* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
+#ifndef _KDP_PROTOCOL_H_
+#define _KDP_PROTOCOL_H_
+
/*
* Definition of remote debugger protocol.
*/
+
+#ifdef MACH_KERNEL_PRIVATE
#include <mach/vm_prot.h>
+#include <stdint.h>
+#endif
+
+#ifdef KDP_PROXY_PACK_SUPPORT
+#pragma pack(1)
+#define KDP_PACKED
+#else
+#define KDP_PACKED __attribute__((packed))
+#endif
/*
* Retransmit parameters
#endif /* DDEBUG_DEBUG || DEBUG_DEBUG */
#define KDP_REXMIT_TRIES 8 /* xmit 8 times, then give up */
+
/*
* (NMI) Attention Max Wait Time
* Remote will resume unless KDP requests is received within this
KDP_REATTACH,
/* remote reboot request */
- KDP_HOSTREBOOT
+ KDP_HOSTREBOOT,
+
+ /* memory access (64-bit wide addresses). Version 11 protocol */
+ KDP_READMEM64, KDP_WRITEMEM64,
+
+ /* breakpoint control (64-bit wide addresses). Version 11 protocol */
+ KDP_BREAKPOINT64_SET, KDP_BREAKPOINT64_REMOVE,
+
+ /* kernel version string, like "xnu-1234.5~6". Version 11 protocol */
+ KDP_KERNELVERSION,
+
+ /* physical memory access (64-bit wide addresses). Version 12 protocol */
+ KDP_READPHYSMEM64, KDP_WRITEPHYSMEM64,
+
+ /* ioport access (8-, 16-, and 32-bit) */
+ KDP_READIOPORT, KDP_WRITEIOPORT,
+
+ /* msr access (64-bit) */
+ KDP_READMSR64, KDP_WRITEMSR64,
+
+ /* get/dump panic/corefile info */
+ KDP_DUMPINFO,
+
+ /* keep this last */
+ KDP_INVALID_REQUEST
} kdp_req_t;
+typedef enum {
+ KDP_DUMPINFO_GETINFO = 0x00000000,
+ KDP_DUMPINFO_SETINFO = 0x00000001,
+ KDP_DUMPINFO_CORE = 0x00000102,
+ KDP_DUMPINFO_PANICLOG = 0x00000103,
+ KDP_DUMPINFO_SYSTEMLOG = 0x00000104,
+ KDP_DUMPINFO_DISABLE = 0x00000105,
+ KDP_DUMPINFO_MASK = 0x00000FFF,
+ KDP_DUMPINFO_DUMP = 0x00000100,
+
+ KDP_DUMPINFO_REBOOT = 0x10000000,
+ KDP_DUMPINFO_NORESUME = 0x20000000,
+ KDP_DUMPINFO_RESUME = 0x00000000, /* default behaviour */
+ KDP_DUMPINFO_NOINTR = 0x40000000, /* don't interrupt */
+ KDP_DUMPINFO_INTR = 0x00000000, /* default behaviour */
+} kdp_dumpinfo_t;
+
/*
* Common KDP packet header
+ * NOTE: kgmacros has a non-symboled version of kdp_hdr_t so that some basic information.
+ * can be gathered from a kernel without any symbols. changes to this structure
+ * need to be reflected in kgmacros as well.
