/*
- * Copyright (c) 2000-2007 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <mach/mach_types.h>
+#include <mach/vm_param.h>
#include <sys/appleapiopts.h>
#include <kern/debug.h>
#include <uuid/uuid.h>
#include <kdp/kdp_internal.h>
#include <kdp/kdp_private.h>
#include <kdp/kdp_core.h>
-#include <kdp/kdp_dyld.h>
#include <libsa/types.h>
+#include <libkern/section_keywords.h>
+#include <libkern/version.h>
#include <string.h> /* bcopy */
#include <kern/processor.h>
#include <kern/thread.h>
+#include <kern/clock.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
+#include <vm/vm_pageout.h>
+#include <vm/vm_shared_region.h>
+#include <libkern/OSKextLibPrivate.h>
-#define DO_ALIGN 1 /* align all packet data accesses */
+#define DO_ALIGN 1 /* align all packet data accesses */
#define KDP_TEST_HARNESS 0
-#if KDP_TEST_HARNESS
-#define dprintf(x) kprintf x
+#if KDP_TEST_HARNESS
+#define dprintf(x) kprintf x
#else
#define dprintf(x)
#endif
-static kdp_dispatch_t
- dispatch_table[KDP_INVALID_REQUEST-KDP_CONNECT] =
- {
-/* 0 */ kdp_connect,
-/* 1 */ kdp_disconnect,
-/* 2 */ kdp_hostinfo,
-/* 3 */ kdp_version,
-/* 4 */ kdp_maxbytes,
-/* 5 */ kdp_readmem,
-/* 6 */ kdp_writemem,
-/* 7 */ kdp_readregs,
-/* 8 */ kdp_writeregs,
+SECURITY_READ_ONLY_EARLY(static kdp_dispatch_t)
+dispatch_table[KDP_INVALID_REQUEST - KDP_CONNECT] =
+{
+/* 0 */ kdp_connect,
+/* 1 */ kdp_disconnect,
+/* 2 */ kdp_hostinfo,
+/* 3 */ kdp_version,
+/* 4 */ kdp_maxbytes,
+/* 5 */ kdp_readmem,
+/* 6 */ kdp_writemem,
+/* 7 */ kdp_readregs,
+/* 8 */ kdp_writeregs,
/* 9 */ kdp_unknown,
/* A */ kdp_unknown,
-/* B */ kdp_suspend,
-/* C */ kdp_resumecpus,
-/* D */ kdp_unknown,
+/* B */ kdp_suspend,
+/* C */ kdp_resumecpus,
+/* D */ kdp_unknown,
/* E */ kdp_unknown,
/* F */ kdp_breakpoint_set,
/*10 */ kdp_breakpoint_remove,
-/*11 */ kdp_regions,
+/*11 */ kdp_regions,
/*12 */ kdp_reattach,
/*13 */ kdp_reboot,
/*14 */ kdp_readmem64,
/*1D */ kdp_readmsr64,
/*1E */ kdp_writemsr64,
/*1F */ kdp_dumpinfo,
- };
-
-kdp_glob_t kdp;
+};
+
+kdp_glob_t kdp;
#define MAX_BREAKPOINTS 100
* Version 11 of the KDP Protocol adds support for 64-bit wide memory
* addresses (read/write and breakpoints) as well as a dedicated
* kernelversion request. Version 12 adds read/writing of physical
- * memory with 64-bit wide memory addresses.
+ * memory with 64-bit wide memory addresses.
*/
#define KDP_VERSION 12
typedef struct{
- mach_vm_address_t address;
- uint32_t bytesused;
- uint8_t oldbytes[MAX_BREAKINSN_BYTES];
+ mach_vm_address_t address;
+ uint32_t bytesused;
+ uint8_t oldbytes[MAX_BREAKINSN_BYTES];
} kdp_breakpoint_record_t;
static kdp_breakpoint_record_t breakpoint_list[MAX_BREAKPOINTS];
int reattach_wait = 0;
int noresume_on_disconnect = 0;
-extern unsigned int return_on_panic;
-
-typedef struct thread_snapshot *thread_snapshot_t;
-typedef struct task_snapshot *task_snapshot_t;
-
-extern int
-machine_trace_thread(thread_t thread, char *tracepos, char *tracebound, int nframes, boolean_t user_p);
-extern int
-machine_trace_thread64(thread_t thread, char *tracepos, char *tracebound, int nframes, boolean_t user_p);
-extern int
-proc_pid(void *p);
-extern void
-proc_name_kdp(task_t task, char *buf, int size);
-
-extern void
-kdp_snapshot_postflight(void);
-
-static int
-pid_from_task(task_t task);
kdp_error_t
kdp_set_breakpoint_internal(
- mach_vm_address_t address
- );
+ mach_vm_address_t address
+ );
kdp_error_t
kdp_remove_breakpoint_internal(
- mach_vm_address_t address
- );
-
-
-int
-kdp_stackshot(int pid, void *tracebuf, uint32_t tracebuf_size, uint32_t trace_flags, uint32_t dispatch_offset, uint32_t *pbytesTraced);
-
-boolean_t kdp_copyin(pmap_t, uint64_t, void *, size_t);
-extern void bcopy_phys(addr64_t, addr64_t, vm_size_t);
-
-extern char version[];
+ mach_vm_address_t address
+ );
boolean_t
kdp_packet(
- unsigned char *pkt,
- int *len,
- unsigned short *reply_port
-)
+ unsigned char *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- static unsigned aligned_pkt[1538/sizeof(unsigned)+1]; // max ether pkt
- kdp_pkt_t *rd = (kdp_pkt_t *)&aligned_pkt;
- size_t plen = *len;
- kdp_req_t req;
- boolean_t ret;
-
+ static unsigned aligned_pkt[1538 / sizeof(unsigned) + 1];// max ether pkt
+ kdp_pkt_t *rd = (kdp_pkt_t *)&aligned_pkt;
+ size_t plen = *len;
+ kdp_req_t req;
+ boolean_t ret;
+
#if DO_ALIGN
- bcopy((char *)pkt, (char *)rd, sizeof(aligned_pkt));
+ if (plen > sizeof(aligned_pkt)) {
+ printf("kdp_packet bad len %lu\n", plen);
+ return FALSE;
+ }
+ bcopy((char *)pkt, (char *)rd, plen);
#else
- rd = (kdp_pkt_t *)pkt;
+ rd = (kdp_pkt_t *)pkt;
#endif
- if (plen < sizeof (rd->hdr) || rd->hdr.len != plen) {
- printf("kdp_packet bad len pkt %lu hdr %d\n", plen, rd->hdr.len);
-
- return (FALSE);
- }
-
- if (rd->hdr.is_reply) {
- printf("kdp_packet reply recvd req %x seq %x\n",
- rd->hdr.request, rd->hdr.seq);
-
- return (FALSE);
- }
-
- req = rd->hdr.request;
- if (req >= KDP_INVALID_REQUEST) {
- printf("kdp_packet bad request %x len %d seq %x key %x\n",
- rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key);
+ if (plen < sizeof(rd->hdr) || rd->hdr.len != plen) {
+ printf("kdp_packet bad len pkt %lu hdr %d\n", plen, rd->hdr.len);
+
+ return FALSE;
+ }
+
+ if (rd->hdr.is_reply) {
