diff options
Diffstat (limited to 'gdb/config/mips/tm-mipsv4.h')
| -rw-r--r-- | gdb/config/mips/tm-mipsv4.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gdb/config/mips/tm-mipsv4.h b/gdb/config/mips/tm-mipsv4.h new file mode 100644 index 00000000000..dd7aaa16d9b --- /dev/null +++ b/gdb/config/mips/tm-mipsv4.h @@ -0,0 +1,45 @@ +/* Target machine description for MIPS running SVR4, for GDB. + Copyright 1994, 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-bigmips.h" +#include "tm-sysv4.h" + +/* When calling functions on a 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)) + +/* On entry to the signal handler trampoline, an ucontext is already + pushed on the stack. We can get at the saved registers via the + mcontext which is contained within the ucontext. */ +#define SIGFRAME_BASE 0 +#define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 40) +#define SIGFRAME_PC_OFF (SIGFRAME_BASE + 40 + 35 * 4) +#define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 40 + 36 * 4) + +/* Use the alternate method of determining valid frame chains. */ +#define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi) + +/* Convert a DWARF register number to a gdb REGNUM. */ +#define DWARF_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32) |