*/
typedef struct {
- kdp_req_t request:7; /* request type */
+ kdp_req_t request:7; /* kdp_req_t, request type */
unsigned is_reply:1; /* 0 => request, 1 => reply */
unsigned seq:8; /* sequence number within session */
unsigned len:16; /* length of entire pkt including hdr */
unsigned key; /* session key */
-} kdp_hdr_t;
+} KDP_PACKED kdp_hdr_t;
/*
* KDP errors
KDPERR_NO_ERROR = 0,
KDPERR_ALREADY_CONNECTED,
KDPERR_BAD_NBYTES,
- KDPERR_BADFLAVOR /* bad flavor in w/r regs */
+ KDPERR_BADFLAVOR, /* bad flavor in w/r regs */
+ KDPERR_BAD_ACCESS, /* memory reference failure */
+
+ KDPERR_MAX_BREAKPOINTS = 100,
+ KDPERR_BREAKPOINT_NOT_FOUND = 101,
+ KDPERR_BREAKPOINT_ALREADY_SET = 102
} kdp_error_t;
+#if defined(__x86_64__)
+#define KDPERR_ACCESS(_req,_ret) \
+ (((_req) == (uint32_t)(_ret)) ? KDPERR_NO_ERROR : KDPERR_BAD_ACCESS)
+#else
+#define KDPERR_ACCESS(req,cnt) (KDPERR_NO_ERROR)
+#endif /* x86_64 */
+
+
/*
* KDP requests and reply packet formats
*/
*/
typedef struct { /* KDP_CONNECT request */
kdp_hdr_t hdr;
- unsigned short req_reply_port; /* udp port which to send replies */
- unsigned short exc_note_port; /* udp port which to send exc notes */
- char greeting[0]; /* "greetings", null-terminated */
-} kdp_connect_req_t;
+ uint16_t req_reply_port; /* udp port which to send replies */
+ uint16_t exc_note_port; /* udp port which to send exc notes */
+ char greeting[0]; /* "greetings", nul-terminated */
+} KDP_PACKED kdp_connect_req_t;
typedef struct { /* KDP_CONNECT reply */
kdp_hdr_t hdr;
kdp_error_t error;
-} kdp_connect_reply_t;
+} KDP_PACKED kdp_connect_reply_t;
/*
* KDP_DISCONNECT
*/
typedef struct { /* KDP_DISCONNECT request */
kdp_hdr_t hdr;
-} kdp_disconnect_req_t;
+} KDP_PACKED kdp_disconnect_req_t;
typedef struct { /* KDP_DISCONNECT reply */
kdp_hdr_t hdr;
-} kdp_disconnect_reply_t;
+} KDP_PACKED kdp_disconnect_reply_t;
/*
* KDP_REATTACH
*/
typedef struct {
kdp_hdr_t hdr;
- unsigned short req_reply_port; /* udp port which to send replies */
-} kdp_reattach_req_t;
+ uint16_t req_reply_port; /* udp port which to send replies */
+} KDP_PACKED kdp_reattach_req_t;
/*
* KDP_HOSTINFO
*/
typedef struct { /* KDP_HOSTINFO request */
kdp_hdr_t hdr;
-} kdp_hostinfo_req_t;
+} KDP_PACKED kdp_hostinfo_req_t;
typedef struct {
- unsigned cpus_mask; /* bit is 1 if cpu present */
- int cpu_type;
- int cpu_subtype;
-} kdp_hostinfo_t;
+ uint32_t cpus_mask; /* bit is 1 if cpu present */
+ uint32_t cpu_type;
+ uint32_t cpu_subtype;
+} KDP_PACKED kdp_hostinfo_t;
typedef struct { /* KDP_HOSTINFO reply */
kdp_hdr_t hdr;
kdp_hostinfo_t hostinfo;
-} kdp_hostinfo_reply_t;
+} KDP_PACKED kdp_hostinfo_reply_t;
/*
* KDP_VERSION
*/
typedef struct { /* KDP_VERSION request */
kdp_hdr_t hdr;
-} kdp_version_req_t;