+ printf("kdp_packet reply recvd req %x seq %x\n",
+ rd->hdr.request, rd->hdr.seq);
+
+ return FALSE;
+ }
+
+ req = rd->hdr.request;
+ if (req >= KDP_INVALID_REQUEST) {
+ printf("kdp_packet bad request %x len %d seq %x key %x\n",
+ rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key);
- return (FALSE);
- }
-
- ret = ((*dispatch_table[req - KDP_CONNECT])(rd, len, reply_port));
+ return FALSE;
+ }
+
+ ret = ((*dispatch_table[req - KDP_CONNECT])(rd, len, reply_port));
#if DO_ALIGN
- bcopy((char *)rd, (char *) pkt, *len);
+ bcopy((char *)rd, (char *) pkt, *len);
#endif
- return ret;
+ return ret;
}
static boolean_t
kdp_unknown(
- kdp_pkt_t *pkt,
- __unused int *len,
- __unused unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ __unused int *len,
+ __unused unsigned short *reply_port
+ )
{
- kdp_pkt_t *rd = (kdp_pkt_t *)pkt;
+ kdp_pkt_t *rd = (kdp_pkt_t *)pkt;
- printf("kdp_unknown request %x len %d seq %x key %x\n",
- rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key);
+ printf("kdp_unknown request %x len %d seq %x key %x\n",
+ rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key);
- return (FALSE);
+ return FALSE;
}
static boolean_t
kdp_connect(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_connect_req_t *rq = &pkt->connect_req;
- size_t plen = *len;
- kdp_connect_reply_t *rp = &pkt->connect_reply;
- uint16_t rport, eport;
- uint32_t key;
- uint8_t seq;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- dprintf(("kdp_connect seq %x greeting %s\n", rq->hdr.seq, rq->greeting));
-
- rport = rq->req_reply_port;
- eport = rq->exc_note_port;
- key = rq->hdr.key;
- seq = rq->hdr.seq;
- if (kdp.is_conn) {
- if ((seq == kdp.conn_seq) && /* duplicate request */
- (rport == kdp.reply_port) &&
- (eport == kdp.exception_port) &&
- (key == kdp.session_key))
- rp->error = KDPERR_NO_ERROR;
- else
- rp->error = KDPERR_ALREADY_CONNECTED;
- }
- else {
- kdp.reply_port = rport;
- kdp.exception_port = eport;
- kdp.is_conn = TRUE;
- kdp.conn_seq = seq;
- kdp.session_key = key;
-
- rp->error = KDPERR_NO_ERROR;
- }
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- *reply_port = rport;
- *len = rp->hdr.len;
-
- if (current_debugger == KDP_CUR_DB)
- active_debugger=1;
-
- return (TRUE);
+ kdp_connect_req_t *rq = &pkt->connect_req;
+ size_t plen = *len;
+ kdp_connect_reply_t *rp = &pkt->connect_reply;
+ uint16_t rport, eport;
+ uint32_t key;
+ uint8_t seq;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ dprintf(("kdp_connect seq %x greeting %s\n", rq->hdr.seq, rq->greeting));
+
+ rport = rq->req_reply_port;
+ eport = rq->exc_note_port;
+ key = rq->hdr.key;
+ seq = rq->hdr.seq;
+ if (kdp.is_conn) {
+ if ((seq == kdp.conn_seq) && /* duplicate request */
+ (rport == kdp.reply_port) &&
+ (eport == kdp.exception_port) &&
+ (key == kdp.session_key)) {
+ rp->error = KDPERR_NO_ERROR;
+ } else {
+ rp->error = KDPERR_ALREADY_CONNECTED;
+ }
+ } else {
+ kdp.reply_port = rport;
+ kdp.exception_port = eport;
+ kdp.is_conn = TRUE;
+ kdp.conn_seq = seq;
+ kdp.session_key = key;
+
+ rp->error = KDPERR_NO_ERROR;
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ *reply_port = rport;
+ *len = rp->hdr.len;
+
+ if (current_debugger == KDP_CUR_DB) {
+ active_debugger = 1;
+ }
+
+ return TRUE;
}
static boolean_t
kdp_disconnect(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_disconnect_req_t *rq = &pkt->disconnect_req;
- size_t plen = *len;
- kdp_disconnect_reply_t *rp = &pkt->disconnect_reply;
+ kdp_disconnect_req_t *rq = &pkt->disconnect_req;
+ size_t plen = *len;
+ kdp_disconnect_reply_t *rp = &pkt->disconnect_reply;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ if (!kdp.is_conn) {
+ return FALSE;
+ }
- if (plen < sizeof (*rq))
- return (FALSE);
-
- if (!kdp.is_conn)
- return (FALSE);
+ dprintf(("kdp_disconnect\n"));
- dprintf(("kdp_disconnect\n"));
-
- *reply_port = kdp.reply_port;
+ *reply_port = kdp.reply_port;
- kdp.reply_port = kdp.exception_port = 0;
- kdp.is_halted = kdp.is_conn = FALSE;
- kdp.exception_seq = kdp.conn_seq = 0;
- kdp.session_key = 0;
+ kdp.reply_port = kdp.exception_port = 0;
+ kdp.is_halted = kdp.is_conn = FALSE;
+ kdp.exception_seq = kdp.conn_seq = 0;
+ kdp.session_key = 0;
- if ((panicstr != NULL) && (return_on_panic == 0))
- reattach_wait = 1;
+ if (debugger_panic_str != NULL) {
+ reattach_wait = 1;
+ }
- if (noresume_on_disconnect == 1) {
- reattach_wait = 1;
- noresume_on_disconnect = 0;
- }
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- *len = rp->hdr.len;
-
- if (current_debugger == KDP_CUR_DB)
- active_debugger=0;
-
- return (TRUE);
+ if (noresume_on_disconnect == 1) {
+ reattach_wait = 1;
+ noresume_on_disconnect = 0;
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ *len = rp->hdr.len;
+
+ if (current_debugger == KDP_CUR_DB) {
+ active_debugger = 0;
+ }
+
+ return TRUE;
}
static boolean_t
kdp_reattach(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_reattach_req_t *rq = &pkt->reattach_req;
+ kdp_reattach_req_t *rq = &pkt->reattach_req;
- kdp.is_conn = TRUE;
- kdp_disconnect(pkt, len, reply_port);
- *reply_port = rq->req_reply_port;
- reattach_wait = 1;
- return (TRUE);
+ kdp.is_conn = TRUE;
+ kdp_disconnect(pkt, len, reply_port);
+ *reply_port = rq->req_reply_port;
