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https://github.com/reactos/wine.git
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573 lines
18 KiB
C
573 lines
18 KiB
C
/*
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* Win32 builtin functions
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*
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* Copyright 1997 Alexandre Julliard
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*/
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "builtin32.h"
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#include "peexe.h"
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#include "neexe.h"
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#include "heap.h"
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#include "main.h"
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#include "snoop.h"
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#include "winerror.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(module);
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DECLARE_DEBUG_CHANNEL(relay);
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typedef struct
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{
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BYTE call; /* 0xe8 call callfrom32 (relative) */
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DWORD callfrom32 WINE_PACKED; /* RELAY_CallFrom32 relative addr */
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BYTE ret; /* 0xc2 ret $n or 0xc3 ret */
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WORD args; /* nb of args to remove from the stack */
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} DEBUG_ENTRY_POINT;
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typedef struct
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{
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const BYTE *restab;
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const DWORD nresources;
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const DWORD restabsize;
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const IMAGE_RESOURCE_DATA_ENTRY *entries;
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} BUILTIN32_RESOURCE;
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#define MAX_DLLS 60
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static const BUILTIN32_DESCRIPTOR *builtin_dlls[MAX_DLLS];
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static HMODULE dll_modules[MAX_DLLS];
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static int nb_dlls;
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extern void RELAY_CallFrom32();
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extern void RELAY_CallFrom32Regs();
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/***********************************************************************
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* BUILTIN32_WarnSecondInstance
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*
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* Emit a warning when we are creating a second instance for a DLL
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* that is known to not support this.
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*/
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static void BUILTIN32_WarnSecondInstance( const char *name )
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{
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static const char * const warning_list[] =
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{ "comctl32", "comdlg32", "crtdll", "imagehlp", "msacm32", "shell32", NULL };
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const char * const *ptr = warning_list;
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while (*ptr)
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{
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if (!strcasecmp( *ptr, name ))
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{
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ERR( "Attempt to instantiate built-in dll '%s' twice "
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"in the same address space. Expect trouble!\n", name );
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return;
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}
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ptr++;
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}
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}
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/***********************************************************************
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* BUILTIN32_DoLoadImage
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*
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* Load a built-in Win32 module. Helper function for BUILTIN32_LoadImage.
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*/
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static HMODULE BUILTIN32_DoLoadImage( const BUILTIN32_DESCRIPTOR *descr )
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{
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IMAGE_DATA_DIRECTORY *dir;
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IMAGE_DOS_HEADER *dos;
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IMAGE_NT_HEADERS *nt;
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IMAGE_SECTION_HEADER *sec;
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IMAGE_EXPORT_DIRECTORY *exp;
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IMAGE_IMPORT_DESCRIPTOR *imp;
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LPVOID *funcs;
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LPSTR *names;
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LPSTR pfwd;
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DEBUG_ENTRY_POINT *debug;
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INT i, size, nb_sections;
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BYTE *addr;
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/* Allocate the module */
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nb_sections = 2; /* exports + code */
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if (descr->nb_imports) nb_sections++;
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size = (sizeof(IMAGE_DOS_HEADER)
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+ sizeof(IMAGE_NT_HEADERS)
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+ nb_sections * sizeof(IMAGE_SECTION_HEADER)
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+ (descr->nb_imports+1) * sizeof(IMAGE_IMPORT_DESCRIPTOR)
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+ sizeof(IMAGE_EXPORT_DIRECTORY)
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+ descr->nb_funcs * sizeof(LPVOID)
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+ descr->nb_names * sizeof(LPSTR)
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+ descr->fwd_size);
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#ifdef __i386__
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if (WARN_ON(relay) || TRACE_ON(relay))
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size += descr->nb_funcs * sizeof(DEBUG_ENTRY_POINT);
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#endif
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addr = VirtualAlloc( NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE );
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if (!addr) return 0;
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dos = (IMAGE_DOS_HEADER *)addr;
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nt = (IMAGE_NT_HEADERS *)(dos + 1);
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sec = (IMAGE_SECTION_HEADER *)(nt + 1);
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imp = (IMAGE_IMPORT_DESCRIPTOR *)(sec + nb_sections);
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exp = (IMAGE_EXPORT_DIRECTORY *)(imp + descr->nb_imports + 1);
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funcs = (LPVOID *)(exp + 1);
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names = (LPSTR *)(funcs + descr->nb_funcs);
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pfwd = (LPSTR)(names + descr->nb_names);
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debug = (DEBUG_ENTRY_POINT *)(pfwd + descr->fwd_size);
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/* Build the DOS and NT headers */
