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To simplify cross-compilation, use unw_word_t instead of long pointers

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for backing store addresses.

(Logical change 1.5)
This commit is contained in:
(none)!davidm 2002-02-22 21:58:53 +00:00
parent a8d1c7c6e9
commit 8dbd577e05
1 changed files with 22 additions and 21 deletions
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43
src/ia64/rse.h
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@ -1,39 +1,40 @@
#ifndef _ASM_IA64_RSE_H
#define _ASM_IA64_RSE_H
/* /*
* Copyright (C) 1998, 1999 Hewlett-Packard Co * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
* Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com> * David Mosberger-Tang <davidm@hpl.hp.com>
* *
* Register stack engine related helper functions. This file may be * Register stack engine related helper functions. This file may be
* used in applications, so be careful about the name-space and give * used in applications, so be careful about the name-space and give
* some consideration to non-GNU C compilers (though __inline__ is * some consideration to non-GNU C compilers (though __inline__ is
* fine). * fine).
*/ */
#ifndef RSE_H
#define RSE_H
static __inline__ unsigned long #include <stdint.h>
ia64_rse_slot_num (unsigned long *addr)
static __inline__ uint64_t
ia64_rse_slot_num (uint64_t addr)
{ {
return (((unsigned long) addr) >> 3) & 0x3f; return (addr >> 3) & 0x3f;
} }
/* /*
* Return TRUE if ADDR is the address of an RNAT slot. * Return TRUE if ADDR is the address of an RNAT slot.
*/ */
static __inline__ unsigned long static __inline__ uint64_t
ia64_rse_is_rnat_slot (unsigned long *addr) ia64_rse_is_rnat_slot (uint64_t addr)
{ {
return ia64_rse_slot_num(addr) == 0x3f; return ia64_rse_slot_num (addr) == 0x3f;
} }
/* /*
* Returns the address of the RNAT slot that covers the slot at * Returns the address of the RNAT slot that covers the slot at
* address SLOT_ADDR. * address SLOT_ADDR.
*/ */
static __inline__ unsigned long * static __inline__ uint64_t
ia64_rse_rnat_addr (unsigned long *slot_addr) ia64_rse_rnat_addr (uint64_t slot_addr)
{ {
return (unsigned long *) ((unsigned long) slot_addr | (0x3f << 3)); return slot_addr | (0x3f << 3);
} }
/* /*
@ -41,10 +42,10 @@ ia64_rse_rnat_addr (unsigned long *slot_addr)
* BSPSTORE with a size of DIRTY bytes. This isn't simply DIRTY * BSPSTORE with a size of DIRTY bytes. This isn't simply DIRTY
* divided by eight because the 64th slot is used to store ar.rnat. * divided by eight because the 64th slot is used to store ar.rnat.
*/ */
static __inline__ unsigned long static __inline__ uint64_t
ia64_rse_num_regs (unsigned long *bspstore, unsigned long *bsp) ia64_rse_num_regs (uint64_t bspstore, uint64_t bsp)
{ {
unsigned long slots = (bsp - bspstore); uint64_t slots = (bsp - bspstore) >> 3;
return slots - (ia64_rse_slot_num(bspstore) + slots)/0x40; return slots - (ia64_rse_slot_num(bspstore) + slots)/0x40;
} }
@ -53,14 +54,14 @@ ia64_rse_num_regs (unsigned long *bspstore, unsigned long *bsp)
* The inverse of the above: given bspstore and the number of * The inverse of the above: given bspstore and the number of
* registers, calculate ar.bsp. * registers, calculate ar.bsp.
*/ */
static __inline__ unsigned long * static __inline__ uint64_t
ia64_rse_skip_regs (unsigned long *addr, long num_regs) ia64_rse_skip_regs (uint64_t addr, long num_regs)
{ {
long delta = ia64_rse_slot_num(addr) + num_regs; long delta = ia64_rse_slot_num(addr) + num_regs;
if (num_regs < 0) if (num_regs < 0)
delta -= 0x3e; delta -= 0x3e;
return addr + num_regs + delta/0x3f; return addr + ((num_regs + delta/0x3f) << 3);
} }
#endif /* _ASM_IA64_RSE_H */ #endif /* RSE_H */