+ reattach_wait = 1;
+ return TRUE;
}
static boolean_t
kdp_hostinfo(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_hostinfo_req_t *rq = &pkt->hostinfo_req;
- size_t plen = *len;
- kdp_hostinfo_reply_t *rp = &pkt->hostinfo_reply;
+ kdp_hostinfo_req_t *rq = &pkt->hostinfo_req;
+ size_t plen = *len;
+ kdp_hostinfo_reply_t *rp = &pkt->hostinfo_reply;
- if (plen < sizeof (*rq))
- return (FALSE);
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
dprintf(("kdp_hostinfo\n"));
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
- kdp_machine_hostinfo(&rp->hostinfo);
+ kdp_machine_hostinfo(&rp->hostinfo);
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_kernelversion(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_kernelversion_req_t *rq = &pkt->kernelversion_req;
- size_t plen = *len;
- kdp_kernelversion_reply_t *rp = &pkt->kernelversion_reply;
- size_t slen;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- dprintf(("kdp_kernelversion\n"));
- slen = strlcpy(rp->version, version, MAX_KDP_DATA_SIZE);
-
+ kdp_kernelversion_req_t *rq = &pkt->kernelversion_req;
+ size_t plen = *len;
+ kdp_kernelversion_reply_t *rp = &pkt->kernelversion_reply;
+ size_t slen;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ dprintf(("kdp_kernelversion\n"));
+ slen = strlcpy(rp->version, kdp_kernelversion_string, MAX_KDP_DATA_SIZE);
+
rp->hdr.len += slen + 1; /* strlcpy returns the amount copied with NUL */
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_suspend(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_suspend_req_t *rq = &pkt->suspend_req;
- size_t plen = *len;
- kdp_suspend_reply_t *rp = &pkt->suspend_reply;
+ kdp_suspend_req_t *rq = &pkt->suspend_req;
+ size_t plen = *len;
+ kdp_suspend_reply_t *rp = &pkt->suspend_reply;
- if (plen < sizeof (*rq))
- return (FALSE);
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ dprintf(("kdp_suspend\n"));
- dprintf(("kdp_suspend\n"));
+ kdp.is_halted = TRUE;
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
- kdp.is_halted = TRUE;
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ return TRUE;
}
static boolean_t
kdp_resumecpus(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_resumecpus_req_t *rq = &pkt->resumecpus_req;
- size_t plen = *len;
- kdp_resumecpus_reply_t *rp = &pkt->resumecpus_reply;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- dprintf(("kdp_resumecpus %x\n", rq->cpu_mask));
-
- kdp.is_halted = FALSE;
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ kdp_resumecpus_req_t *rq = &pkt->resumecpus_req;
+ size_t plen = *len;
+ kdp_resumecpus_reply_t *rp = &pkt->resumecpus_reply;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ dprintf(("kdp_resumecpus %x\n", rq->cpu_mask));
+
+ kdp.is_halted = FALSE;
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_writemem(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_writemem_req_t *rq = &pkt->writemem_req;
- size_t plen = *len;
- kdp_writemem_reply_t *rp = &pkt->writemem_reply;
- mach_vm_size_t cnt;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
- rp->error = KDPERR_BAD_NBYTES;
- else {
- dprintf(("kdp_writemem addr %x size %d\n", rq->address, rq->nbytes));
-
- cnt = kdp_machine_vm_write((caddr_t)rq->data, (mach_vm_address_t)rq->address, rq->nbytes);
- rp->error = KDPERR_NO_ERROR;
- }
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ kdp_writemem_req_t *rq = &pkt->writemem_req;
+ size_t plen = *len;
+ kdp_writemem_reply_t *rp = &pkt->writemem_reply;
+ mach_vm_size_t cnt;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ if (rq->nbytes > MAX_KDP_DATA_SIZE) {
+ rp->error = KDPERR_BAD_NBYTES;
+ } else {
+ dprintf(("kdp_writemem addr %x size %d\n", rq->address, rq->nbytes));
+ cnt = kdp_machine_vm_write((caddr_t)rq->data, (mach_vm_address_t)rq->address, rq->nbytes);
+ rp->error = KDPERR_ACCESS(rq->nbytes, cnt);
+ dprintf((" cnt %lld error %d\n", cnt, rp->error));
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_writemem64(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_writemem64_req_t *rq = &pkt->writemem64_req;
- size_t plen = *len;
- kdp_writemem64_reply_t *rp = &pkt->writemem64_reply;
- mach_vm_size_t cnt;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
+ kdp_writemem64_req_t *rq = &pkt->writemem64_req;
+ size_t plen = *len;
+ kdp_writemem64_reply_t *rp = &pkt->writemem64_reply;
+ mach_vm_size_t cnt;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ if (rq->nbytes > MAX_KDP_DATA_SIZE) {
rp->error = KDPERR_BAD_NBYTES;
- else {
+ } else {
dprintf(("kdp_writemem64 addr %llx size %d\n", rq->address, rq->nbytes));
-
cnt = kdp_machine_vm_write((caddr_t)rq->data, (mach_vm_address_t)rq->address, (mach_vm_size_t)rq->nbytes);
- rp->error = KDPERR_NO_ERROR;
- }
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ rp->error = KDPERR_ACCESS(rq->nbytes, cnt);
+ dprintf((" cnt %lld error %d\n", cnt, rp->error));
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_writephysmem64(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_writephysmem64_req_t *rq = &pkt->writephysmem64_req;
- size_t plen = *len;
- kdp_writephysmem64_reply_t *rp = &pkt->writephysmem64_reply;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
+ kdp_writephysmem64_req_t *rq = &pkt->writephysmem64_req;
