m68k: add sotruss-lib.c

diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k
index e169402..00830ee 100644 (file)
--- a/ports/ChangeLog.m68k
+++ b/ports/ChangeLog.m68k
@@ -1,3 +1,7 @@
+2012-11-23  Andreas Schwab  <schwab@linux-m68k.org>
+
+       * sysdeps/m68k/sotruss-lib.c: New file.
+
 2012-11-21  Andreas Schwab  <schwab@linux-m68k.org>
 
        * sysdeps/unix/sysv/linux/m68k/nptl/lowlevellock.h

diff --git a/ports/sysdeps/m68k/sotruss-lib.c b/ports/sysdeps/m68k/sotruss-lib.c
new file mode 100644 (file)
index 0000000..6c9e552
--- /dev/null
+++ b/ports/sysdeps/m68k/sotruss-lib.c
@@ -0,0 +1,51 @@
+/* Override generic sotruss-lib.c to define actual functions for m68k.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define HAVE_ARCH_PLTENTER
+#define HAVE_ARCH_PLTEXIT
+
+#include <elf/sotruss-lib.c>
+
+ElfW(Addr)
+la_m68k_gnu_pltenter (Elf32_Sym *sym __attribute__ ((unused)),
+                     unsigned int ndx __attribute__ ((unused)),
+                     uintptr_t *refcook, uintptr_t *defcook,
+                     La_m68k_regs *regs, unsigned int *flags,
+                     const char *symname, long int *framesizep)
+{
+  unsigned long int *sp = (unsigned long int *) regs->lr_sp;
+
+  print_enter (refcook, defcook, symname, sp[1], sp[2], sp[3], *flags);
+
+  /* No need to copy anything, we will not need the parameters in any case.  */
+  *framesizep = 0;
+
+  return sym->st_value;
+}
+
+unsigned int
+la_m68k_gnu_pltexit (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
+                    uintptr_t *defcook,
+                    const struct La_m68k_regs *inregs,
+                    struct La_m68k_retval *outregs,
+                    const char *symname)
+{
+  print_exit (refcook, defcook, symname, outregs->lrv_d0);
+
+  return 0;
+}