===================================================================
@@ -3235,10 +3235,12 @@ ix86_option_override_internal (bool main_args_p)
DLL, and is essentially just as efficient as direct addressing. */
if (TARGET_64BIT && DEFAULT_ABI == MS_ABI)
ix86_cmodel = CM_SMALL_PIC, flag_pic = 1;
+ else if (TARGET_64BIT && TARGET_RDOS)
+ ix86_cmodel = CM_MEDIUM_PIC, flag_pic = 1;
else if (TARGET_64BIT)
ix86_cmodel = flag_pic ? CM_SMALL_PIC : CM_SMALL;
else
- ix86_cmodel = CM_32;
+ ix86_cmodel = CM_32;
}
if (TARGET_MACHO && ix86_asm_dialect == ASM_INTEL)
{
===================================================================
@@ -518,6 +518,9 @@ extern tree x86_mfence;
#define MACHOPIC_INDIRECT 0
#define MACHOPIC_PURE 0
+/* For the RDOS */
+#define TARGET_RDOS 0
+
/* For the Windows 64-bit ABI. */
#define TARGET_64BIT_MS_ABI (TARGET_64BIT && ix86_cfun_abi () == MS_ABI)
@@ -2081,6 +2084,10 @@ do { \
asm (SECTION_OP "\n\t" \
"call " CRT_MKSTR(__USER_LABEL_PREFIX__) #FUNC "\n" \
TEXT_SECTION_ASM_OP);
+
+/* Default threshold for putting data in large sections
+ with x86-64 medium memory model */
+#define DEFAULT_LARGE_SECTION_THRESHOLD 65536
/* Which processor to tune code generation for. */
===================================================================
@@ -300,6 +300,8 @@
(R11_REG 40)
(R12_REG 41)
(R13_REG 42)
+ (R14_REG 43)
+ (R15_REG 44)
(XMM8_REG 45)
(XMM9_REG 46)
(XMM10_REG 47)
===================================================================
@@ -140,7 +140,7 @@ Target RejectNegative Joined UInteger Var(ix86_bra
Branches are this expensive (1-5, arbitrary units)
mlarge-data-threshold=
-Target RejectNegative Joined UInteger Var(ix86_section_threshold) Init(65536)
+Target RejectNegative Joined UInteger Var(ix86_section_threshold) Init(DEFAULT_LARGE_SECTION_THRESHOLD)
Data greater than given threshold will go into .ldata section in x86-64 medium model
mcmodel=
===================================================================
@@ -0,0 +1,33 @@
+/* Definitions for RDOS on i386.
+ Copyright (C) 2013 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/>. */
+
+/* RDOS uses .exe suffix */
+#undef TARGET_EXECUTABLE_SUFFIX
+#define TARGET_EXECUTABLE_SUFFIX ".exe"
+
+#undef TARGET_RDOS
+#define TARGET_RDOS 1
+
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__RDOS__"); \
+ builtin_assert ("system=rdos"); \
+ } \
+ while (0)
===================================================================
@@ -0,0 +1,24 @@
+/* Definitions for RDOS on x86_64.
+ Copyright (C) 2013 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 REAL_PIC_OFFSET_TABLE_REGNUM
+#define REAL_PIC_OFFSET_TABLE_REGNUM R15_REG
+
+#undef DEFAULT_LARGE_SECTION_THRESHOLD
+#define DEFAULT_LARGE_SECTION_THRESHOLD 16
===================================================================
@@ -738,6 +738,9 @@ case ${target} in
use_gcc_stdint=wrap
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC SINGLE_LIBC"
;;
+*-*-rdos*)
+ use_gcc_stdint=wrap
+ ;;
*-*-solaris2*)
# i?86-*-solaris2* needs to insert headers between cpu default and
# Solaris 2 specific ones.
@@ -1204,6 +1207,13 @@ i[34567]86-*-elf*)
x86_64-*-elf*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
;;
+i[34567]86-*-rdos*)
+ tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
+ ;;
+x86_64-*-rdos*)
+ tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h i386/rdos.h i386/rdos64.h"
+ tmake_file="i386/t-i386elf t-svr4"
+ ;;
i[34567]86-*-freebsd*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${fbsd_tm_file} i386/freebsd.h"
;;