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[RFA] i386-cygwin-tdep.c
- From: Corinna Vinschen <vinschen at redhat dot com>
- To: gdb-patches at sources dot redhat dot com
- Date: Thu, 20 Mar 2003 22:37:08 +0100
- Subject: [RFA] i386-cygwin-tdep.c
- Reply-to: gdb-patches at sources dot redhat dot com
Hi,
I created a patch to allow switching to reg_struct_return for Cygwin.
According to Andrew's reply on gdb@ I created a new file i386-cygwin-tdep.c
and added everything needed to get it working.
Ok to commit?
Corinna
2003-03-20 Corinna Vinschen <vinschen at redhat dot com>
* Makefile.in (ALLDEPFILES): Add i386-cygwin-tdep.c.
(i386-cygwin-tdep.o): Add dependencies.
* defs.h (enum gdb_osabi): Add GDB_OSABI_CYGWIN.
* i386-cygwin-tdep.c: New file.
* osabi.c (gdb_osabi_name): Add string for GDB_OSABI_CYGWIN.
* config/i386/cygwin.mt (TDEPFILES): Add i386-cygwin-tdep.o.
Index: Makefile.in
===================================================================
RCS file: /cvs/cvsfiles/gnupro/gdb/Makefile.in,v
retrieving revision 1.5
diff -u -p -r1.5 Makefile.in
--- Makefile.in 2003/02/17 06:53:31 1.5
+++ Makefile.in 2003/03/20 21:23:30
@@ -1359,7 +1359,7 @@ ALLDEPFILES = a68v-nat.c \
hp300ux-nat.c hppa-tdep.c hppa-hpux-tdep.c \
hppab-nat.c hppah-nat.c hpread.c \
i386-tdep.c i386b-nat.c i386v-nat.c i386-linux-nat.c \
- i386v4-nat.c i386ly-tdep.c \
+ i386v4-nat.c i386ly-tdep.c i386-cygwin-tdep.c \
i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c \
i387-tdep.c \
i386-linux-tdep.c i386-nat.c \
@@ -1785,6 +1785,8 @@ i386gnu-nat.o: i386gnu-nat.c $(defs_h) $
i386gnu-tdep.o: i386gnu-tdep.c $(defs_h) $(i386_tdep_h) $(osabi_h)
i386ly-tdep.o: i386ly-tdep.c $(defs_h) $(gdbcore_h) $(inferior_h) \
$(regcache_h) $(target_h) $(i386_tdep_h) $(osabi_h)
+i386-cygwin-tdep.o: i386-cygwin-tdep.c $(defs_h) $(gdb_string_h) \
+ $(i386_tdep_h) $(osabi_h)
i386nbsd-tdep.o: i386nbsd-tdep.c $(defs_h) $(gdbtypes_h) $(gdbcore_h) \
$(regcache_h) $(arch_utils_h) $(i386_tdep_h) $(i387_tdep_h) \
$(nbsd_tdep_h) $(solib_svr4_h) $(osabi_h)
Index: defs.h
===================================================================
RCS file: /cvs/cvsfiles/gnupro/gdb/defs.h,v
retrieving revision 1.4
diff -u -p -r1.4 defs.h
--- defs.h 2003/02/16 09:26:47 1.4
+++ defs.h 2003/03/20 21:23:31
@@ -1013,6 +1013,8 @@ enum gdb_osabi
GDB_OSABI_ARM_EABI_V2,
GDB_OSABI_ARM_APCS,
+ GDB_OSABI_CYGWIN,
+
GDB_OSABI_INVALID /* keep this last */
};
Index: i386-cygwin-tdep.c
===================================================================
RCS file: i386-cygwin-tdep.c
diff -N i386-cygwin-tdep.c
--- /dev/null Thu Aug 24 02:00:32 2000
+++ i386-cygwin-tdep.c Thu Mar 20 13:23:31 2003
@@ -0,0 +1,53 @@
+/* Target-dependent code for Cygwin running on i386's, for GDB.
+ Copyright 2003 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program 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 2 of the License, or
+(at your option) any later version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+
+#include "gdb_string.h"
+#include "i386-tdep.h"
+#include "osabi.h"
+
+static void
+i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->struct_return = reg_struct_return;
+}
+
+static enum gdb_osabi
+i386_cygwin_osabi_sniffer (bfd * abfd)
+{
+ char *target_name = bfd_get_target (abfd);
+
+ if (strcmp (target_name, "pei-i386") == 0)
+ return GDB_OSABI_CYGWIN;
+
+ return GDB_OSABI_UNKNOWN;
+}
+
+void
+_initialize_i386_cygwin_tdep (void)
+{
+ gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_coff_flavour,
+ i386_cygwin_osabi_sniffer);
+
+ gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_CYGWIN,
+ i386_cygwin_init_abi);
+}
Index: osabi.c
===================================================================
RCS file: /cvs/cvsfiles/gnupro/gdb/osabi.c,v
retrieving revision 1.2
diff -u -p -r1.2 osabi.c
--- osabi.c 2003/02/16 09:26:49 1.2
+++ osabi.c 2003/03/20 21:23:31
@@ -73,6 +73,8 @@ static const char * const gdb_osabi_name
"ARM EABI v2",
"ARM APCS",
+ "Cygwin",
+
"<invalid>"
};
Index: config/i386/cygwin.mt
===================================================================
RCS file: /cvs/cvsfiles/gnupro/gdb/config/i386/cygwin.mt,v
retrieving revision 1.1
diff -u -p -r1.1 cygwin.mt
--- cygwin.mt 2002/11/04 16:29:47 1.1
+++ cygwin.mt 2003/03/20 21:23:31
@@ -1,5 +1,5 @@
# Target: Intel 386 run win32
-TDEPFILES= i386-tdep.o i387-tdep.o
+TDEPFILES= i386-tdep.o i386-cygwin-tdep.o i387-tdep.o
TM_FILE= tm-cygwin.h
--
Corinna Vinschen
Cygwin Developer
Red Hat, Inc.
mailto:vinschen at redhat dot com