445 lines
18 KiB
C
445 lines
18 KiB
C
/*
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* Debugger definitions
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*
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* Copyright 1995 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_DEBUGGER_H
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#define __WINE_DEBUGGER_H
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#include <assert.h>
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#include <stdarg.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#define WIN32_LEAN_AND_MEAN
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#include "windef.h"
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#include "winbase.h"
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#include "winver.h"
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#include "winternl.h"
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#include "dbghelp.h"
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#include "cvconst.h"
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#include "objbase.h"
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#include "oaidl.h"
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/* the debugger uses these exceptions for it's internal use */
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#define DEBUG_STATUS_OFFSET 0x80003000
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#define DEBUG_STATUS_INTERNAL_ERROR (DEBUG_STATUS_OFFSET+0) /* something went wrong */
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#define DEBUG_STATUS_NO_SYMBOL (DEBUG_STATUS_OFFSET+1) /* no symbol found in lookup */
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#define DEBUG_STATUS_DIV_BY_ZERO (DEBUG_STATUS_OFFSET+2)
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#define DEBUG_STATUS_BAD_TYPE (DEBUG_STATUS_OFFSET+3) /* no type found, when type was expected */
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#define DEBUG_STATUS_NO_FIELD (DEBUG_STATUS_OFFSET+4) /* when dereferencing a struct, the field was not found */
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#define DEBUG_STATUS_ABORT (DEBUG_STATUS_OFFSET+5) /* user aborted on going action */
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#define DEBUG_STATUS_CANT_DEREF (DEBUG_STATUS_OFFSET+6) /* either not deref:able, or index out of bounds */
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#define DEBUG_STATUS_NOT_AN_INTEGER (DEBUG_STATUS_OFFSET+7) /* requiring an integral value */
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/*
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* Return values for symbol_get_function_line_status. Used to determine
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* what to do when the 'step' command is given.
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*/
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enum dbg_line_status
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{
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dbg_no_line_info,
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dbg_not_on_a_line_number,
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dbg_on_a_line_number,
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dbg_in_a_thunk,
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};
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enum dbg_internal_types
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{
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dbg_itype_first = 0xffffff00,
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dbg_itype_unsigned_int,
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dbg_itype_signed_int,
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dbg_itype_signed_char_int,
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dbg_itype_unsigned_char_int,
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dbg_itype_unsigned_short_int,
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dbg_itype_signed_short_int,
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dbg_itype_unsigned_long_int,
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dbg_itype_signed_long_int,
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dbg_itype_unsigned_longlong_int,
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dbg_itype_signed_longlong_int,
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dbg_itype_char,
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dbg_itype_wchar,
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dbg_itype_short_real, /* aka float */
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dbg_itype_real, /* aka double */
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dbg_itype_long_real, /* aka long double */
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dbg_itype_astring,
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dbg_itype_ustring,
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dbg_itype_segptr, /* hack for segmented pointers */
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dbg_itype_none = 0xffffffff
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};
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/* type description (in the following order):
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* - if 'id' is dbg_itype_none (whatever 'module' value), the type isn't known
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* - if 'module' is 0, it's an internal type (id is one of dbg_itype...)
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* - if 'module' is non 0, then 'id' is a type ID referring to module (loaded in
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* dbghelp) which (linear) contains address 'module'.
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*/
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struct dbg_type
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{
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unsigned long id;
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DWORD module;
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};
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struct dbg_lvalue /* structure to hold left-values... */
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{
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int cookie; /* DLV_??? */
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/* DLV_TARGET references an address in debuggee's address space, whereas DLV_HOST
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* references the winedbg's address space
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*/
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# define DLV_TARGET 0xF00D
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# define DLV_HOST 0x50DA
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ADDRESS addr;
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struct dbg_type type;
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};
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enum dbg_exec_mode
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{
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dbg_exec_cont, /* Continue execution */
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dbg_exec_step_over_line, /* Stepping over a call to next source line */
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dbg_exec_step_into_line, /* Step to next source line, stepping in if needed */
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dbg_exec_step_over_insn, /* Stepping over a call */
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dbg_exec_step_into_insn, /* Single-stepping an instruction */
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dbg_exec_finish, /* Single-step until we exit current frame */
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#if 0
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EXEC_STEP_OVER_TRAMPOLINE, /* Step over trampoline. Requires that we dig the real
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* return value off the stack and set breakpoint there -
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* not at the instr just after the call.
