there appears to be a bug in the table-generation program embedded
within the documentation. When the variable "int i" is >= 128, the
computation "i << 24" shifts a one bit into the sign bit (assuming a
32-bit int), which is UB. To avoid this UB, I think it is sufficient to
make the induction variables i and j have type unsigned int. This bug
seems latent, however. I ran the program before and after this change
and the table output is the same.
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GCC PR 66827 reports some problems with left shifting a negative
value:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66827
Of the problems reported only two remain - in libiberty/regex.c:
libiberty/regex.c:6970:11: runtime error: left shift of negative value -1
libiberty/regex.c:7165:4: runtime error: left shift of negative value -1
The patch below fixes these errors by casting the value to be shifted
to unsigned before the shift occurs.
No regressions were found in the libiberty testsuite or bootstrapping
gcc (on an x86_64 target).
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The fix for bug 59195:
[C++ demangler handles conversion operator incorrectly]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59195
unfortunately makes the demangler crash due to infinite recursion, in
case of casts in template parameters.
For example, with:
template<int> struct A {};
template <typename Y> void function_temp(A<sizeof ((Y)(999))>) {}
template void function_temp<int>(A<sizeof (int)>);
The 'function_temp<int>' instantiation above mangles to:
_Z13function_tempIiEv1AIXszcvT_Li999EEE
The demangler parses this as:
typed name
template
name 'function_temp'
template argument list
builtin type int
function type
builtin type void
argument list
template (*)
name 'A'
template argument list
unary operator
operator sizeof
unary operator
cast
template parameter 0 (**)
literal
builtin type int
name '999'
And after the fix for 59195, due to:
static void
d_print_cast (struct d_print_info *dpi, int options,
const struct demangle_component *dc)
{
...
/* For a cast operator, we need the template parameters from
the enclosing template in scope for processing the type. */
if (dpi->current_template != NULL)
{
dpt.next = dpi->templates;
dpi->templates = &dpt;
dpt.template_decl = dpi->current_template;
}
when printing the template argument list of A (what should be "<sizeof
(int)>"), the template parameter 0 (that is, "T_", the '**' above) now
refers to the first parameter of the the template argument list of the
'A' template (the '*' above), exactly what we were already trying to
print. This leads to infinite recursion, and stack exaustion. The
template parameter 0 should actually refer to the first parameter of
the 'function_temp' template.
Where it reads "for the cast operator" in the comment in d_print_cast
(above), it's really talking about a conversion operator, like:
struct A { template <typename U> explicit operator U(); };
We don't want to inject the template parameters from the enclosing
template in scope when processing a cast _expression_, only when
handling a conversion operator.
The problem is that DEMANGLE_COMPONENT_CAST is currently ambiguous,
and means _both_ 'conversion operator' and 'cast expression'.
Fix this by adding a new DEMANGLE_COMPONENT_CONVERSION component type,
which does what DEMANGLE_COMPONENT_CAST does today, and making
DEMANGLE_COMPONENT_CAST just simply print its component subtree.
I think we could instead reuse DEMANGLE_COMPONENT_CAST and in
d_print_comp_inner still do:
@@ -5001,9 +5013,9 @@ d_print_comp_inner (struct d_print_info *dpi, int options,
d_print_comp (dpi, options, dc->u.s_extended_operator.name);
return;
case DEMANGLE_COMPONENT_CAST:
d_append_string (dpi, "operator ");
- d_print_cast (dpi, options, dc);
+ d_print_conversion (dpi, options, dc);
return;
leaving the unary cast case below calling d_print_cast, but seems to
me that spliting the component types makes it easier to reason about
the code.
g++'s testsuite actually generates three symbols that crash the
demangler in the same way. I've added those as tests in the demangler
testsuite as well.
And then this fixes PR other/61233 too, which happens to be a
demangler crash originally reported to GDB, at:
https://sourceware.org/bugzilla/show_bug.cgi?id=16957
Bootstrapped and regtested on x86_64 Fedora 20.
Also ran this through GDB's testsuite. GDB will require a small
update to use DEMANGLE_COMPONENT_CONVERSION in one place it's using
DEMANGLE_COMPONENT_CAST in its sources.
libiberty/
2015-11-27 Pedro Alves <palves@redhat.com>
PR other/61321
PR other/61233
* demangle.h (enum demangle_component_type)
<DEMANGLE_COMPONENT_CONVERSION>: New value.
