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#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
#include "cpu.h"
typedef void (*gdb_syscall_complete_cb)(CPUState *cpu,
target_ulong ret, target_ulong err);
/**
* gdb_do_syscall:
* @cb: function to call when the system call has completed
* @fmt: gdb syscall format string
* ...: list of arguments to interpolate into @fmt
*
* Send a GDB syscall request. This function will return immediately;
* the callback function will be called later when the remote system
* call has completed.
*
* @fmt should be in the 'call-id,parameter,parameter...' format documented
* for the F request packet in the GDB remote protocol. A limited set of
* printf-style format specifiers is supported:
* %x - target_ulong argument printed in hex
* %lx - 64-bit argument printed in hex
* %s - string pointer (target_ulong) and length (int) pair
*/
void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
/**
* gdb_do_syscallv:
* @cb: function to call when the system call has completed
* @fmt: gdb syscall format string
* @va: arguments to interpolate into @fmt
*
* As gdb_do_syscall, but taking a va_list rather than a variable
* argument list.
*/
void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va);
int use_gdb_syscalls(void);
void gdb_set_stop_cpu(CPUState *cpu);
void gdb_exit(CPUArchState *, int);
#ifdef CONFIG_USER_ONLY
/**
* gdb_handlesig: yield control to gdb
* @cpu: CPU
* @sig: if non-zero, the signal number which caused us to stop
*
* This function yields control to gdb, when a user-mode-only target
* needs to stop execution. If @sig is non-zero, then we will send a
* stop packet to tell gdb that we have stopped because of this signal.
*
* This function will block (handling protocol requests from gdb)
* until gdb tells us to continue target execution. When it does
* return, the return value is a signal to deliver to the target,
* or 0 if no signal should be delivered, ie the signal that caused
* us to stop should be ignored.
*/
int gdb_handlesig(CPUState *, int);
void gdb_signalled(CPUArchState *, int);
void gdbserver_fork(CPUState *);
#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);
/* 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
void gdbserver_cleanup(void);
/**
* 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
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