Sweden-Number/tools/winedump/output.c

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/*
* Code generation functions
*
* Copyright 2000-2002 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
#include "config.h"
#include "wine/port.h"
#include "winedump.h"
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/* Output files */
static FILE *specfile = NULL;
static FILE *hfile = NULL;
static FILE *cfile = NULL;
static void output_spec_postamble (void);
static void output_header_postamble (void);
static void output_c_postamble (void);
static void output_c_banner (const parsed_symbol *sym);
static const char *get_format_str (int type);
static const char *get_in_or_out (const parsed_symbol *sym, size_t arg);
/*******************************************************************
* output_spec_preamble
*
* Write the first part of the .spec file
*/
void output_spec_preamble (void)
{
specfile = open_file (OUTPUT_DLL_NAME, ".spec", "w");
atexit (output_spec_postamble);
if (VERBOSE)
puts ("Creating .spec preamble");
fprintf (specfile,
"# Generated from %s by winedump\n\n", globals.input_name);
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}
/*******************************************************************
* output_spec_symbol
*
* Write a symbol to the .spec file
*/
void output_spec_symbol (const parsed_symbol *sym)
{
char ord_spec[16];
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assert (specfile);
assert (sym && sym->symbol);
if (sym->ordinal >= 0)
snprintf(ord_spec, 8, "%d", sym->ordinal);
else
{
ord_spec[0] = '@';
ord_spec[1] = '\0';
}
if (sym->flags & SYM_THISCALL)
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strcat (ord_spec, " -i386"); /* For binary compatibility only */
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if (!globals.do_code || !sym->function_name)
{
if (sym->flags & SYM_DATA)
{
if (globals.forward_dll)
fprintf (specfile, "%s forward %s %s.%s #", ord_spec, sym->symbol,
globals.forward_dll, sym->symbol);
fprintf (specfile, "%s extern %s %s\n", ord_spec, sym->symbol,
sym->arg_name[0]);
return;
}
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if (globals.forward_dll)
fprintf (specfile, "%s forward %s %s.%s\n", ord_spec, sym->symbol,
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globals.forward_dll, sym->symbol);
else
fprintf (specfile, "%s stub %s\n", ord_spec, sym->symbol);
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}
else
{
unsigned int i = sym->flags & SYM_THISCALL ? 1 : 0;
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fprintf (specfile, "%s %s %s(", ord_spec, sym->varargs ? "varargs" :
symbol_get_call_convention(sym), sym->symbol);
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for (; i < sym->argc; i++)
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fprintf (specfile, " %s", symbol_get_spec_type(sym, i));
if (sym->argc)
fputc (' ', specfile);
fputs (") ", specfile);
if (sym->flags & SYM_THISCALL)
fputs ("__thiscall_", specfile);
fprintf (specfile, "%s_%s", OUTPUT_UC_DLL_NAME, sym->function_name);
fputc ('\n',specfile);
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}
}
/*******************************************************************
* output_spec_postamble
*
* Write the last part of the .spec file
*/
static void output_spec_postamble (void)
{
if (specfile)
fclose (specfile);
specfile = NULL;
}
/*******************************************************************
* output_header_preamble
*
* Write the first part of the .h file
*/
void output_header_preamble (void)
{
if (!globals.do_code)
return;
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hfile = open_file (OUTPUT_DLL_NAME, "_dll.h", "w");
atexit (output_header_postamble);
fprintf (hfile,
"/*\n * %s.dll\n *\n * Generated from %s.dll by winedump.\n *\n"
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" * DO NOT SEND GENERATED DLLS FOR INCLUSION INTO WINE !\n *\n */"
"\n#ifndef __WINE_%s_DLL_H\n#define __WINE_%s_DLL_H\n\n"
"#include \"windef.h\"\n#include \"wine/debug.h\"\n"
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"#include \"winbase.h\"\n#include \"winnt.h\"\n\n\n",