* cp-demangle.c (d_demangle_callback, d_make_comp): Handle
DEMANGLE_COMPONENT_CONVERSION.
(is_ctor_dtor_or_conversion): Handle DEMANGLE_COMPONENT_CONVERSION
instead of DEMANGLE_COMPONENT_CAST.
(d_operator_name): Return a DEMANGLE_COMPONENT_CONVERSION
component if handling a conversion.
(d_count_templates_scopes, d_print_comp_inner): Handle
DEMANGLE_COMPONENT_CONVERSION.
(d_print_comp_inner): Handle DEMANGLE_COMPONENT_CONVERSION instead
of DEMANGLE_COMPONENT_CAST.
(d_print_cast): Rename as ...
(d_print_conversion): ... this. Adjust comments.
(d_print_cast): Rewrite - simply print the left subcomponent.
* cp-demint.c (cplus_demangle_fill_component): Handle
DEMANGLE_COMPONENT_CONVERSION.
* testsuite/demangle-expected: Add tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231020 138bc75d-0d04-0410-961f-82ee72b054a4
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* Makefile.in (etags tags TAGS): Use && instead of ;.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230270 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/c/
* Make-lang.in (c.tags): Also include libcpp TAGS.
gcc/cp/
* Make-lang.in (c++.tags): Also include libcpp TAGS.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229504 138bc75d-0d04-0410-961f-82ee72b054a4
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include/
Roland McGrath <roland@gnu.org>
PR other/63758
* environ.h: New file.
libiberty/
Roland McGrath <roland@gnu.org>
Iain Sandoe <iain@codesourcery.com>
PR other/63758
* pex-unix.c: Obtain the environment interface from settings in environ.h
rather than in-line code. Update copyright date.
* setenv.c: Likewise.
* xmalloc.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228942 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* builtins.def (BUILT_IN_ABORT): Add transaction_pure attribute.
gcc/c-family/
* c-common.c (c_common_reswords): Add C++ TM TS keywords.
(c_common_attribute_table): Add transaction_safe_dynamic.
transaction_safe now affects type identity.
(handle_tm_attribute): Handle transaction_safe_dynamic.
* c-common.h (enum rid): Add RID_ATOMIC_NOEXCEPT,
RID_ATOMIC_CANCEL, RID_SYNCHRONIZED.
(OBJC_IS_CXX_KEYWORD): Add RID_SYNCHRONIZED.
(D_TRANSMEM): New.
* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_transactional_memory.
* c-pretty-print.c (pp_c_attributes_display): Don't print
transaction_safe in C++.
gcc/c/
* c-parser.c (c_lex_one_token): Handle @synchronized.
* c-decl.c (match_builtin_function_types): A declaration of a built-in
can change whether the function is transaction_safe.
gcc/cp/
* cp-tree.h (struct cp_declarator): Add tx_qualifier field.
(BCS_NORMAL, BCS_TRANSACTION): New enumerators.
* lex.c (init_reswords): Limit TM kewords to -fgnu-tm.
* parser.c (cp_lexer_get_preprocessor_token): Fix @synchronized.
(make_call_declarator): Take tx_qualifier.
(cp_parser_tx_qualifier_opt): New.
(cp_parser_lambda_declarator_opt): Use it.
(cp_parser_direct_declarator): Likewise.
(cp_parser_statement): Handle atomic_noexcept, atomic_cancel.
(cp_parser_compound_statement): Change in_try parameter to bcs_flags.
(cp_parser_std_attribute): Map optimize_for_synchronized to
transaction_callable.
(cp_parser_transaction): Take the token. Handle atomic_noexcept.
* lambda.c (maybe_add_lambda_conv_op): Handle transaction-safety.
* call.c (enum conversion_kind): Add ck_tsafe.
(standard_conversion): Handle transaction-safety conversion.
(convert_like_real, resolve_address_of_overloaded_function): Likewise.
(check_methods): Diagnose transaction_safe_dynamic on non-virtual
function.
(look_for_tm_attr_overrides): Don't inherit transaction_safe_dynamic.
* cvt.c (tx_safe_fn_type_p, tx_unsafe_fn_variant)
(can_convert_tx_safety): New.
* typeck.c (composite_pointer_type): Handle transaction-safety.
* name-lookup.h (enum scope_kind): Add sk_transaction.
