Hi!
On 2023-01-27T21:15:01-0500, Flávio Cruz <flavioc...@gmail.com> wrote:
> Not sure what happened, but here's the patch as an attachment. Thanks for
> your patience.
Thanks, that worked. Without any changes now pushed to master branch in
commit 5f8950b403f6351f125d8281d2e7430a43e7d125
"Add support for x86_64-*-gnu-* targets to build x86_64 gnumach/hurd",
see attached.
I'll watch how x86_64 GNU/Hurd develops! :-)
Grüße
Thomas
> On Fri, Jan 27, 2023 at 4:16 PM Thomas Schwinge <tho...@codesourcery.com>
> wrote:
>
>> Hi Flavio!
>>
>> Sorry to bother you one last time (hopefully):
>>
>> On 2023-01-27T01:49:25-0500, Flavio Cruz <flavioc...@gmail.com> wrote:
>> > On Thu, Jan 26, 2023 at 09:34:16AM +0100, Thomas Schwinge wrote:
>> >>As you don't have FSF Copyright Assignment on file for GCC (as far as I
>> >>can tell), are you either going to get that, or re-submit this patch with
>> >>DCO ('Signed-off-by:' tag), <https://gcc.gnu.org/contribute.html#legal>?
>> >
>> > Yes, I think I have it for Hurd related projects
>>
>> Yes.
>>
>> > but not GCC. Added Signed-off-by.
>>
>> ACK, thanks.
>>
>> > Revisted patch is inlined below. Also added the ChangeLog details.
>>
>> Thanks!
>>
>> If I 'git am' that one, I get:
>>
>> warning: Patch sent with format=flowed; space at the end of lines might
>> be lost.
>> Applying: Add support for x86_64-*-gnu-* targets to build x86_64
>> gnumach/hurd
>> error: corrupt patch at line 180
>> Patch failed at 0001 Add support for x86_64-*-gnu-* targets to build
>> x86_64 gnumach/hurd
>> [...]
>>
>> That's due to:
>>
>> Content-Type: text/plain; charset="iso-8859-1"; format=flowed
>>
>> Is it easy for you to re-send that "differently"? (Or, just attach the
>> file generated by 'git format-patch'.) If that's inconvenient, then I'll
>> fix it up manually, no worries.
>>
>>
>> Grüße
>> Thomas
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>From 5f8950b403f6351f125d8281d2e7430a43e7d125 Mon Sep 17 00:00:00 2001
From: Flavio Cruz <flavioc...@gmail.com>
Date: Thu, 26 Jan 2023 22:45:27 -0500
Subject: [PATCH] Add support for x86_64-*-gnu-* targets to build x86_64
gnumach/hurd
Tested by building a toolchain and compiling gnumach for x86_64 [1].
This is the basic version without unwind support which I think is only
required to implement exceptions.
[1]
https://github.com/flavioc/cross-hurd/blob/master/bootstrap-kernel.sh.
gcc/ChangeLog:
* config.gcc: Recognize x86_64-*-gnu* targets and include
i386/gnu64.h.
* config/i386/gnu64.h: Define configuration for new target
including ld.so location.
libgcc/ChangeLog:
* config.host: Recognize x86_64-*-gnu* targets.
* config/i386/gnu-unwind.h: Update to handle __x86_64__ with a
TODO for now.
