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authorMarcel Moolenaar <marcel@FreeBSD.org>2014-07-07 00:27:09 +0000
committerMarcel Moolenaar <marcel@FreeBSD.org>2014-07-07 00:27:09 +0000
commite7d939bda22b07be6b68ba38835c9167212fd56e (patch)
tree98db2559cee662a9de7212211dd5c69176b58254 /lib/libkvm
parent00cf40b0ca010cb2a6afb112650109dcabe80dea (diff)
downloadsrc-e7d939bda22b07be6b68ba38835c9167212fd56e.tar.gz
src-e7d939bda22b07be6b68ba38835c9167212fd56e.zip
Remove ia64.
This includes: o All directories named *ia64* o All files named *ia64* o All ia64-specific code guarded by __ia64__ o All ia64-specific makefile logic o Mention of ia64 in comments and documentation This excludes: o Everything under contrib/ o Everything under crypto/ o sys/xen/interface o sys/sys/elf_common.h Discussed at: BSDcan
Notes
Notes: svn path=/head/; revision=268351
Diffstat (limited to 'lib/libkvm')
-rw-r--r--lib/libkvm/kvm_amd64.c3
-rw-r--r--lib/libkvm/kvm_i386.c3
-rw-r--r--lib/libkvm/kvm_ia64.c375
3 files changed, 2 insertions, 379 deletions
diff --git a/lib/libkvm/kvm_amd64.c b/lib/libkvm/kvm_amd64.c
index 65d697c96160..9a5ec64e95e2 100644
--- a/lib/libkvm/kvm_amd64.c
+++ b/lib/libkvm/kvm_amd64.c
@@ -81,7 +81,7 @@ struct vmstate {
/*
* Map the ELF headers into the process' address space. We do this in two
* steps: first the ELF header itself and using that information the whole
- * set of headers. (Taken from kvm_ia64.c)
+ * set of headers.
*/
static int
_kvm_maphdrs(kvm_t *kd, size_t sz)
@@ -105,7 +105,6 @@ _kvm_maphdrs(kvm_t *kd, size_t sz)
/*
* Translate a physical memory address to a file-offset in the crash-dump.
- * (Taken from kvm_ia64.c)
*/
static size_t
_kvm_pa2off(kvm_t *kd, uint64_t pa, off_t *ofs)
diff --git a/lib/libkvm/kvm_i386.c b/lib/libkvm/kvm_i386.c
index 601126bc7a3f..45f0a5e9b88c 100644
--- a/lib/libkvm/kvm_i386.c
+++ b/lib/libkvm/kvm_i386.c
@@ -87,7 +87,7 @@ struct vmstate {
/*
* Map the ELF headers into the process' address space. We do this in two
* steps: first the ELF header itself and using that information the whole
- * set of headers. (Taken from kvm_ia64.c)
+ * set of headers.
*/
static int
_kvm_maphdrs(kvm_t *kd, size_t sz)
@@ -111,7 +111,6 @@ _kvm_maphdrs(kvm_t *kd, size_t sz)
/*
* Translate a physical memory address to a file-offset in the crash-dump.
- * (Taken from kvm_ia64.c)
*/
static size_t
_kvm_pa2off(kvm_t *kd, uint64_t pa, off_t *ofs)
diff --git a/lib/libkvm/kvm_ia64.c b/lib/libkvm/kvm_ia64.c
deleted file mode 100644
index 5db7e1e7ab09..000000000000
--- a/lib/libkvm/kvm_ia64.c
+++ /dev/null
@@ -1,375 +0,0 @@
-/* $FreeBSD$ */
-/* $NetBSD: kvm_alpha.c,v 1.7.2.1 1997/11/02 20:34:26 mellon Exp $ */
-
-/*
- * Copyright (c) 1994, 1995 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Author: Chris G. Demetriou
- *
- * Permission to use, copy, modify and distribute this software and
- * its documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie the
- * rights to redistribute these changes.
