-+{ 7.4.x }
-+{$ifdef GDB_V704}
-+ {$info using gdb 7.4.x}
-+ {$define GDB_V7}
-+ {$define GDB_BP_LOCATION_HAS_GDBARCH}
-+ {$define GDB_HAS_PROGRAM_SPACE}
-+ {$define GDB_NO_UIOUT}
-+ {$define GDB_NEEDS_INTERPRETER_SETUP}
-+ {$define GDB_NEEDS_SET_INSTREAM}
-+ {$define GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
-+ {$define GDB_USES_BP_OPS}
-+ {$define GDB_BP_TI_HAS_LENGTH}
-+ {$define GDB_BP_LOCATION_HAS_REFCOUNT}
-+ {$define GDB_BP_LOCATION_HAS_OPS}
-+ {$define GDB_UI_FILE_HAS_WRITE_ASYNC}
-+ {$ifdef win32}
-+ {$define GDB_USES_LIBADVAPI32}
-+ {$endif win32}
-+{$endif def GDB_V704}
-+
- { 7.3.x }
- {$ifdef GDB_V703}
- {$info using gdb 7.3.x}
- {$define GDB_V7}
- {$define GDB_BP_LOCATION_HAS_GDBARCH}
- {$define GDB_HAS_PROGRAM_SPACE}
--{$endif def GDB_V702}
-+ {$define GDB_BP_TI_HAS_LENGTH}
-+ {$define GDB_BP_LOCATION_HAS_REFCOUNT}
-+ {$ifdef GDB_CVS}
-+ {$define GDB_NO_UIOUT}
-+ {$define GDB_NEEDS_INTERPRETER_SETUP}
-+ {$define GDB_NEEDS_SET_INSTREAM}
-+ {$define GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
-+ {$define GDB_USES_BP_OPS}
-+ {$define GDB_BP_LOCATION_HAS_OPS}
-+ {$define GDB_UI_FILE_HAS_WRITE_ASYNC}
-+ {$endif GDB_CVS}
-+{$endif def GDB_V703}
-
- { 7.2.x }
- {$ifdef GDB_V702}
-@@ -449,8 +472,11 @@
- {$LINKLIB libintl.a}
- {$LINKLIB imagehlp}
- {$endif not USE_MINGW_GDB}
-- {$LINKLIB kernel32}
-+ {$ifdef GDB_USES_LIBADVAPI32}
-+ {$LINKLIB advapi32}
-+ {$endif GDB_USES_LIBADVAPI32}
- {$LINKLIB user32}
-+ {$LINKLIB kernel32}
- {$endif win32}
-
- {$ifdef win64}
-@@ -589,9 +615,11 @@
- type
-
- pui_file = ^ui_file;
-+ pstdio_file = ^stdio_file;
-
- ui_file_flush_ftype = procedure(stream : pui_file);cdecl;
- ui_file_write_ftype = procedure(stream : pui_file;buf : pchar;len : longint);cdecl;
-+ ui_file_write_async_save_ftype = procedure(stream : pui_file;buf : pchar;len : longint);cdecl;
- ui_file_fputs_ftype = procedure(buf : pchar; stream : pui_file);cdecl;
- ui_file_delete_ftype = procedure(stream : pui_file);cdecl;
- ui_file_isatty_ftype = function(stream : pui_file) : longbool;cdecl;
-@@ -606,6 +634,9 @@
- magic : plongint;
- to_flush : ui_file_flush_ftype;
- to_write : ui_file_write_ftype;
-+ {$ifdef GDB_UI_FILE_HAS_WRITE_ASYNC}
-+ to_write_async_safe : ui_file_write_async_save_ftype;
-+ {$endif}
- to_fputs : ui_file_fputs_ftype;
- {$ifdef GDB_V6}
- to_read : ui_file_read_ftype;
-@@ -617,6 +648,13 @@
- to_data : pointer;
- end;
-
-+ stdio_file = record
-+ magic : plongint;
-+ _file : P_C_FILE;
-+ df : longint;
-+ close_p : longint;
-+ end;
-+
- { used to delete stdio_ui_file gdb_stdout and gdb_stderr }
- procedure ui_file_delete(stream : pui_file);cdecl;external;
-
-@@ -775,10 +813,16 @@
- {$ifdef GDB_V6}
- type
- ui_out = pointer;
-+{$ifndef GDB_NO_UIOUT}
- var
- uiout : ui_out;cvar;external;
-+{$else GDB_NO_UIOUT}
-+var
-+ cli_uiout : ui_out;cvar;external;
-+ current_uiout : ui_out;cvar;external;
-+{$endif GDB_NO_UIOUT}
- function cli_out_new (stream : pui_file):ui_out;cdecl;external;
--{$endif}
-+{$endif GDB_V6}
-
- {$ifdef go32v2}
- { needed to be sure %fs contains the DOS memory selector
-@@ -816,8 +860,11 @@
- jmp_buf = dpmi_jmp_buf;
- pjmp_buf = pdpmi_jmp_buf;
-
-+
- function setjmp(var rec : jmp_buf) : longint;cdecl;external;