+ size_t plen = *len;
+ kdp_writephysmem64_reply_t *rp = &pkt->writephysmem64_reply;
+ mach_vm_size_t cnt;
+ unsigned int size;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ size = rq->nbytes;
+ if (size > MAX_KDP_DATA_SIZE) {
rp->error = KDPERR_BAD_NBYTES;
- else {
- dprintf(("kdp_writephysmem64 addr %llx size %d\n", rq->address, rq->nbytes));
- kdp_machine_phys_write(rq, rq->data, rq->lcpu);
- rp->error = KDPERR_NO_ERROR;
- }
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ } else {
+ dprintf(("kdp_writephysmem64 addr %llx size %d\n", rq->address, size));
+ cnt = kdp_machine_phys_write(rq, rq->data, rq->lcpu);
+ rp->error = KDPERR_ACCESS(size, cnt);
+ dprintf((" cnt %lld error %d\n", cnt, rp->error));
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_readmem(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_readmem_req_t *rq = &pkt->readmem_req;
- size_t plen = *len;
- kdp_readmem_reply_t *rp = &pkt->readmem_reply;
- mach_vm_size_t cnt;
-#if __i386__ || __arm__
- void *pversion = &version;
-#endif
+ kdp_readmem_req_t *rq = &pkt->readmem_req;
+ size_t plen = *len;
+ kdp_readmem_reply_t *rp = &pkt->readmem_reply;
+ mach_vm_size_t cnt;
+ unsigned int size;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
- rp->error = KDPERR_BAD_NBYTES;
- else {
- unsigned int n = rq->nbytes;
-
- dprintf(("kdp_readmem addr %x size %d\n", rq->address, n));
-#if __i386__ || __arm__
- /* XXX This is a hack to facilitate the "showversion" macro
- * on i386/ARM, which is used to obtain the kernel version without
- * symbols - a pointer to the version string should eventually
- * be pinned at a fixed address when an equivalent of the
- * VECTORS segment (loaded at a fixed load address, and contains
- * a table) is implemented on these architectures, as with PPC.
- * N.B.: x86 now has a low global page, and the version indirection
- * is pinned at 0x201C. We retain the 0x501C address override
- * for compatibility. Future architectures should instead use
- * the KDP_KERNELVERSION request.
- */
- if (rq->address == 0x501C)
- rq->address = (uintptr_t)&pversion;
-#endif
- cnt = kdp_machine_vm_read((mach_vm_address_t)rq->address, (caddr_t)rp->data, n);
- rp->error = KDPERR_NO_ERROR;
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
- rp->hdr.len += cnt;
- }
+ size = rq->nbytes;
+ if (size > MAX_KDP_DATA_SIZE) {
+ rp->error = KDPERR_BAD_NBYTES;
+ } else {
+ dprintf(("kdp_readmem addr %x size %d\n", rq->address, size));
+ cnt = kdp_machine_vm_read((mach_vm_address_t)rq->address, (caddr_t)rp->data, rq->nbytes);
+ rp->error = KDPERR_ACCESS(size, cnt);
+ dprintf((" cnt %lld error %d\n", cnt, rp->error));
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ rp->hdr.len += cnt;
+ }
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_readmem64(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_readmem64_req_t *rq = &pkt->readmem64_req;
- size_t plen = *len;
- kdp_readmem64_reply_t *rp = &pkt->readmem64_reply;
- mach_vm_size_t cnt;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
- rp->error = KDPERR_BAD_NBYTES;
- else {
+ kdp_readmem64_req_t *rq = &pkt->readmem64_req;
+ size_t plen = *len;
+ kdp_readmem64_reply_t *rp = &pkt->readmem64_reply;
+ mach_vm_size_t cnt;
+ unsigned int size;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
- dprintf(("kdp_readmem64 addr %llx size %d\n", rq->address, rq->nbytes));
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+ size = rq->nbytes;
+ if (size > MAX_KDP_DATA_SIZE) {
+ rp->error = KDPERR_BAD_NBYTES;
+ } else {
+ dprintf(("kdp_readmem64 addr %llx size %d\n", rq->address, size));
cnt = kdp_machine_vm_read((mach_vm_address_t)rq->address, (caddr_t)rp->data, rq->nbytes);
- rp->error = KDPERR_NO_ERROR;
-
+ rp->error = KDPERR_ACCESS(size, cnt);
+ dprintf((" cnt %lld error %d\n", cnt, rp->error));
+
rp->hdr.len += cnt;
- }
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ }
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_readphysmem64(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_readphysmem64_req_t *rq = &pkt->readphysmem64_req;
- size_t plen = *len;
- kdp_readphysmem64_reply_t *rp = &pkt->readphysmem64_reply;
- int cnt;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
- rp->error = KDPERR_BAD_NBYTES;
- else {
+ kdp_readphysmem64_req_t *rq = &pkt->readphysmem64_req;
+ size_t plen = *len;
+ kdp_readphysmem64_reply_t *rp = &pkt->readphysmem64_reply;
+ mach_vm_size_t cnt;
+ unsigned int size;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
- dprintf(("kdp_readphysmem64 addr %llx size %d\n", rq->address, rq->nbytes));
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ size = rq->nbytes;
+ if (size > MAX_KDP_DATA_SIZE) {
+ rp->error = KDPERR_BAD_NBYTES;
+ } else {
+ dprintf(("kdp_readphysmem64 addr %llx size %d\n", rq->address, size));
+ cnt = kdp_machine_phys_read(rq, rp->data, rq->lcpu);
+ rp->error = KDPERR_ACCESS(size, cnt);
+ dprintf((" cnt %lld error %d\n", cnt, rp->error));
- cnt = (int)kdp_machine_phys_read(rq, rp->data, rq->lcpu);
- rp->error = KDPERR_NO_ERROR;
-
rp->hdr.len += cnt;
- }
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ }
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_maxbytes(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_maxbytes_req_t *rq = &pkt->maxbytes_req;
