74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
#ifndef _GPXE_GDBSTUB_H
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#define _GPXE_GDBSTUB_H
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/** @file
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*
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* GDB remote debugging
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*
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*/
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#include <stdint.h>
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#include <gpxe/tables.h>
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#include <gdbmach.h>
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/**
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* A transport mechanism for the GDB protocol
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*
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*/
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struct gdb_transport {
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/** Transport name */
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const char *name;
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/**
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* Set up the transport given a list of arguments
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*
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* @v argc Number of arguments
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* @v argv Argument list
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* @ret Return status code
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*
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* Note that arguments start at argv[0].
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*/
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int ( * init ) ( int argc, char **argv );
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/**
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* Perform a blocking read
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*
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* @v buf Buffer
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* @v len Size of buffer
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* @ret Number of bytes read into buffer
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*/
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size_t ( * recv ) ( char *buf, size_t len );
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/**
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* Write, may block
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*
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* @v buf Buffer
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* @v len Size of buffer
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*/
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void ( * send ) ( const char *buf, size_t len );
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};
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#define __gdb_transport __table ( struct gdb_transport, gdb_transports, 01 )
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/**
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* Look up GDB transport by name
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*
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* @v name Name of transport
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* @ret GDB transport or NULL
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*/
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extern struct gdb_transport *find_gdb_transport ( const char *name );
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/**
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* Break into the debugger using the given transport
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*
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* @v trans GDB transport
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*/
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extern void gdbstub_start ( struct gdb_transport *trans );
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/**
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* Interrupt handler
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*
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* @signo POSIX signal number
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* @regs CPU register snapshot
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**/
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extern void gdbstub_handler ( int signo, gdbreg_t *regs );
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#endif /* _GPXE_GDBSTUB_H */
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