-
-+ function malloc(size : longint) : pointer;cdecl;external;
-+
- procedure longjmp(var rec : jmp_buf;return_value : longint);cdecl;external;
-
- procedure reload_fs;assembler;
-@@ -870,6 +917,13 @@
- pCORE_ADDR = ^CORE_ADDR;
- pblock = ^block;
-
-+ tframe_id = record
-+ stack_addr, code_addr, special_addr : CORE_ADDR;
-+ addr_p_flags : byte;{ for three 1 bit flags
-+ stack_addr_p, code_addr_p, special_addr_p : cint : 1; }
-+ inline_depth : longint;
-+ end;
-+
- tlanguage = (language_unknown,language_auto,language_c,
- language_cplus,language_java,language_chill,
- language_fortran,language_m2,language_asm,
-@@ -898,9 +952,18 @@
-
- target_hw_bp_type = (hw_write, hw_read, hw_access, hw_execute);
-
-+ { pointer to structures that we don't need }
-+ pbp_ops = pointer;
-+ pbp_location_ops = pointer;
-+ pprogram_space = pointer;
-+ pgdbarch = pointer;
-+
- {$PACKRECORDS 4}
- pbreakpoint = ^breakpoint;
- breakpoint = record
-+{$ifdef GDB_USES_BP_OPS}
-+ ops : pbp_ops;
-+{$endif GDB_USES_BP_OPS}
- next : pbreakpoint;
- typ : bptype;
- enable : tenable;
-@@ -911,19 +974,36 @@
- {$else not GDB_USES_BP_LOCATION}
- address : CORE_ADDR;
- {$endif not GDB_USES_BP_LOCATION}
-+{$ifndef GDB_USES_BP_OPS}
- line_number : longint;
- source_file : pchar;
-+{$endif not GDB_USES_BP_OPS}
- silent : byte;
-+{$ifdef GDB_USES_BP_OPS}
-+ display_canonical: byte;
-+{$endif GDB_USES_BP_OPS}
-+
- ignore_count : longint;
- {$ifndef GDB_USES_BP_LOCATION}
- shadow_contents : array[0..15] of char;
- inserted : char;
- duplicate : char;
- {$endif not GDB_USES_BP_LOCATION}
-+
- commands : pointer; {^command_line}
-+{$ifdef GDB_USES_BP_OPS}
-+ frame_id : tframe_id;
-+ pspace : pprogram_space;
-+{$else not GDB_USES_BP_OPS}
- frame : CORE_ADDR;
- cond : pointer; {^expression}
-- addr_string : ^char;
-+{$endif GDB_USES_BP_OPS}
-+ addr_string : pchar;
-+{$ifdef GDB_USES_BP_OPS}
-+ filter : pchar;
-+ addr_string_range_end : pchar;
-+ gdbarch : pgdbarch;
-+{$endif GDB_USES_BP_OPS}
- language : tlanguage;
- input_radix : longint;
- cond_string : ^char;
-@@ -942,6 +1022,9 @@
- bp_target_info = record
- placed_address_space : pointer;{paddress_space;}
- placed_address : CORE_ADDR;
-+{$ifdef GDB_BP_TI_HAS_LENGTH}
-+ length : longint;
-+{$endif GDB_BP_TI_HAS_LENGTH}
- shadow_contents : array[0..15] of char;
- shadow_len : longint;
- placed_size : longint;
-@@ -949,9 +1032,17 @@
-
- bp_location = record
- next : pbp_location;
-+{$ifdef GDB_BP_LOCATION_HAS_OPS}
-+ ops : pbp_location_ops;
-+{$endif GDB_BP_LOCATION_HAS_OPS}
-+
-+{$ifdef GDB_BP_LOCATION_HAS_REFCOUNT}
-+ refc : longint;
-+{$else}
- {$ifdef GDB_BP_LOCATION_HAS_GLOBAL_NEXT}
- global_next : pbp_location;
- {$endif GDB_BP_LOCATION_HAS_GLOBAL_NEXT}
-+{$endif}
- loc_type : bp_loc_type;
- owner : pbreakpoint;
- {$ifdef GDB_BP_LOCATION_HAS_GLOBAL_NEXT}
-@@ -962,10 +1053,10 @@
- inserted : byte;
- duplicate : byte;
- {$ifdef GDB_BP_LOCATION_HAS_GDBARCH}
-- gdbarch : pointer;{pgdbarch;}
-+ gdbarch : pgdbarch;
- {$endif GDB_BP_LOCATION_HAS_GDBARCH}
- {$ifdef GDB_HAS_PROGRAM_SPACE}
-- pspace : pointer;{pprogram_space;}
-+ pspace : pprogram_space;
- {$endif GDB_HAS_PROGRAM_SPACE}
- address : CORE_ADDR;
- {$ifdef GDB_BP_LOCATION_HAS_GLOBAL_NEXT}