- size_t plen = *len;
- kdp_maxbytes_reply_t *rp = &pkt->maxbytes_reply;
+ kdp_maxbytes_req_t *rq = &pkt->maxbytes_req;
+ size_t plen = *len;
+ kdp_maxbytes_reply_t *rp = &pkt->maxbytes_reply;
- if (plen < sizeof (*rq))
- return (FALSE);
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
- dprintf(("kdp_maxbytes\n"));
+ dprintf(("kdp_maxbytes\n"));
- rp->max_bytes = MAX_KDP_DATA_SIZE;
+ rp->max_bytes = MAX_KDP_DATA_SIZE;
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ return TRUE;
}
static boolean_t
kdp_version(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_version_req_t *rq = &pkt->version_req;
- size_t plen = *len;
- kdp_version_reply_t *rp = &pkt->version_reply;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- dprintf(("kdp_version\n"));
-
- rp->version = KDP_VERSION;
- if (!(kdp_flag & KDP_BP_DIS))
- rp->feature = KDP_FEATURE_BP;
- else
- rp->feature = 0;
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ kdp_version_req_t *rq = &pkt->version_req;
+ size_t plen = *len;
+ kdp_version_reply_t *rp = &pkt->version_reply;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ dprintf(("kdp_version\n"));
+
+ rp->version = KDP_VERSION;
+ if (!(kdp_flag & KDP_BP_DIS)) {
+ rp->feature = KDP_FEATURE_BP;
+ } else {
+ rp->feature = 0;
+ }
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_regions(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_regions_req_t *rq = &pkt->regions_req;
- size_t plen = *len;
- kdp_regions_reply_t *rp = &pkt->regions_reply;
- kdp_region_t *r;
+ kdp_regions_req_t *rq = &pkt->regions_req;
+ size_t plen = *len;
+ kdp_regions_reply_t *rp = &pkt->regions_reply;
+ kdp_region_t *r;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
- if (plen < sizeof (*rq))
- return (FALSE);
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ dprintf(("kdp_regions\n"));
+
+ r = rp->regions;
+ rp->nregions = 0;
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ r->address = 0;
+ r->nbytes = 0xffffffff;
- dprintf(("kdp_regions\n"));
+ r->protection = VM_PROT_ALL; r++; rp->nregions++;
- r = rp->regions;
- rp->nregions = 0;
+ rp->hdr.len += rp->nregions * sizeof(kdp_region_t);
- r->address = 0;
- r->nbytes = 0xffffffff;
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
- r->protection = VM_PROT_ALL; r++; rp->nregions++;
-
- rp->hdr.len += rp->nregions * sizeof (kdp_region_t);
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ return TRUE;
}
static boolean_t
kdp_writeregs(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_writeregs_req_t *rq = &pkt->writeregs_req;
- size_t plen = *len;
- int size;
- kdp_writeregs_reply_t *rp = &pkt->writeregs_reply;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- size = rq->hdr.len - (unsigned)sizeof(kdp_hdr_t) - (unsigned)sizeof(unsigned int);
- rp->error = kdp_machine_write_regs(rq->cpu, rq->flavor, rq->data, &size);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ kdp_writeregs_req_t *rq = &pkt->writeregs_req;
+ size_t plen = *len;
+ int size;
+ kdp_writeregs_reply_t *rp = &pkt->writeregs_reply;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ size = rq->hdr.len - (unsigned)sizeof(kdp_hdr_t) - (unsigned)sizeof(unsigned int);
+ rp->error = kdp_machine_write_regs(rq->cpu, rq->flavor, rq->data, &size);
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
static boolean_t
kdp_readregs(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_readregs_req_t *rq = &pkt->readregs_req;
- size_t plen = *len;
- kdp_readregs_reply_t *rp = &pkt->readregs_reply;
- int size;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- rp->error = kdp_machine_read_regs(rq->cpu, rq->flavor, rp->data, &size);
- rp->hdr.len += size;
-
- *reply_port = kdp.reply_port;
- *len = rp->hdr.len;
-
- return (TRUE);
+ kdp_readregs_req_t *rq = &pkt->readregs_req;
+ size_t plen = *len;
+ kdp_readregs_reply_t *rp = &pkt->readregs_reply;
+ int size;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ rp->hdr.is_reply = 1;
+ rp->hdr.len = sizeof(*rp);
+
+ rp->error = kdp_machine_read_regs(rq->cpu, rq->flavor, rp->data, &size);
+ rp->hdr.len += size;
+
+ *reply_port = kdp.reply_port;
+ *len = rp->hdr.len;
+
+ return TRUE;
}
-boolean_t
+boolean_t
kdp_breakpoint_set(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_breakpoint_req_t *rq = &pkt->breakpoint_req;
+ kdp_breakpoint_req_t *rq = &pkt->breakpoint_req;
kdp_breakpoint_reply_t *rp = &pkt->breakpoint_reply;
- size_t plen = *len;
- kdp_error_t kerr;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ size_t plen = *len;
+ kdp_error_t kerr;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
dprintf(("kdp_breakpoint_set %x\n", rq->address));
kerr = kdp_set_breakpoint_internal((mach_vm_address_t)rq->address);
-
- rp->error = kerr;
-
+
+ rp->error = kerr;
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.len = sizeof(*rp);
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
-boolean_t
+boolean_t
kdp_breakpoint64_set(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_breakpoint64_req_t *rq = &pkt->breakpoint64_req;
+ kdp_breakpoint64_req_t *rq = &pkt->breakpoint64_req;
kdp_breakpoint64_reply_t *rp = &pkt->breakpoint64_reply;
- size_t plen = *len;
