diff options
| author | Peter Wemm <peter@FreeBSD.org> | 2006-04-21 04:32:51 +0000 |
|---|---|---|
| committer | Peter Wemm <peter@FreeBSD.org> | 2006-04-21 04:32:51 +0000 |
| commit | e9ca6fe47ef888298b2482cba9f35daf6c1c0d8b (patch) | |
| tree | c546335c0248613d0123d64bcdb8f956ae439af1 /lib/libkvm/kvm_i386.c | |
| parent | 4503a06eef66154a21f178eea3156b40f2d32ca3 (diff) | |
Notes
Diffstat (limited to 'lib/libkvm/kvm_i386.c')
| -rw-r--r-- | lib/libkvm/kvm_i386.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_i386.c b/lib/libkvm/kvm_i386.c index 258c2f2385741..9560cc926b802 100644 --- a/lib/libkvm/kvm_i386.c +++ b/lib/libkvm/kvm_i386.c @@ -78,7 +78,9 @@ static char sccsid[] = "@(#)kvm_hp300.c 8.1 (Berkeley) 6/4/93"; #define NPTEPG_PAE (PAGE_SIZE/sizeof(uint64_t)) #define NBPDR_PAE (1<<PDRSHIFT_PAE) +/* minidump must be the first item! */ struct vmstate { + int minidump; /* 1 = minidump mode */ void *mmapbase; size_t mmapsize; void *PTD; @@ -134,6 +136,8 @@ _kvm_freevtop(kvm_t *kd) { struct vmstate *vm = kd->vmst; + if (kd->vmst->minidump) + return (_kvm_minidump_freevtop(kd)); if (vm->mmapbase != NULL) munmap(vm->mmapbase, vm->mmapsize); if (vm->PTD) @@ -152,6 +156,11 @@ _kvm_initvtop(kvm_t *kd) Elf_Ehdr *ehdr; size_t hdrsz; int i; + char minihdr[8]; + + if (pread(kd->pmfd, &minihdr, 8, 0) == 8) + if (memcmp(&minihdr, "minidump", 8) == 0) + return (_kvm_minidump_initvtop(kd)); kd->vmst = (struct vmstate *)_kvm_malloc(kd, sizeof(*kd->vmst)); if (kd->vmst == 0) { @@ -426,6 +435,8 @@ int _kvm_kvatop(kvm_t *kd, u_long va, off_t *pa) { + if (kd->vmst->minidump) + return (_kvm_minidump_kvatop(kd, va, pa)); if (ISALIVE(kd)) { _kvm_err(kd, 0, "vatop called in live kernel!"); return (0); |