+} KDP_PACKED kdp_version_req_t;
#define KDP_FEATURE_BP 0x1 /* local breakpoint support */
-typedef struct { /* KDP_REGIONS reply */
+typedef struct { /* KDP_VERSION reply */
kdp_hdr_t hdr;
- unsigned version;
- unsigned feature;
- unsigned pad0;
- unsigned pad1;
-} kdp_version_reply_t;
+ uint32_t version;
+ uint32_t feature;
+ uint32_t pad0;
+ uint32_t pad1;
+} KDP_PACKED kdp_version_reply_t;
+
+#define VM_PROT_VOLATILE ((vm_prot_t) 0x08) /* not cacheable */
+#define VM_PROT_SPARSE ((vm_prot_t) 0x10) /* sparse addr space */
/*
* KDP_REGIONS
*/
typedef struct { /* KDP_REGIONS request */
kdp_hdr_t hdr;
-} kdp_regions_req_t;
-
-#define VM_PROT_VOLATILE ((vm_prot_t) 0x08) /* not cacheable */
-#define VM_PROT_SPARSE ((vm_prot_t) 0x10) /* sparse addr space */
+} KDP_PACKED kdp_regions_req_t;
typedef struct {
- void *address;
- unsigned nbytes;
- vm_prot_t protection;
-} kdp_region_t;
+ uint32_t address;
+ uint32_t nbytes;
+ uint32_t protection; /* vm_prot_t */
+} KDP_PACKED kdp_region_t;
typedef struct { /* KDP_REGIONS reply */
kdp_hdr_t hdr;
- unsigned nregions;
+ uint32_t nregions;
kdp_region_t regions[0];
-} kdp_regions_reply_t;
+} KDP_PACKED kdp_regions_reply_t;
/*
* KDP_MAXBYTES
*/
typedef struct { /* KDP_MAXBYTES request */
kdp_hdr_t hdr;
-} kdp_maxbytes_req_t;
+} KDP_PACKED kdp_maxbytes_req_t;
typedef struct { /* KDP_MAXBYTES reply */
kdp_hdr_t hdr;
- unsigned max_bytes;
-} kdp_maxbytes_reply_t;
+ uint32_t max_bytes;
+} KDP_PACKED kdp_maxbytes_reply_t;
/*
* KDP_READMEM
*/
typedef struct { /* KDP_READMEM request */
kdp_hdr_t hdr;
- void *address;
- unsigned nbytes;
-} kdp_readmem_req_t;
+ uint32_t address;
+ uint32_t nbytes;
+} KDP_PACKED kdp_readmem_req_t;
typedef struct { /* KDP_READMEM reply */
kdp_hdr_t hdr;
kdp_error_t error;
char data[0];
-} kdp_readmem_reply_t;
+} KDP_PACKED kdp_readmem_reply_t;
+
+/*
+ * KDP_READMEM64
+ */
+typedef struct { /* KDP_READMEM64 request */
+ kdp_hdr_t hdr;
+ uint64_t address;
+ uint32_t nbytes;
+} KDP_PACKED kdp_readmem64_req_t;
+
+typedef struct { /* KDP_READMEM64 reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+ char data[0];
+} KDP_PACKED kdp_readmem64_reply_t;
+
+/*
+ * KDP_READPHYSMEM64
+ */
+typedef struct { /* KDP_READPHYSMEM64 request */
+ kdp_hdr_t hdr;
+ uint64_t address;
+ uint32_t nbytes;
+ uint16_t lcpu;
+} KDP_PACKED kdp_readphysmem64_req_t;
+
+typedef struct { /* KDP_READPHYSMEM64 reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+ char data[0];
+} KDP_PACKED kdp_readphysmem64_reply_t;
/*
* KDP_WRITEMEM
*/
typedef struct { /* KDP_WRITEMEM request */
kdp_hdr_t hdr;
- void *address;
- unsigned nbytes;
+ uint32_t address;
+ uint32_t nbytes;
char data[0];
-} kdp_writemem_req_t;
+} KDP_PACKED kdp_writemem_req_t;
typedef struct { /* KDP_WRITEMEM reply */