- kdp_error_t kerr;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ size_t plen = *len;
+ kdp_error_t kerr;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
dprintf(("kdp_breakpoint64_set %llx\n", rq->address));
kerr = kdp_set_breakpoint_internal((mach_vm_address_t)rq->address);
-
- rp->error = kerr;
-
+
+ rp->error = kerr;
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.len = sizeof(*rp);
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
-boolean_t
+boolean_t
kdp_breakpoint_remove(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_breakpoint_req_t *rq = &pkt->breakpoint_req;
+ kdp_breakpoint_req_t *rq = &pkt->breakpoint_req;
kdp_breakpoint_reply_t *rp = &pkt->breakpoint_reply;
- size_t plen = *len;
- kdp_error_t kerr;
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ size_t plen = *len;
+ kdp_error_t kerr;
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
dprintf(("kdp_breakpoint_remove %x\n", rq->address));
kerr = kdp_remove_breakpoint_internal((mach_vm_address_t)rq->address);
-
- rp->error = kerr;
-
+
+ rp->error = kerr;
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.len = sizeof(*rp);
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
-boolean_t
+boolean_t
kdp_breakpoint64_remove(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
-)
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
- kdp_breakpoint64_req_t *rq = &pkt->breakpoint64_req;
+ kdp_breakpoint64_req_t *rq = &pkt->breakpoint64_req;
kdp_breakpoint64_reply_t *rp = &pkt->breakpoint64_reply;
- size_t plen = *len;
- kdp_error_t kerr;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ size_t plen = *len;
+ kdp_error_t kerr;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
dprintf(("kdp_breakpoint64_remove %llx\n", rq->address));
kerr = kdp_remove_breakpoint_internal((mach_vm_address_t)rq->address);
-
- rp->error = kerr;
-
+
+ rp->error = kerr;
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
+ rp->hdr.len = sizeof(*rp);
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
kdp_error_t
kdp_set_breakpoint_internal(
- mach_vm_address_t address
- )
+ mach_vm_address_t address
+ )
{
-
- uint8_t breakinstr[MAX_BREAKINSN_BYTES], oldinstr[MAX_BREAKINSN_BYTES];
- uint32_t breakinstrsize = sizeof(breakinstr);
- mach_vm_size_t cnt;
- int i;
-
+ uint8_t breakinstr[MAX_BREAKINSN_BYTES], oldinstr[MAX_BREAKINSN_BYTES];
+ uint32_t breakinstrsize = sizeof(breakinstr);
+ mach_vm_size_t cnt;
+ int i;
+
kdp_machine_get_breakinsn(breakinstr, &breakinstrsize);
-
- if(breakpoints_initialized == 0)
- {
- for(i=0;(i < MAX_BREAKPOINTS); breakpoint_list[i].address=0, i++);
+
+ if (breakpoints_initialized == 0) {
+ for (i = 0; (i < MAX_BREAKPOINTS); breakpoint_list[i].address = 0, i++) {
+ ;
+ }
breakpoints_initialized++;
- }
-
+ }
+
cnt = kdp_machine_vm_read(address, (caddr_t)&oldinstr, (mach_vm_size_t)breakinstrsize);
-
+
if (0 == memcmp(oldinstr, breakinstr, breakinstrsize)) {
printf("A trap was already set at that address, not setting new breakpoint\n");
-
+
return KDPERR_BREAKPOINT_ALREADY_SET;
}
-
- for(i=0;(i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != 0); i++);
-
+
+ for (i = 0; (i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != 0); i++) {
+ ;
+ }
+
if (i == MAX_BREAKPOINTS) {
return KDPERR_MAX_BREAKPOINTS;
}
-
+
breakpoint_list[i].address = address;
memcpy(breakpoint_list[i].oldbytes, oldinstr, breakinstrsize);
breakpoint_list[i].bytesused = breakinstrsize;
-
+
cnt = kdp_machine_vm_write((caddr_t)&breakinstr, address, breakinstrsize);
-
+
return KDPERR_NO_ERROR;
}
kdp_error_t
kdp_remove_breakpoint_internal(
- mach_vm_address_t address
- )
+ mach_vm_address_t address
+ )
{
- mach_vm_size_t cnt;
- int i;
-
- for(i=0;(i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != address); i++);
-
- if (i == MAX_BREAKPOINTS)
- {
- return KDPERR_BREAKPOINT_NOT_FOUND;
+ mach_vm_size_t cnt;
+ int i;
+
+ for (i = 0; (i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != address); i++) {
+ ;
+ }
+
+ if (i == MAX_BREAKPOINTS) {
+ return KDPERR_BREAKPOINT_NOT_FOUND;
}
-
+
breakpoint_list[i].address = 0;
cnt = kdp_machine_vm_write((caddr_t)&breakpoint_list[i].oldbytes, address, breakpoint_list[i].bytesused);
-
+
return KDPERR_NO_ERROR;
}
{
int i;
boolean_t breakpoint_found = FALSE;
-
- if (breakpoints_initialized)
- {
- for(i=0;i < MAX_BREAKPOINTS; i++)
- {
- if (breakpoint_list[i].address)
- {
+
+ if (breakpoints_initialized) {
+ for (i = 0; i < MAX_BREAKPOINTS; i++) {
+ if (breakpoint_list[i].address) {
kdp_machine_vm_write((caddr_t)&(breakpoint_list[i].oldbytes), (mach_vm_address_t)breakpoint_list[i].address, (mach_vm_size_t)breakpoint_list[i].bytesused);
breakpoint_found = TRUE;
breakpoint_list[i].address = 0;
}
}
-
- if (breakpoint_found)
+
+ if (breakpoint_found) {
printf("kdp_remove_all_breakpoints: found extant breakpoints, removing them.\n");
- }
+ }
+ }
return breakpoint_found;
}
boolean_t
kdp_reboot(
- __unused kdp_pkt_t *pkt,
- __unused int *len,
- __unused unsigned short *reply_port
-)
+ __unused kdp_pkt_t *pkt,
+ __unused int *len,
+ __unused unsigned short *reply_port
+ )
{
dprintf(("kdp_reboot\n"));
kdp_machine_reboot();
-
- return (TRUE); // no, not really, we won't return
-}
-
-#define MAX_FRAMES 1000
-