* name-lookup.c (begin_scope): Handle it.
* semantics.c (begin_compound_stmt): Pass it.
* decl.c (check_previous_goto_1): Check it.
(struct named_label_entry): Add in_transaction_scope.
(poplevel_named_label_1): Set it.
(check_goto): Check it.
(duplicate_decls): A specialization can be transaction_safe
independently of its template.
(grokdeclarator): Handle tx-qualifier.
* rtti.c (ptr_initializer): Handle transaction-safe.
* search.c (check_final_overrider): Check transaction_safe_dynamic.
Don't check transaction_safe.
* mangle.c (write_function_type): Mangle transaction_safe here.
(write_CV_qualifiers_for_type): Not here.
(write_type): Preserve transaction_safe when stripping attributes.
* error.c (dump_type_suffix): Print transaction_safe.
libiberty/
* cp-demangle.c (d_cv_qualifiers): Dx means transaction_safe.
(cplus_demangle_type): Let d_cv_qualifiers handle it.
(d_dump, d_make_comp, has_return_type, d_encoding)
(d_count_templates_scopes, d_print_comp_inner)
(d_print_mod_list, d_print_mod, d_print_function_type)
(is_ctor_or_dtor): Handle DEMANGLE_COMPONENT_TRANSACTION_SAFE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228462 138bc75d-0d04-0410-961f-82ee72b054a4
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libiberty/
* cp-demangle.c (d_dump): Fix syntax error.
(d_identifier): Adjust type of len to match d_source_name.
(d_expression_1): Fix out-of-bounds access. Check code variable for
NULL before dereferencing it.
(d_find_pack): Do not recurse for FIXED_TYPE, DEFAULT_ARG and NUMBER.
(d_print_comp_inner): Add NULL pointer check.
* cp-demangle.h (d_peek_next_char): Define as inline function when
CHECK_DEMANGLER is defined.
(d_advance): Likewise.
* testsuite/demangle-expected: Add new testcases.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225727 138bc75d-0d04-0410-961f-82ee72b054a4
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C++" warning
* getruntime.c (RUSAGE_SELF): Define if not already defined.
(get_runtime): Use RUSAGE_SELF as argument 1 of getrusage call.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225614 138bc75d-0d04-0410-961f-82ee72b054a4
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C++" warning
* getruntime.c (get_run_time) [__USE_GNU]: Use RUSAGE_SELF as
argument 1 of getrusage call.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225534 138bc75d-0d04-0410-961f-82ee72b054a4
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Provides defines used to determine whether glibc obstacks are
compatible. Generally speaking, 32-bit targets won't need to use
obstack.o from libiberty if glibc is used, while 64-bit targets will,
until glibc gets the new obstack code.
libiberty/
* configure.ac: Get size of size_t.
* config.in: Regenerate.
* configure: Regenerate.
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Fixes
warning: request for implicit conversion from ‘void *’ to ‘struct _obstack_chunk *’ not permitted in C++ [-Wc++-compat]
I moved the assignment to h->chunk to fix an overlong line, then
decided it would be better after the alloc failure check just to do
things the same way as in _obstack_newchunk.
* obstack.c (_obstack_newchunk): Silence -Wc++compat warning.
(_obstack_begin_worker): Likewise. Move assignment to h->chunk
after alloc failure check.
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Using the standard gnulib obstack source requires importing quite a
lot of other files from gnulib, and requires build changes.
include/
PR gdb/17133
* obstack.h (__attribute_pure__): Expand _GL_ATTRIBUTE_PURE.
libiberty/
PR gdb/17133
* obstack.c (__alignof__): Expand alignof_type from alignof.h.
(obstack_exit_failure): Don't use exitfail.h.
(_): Include libintl.h when HAVE_LIBINTL_H and nls enabled.
Provide default. Don't include gettext.h.
(_Noreturn): Define.
* obstacks.texi: Adjust node references to external libc info files.
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This copies obstack.[ch] from gnulib, and updates the docs. The next
patch should be applied if someone repeats the import at a later date.
include/
PR gdb/17133
* obstack.h: Import current gnulib file.
libiberty/
PR gdb/17133
* obstack.c: Import current gnulib file.
* obstacks.texi: Updated doc, from glibc's manual/memory.texi.
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Building libiberty on Android currently fails with the error message
shown below. This was discovered by trying to build GDBserver
for Android, which stopped building after libiberty became
a GDBserver dependency.
