[tkreuzer] 28060: fix nci tool to only generate one stub file for our win32ksys lib to silence the warning. Fix some comments.
Author: tkreuzer Date: Wed Aug 1 03:00:31 2007 New Revision: 28060
URL: http://svn.reactos.org/svn/reactos?rev=28060&view=rev Log: fix nci tool to only generate one stub file for our win32ksys lib to silence the warning. Fix some comments.
Modified: trunk/reactos/tools/nci/nci.mak trunk/reactos/tools/nci/ncitool.c
Modified: trunk/reactos/tools/nci/nci.mak URL: http://svn.reactos.org/svn/reactos/trunk/reactos/tools/nci/nci.mak?rev=28060... ============================================================================== --- trunk/reactos/tools/nci/nci.mak (original) +++ trunk/reactos/tools/nci/nci.mak Wed Aug 1 03:00:31 2007 @@ -44,8 +44,7 @@ # WIN32K.SYS WIN32K_SVC_DB = subsystems$(SEP)win32$(SEP)win32k$(SEP)w32ksvc.db WIN32K_SERVICE_TABLE = subsystems$(SEP)win32$(SEP)win32k$(SEP)include$(SEP)napi.h -WIN32K_GDI_STUBS = lib$(SEP)win32ksys$(SEP)$(ARCH)$(SEP)win32k.S -WIN32K_USER_STUBS = lib$(SEP)win32ksys$(SEP)$(ARCH)$(SEP)win32k.S +WIN32K_STUBS = lib$(SEP)win32ksys$(SEP)$(ARCH)$(SEP)win32k.S
@@ -78,8 +77,7 @@ $(WIN32K_SERVICE_TABLE) \ $(NTDLL_STUBS) \ $(KERNEL_STUBS) \ - $(WIN32K_GDI_STUBS) \ - $(WIN32K_USER_STUBS) + $(WIN32K_STUBS)
.PHONY: nci_service_files_clean nci_service_files_clean:
Modified: trunk/reactos/tools/nci/ncitool.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/tools/nci/ncitool.c?rev=280... ============================================================================== --- trunk/reactos/tools/nci/ncitool.c (original) +++ trunk/reactos/tools/nci/ncitool.c Wed Aug 1 03:00:31 2007 @@ -1,631 +1,625 @@ -/* - * FILE: tools/nci/ncitool.c - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: Native Call Interface Support Tool - * PURPOSE: Generates NCI Tables and Stubs. - * PROGRAMMER; Alex Ionescu (alex@relsoft.net) - * CHANGE HISTORY: 14/01/05 - Created. Based on original code by - * KJK::Hyperion and Emanuelle Aliberti. - * - */ - -/* INCLUDE ******************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#ifndef __FreeBSD__ -# include <malloc.h> -#endif // __FreeBSD__ - -/* DEFINES ****************************************************************/ - -#define INPUT_BUFFER_SIZE 255 -#define Arguments 8 - -/******* Table Indexes ************/ -#define MAIN_INDEX 0x0 -#define WIN32K_INDEX 0x1000 - -/******* Argument List ************/ -/* First, define the Databases */ -#define NativeSystemDb 0 -#define NativeGuiDb 1 - -/* Now the Service Tables */ -#define NtosServiceTable 2 -#define Win32kServiceTable 3 - -/* And finally, the stub files. */ -#define NtosUserStubs 4 -#define NtosKernelStubs 5 -#define Win32kGdiStubs 6 -#define Win32kUserStubs 7 - -/********** Stub Code ************/ - -/* - * This stubs calls into KUSER_SHARED_DATA where either a - * sysenter or interrupt is performed, depending on CPU support. - */ -#if defined(__GNUC__) -#define UserModeStub_x86 " movl $0x%x, %%eax\n" \ - " movl $KUSER_SHARED_SYSCALL, %%ecx\n" \ - " call *(%%ecx)\n" \ - " ret $0x%x\n\n" - -#define UserModeStub_ppc " mflr 0\n" \ - " addi 1,1,-16\n" \ - " li 0,%x\n" \ - " stw 0,1(0)\n" \ - " sc\n" \ - " lwz 0,1(0)\n" \ - " mtlr 0\n" \ - " addi 1,1,16\n" \ - " blr\n" -#elif defined(_MSC_VER) -#define UserModeStub_x86 " asm { \n" \ - " mov eax, %xh\n" \ - " mov ecx, KUSER_SHARED_SYSCALL\n" \ - " call [ecx]\n" \ - " ret %xh\n" \ - " }\n" -#else -#error Unknown compiler for inline assembler -#endif - -/* - * This stub calls KiSystemService directly with a fake INT2E stack. - * Because EIP is pushed during the call, the handler will return here. - */ -#if defined(__GNUC__) -#define KernelModeStub_x86 " movl $0x%x, %%eax\n" \ - " leal 4(%%esp), %%edx\n" \ - " pushfl\n" \ - " pushl $KGDT_R0_CODE\n" \ - " call _KiSystemService\n" \ - " ret $0x%x\n\n" - -#define KernelModeStub_ppc " bl KiSystemService\n" \ - " rfi\n" -#elif defined(_MSC_VER) -#define KernelModeStub_x86 " asm { \n" \ - " mov eax, %xh\n" \ - " lea edx, [esp+4]\n" \ - " pushf\n" \ - " push KGDT_R0_CODE\n" \ - " call _KiSystemService\n" \ - " ret %xh\n" \ - " }\n" -#else -#error Unknown compiler