128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
#ifndef GDBSTUB_H
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#define GDBSTUB_H
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#define DEFAULT_GDBSTUB_PORT "1234"
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/* GDB breakpoint/watchpoint types */
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#define GDB_BREAKPOINT_SW 0
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#define GDB_BREAKPOINT_HW 1
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#define GDB_WATCHPOINT_WRITE 2
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#define GDB_WATCHPOINT_READ 3
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#define GDB_WATCHPOINT_ACCESS 4
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#ifdef NEED_CPU_H
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#include "cpu.h"
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typedef void (*gdb_syscall_complete_cb)(CPUState *cpu,
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target_ulong ret, target_ulong err);
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/**
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* gdb_do_syscall:
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* @cb: function to call when the system call has completed
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* @fmt: gdb syscall format string
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* ...: list of arguments to interpolate into @fmt
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*
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* Send a GDB syscall request. This function will return immediately;
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* the callback function will be called later when the remote system
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* call has completed.
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*
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* @fmt should be in the 'call-id,parameter,parameter...' format documented
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* for the F request packet in the GDB remote protocol. A limited set of
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* printf-style format specifiers is supported:
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* %x - target_ulong argument printed in hex
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* %lx - 64-bit argument printed in hex
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* %s - string pointer (target_ulong) and length (int) pair
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*/
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void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
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/**
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* gdb_do_syscallv:
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* @cb: function to call when the system call has completed
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* @fmt: gdb syscall format string
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* @va: arguments to interpolate into @fmt
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*
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* As gdb_do_syscall, but taking a va_list rather than a variable
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* argument list.
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*/
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void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va);
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int use_gdb_syscalls(void);
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void gdb_set_stop_cpu(CPUState *cpu);
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void gdb_exit(CPUArchState *, int);
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#ifdef CONFIG_USER_ONLY
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int gdb_queuesig (void);
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int gdb_handlesig(CPUState *, int);
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void gdb_signalled(CPUArchState *, int);
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void gdbserver_fork(CPUState *);
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#endif
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/* Get or set a register. Returns the size of the register. */
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typedef int (*gdb_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);
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void gdb_register_coprocessor(CPUState *cpu,
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gdb_reg_cb get_reg, gdb_reg_cb set_reg,
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int num_regs, const char *xml, int g_pos);
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static inline int cpu_index(CPUState *cpu)
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{
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#if defined(CONFIG_USER_ONLY)
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return cpu->host_tid;
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#else
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return cpu->cpu_index + 1;
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#endif
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}
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/* The GDB remote protocol transfers values in target byte order. This means
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* we can use the raw memory access routines to access the value buffer.
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* Conveniently, these also handle the case where the buffer is mis-aligned.
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*/
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static inline int gdb_get_reg8(uint8_t *mem_buf, uint8_t val)
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{
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stb_p(mem_buf, val);
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return 1;
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}
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static inline int gdb_get_reg16(uint8_t *mem_buf, uint16_t val)
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{
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stw_p(mem_buf, val);
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return 2;
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}
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static inline int gdb_get_reg32(uint8_t *mem_buf, uint32_t val)
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{
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stl_p(mem_buf, val);
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return 4;
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}
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static inline int gdb_get_reg64(uint8_t *mem_buf, uint64_t val)
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{
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stq_p(mem_buf, val);
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return 8;
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}
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#if TARGET_LONG_BITS == 64
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#define gdb_get_regl(buf, val) gdb_get_reg64(buf, val)
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#define ldtul_p(addr) ldq_p(addr)
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#else
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#define gdb_get_regl(buf, val) gdb_get_reg32(buf, val)
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#define ldtul_p(addr) ldl_p(addr)
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#endif
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#endif
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#ifdef CONFIG_USER_ONLY
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int gdbserver_start(int);
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#else
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int gdbserver_start(const char *port);
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#endif
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/**
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* gdb_has_xml:
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* This is an ugly hack to cope with both new and old gdb.
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* If gdb sends qXfer:features:read then assume we're talking to a newish
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* gdb that understands target descriptions.
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*/
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extern bool gdb_has_xml;
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/* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */
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extern const char *const xml_builtin[][2];
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#endif
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