Signed-off-by: Flavio Cruz <flavioc...@gmail.com>
---
gcc/config.gcc | 5 ++++-
gcc/config/i386/gnu64.h | 40 +++++++++++++++++++++++++++++++++
libgcc/config.host | 8 ++++++-
libgcc/config/i386/gnu-unwind.h | 10 +++++++++
4 files changed, 61 insertions(+), 2 deletions(-)
create mode 100644 gcc/config/i386/gnu64.h
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 744b46fb3b0..f0958e1c959 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1971,7 +1971,7 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-gnu* | i[34567]8
;;
esac
;;
-x86_64-*-linux* | x86_64-*-kfreebsd*-gnu)
+x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-gnu*)
tm_file="${tm_file} i386/unix.h i386/att.h elfos.h gnu-user.h glibc-stdint.h \
i386/x86-64.h i386/gnu-user-common.h i386/gnu-user64.h"
case ${target} in
@@ -1982,6 +1982,9 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu)
x86_64-*-kfreebsd*-gnu)
tm_file="${tm_file} kfreebsd-gnu.h i386/kfreebsd-gnu64.h"
;;
+ x86_64-*-gnu*)
+ tm_file="${tm_file} gnu.h i386/gnu64.h"
+ ;;
esac
tmake_file="${tmake_file} i386/t-linux64"
x86_multilibs="${with_multilib_list}"
diff --git a/gcc/config/i386/gnu64.h b/gcc/config/i386/gnu64.h
new file mode 100644
index 00000000000..a411f0e802a
--- /dev/null
+++ b/gcc/config/i386/gnu64.h
@@ -0,0 +1,40 @@
+/* Configuration for an x86_64 running GNU with ELF as the target machine. */
+
+/*
+Copyright (C) 2023 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define GNU_USER_LINK_EMULATION32 "elf_i386"
+#define GNU_USER_LINK_EMULATION64 "elf_x86_64"
+#define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64"
+
+#undef GNU_USER_DYNAMIC_LINKER
+#define GNU_USER_DYNAMIC_LINKER32 "/lib/ld.so.1"
+#define GNU_USER_DYNAMIC_LINKER64 "/lib/ld-x86-64.so.1"
+#define GNU_USER_DYNAMIC_LINKERX32 "/lib/ld-x32.so.1"
+
+#undef STARTFILE_SPEC
+#if defined HAVE_LD_PIE
+#define STARTFILE_SPEC \
+ "%{!shared: %{pg|p|profile:%{static:gcrt0.o%s;:gcrt1.o%s};pie:Scrt1.o%s;static:crt0.o%s;:crt1.o%s}} \
+ crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_SPEC \
+ "%{!shared: %{pg|p|profile:%{static:gcrt0.o%s;:gcrt1.o%s};static:crt0.o%s;:crt1.o%s}} \
+ crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
diff --git a/libgcc/config.host b/libgcc/config.host
index 18fe2f9ea17..70d47e08e40 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -751,6 +751,12 @@ x86_64-*-kfreebsd*-gnu)
tmake_file="${tmake_file} i386/t-crtpc t-crtfm i386/t-crtstuff t-dfprules"
tm_file="${tm_file} i386/elf-lib.h"
;;
+x86_64-*-gnu*)
+ extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
+ tmake_file="${tmake_file} i386/t-crtpc t-crtfm i386/t-crtstuff t-dfprules"
+ tm_file="${tm_file} i386/elf-lib.h"
+ md_unwind_header=i386/gnu-unwind.h
+ ;;
i[34567]86-pc-msdosdjgpp*)
;;
i[34567]86-*-lynxos*)
@@ -1523,7 +1529,7 @@ esac
case ${host} in
i[34567]86-*-linux* | x86_64-*-linux* | \
i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu | \
- i[34567]86-*-gnu*)
+ i[34567]86-*-gnu* | x86_64-*-gnu*)
tmake_file="${tmake_file} t-tls i386/t-linux i386/t-msabi t-slibgcc-libgcc"
if test "$libgcc_cv_cfi" = "yes"; then
tmake_file="${tmake_file} t-stack i386/t-stack-i386"
diff --git a/libgcc/config/i386/gnu-unwind.h b/libgcc/config/i386/gnu-unwind.h
index 7cb1c7aca4d..85aa2d61b63 100644
--- a/libgcc/config/i386/gnu-unwind.h
+++ b/libgcc/config/i386/gnu-unwind.h
@@ -30,6 +30,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include <signal.h>
+#ifdef __x86_64__
+
+/*
+ * TODO: support for 64 bits needs to be implemented.
+ */
+
+#else /* ifdef __x86_64__ */
+
#define MD_FALLBACK_FRAME_STATE_FOR x86_gnu_fallback_frame_state
static _Unwind_Reason_Code
@@ -138,4 +146,6 @@ x86_gnu_fallback_frame_state
return _URC_NO_REASON;
}
+#endif /* ifdef __x86_64__ */
+
#endif /* ifndef inhibit_libc */
--
2.25.1