-static int pid_from_task(task_t task)
-{
- int pid = -1;
-
- if (task->bsd_info)
- pid = proc_pid(task->bsd_info);
- return pid;
-}
-
-boolean_t
-kdp_copyin(pmap_t p, uint64_t uaddr, void *dest, size_t size) {
- size_t rem = size;
- char *kvaddr = dest;
-
- while (rem) {
- ppnum_t upn = pmap_find_phys(p, uaddr);
- uint64_t phys_src = (upn << PAGE_SHIFT) | (uaddr & PAGE_MASK);
- uint64_t phys_dest = kvtophys((vm_offset_t)kvaddr);
- uint64_t src_rem = PAGE_SIZE - (phys_src & PAGE_MASK);
- uint64_t dst_rem = PAGE_SIZE - (phys_dest & PAGE_MASK);
- size_t cur_size = (uint32_t) MIN(src_rem, dst_rem);
- cur_size = MIN(cur_size, rem);
-
- if (upn && pmap_valid_page(upn) && phys_dest) {
- bcopy_phys(phys_src, phys_dest, cur_size);
- }
- else
- break;
- uaddr += cur_size;
- kvaddr += cur_size;
- rem -= cur_size;
- }
- return (rem == 0);
-}
-
-int
-kdp_stackshot(int pid, void *tracebuf, uint32_t tracebuf_size, uint32_t trace_flags, uint32_t dispatch_offset, uint32_t *pbytesTraced)
-{
- char *tracepos = (char *) tracebuf;
- char *tracebound = tracepos + tracebuf_size;
- uint32_t tracebytes = 0;
- int error = 0;
-
- task_t task = TASK_NULL;
- thread_t thread = THREAD_NULL;
- thread_snapshot_t tsnap = NULL;
- unsigned framesize = 2 * sizeof(vm_offset_t);
- struct task ctask;
- struct thread cthread;
-
- boolean_t dispatch_p = ((trace_flags & STACKSHOT_GET_DQ) != 0);
- boolean_t save_loadinfo_p = ((trace_flags & STACKSHOT_SAVE_LOADINFO) != 0);
-
- queue_iterate(&tasks, task, task_t, tasks) {
- int task_pid = pid_from_task(task);
- boolean_t task64 = task_has_64BitAddr(task);
-
- if ((task == NULL) || (ml_nofault_copy((vm_offset_t) task, (vm_offset_t) &ctask, sizeof(struct task)) != sizeof(struct task)))
- goto error_exit;
-
- /* Trace everything, unless a process was specified */
- if ((pid == -1) || (pid == task_pid)) {
- task_snapshot_t task_snap;
- uint32_t uuid_info_count;
- mach_vm_address_t uuid_info_addr;
-
- if (save_loadinfo_p && task_pid > 0) {
- // Read the dyld_all_image_infos struct from the task memory to get UUID array count and location
- if (task64) {
- struct dyld_all_image_infos64 task_image_infos;
- if (!kdp_copyin(task->map->pmap, task->all_image_info_addr, &task_image_infos, sizeof(struct dyld_all_image_infos64)))
- goto error_exit;
- uuid_info_count = (uint32_t)task_image_infos.uuidArrayCount;
- uuid_info_addr = task_image_infos.uuidArray;
- } else {
- struct dyld_all_image_infos task_image_infos;
- if (!kdp_copyin(task->map->pmap, task->all_image_info_addr, &task_image_infos, sizeof(struct dyld_all_image_infos)))
- goto error_exit;
- uuid_info_count = task_image_infos.uuidArrayCount;
- uuid_info_addr = task_image_infos.uuidArray;
- }
- } else {
- uuid_info_count = 0;
- uuid_info_addr = 0;
- }
-
- if (tracepos + sizeof(struct task_snapshot) > tracebound) {
- error = -1;
- goto error_exit;
- }
-
- task_snap = (task_snapshot_t) tracepos;
- task_snap->snapshot_magic = STACKSHOT_TASK_SNAPSHOT_MAGIC;
- task_snap->pid = task_pid;
- task_snap->nloadinfos = uuid_info_count;
- /* Add the BSD process identifiers */
- if (task_pid != -1)
- proc_name_kdp(task, task_snap->p_comm, sizeof(task_snap->p_comm));
- else
- task_snap->p_comm[0] = '\0';
- task_snap->ss_flags = 0;
- if (task64)
- task_snap->ss_flags |= kUser64_p;
-
- tracepos += sizeof(struct task_snapshot);
-
- if (task_pid > 0 && uuid_info_count > 0) {
- uint32_t uuid_info_size = (uint32_t)(task64 ? sizeof(struct dyld_uuid_info64) : sizeof(struct dyld_uuid_info));
- uint32_t uuid_info_array_size = uuid_info_count * uuid_info_size;
-
- if (tracepos + uuid_info_array_size > tracebound) {
- error = -1;
- goto error_exit;
- }
-
- // Copy in the UUID info array
- if (!kdp_copyin(task->map->pmap, uuid_info_addr, tracepos, uuid_info_array_size))
- goto error_exit;
-
- tracepos += uuid_info_array_size;
- }
-
- queue_iterate(&task->threads, thread, thread_t, task_threads){
- if ((thread == NULL) || (ml_nofault_copy((vm_offset_t) thread, (vm_offset_t) &cthread, sizeof(struct thread)) != sizeof(struct thread)))
- goto error_exit;
-
- if (((tracepos + 4 * sizeof(struct thread_snapshot)) > tracebound)) {
- error = -1;
- goto error_exit;
- }
- /* Populate the thread snapshot header */
- tsnap = (thread_snapshot_t) tracepos;
- tsnap->thread_id = (uint64_t) (uintptr_t)thread;
- tsnap->state = thread->state;
- tsnap->wait_event = thread->wait_event;
- tsnap->continuation = (uint64_t) (uintptr_t) thread->continuation;
-
- tsnap->snapshot_magic = STACKSHOT_THREAD_SNAPSHOT_MAGIC;
- tracepos += sizeof(struct thread_snapshot);
- tsnap->ss_flags = 0;
-
- if (dispatch_p && (task != kernel_task) && (task->active) && (task->map)) {
- uint64_t dqkeyaddr = thread_dispatchqaddr(thread);
- if (dqkeyaddr != 0) {
- uint64_t dqaddr = 0;
- if (kdp_copyin(task->map->pmap, dqkeyaddr, &dqaddr, (task64 ? 8 : 4)) && (dqaddr != 0)) {
- uint64_t dqserialnumaddr = dqaddr + dispatch_offset;
- uint64_t dqserialnum = 0;
- if (kdp_copyin(task->map->pmap, dqserialnumaddr, &dqserialnum, (task64 ? 8 : 4))) {
- tsnap->ss_flags |= kHasDispatchSerial;
- *(uint64_t *)tracepos = dqserialnum;
- tracepos += 8;
- }
- }
- }
- }
-/* Call through to the machine specific trace routines
- * Frames are added past the snapshot header.
