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sync libiberty from gcc

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config/
	Sync from gcc
	2020-07-15  H.J. Lu  <hjl.tools@gmail.com>
	PR bootstrap/96202
	* cet.m4 (GCC_CET_HOST_FLAGS): Don't enable CET without CET
	support in stage1 nor for build support.
libiberty/
	* configure: Regenerate.

	Sync from gcc
	2020-09-08  Alan Modra  <amodra@gmail.com>
	* d-demangle.c: Include limits.h.
	(ULONG_MAX, UINT_MAX): Provide fall-back definition.
	(dlang_number): Simplify and correct overflow test.  Only
	write *ret on returning non-NULL.  Make "ret" an unsigned long*.
	Only succeed for result of [0,UINT_MAX].
	(dlang_decode_backref): Simplify and correct overflow test.
	Only write *ret on returning non-NULL.  Only succeed for
	result [1,MAX_LONG].
	(dlang_backref): Remove now unnecessary range check.
	(dlang_symbol_name_p): Likewise.
	(string_need): Take a size_t n arg, and use size_t tem.
	(string_append): Use size_t n.
	(string_appendn, string_prependn): Take a size_t n arg.
	(TEMPLATE_LENGTH_UNKNOWN): Define as -1UL.
	(dlang_lname, dlang_parse_template): Take an unsigned long len
	arg.
	(dlang_symbol_backref, dlang_identifier, dlang_parse_integer),
	(dlang_parse_integer, dlang_parse_string),
	(dlang_parse_arrayliteral, dlang_parse_assocarray),
	(dlang_parse_structlit, dlang_parse_tuple),
	(dlang_template_symbol_param, dlang_template_args): Use
	unsigned long variables.
	* testsuite/d-demangle-expected: Add new tests.

	2020-08-04  Iain Buclaw  <ibuclaw@gdcproject.org>
	* d-demangle.c (dlang_function_args): Handle 'in' and 'in ref'
	parameter storage classes.
	(dlang_type): Remove identifier type.
	* testsuite/d-demangle-expected: Update tests.

	2020-08-03  Richard Biener  <rguenther@suse.de>
	PR lto/96385
	* simple-object-elf.c
	(simple_object_elf_copy_lto_debug_sections): Localize global
	UNDEFs and reuse the prevailing name.

	2020-07-10  Ian Lance Taylor  <iant@golang.org>
	PR demangler/96143
	* cp-demangle.c (d_lambda): Don't add substitution candidate.
	* testsuite/demangle-expected: Update a few existing test cases
	accordingly, and add a new test case.

	2020-07-04  Jason Merrill  <jason@redhat.com>
	* cp-demangle.c (cplus_demangle_operators): Add di, dx, dX.
	(d_expression_1): Handle di and dX.
	(is_designated_init, d_maybe_print_designated_init): New.
	(d_print_comp_inner): Use d_maybe_print_designated_init.
	* testsuite/demangle-expected: Add designator tests.

	2020-06-25  Nick Clifton  <nickc@redhat.com>
	* bsearch.c (bsearch): Remove use of register keyword.
	* bsearch_r.c (bsearch_r): Likewise.
This commit is contained in:
Alan Modra
2020-09-08 18:57:15 +09:30
parent cac1e71dbd
commit 7ade7fba75
11 changed files with 299 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
config/ChangeLog
View File

@ -1,3 +1,11 @@
2020-09-08 Alan Modra <amodra@gmail.com>
Sync from gcc
2020-07-15 H.J. Lu <hjl.tools@gmail.com>
PR bootstrap/96202
* cet.m4 (GCC_CET_HOST_FLAGS): Don't enable CET without CET
support in stage1 nor for build support.
2020-07-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* largefile.m4 (ACX_LARGEFILE) <sparc-*-solaris*|i?86-*-solaris*>:

23
config/cet.m4
View File

@ -13,7 +13,7 @@ case "$host" in
case "$enable_cet" in
auto)
# Check if target supports multi-byte NOPs
# and if assembler supports CET insn.
# and if compiler and assembler support CET insn.
cet_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fcf-protection"
AC_COMPILE_IFELSE(
@ -70,7 +70,7 @@ case "$host" in
case "$enable_cet" in
auto)
# Check if target supports multi-byte NOPs
# and if assembler supports CET insn.
# and if compiler and assembler support CET.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[],
@ -85,13 +85,26 @@ asm ("setssbsy");
[enable_cet=no])
;;
yes)
# Check if assembler supports CET.
# Check if compiler and assembler support CET.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[],
[asm ("setssbsy");])],
[],
[AC_MSG_ERROR([assembler with CET support is required for --enable-cet])])
[support_cet=yes],
[support_cet=no])
if test $support_cet = "no"; then
if test x$enable_bootstrap != xno \
&& test -z "${with_build_subdir}" \
&& (test ! -f ../stage_current \
|| test `cat ../stage_current` != "stage1"); then
# Require CET support only for the final GCC build.
AC_MSG_ERROR([compiler and assembler with CET support are required for --enable-cet])
else
# Don't enable CET without CET support for non-bootstrap
# build, in stage1 nor for build support.
enable_cet=no
fi
fi
;;
esac
CFLAGS="$cet_save_CFLAGS"