- */
-
-#include <sys/types.h>
-#include <sys/elf64.h>
-#include <sys/mman.h>
-
-#ifndef CROSS_LIBKVM
-#include <machine/atomic.h>
-#include <machine/bootinfo.h>
-#include <machine/elf.h>
-#include <machine/pte.h>
-#else
-#include "../../sys/ia64/include/atomic.h"
-#include "../../sys/ia64/include/bootinfo.h"
-#include "../../sys/ia64/include/elf.h"
-#include "../../sys/ia64/include/pte.h"
-#endif
-
-#include <kvm.h>
-#include <limits.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "kvm_private.h"
-
-#define REGION_BASE(n) (((uint64_t)(n)) << 61)
-#define REGION_ADDR(x) ((x) & ((1LL<<61)-1LL))
-
-#define NKPTEPG(ps) ((ps) / sizeof(struct ia64_lpte))
-#define NKPTEDIR(ps) ((ps) >> 3)
-#define KPTE_PTE_INDEX(va,ps) (((va)/(ps)) % NKPTEPG(ps))
-#define KPTE_DIR0_INDEX(va,ps) ((((va)/(ps)) / NKPTEPG(ps)) / NKPTEDIR(ps))
-#define KPTE_DIR1_INDEX(va,ps) ((((va)/(ps)) / NKPTEPG(ps)) % NKPTEDIR(ps))
-
-#define PBVM_BASE 0x9ffc000000000000UL
-#define PBVM_PGSZ (64 * 1024)
-
-typedef size_t (a2p_f)(kvm_t *, uint64_t, off_t *);
-
-struct vmstate {
- void *mmapbase;
- size_t mmapsize;
- size_t pagesize;
- u_long kptdir;
- u_long *pbvm_pgtbl;
- u_int pbvm_pgtblsz;
- a2p_f *kvatop;
-};
-
-/*
- * Map the ELF headers into the process' address space. We do this in two
- * steps: first the ELF header itself and using that information the whole
- * set of headers.
- */
-static int
-ia64_maphdrs(kvm_t *kd, size_t sz)
-{
- struct vmstate *vm = kd->vmst;
-
- /* munmap() previous mmap(). */
- if (vm->mmapbase != NULL) {
- munmap(vm->mmapbase, vm->mmapsize);
- vm->mmapbase = NULL;
- }
-
- vm->mmapsize = sz;
- vm->mmapbase = mmap(NULL, sz, PROT_READ, MAP_PRIVATE, kd->pmfd, 0);
- if (vm->mmapbase == MAP_FAILED) {
- _kvm_err(kd, kd->program, "cannot mmap corefile");
- return (-1);
- }
-
- return (0);
-}
-
-/*
- * Physical core support.
- */
-
-static size_t
-phys_addr2off(kvm_t *kd, uint64_t pa, off_t *ofs, size_t pgsz)
-{
- Elf64_Ehdr *e;
- Elf64_Phdr *p;
- int n;
-
- if (pa != REGION_ADDR(pa))
- goto fail;
-
- e = (Elf64_Ehdr *)(kd->vmst->mmapbase);
- n = e->e_phnum;
- p = (Elf64_Phdr *)(void *)((uintptr_t)(void *)e + e->e_phoff);
- while (n && (pa < p->p_paddr || pa >= p->p_paddr + p->p_memsz))
- p++, n--;
- if (n == 0)
- goto fail;
-
- *ofs = (pa - p->p_paddr) + p->p_offset;
- if (pgsz == 0)
- return (p->p_memsz - (pa - p->p_paddr));
- return (pgsz - ((size_t)pa & (pgsz - 1)));
-
- fail:
- _kvm_err(kd, kd->program, "invalid physical address %#jx",
- (uintmax_t)pa);
- return (0);
-}
-
-static size_t
-phys_kvatop(kvm_t *kd, uint64_t va, off_t *ofs)
-{
- struct ia64_lpte pte;
- uint64_t pa, pgaddr, pt0addr, pt1addr;