OUTPUT_DLL_NAME, OUTPUT_DLL_NAME, OUTPUT_UC_DLL_NAME,
OUTPUT_UC_DLL_NAME);
}
/*******************************************************************
* output_header_symbol
*
* Write a symbol to the .h file
*/
void output_header_symbol (const parsed_symbol *sym)
{
if (!globals.do_code)
return;
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assert (hfile);
assert (sym && sym->symbol);
if (!globals.do_code)
return;
if (sym->flags & SYM_DATA)
return;
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if (!sym->function_name)
fprintf (hfile, "/* __%s %s_%s(); */\n", symbol_get_call_convention(sym),
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OUTPUT_UC_DLL_NAME, sym->symbol);
else
{
output_prototype (hfile, sym);
fputs (";\n", hfile);
}
}
/*******************************************************************
* output_header_postamble
*
* Write the last part of the .h file
*/
static void output_header_postamble (void)
{
if (hfile)
{
fprintf (hfile, "\n\n\n#endif\t/* __WINE_%s_DLL_H */\n",
OUTPUT_UC_DLL_NAME);
fclose (hfile);
hfile = NULL;
}
}
/*******************************************************************
* output_c_preamble
*
* Write the first part of the .c file
*/
void output_c_preamble (void)
{
cfile = open_file (OUTPUT_DLL_NAME, "_main.c", "w");
atexit (output_c_postamble);
fprintf (cfile,
"/*\n * %s.dll\n *\n * Generated from %s by winedump.\n *\n"
" * DO NOT SUBMIT GENERATED DLLS FOR INCLUSION INTO WINE!\n *\n */"
"\n\n#include \"config.h\"\n\n#include <stdarg.h>\n\n"
"#include \"windef.h\"\n#include \"winbase.h\"\n",
OUTPUT_DLL_NAME, globals.input_name);
if (globals.do_code)
fprintf (cfile, "#include \"%s_dll.h\"\n", OUTPUT_DLL_NAME);
fprintf (cfile,"#include \"wine/debug.h\"\n\nWINE_DEFAULT_DEBUG_CHANNEL(%s);\n\n",
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OUTPUT_DLL_NAME);
if (globals.forward_dll)
{
if (VERBOSE)
puts ("Creating a forwarding DLL");
fputs ("\nHMODULE hDLL=0; /* DLL to call */\n\n", cfile);
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}
fprintf (cfile,
"BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID "
"reserved)\n{\n"
" TRACE(\"(%%p, %%u, %%p)\\n\", instance, reason, reserved);\n\n"
" switch (reason)\n"
" {\n"
" case DLL_WINE_PREATTACH:\n"
" return FALSE; /* prefer native version */\n"
" case DLL_PROCESS_ATTACH:\n");
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if (globals.forward_dll)
fprintf (cfile,
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" hDLL = LoadLibraryA(\"%s\");\n"
" TRACE(\"Forwarding DLL (%s) loaded (%%p)\\n\", hDLL);\n",
globals.forward_dll, globals.forward_dll);
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else
fprintf (cfile,
" DisableThreadLibraryCalls(instance);\n");
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fprintf (cfile,
" break;\n");
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if (globals.forward_dll)
fprintf (cfile,
" case DLL_PROCESS_DETACH:\n"
" FreeLibrary(hDLL);\n"
" TRACE(\"Forwarding DLL (%s) freed\\n\");\n"
" break;\n",
globals.forward_dll);
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fprintf (cfile,
" }\n\n"
" return TRUE;\n}\n");
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}
/*******************************************************************
* output_c_symbol
*
* Write a symbol to the .c file
*/
void output_c_symbol (const parsed_symbol *sym)
{
unsigned int i, start = sym->flags & SYM_THISCALL ? 1 : 0;
BOOL is_void;
static BOOL has_thiscall = FALSE;
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assert (cfile);
assert (sym && sym->symbol);
if (!globals.do_code)
return;
if (sym->flags & SYM_DATA)
{
fprintf (cfile, "/* FIXME: Move to top of file */\n%s;\n\n",
sym->arg_text[0]);
return;
}
if (sym->flags & SYM_THISCALL && !has_thiscall)
{
fputs ("#ifdef __i386__ /* thiscall functions are i386-specific */\n\n"
"#define THISCALL(func) __thiscall_ ## func\n"
"#define THISCALL_NAME(func) __ASM_NAME(\"__thiscall_\" #func)\n"
"#define DEFINE_THISCALL_WRAPPER(func) \\\n"
"\textern void THISCALL(func)(); \\\n"
