Archipelago » qemu

#ifndef GDBSTUB_H

#define GDBSTUB_H

#define DEFAULT_GDBSTUB_PORT "1234"

/* GDB breakpoint/watchpoint types */

#define GDB_BREAKPOINT_SW        0

#define GDB_BREAKPOINT_HW        1

#define GDB_WATCHPOINT_WRITE     2

#define GDB_WATCHPOINT_READ      3

#define GDB_WATCHPOINT_ACCESS    4

#ifdef NEED_CPU_H

typedef void (*gdb_syscall_complete_cb)(CPUState *cpu,

                                        target_ulong ret, target_ulong err);

void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);

int use_gdb_syscalls(void);

void gdb_set_stop_cpu(CPUState *cpu);

void gdb_exit(CPUArchState *, int);

#ifdef CONFIG_USER_ONLY

int gdb_queuesig (void);

int gdb_handlesig(CPUState *, int);

void gdb_signalled(CPUArchState *, int);

void gdbserver_fork(CPUArchState *);

#endif

/* Get or set a register.  Returns the size of the register.  */

typedef int (*gdb_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);

void gdb_register_coprocessor(CPUState *cpu,

                              gdb_reg_cb get_reg, gdb_reg_cb set_reg,

                              int num_regs, const char *xml, int g_pos);

static inline int cpu_index(CPUState *cpu)

{

#if defined(CONFIG_USER_ONLY)

    return cpu->host_tid;

#else

    return cpu->cpu_index + 1;

#endif

}

/* The GDB remote protocol transfers values in target byte order.  This means

 * we can use the raw memory access routines to access the value buffer.

 * Conveniently, these also handle the case where the buffer is mis-aligned.

 */

static inline int gdb_get_reg8(uint8_t *mem_buf, uint8_t val)

{

    stb_p(mem_buf, val);

    return 1;

}

static inline int gdb_get_reg16(uint8_t *mem_buf, uint16_t val)

{

    stw_p(mem_buf, val);

    return 2;

}

static inline int gdb_get_reg32(uint8_t *mem_buf, uint32_t val)

{

    stl_p(mem_buf, val);

    return 4;

}

static inline int gdb_get_reg64(uint8_t *mem_buf, uint64_t val)

{

    stq_p(mem_buf, val);

    return 8;

}

#if TARGET_LONG_BITS == 64

#define gdb_get_regl(buf, val) gdb_get_reg64(buf, val)

#define ldtul_p(addr) ldq_p(addr)

#else

#define gdb_get_regl(buf, val) gdb_get_reg32(buf, val)

#define ldtul_p(addr) ldl_p(addr)

#endif

#endif

#ifdef CONFIG_USER_ONLY

int gdbserver_start(int);

#else

int gdbserver_start(const char *port);

#endif

/**

 * gdb_has_xml:

 * This is an ugly hack to cope with both new and old gdb.

 * If gdb sends qXfer:features:read then assume we're talking to a newish

 * gdb that understands target descriptions.

 */

extern bool gdb_has_xml;

/* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */

extern const char *const xml_builtin[][2];

#endif