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*/
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#endif
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};
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struct dbg_breakpoint
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{
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ADDRESS addr;
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unsigned long enabled : 1,
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xpoint_type : 2,
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refcount : 13,
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skipcount : 16;
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DWORD info;
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struct /* only used for watchpoints */
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{
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BYTE len : 2;
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DWORD oldval;
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} w;
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struct expr* condition;
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};
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/* Wine extension; Windows doesn't have a name for this code. This is an
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undocumented exception understood by MS VC debugger, allowing the program
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to name a particular thread. Search google.com or deja.com for "0x406d1388"
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for more info. */
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#define EXCEPTION_NAME_THREAD 0x406D1388
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/* Helper structure */
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typedef struct tagTHREADNAME_INFO
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{
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DWORD dwType; /* Must be 0x1000 */
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LPCTSTR szName; /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
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DWORD dwThreadID; /* Thread ID (-1 = caller thread) */
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DWORD dwFlags; /* Reserved for future use. Must be zero. */
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} THREADNAME_INFO;
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struct dbg_thread
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{
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struct dbg_process* process;
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HANDLE handle;
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DWORD tid;
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void* teb;
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enum dbg_exec_mode exec_mode; /* mode the thread is run (step/run...) */
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int exec_count; /* count of mode operations */
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ADDRESS_MODE addr_mode; /* mode */
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int stopped_xpoint; /* xpoint on which the thread has stopped (-1 if none) */
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struct dbg_breakpoint step_over_bp;
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char name[9];
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struct dbg_thread* next;
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struct dbg_thread* prev;
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BOOL in_exception; /* TRUE if thread stopped with an exception */
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EXCEPTION_RECORD excpt_record; /* only valid when in_exception is TRUE */
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struct
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{
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ADDRESS addr_pc;
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ADDRESS addr_frame;
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}* frames;
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int num_frames;
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int curr_frame;
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};
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struct dbg_delayed_bp
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{
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BOOL is_symbol;
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BOOL software_bp;
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union
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{
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struct
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{
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int lineno;
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char* name;
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} symbol;
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ADDRESS addr;
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} u;
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};
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#define MAX_BREAKPOINTS 100
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struct dbg_process
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{
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HANDLE handle;
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DWORD pid;
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struct be_process_io* process_io;
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const char* imageName;
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struct dbg_thread* threads;
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unsigned continue_on_first_exception;
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struct dbg_breakpoint bp[MAX_BREAKPOINTS];
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unsigned next_bp;
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struct dbg_delayed_bp* delayed_bp;
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int num_delayed_bp;
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struct dbg_process* next;
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struct dbg_process* prev;
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};
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/* describes the way the debugger interacts with a given process */
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struct be_process_io
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{
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BOOL (WINAPI *read)(HANDLE, const void*, void*, DWORD, DWORD*);
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BOOL (WINAPI *write)(HANDLE, void*, const void*, DWORD, DWORD*);
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};
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extern struct dbg_process* dbg_curr_process;
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extern DWORD dbg_curr_pid;
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extern struct dbg_thread* dbg_curr_thread;
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extern DWORD dbg_curr_tid;
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extern CONTEXT dbg_context;
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extern BOOL dbg_interactiveP;
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struct dbg_internal_var
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{
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DWORD val;
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const char* name;
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LPDWORD pval;
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unsigned long typeid; /* always internal type */
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};
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enum sym_get_lval {sglv_found, sglv_unknown, sglv_aborted};
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enum type_expr_e
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{
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type_expr_type_id,
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type_expr_udt_class,
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type_expr_udt_struct,
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type_expr_udt_union,
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type_expr_enumeration
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};
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struct type_expr_t
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{
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enum type_expr_e type;