"\t__ASM_GLOBAL_FUNC(__thiscall_ ## func, \\\n"
"\t\t\t\"popl %eax\\n\\t\" \\\n"
"\t\t\t\"pushl %ecx\\n\\t\" \\\n"
"\t\t\t\"pushl %eax\\n\\t\" \\\n"
"\t\t\t\"jmp \" __ASM_NAME(#func) )\n"
"#else /* __i386__ */\n\n"
"#define THISCALL(func) func\n"
"#define THISCALL_NAME(func) __ASM_NAME(#func)\n"
"#define DEFINE_THISCALL_WRAPPER(func) /* nothing */\n\n"
"#endif /* __i386__ */\n\n", cfile);
has_thiscall = TRUE;
}
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output_c_banner(sym);
if (sym->flags & SYM_THISCALL)
fprintf(cfile, "DEFINE_THISCALL_WRAPPER(%s)\n", sym->function_name);
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if (!sym->function_name)
{
/* #ifdef'd dummy */
fprintf (cfile, "#if 0\n__%s %s_%s()\n{\n\t/* %s in .spec */\n}\n#endif\n",
symbol_get_call_convention(sym), OUTPUT_UC_DLL_NAME, sym->symbol,
globals.forward_dll ? "@forward" : "@stub");
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return;
}
is_void = !strcasecmp (sym->return_text, "void");
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output_prototype (cfile, sym);
fputs ("\n{\n", cfile);
if (!globals.do_trace)
{
fputs ("\tFIXME(\":stub\\n\");\n", cfile);
if (!is_void)
fprintf (cfile, "\treturn (%s) 0;\n", sym->return_text);
fputs ("}\n", cfile);
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return;
}
/* Tracing, maybe forwarding as well */
if (globals.forward_dll)
{
/* Write variables for calling */
if (sym->varargs)
fputs("\tva_list valist;\n", cfile);
fprintf (cfile, "\t%s (__%s *pFunc)(", sym->return_text,
symbol_get_call_convention(sym));
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for (i = start; i < sym->argc; i++)
fprintf (cfile, "%s%s", i > start ? ", " : "", sym->arg_text [i]);
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fprintf (cfile, "%s);\n", sym->varargs ? ",..." : sym->argc == 1 &&
sym->flags & SYM_THISCALL ? "" : sym->argc ? "" : "void");
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if (!is_void)
fprintf (cfile, "\t%s retVal;\n", sym->return_text);
fprintf (cfile, "\tpFunc=(void*)GetProcAddress(hDLL,\"%s\");\n",
sym->symbol);
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}
/* TRACE input arguments */
fprintf (cfile, "\tTRACE(\"(%s", !sym->argc ? "void" : "");
for (i = 0; i < sym->argc; i++)
fprintf (cfile, "%s(%s)%s", i ? "," : "", sym->arg_text [i],
get_format_str (sym->arg_type [i]));
fprintf (cfile, "%s): %s\\n\"", sym->varargs ? ",..." : "",
globals.forward_dll ? "forward" : "stub");
for (i = 0; i < sym->argc; i++)
if (sym->arg_type[i] != ARG_STRUCT)
fprintf(cfile, ",%s%s%s%s", sym->arg_type[i] == ARG_LONG ? "(LONG)" : "",
sym->arg_type[i] == ARG_WIDE_STRING ? "debugstr_w(" : "",
sym->arg_name[i],
sym->arg_type[i] == ARG_WIDE_STRING ? ")" : "");
fputs (");\n", cfile);
if (!globals.forward_dll)
{
if (!is_void)
fprintf (cfile, "\treturn (%s) 0;\n", sym->return_text);
fputs ("}\n", cfile);
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return;
}
/* Call the DLL */
if (sym->varargs)
fprintf (cfile, "\tva_start(valist,%s);\n", sym->arg_name[sym->argc-1]);
fprintf (cfile, "\t%spFunc(", !is_void ? "retVal = " : "");
for (i = 0; i < sym->argc; i++)
fprintf (cfile, "%s%s", i ? "," : "", sym->arg_name [i]);
fputs (sym->varargs ? ",valist);\n\tva_end(valist);" : ");", cfile);
/* TRACE return value */
fprintf (cfile, "\n\tTRACE(\"Returned (%s)\\n\"",
get_format_str (sym->return_type));
if (!is_void)
{
if (sym->return_type == ARG_WIDE_STRING)
fputs (",debugstr_w(retVal)", cfile);
else
fprintf (cfile, ",%s%s", sym->return_type == ARG_LONG ? "(LONG)" : "",
sym->return_type == ARG_STRUCT ? "" : "retVal");
fputs (");\n\treturn retVal;\n", cfile);
}
else
fputs (");\n", cfile);
fputs ("}\n", cfile);
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}
/*******************************************************************
* output_c_postamble
*
* Write the last part of the .c file
*/
static void output_c_postamble (void)
{
if (cfile)
fclose (cfile);
cfile = NULL;
}
/*******************************************************************
* output_makefile
*