- size_t pgno, pgsz, pt0no, pt1no;
-
- if (va >= REGION_BASE(6)) {
- /* Regions 6 and 7: direct mapped. */
- pa = REGION_ADDR(va);
- return (phys_addr2off(kd, pa, ofs, 0));
- } else if (va >= REGION_BASE(5)) {
- /* Region 5: Kernel Virtual Memory. */
- va = REGION_ADDR(va);
- pgsz = kd->vmst->pagesize;
- pt0no = KPTE_DIR0_INDEX(va, pgsz);
- pt1no = KPTE_DIR1_INDEX(va, pgsz);
- pgno = KPTE_PTE_INDEX(va, pgsz);
- if (pt0no >= NKPTEDIR(pgsz))
- goto fail;
- pt0addr = kd->vmst->kptdir + (pt0no << 3);
- if (kvm_read(kd, pt0addr, &pt1addr, 8) != 8)
- goto fail;
- if (pt1addr == 0)
- goto fail;
- pt1addr += pt1no << 3;
- if (kvm_read(kd, pt1addr, &pgaddr, 8) != 8)
- goto fail;
- if (pgaddr == 0)
- goto fail;
- pgaddr += pgno * sizeof(pte);
- if (kvm_read(kd, pgaddr, &pte, sizeof(pte)) != sizeof(pte))
- goto fail;
- if (!(pte.pte & PTE_PRESENT))
- goto fail;
- pa = (pte.pte & PTE_PPN_MASK) + (va & (pgsz - 1));
- return (phys_addr2off(kd, pa, ofs, pgsz));
- } else if (va >= PBVM_BASE) {
- /* Region 4: Pre-Boot Virtual Memory (PBVM). */
- va -= PBVM_BASE;
- pgsz = PBVM_PGSZ;
- pt0no = va / pgsz;
- if (pt0no >= (kd->vmst->pbvm_pgtblsz >> 3))
- goto fail;
- pt0addr = kd->vmst->pbvm_pgtbl[pt0no];
- if (!(pt0addr & PTE_PRESENT))
- goto fail;
- pa = (pt0addr & PTE_PPN_MASK) + va % pgsz;
- return (phys_addr2off(kd, pa, ofs, pgsz));
- }
-
- fail:
- _kvm_err(kd, kd->program, "invalid kernel virtual address %#jx",
- (uintmax_t)va);
- *ofs = -1;
- return (0);
-}
-
-static ssize_t
-phys_read(kvm_t *kd, uint64_t pa, void *buf, size_t bufsz)
-{
- off_t ofs;
- size_t sz;
-
- sz = phys_addr2off(kd, pa, &ofs, 0);
- if (sz < bufsz)
- return ((ssize_t)sz);
-
- if (lseek(kd->pmfd, ofs, 0) == -1)
- return (-1);
- return (read(kd->pmfd, buf, bufsz));
-}
-
-/*
- * Virtual core support (aka minidump).
- */
-
-static size_t
-virt_addr2off(kvm_t *kd, uint64_t va, off_t *ofs, size_t pgsz)
-{
- Elf64_Ehdr *e;
- Elf64_Phdr *p;
- int n;
-
- if (va < REGION_BASE(4))
- goto fail;
-
- e = (Elf64_Ehdr *)(kd->vmst->mmapbase);
- n = e->e_phnum;
- p = (Elf64_Phdr *)(void *)((uintptr_t)(void *)e + e->e_phoff);
- while (n && (va < p->p_vaddr || va >= p->p_vaddr + p->p_memsz))
- p++, n--;
- if (n == 0)
- goto fail;
-
- *ofs = (va - p->p_vaddr) + p->p_offset;
- if (pgsz == 0)
- return (p->p_memsz - (va - p->p_vaddr));
- return (pgsz - ((size_t)va & (pgsz - 1)));
-
- fail:
- _kvm_err(kd, kd->program, "invalid virtual address %#jx",
- (uintmax_t)va);
- return (0);
-}
-
-static size_t
-virt_kvatop(kvm_t *kd, uint64_t va, off_t *ofs)
-{
-
- return (virt_addr2off(kd, va, ofs, 0));
-}
-
-/*
- * KVM architecture support functions.
