public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
* Have a boehm-gc patch for gcj/rtems
@ 2011-06-04 11:57 Jie Liu
  2011-06-12 16:27 ` Jie Liu
  0 siblings, 1 reply; 3+ messages in thread
From: Jie Liu @ 2011-06-04 11:57 UTC (permalink / raw)
  To: java-patches, gcc-patches

[-- Attachment #1: Type: text/plain, Size: 352 bytes --]

Hi,

I am working on porting gcj to rtems now, it's a project of GSoC2011.[1]
And now, the first step: boehm-gc have been ported,  so I want to get
this patch reviewed and merged.

And I have filed the FSF Paperwork, the patch has been attached.
Thank you for your time.

Best Regards,
Jie

[1]http://socghop.appspot.com/gsoc/org/google/gsoc2011/rtems

[-- Attachment #2: boehm-gc.diff --]
[-- Type: application/octet-stream, Size: 3226 bytes --]

Index: boehm-gc/mach_dep.c
===================================================================
--- boehm-gc/mach_dep.c	(revision 172224)
+++ boehm-gc/mach_dep.c	(working copy)
@@ -411,7 +411,8 @@
     word dummy;
 
 #   if defined(USE_GENERIC_PUSH_REGS)
-#     ifdef HAVE_BUILTIN_UNWIND_INIT
+#     if defined(HAVE_BUILTIN_UNWIND_INIT)\
+         &&!(defined(I386) && defined(RTEMS))
         /* This was suggested by Richard Henderson as the way to	*/
         /* force callee-save registers and register windows onto	*/
         /* the stack.						*/
@@ -437,8 +438,8 @@
   	for (; (char *)i < lim; i++) {
   	    *i = 0;
   	}
-#       if defined(MSWIN32) || defined(MSWINCE) \
-                  || defined(UTS4) || defined(LINUX) || defined(EWS4800)
+#       if defined(MSWIN32) || defined(MSWINCE) || defined(UTS4) \
+           || defined(LINUX) || defined(EWS4800) || defined(RTEMS)
   	  (void) setjmp(regs);
 #       else
             (void) _setjmp(regs);
Index: boehm-gc/include/private/gcconfig.h
===================================================================
--- boehm-gc/include/private/gcconfig.h	(revision 172224)
+++ boehm-gc/include/private/gcconfig.h	(working copy)
@@ -315,6 +315,11 @@
 #    define mach_type_known
 #   endif
 # endif
+# if defined(__rtems__) && (defined(i386) || defined(__i386__))
+#   define I386
+#   define RTEMS
+#   define mach_type_known
+# endif
 # if defined(NeXT) && defined(mc68000)
 #   define M68K
 #   define NEXT
@@ -1297,6 +1302,16 @@
 #	define STACKBOTTOM ((ptr_t)0xc0000000)
 #	define DATAEND	/* not needed */
 #   endif
+#   ifdef RTEMS
+#       define OS_TYPE "RTEMS"
+#       include <sys/unistd.h>
+        extern int etext[];
+        extern int end[];
+        extern void *InitStackBottom;
+#       define DATASTART ((ptr_t)etext)
+#       define DATAEND ((ptr_t)end)
+#       define STACKBOTTOM ((ptr_t)InitStackBottom)
+#   endif
 #   ifdef DOS4GW
 #     define OS_TYPE "DOS4GW"
       extern long __nullarea;
@@ -2370,7 +2385,8 @@
 #   else
 #     if defined(NEXT) || defined(DOS4GW) || \
 		 (defined(AMIGA) && !defined(GC_AMIGA_FASTALLOC)) || \
-		 (defined(SUNOS5) && !defined(USE_MMAP))
+		 (defined(SUNOS5) && !defined(USE_MMAP)) || \
+                 defined(RTEMS)
 #       define GET_MEM(bytes) HBLKPTR((size_t) \
 					      calloc(1, (size_t)bytes + GC_page_size) \
 					      + GC_page_size-1)
Index: boehm-gc/configure
===================================================================
--- boehm-gc/configure	(revision 172224)
+++ boehm-gc/configure	(working copy)
@@ -14867,6 +14869,8 @@
     $as_echo "#define _REENTRANT 1" >>confdefs.h
 
     ;;
+ rtems)
+    ;;
  decosf1 | irix | mach | os2 | dce | vxworks)
     as_fn_error "thread package $THREADS not yet supported" "$LINENO" 5
     ;;
Index: boehm-gc/os_dep.c
===================================================================
--- boehm-gc/os_dep.c	(revision 172224)
+++ boehm-gc/os_dep.c	(working copy)
@@ -1507,7 +1507,7 @@
 
 # if !defined(OS2) && !defined(PCR) && !defined(AMIGA) \
 	&& !defined(MSWIN32) && !defined(MSWINCE) \
-	&& !defined(MACOS) && !defined(DOS4GW)
+	&& !defined(MACOS) && !defined(DOS4GW) && !defined(RTEMS)
 
 # ifdef SUNOS4
     extern caddr_t sbrk();

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-06-13  9:13 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-06-04 11:57 Have a boehm-gc patch for gcj/rtems Jie Liu
2011-06-12 16:27 ` Jie Liu
2011-06-13  9:41   ` Fwd: " Andrew Haley

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).