324 lines
11 KiB
C
324 lines
11 KiB
C
/* Parameters for execution on any Hewlett-Packard PA-RISC machine.
|
|
Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1995, 1999, 2000
|
|
Free Software Foundation, Inc.
|
|
|
|
Contributed by the Center for Software Science at the
|
|
University of Utah (pa-gdb-bugs@cs.utah.edu).
|
|
|
|
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. */
|
|
|
|
struct type;
|
|
struct value;
|
|
struct frame_info;
|
|
|
|
/* PA 64-bit specific definitions. Override those which are in
|
|
tm-hppa.h */
|
|
|
|
/* jimb: this must go. I'm just using it to disable code I haven't
|
|
gotten working yet. */
|
|
#define GDB_TARGET_IS_HPPA_20W
|
|
|
|
/* NOTE: cagney/2003-07-27: Using CC='cc +DA2.0W -Ae' configure
|
|
hppa64-hp-hpux11.00; GDB managed to build / start / break main /
|
|
run with multi-arch enabled. Not sure about much else as there
|
|
appears to be an unrelated problem in the SOM symbol table reader
|
|
causing GDB to lose line number information. Since prior to this
|
|
switch and a other recent tweaks, 64 bit PA hadn't been building
|
|
for some months, this is probably the lesser of several evils. */
|
|
#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
|
|
|
|
#include "pa/tm-hppah.h"
|
|
|
|
#define HPUX_1100 1
|
|
|
|
/* The low two bits of the IA are the privilege level of the instruction. */
|
|
#define ADDR_BITS_REMOVE(addr) ((CORE_ADDR)addr & (CORE_ADDR)~3)
|
|
|
|
/* Say how long (ordinary) registers are. This is used in
|
|
push_word and a few other places, but REGISTER_RAW_SIZE is
|
|
the real way to know how big a register is. */
|
|
|
|
#undef DEPRECATED_REGISTER_SIZE
|
|
#define DEPRECATED_REGISTER_SIZE 8
|
|
|
|
/* Number of bytes of storage in the actual machine representation
|
|
for register N. On the PA-RISC 2.0, all regs are 8 bytes, including
|
|
the FP registers (they're accessed as two 4 byte halves). */
|
|
|
|
#undef REGISTER_RAW_SIZE
|
|
#define REGISTER_RAW_SIZE(N) 8
|
|
|
|
/* Largest value REGISTER_RAW_SIZE can have. */
|
|
|
|
#undef DEPRECATED_MAX_REGISTER_RAW_SIZE
|
|
#define DEPRECATED_MAX_REGISTER_RAW_SIZE 8
|
|
|
|
/* Total amount of space needed to store our copies of the machine's
|
|
register state, the array `registers'. */
|
|
|
|
#undef DEPRECATED_REGISTER_BYTES
|
|
#define DEPRECATED_REGISTER_BYTES (NUM_REGS * 8)
|
|
|
|
/* Index within `registers' of the first byte of the space for
|
|
register N. */
|
|
|
|
#undef REGISTER_BYTE
|
|
#define REGISTER_BYTE(N) ((N) * 8)
|
|
|
|
#undef REGISTER_VIRTUAL_TYPE
|
|
#define REGISTER_VIRTUAL_TYPE(N) \
|
|
((N) < FP4_REGNUM ? builtin_type_unsigned_long_long : builtin_type_double)
|
|
|
|
|
|
/* Number of machine registers */
|
|
#undef NUM_REGS
|
|
#define NUM_REGS 96
|
|
|
|
/* Initializer for an array of names of registers.
|
|
There should be NUM_REGS strings in this initializer.
|
|
They are in rows of eight entries */
|
|
extern const char *hppa64_register_name (int i);
|
|
#define REGISTER_NAME hppa64_register_name
|
|
|
|
#undef FP0_REGNUM
|
|
#undef FP4_REGNUM
|
|
#define FP0_REGNUM 64 /* floating point reg. 0 (fspr)*/
|
|
#define FP4_REGNUM 68
|
|
|
|
/* Redefine some target bit sizes from the default. */
|
|
|
|
/* Number of bits in a long or unsigned long for the target machine. */
|
|
|
|
#define TARGET_LONG_BIT 64
|
|
|
|
/* Number of bits in a long long or unsigned long long for the
|
|
target machine. */
|
|
|
|
#define TARGET_LONG_LONG_BIT 64
|
|
|
|
/* Number of bits in a pointer for the target machine */
|
|
|
|
#define TARGET_PTR_BIT 64
|
|
|
|
/* Argument Pointer Register */
|
|
#define AP_REGNUM 29
|
|
|
|
#define DP_REGNUM 27
|
|
|
|
#define FP5_REGNUM 70
|
|
|
|
#define SR5_REGNUM 48
|
|
|
|
/* We access locals from SP. This may not work for frames which call
|
|
alloca; for those, we may need to consult unwind tables.
