DNBDefs.h revision 0689f164af4e83dad8b48dc1248433f65a553f20 
1//===-- DNBDefs.h -----------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  Created by Greg Clayton on 6/26/07.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef __DNBDefs_h__
15#define __DNBDefs_h__
16
17#include <stdint.h>
18#include <signal.h>
19#include <stdio.h>
20#include <sys/syslimits.h>
21#include <unistd.h>
22
23//----------------------------------------------------------------------
24// Define nub_addr_t and the invalid address value from the architecture
25//----------------------------------------------------------------------
26#if defined (__x86_64__) || defined (__ppc64__)
27
28//----------------------------------------------------------------------
29// 64 bit address architectures
30//----------------------------------------------------------------------
31typedef uint64_t        nub_addr_t;
32#define INVALID_NUB_ADDRESS     ((nub_addr_t)~0ull)
33
34#elif defined (__i386__) || defined (__powerpc__) || defined (__ppc__) || defined (__arm__)
35
36//----------------------------------------------------------------------
37// 32 bit address architectures
38//----------------------------------------------------------------------
39
40typedef uint32_t        nub_addr_t;
41#define INVALID_NUB_ADDRESS     ((nub_addr_t)~0ul)
42
43#else
44
45//----------------------------------------------------------------------
46// Default to 64 bit address for unrecognized architectures.
47//----------------------------------------------------------------------
48
49#warning undefined architecture, defaulting to 8 byte addresses
50typedef uint64_t        nub_addr_t;
51#define INVALID_NUB_ADDRESS     ((nub_addr_t)~0ull)
52
53
54#endif
55
56typedef size_t          nub_size_t;
57typedef ssize_t         nub_ssize_t;
58typedef uint32_t        nub_break_t;
59typedef uint32_t        nub_watch_t;
60typedef uint32_t        nub_index_t;
61typedef pid_t           nub_process_t;
62typedef uint64_t        nub_thread_t;
63typedef uint32_t        nub_event_t;
64typedef uint32_t        nub_bool_t;
65
66#define INVALID_NUB_BREAK_ID    ((nub_break_t)0)
67#define INVALID_NUB_PROCESS     ((nub_process_t)0)
68#define INVALID_NUB_THREAD      ((nub_thread_t)0)
69#define INVALID_NUB_WATCH_ID    ((nub_watch_t)0)
70#define INVALID_NUB_HW_INDEX    UINT32_MAX
71#define INVALID_NUB_REGNUM      UINT32_MAX
72#define NUB_GENERIC_ERROR       UINT32_MAX
73
74#define NUB_BREAK_ID_IS_VALID(breakID)    ((breakID) != (INVALID_NUB_BREAK_ID))
75#define NUB_WATCH_ID_IS_VALID(watchID)    ((watchID) != (INVALID_NUB_WATCH_ID))
76
77// Watchpoint types
78#define WATCH_TYPE_READ     (1u << 0)
79#define WATCH_TYPE_WRITE    (1u << 1)
80
81typedef enum
82{
83    eStateInvalid = 0,
84    eStateUnloaded,
85    eStateAttaching,
86    eStateLaunching,
87    eStateStopped,
88    eStateRunning,
89    eStateStepping,
90    eStateCrashed,
91    eStateDetached,
92    eStateExited,
93    eStateSuspended
94} nub_state_t;
95
96typedef enum
97{
98    eLaunchFlavorDefault = 0,
99    eLaunchFlavorPosixSpawn,
100    eLaunchFlavorForkExec,
101#ifdef WITH_SPRINGBOARD
102    eLaunchFlavorSpringBoard,
103#endif
104} nub_launch_flavor_t;
105
106#define NUB_STATE_IS_RUNNING(s) ((s) == eStateAttaching ||\
107                                 (s) == eStateLaunching ||\
108                                 (s) == eStateRunning ||\
109                                 (s) == eStateStepping ||\
110                                 (s) == eStateDetached)
111
112#define NUB_STATE_IS_STOPPED(s) ((s) == eStateUnloaded ||\
113                                 (s) == eStateStopped ||\
114                                 (s) == eStateCrashed ||\
115                                 (s) == eStateExited)
116
117enum
118{
119    eEventProcessRunningStateChanged = 1 << 0,  // The process has changed state to running
120    eEventProcessStoppedStateChanged = 1 << 1,  // The process has changed state to stopped
121    eEventSharedLibsStateChange = 1 << 2,       // Shared libraries loaded/unloaded state has changed
122    eEventStdioAvailable = 1 << 3,              // Something is available on stdout/stderr
123    eEventProfileDataAvailable = 1 << 4,        // Profile data ready for retrieval
124    kAllEventsMask = eEventProcessRunningStateChanged |
125                     eEventProcessStoppedStateChanged |
126                     eEventSharedLibsStateChange |
127                     eEventStdioAvailable |
128                     eEventProfileDataAvailable
129};
130
131#define LOG_VERBOSE             (1u << 0)
132#define LOG_PROCESS             (1u << 1)
133#define LOG_THREAD              (1u << 2)
134#define LOG_EXCEPTIONS          (1u << 3)
135#define LOG_SHLIB               (1u << 4)
136#define LOG_MEMORY              (1u << 5)    // Log memory reads/writes calls
137#define LOG_MEMORY_DATA_SHORT   (1u << 6)    // Log short memory reads/writes bytes
138#define LOG_MEMORY_DATA_LONG    (1u << 7)    // Log all memory reads/writes bytes
139#define LOG_MEMORY_PROTECTIONS  (1u << 8)    // Log memory protection changes
140#define LOG_BREAKPOINTS         (1u << 9)
141#define LOG_EVENTS              (1u << 10)
142#define LOG_WATCHPOINTS         (1u << 11)
143#define LOG_STEP                (1u << 12)
144#define LOG_TASK                (1u << 13)
145#define LOG_LO_USER             (1u << 16)
146#define LOG_HI_USER             (1u << 31)
147#define LOG_ALL                 0xFFFFFFFFu
148#define LOG_DEFAULT             ((LOG_PROCESS) |\
149                                 (LOG_TASK) |\
150                                 (LOG_THREAD) |\
151                                 (LOG_EXCEPTIONS) |\
152                                 (LOG_SHLIB) |\
153                                 (LOG_MEMORY) |\
154                                 (LOG_BREAKPOINTS) |\
155                                 (LOG_WATCHPOINTS) |\
156                                 (LOG_STEP))
157
158
159#define REGISTER_SET_ALL        0
160// Generic Register set to be defined by each architecture for access to common
161// register values.
