3 files changed, 18 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/alpha/pt-machine.h b/linuxthreads/sysdeps/alpha/pt-machine.h
index 99c9bb6b28..fc2b83fbf6 100644
--- a/linuxthreads/sysdeps/alpha/pt-machine.h
+++ b/linuxthreads/sysdeps/alpha/pt-machine.h
@@ -108,3 +108,9 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
 
   return ret;
 }
+
+/* We want the OS to assign stack addresses.  */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited.  */
+#define ARCH_STACK_MAX_SIZE     32*1024*1024
diff --git a/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
index 5141e13636..c13c62e5dc 100644
--- a/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
+++ b/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
@@ -63,3 +63,9 @@ register struct _pthread_descr_struct *__thread_self __asm__("%g6");
 #define THREAD_GETMEM_NC(descr, member) __thread_self->member
 #define THREAD_SETMEM(descr, member, value) __thread_self->member = (value)
 #define THREAD_SETMEM_NC(descr, member, value) __thread_self->member = (value)
+
+/* We want the OS to assign stack addresses.  */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited.  */
+#define ARCH_STACK_MAX_SIZE     8*1024*1024
diff --git a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
index a804807178..d4d456630d 100644
--- a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
+++ b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
@@ -86,3 +86,9 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
 #define THREAD_GETMEM_NC(descr, member) __thread_self->member
 #define THREAD_SETMEM(descr, member, value) __thread_self->member = (value)
 #define THREAD_SETMEM_NC(descr, member, value) __thread_self->member = (value)
+
+/* We want the OS to assign stack addresses.  */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited.  */
+#define ARCH_STACK_MAX_SIZE     32*1024*1024