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Need to be able to handle sparc64 executables as well.

This commit is contained in:
eeh 1999-01-30 16:57:25 +00:00
parent 8ed711f1bc
commit d2aa2f5098
1 changed files with 65 additions and 5 deletions
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70
lib/libkvm/kvm_sparc.c
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@ -1,4 +1,4 @@
/* $NetBSD: kvm_sparc.c,v 1.18 1998/06/30 20:29:40 thorpej Exp $ */
/* $NetBSD: kvm_sparc.c,v 1.19 1999/01/30 16:57:25 eeh Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -42,7 +42,7 @@
#if 0
static char sccsid[] = "@(#)kvm_sparc.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: kvm_sparc.c,v 1.18 1998/06/30 20:29:40 thorpej Exp $");
__RCSID("$NetBSD: kvm_sparc.c,v 1.19 1999/01/30 16:57:25 eeh Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -108,6 +108,7 @@ _kvm_initvtop(kd)
switch (cputyp = cpup->cputype) {
case CPU_SUN4:
case CPU_SUN4U:
kd->nbpg = 8196;
pgshift = 13;
break;
@ -140,9 +141,18 @@ _kvm_kvatop(kd, va, pa)
if (_kvm_initvtop(kd) != 0)
return (-1);
return ((cputyp == CPU_SUN4M)
? _kvm_kvatop4m(kd, va, pa)
: _kvm_kvatop44c(kd, va, pa));
switch (cputyp) {
case CPU_SUN4:
case CPU_SUN4C:
return _kvm_kvatop44c(kd, va, pa);
break;
case CPU_SUN4M:
return _kvm_kvatop4m(kd, va, pa);
break;
case CPU_SUN4U:
default:
return _kvm_kvatop4u(kd, va, pa);
}
}
/*
@ -255,6 +265,56 @@ err:
return (0);
}
/*
* pmap's 32-bit page table format
*/
int
_kvm_kvatop4u(kd, va, pa)
kvm_t *kd;
u_long va;
u_long *pa;
{
int vr, vs;
cpu_kcore_hdr_t *cpup = kd->cpu_data;
int64_t **segmaps;
int64_t *ptes;
int64_t pte;
int nkreg, nureg;
u_long kernbase = cpup->kernbase;
int64_t kphys = cpup->kphys;
if (va < kernbase)
goto err;
/*
* Kernel layout:
*
* kernbase:
* 4MB locked TLB (text+data+BSS)
* Random other stuff.
*/
if (va >= kernbase && va < kernbase + 4*MEG)
return (va - kernbase) + kphys;
/*
* Layout of CPU segment:
* cpu_kcore_hdr_t;
* [alignment]
* phys_ram_seg_t[cpup->nmemseg];
* segmap[cpup->nsegmap];
*/
segmaps = ((long)kd->cpu_data + cpup->segmapoffset);
ptes = (int64_t *)_kvm_pa2off(kd, segmaps[va_to_seg(va)]);
pte = ptes[va_to_pte(va)];
if ((pte & TLB_V) != 0) {
return ((pte & TLB_PA_MASK) | (va & PGOFSET);
}
err:
_kvm_err(kd, 0, "invalid address (%x)", va);
return (0);
}
/*
* Translate a physical address to a file-offset in the crash-dump.
*/