162#define REGISTER_SET_GENERIC    ((uint32_t)0xFFFFFFFFu)
163#define GENERIC_REGNUM_PC       0   // Program Counter
164#define GENERIC_REGNUM_SP       1   // Stack Pointer
165#define GENERIC_REGNUM_FP       2   // Frame Pointer
166#define GENERIC_REGNUM_RA       3   // Return Address
167#define GENERIC_REGNUM_FLAGS    4   // Processor flags register
168#define GENERIC_REGNUM_ARG1     5   // The register that would contain pointer size or less argument 1 (if any)
169#define GENERIC_REGNUM_ARG2     6   // The register that would contain pointer size or less argument 2 (if any)
170#define GENERIC_REGNUM_ARG3     7   // The register that would contain pointer size or less argument 3 (if any)
171#define GENERIC_REGNUM_ARG4     8   // The register that would contain pointer size or less argument 4 (if any)
172#define GENERIC_REGNUM_ARG5     9   // The register that would contain pointer size or less argument 5 (if any)
173#define GENERIC_REGNUM_ARG6     10  // The register that would contain pointer size or less argument 6 (if any)
174#define GENERIC_REGNUM_ARG7     11  // The register that would contain pointer size or less argument 7 (if any)
175#define GENERIC_REGNUM_ARG8     12  // The register that would contain pointer size or less argument 8 (if any)
176
177enum DNBRegisterType
178{
179    InvalidRegType = 0,
180    Uint,               // unsigned integer
181    Sint,               // signed integer
182    IEEE754,            // float
183    Vector              // vector registers
184};
185
186enum DNBRegisterFormat
187{
188    InvalidRegFormat = 0,
189    Binary,
190    Decimal,
191    Hex,
192    Float,
193    VectorOfSInt8,
194    VectorOfUInt8,
195    VectorOfSInt16,
196    VectorOfUInt16,
197    VectorOfSInt32,
198    VectorOfUInt32,
199    VectorOfFloat32,
200    VectorOfUInt128
201};
202
203struct DNBRegisterInfo
204{
205    uint32_t    set;            // Register set
206    uint32_t    reg;            // Register number
207    const char *name;           // Name of this register
208    const char *alt;            // Alternate name
209    uint16_t    type;           // Type of the register bits (DNBRegisterType)
210    uint16_t    format;         // Default format for display (DNBRegisterFormat),
211    uint32_t    size;           // Size in bytes of the register
212    uint32_t    offset;         // Offset from the beginning of the register context
213    uint32_t    reg_gcc;        // GCC register number (INVALID_NUB_REGNUM when none)
214    uint32_t    reg_dwarf;      // DWARF register number (INVALID_NUB_REGNUM when none)
215    uint32_t    reg_generic;    // Generic register number (INVALID_NUB_REGNUM when none)
216    uint32_t    reg_gdb;        // The GDB register number (INVALID_NUB_REGNUM when none)
217    uint32_t    *pseudo_regs;   // If this register is a part of another register, list the one or more registers
218    uint32_t    *update_regs;   // If modifying this register will invalidate other registers, list them here
219};
220
221struct DNBRegisterSetInfo
222{
223    const char *name;                           // Name of this register set
224    const struct DNBRegisterInfo *registers;    // An array of register descriptions
225    nub_size_t num_registers;                   // The number of registers in REGISTERS array above
226};
227
228struct DNBThreadResumeAction
229{
230    nub_thread_t tid;   // The thread ID that this action applies to, INVALID_NUB_THREAD for the default thread action
231    nub_state_t state;  // Valid values are eStateStopped/eStateSuspended, eStateRunning, and eStateStepping.
