1 files changed, 72 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/sysv4.h b/gcc-4.9/gcc/config/i386/sysv4.h
new file mode 100644
index 000000000..011b228ca
--- /dev/null
+++ b/gcc-4.9/gcc/config/i386/sysv4.h
@@ -0,0 +1,72 @@
+/* Target definitions for GCC for Intel 80386 running System V.4
+   Copyright (C) 1991-2014 Free Software Foundation, Inc.
+
+   Written by Ron Guilmette (rfg@netcom.com).
+
+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/>.  */
+
+/* Output at beginning of assembler file.  */
+/* The .file command should always begin the output.  */
+
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
+#undef X86_FILE_START_VERSION_DIRECTIVE
+#define X86_FILE_START_VERSION_DIRECTIVE true
+
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(n)  svr4_dbx_register_map[n]
+
+/* A C statement (sans semicolon) to output to the stdio stream
+   FILE the assembler definition of uninitialized global DECL named
+   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+   Try to use asm_output_aligned_bss to implement this macro.  */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* Handle special EH pointer encodings.  Absolute, pc-relative, and
+   indirect are handled automatically.  */
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
+  do {									\
+    if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)		\
+      {									\
+	fputs (ASM_LONG, (FILE));					\
+	assemble_name (FILE, XSTR (ADDR, 0));				\
+	fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), (FILE)); \
+	goto DONE;							\
+      }									\
+  } while (0)
+
+/* Used by crtstuff.c to initialize the base of data-relative relocations.
+   These are GOT relative on x86, so return the pic register.  */
+#ifdef __PIC__
+#define CRT_GET_RFIB_DATA(BASE)			\
+  {						\
+    register void *ebx_ __asm__("ebx");		\
+    BASE = ebx_;				\
+  }
+#else
+#define CRT_GET_RFIB_DATA(BASE)						\
+  __asm__ ("call\t.LPR%=\n"						\
+	   ".LPR%=:\n\t"						\
+	   "pop{l}\t%0\n\t"						\
+	   /* Due to a GAS bug, this cannot use EAX.  That encodes	\
+	      smaller than the traditional EBX, which results in the	\
+	      offset being off by one.  */				\
+	   "add{l}\t{$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0"		\
+		   "|%0,_GLOBAL_OFFSET_TABLE_+(.-.LPR%=)}"		\
+	   : "=d"(BASE))
+#endif