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dos->e_magic = IMAGE_DOS_SIGNATURE;
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dos->e_lfanew = sizeof(*dos);
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nt->Signature = IMAGE_NT_SIGNATURE;
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nt->FileHeader.Machine = IMAGE_FILE_MACHINE_I386;
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nt->FileHeader.NumberOfSections = nb_sections;
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nt->FileHeader.SizeOfOptionalHeader = sizeof(nt->OptionalHeader);
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nt->FileHeader.Characteristics = descr->characteristics;
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nt->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
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nt->OptionalHeader.SizeOfCode = 0x1000;
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nt->OptionalHeader.SizeOfInitializedData = 0;
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nt->OptionalHeader.SizeOfUninitializedData = 0;
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nt->OptionalHeader.ImageBase = (DWORD)addr;
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nt->OptionalHeader.SectionAlignment = 0x1000;
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nt->OptionalHeader.FileAlignment = 0x1000;
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nt->OptionalHeader.MajorOperatingSystemVersion = 1;
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nt->OptionalHeader.MinorOperatingSystemVersion = 0;
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nt->OptionalHeader.MajorSubsystemVersion = 4;
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nt->OptionalHeader.MinorSubsystemVersion = 0;
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nt->OptionalHeader.SizeOfImage = size;
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nt->OptionalHeader.SizeOfHeaders = (BYTE *)exp - addr;
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nt->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
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if (descr->dllentrypoint)
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nt->OptionalHeader.AddressOfEntryPoint = (DWORD)descr->dllentrypoint - (DWORD)addr;
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/* Build the code section */
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strcpy( sec->Name, ".code" );
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sec->SizeOfRawData = 0;
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#ifdef __i386__
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if (WARN_ON(relay) || TRACE_ON(relay))
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sec->SizeOfRawData += descr->nb_funcs * sizeof(DEBUG_ENTRY_POINT);
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#endif
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sec->Misc.VirtualSize = sec->SizeOfRawData;
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sec->VirtualAddress = (BYTE *)debug - addr;
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sec->PointerToRawData = (BYTE *)debug - addr;
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sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
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IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ);
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sec++;
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/* Build the import directory */
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if (descr->nb_imports)
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{
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dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY];
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dir->VirtualAddress = (BYTE *)imp - addr;
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dir->Size = sizeof(*imp) * (descr->nb_imports + 1);
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/* Build the imports section */
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strcpy( sec->Name, ".idata" );
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sec->Misc.VirtualSize = dir->Size;
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sec->VirtualAddress = (BYTE *)imp - addr;
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sec->SizeOfRawData = dir->Size;
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sec->PointerToRawData = (BYTE *)imp - addr;
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sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
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IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ |
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IMAGE_SCN_MEM_WRITE);
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sec++;
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/* Build the imports */
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for (i = 0; i < descr->nb_imports; i++)
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{
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imp[i].u.Characteristics = 0;
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imp[i].ForwarderChain = -1;
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imp[i].Name = (BYTE *)descr->imports[i] - addr;
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/* hack: make first thunk point to some zero value */
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imp[i].FirstThunk = (PIMAGE_THUNK_DATA)((BYTE *)&imp[i].u.Characteristics - addr);
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}
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}
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/* Build the export directory */
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dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_EXPORT_DIRECTORY];
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dir->VirtualAddress = (BYTE *)exp - addr;
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dir->Size = sizeof(*exp)
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+ descr->nb_funcs * sizeof(LPVOID)
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+ descr->nb_names * sizeof(LPSTR)
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+ descr->fwd_size;
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/* Build the exports section */
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strcpy( sec->Name, ".edata" );
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sec->Misc.VirtualSize = dir->Size;
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sec->VirtualAddress = (BYTE *)exp - addr;
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sec->SizeOfRawData = dir->Size;
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sec->PointerToRawData = (BYTE *)exp - addr;
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sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
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IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ |
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IMAGE_SCN_MEM_WRITE);
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sec++;
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/* Build the resource directory */
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if(descr->rsrc)
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{
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const BUILTIN32_RESOURCE *rsrc = descr->rsrc;
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int i;
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void *rtab;
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IMAGE_RESOURCE_DATA_ENTRY *rdep;
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rtab = HeapAlloc(GetProcessHeap(), 0, rsrc->restabsize);
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if(!rtab)
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{
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ERR("Failed to get memory for resource directory\n");
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VirtualFree(addr, size, MEM_RELEASE);
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return 0;
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}
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/*
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* The resource directory has to be copied because it contains
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* RVAs. These would be invalid if the dll is instantiated twice.