kdp_hdr_t hdr;
kdp_error_t error;
-} kdp_writemem_reply_t;
+} KDP_PACKED kdp_writemem_reply_t;
+
+/*
+ * KDP_WRITEMEM64
+ */
+typedef struct { /* KDP_WRITEMEM64 request */
+ kdp_hdr_t hdr;
+ uint64_t address;
+ uint32_t nbytes;
+ char data[0];
+} KDP_PACKED kdp_writemem64_req_t;
+
+typedef struct { /* KDP_WRITEMEM64 reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+} KDP_PACKED kdp_writemem64_reply_t;
+
+/*
+ * KDP_WRITEPHYSMEM64
+ */
+typedef struct { /* KDP_WRITEPHYSMEM64 request */
+ kdp_hdr_t hdr;
+ uint64_t address;
+ uint32_t nbytes;
+ uint16_t lcpu;
+ char data[0];
+} KDP_PACKED kdp_writephysmem64_req_t;
+
+typedef struct { /* KDP_WRITEPHYSMEM64 reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+} KDP_PACKED kdp_writephysmem64_reply_t;
+
+/*
+ * KDP_WRITEIOPORT
+ */
+typedef struct { /* KDP_WRITEIOPORT request */
+ kdp_hdr_t hdr;
+ uint16_t lcpu;
+ uint16_t address;
+ uint16_t nbytes;
+ char data[0];
+} KDP_PACKED kdp_writeioport_req_t;
+
+typedef struct { /* KDP_WRITEIOPORT reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+} KDP_PACKED kdp_writeioport_reply_t;
+
+/*
+ * KDP_READIOPORT
+ */
+typedef struct { /* KDP_READIOPORT request */
+ kdp_hdr_t hdr;
+ uint16_t lcpu;
+ uint16_t address;
+ uint16_t nbytes;
+} KDP_PACKED kdp_readioport_req_t;
+
+typedef struct { /* KDP_READIOPORT reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+ char data[0];
+} KDP_PACKED kdp_readioport_reply_t;
+
+
+/*
+ * KDP_WRITEMSR64
+ */
+typedef struct { /* KDP_WRITEMSR64 request */
+ kdp_hdr_t hdr;
+ uint32_t address;
+ uint16_t lcpu;
+ char data[0];
+} KDP_PACKED kdp_writemsr64_req_t;
+
+typedef struct { /* KDP_WRITEMSR64 reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+} KDP_PACKED kdp_writemsr64_reply_t;
+
+/*
+ * KDP_READMSR64
+ */
+typedef struct { /* KDP_READMSR64 request */
+ kdp_hdr_t hdr;
+ uint32_t address;
+ uint16_t lcpu;
+} KDP_PACKED kdp_readmsr64_req_t;
+
+typedef struct { /* KDP_READMSR64 reply */
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+ char data[0];
+} KDP_PACKED kdp_readmsr64_reply_t;
+
/*
* KDP_READREGS
*/
typedef struct { /* KDP_READREGS request */
kdp_hdr_t hdr;
- unsigned cpu;
- unsigned flavor;
-} kdp_readregs_req_t;
+ uint32_t cpu;
+ uint32_t flavor;
+} KDP_PACKED kdp_readregs_req_t;
typedef struct { /* KDP_READREGS reply */
kdp_hdr_t hdr;
kdp_error_t error; /* could be KDPERR_BADFLAVOR */
char data[0];
-} kdp_readregs_reply_t;
+} KDP_PACKED kdp_readregs_reply_t;
/*
* KDP_WRITEREGS
*/
typedef struct { /* KDP_WRITEREGS request */
kdp_hdr_t hdr;
- unsigned cpu;
- unsigned flavor;
+ uint32_t cpu;
+ uint32_t flavor;
char data[0];
-} kdp_writeregs_req_t;
+} KDP_PACKED kdp_writeregs_req_t;
typedef struct { /* KDP_WRITEREGS reply */
kdp_hdr_t hdr;