-@@ -980,6 +1071,11 @@
- target_info : bp_target_info;
- overlay_target_info : bp_target_info;
- events_till_retirement : longint;
-+{$ifdef GDB_USES_BP_OPS}
-+ { line and source file are in location }
-+ line_number : longint;
-+ source_file : pchar;
-+{$endif not GDB_USES_BP_OPS}
- end;
-
- tfreecode=(free_nothing,free_contents,free_linetable);
-@@ -1489,7 +1585,9 @@
- {$endif ndef GDB_HAS_OBSERVER_NOTIFY_BREAKPOINT_CREATED}
- current_target : target_ops;cvar;external;
- stop_pc : CORE_ADDR;cvar;external;
-- { Only used from GDB 5.01 but doesn't hurst otherwise }
-+ { Only used from GDB 5.0 but doesn't hurst otherwise }
-+ { This global variable is declared in defs.h as external
-+ and instanciated in main.c since version 5.0. }
- interpreter_p : pchar;cvar;public;
-
- { we need also to declare some vars }
-@@ -1503,13 +1601,22 @@
-
- { Whether xdb commands will be handled }
- {$ifdef GDB_HAS_DB_COMMANDS}
-+ { These two global variables are declared in defs.h
-+ since version 4.18 }
- xdb_commands : longint;cvar;public;
-
- { Whether dbx commands will be handled }
- dbx_commands : longint;cvar;public;
- {$endif GDB_HAS_DB_COMMANDS}
-
-+{$ifdef GDB_NEEDS_SET_INSTREAM}
-+var
-+ instream : P_C_FILE;cvar;external;
-+ function gdb_fopen (filename : pchar; mode : pchar) : pui_file;cdecl;external;
-+{$endif GDB_NEEDS_SET_INSTREAM}
- var
-+ { The four following variables are defined in defs.h
-+ and instanciated in main.c since version 5.0 }
- gdb_stdout : pui_file;cvar;public;
- gdb_stderr : pui_file;cvar;public;
- gdb_stdlog : pui_file;cvar;public;
-@@ -1517,6 +1624,9 @@
- event_loop_p : longint;cvar;public;
- {$ifdef GDB_V6}
- (* target IO streams *)
-+ { The three following variables are declared in defs.h
-+ and instanciated in main.c since version 6.0 }
-+ gdb_stdin : pui_file;cvar;public;
- gdb_stdtargin : pui_file;cvar;public;
- gdb_stdtargerr : pui_file;cvar;public;
- {$endif}
-@@ -1524,7 +1634,10 @@
- { used for gdb_stdout and gdb_stderr }
- function xmalloc(size : longint) : pointer;cdecl;external;
- { used for QueryHook }
--function xstrvprintf(msg : pchar) : pchar; varargs; cdecl; external;
-+{ xvasprintf is present at least from GDB 5.3
-+ while xstrvprintf only appears in version 6.2,
-+ so only use xvasprintf function }
-+function xvasprintf(ret : ppchar; msg : pchar) : pchar; varargs; cdecl; external;
- procedure xfree(p : pointer); cdecl; external;
- function find_pc_line(i:CORE_ADDR;l:longint):symtab_and_line;cdecl;external;
- function find_pc_function(i:CORE_ADDR):psymbol;cdecl;external;
-@@ -2407,11 +2520,15 @@
- QueryHook:=0
- else
- begin
-- if curr_gdb^.reset_command and (pos('Kill',question)>0) then
-+ if curr_gdb^.reset_command and ((pos('Kill',question)>0) or
-+ (pos('Discard symbol table',question)>0)) then
- QueryHook:=1
- else if pos('%',question)>0 then
- begin
-- local:=xstrvprintf(question,arg);
-+ xvasprintf(@local,question,arg);
-+ { xvasprintf can failed, in that case local is set to nil }
-+ if not assigned(local) then
-+ local:=question;
- QueryHook:=curr_gdb^.Query(local, nil);
- xfree(local);
- end
-@@ -2452,7 +2569,12 @@
- last_breakpoint_number:=b.number;
- { function breakpoints have zero as file and as line !!
