Adjust for monotone.

1 files changed, 84 insertions, 0 deletions

diff --git a/libasm/asm_newsubscn.c b/libasm/asm_newsubscn.c
new file mode 100644
index 00000000..e767720e
--- /dev/null
+++ b/libasm/asm_newsubscn.c
@@ -0,0 +1,84 @@
+/* Create new subsection section in given section.
+   Copyright (C) 2002 Red Hat, Inc.
+   Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   This program is Open Source software; you can redistribute it and/or
+   modify it under the terms of the Open Software License version 1.0 as
+   published by the Open Source Initiative.
+
+   You should have received a copy of the Open Software License along
+   with this program; if not, you may obtain a copy of the Open Software
+   License version 1.0 from http://www.opensource.org/licenses/osl.php or
+   by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+   3001 King Ranch Road, Ukiah, CA 95482.   */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+
+#include <libasmP.h>
+#include <system.h>
+
+
+AsmScn_t *
+asm_newsubscn (asmscn, nr)
+     AsmScn_t *asmscn;
+     unsigned int nr;
+{
+  AsmScn_t *runp;
+  AsmScn_t *newp;
+
+  /* Just return if no section is given.  The error must have been
+     somewhere else.  */
+  if (asmscn == NULL)
+    return NULL;
+
+  /* Determine whether there is already a subsection with this number.  */
+  runp = asmscn->subsection_id == 0 ? asmscn : asmscn->data.up;
+  while (1)
+    {
+      if (runp->subsection_id == nr)
+	/* Found it.  */
+	return runp;
+
+      if (runp->subnext == NULL || runp->subnext->subsection_id > nr)
+	break;
+
+      runp = runp->subnext;
+    }
+
+  newp = (AsmScn_t *) malloc (sizeof (AsmScn_t));
+  if (newp == NULL)
+    return NULL;
+
+  /* Same assembler context than the original section.  */
+  newp->ctx = runp->ctx;
+
+  /* User provided the subsectio nID.  */
+  newp->subsection_id = nr;
+
+  /* Inherit the parent's type.  */
+  newp->type = runp->type;
+
+  /* Pointer to the zeroth subsection.  */
+  newp->data.up = runp->subsection_id == 0 ? runp : runp->data.up;
+
+  /* We start at offset zero.  */
+  newp->offset = 0;
+  /* And generic alignment.  */
+  newp->max_align = 1;
+
+  /* No output yet.  */
+  newp->content = NULL;
+
+  /* Inherit the fill pattern from the section this one is derived from.  */
+  newp->pattern = asmscn->pattern;
+
+  /* Enqueue at the right position in the list.  */
+  newp->subnext = runp->subnext;
+  runp->subnext = newp;
+
+  return newp;
+}