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0add4d1b5c
buildscripts/dka64/patches/gcc-9.2.0.patch
Dave Murphy 0add4d1b5c changes for devkitA64 r14
2019-12-11 01:18:57 +00:00

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diff --git a/gcc/config.gcc b/gcc/config.gcc
index ddd3b8f4d9d..014df2e5a59 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -985,6 +985,12 @@ aarch64*-*-elf | aarch64*-*-fuchsia* | aarch64*-*-rtems*)
case $target in
aarch64-*-elf*)
use_gcc_stdint=wrap
+ tm_file="${tm_file} devkitpro.h"
+ tm_defines="${tm_defines} TARGET_DEFAULT_ASYNC_UNWIND_TABLES=1"
+ extra_options="${extra_options} devkitpro.opt"
+ case ${enable_threads} in
+ "" | yes | posix) thread_file='posix' ;;
+ esac
;;
aarch64-*-fuchsia*)
tm_file="${tm_file} fuchsia.h"
diff --git a/gcc/config/aarch64/aarch64-elf-raw.h b/gcc/config/aarch64/aarch64-elf-raw.h
index bbebd0ef029..8f38510402f 100644
--- a/gcc/config/aarch64/aarch64-elf-raw.h
+++ b/gcc/config/aarch64/aarch64-elf-raw.h
@@ -22,6 +22,7 @@
#ifndef GCC_AARCH64_ELF_RAW_H
#define GCC_AARCH64_ELF_RAW_H
+#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
#define ENDFILE_SPEC \
" crtend%O%s crtn%O%s " \
diff --git a/gcc/config/aarch64/aarch64-opts.h b/gcc/config/aarch64/aarch64-opts.h
index 4b07d296a11..037985f1d86 100644
--- a/gcc/config/aarch64/aarch64-opts.h
+++ b/gcc/config/aarch64/aarch64-opts.h
@@ -48,6 +48,12 @@ enum aarch64_tls_type {
TLS_DESCRIPTORS
};
+/* Which thread pointer access sequence to use. */
+enum aarch64_tp_type {
+ TP_HARD,
+ TP_SOFT
+};
+
/* The code model defines the address generation strategy.
Most have a PIC and non-PIC variant. */
enum aarch64_code_model {
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 6b25d9cbfae..39c7026a90c 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -13186,8 +13186,24 @@ aarch64_load_tp (rtx target)
|| !register_operand (target, Pmode))
target = gen_reg_rtx (Pmode);
- /* Can return in any reg. */
- emit_insn (gen_aarch64_load_tp_hard (target));
+ if (TARGET_HARD_TP)
+ {
+ /* Can return in any reg. */
+ emit_insn (gen_aarch64_load_tp_hard (target));
+ }
+ else
+ {
+ /* Always returned in r0. Immediately copy the result into a pseudo,
+ otherwise other uses of r0 (e.g. setting up function arguments) may
+ clobber the value. */
+
+ rtx tmp;
+
+ emit_insn (gen_aarch64_load_tp_soft ());
+
+ tmp = gen_rtx_REG (DImode, R0_REGNUM);
+ emit_move_insn (target, tmp);
+ }
return target;
}
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index fc6df970c2e..705c6de868f 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -1006,6 +1006,10 @@ typedef struct
/* Check TLS Descriptors mechanism is selected. */
#define TARGET_TLS_DESC (aarch64_tls_dialect == TLS_DESCRIPTORS)
+/* Check selected thread pointer access sequence to use. */
+#define TARGET_HARD_TP (target_thread_pointer == TP_HARD)
+#define TARGET_SOFT_TP (target_thread_pointer == TP_SOFT)
+
extern enum aarch64_code_model aarch64_cmodel;
/* When using the tiny addressing model conditional and unconditional branches
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index 5a1894063a1..7c9d9452659 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -6583,11 +6583,22 @@
(define_insn "aarch64_load_tp_hard"
[(set (match_operand:DI 0 "register_operand" "=r")
(unspec:DI [(const_int 0)] UNSPEC_TLS))]
- ""
- "mrs\\t%0, tpidr_el0"
+ "TARGET_HARD_TP"
+ "mrs\\t%0, tpidr_el0\\t// aarch64_load_tp_hard"
[(set_attr "type" "mrs")]
)
+(define_insn "aarch64_load_tp_soft"
+ [(set (reg:DI 0) (unspec:DI [(const_int 0)] UNSPEC_TLS))
+ (clobber (reg:DI IP0_REGNUM))
+ (clobber (reg:DI IP1_REGNUM))
+ (clobber (reg:DI LR_REGNUM))
+ (clobber (reg:CC CC_REGNUM))]
+ "TARGET_SOFT_TP"
+ "bl\\t__aarch64_read_tp\\t// aarch64_load_tp_soft"
+ [(set_attr "type" "branch")]
+)
+
;; The TLS ABI specifically requires that the compiler does not schedule
;; instructions in the TLS stubs, in order to enable linker relaxation.
