Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 75 insertions, 0 deletions

diff --git a/gdb/config/mips/tm-irix5.h b/gdb/config/mips/tm-irix5.h
new file mode 100644
index 0000000..ad98e88
--- /dev/null
+++ b/gdb/config/mips/tm-irix5.h
@@ -0,0 +1,75 @@
+/* Target machine description for SGI Iris under Irix 5, for GDB.
+   Copyright 1990, 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "mips/tm-irix3.h"
+
+#if defined (_MIPS_SIM_NABI32) && _MIPS_SIM == _MIPS_SIM_NABI32
+/*
+ * Irix 6 (n32 ABI) has 32-bit GP regs and 64-bit FP regs
+ */
+
+#undef  REGISTER_BYTES
+#define REGISTER_BYTES (MIPS_NUMREGS * 8 + (NUM_REGS - MIPS_NUMREGS) * MIPS_REGSIZE)
+
+#undef  REGISTER_BYTE
+#define REGISTER_BYTE(N) \
+     (((N) < FP0_REGNUM) ? (N) * MIPS_REGSIZE : \
+      ((N) < FP0_REGNUM + 32) ?     \
+      FP0_REGNUM * MIPS_REGSIZE + \
+      ((N) - FP0_REGNUM) * sizeof(double) : \
+      32 * sizeof(double) + ((N) - 32) * MIPS_REGSIZE)
+
+#undef  REGISTER_VIRTUAL_TYPE
+#define REGISTER_VIRTUAL_TYPE(N) \
+	(((N) >= FP0_REGNUM && (N) < FP0_REGNUM+32) ? builtin_type_double \
+	 : ((N) == 32 /*SR*/) ? builtin_type_uint32 \
+	 : ((N) >= 70 && (N) <= 89) ? builtin_type_uint32 \
+	 : builtin_type_int)
+
+#undef  MIPS_LAST_ARG_REGNUM
+#define MIPS_LAST_ARG_REGNUM 11  /* N32 uses R4 through R11 for args */
+
+#undef  MIPS_NUM_ARG_REGS
+#define MIPS_NUM_ARG_REGS 8
+
+#endif /* N32 */
+
+/* When calling functions on Irix 5 (or any MIPS SVR4 ABI compliant
+   platform) $25 must hold the function address.  Dest_Reg is a macro
+   used in CALL_DUMMY in tm-mips.h.  */
+#undef Dest_Reg
+#define Dest_Reg 25
+
+/* The signal handler trampoline is called _sigtramp.  */
+#undef IN_SIGTRAMP
+#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name))
+
+/* Irix 5 saves a full 64 bits for each register.  We skip 2 * 4 to
+   get to the saved PC (the register mask and status register are both
+   32 bits) and then another 4 to get to the lower 32 bits.  We skip
+   the same 4 bytes, plus the 8 bytes for the PC to get to the
+   registers, and add another 4 to get to the lower 32 bits.  We skip
+   8 bytes per register.  */
+#undef SIGFRAME_PC_OFF
+#define SIGFRAME_PC_OFF		(SIGFRAME_BASE + 2 * 4 + 4)
+#undef SIGFRAME_REGSAVE_OFF
+#define SIGFRAME_REGSAVE_OFF	(SIGFRAME_BASE + 2 * 4 + 8 + 4)
+#undef SIGFRAME_FPREGSAVE_OFF
+#define SIGFRAME_FPREGSAVE_OFF	(SIGFRAME_BASE + 2 * 4 + 8 + 32 * 8 + 4)
+#define SIGFRAME_REG_SIZE	8