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* Write a Wine compatible makefile.in
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*/
void output_makefile (void)
{
FILE *makefile = open_file ("Makefile", ".in", "w");
if (VERBOSE)
puts ("Creating makefile");
fprintf (makefile,
"# Generated from %s by winedump.\n"
"MODULE = %s.dll\n", globals.input_name, OUTPUT_DLL_NAME);
if (globals.forward_dll)
fprintf (makefile, "IMPORTS = %s", globals.forward_dll);
fprintf (makefile, "\n\nC_SRCS = \\\n\t%s_main.c\n", OUTPUT_DLL_NAME);
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if (globals.forward_dll)
fprintf (specfile,"#import %s.dll\n", globals.forward_dll);
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fclose (makefile);
}
/*******************************************************************
* output_prototype
*
* Write a C prototype for a parsed symbol
*/
void output_prototype (FILE *file, const parsed_symbol *sym)
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{
unsigned int i, start = sym->flags & SYM_THISCALL ? 1 : 0;
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fprintf (file, "%s __%s %s_%s(", sym->return_text, symbol_get_call_convention(sym),
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OUTPUT_UC_DLL_NAME, sym->function_name);
if (!sym->argc || (sym->argc == 1 && sym->flags & SYM_THISCALL))
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fputs ("void", file);
else
for (i = start; i < sym->argc; i++)
fprintf (file, "%s%s %s", i > start ? ", " : "", sym->arg_text [i],
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sym->arg_name [i]);
if (sym->varargs)
fputs (", ...", file);
fputc (')', file);
}
/*******************************************************************
* output_c_banner
*
* Write a function banner to the .c file
*/
void output_c_banner (const parsed_symbol *sym)
{
char ord_spec[16];
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size_t i;
if (sym->ordinal >= 0)
snprintf(ord_spec, sizeof (ord_spec), "%d", sym->ordinal);
else
{
ord_spec[0] = '@';
ord_spec[1] = '\0';
}
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fprintf (cfile, "/*********************************************************"
"*********\n *\t\t%s (%s.%s)\n *\n", sym->symbol,
OUTPUT_UC_DLL_NAME, ord_spec);
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if (globals.do_documentation && sym->function_name)
{
fputs (" *\n * PARAMS\n *\n", cfile);
if (!sym->argc)
fputs (" * None.\n *\n", cfile);
else
{
for (i = 0; i < sym->argc; i++)
fprintf (cfile, " * %s [%s]%s\n", sym->arg_name [i],
get_in_or_out(sym, i),
strcmp (sym->arg_name [i], "_this") ? "" :
" Pointer to the class object (in ECX)");
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if (sym->varargs)
fputs (" * ...[I]\n", cfile);
fputs (" *\n", cfile);
}
fputs (" * RETURNS\n *\n", cfile);
if (sym->return_text && !strcmp (sym->return_text, "void"))
fputs (" * Nothing.\n", cfile);
else
fprintf (cfile, " * %s\n", sym->return_text);
}
fputs (" *\n */\n", cfile);
}
/*******************************************************************
* get_format_str
*
* Get a string containing the correct format string for a type
*/
static const char *get_format_str (int type)
{
switch (type)
{
case ARG_VOID: return "void";
case ARG_FLOAT: return "%f";
case ARG_DOUBLE: return "%g";
case ARG_POINTER: return "%p";
case ARG_WIDE_STRING:
case ARG_STRING: return "%s";
case ARG_LONG: return "%ld";
case ARG_STRUCT: return "struct";
}
assert (0);
return "";
}
/*******************************************************************
* get_in_or_out
*
* Determine if a parameter is In or In/Out
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*/
static const char *get_in_or_out (const parsed_symbol *sym, size_t arg)
{
assert (sym && arg < sym->argc);
assert (globals.do_documentation);
if (sym->arg_flag [arg] & CT_CONST)
return "In";
switch (sym->arg_type [arg])
{
case ARG_FLOAT:
case ARG_DOUBLE:
case ARG_LONG:
case ARG_STRUCT: return "In";
case ARG_POINTER:
case ARG_WIDE_STRING:
case ARG_STRING: return "In/Out";
}
assert (0);
return "";
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}