- */
-
-void
-_kvm_freevtop(kvm_t *kd)
-{
- struct vmstate *vm = kd->vmst;
-
- if (vm->pbvm_pgtbl != NULL)
- free(vm->pbvm_pgtbl);
- if (vm->mmapbase != NULL)
- munmap(vm->mmapbase, vm->mmapsize);
- free(vm);
- kd->vmst = NULL;
-}
-
-int
-_kvm_initvtop(kvm_t *kd)
-{
- struct bootinfo bi;
- struct nlist nl[2];
- uint64_t va;
- Elf64_Ehdr *ehdr;
- size_t hdrsz;
- ssize_t sz;
-
- kd->vmst = (struct vmstate *)_kvm_malloc(kd, sizeof(*kd->vmst));
- if (kd->vmst == NULL) {
- _kvm_err(kd, kd->program, "cannot allocate vm");
- return (-1);
- }
-
-#ifndef CROSS_LIBKVM
- kd->vmst->pagesize = getpagesize();
-#else
- kd->vmst->pagesize = 8192;
-#endif
-
- if (ia64_maphdrs(kd, sizeof(Elf64_Ehdr)) == -1)
- return (-1);
-
- ehdr = kd->vmst->mmapbase;
- hdrsz = ehdr->e_phoff + ehdr->e_phentsize * ehdr->e_phnum;
- if (ia64_maphdrs(kd, hdrsz) == -1)
- return (-1);
-
- kd->vmst->kvatop = (ehdr->e_flags & EF_IA_64_ABSOLUTE) ?
- phys_kvatop : virt_kvatop;
-
- /*
- * Load the PBVM page table. We need this to resolve PBVM addresses.
- * The PBVM page table is obtained from the bootinfo structure, of
- * which the address is given to us in e_entry. If e_entry is 0, then
- * this is assumed to be a pre-PBVM kernel.
- * Note that the address of the bootinfo structure is either physical
- * or virtual, depending on whether the core is physical or virtual.
- */
- if (ehdr->e_entry != 0 && (ehdr->e_flags & EF_IA_64_ABSOLUTE) != 0) {
- sz = phys_read(kd, ehdr->e_entry, &bi, sizeof(bi));
- if (sz != sizeof(bi)) {
- _kvm_err(kd, kd->program,
- "cannot read bootinfo at physical address %#jx",
- (uintmax_t)ehdr->e_entry);
- return (-1);
- }
- if (bi.bi_magic != BOOTINFO_MAGIC) {
- _kvm_err(kd, kd->program, "invalid bootinfo");
- return (-1);
- }
- kd->vmst->pbvm_pgtbl = _kvm_malloc(kd, bi.bi_pbvm_pgtblsz);
- if (kd->vmst->pbvm_pgtbl == NULL) {
- _kvm_err(kd, kd->program, "cannot allocate page table");
- return (-1);
- }
- kd->vmst->pbvm_pgtblsz = bi.bi_pbvm_pgtblsz;
- sz = phys_read(kd, bi.bi_pbvm_pgtbl, kd->vmst->pbvm_pgtbl,
- bi.bi_pbvm_pgtblsz);
- if (sz != bi.bi_pbvm_pgtblsz) {
- _kvm_err(kd, kd->program,
- "cannot read page table at physical address %#jx",
- (uintmax_t)bi.bi_pbvm_pgtbl);
- return (-1);
- }
- } else {
- kd->vmst->pbvm_pgtbl = NULL;
- kd->vmst->pbvm_pgtblsz = 0;
- }
-
- /*
- * At this point we've got enough information to use kvm_read() for
- * direct mapped (ie region 6 and region 7) address, such as symbol
- * addresses/values.
- */
-
- nl[0].n_name = "ia64_kptdir";
- nl[1].n_name = 0;
-
- if (kvm_nlist(kd, nl) != 0) {
- _kvm_err(kd, kd->program, "bad namelist");
- return (-1);
- }
-
- if (kvm_read(kd, (nl[0].n_value), &va, sizeof(va)) != sizeof(va)) {
- _kvm_err(kd, kd->program, "cannot read kptdir");
- return (-1);
- }
-
- if (va == REGION_BASE(5)) {
- _kvm_err(kd, kd->program, "kptdir is itself virtual");
- return (-1);
- }
-
- kd->vmst->kptdir = va;
- return (0);
-}
-
-int
-_kvm_kvatop(kvm_t *kd, u_long va, off_t *ofs)
-{
- size_t sz;
-
- sz = kd->vmst->kvatop(kd, va, ofs);
- return ((sz > INT_MAX) ? INT_MAX : sz);
-}