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*/
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memcpy(rtab, rsrc->restab, rsrc->restabsize);
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dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_RESOURCE_DIRECTORY];
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dir->VirtualAddress = (DWORD)rtab - (DWORD)addr;
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dir->Size = rsrc->restabsize;
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rdep = (IMAGE_RESOURCE_DATA_ENTRY *)((DWORD)rtab + (DWORD)rsrc->entries - (DWORD)rsrc->restab);
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for(i = 0; i < rsrc->nresources; i++)
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{
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rdep[i].OffsetToData += (DWORD)rsrc->restab - (DWORD)addr;
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}
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}
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/* Build the exports section data */
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exp->Name = ((BYTE *)descr->name) - addr; /*??*/
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exp->Base = descr->base;
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exp->NumberOfFunctions = descr->nb_funcs;
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exp->NumberOfNames = descr->nb_names;
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exp->AddressOfFunctions = (LPDWORD *)((BYTE *)funcs - addr);
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exp->AddressOfNames = (LPDWORD *)((BYTE *)names - addr);
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exp->AddressOfNameOrdinals = (LPWORD *)((BYTE *)descr->ordinals - addr);
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/* Build the funcs table */
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for (i = 0; i < descr->nb_funcs; i++, funcs++, debug++)
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{
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BYTE args = descr->args[i];
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int j;
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if (!descr->functions[i]) continue;
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if (args == 0xfd) /* forward func */
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{
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strcpy( pfwd, (LPSTR)descr->functions[i] );
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*funcs = (LPVOID)((BYTE *)pfwd - addr);
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pfwd += strlen(pfwd) + 1;
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}
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else *funcs = (LPVOID)((BYTE *)descr->functions[i] - addr);
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#ifdef __i386__
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if (!(WARN_ON(relay) || TRACE_ON(relay))) continue;
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for (j=0;j<descr->nb_names;j++)
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if (descr->ordinals[j] == i)
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break;
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if (j<descr->nb_names) {
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if (descr->names[j]) {
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char buffer[200];
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sprintf(buffer,"%s.%d: %s",descr->name,i,descr->names[j]);
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if (!RELAY_ShowDebugmsgRelay(buffer))
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continue;
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}
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}
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switch(args)
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{
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case 0xfd: /* forward */
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case 0xff: /* stub or extern */
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break;
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default: /* normal function (stdcall or cdecl or register) */
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if (TRACE_ON(relay)) {
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debug->call = 0xe8; /* lcall relative */
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if (args & 0x40) /* register func */
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debug->callfrom32 = (DWORD)RELAY_CallFrom32Regs -
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(DWORD)&debug->ret;
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else
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debug->callfrom32 = (DWORD)RELAY_CallFrom32 -
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(DWORD)&debug->ret;
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} else {
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debug->call = 0xe9; /* ljmp relative */
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debug->callfrom32 = (DWORD)descr->functions[i] -
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(DWORD)&debug->ret;
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}
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debug->ret = (args & 0x80) ? 0xc3 : 0xc2; /*ret/ret $n*/
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debug->args = (args & 0x3f) * sizeof(int);
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*funcs = (LPVOID)((BYTE *)debug - addr);
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break;
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}
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#endif /* __i386__ */
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}
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/* Build the names table */
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for (i = 0; i < exp->NumberOfNames; i++, names++)
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if (descr->names[i])
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*names = (LPSTR)((BYTE *)descr->names[i] - addr);
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return (HMODULE)addr;
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}
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/***********************************************************************
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* BUILTIN32_LoadLibraryExA
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*
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* Partly copied from the original PE_ version.