- but they are valid !! }
-+{$ifndef GDB_USES_BP_OPS}
- invalid_breakpoint_line:=(b.line_number<>sym.line) and (b.line_number<>0);
-+{$else GDB_USES_BP_OPS}
-+ invalid_breakpoint_line:=(b.loc=nil) or
-+ ((b.loc^.line_number<>sym.line) and (b.loc^.line_number<>0));
-+{$endif GDB_USES_BP_OPS}
- {$ifdef GDB_USES_BP_LOCATION}
- if assigned (b.loc) then
- last_breakpoint_address:=b.loc^.address
-@@ -2472,7 +2594,11 @@
- {$ifdef GDB_HAS_OBSERVER_NOTIFY_BREAKPOINT_CREATED}
-
- type
-+{$ifdef GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
-+ breakpoint_created_function_type = procedure (bpp : pbreakpoint); cdecl;
-+{$else not GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
- breakpoint_created_function_type = procedure (bpnum : longint); cdecl;
-+{$endif not GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
- pobserver = pointer;
- var
- breakpoint_created_observer : pobserver = nil;
-@@ -2480,8 +2606,14 @@
- function observer_attach_breakpoint_created(create_func : breakpoint_created_function_type) : pobserver;cdecl;external;
- procedure observer_detach_breakpoint_created(pob : pobserver);cdecl;external;
-
--var breakpoint_chain : pbreakpoint ;cvar;external;
-
-+{$ifdef GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
-+procedure notify_breakpoint_created(bpp : pbreakpoint); cdecl;
-+begin
-+ CreateBreakpointHook(bpp^);
-+end;
-+{$else not GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
-+var breakpoint_chain : pbreakpoint ;cvar;external;
-
- procedure notify_breakpoint_created(bpnum : longint);cdecl;
- var
-@@ -2499,8 +2631,16 @@
- pb:=pb^.next;
- end;
- end;
-+{$endif not GDB_NOTIFY_BREAKPOINT_ARG_IS_BREAKPOINT_PTR}
- {$endif def GDB_HAS_OBSERVER_NOTIFY_BREAKPOINT_CREATED}
-
-+{ Avoid loading of main.o object by providing a
-+ stripped down version of relocate_gdb_directory function }
-+function relocate_gdb_directory(path : pchar) : pchar; cdecl; public;
-+begin
-+ relocate_gdb_directory:=path;
-+end;
-+
- {*****************************************************************************
- tgdbinterface
- *****************************************************************************}
-@@ -2529,7 +2669,7 @@
- gdb_command('set print object on');
- gdb_command('set print null-stop');
- {$ifdef USE_MINGW_GDB} // maybe this also should be done for newer cygwin gdbs.
