diff options
| author |   miod <miod@openbsd.org> | 2003-05-30 20:47:53 +0000 |
|---|---|---|
| committer | miod <miod@openbsd.org> | 2003-05-30 20:47:53 +0000 |
| commit | d9bf5006191773c34295fc20380f5ddc15e3a2ef (patch) | |
| tree | 4ce4cfe39c303f5aed03f89d8ec0639c62ac017b | |
| parent | i sent you the damn working diff, didn't i? (diff) | |
| download | wireguard-openbsd-d9bf5006191773c34295fc20380f5ddc15e3a2ef.tar.xz wireguard-openbsd-d9bf5006191773c34295fc20380f5ddc15e3a2ef.zip | |
Working process core dumps, borrowed from m68k code.
| -rw-r--r-- | sys/arch/mvme88k/mvme88k/vm_machdep.c | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/sys/arch/mvme88k/mvme88k/vm_machdep.c b/sys/arch/mvme88k/mvme88k/vm_machdep.c index 8978b6a65f0..3e635e3add9 100644 --- a/sys/arch/mvme88k/mvme88k/vm_machdep.c +++ b/sys/arch/mvme88k/mvme88k/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.49 2003/01/04 01:12:08 miod Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.50 2003/05/30 20:47:53 miod Exp $ */ /* * Copyright (c) 1998 Steve Murphree, Jr. @@ -54,6 +54,9 @@ #include <sys/user.h> #include <sys/vnode.h> #include <sys/extent.h> +#include <sys/core.h> +#include <sys/exec.h> +#include <sys/ptrace.h> #include <uvm/uvm_extern.h> @@ -172,11 +175,48 @@ cpu_exit(struct proc *p) /* NOTREACHED */ } +/* + * Dump the machine specific header information at the start of a core dump. + */ int -cpu_coredump(struct proc *p, struct vnode *vp, struct ucred *cred, struct core *corep) +cpu_coredump(p, vp, cred, chdr) + struct proc *p; + struct vnode *vp; + struct ucred *cred; + struct core *chdr; { - return (vn_rdwr(UIO_WRITE, vp, (caddr_t) p->p_addr, ctob(UPAGES), - (off_t)0, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, NULL, p)); + struct reg reg; + struct coreseg cseg; + int error; + + CORE_SETMAGIC(*chdr, COREMAGIC, MID_MACHINE, 0); + chdr->c_hdrsize = ALIGN(sizeof(*chdr)); + chdr->c_seghdrsize = ALIGN(sizeof(cseg)); + chdr->c_cpusize = sizeof(reg); + + /* Save registers. */ + error = process_read_regs(p, ®); + if (error) + return error; + + CORE_SETMAGIC(cseg, CORESEGMAGIC, MID_MACHINE, CORE_CPU); + cseg.c_addr = 0; + cseg.c_size = chdr->c_cpusize; + + error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize, + (off_t)chdr->c_hdrsize, UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, + NULL, p); + if (error) + return error; + + error = vn_rdwr(UIO_WRITE, vp, (caddr_t)®, sizeof(reg), + (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE, + IO_NODELOCKED|IO_UNIT, cred, NULL, p); + if (error) + return error; + + chdr->c_nseg++; + return 0; } /* |