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*
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*/
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WINE_MODREF *BUILTIN32_LoadLibraryExA(LPCSTR path, DWORD flags, DWORD *err)
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{
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HMODULE16 hModule16;
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NE_MODULE *pModule;
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WINE_MODREF *wm;
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char dllname[MAX_PATH], *p;
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int i;
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/* Fix the name in case we have a full path and extension */
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if ((p = strrchr( path, '\\' ))) path = p + 1;
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lstrcpynA( dllname, path, sizeof(dllname) );
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p = strrchr( dllname, '.' );
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if (!p) strcat( dllname, ".dll" );
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/* Search built-in descriptor */
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for (i = 0; i < nb_dlls; i++)
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if (!lstrcmpiA( builtin_dlls[i]->filename, dllname )) break;
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if (i == nb_dlls)
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{
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*err = ERROR_FILE_NOT_FOUND;
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return NULL;
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}
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/* Load built-in module */
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if (!dll_modules[i])
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{
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if (!(dll_modules[i] = BUILTIN32_DoLoadImage( builtin_dlls[i] )))
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{
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*err = ERROR_FILE_NOT_FOUND;
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return NULL;
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}
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}
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else BUILTIN32_WarnSecondInstance( builtin_dlls[i]->name );
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/* Create 16-bit dummy module */
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if ((hModule16 = MODULE_CreateDummyModule( dllname, 0 )) < 32)
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{
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*err = (DWORD)hModule16;
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return NULL; /* FIXME: Should unload the builtin module */
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}
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pModule = (NE_MODULE *)GlobalLock16( hModule16 );
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pModule->flags = NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32 | NE_FFLAGS_BUILTIN;
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pModule->module32 = dll_modules[i];
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/* Create 32-bit MODREF */
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if ( !(wm = PE_CreateModule( pModule->module32, dllname, flags, TRUE )) )
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{
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ERR( "can't load %s\n", path );
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FreeLibrary16( hModule16 ); /* FIXME: Should unload the builtin module */
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*err = ERROR_OUTOFMEMORY;
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return NULL;
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}
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if (wm->binfmt.pe.pe_export)
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SNOOP_RegisterDLL(wm->module,wm->modname,wm->binfmt.pe.pe_export->NumberOfFunctions);
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*err = 0;
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return wm;
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}
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/***********************************************************************
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* BUILTIN32_LoadExeModule
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*/
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HMODULE16 BUILTIN32_LoadExeModule( void )
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{
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HMODULE16 hModule16;
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NE_MODULE *pModule;
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int i, exe = -1;
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/* Search built-in EXE descriptor */
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for ( i = 0; i < nb_dlls; i++ )
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if ( !(builtin_dlls[i]->characteristics & IMAGE_FILE_DLL) )
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{
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if ( exe != -1 )
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{
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MESSAGE( "More than one built-in EXE module loaded!\n" );
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break;
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}
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exe = i;
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}
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if ( exe == -1 )
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{
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MESSAGE( "No built-in EXE module loaded! Did you create a .spec file?\n" );
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return 0;
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}
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/* Load built-in module */
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if ( !dll_modules[exe] )
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if ( !(dll_modules[exe] = BUILTIN32_DoLoadImage( builtin_dlls[exe] )) )
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return 0;
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/* Create 16-bit dummy module */
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hModule16 = MODULE_CreateDummyModule( builtin_dlls[exe]->filename, 0 );
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if ( hModule16 < 32 ) return 0;
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pModule = (NE_MODULE *)GlobalLock16( hModule16 );
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pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32 | NE_FFLAGS_BUILTIN;
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pModule->module32 = dll_modules[exe];
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return hModule16;
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}
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/***********************************************************************
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* BUILTIN32_UnloadLibrary
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*
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* Unload the built-in library and free the modref.
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*/
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void BUILTIN32_UnloadLibrary(WINE_MODREF *wm)
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{
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/* FIXME: do something here */
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}
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/***********************************************************************
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* BUILTIN32_GetEntryPoint
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*
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* Return the name of the DLL entry point corresponding
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* to a relay entry point address. This is used only by relay debugging.
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*
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* This function _must_ return the real entry point to call
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* after the debug info is printed.
