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--- config/i386/freebsd-aout.h.orig Sun Oct 19 09:31:05 1997
+++ config/i386/freebsd-aout.h Tue Aug 11 14:28:56 1998
@@ -35,10 +35,21 @@
#include "i386/perform.h"
#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
+#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__=2 -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
+
+/* FreeBSD using a.out does not support DWARF2 unwinding mechanisms.
+ Thus, need the equivalent of "-fsjlj-exceptions" (use setjmp/longjmp
+ for exceptions). */
+#define DWARF2_UNWIND_INFO 0
+
+/* Provide a CPP_SPEC appropriate for OpenBSD. Current we just deal with
+ the GCC option `-posix'. */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
/* Like the default, except no -lg. */
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+#define LIB_SPEC "%{!shared:%{!pg:-lc}%{pg:-lc_p}}"
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
@@ -54,8 +65,13 @@
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
+/* We have atexit(3). */
#define HAVE_ATEXIT
+/* We want gcc.c to call mktemp() for each file it generates. We would
+ prefer mkstemp(), but we will take what we get. XXX busted */
+/* #undef MKTEMP_EACH_FILE */
+
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
@@ -114,6 +130,7 @@
#define TYPE_ASM_OP ".type"
#define SIZE_ASM_OP ".size"
+#define SET_ASM_OP ".set"
/* The following macro defines the format used to output the second
operand of the .type assembler directive. Different svr4 assemblers
@@ -123,6 +140,16 @@
#define TYPE_OPERAND_FMT "@%s"
+/* Handle #pragma weak and #pragma pack. */
+
+#define HANDLE_SYSV_PRAGMA 1
+
+/* This is how we tell the assembler that a symbol is weak. */
+
+#define ASM_WEAKEN_LABEL(FILE,NAME) \
+ do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); } while (0)
+
/* Write the extra assembler code needed to declare a function's result.
Most svr4 assemblers don't require any special declaration of the
result value, but there are exceptions. */
@@ -131,9 +158,9 @@
#define ASM_DECLARE_RESULT(FILE, RESULT)
#endif
-/* These macros generate the special .type and .size directives which
+/* these macros generate the special .type and .size directives which
are used to set the corresponding fields of the linker symbol table
- entries in an ELF object file under SVR4. These macros also output
+ entries in an elf object file under svr4. these macros also output
the starting labels for the relevant functions/objects. */
/* Write the extra assembler code needed to declare a function properly.
@@ -185,6 +212,7 @@
&& DECL_INITIAL (DECL) == error_mark_node \
&& !size_directive_output) \
{ \
+ size_directive_output = 1; \
fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
assemble_name (FILE, name); \
fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL)));\
@@ -213,33 +241,57 @@
} \
} while (0)
+/* XXX - should ASM_SPEC be " %| %{fpic:-k} %{fPIC:-k -K}" ??? */
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
+
#define LINK_SPEC \
- "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
+ "%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
+ %{shared:-Bshareable} \
+ %{!shared:%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} \
+ %{pg:-Bstatic} %{Z}} \
+ %{assert*} %{R*}"
+
+#ifdef FROM_OPENBSD
+/* This defines which switch letters take arguments.
+ make -R /path/to/lib work the same as -R/path/to/lib */
+#undef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR) \
+ (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
+ || (CHAR) == 'R')
+#endif
+
+#define STARTFILE_SPEC \
+ "%{shared:c++rt0.o%s} \
+ %{!shared:%{pg:gcrt0.o%s}%{!pg:%{static:scrt0.o%s}%{!static:crt0.o%s}}}"
-/* This is defined when gcc is compiled in the BSD-directory-tree, and must
- * make up for the gap to all the stuff done in the GNU-makefiles.
+#define MD_STARTFILE_PREFIX "/usr/lib/aout/"
+
+/* FREEBSD_NATIVE is defined when gcc is compiled in the BSD-directory-tree,
+ * and must make up for the gap to all the stuff done in the GNU-makefiles.
*/
#ifdef FREEBSD_NATIVE
-#define INCLUDE_DEFAULTS { \
- { "/usr/include", 0, 0, 0 }, \
- { "/usr/include/g++", "G++", 1, 1 }, \
- { 0, 0, 0, 0} \
- }
+#undef GCC_INCLUDE_DIR
+#define GCC_INCLUDE_DIR "/usr/include"
+
+#undef GPLUSPLUS_INCLUDE_DIR
+#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
+
+/* Look for the include files in the system-defined places. */
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS \
+ { \
+ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \
+ { GCC_INCLUDE_DIR, 0, 0, 0 }, \
+ { 0, 0, 0, 0 } \
+ }
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/usr/libexec/"
#undef STANDARD_STARTFILE_PREFIX
#define STANDARD_STARTFILE_PREFIX "/usr/lib"
-
-#if 0 /* This is very wrong!!! */
-#define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0"
-#define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
-#define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include"
-#define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
-#endif
#endif /* FREEBSD_NATIVE */
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