Here is the error message:
[...]/getpagesize.c:64:1: error: redefinition of 'getpagesize'
In file included from /[...]/getpagesize.c:34:0:
/[...]/usr/include/unistd.h:171:23: note: previous definition of 'getpagesize' was here
And looking at the definition, one can see that it defined as
a static inline function...
static __inline__ int getpagesize(void) {
extern unsigned int __page_size;
return __page_size;
}
... which explains why the AC_CHECK_FUNCS test failed to detect
the function, since there is no associated symbol to be linked in.
This patch prevents getpagesize.c to be compiled in by hard-coding
the fact that getpagesize is available on android hosts.
libiberty/ChangeLog:
* configure.ac: Set AC_CV_FUNC_GETPAGESIZE to "yes" on
Android hosts.
* configure: Regenerate.
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repository.
. 2015-08-23 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
PR libfortran/54572
* Makefile.def: Make libgfortran depend on libbacktrace.
* Makefile.in: Regenerate.
2015-08-12 Tom de Vries <tom@codesourcery.com>
PR other/67092
PR other/67098
* configure.ac: Remove --with_host_libstdcxx support.
* configure: Regenerate.
2015-08-10 Thomas Schwinge <thomas@codesourcery.com>
Jakub Jelinek <jakub@redhat.com>
* configure.ac (noconfigdirs): Don't add "target-libgomp" for target
nvptx*-*-*.
* configure: Regenerate.
include 2015-08-14 Pierre-Marie de Rodat <derodat@adacore.com>
* dwarf2.def (DW_AT_GNU_bias): New attribute.
2015-08-14 Pierre-Marie de Rodat <derodat@adacore.com>
* dwarf2.def (DW_AT_GNU_numerator, DW_AT_GNU_denominator): New
attributes.
libiberty 2015-08-15 Ian Lance Taylor <iant@google.com>
* cp-demangle.c (d_abi_tags): Preserve di->last_name across any
ABI tags.
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Test symbols did not demangle as per the d-demangle-expected tests because
strtod() on Solaris 9 does not accept hexadecimal numbers.
This has now been fixed up so that no attempt at formatting/converting the
demangled hexadecimal literals are done.
libiberty/ChangeLog:
2015-08-11 Iain Buclaw <ibuclaw@gdcproject.org>
* d-demangle.c (dlang_parse_real): Remove call to strtod.
(strtod): Remove declaration.
* testsuite/d-demangle-expected: Update float and complex literal
tests to check correct hexadecimal demangling.
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config/
Sync with GCC
2015-05-27 Jason Merrill <jason@redhat.com>
PR bootstrap/66304
* warnings.m4 (ACX_PROG_CXX_WARNING_OPTS)
(ACX_PROG_CXX_WARNINGS_ARE_ERRORS)
(ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC): New.
(ACX_PROG_CC_WARNING_OPTS, ACX_PROG_CC_WARNING_ALMOST_PEDANTIC)
(ACX_PROG_CC_WARNINGS_ARE_ERRORS): Push into C language context.
libdecnumber/
* configure: Regenerated.
libiberty/
* configure: Regenerated.
opcodes/
* configure: Regenerated.
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Attempting to build libiberty on LynxOS-178 fails trying to compile
mkstemps.c with the following error:
mkstemps.c:84:18: error: storage size of 'tv' isn't known
struct timeval tv;
^
This file would normally include <sys/time.h> to get the type's
definition, but unfortunately LynxOS-178 does not want us to use
<sys/time.h>, only <time.h>. The configure script correctly finds
this out and generates a config.h file where HAVE_SYS_TIME_H is
undefined:
/* Define to 1 if you have the <sys/time.h> header file. */
/* #undef HAVE_SYS_TIME_H */
This patch fixes the build issue by falling back on including <time.h>
if <sys/time.h> could not be included (and provided that HAVE_TIME_H
is defined, of course).
libiberty/ChangeLog:
* mkstemps.c: #include <time.h> if HAVE_TIME_H is defined
but not HAVE_SYS_TIME_H.
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Otherwise, it causes a build warning on some platforms such as MinGW.
libiberty/ChangeLog (Eli Zaretskii <eliz@gnu.org>):
* setenv.c <environ>: Declare only if not a macro.
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This fixes a MinGW warning in libiberty/strerror.c.
