mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-22 14:12:26 +00:00
175 lines
5.5 KiB
Diff
175 lines
5.5 KiB
Diff
From 70c2cb98fb129b4766b5da0f945dc41fd568c77a Mon Sep 17 00:00:00 2001
|
|
From: Max Filippov <jcmvbkbc@gmail.com>
|
|
Date: Sat, 22 Aug 2015 08:44:26 +0300
|
|
Subject: [PATCH] xtensa: add uclinux support
|
|
|
|
2015-10-03 Max Filippov <jcmvbkbc@gmail.com>
|
|
gcc/
|
|
* config.gcc (xtensa*-*-uclinux*): New configuration.
|
|
* config/xtensa/uclinux.h: New file.
|
|
* config/xtensa/uclinux.opt: New file.
|
|
|
|
libgcc/
|
|
* config.host (xtensa*-*-uclinux*): New configuration.
|
|
|
|
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
|
|
---
|
|
Backported from: r228450
|
|
|
|
gcc/config.gcc | 5 ++++
|
|
gcc/config/xtensa/uclinux.h | 69 +++++++++++++++++++++++++++++++++++++++++++
|
|
gcc/config/xtensa/uclinux.opt | 32 ++++++++++++++++++++
|
|
libgcc/config.host | 5 ++++
|
|
4 files changed, 111 insertions(+)
|
|
create mode 100644 gcc/config/xtensa/uclinux.h
|
|
create mode 100644 gcc/config/xtensa/uclinux.opt
|
|
|
|
diff --git a/gcc/config.gcc b/gcc/config.gcc
|
|
index c52f5a8..56797bd 100644
|
|
--- a/gcc/config.gcc
|
|
+++ b/gcc/config.gcc
|
|
@@ -2995,6 +2995,11 @@ xtensa*-*-linux*)
|
|
tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h xtensa/linux.h"
|
|
tmake_file="${tmake_file} xtensa/t-xtensa"
|
|
;;
|
|
+xtensa*-*-uclinux*)
|
|
+ tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h xtensa/uclinux.h"
|
|
+ tmake_file="${tmake_file} xtensa/t-xtensa"
|
|
+ extra_options="${extra_options} xtensa/uclinux.opt"
|
|
+ ;;
|
|
am33_2.0-*-linux*)
|
|
tm_file="mn10300/mn10300.h dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h mn10300/linux.h"
|
|
gas=yes gnu_ld=yes
|
|
diff --git a/gcc/config/xtensa/uclinux.h b/gcc/config/xtensa/uclinux.h
|
|
new file mode 100644
|
|
index 0000000..4606020
|
|
--- /dev/null
|
|
+++ b/gcc/config/xtensa/uclinux.h
|
|
@@ -0,0 +1,69 @@
|
|
+/* Xtensa uClinux configuration.
|
|
+ Derived from the configuration for GCC for Intel i386 running Linux.
|
|
+ Copyright (C) 2001-2015 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/>. */
|
|
+
|
|
+#undef TARGET_OS_CPP_BUILTINS
|
|
+#define TARGET_OS_CPP_BUILTINS() \
|
|
+ do \
|
|
+ { \
|
|
+ GNU_USER_TARGET_OS_CPP_BUILTINS (); \
|
|
+ builtin_define ("__uClinux__"); \
|
|
+ } \
|
|
+ while (0)
|
|
+
|
|
+#undef SUBTARGET_CPP_SPEC
|
|
+#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
|
+
|
|
+#undef SIZE_TYPE
|
|
+#define SIZE_TYPE "unsigned int"
|
|
+
|
|
+#undef PTRDIFF_TYPE
|
|
+#define PTRDIFF_TYPE "int"
|
|
+
|
|
+#undef WCHAR_TYPE
|
|
+#define WCHAR_TYPE "long int"
|
|
+
|
|
+#undef WCHAR_TYPE_SIZE
|
|
+#define WCHAR_TYPE_SIZE 32
|
|
+
|
|
+#undef ASM_SPEC
|
|
+#define ASM_SPEC \
|
|
+ "%{mtext-section-literals:--text-section-literals} \
|
|
+ %{mno-text-section-literals:--no-text-section-literals} \
|
|
+ %{mtarget-align:--target-align} \
|
|
+ %{mno-target-align:--no-target-align} \
|
|
+ %{mlongcalls:--longcalls} \
|
|
+ %{mno-longcalls:--no-longcalls} \
|
|
+ %{mauto-litpools:--auto-litpools} \
|
|
+ %{mno-auto-litpools:--no-auto-litpools}"
|
|
+
|
|
+#undef LINK_SPEC
|
|
+#define LINK_SPEC "%{!no-elf2flt:%{!elf2flt*:-elf2flt}}"
|
|
+
|
|
+#undef LOCAL_LABEL_PREFIX
|
|
+#define LOCAL_LABEL_PREFIX "."
|
|
+
|
|
+/* Always enable "-fpic" for Xtensa Linux. */
|
|
+#define XTENSA_ALWAYS_PIC 1
|
|
+
|
|
+#undef TARGET_LIBC_HAS_FUNCTION
|
|
+#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
|
|
+
|
|
+#undef DBX_REGISTER_NUMBER
|
|
+
|
|
diff --git a/gcc/config/xtensa/uclinux.opt b/gcc/config/xtensa/uclinux.opt
|
|
new file mode 100644
|
|
index 0000000..95ef777
|
|
--- /dev/null
|
|
+++ b/gcc/config/xtensa/uclinux.opt
|
|
@@ -0,0 +1,32 @@
|
|
+; Xtensa uClinux options.
|
|
+
|
|
+; Copyright (C) 2015 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.
|
|
+
|
|
+elf2flt
|
|
+Driver
|
|
+
|
|
+elf2flt=
|
|
+Driver JoinedOrMissing
|
|
+
|
|
+; This comment is to ensure we retain the blank line above.
|
|
diff --git a/libgcc/config.host b/libgcc/config.host
|
|
index 2c64756..2ee92c1 100644
|
|
--- a/libgcc/config.host
|
|
+++ b/libgcc/config.host
|
|
@@ -1295,6 +1295,11 @@ xtensa*-*-linux*)
|
|
tmake_file="$tmake_file xtensa/t-xtensa xtensa/t-linux t-slibgcc-libgcc"
|
|
md_unwind_header=xtensa/linux-unwind.h
|
|
;;
|
|
+xtensa*-*-uclinux*)
|
|
+ tmake_file="$tmake_file xtensa/t-xtensa xtensa/t-linux t-slibgcc-libgcc"
|
|
+ md_unwind_header=xtensa/linux-unwind.h
|
|
+ extra_parts="$extra_parts crtbeginS.o crtbeginT.o crtendS.o"
|
|
+ ;;
|
|
am33_2.0-*-linux*)
|
|
# Don't need crtbeginT.o from *-*-linux* default.
|
|
extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
|
|
--
|
|
1.8.1.4
|
|
|