diff options
| author | Andriy Gapon <avg@FreeBSD.org> | 2009-06-24 16:03:57 +0000 |
|---|---|---|
| committer | Andriy Gapon <avg@FreeBSD.org> | 2009-06-24 16:03:57 +0000 |
| commit | f340e9fe71c216c82a96b6f8489708eaca05a3af (patch) | |
| tree | ee7a0fca81ffa4d012c748d55a8607672fc9295f /sys | |
| parent | b53ce1751586cf7e53785aa1abc706e8b3daf083 (diff) | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/cddl/dev/dtrace/amd64/dtrace_isa.c | 14 | ||||
| -rw-r--r-- | sys/cddl/dev/dtrace/amd64/dtrace_subr.c | 1 |
2 files changed, 6 insertions, 9 deletions
diff --git a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c index 8cd2a0ff649d..c58e88ec71a4 100644 --- a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c +++ b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c @@ -42,8 +42,6 @@ #include <vm/vm_param.h> #include <vm/pmap.h> -extern uintptr_t kernbase; -uintptr_t kernelbase = (uintptr_t) &kernbase; uint8_t dtrace_fuword8_nocheck(void *); uint16_t dtrace_fuword16_nocheck(void *); @@ -524,9 +522,9 @@ dtrace_getreg(struct regs *rp, uint_t reg) static int dtrace_copycheck(uintptr_t uaddr, uintptr_t kaddr, size_t size) { - ASSERT(kaddr >= kernelbase && kaddr + size >= kaddr); + ASSERT(INKERNEL(kaddr) && kaddr + size >= kaddr); - if (uaddr + size >= kernelbase || uaddr + size < uaddr) { + if (uaddr + size > VM_MAXUSER_ADDRESS || uaddr + size < uaddr) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = uaddr; return (0); @@ -570,7 +568,7 @@ dtrace_copyoutstr(uintptr_t kaddr, uintptr_t uaddr, size_t size, uint8_t dtrace_fuword8(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); @@ -581,7 +579,7 @@ dtrace_fuword8(void *uaddr) uint16_t dtrace_fuword16(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); @@ -592,7 +590,7 @@ dtrace_fuword16(void *uaddr) uint32_t dtrace_fuword32(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); @@ -603,7 +601,7 @@ dtrace_fuword32(void *uaddr) uint64_t dtrace_fuword64(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); diff --git a/sys/cddl/dev/dtrace/amd64/dtrace_subr.c b/sys/cddl/dev/dtrace/amd64/dtrace_subr.c index 4bf0f039ec9b..260b99be2fef 100644 --- a/sys/cddl/dev/dtrace/amd64/dtrace_subr.c +++ b/sys/cddl/dev/dtrace/amd64/dtrace_subr.c @@ -40,7 +40,6 @@ #include <machine/frame.h> #include <vm/pmap.h> -extern uintptr_t kernelbase; extern uintptr_t dtrace_in_probe_addr; extern int dtrace_in_probe; |