-- gdb_command('set confirm off');
-+ //gdb_command('set confirm off');
- {$endif}
- end;
-
-@@ -2610,9 +2750,9 @@
- var
- top_level_val : longint;
-
--function catch_errors(func : pointer; command : pchar; from_tty,mask : longint) : longint;cdecl;external;
-+function catch_command_errors(func : pointer; command : pchar; from_tty,mask : longint) : longint;cdecl;external;
-
--function gdbint_execute_command(command : pchar; from_tty,mask : longint) : longint;cdecl;
-+function gdbint_execute_command(command : pchar; from_tty : longint) : longint;cdecl;
- begin
- gdbint_execute_command:=1;
- execute_command(command,from_tty);
-@@ -2659,6 +2799,8 @@
- begin
- {$ifdef cpui386}
- MaskAllFPUExceptions := control or MaskAllExceptions;
-+{$else}
-+ MaskAllFPUExceptions:=0;
- {$endif}
- end;
-
-@@ -2717,7 +2859,8 @@
- begin
- quit_return:=error_return;
- mask:=longint($ffffffff);
-- catch_errors(@gdbint_execute_command,@command,0,mask);
-+ catch_command_errors(@gdbint_execute_command,@command,
-+ 1,mask);
- {$ifdef go32v2}
- reload_fs;
- {$endif go32v2}
-@@ -2974,11 +3117,43 @@
- c_environ : ppchar;external name '_environ';
- c_argc : longint;external name '___crt0_argc';
- c_argv : ppchar;external name '___crt0_argv';
-+
-+ procedure ReallocateEnvironUsingCMalloc;
-+
-+ var
-+ neededsize , count : longint;
-+ penv : pchar;
-+ newenv : ppchar;
-+ begin
-+ if not assigned(c_environ) then
-+ neededsize:=0
-+ else
-+ begin
-+ count:=0;
-+ penv:=c_environ^;
-+ while assigned(penv) do
-+ begin
-+ inc(count);
-+ inc(penv,sizeof(pchar));
-+ end;
-+ neededsize:=count*sizeof(pchar);
-+ end;
-+ newenv:=malloc(neededsize);
-+ system.move(c_environ,newenv,neededsize);
-+ c_environ:=newenv;
-+ end;
-+
- {$endif def go32v2}
- var
- current_directory : pchar; cvar; external;
- gdb_dirbuf : array[0..0] of char; cvar; external;
- CurrentDir : AnsiString;
-+{$ifdef GDB_NEEDS_INTERPRETER_SETUP}
-+ type
-+ interpreter_struct_p = pointer; { to opaque type }
-+ function interp_lookup (name : pchar) : interpreter_struct_p;cdecl; external;
-+ function interp_set (interp : interpreter_struct_p) : longbool;cdecl; external;
-+{$endif GDB_NEEDS_INTERPRETER_SETUP}
- const
- DIRBUF_SIZE = 1024;
-
-@@ -2987,13 +3162,28 @@
- var
- OldSigInt : SignalHandler;
- {$endif supportexceptions}
-+{$ifdef GDB_NEEDS_SET_INSTREAM}
-+var
-+ dummy_file : pui_file;
-+{$endif GDB_NEEDS_SET_INSTREAM}
-+
- {$ifdef GDB_INIT_HAS_ARGV0}
- var
- argv0 : pchar;
- {$endif not GDB_INIT_HAS_ARGV0}
-+{$ifdef GDB_NEEDS_INTERPRETER_SETUP}
-+var
-+ interp : interpreter_struct_p;
-+{$endif GDB_NEEDS_INTERPRETER_SETUP}
-+var
-+ save_gdb_stdin,
-+ save_gdb_stdout,
-+ save_gdb_stderr : pui_file;
- begin
- {$ifdef go32v2}
-- c_environ:=system.envp;
-+ { c_environ:=system.envp; }
-+ { DJGPP libC presupposes the c_enivron was malloc'ated }
-+ ReallocateEnvironUsingCMalloc;
- c_argc:=system.argc;
- c_argv:=system.argv;
- {$endif def go32v2}
-@@ -3013,8 +3203,25 @@
- ui_file_delete(gdb_stderr);
- if assigned(gdb_stdout) then
- ui_file_delete(gdb_stdout);
-+{$ifdef GDB_NEEDS_SET_INSTREAM}
-+ if assigned(gdb_stdin) then
-+ ui_file_delete(gdb_stdin);
-+ gdb_stdin:=mem_fileopen;
-+ save_gdb_stdin:=gdb_stdin;
-+ dummy_file :=gdb_fopen('dummy.$$$','a');
-+ {in captured_main code, this is simply
-+ instream:=stdin; but stdin is a highly system dependent macro
-+ so that we try to avoid it here }
-+ if assigned(dummy_file) then
-+ instream:=pstdio_file(dummy_file^.to_data)^._file
-+ else
-+ instream:=nil;
-+{$endif GDB_NEEDS_SET_INSTREAM}
-+
- gdb_stderr:=mem_fileopen;
- gdb_stdout:=mem_fileopen;
-+ save_gdb_stderr:=gdb_stderr;
