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Commit | Line | Data |
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1fddef4b FB |
1 | #ifndef GDBSTUB_H |
2 | #define GDBSTUB_H | |
3 | ||
cfc3475a | 4 | #define DEFAULT_GDBSTUB_PORT "1234" |
1fddef4b | 5 | |
e22a25c9 AL |
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 | ||
1c14f162 | 13 | #ifdef NEED_CPU_H |
33c11879 PB |
14 | #include "cpu.h" |
15 | ||
9e0c5422 | 16 | typedef void (*gdb_syscall_complete_cb)(CPUState *cpu, |
a2d1ebaf PB |
17 | target_ulong ret, target_ulong err); |
18 | ||
19239b39 PM |
19 | /** |
20 | * gdb_do_syscall: | |
21 | * @cb: function to call when the system call has completed | |
22 | * @fmt: gdb syscall format string | |
23 | * ...: list of arguments to interpolate into @fmt | |
24 | * | |
25 | * Send a GDB syscall request. This function will return immediately; | |
26 | * the callback function will be called later when the remote system | |
27 | * call has completed. | |
28 | * | |
29 | * @fmt should be in the 'call-id,parameter,parameter...' format documented | |
30 | * for the F request packet in the GDB remote protocol. A limited set of | |
31 | * printf-style format specifiers is supported: | |
32 | * %x - target_ulong argument printed in hex | |
33 | * %lx - 64-bit argument printed in hex | |
34 | * %s - string pointer (target_ulong) and length (int) pair | |
35 | */ | |
7ccfb2eb | 36 | void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...); |
19239b39 PM |
37 | /** |
38 | * gdb_do_syscallv: | |
39 | * @cb: function to call when the system call has completed | |
40 | * @fmt: gdb syscall format string | |
41 | * @va: arguments to interpolate into @fmt | |
42 | * | |
43 | * As gdb_do_syscall, but taking a va_list rather than a variable | |
44 | * argument list. | |
45 | */ | |
46 | void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va); | |
a2d1ebaf | 47 | int use_gdb_syscalls(void); |
64f6b346 | 48 | void gdb_set_stop_cpu(CPUState *cpu); |
9349b4f9 | 49 | void gdb_exit(CPUArchState *, int); |
1fddef4b | 50 | #ifdef CONFIG_USER_ONLY |
db6b81d4 | 51 | int gdb_handlesig(CPUState *, int); |
9349b4f9 | 52 | void gdb_signalled(CPUArchState *, int); |
f7ec7f7b | 53 | void gdbserver_fork(CPUState *); |
4046d913 | 54 | #endif |
56aebc89 | 55 | /* Get or set a register. Returns the size of the register. */ |
9349b4f9 | 56 | typedef int (*gdb_reg_cb)(CPUArchState *env, uint8_t *buf, int reg); |
22169d41 | 57 | void gdb_register_coprocessor(CPUState *cpu, |
56aebc89 PB |
58 | gdb_reg_cb get_reg, gdb_reg_cb set_reg, |
59 | int num_regs, const char *xml, int g_pos); | |
1fddef4b | 60 | |
0d34282f | 61 | static inline int cpu_index(CPUState *cpu) |
68f4730c | 62 | { |
24cb36a6 | 63 | #if defined(CONFIG_USER_ONLY) |
0d34282f | 64 | return cpu->host_tid; |
68f4730c | 65 | #else |
55e5c285 | 66 | return cpu->cpu_index + 1; |
68f4730c WC |
67 | #endif |
68 | } | |
69 | ||
986a2998 AF |
70 | /* The GDB remote protocol transfers values in target byte order. This means |
71 | * we can use the raw memory access routines to access the value buffer. | |
72 | * Conveniently, these also handle the case where the buffer is mis-aligned. | |
73 | */ | |
74 | ||
75 | static inline int gdb_get_reg8(uint8_t *mem_buf, uint8_t val) | |
76 | { | |
77 | stb_p(mem_buf, val); | |
78 | return 1; | |
79 | } | |
80 | ||
81 | static inline int gdb_get_reg16(uint8_t *mem_buf, uint16_t val) | |
82 | { | |
83 | stw_p(mem_buf, val); | |
84 | return 2; | |
85 | } | |
86 | ||
87 | static inline int gdb_get_reg32(uint8_t *mem_buf, uint32_t val) | |
88 | { | |
89 | stl_p(mem_buf, val); | |
90 | return 4; | |
91 | } | |
92 | ||
93 | static inline int gdb_get_reg64(uint8_t *mem_buf, uint64_t val) | |
94 | { | |
95 | stq_p(mem_buf, val); | |
96 | return 8; | |
97 | } | |
98 | ||
99 | #if TARGET_LONG_BITS == 64 | |
100 | #define gdb_get_regl(buf, val) gdb_get_reg64(buf, val) | |
101 | #define ldtul_p(addr) ldq_p(addr) | |
102 | #else | |
103 | #define gdb_get_regl(buf, val) gdb_get_reg32(buf, val) | |
104 | #define ldtul_p(addr) ldl_p(addr) | |
105 | #endif | |
106 | ||
1fddef4b | 107 | #endif |
1c14f162 BS |
108 | |
109 | #ifdef CONFIG_USER_ONLY | |
110 | int gdbserver_start(int); | |
111 | #else | |
112 | int gdbserver_start(const char *port); | |
113 | #endif | |
114 | ||
5b50e790 AF |
115 | /** |
116 | * gdb_has_xml: | |
117 | * This is an ugly hack to cope with both new and old gdb. | |
118 | * If gdb sends qXfer:features:read then assume we're talking to a newish | |
119 | * gdb that understands target descriptions. | |
120 | */ | |
121 | extern bool gdb_has_xml; | |
122 | ||
4c3b5a48 | 123 | /* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */ |
0b65b9e1 BS |
124 | extern const char *const xml_builtin[][2]; |
125 | ||
1c14f162 | 126 | #endif |