kdp_error_t error;
-} kdp_writeregs_reply_t;
+} KDP_PACKED kdp_writeregs_reply_t;
/*
* KDP_LOAD
typedef struct { /* KDP_LOAD request */
kdp_hdr_t hdr;
char file_args[0];
-} kdp_load_req_t;
+} KDP_PACKED kdp_load_req_t;
typedef struct { /* KDP_LOAD reply */
kdp_hdr_t hdr;
kdp_error_t error;
-} kdp_load_reply_t;
+} KDP_PACKED kdp_load_reply_t;
/*
* KDP_IMAGEPATH
*/
typedef struct { /* KDP_IMAGEPATH request */
kdp_hdr_t hdr;
-} kdp_imagepath_req_t;
+} KDP_PACKED kdp_imagepath_req_t;
typedef struct { /* KDP_IMAGEPATH reply */
kdp_hdr_t hdr;
char path[0];
-} kdp_imagepath_reply_t;
+} KDP_PACKED kdp_imagepath_reply_t;
/*
* KDP_SUSPEND
*/
typedef struct { /* KDP_SUSPEND request */
kdp_hdr_t hdr;
-} kdp_suspend_req_t;
+} KDP_PACKED kdp_suspend_req_t;
typedef struct { /* KDP_SUSPEND reply */
kdp_hdr_t hdr;
-} kdp_suspend_reply_t;
+} KDP_PACKED kdp_suspend_reply_t;
/*
* KDP_RESUMECPUS
*/
typedef struct { /* KDP_RESUMECPUS request */
kdp_hdr_t hdr;
- unsigned cpu_mask;
-} kdp_resumecpus_req_t;
+ uint32_t cpu_mask;
+} KDP_PACKED kdp_resumecpus_req_t;
typedef struct { /* KDP_RESUMECPUS reply */
kdp_hdr_t hdr;
-} kdp_resumecpus_reply_t;
+} KDP_PACKED kdp_resumecpus_reply_t;
+
+/*
+ * KDP_BREAKPOINT_SET and KDP_BREAKPOINT_REMOVE
+ */
typedef struct {
kdp_hdr_t hdr;
- unsigned long address;
-} kdp_breakpoint_req_t;
+ uint32_t address;
+} KDP_PACKED kdp_breakpoint_req_t;
typedef struct {
kdp_hdr_t hdr;
kdp_error_t error;
-} kdp_breakpoint_reply_t;
+} KDP_PACKED kdp_breakpoint_reply_t;
+
+/*
+ * KDP_BREAKPOINT64_SET and KDP_BREAKPOINT64_REMOVE
+ */
+
+typedef struct {
+ kdp_hdr_t hdr;
+ uint64_t address;
+} KDP_PACKED kdp_breakpoint64_req_t;
+
+typedef struct {
+ kdp_hdr_t hdr;
+ kdp_error_t error;
+} KDP_PACKED kdp_breakpoint64_reply_t;
/*
* Exception notifications
* the remote debugger to the gdb agent KDB.)
*/
typedef struct { /* exc. info for one cpu */
- unsigned cpu;
+ uint32_t cpu;
/*
* Following info is defined as
* per <mach/exception.h>
*/
- unsigned exception;
- unsigned code;
- unsigned subcode;
-} kdp_exc_info_t;
+ uint32_t exception;
+ uint32_t code;
+ uint32_t subcode;
+} KDP_PACKED kdp_exc_info_t;
typedef struct { /* KDP_EXCEPTION notification */
kdp_hdr_t hdr;
- unsigned n_exc_info;
+ uint32_t n_exc_info;
kdp_exc_info_t exc_info[0];
-} kdp_exception_t;
+} KDP_PACKED kdp_exception_t;
typedef struct { /* KDP_EXCEPTION acknowledgement */
kdp_hdr_t hdr;
-} kdp_exception_ack_t;
+} KDP_PACKED kdp_exception_ack_t;
+
+/*
+ * KDP_KERNELVERSION
+ */
+typedef struct { /* KDP_KERNELVERSION request */
+ kdp_hdr_t hdr;
+} KDP_PACKED kdp_kernelversion_req_t;
+
+typedef struct { /* KDP_KERNELVERSION reply */
+ kdp_hdr_t hdr;
+ char version[0];
+} KDP_PACKED kdp_kernelversion_reply_t;
+
/*
* Child termination messages