- */
- if (thread->kernel_stack != 0) {
-#if defined(__LP64__)
- tracebytes = machine_trace_thread64(thread, tracepos, tracebound, MAX_FRAMES, FALSE);
- tsnap->ss_flags |= kKernel64_p;
- framesize = 16;
-#else
- tracebytes = machine_trace_thread(thread, tracepos, tracebound, MAX_FRAMES, FALSE);
- framesize = 8;
-#endif
- }
- tsnap->nkern_frames = tracebytes/framesize;
- tracepos += tracebytes;
- tracebytes = 0;
- /* Trace user stack, if any */
- if (thread->task->map != kernel_map) {
- /* 64-bit task? */
- if (task_has_64BitAddr(thread->task)) {
- tracebytes = machine_trace_thread64(thread, tracepos, tracebound, MAX_FRAMES, TRUE);
- tsnap->ss_flags |= kUser64_p;
- framesize = 16;
- }
- else {
- tracebytes = machine_trace_thread(thread, tracepos, tracebound, MAX_FRAMES, TRUE);
- framesize = 8;
- }
- }
- tsnap->nuser_frames = tracebytes/framesize;
- tracepos += tracebytes;
- tracebytes = 0;
- }
- }
- }
-
-error_exit:
- /* Release stack snapshot wait indicator */
- kdp_snapshot_postflight();
-
- *pbytesTraced = (uint32_t)(tracepos - (char *) tracebuf);
-
- return error;
+ return TRUE; // no, not really, we won't return
}
static boolean_t
-kdp_readioport(kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
- )
+kdp_readioport(
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
kdp_readioport_req_t *rq = &pkt->readioport_req;
kdp_readioport_reply_t *rp = &pkt->readioport_reply;
size_t plen = *len;
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
+ rp->hdr.len = sizeof(*rp);
+
+ if (rq->nbytes > MAX_KDP_DATA_SIZE) {
rp->error = KDPERR_BAD_NBYTES;
- else {
+ } else {
#if KDP_TEST_HARNESS
- uint16_t addr = rq->address;
+ uint16_t addr = rq->address;
#endif
uint16_t size = rq->nbytes;
dprintf(("kdp_readioport addr %x size %d\n", addr, size));
rp->error = kdp_machine_ioport_read(rq, rp->data, rq->lcpu);
- if (rp->error == KDPERR_NO_ERROR)
+ if (rp->error == KDPERR_NO_ERROR) {
rp->hdr.len += size;
+ }
}
-
+
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
static boolean_t
kdp_writeioport(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
- )
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
kdp_writeioport_req_t *rq = &pkt->writeioport_req;
kdp_writeioport_reply_t *rp = &pkt->writeioport_reply;
- size_t plen = *len;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- if (rq->nbytes > MAX_KDP_DATA_SIZE)
+ size_t plen = *len;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ if (rq->nbytes > MAX_KDP_DATA_SIZE) {
rp->error = KDPERR_BAD_NBYTES;
- else {
- dprintf(("kdp_writeioport addr %x size %d\n", rq->address,
- rq->nbytes));
-
+ } else {
+ dprintf(("kdp_writeioport addr %x size %d\n", rq->address,
+ rq->nbytes));
+
rp->error = kdp_machine_ioport_write(rq, rq->data, rq->lcpu);
}
-
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
+ rp->hdr.len = sizeof(*rp);
+
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
static boolean_t
-kdp_readmsr64(kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
- )
+kdp_readmsr64(
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
kdp_readmsr64_req_t *rq = &pkt->readmsr64_req;
kdp_readmsr64_reply_t *rp = &pkt->readmsr64_reply;
size_t plen = *len;
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
+ rp->hdr.len = sizeof(*rp);
+
dprintf(("kdp_readmsr64 lcpu %x addr %x\n", rq->lcpu, rq->address));
rp->error = kdp_machine_msr64_read(rq, rp->data, rq->lcpu);
- if (rp->error == KDPERR_NO_ERROR)
+ if (rp->error == KDPERR_NO_ERROR) {
rp->hdr.len += sizeof(uint64_t);
-
+ }
+
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
static boolean_t
kdp_writemsr64(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
- )
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
kdp_writemsr64_req_t *rq = &pkt->writemsr64_req;
kdp_writemsr64_reply_t *rp = &pkt->writemsr64_reply;
- size_t plen = *len;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
- dprintf(("kdp_writemsr64 lcpu %x addr %x\n", rq->lcpu, rq->address));
+ size_t plen = *len;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
+ dprintf(("kdp_writemsr64 lcpu %x addr %x\n", rq->lcpu, rq->address));
rp->error = kdp_machine_msr64_write(rq, rq->data, rq->lcpu);
-
+
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
+ rp->hdr.len = sizeof(*rp);
+
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
static boolean_t
kdp_dumpinfo(
- kdp_pkt_t *pkt,
- int *len,
- unsigned short *reply_port
- )
+ kdp_pkt_t *pkt,
+ int *len,
+ unsigned short *reply_port
+ )
{
kdp_dumpinfo_req_t *rq = &pkt->dumpinfo_req;
kdp_dumpinfo_reply_t *rp = &pkt->dumpinfo_reply;
- size_t plen = *len;
-
- if (plen < sizeof (*rq))
- return (FALSE);
-
+ size_t plen = *len;
+
+ if (plen < sizeof(*rq)) {
+ return FALSE;
+ }
+
dprintf(("kdp_dumpinfo file=%s destip=%s routerip=%s\n", rq->name, rq->destip, rq->routerip));
rp->hdr.is_reply = 1;
- rp->hdr.len = sizeof (*rp);
-
- if ((rq->type & KDP_DUMPINFO_MASK) != KDP_DUMPINFO_GETINFO) {
- kdp_set_dump_info(rq->type, rq->name, rq->destip, rq->routerip,
- rq->port);
- }
+ rp->hdr.len = sizeof(*rp);
+
+ if ((rq->type & KDP_DUMPINFO_MASK) != KDP_DUMPINFO_GETINFO) {
+ kdp_set_dump_info(rq->type, rq->name, rq->destip, rq->routerip,
+ rq->port);
+ }
- /* gather some stats for reply */
- kdp_get_dump_info(&rp->type, rp->name, rp->destip, rp->routerip,
- &rp->port);
+ /* gather some stats for reply */
+ kdp_get_dump_info(rp);
*reply_port = kdp.reply_port;
*len = rp->hdr.len;
-
- return (TRUE);
+
+ return TRUE;
}
projects / apple / xnu.git / blobdiff