|
|
jimb: FIXME. */
|
|
#undef DEPRECATED_FRAME_LOCALS_ADDRESS
|
|
#define DEPRECATED_FRAME_LOCALS_ADDRESS(fi) (get_frame_base (fi))
|
|
|
|
/* For a number of horrible reasons we may have to adjust the location
|
|
of variables on the stack. Ugh. jimb: why? */
|
|
#define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR)
|
|
|
|
extern int hpread_adjust_stack_address (CORE_ADDR);
|
|
|
|
|
|
/* jimb: omitted dynamic linking stuff here */
|
|
|
|
/* This sequence of words is the instructions
|
|
|
|
; Call stack frame has already been built by gdb. Since we could be calling
|
|
; a varargs function, and we do not have the benefit of a stub to put things in
|
|
; the right place, we load the first 8 word of arguments into both the general
|
|
; and fp registers.
|
|
call_dummy
|
|
nop
|
|
copy %r4,%r29
|
|
copy %r5,%r22
|
|
copy %r6,%r27
|
|
fldd -64(0,%r29),%fr4
|
|
fldd -56(0,%r29),%fr5
|
|
fldd -48(0,%r29),%fr6
|
|
fldd -40(0,%r29),%fr7
|
|
fldd -32(0,%r29),%fr8
|
|
fldd -24(0,%r29),%fr9
|
|
fldd -16(0,%r29),%fr10
|
|
fldd -8(0,%r29),%fr11
|
|
copy %r22,%r1
|
|
ldd -64(%r29), %r26
|
|
ldd -56(%r29), %r25
|
|
ldd -48(%r29), %r24
|
|
ldd -40(%r29), %r23
|
|
ldd -32(%r29), %r22
|
|
ldd -24(%r29), %r21
|
|
ldd -16(%r29), %r20
|
|
bve,l (%r1),%r2
|
|
ldd -8(%r29), %r19
|
|
break 4, 8
|
|
mtsp %r21, %sr0
|
|
ble 0(%sr0, %r22)
|
|
nop
|
|
*/
|
|
|
|
/* Call dummys are sized and written out in word sized hunks. So we have
|
|
to pack the instructions into words. Ugh. */
|
|
#undef CALL_DUMMY
|
|
#define CALL_DUMMY {0x08000240349d0000LL, 0x34b6000034db0000LL, \
|
|
0x53a43f8353a53f93LL, 0x53a63fa353a73fb3LL,\
|
|
0x53a83fc353a93fd3LL, 0x2fa1100a2fb1100bLL,\
|
|
0x36c1000053ba3f81LL, 0x53b93f9153b83fa1LL,\
|
|
0x53b73fb153b63fc1LL, 0x53b53fd10fa110d4LL,\
|
|
0xe820f0000fb110d3LL, 0x0001000400151820LL,\
|
|
0xe6c0000008000240LL}
|
|
|
|
#define DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET 22 * 4
|
|
|
|
/* DEPRECATED_CALL_DUMMY_LENGTH is computed based on the size of a
|
|
word on the target machine, not the size of an instruction. Since
|
|
a word on this target holds two instructions we have to divide the
|
|
instruction size by two to get the word size of the dummy. */
|
|
#undef DEPRECATED_CALL_DUMMY_LENGTH
|
|
#define DEPRECATED_CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 26 / 2)
|
|
|
|
/* The PA64 ABI mandates a 16 byte stack alignment. */
|
|
#undef STACK_ALIGN
|
|
#define STACK_ALIGN(arg) ( ((arg)%16) ? (((arg)+15)&-16) : (arg))
|
|
|
|
/* The PA64 ABI reserves 64 bytes of stack space for outgoing register
|
|
parameters. */
|
|
#undef REG_PARM_STACK_SPACE
|
|
#define REG_PARM_STACK_SPACE 64
|
|
|
|
/* Use the 64-bit calling conventions designed for the PA2.0 in wide mode. */
|
|
#define PA20W_CALLING_CONVENTIONS
|
|
|
|
#undef FUNC_LDIL_OFFSET
|
|
#undef FUNC_LDO_OFFSET
|
|
#undef SR4EXPORT_LDIL_OFFSET
|
|
#undef SR4EXPORT_LDO_OFFSET
|
|
|
|
#undef REG_STRUCT_HAS_ADDR
|
|
|
|
#undef DEPRECATED_EXTRACT_RETURN_VALUE
|
|
/* RM: floats are returned in FR4R, doubles in FR4
|
|
* integral values are in r28, padded on the left
|
|
* aggregates less that 65 bits are in r28, right padded
|
|
* aggregates upto 128 bits are in r28 and r29, right padded
|
|
*/
|
|
#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
|
{ \
|
|
if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
|
|
memcpy ((VALBUF), \
|
|
