mirror of
https://git.FreeBSD.org/ports.git
synced 2024-11-14 23:46:10 +00:00
8c54814372
* Some initial support for FreeBSD-alpha * Add some optimizations required by g77, which still might be of some use to adventuring C/C++ programmers. Obtained from: OpenBSD (parts)
159 lines
5.4 KiB
Plaintext
159 lines
5.4 KiB
Plaintext
--- config/i386/freebsd.h.orig Sun Oct 19 09:31:05 1997
|
|
+++ config/i386/freebsd.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 */
|