;; Therefore we treat the stubs as an atomic sequence.
diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt
index 7719c3b6352..cd32a639b16 100644
--- a/gcc/config/aarch64/aarch64.opt
+++ b/gcc/config/aarch64/aarch64.opt
@@ -118,6 +118,21 @@ Enum(aarch64_tls_size) String(32) Value(32)
EnumValue
Enum(aarch64_tls_size) String(48) Value(48)
+mtp=
+Target RejectNegative Joined Enum(aarch64_tp_type) Var(target_thread_pointer) Init(TP_HARD)
+Specify how to access the thread pointer.
+
+Enum
+Name(aarch64_tp_type) Type(enum aarch64_tp_type)
+Valid arguments to -mtp=:
+
+EnumValue
+Enum(aarch64_tp_type) String(hard) Value(TP_HARD)
+
+EnumValue
+Enum(aarch64_tp_type) String(soft) Value(TP_SOFT)
+
+
march=
Target RejectNegative ToLower Joined Var(aarch64_arch_string)
Use features of architecture ARCH.
diff --git a/gcc/config/aarch64/t-aarch64 b/gcc/config/aarch64/t-aarch64
index ee471f8983f..aedaefdd62d 100644
--- a/gcc/config/aarch64/t-aarch64
+++ b/gcc/config/aarch64/t-aarch64
@@ -100,6 +100,8 @@ aarch64-bti-insert.o: $(srcdir)/config/aarch64/aarch64-bti-insert.c \
$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
$(srcdir)/config/aarch64/aarch64-bti-insert.c
-comma=,
-MULTILIB_OPTIONS = $(subst $(comma),/, $(patsubst %, mabi=%, $(subst $(comma),$(comma)mabi=,$(TM_MULTILIB_CONFIG))))
-MULTILIB_DIRNAMES = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
+ comma=,
+MULTILIB_OPTIONS = mcmodel=large fPIC
+MULTILIB_DIRNAMES = large pic
+MULTILIB_REQUIRED = mcmodel=large fPIC
+MULTILIB_MATCHES = fPIC=fpic fPIC=fpie fPIC=fPIE
diff --git a/gcc/config/devkitpro.h b/gcc/config/devkitpro.h
new file mode 100644
index 00000000000..11ba0f5ab1c
--- /dev/null
+++ b/gcc/config/devkitpro.h
@@ -0,0 +1,31 @@
+/* Definitions for devkitPro toolchains.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GCC is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define ("__DEVKITA64__"); \
+ } while (0)
+
+
diff --git a/gcc/config/devkitpro.opt b/gcc/config/devkitpro.opt
new file mode 100644
index 00000000000..9acbbf9d27c
--- /dev/null
+++ b/gcc/config/devkitpro.opt
@@ -0,0 +1,29 @@
+; Options for devkitPro toolchains.
+
+; Copyright (C) 2011-2018 Free Software Foundation, Inc.
+;
+; This file is part of GCC.
+;
+; GCC is free software; you can redistribute it and/or modify it under
+; the terms of the GNU General Public License as published by the Free
+; Software Foundation; either version 3, or (at your option) any later
+; version.