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*/
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ENTRYPOINT32 BUILTIN32_GetEntryPoint( char *buffer, void *relay,
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unsigned int *typemask )
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{
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const BUILTIN32_DESCRIPTOR *descr = NULL;
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int ordinal = 0, i;
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/* First find the module */
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for (i = 0; i < nb_dlls; i++)
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if (dll_modules[i])
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{
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IMAGE_SECTION_HEADER *sec = PE_SECTIONS(dll_modules[i]);
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DEBUG_ENTRY_POINT *debug =
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(DEBUG_ENTRY_POINT *)((DWORD)dll_modules[i] + sec[0].VirtualAddress);
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DEBUG_ENTRY_POINT *func = (DEBUG_ENTRY_POINT *)relay;
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descr = builtin_dlls[i];
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if (debug <= func && func < debug + descr->nb_funcs)
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{
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ordinal = func - debug;
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break;
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}
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}
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if (!descr) return NULL;
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/* Now find the function */
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for (i = 0; i < descr->nb_names; i++)
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if (descr->ordinals[i] == ordinal) break;
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|
|
sprintf( buffer, "%s.%d: %s", descr->name, ordinal + descr->base,
|
|
(i < descr->nb_names) ? descr->names[i] : "@" );
|
|
*typemask = descr->argtypes[ordinal];
|
|
return descr->functions[ordinal];
|
|
}
|
|
|
|
/***********************************************************************
|
|
* BUILTIN32_SwitchRelayDebug
|
|
*
|
|
* FIXME: enhance to do it module relative.
|
|
*/
|
|
void BUILTIN32_SwitchRelayDebug(BOOL onoff)
|
|
{
|
|
const BUILTIN32_DESCRIPTOR *descr;
|
|
IMAGE_SECTION_HEADER *sec;
|
|
DEBUG_ENTRY_POINT *debug;
|
|
int i, j;
|
|
|
|
#ifdef __i386__
|
|
if (!(TRACE_ON(relay) || WARN_ON(relay)))
|
|
return;
|
|
for (j = 0; j < nb_dlls; j++)
|
|
{
|
|
if (!dll_modules[j]) continue;
|
|
sec = PE_SECTIONS(dll_modules[j]);
|
|
debug = (DEBUG_ENTRY_POINT *)((DWORD)dll_modules[j] + sec[1].VirtualAddress);
|
|
descr = builtin_dlls[j];
|
|
for (i = 0; i < descr->nb_funcs; i++,debug++) {
|
|
if (!descr->functions[i]) continue;
|
|
if ((descr->args[i]==0xff) || (descr->args[i]==0xfe))
|
|
continue;
|
|
if (onoff) {
|
|
debug->call = 0xe8; /* lcall relative */
|
|
debug->callfrom32 = (DWORD)RELAY_CallFrom32 -
|
|
(DWORD)&debug->ret;
|
|
} else {
|
|
debug->call = 0xe9; /* ljmp relative */
|
|
debug->callfrom32 = (DWORD)descr->functions[i] -
|
|
(DWORD)&debug->ret;
|
|
}
|
|
}
|
|
}
|
|
#endif /* __i386__ */
|
|
return;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* BUILTIN32_RegisterDLL
|
|
*
|
|
* Register a built-in DLL descriptor.
|
|
*/
|
|
void BUILTIN32_RegisterDLL( const BUILTIN32_DESCRIPTOR *descr )
|
|
{
|
|
assert( nb_dlls < MAX_DLLS );
|
|
builtin_dlls[nb_dlls++] = descr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* BUILTIN32_Unimplemented
|
|
*
|
|
* This function is called for unimplemented 32-bit entry points (declared
|
|
* as 'stub' in the spec file).
|
|
*/
|
|
void BUILTIN32_Unimplemented( const BUILTIN32_DESCRIPTOR *descr, int ordinal )
|
|
{
|
|
const char *func_name = "???";
|
|
int i;
|
|
|
|
__RESTORE_ES; /* Just in case */
|
|
|
|
for (i = 0; i < descr->nb_names; i++)
|
|
if (descr->ordinals[i] + descr->base == ordinal) break;
|
|
if (i < descr->nb_names) func_name = descr->names[i];
|
|
|
|
MESSAGE( "No handler for Win32 routine %s.%d: %s",
|
|
descr->name, ordinal, func_name );
|
|
#ifdef __GNUC__
|
|
MESSAGE( " (called from %p)", __builtin_return_address(1) );
|
|
#endif
|
|
MESSAGE( "\n" );
|
|
ExitProcess(1);
|
|
}
|