[thirdparty/binutils-gdb.git] / gdb / config / mips / tm-mipsv4.h

/* 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)
Commit	Line	Data
376f8f68	1	/* Target machine description for MIPS running SVR4, for GDB.
e3c05e17	2	Copyright 1994, 1995 Free Software Foundation, Inc.
376f8f68 PS	3
	4	This file is part of GDB.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
6c9638b4	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
376f8f68 PS	19
	20	#include "mips/tm-bigmips.h"
	21	#include "tm-sysv4.h"
	22
	23	/* When calling functions on a MIPS SVR4 ABI compliant platform
	24	$25 must hold the function address. Dest_Reg is a macro
	25	used in CALL_DUMMY in tm-mips.h. */
	26	#undef Dest_Reg
	27	#define Dest_Reg 25
	28
	29	/* The signal handler trampoline is called _sigtramp. */
	30	#undef IN_SIGTRAMP
	31	#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name))
	32
	33	/* On entry to the signal handler trampoline, an ucontext is already
	34	pushed on the stack. We can get at the saved registers via the
	35	mcontext which is contained within the ucontext. */
	36	#define SIGFRAME_BASE 0
	37	#define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 40)
	38	#define SIGFRAME_PC_OFF (SIGFRAME_BASE + 40 + 35 * 4)
e3c05e17	39	#define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 40 + 36 * 4)
376f8f68 PS	40
376f8f68 PS	41	/* Use the alternate method of determining valid frame chains. */
b6960094	42	#define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi)
84bdfea6 PS	43
	44	/* Convert a DWARF register number to a gdb REGNUM. */
	45	#define DWARF_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32)