232    int signal;         // When resuming this thread, resume it with this signal
233    nub_addr_t addr;    // If not INVALID_NUB_ADDRESS, then set the PC for the thread to ADDR before resuming/stepping
234};
235
236enum DNBThreadStopType
237{
238    eStopTypeInvalid = 0,
239    eStopTypeSignal,
240    eStopTypeException
241};
242
243enum DNBMemoryPermissions
244{
245    eMemoryPermissionsWritable    = (1 << 0),
246    eMemoryPermissionsReadable    = (1 << 1),
247    eMemoryPermissionsExecutable  = (1 << 2)
248};
249
250#define DNB_THREAD_STOP_INFO_MAX_DESC_LENGTH    256
251#define DNB_THREAD_STOP_INFO_MAX_EXC_DATA       8
252
253//----------------------------------------------------------------------
254// DNBThreadStopInfo
255//
256// Describes the reason a thread stopped.
257//----------------------------------------------------------------------
258struct DNBThreadStopInfo
259{
260    DNBThreadStopType reason;
261    char description[DNB_THREAD_STOP_INFO_MAX_DESC_LENGTH];
262    union
263    {
264        // eStopTypeSignal
265        struct
266        {
267            uint32_t signo;
268        } signal;
269
270        // eStopTypeException
271        struct
272        {
273            uint32_t type;
274            nub_size_t data_count;
275            nub_addr_t data[DNB_THREAD_STOP_INFO_MAX_EXC_DATA];
276        } exception;
277    } details;
278};
279
280
281struct DNBRegisterValue
282{
283    struct DNBRegisterInfo info;    // Register information for this register
284    union
285    {
286        int8_t      sint8;
287        int16_t     sint16;
288        int32_t     sint32;
289        int64_t     sint64;
290        uint8_t     uint8;
291        uint16_t    uint16;
292        uint32_t    uint32;
293        uint64_t    uint64;
294        float       float32;
295        double      float64;
296        int8_t      v_sint8[32];
297        int16_t     v_sint16[16];
298        int32_t     v_sint32[8];
299        int64_t     v_sint64[4];
300        uint8_t     v_uint8[32];
301        uint16_t    v_uint16[16];
302        uint32_t    v_uint32[8];
303        uint64_t    v_uint64[4];
304        float       v_float32[8];
305        double      v_float64[4];
306        void        *pointer;
307        char        *c_str;
308    } value;
309};
310
311enum DNBSharedLibraryState
312{
313    eShlibStateUnloaded    = 0,
314    eShlibStateLoaded    = 1
315};
316
317#ifndef DNB_MAX_SEGMENT_NAME_LENGTH
318#define DNB_MAX_SEGMENT_NAME_LENGTH    32
319#endif
320
321struct DNBSegment
322{
323    char        name[DNB_MAX_SEGMENT_NAME_LENGTH];
324    nub_addr_t  addr;
325    nub_addr_t  size;
326};
327
328struct DNBExecutableImageInfo
329{
330    char        name[PATH_MAX]; // Name of the executable image (usually a full path)
331    uint32_t    state;          // State of the executable image (see enum DNBSharedLibraryState)
332    nub_addr_t  header_addr;    // Executable header address
333    uuid_t      uuid;           // Unique indentifier for matching with symbols
334    uint32_t    num_segments;   // Number of contiguous memory segments to in SEGMENTS array
335    DNBSegment  *segments;      // Array of contiguous memory segments in executable
336};
337
338struct DNBRegionInfo
339{
340    nub_addr_t addr;
341    nub_addr_t size;
342    uint32_t permissions;
343};
344
345enum DNBProfileDataScanType
346{
347    eProfileHostCPU             = (1 << 0),
348    eProfileCPU                 = (1 << 1),
349
350    eProfileThreadsCPU          = (1 << 2), // By default excludes eProfileThreadName and eProfileQueueName.
351    eProfileThreadName          = (1 << 3), // Assume eProfileThreadsCPU, get thread name as well.
352    eProfileQueueName           = (1 << 4), // Assume eProfileThreadsCPU, get queue name as well.
353
354    eProfileHostMemory          = (1 << 5),
355
356    eProfileMemory              = (1 << 6), // By default, excludes eProfileMemoryDirtyPage.
357    eProfileMemoryDirtyPage     = (1 << 7), // Assume eProfileMemory, get Dirty Page size as well.
358
359    eProfileAll                 = 0xffffffff
360};
361
362typedef nub_bool_t (*DNBCallbackBreakpointHit)(nub_process_t pid, nub_thread_t tid, nub_break_t breakID, void *baton);
363typedef nub_addr_t (*DNBCallbackNameToAddress)(nub_process_t pid, const char *name, const char *shlib_regex, void *baton);
364typedef nub_size_t (*DNBCallbackCopyExecutableImageInfos)(nub_process_t pid, struct DNBExecutableImageInfo **image_infos, nub_bool_t only_changed, void *baton);
365typedef void (*DNBCallbackLog)(void *baton, uint32_t flags, const char *format, va_list args);
366
367#endif    // #ifndef __DNBDefs_h__
368