2015-01-19 Eli Zaretskii <eliz@gnu.org>
* strerror.c <sys_nerr, sys_errlist>: Declare only if they aren't
macros.
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* sigsetmask.c (_POSIX_SOURCE): Remove.
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strtold is currently used to decode templates which have a floating-point
value encoded inside; but this routine is not available on some systems,
such as Solaris 2.9 for instance.
This patch fixes the issue by replace the use of strtold by strtod.
It reduces a bit the precision, but it should still remain acceptable
in most cases.
libiberty/ChangeLog:
* d-demangle.c: Replace strtold with strtod in global comment.
(strtold): Remove declaration.
(strtod): New declaration.
(dlang_parse_real): Declare value as double instead of long
double. Replace call to strtold by call to strtod.
Update format in call to snprintf.
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include/ChangeLog
* libiberty.h (PEX_STDOUT_APPEND): New flag.
(PEX_STDERR_APPEND): Likewise.
* demangle.h (DMGL_DLANG): New macro.
(DMGL_STYLE_MASK): Add DMGL_DLANG.
(demangling_styles): Add dlang_demangling.
(DLANG_DEMANGLING_STYLE_STRING): New macro.
(DLANG_DEMANGLING): New macro.
(dlang_demangle): New prototype.
* longlong.h: Add __udiv_w_sdiv prototype.
libiberty/ChangeLog
* cp-demangle.c (d_substitution): Handle abi tags on abbreviation.
* pex-common.h (struct pex_funcs): Add new parameter for open_write field.
* pex-unix.c (pex_unix_open_write): Add support for new parameter.
* pex-djgpp.c (pex_djgpp_open_write): Likewise.
* pex-win32.c (pex_win32_open_write): Likewise.
* pex-common.c (pex_run_in_environment): Likewise.
* Makefile.in (CFILES): Add d-demangle.c.
(REQUIRED_OFILES): Add d-demangle.o.
* cplus-dem.c (libiberty_demanglers): Add dlang_demangling case.
(cplus_demangle): Likewise.
* d-demangle.c: New file.
* testsuite/Makefile.in (really-check): Add check-d-demangle.
* testsuite/d-demangle-expected: New file.
* simple-object-elf.c (simple_object_elf_write_ehdr): Correctly
handle objects with more than SHN_LORESERVE sections.
(simple_object_elf_write_shdr): Add sh_link parameter.
(simple_object_elf_write_to_file): Correctly handle objects with
more than SHN_LORESERVE sections.
* cp-demangle.c (d_dump): Only access field from s_fixed part of
the union for DEMANGLE_COMPONENT_FIXED_TYPE.
(d_count_templates_scopes): Likewise.
* testsuite/demangler-fuzzer.c: New file.
* testsuite/Makefile.in (fuzz-demangler): New rule.
(demangler-fuzzer): Likewise.
(mostlyclean): Clean up demangler fuzzer.
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A call to demangle_template might allocate storage within a temporary
string even if the call to demangle_template eventually returns
failure.
This will never cause the demangler to crash, but does leak memory, as
a result I've not added any tests for this.
Calling string_delete is safe, even if nothing is allocated into the
string, the string is initialised with string_init, so we know the
internal pointers are NULL.
libiberty/ChangeLog
* cplus-dem.c (do_type): Call string_delete even if the call to
demangle_template fails.
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* pex-win32.c (argv_to_cmdline): Don't quote
args unnecessarily.
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Running the demangler's testsuite with CP_DEMANGLE_DEBUG defined
crashes, with:
Program received signal SIGSEGV, Segmentation fault.
0x000000000040a8c3 in d_dump (dc=0x1, indent=12) at ../../src/libiberty/cp-demangle.c:567
567 switch (dc->type)
(gdb) bt 3
#0 0x000000000040a8c3 in d_dump (dc=0x1, indent=12) at ../../src/libiberty/cp-demangle.c:567
#1 0x000000000040ae47 in d_dump (dc=0x7fffffffd098, indent=10) at ../../src/libiberty/cp-demangle.c:787
#2 0x000000000040ae47 in d_dump (dc=0x7fffffffd0c8, indent=8) at ../../src/libiberty/cp-demangle.c:787
Note dc=0x1, which is obviously a bogus pointer. This is the end of
d_dump recursing for a component type that that doesn't actually have
subtrees:
787 d_dump (d_left (dc), indent + 2);
788 d_dump (d_right (dc), indent + 2);
This fixes the two cases the testsuite currently trips on.
libiberty/
2014-05-28 Pedro Alves <palves@redhat.com>
* cp-demangle.c (d_dump): Handle DEMANGLE_COMPONENT_FUNCTION_PARAM
and DEMANGLE_COMPONENT_NUMBER.
