cpu: Move icount_extra field from CPU_COMMON to CPUState
[qemu.git] / include / exec / gdbstub.h
1 #ifndef GDBSTUB_H
2 #define GDBSTUB_H
3
4 #define DEFAULT_GDBSTUB_PORT "1234"
5
6 /* GDB breakpoint/watchpoint types */
7 #define GDB_BREAKPOINT_SW 0
8 #define GDB_BREAKPOINT_HW 1
9 #define GDB_WATCHPOINT_WRITE 2
10 #define GDB_WATCHPOINT_READ 3
11 #define GDB_WATCHPOINT_ACCESS 4
12
13 #ifdef NEED_CPU_H
14 typedef void (*gdb_syscall_complete_cb)(CPUState *cpu,
15 target_ulong ret, target_ulong err);
16
17 void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
18 int use_gdb_syscalls(void);
19 void gdb_set_stop_cpu(CPUState *cpu);
20 void gdb_exit(CPUArchState *, int);
21 #ifdef CONFIG_USER_ONLY
22 int gdb_queuesig (void);
23 int gdb_handlesig(CPUState *, int);
24 void gdb_signalled(CPUArchState *, int);
25 void gdbserver_fork(CPUArchState *);
26 #endif
27 /* Get or set a register. Returns the size of the register. */
28 typedef int (*gdb_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);
29 void gdb_register_coprocessor(CPUState *cpu,
30 gdb_reg_cb get_reg, gdb_reg_cb set_reg,
31 int num_regs, const char *xml, int g_pos);
32
33 static inline int cpu_index(CPUState *cpu)
34 {
35 #if defined(CONFIG_USER_ONLY)
36 return cpu->host_tid;
37 #else
38 return cpu->cpu_index + 1;
39 #endif
40 }
41
42 /* The GDB remote protocol transfers values in target byte order. This means
43 * we can use the raw memory access routines to access the value buffer.
44 * Conveniently, these also handle the case where the buffer is mis-aligned.
45 */
46
47 static inline int gdb_get_reg8(uint8_t *mem_buf, uint8_t val)
48 {
49 stb_p(mem_buf, val);
50 return 1;
51 }
52
53 static inline int gdb_get_reg16(uint8_t *mem_buf, uint16_t val)
54 {
55 stw_p(mem_buf, val);
56 return 2;
57 }
58
59 static inline int gdb_get_reg32(uint8_t *mem_buf, uint32_t val)
60 {
61 stl_p(mem_buf, val);
62 return 4;
63 }
64
65 static inline int gdb_get_reg64(uint8_t *mem_buf, uint64_t val)
66 {
67 stq_p(mem_buf, val);
68 return 8;
69 }
70
71 #if TARGET_LONG_BITS == 64
72 #define gdb_get_regl(buf, val) gdb_get_reg64(buf, val)
73 #define ldtul_p(addr) ldq_p(addr)
74 #else
75 #define gdb_get_regl(buf, val) gdb_get_reg32(buf, val)
76 #define ldtul_p(addr) ldl_p(addr)
77 #endif
78
79 #endif
80
81 #ifdef CONFIG_USER_ONLY
82 int gdbserver_start(int);
83 #else
84 int gdbserver_start(const char *port);
85 #endif
86
87 /**
88 * gdb_has_xml:
89 * This is an ugly hack to cope with both new and old gdb.
90 * If gdb sends qXfer:features:read then assume we're talking to a newish
91 * gdb that understands target descriptions.
92 */
93 extern bool gdb_has_xml;
94
95 /* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */
96 extern const char *const xml_builtin[][2];
97
98 #endif