1#ifndef GDBSTUB_H
2#define GDBSTUB_H
3
4#define DEFAULT_GDBSTUB_PORT "1234"
5
6
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#include "cpu.h"
15
16typedef void (*gdb_syscall_complete_cb)(CPUState *cpu,
17 target_ulong ret, target_ulong err);
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36void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
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46void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va);
47int use_gdb_syscalls(void);
48void gdb_set_stop_cpu(CPUState *cpu);
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58void gdb_exit(int code);
59
60#ifdef CONFIG_USER_ONLY
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76int gdb_handlesig(CPUState *, int);
77void gdb_signalled(CPUArchState *, int);
78void gdbserver_fork(CPUState *);
79#endif
80
81typedef int (*gdb_get_reg_cb)(CPUArchState *env, GByteArray *buf, int reg);
82typedef int (*gdb_set_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);
83void gdb_register_coprocessor(CPUState *cpu,
84 gdb_get_reg_cb get_reg, gdb_set_reg_cb set_reg,
85 int num_regs, const char *xml, int g_pos);
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93static inline int gdb_get_reg8(GByteArray *buf, uint8_t val)
94{
95 g_byte_array_append(buf, &val, 1);
96 return 1;
97}
98
99static inline int gdb_get_reg16(GByteArray *buf, uint16_t val)
100{
101 uint16_t to_word = tswap16(val);
102 g_byte_array_append(buf, (uint8_t *) &to_word, 2);
103 return 2;
104}
105
106static inline int gdb_get_reg32(GByteArray *buf, uint32_t val)
107{
108 uint32_t to_long = tswap32(val);
109 g_byte_array_append(buf, (uint8_t *) &to_long, 4);
110 return 4;
111}
112
113static inline int gdb_get_reg64(GByteArray *buf, uint64_t val)
114{
115 uint64_t to_quad = tswap64(val);
116 g_byte_array_append(buf, (uint8_t *) &to_quad, 8);
117 return 8;
118}
119
120static inline int gdb_get_reg128(GByteArray *buf, uint64_t val_hi,
121 uint64_t val_lo)
122{
123 uint64_t to_quad;
124#ifdef TARGET_WORDS_BIGENDIAN
125 to_quad = tswap64(val_hi);
126 g_byte_array_append(buf, (uint8_t *) &to_quad, 8);
127 to_quad = tswap64(val_lo);
128 g_byte_array_append(buf, (uint8_t *) &to_quad, 8);
129#else
130 to_quad = tswap64(val_lo);
131 g_byte_array_append(buf, (uint8_t *) &to_quad, 8);
132 to_quad = tswap64(val_hi);
133 g_byte_array_append(buf, (uint8_t *) &to_quad, 8);
134#endif
135 return 16;
136}
137
138static inline int gdb_get_zeroes(GByteArray *array, size_t len)
139{
140 guint oldlen = array->len;
141 g_byte_array_set_size(array, oldlen + len);
142 memset(array->data + oldlen, 0, len);
143
144 return len;
145}
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155static inline uint8_t * gdb_get_reg_ptr(GByteArray *buf, int len)
156{
157 return buf->data + buf->len - len;
158}
159
160#if TARGET_LONG_BITS == 64
161#define gdb_get_regl(buf, val) gdb_get_reg64(buf, val)
162#define ldtul_p(addr) ldq_p(addr)
163#else
164#define gdb_get_regl(buf, val) gdb_get_reg32(buf, val)
165#define ldtul_p(addr) ldl_p(addr)
166#endif
167
168#endif
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178int gdbserver_start(const char *port_or_device);
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186extern bool gdb_has_xml;
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189extern const char *const xml_builtin[][2];
190
191#endif
192