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unsigned deref_count;
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union
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{
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struct dbg_type type;
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const char* name;
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} u;
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};
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/* break.c */
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extern void break_set_xpoints(BOOL set);
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extern BOOL break_add_break(const ADDRESS* addr, BOOL verbose, BOOL swbp);
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extern BOOL break_add_break_from_lvalue(const struct dbg_lvalue* value, BOOL swbp);
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extern void break_add_break_from_id(const char* name, int lineno, BOOL swbp);
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extern void break_add_break_from_lineno(int lineno, BOOL swbp);
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extern void break_add_watch_from_lvalue(const struct dbg_lvalue* lvalue);
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extern void break_add_watch_from_id(const char* name);
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extern void break_check_delayed_bp(void);
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extern void break_delete_xpoint(int num);
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extern void break_delete_xpoints_from_module(unsigned long base);
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extern void break_enable_xpoint(int num, BOOL enable);
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extern void break_info(void);
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extern BOOL break_should_continue(ADDRESS* addr, DWORD code, int* count, BOOL* is_break);
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extern void break_suspend_execution(void);
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extern void break_restart_execution(int count);
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extern int break_add_condition(int bpnum, struct expr* exp);
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/* dbg.y */
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extern void parser(const char*);
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extern void parser_handle(HANDLE);
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extern int input_read_line(const char* pfx, char* buffer, int size);
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extern int input_fetch_entire_line(const char* pfx, char** line);
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/* debug.l */
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extern void lexeme_flush(void);
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extern char* lexeme_alloc(const char*);
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extern char* lexeme_alloc_size(int);
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/* display.c */
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extern int display_print(void);
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extern int display_add(struct expr* exp, int count, char format);
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extern int display_delete(int displaynum);
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extern int display_info(void);
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extern int display_enable(int displaynum, int enable);
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/* expr.c */
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extern void expr_free_all(void);
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extern struct expr* expr_alloc_internal_var(const char* name);
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extern struct expr* expr_alloc_symbol(const char* name);
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extern struct expr* expr_alloc_sconstant(int val);
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extern struct expr* expr_alloc_uconstant(unsigned val);
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extern struct expr* expr_alloc_string(const char* str);
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extern struct expr* expr_alloc_binary_op(int oper, struct expr*, struct expr*);
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extern struct expr* expr_alloc_unary_op(int oper, struct expr*);
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extern struct expr* expr_alloc_pstruct(struct expr*, const char* element);
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extern struct expr* expr_alloc_struct(struct expr*, const char* element);
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extern struct expr* expr_alloc_func_call(const char*, int nargs, ...);
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extern struct expr* expr_alloc_typecast(struct type_expr_t*, struct expr*);
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extern struct dbg_lvalue expr_eval(struct expr*);
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extern struct expr* expr_clone(const struct expr* exp, BOOL *local_binding);
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extern int expr_free(struct expr* exp);
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extern int expr_print(const struct expr* exp);
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/* info.c */
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extern void print_help(void);
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extern void info_help(void);
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extern void info_win32_module(DWORD mod);
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extern void info_win32_class(HWND hWnd, const char* clsName);
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extern void info_win32_window(HWND hWnd, BOOL detailed);
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extern void info_win32_processes(void);
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extern void info_win32_threads(void);
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extern void info_win32_exceptions(DWORD tid);
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extern void info_win32_virtual(DWORD pid);
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extern void info_win32_segments(DWORD start, int length);
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extern void info_wine_dbg_channel(BOOL add, const char* chnl, const char* name);
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/* memory.c */
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extern BOOL memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result);
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extern BOOL memory_write_value(const struct dbg_lvalue* val, DWORD size, void* value);
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extern void memory_examine(const struct dbg_lvalue *lvalue, int count, char format);
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extern void* memory_to_linear_addr(const ADDRESS* address);
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extern BOOL memory_get_current_pc(ADDRESS* address);
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extern BOOL memory_get_current_stack(ADDRESS* address);
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extern BOOL memory_get_current_frame(ADDRESS* address);
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extern BOOL memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee, BOOL unicode, char* buffer, int size);
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extern BOOL memory_get_string_indirect(struct dbg_process* pcs, void* addr, BOOL unicode, char* buffer, int size);
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extern void memory_disassemble(const struct dbg_lvalue*, const struct dbg_lvalue*, int instruction_count);
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extern BOOL memory_disasm_one_insn(ADDRESS* addr);
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extern void print_bare_address(const ADDRESS* addr);
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extern void print_address(const ADDRESS* addr, BOOLEAN with_line);
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extern void print_basic(const struct dbg_lvalue* value, int count, char format);
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/* source.c */
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extern void source_list(IMAGEHLP_LINE* src1, IMAGEHLP_LINE* src2, int delta);
