1 files changed, 104 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/mips/register-dump.h b/ports/sysdeps/unix/sysv/linux/mips/register-dump.h
new file mode 100644
index 0000000000..186228119f
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/register-dump.h
@@ -0,0 +1,104 @@
+/* Dump registers.
+   Copyright (C) 2000-2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+   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/>.  */
+
+#include <sys/uio.h>
+#include <_itoa.h>
+
+/* We will print the register dump in this format:
+
+ R0   XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
+ R8   XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
+ R16  XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
+ R24  XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
+            pc       lo       hi
+      XXXXXXXX XXXXXXXX XXXXXXXX
+ The FPU registers will not be printed.
+*/
+
+static void
+hexvalue (unsigned long int value, char *buf, size_t len)
+{
+  char *cp = _itoa_word (value, buf + len, 16, 0);
+  while (cp > buf)
+    *--cp = '0';
+}
+
+static void
+register_dump (int fd, struct sigcontext *ctx)
+{
+  char regs[38][8];
+  struct iovec iov[38 * 2 + 10];
+  size_t nr = 0;
+  int i;
+
+#define ADD_STRING(str) \
+  iov[nr].iov_base = (char *) str;					      \
+  iov[nr].iov_len = strlen (str);					      \
+  ++nr
+#define ADD_MEM(str, len) \
+  iov[nr].iov_base = str;						      \
+  iov[nr].iov_len = len;						      \
+  ++nr
+
+  /* Generate strings of register contents.  */
+  for (i = 0; i < 32; i++)
+    hexvalue (ctx->sc_regs[i], regs[i], 8);
+  hexvalue (ctx->sc_pc, regs[32], 8);
+  hexvalue (ctx->sc_mdhi, regs[33], 8);
+  hexvalue (ctx->sc_mdlo, regs[34], 8);
+
+  /* Generate the output.  */
+  ADD_STRING ("Register dump:\n\n R0   ");
+  for (i = 0; i < 8; i++)
+    {
+      ADD_MEM (regs[i], 8);
+      ADD_STRING (" ");
+    }
+  ADD_STRING ("\n R8   ");
+  for (i = 8; i < 16; i++)
+    {
+      ADD_MEM (regs[i], 8);
+      ADD_STRING (" ");
+    }
+  ADD_STRING ("\n R16  ");
+  for (i = 16; i < 24; i++)
+    {
+      ADD_MEM (regs[i], 8);
+      ADD_STRING (" ");
+    }
+  ADD_STRING ("\n R24  ");
+  for (i = 24; i < 32; i++)
+    {
+      ADD_MEM (regs[i], 8);
+      ADD_STRING (" ");
+    }
+  ADD_STRING ("\n            pc       lo       hi\n      ");
+  for (i = 32; i < 35; i++)
+    {
+      ADD_MEM (regs[i], 8);
+      ADD_STRING (" ");
+    }
+  ADD_STRING ("\n");
+
+  /* Write the stuff out.  */
+  writev (fd, iov, nr);
+}
+
+
+#define REGISTER_DUMP register_dump (fd, ctx)