((char *)(REGBUF)) + REGISTER_BYTE (FP4_REGNUM) + \
|
|
(DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
|
|
TYPE_LENGTH (TYPE)); \
|
|
else if (is_integral_type(TYPE)) \
|
|
memcpy ((VALBUF), \
|
|
(char *)(REGBUF) + REGISTER_BYTE (28) + \
|
|
(DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
|
|
TYPE_LENGTH (TYPE)); \
|
|
else if (TYPE_LENGTH (TYPE) <= 8) \
|
|
memcpy ((VALBUF), \
|
|
(char *)(REGBUF) + REGISTER_BYTE (28), \
|
|
TYPE_LENGTH (TYPE)); \
|
|
else if (TYPE_LENGTH (TYPE) <= 16) \
|
|
{ \
|
|
memcpy ((VALBUF), \
|
|
(char *)(REGBUF) + REGISTER_BYTE (28), \
|
|
8); \
|
|
memcpy (((char *) VALBUF + 8), \
|
|
(char *)(REGBUF) + REGISTER_BYTE (29), \
|
|
TYPE_LENGTH (TYPE) - 8); \
|
|
} \
|
|
}
|
|
|
|
/* RM: struct upto 128 bits are returned in registers */
|
|
#undef USE_STRUCT_CONVENTION
|
|
#define USE_STRUCT_CONVENTION(gcc_p, value_type)\
|
|
(TYPE_LENGTH (value_type) > 16)
|
|
|
|
/* RM: for return command */
|
|
#undef DEPRECATED_STORE_RETURN_VALUE
|
|
#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
|
|
{ \
|
|
if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
|
|
deprecated_write_register_bytes \
|
|
(REGISTER_BYTE (FP4_REGNUM) + \
|
|
(DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
|
|
(VALBUF), \
|
|
TYPE_LENGTH (TYPE)); \
|
|
else if (is_integral_type(TYPE)) \
|
|
deprecated_write_register_bytes \
|
|
(REGISTER_BYTE (28) + \
|
|
(DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
|
|
(VALBUF), \
|
|
TYPE_LENGTH (TYPE)); \
|
|
else if (TYPE_LENGTH (TYPE) <= 8) \
|
|
deprecated_write_register_bytes \
|
|
( REGISTER_BYTE (28), \
|
|
(VALBUF), \
|
|
TYPE_LENGTH (TYPE)); \
|
|
else if (TYPE_LENGTH (TYPE) <= 16) \
|
|
{ \
|
|
deprecated_write_register_bytes \
|
|
(REGISTER_BYTE (28), \
|
|
(VALBUF), \
|
|
8); \
|
|
deprecated_write_register_bytes \
|
|
(REGISTER_BYTE (29), \
|
|
((char *) VALBUF + 8), \
|
|
TYPE_LENGTH (TYPE) - 8); \
|
|
} \
|
|
}
|
|
|
|
/* RM: these are the PA64 equivalents of the macros in tm-hppah.h --
|
|
* see comments there. For PA64, the save_state structure is at an
|
|
* offset of 24 32-bit words from the sigcontext structure. The 64 bit
|
|
* general registers are at an offset of 640 bytes from the beginning of the
|
|
* save_state structure, and the floating pointer register are at an offset
|
|
* of 256 bytes from the beginning of the save_state structure.
|
|
*/
|
|
#undef FRAME_SAVED_PC_IN_SIGTRAMP
|
|
#define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \
|
|
{ \
|
|
*(TMP) = read_memory_integer (get_frame_base (FRAME) + (24 * 4) + 640 + (33 * 8), 8); \
|
|
}
|
|
|
|
#undef FRAME_BASE_BEFORE_SIGTRAMP
|
|
#define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \
|
|
{ \
|
|
*(TMP) = read_memory_integer (get_frame_base (FRAME) + (24 * 4) + 640 + (30 * 8), 8); \
|
|
}
|
|
|
|
#undef FRAME_FIND_SAVED_REGS_IN_SIGTRAMP
|
|
#define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \
|
|
{ \
|
|
int i; \
|
|
CORE_ADDR TMP1, TMP2; \
|
|
TMP1 = get_frame_base (FRAME) + (24 * 4) + 640; \
|
|
TMP2 = get_frame_base (FRAME) + (24 * 4) + 256; \
|
|
for (i = 0; i < NUM_REGS; i++) \
|
|
{ \
|
|
if (i == SP_REGNUM) \
|
|
(FSR)[SP_REGNUM] = read_memory_integer (TMP1 + SP_REGNUM * 8, 8); \
|
|
else if (i >= FP0_REGNUM) \
|
|
(FSR)[i] = TMP2 + (i - FP0_REGNUM) * 8; \
|
|
else \
|
|
(FSR)[i] = TMP1 + i * 8; \
|
|
} \
|
|
}
|
|
|
|
/* jimb: omitted purify call support */
|