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extern void source_list_from_addr(const ADDRESS* addr, int nlines);
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extern void source_show_path(void);
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extern void source_add_path(const char* path);
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extern void source_nuke_path(void);
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/* stack.c */
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extern void stack_info(void);
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extern void stack_backtrace(DWORD threadID);
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extern BOOL stack_set_frame(int newframe);
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extern BOOL stack_get_current_frame(IMAGEHLP_STACK_FRAME* ihsf);
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extern unsigned stack_fetch_frames(void);
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extern BOOL stack_get_current_symbol(SYMBOL_INFO* sym);
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/* symbol.c */
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extern enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno, struct dbg_lvalue* addr, BOOL bp_disp);
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extern void symbol_read_symtable(const char* filename, unsigned long offset);
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extern enum dbg_line_status symbol_get_function_line_status(const ADDRESS* addr);
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extern BOOL symbol_get_line(const char* filename, const char* func, IMAGEHLP_LINE* ret);
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extern void symbol_info(const char* str);
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extern int symbol_info_locals(void);
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extern BOOL symbol_is_local(const char* name);
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/* tgt_minidump.c */
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extern void minidump_write(const char*, const EXCEPTION_RECORD*);
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/* types.c */
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extern void print_value(const struct dbg_lvalue* addr, char format, int level);
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extern int types_print_type(const struct dbg_type*, BOOL details);
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extern int print_types(void);
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extern long int types_extract_as_integer(const struct dbg_lvalue*);
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extern void types_extract_as_address(const struct dbg_lvalue*, ADDRESS*);
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extern BOOL types_deref(const struct dbg_lvalue* value, struct dbg_lvalue* result);
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extern BOOL types_udt_find_element(struct dbg_lvalue* value, const char* name, long int* tmpbuf);
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extern BOOL types_array_index(const struct dbg_lvalue* value, int index, struct dbg_lvalue* result);
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extern BOOL types_get_info(const struct dbg_type*, IMAGEHLP_SYMBOL_TYPE_INFO, void*);
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extern struct dbg_type types_find_pointer(const struct dbg_type* type);
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extern struct dbg_type types_find_type(unsigned long linear, const char* name, enum SymTagEnum tag);
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/* winedbg.c */
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extern void dbg_outputA(const char* buffer, int len);
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extern void dbg_outputW(const WCHAR* buffer, int len);
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#ifdef __GNUC__
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extern int dbg_printf(const char* format, ...) __attribute__((format (printf,1,2)));
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#else
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extern int dbg_printf(const char* format, ...);
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#endif
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extern const struct dbg_internal_var* dbg_get_internal_var(const char*);
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extern BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe, BOOL wfe);
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extern BOOL dbg_detach_debuggee(void);
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extern BOOL dbg_interrupt_debuggee(void);
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extern void dbg_run_debuggee(const char* args);
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extern struct dbg_process* dbg_add_process(DWORD pid, HANDLE h);
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extern void dbg_set_process_name(struct dbg_process* p, const char* name);
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extern struct dbg_process* dbg_get_process(DWORD pid);
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extern void dbg_del_process(struct dbg_process* p);
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struct dbg_thread* dbg_add_thread(struct dbg_process* p, DWORD tid, HANDLE h, void* teb);
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extern struct dbg_thread* dbg_get_thread(struct dbg_process* p, DWORD tid);
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extern void dbg_del_thread(struct dbg_thread* t);
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extern void dbg_wait_next_exception(DWORD cont, int count, int mode);
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extern BOOL dbg_get_debuggee_info(HANDLE hProcess, IMAGEHLP_MODULE* imh_mod);
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/* gdbproxy.c */
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extern BOOL gdb_remote(unsigned int);
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static inline BOOL dbg_read_memory(const void* addr, void* buffer, size_t len)
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{
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DWORD rlen;
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return ReadProcessMemory(dbg_curr_process->handle, addr, buffer, len, &rlen) && len == rlen;
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}
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static inline BOOL dbg_write_memory(void* addr, const void* buffer, size_t len)
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{
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DWORD wlen;
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return WriteProcessMemory(dbg_curr_process->handle, addr, buffer, len, &wlen) && len == wlen;
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}
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static inline void* dbg_heap_realloc(void* buffer, size_t size)
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{
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return (buffer) ? HeapReAlloc(GetProcessHeap(), 0, buffer, size) :
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HeapAlloc(GetProcessHeap(), 0, size);
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}
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extern struct dbg_internal_var dbg_internal_vars[];
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extern const struct dbg_internal_var* dbg_context_vars;
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#define DBG_IVARNAME(_var) dbg_internal_var_##_var
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#define DBG_IVARSTRUCT(_var) dbg_internal_vars[DBG_IVARNAME(_var)]
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#define DBG_IVAR(_var) (*(DBG_IVARSTRUCT(_var).pval))
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#define INTERNAL_VAR(_var,_val,_ref,itype) DBG_IVARNAME(_var),
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enum debug_int_var
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{
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#include "intvar.h"
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DBG_IV_LAST
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};
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#undef INTERNAL_VAR
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/* include CPU dependent bits */
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#include "be_cpu.h"
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#endif /* __WINE_DEBUGGER_H */
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