+;
+; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+; WARRANTY; without even the implied warranty of MERCHANTABILITY or
+; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+; for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with GCC; see the file COPYING3. If not see
+; <http://www.gnu.org/licenses/>.
+
+; See the GCC internals manual (options.texi) for a description of
+; this file's format.
+
+; Please try to keep this file in ASCII collating order.
+
+pthread
+Driver
+
+; This comment is to ensure we retain the blank line above.
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 4f57765b012..2899202cc05 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -794,6 +794,11 @@ proper position among the other output files. */
#endif
#endif
+#ifndef LIBGLOSS_SPEC
+# define LIBGLOSS_SPEC "-lsysbase"
+#endif
+
+
/* config.h can define STARTFILE_SPEC to override the default crt0 files. */
#ifndef STARTFILE_SPEC
#define STARTFILE_SPEC \
@@ -1086,6 +1091,7 @@ static const char *link_spec = LINK_SPEC;
static const char *lib_spec = LIB_SPEC;
static const char *link_gomp_spec = "";
static const char *libgcc_spec = LIBGCC_SPEC;
+static const char *libgloss_spec = LIBGLOSS_SPEC;
static const char *endfile_spec = ENDFILE_SPEC;
static const char *startfile_spec = STARTFILE_SPEC;
static const char *linker_name_spec = LINKER_NAME;
@@ -1583,6 +1589,7 @@ static struct spec_list static_specs[] =
INIT_STATIC_SPEC ("lib", &lib_spec),
INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec),
INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
+ INIT_STATIC_SPEC ("libgloss", &libgloss_spec),
INIT_STATIC_SPEC ("startfile", &startfile_spec),
INIT_STATIC_SPEC ("cross_compile", &cross_compile),
INIT_STATIC_SPEC ("version", &compiler_version),
diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
index 4927a9f8977..8311b6a7f5e 100644
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -47,6 +47,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
/* Target machine header files require this define. */
#define IN_LIBGCC2
+#define USED_FOR_TARGET
/* FIXME: Including auto-host is incorrect, but until we have
identified the set of defines that need to go into auto-target.h,
diff --git a/libgcc/gthr.h b/libgcc/gthr.h
index 67826419882..d9f01c6c371 100644
--- a/libgcc/gthr.h
+++ b/libgcc/gthr.h
@@ -136,7 +136,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
/* The pe-coff weak support isn't fully compatible to ELF's weak.
For static libraries it might would work, but as we need to deal
with shared versions too, we disable it for mingw-targets. */
-#ifdef __MINGW32__
+#if defined(__MINGW32__) || defined(__DEVKITA64__)
#undef GTHREAD_USE_WEAK
#define GTHREAD_USE_WEAK 0
#endif
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 1deacb80ca2..0de11c15a3a 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1338,6 +1338,7 @@ ${host_builddir}/gthr.h: ${toplevel_srcdir}/libgcc/gthr.h stamp-${host_alias}
-e '/^#/s/\(${uppercase}${uppercase}*\)/_GLIBCXX_\1/g' \
-e 's/_GLIBCXX_SUPPORTS_WEAK/__GXX_WEAK__/g' \
-e 's/_GLIBCXX___MINGW32_GLIBCXX___/__MINGW32__/g' \
+ -e 's/_GLIBCXX___DEVKITA64_GLIBCXX___/__DEVKITA64__/g' \
-e 's,^#include "\(.*\)",#include <bits/\1>,g' \
< $< > $@
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index bc475c6dd90..bfa3e71898a 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -1817,6 +1817,7 @@ ${host_builddir}/gthr.h: ${toplevel_srcdir}/libgcc/gthr.h stamp-${host_alias}
-e '/^#/s/\(${uppercase}${uppercase}*\)/_GLIBCXX_\1/g' \
-e 's/_GLIBCXX_SUPPORTS_WEAK/__GXX_WEAK__/g' \
-e 's/_GLIBCXX___MINGW32_GLIBCXX___/__MINGW32__/g' \
+ -e 's/_GLIBCXX___DEVKITA64_GLIBCXX___/__DEVKITA64__/g' \
-e 's,^#include "\(.*\)",#include <bits/\1>,g' \
< $< > $@
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