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libiberty/
* testsuite/demangle-expected: Fix last commit.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210803 138bc75d-0d04-0410-961f-82ee72b054a4
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libiberty/
2014-05-14 Andrew Burgess <aburgess@broadcom.com>
* cplus-dmem.c (internal_cplus_demangle): Free any resources
allocated by possible previous call to gnu_special.
(squangle_mop_up): Reset pointers to NULL after calling free.
* testsuite/demangle-expected: New test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210425 138bc75d-0d04-0410-961f-82ee72b054a4
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* cp-demangle.c (struct d_component_stack): New structure.
(struct d_print_info): New field component_stack.
(d_print_init): Initialize the above.
(d_print_comp_inner): Renamed from d_print_comp.
Do not restore template stack if it would cause a loop.
(d_print_comp): New function.
* testsuite/demangle-expected: New test cases.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210205 138bc75d-0d04-0410-961f-82ee72b054a4
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-fsanitize=address. (liblto_plugin_la_LIBADD, liblto_plugin_la_LDFLAGS, liblto_plugin_la_DEPENDENCIES): Prefer ../libiberty/noasan/libiberty.a over ../libiberty/pic/libiberty.a if the former exists. * Makefile.in: Regenerated. libiberty/ * maint-tool: Also emit rule for noasan/ subdirectory. * configure.ac (NOASANFLAG): Set and substitute. * Makefile.in: Regenerated. (NOASANFLAG): Set. (all, $(TARGETLIB), mostlyclean): Handle noasan subdir like pic subdir. (stamp-noasandir): New goal. * configure: Regenerated.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209476 138bc75d-0d04-0410-961f-82ee72b054a4
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libiberty/
* simple-object.c (simple_object_internal_write): Handle
EINTR and short writes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208972 138bc75d-0d04-0410-961f-82ee72b054a4
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libiberty/
* simple-object.c (simple_object_internal_read): Handle
EINTR and short reads.
lto-plugin/
* lto-plugin.c (process_symtab): Handle EINTR and short reads.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208898 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208558 138bc75d-0d04-0410-961f-82ee72b054a4
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the call to memcpy to (void) to avoid unused value warnings.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208553 138bc75d-0d04-0410-961f-82ee72b054a4
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libiberty/
* cp-demangle.c (d_demangle_callback): Put an abort call in place,
to help the compiler.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207200 138bc75d-0d04-0410-961f-82ee72b054a4
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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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Commit 199570 fixed the --disable-install-libiberty behavior, but it also
added a bug where the enable path never works because the initial clear
of target_header_dir wasn't deleted. So we end up initializing properly
at the top only to reset it at the end all the time.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206367 138bc75d-0d04-0410-961f-82ee72b054a4
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libiberty/ 2014-01-06 Gary Benson <gbenson@redhat.com>
* cp-demangle.c (struct d_print_info): New fields
next_saved_scope, copy_templates, next_copy_template and
num_copy_templates.
(d_count_templates): New function.
(d_print_init): New parameter "dc".
Estimate numbers of templates and scopes required.
(d_print_free): Removed function.
(cplus_demangle_print_callback): Allocate stack for
templates and scopes. Removed call to d_print_free.
(d_copy_templates): Removed function.
(d_save_scope): New function.
(d_get_saved_scope): Likewise.
(d_print_comp): Replace state saving/restoring code with
calls to d_save_scope and d_get_saved_scope.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206362 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/41090
Add -fdeclone-ctor-dtor.
include/
* demangle.h (enum gnu_v3_ctor_kinds):
Added literal gnu_v3_unified_ctor.
(enum gnu_v3_ctor_kinds):
Added literal gnu_v3_unified_dtor.
libiberty/
* cp-demangle.c (cplus_demangle_fill_ctor,cplus_demangle_fill_dtor):
Handle unified ctor/dtor.
(d_ctor_dtor_name): Handle unified ctor/dtor.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206182 138bc75d-0d04-0410-961f-82ee72b054a4
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