1 files changed, 67 insertions, 0 deletions
diff --git a/contrib/gcc/config/i386/i386iscgas.h b/contrib/gcc/config/i386/i386iscgas.h
new file mode 100644
index 000000000000..526fe374e481
--- /dev/null
+++ b/contrib/gcc/config/i386/i386iscgas.h
@@ -0,0 +1,67 @@
+/* Definitions for Intel 386 running Interactive Unix System V,
+   producing stabs-in-coff output (using a slightly modified gas).
+   Specifically, this is for recent versions that support POSIX;
+   for version 2.0.2, use configuration option i386-sysv instead.  */
+
+/* Underscores are not used on ISC systems (probably not on any COFF
+   system), despite the comments in i386/gas.h.  If this is not defined,
+   enquire (for example) will fail to link.  --karl@cs.umb.edu  */
+#define NO_UNDERSCORES
+
+/* Mostly like other gas-using systems.  */
+#include "i386/gas.h"
+
+/* But with ISC-specific additions.  */
+#include "i386/isc.h"
+
+/* We do not want to output SDB debugging information.  */
+
+#undef SDB_DEBUGGING_INFO
+
+/* We want to output DBX debugging information.  */
+
+#define DBX_DEBUGGING_INFO
+
+
+/* The function `dbxout_init' in dbxout.c omits the first character of
+   `ltext_label_name' when outputting the main source directory and main
+   source filename.  I don't understand why, but rather than making a
+   system-independent change there, I override dbxout.c's defaults.
+   Perhaps it would be better to use ".Ltext0" instead of
+   `ltext_label_name', but we've already generated the label, so we just
+   use it here.  --karl@cs.umb.edu  */
+#define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(asmfile, cwd)			\
+  do {	fprintf (asmfile, "%s ", ASM_STABS_OP);				\
+	output_quoted_string (asmfile, cwd);				\
+	fprintf (asmfile, ",%d,0,0,%s\n", N_SO, ltext_label_name);	\
+  } while (0)
+#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(asmfile, input_file_name)	\
+  fprintf (asmfile, "%s ", ASM_STABS_OP);				\
+  output_quoted_string (input_file_name);				\
+  fprintf (asmfile, ",%d,0,0,%s\n", N_SO, ltext_label_name);		\
+  text_section ();							\
+  ASM_OUTPUT_INTERNAL_LABEL (asmfile, "Ltext", 0)
+
+
+/* Because we don't include `svr3.h', we haven't yet defined SIZE_TYPE
+   and PTRDIFF_TYPE.  ISC's definitions don't match GCC's defaults, so: */
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+
+/* But we can't use crtbegin.o and crtend.o, because gas 1.38.1 doesn't
+   grok .section.  The definitions here are otherwise identical to those
+   in i386/isc.h.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+  "%{!shlib:%{posix:%{pg:mcrtp1.o%s}%{!pg:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}}\
+   %{!posix:%{pg:mcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}\
+   %{p:-L/lib/libp} %{pg:-L/lib/libp}}}\
+   %{shlib:%{posix:crtp1.o%s}%{!posix:crt1.o%s}}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "crtn.o%s"