typedef struct { /* KDP_TERMINATION notification */
kdp_hdr_t hdr;
- kdp_termination_code_t term_code;
- unsigned exit_code;
-} kdp_termination_t;
+ uint32_t term_code; /* kdp_termination_code_t */
+ uint32_t exit_code;
+} KDP_PACKED kdp_termination_t;
typedef struct {
kdp_hdr_t hdr;
-} kdp_termination_ack_t;
+} KDP_PACKED kdp_termination_ack_t;
+
+/*
+ * KDP_DUMPINFO
+ */
+typedef struct { /* KDP_DUMPINFO request */
+ kdp_hdr_t hdr;
+ char name[50];
+ char destip[16];
+ char routerip[16];
+ uint32_t port;
+ kdp_dumpinfo_t type;
+} KDP_PACKED kdp_dumpinfo_req_t;
+
+typedef struct { /* KDP_DUMPINFO reply */
+ kdp_hdr_t hdr;
+ char name[50];
+ char destip[16];
+ char routerip[16];
+ uint32_t port;
+ kdp_dumpinfo_t type;
+} KDP_PACKED kdp_dumpinfo_reply_t;
+
typedef union {
kdp_hdr_t hdr;
kdp_maxbytes_reply_t maxbytes_reply;
kdp_readmem_req_t readmem_req;
kdp_readmem_reply_t readmem_reply;
+ kdp_readmem64_req_t readmem64_req;
+ kdp_readmem64_reply_t readmem64_reply;
+ kdp_readphysmem64_req_t readphysmem64_req;
+ kdp_readphysmem64_reply_t readphysmem64_reply;
kdp_writemem_req_t writemem_req;
kdp_writemem_reply_t writemem_reply;
+ kdp_writemem64_req_t writemem64_req;
+ kdp_writemem64_reply_t writemem64_reply;
+ kdp_writephysmem64_req_t writephysmem64_req;
+ kdp_writephysmem64_reply_t writephysmem64_reply;
kdp_readregs_req_t readregs_req;
kdp_readregs_reply_t readregs_reply;
kdp_writeregs_req_t writeregs_req;
kdp_termination_ack_t termination_ack;
kdp_breakpoint_req_t breakpoint_req;
kdp_breakpoint_reply_t breakpoint_reply;
+ kdp_breakpoint64_req_t breakpoint64_req;
+ kdp_breakpoint64_reply_t breakpoint64_reply;
kdp_reattach_req_t reattach_req;
kdp_regions_req_t regions_req;
kdp_regions_reply_t regions_reply;
+ kdp_kernelversion_req_t kernelversion_req;
+ kdp_kernelversion_reply_t kernelversion_reply;
+ kdp_readioport_req_t readioport_req;
+ kdp_readioport_reply_t readioport_reply;
+ kdp_writeioport_req_t writeioport_req;
+ kdp_writeioport_reply_t writeioport_reply;
+ kdp_readmsr64_req_t readmsr64_req;
+ kdp_readmsr64_reply_t readmsr64_reply;
+ kdp_writemsr64_req_t writemsr64_req;
+ kdp_writemsr64_reply_t writemsr64_reply;
+ kdp_dumpinfo_req_t dumpinfo_req;
+ kdp_dumpinfo_reply_t dumpinfo_reply;
} kdp_pkt_t;
#define MAX_KDP_PKT_SIZE 1200 /* max packet size */
#define MAX_KDP_DATA_SIZE 1024 /* max r/w data per packet */
+
+/*
+ * Support relatively small request/responses here.
+ * If kgmacros needs to make a larger request, increase
+ * this buffer size
+ */
+#define KDP_MANUAL_PACKET_SIZE 128
+struct kdp_manual_pkt {
+ unsigned char data[KDP_MANUAL_PACKET_SIZE];
+ unsigned int len;
+ boolean_t input;
+} KDP_PACKED;
+
+#ifdef KDP_PROXY_PACK_SUPPORT
+#pragma pack()
+#endif
+
+#endif // _KDP_PROTOCOL_H_