-+ save_gdb_stdout:=gdb_stdout;
- gdb_stdlog:=gdb_stderr;
- gdb_stdtarg:=gdb_stderr;
- set_ui_file_write(gdb_stdout,@gdbint_ui_file_write);
-@@ -3023,7 +3230,9 @@
- error_init;
- {$endif GDB_NEEDS_NO_ERROR_INIT}
- {$ifdef GDB_V6}
--// gdb_stdtargin := gdb_stdin;
-+{$ifdef GDB_NEEDS_SET_INSTREAM}
-+ gdb_stdtargin := gdb_stdin;
-+{$endif GDB_NEEDS_SET_INSTREAM}
- gdb_stdtargerr := gdb_stderr;
- {$endif}
- GetDir(0, CurrentDir);
-@@ -3035,8 +3244,10 @@
- next_exit:=exitproc;
- exitproc:=@DoneLibGDB;
- {$ifdef GDB_V6}
-+{$ifndef GDB_NO_UIOUT}
- uiout := cli_out_new (gdb_stdout);
--{$endif}
-+{$endif not GDB_NO_UIOUT}
-+{$endif GDB_V6}
- {$ifdef GDB_INIT_HAS_ARGV0}
- getmem(argv0,length(paramstr(0))+1);
- strpcopy(argv0,paramstr(0));
-@@ -3045,6 +3256,31 @@
- {$else not GDB_INIT_HAS_ARGV0}
- gdb_init;
- {$endif not GDB_INIT_HAS_ARGV0}
-+{$ifdef GDB_NEEDS_INTERPRETER_SETUP}
-+ { interpreter can only be set after all files are
-+ initialized, which is done in gdb_init function. }
-+ interp := interp_lookup ('console');
-+ interp_set (interp);
-+
-+ { We need to re-set gdb_stdXX ui_files }
-+ if assigned(gdb_stderr) then
-+ ui_file_delete(gdb_stderr);
-+ if assigned(gdb_stdout) then
-+ ui_file_delete(gdb_stdout);
-+ if assigned(gdb_stdin) then
-+ ui_file_delete(gdb_stdin);
-+ gdb_stdin:=save_gdb_stdin;
-+ gdb_stderr:=save_gdb_stderr;
-+ gdb_stdout:=save_gdb_stdout;
-+ gdb_stdlog:=gdb_stderr;
-+ gdb_stdtarg:=gdb_stderr;
-+ set_ui_file_write(gdb_stdout,@gdbint_ui_file_write);
-+ set_ui_file_write(gdb_stderr,@gdbint_ui_file_write);
-+{$ifdef GDB_NO_UIOUT}
-+ cli_uiout := cli_out_new (gdb_stdout);
-+ current_uiout:=cli_uiout;
-+{$endif GDB_NO_UIOUT}
-+{$endif GDB_NEEDS_INTERPRETER_SETUP}
- {$ifdef supportexceptions}
- {$ifdef unix}
- fpsignal(SIGINT,OldSigInt);
-@@ -3070,14 +3306,34 @@
- end;
-
- {$ifdef GDB_HAS_SYSROOT}
--var gdb_sysroot : pchar; cvar;public;
-+ { Here we declare as cvar;public; a bunch of global
-+ variables that are defined in main.c source.
-+ We must not load main.o otherwise, we will get
-+ into multiply defined symbols troubles. }
-+var
-+ gdb_sysrootc : char;
-+ { used locally only to provide a pchar pointing to '\0' }
-+ gdb_sysroot : pchar; cvar;public;
-+ { gdb_sysroot global variable is declared in defs.h and
-+ instanciated in main.c since version 6.0 }
- gdb_datadir : pchar; cvar;public;
-+ { gdb_datadir global variable is declared in defs.h and
-+ instanciated in main.c since version 7.0 }
- python_libdir : pchar;cvar;public;
-- gdb_sysrootc : char;
-+ { python_libdir global variable is declared in defs.h and instanciated
-+ in main.c since version 7.2 }
- return_child_result : longbool;cvar;public;
-+ { return_chlid_result global variable is declared in main.h and
-+ instanciated in main.c since version 6.4 }
- return_child_result_value : longint;cvar;public;
-+ { return_child_result_value global variable is declared in main.h and
-+ instanciated in main.c since version 6.4 with a startup value of -1 }
- batch_silent : longbool;cvar;public;
-+ { batch_silent global variable is declared in main.h since 7.0, but
-+ instanciated in main.c since version 6.4 }
- batch_flag : longbool;cvar;public;
-+ { batch_flag global variable is declared in main.h and
-+ instanciated in main.c since version 7.2 }
- {$endif}
- {$ifdef GDB_HAS_DEBUG_FILE_DIRECTORY}
- var
-@@ -3087,6 +3343,7 @@
- begin
- {$ifdef GDB_HAS_SYSROOT}
- gdb_sysrootc := #0;
-+ return_child_result_value := -1;
- gdb_sysroot := @gdb_sysrootc;
- gdb_datadir := @gdb_sysrootc;
- python_libdir := @gdb_sysrootc;
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