for inline assembler -#endif - -/***** Arch Dependent Stuff ******/ -struct ncitool_data_t { - const char *arch; - int args_to_bytes; - const char *km_stub; - const char *um_stub; - const char *global_header; - const char *declaration; -}; - -struct ncitool_data_t ncitool_data[] = { - { "i386", 4, KernelModeStub_x86, UserModeStub_x86, - ".global _%s@%d\n", "_%s@%d:\n" }, - { "powerpc", 4, KernelModeStub_ppc, UserModeStub_ppc, - "\t.globl %s\n", "%s:\n" }, - { 0, } -}; -int arch_sel = 0; -#define ARGS_TO_BYTES(x) (x)*(ncitool_data[arch_sel].args_to_bytes) -#define UserModeStub ncitool_data[arch_sel].um_stub -#define KernelModeStub ncitool_data[arch_sel].km_stub -#define GlobalHeader ncitool_data[arch_sel].global_header -#define Declaration ncitool_data[arch_sel].declaration - -/* FUNCTIONS ****************************************************************/ - -/*++ - * WriteFileHeader - * - * Prints out the File Header for a Stub File. - * - * Params: - * StubFile - Stub File to which to write the header. - * - * FileDescription - Description of the Stub file to which to write the header. - * - * FileLocation - Name of the Stub file to which to write the header. - * - * Returns: - * None. - * - * Remarks: - * FileLocation is only used for printing the header. - * - *--*/ -void -WriteFileHeader(FILE * StubFile, - char* FileDescription, - char* FileLocation) -{ - /* This prints out the file header */ - fprintf(StubFile, - "/* FILE: %s\n" - " * COPYRIGHT: See COPYING in the top level directory\n" - " * PURPOSE: %s\n" - " * PROGRAMMER: Computer Generated File. See tools/nci/ncitool.c\n" - " * REMARK: DO NOT EDIT OR COMMIT MODIFICATIONS TO THIS FILE\n" - " */\n\n\n" - "#include <ndk/asm.h>\n\n", - FileDescription, - FileLocation); -} - -/*++ - * WriteFileHeader - * - * Prints out the File Header for a Stub File. - * - * Params: - * StubFile - Stub File to which to write the header. - * - * FileDescription - Description of the Stub file to which to write the header. - * - * FileLocation - Name of the Stub file to which to write the header. - * - * Returns: - * None. - * - * Remarks: - * FileLocation is only used for printing the header. - * - *--*/ -void -WriteStubHeader(FILE* StubFile, - char* SyscallName, - unsigned StackBytes) -{ - /* Export the function */ - fprintf(StubFile, GlobalHeader, SyscallName, StackBytes); - - /* Define it */ - fprintf(StubFile, Declaration, SyscallName, StackBytes); -} - - -/*++ - * WriteKernelModeStub - * - * Prints out the Kernel Mode Stub for a System Call. - * - * Params: - * StubFile - Stub File to which to write the header. - * - * SyscallName - Name of System Call for which to add the stub. - * - * StackBytes - Number of bytes on the stack to return after doing the system call. - * - * SyscallId - Service Descriptor Table ID for this System Call. - * - * Returns: - * None. - * - * Remarks: - * On i386, StackBytes is the number of arguments x 4. - * - *--*/ -void -WriteKernelModeStub(FILE* StubFile, - char* SyscallName, - unsigned StackBytes, - unsigned int SyscallId) -{ - /* Write the Stub Header and export the Function */ - WriteStubHeader(StubFile, SyscallName, StackBytes); - - /* Write the Stub Code */ - fprintf(StubFile, KernelModeStub, SyscallId, StackBytes); -} - -/*++ - * WriteUserModeStub - * - * Prints out the User Mode Stub for a System Call. - * - * Params: - * StubFile - Stub File to which to write the header. - * - * SyscallName - Name of System Call for which to add the stub. - * - * StackBytes - Number of bytes on the stack to return after doing the system call. - * - * SyscallId - Service Descriptor Table ID for this System Call. - * - * Returns: - * None. - * - * Remarks: - * On i386, StackBytes is the number of arguments x 4. - * - *--*/ -void -WriteUserModeStub(FILE* StubFile, - char* SyscallName, - unsigned StackBytes, - unsigned int SyscallId) -{ - /* Write the Stub Header and export the Function */ - WriteStubHeader(StubFile, SyscallName, StackBytes); - - /* Write the Stub Code */ - fprintf(StubFile, UserModeStub, SyscallId, StackBytes); -} - -/*++ - * GetNameAndArgumentsFromDb - * - * Parses an entry from a System Call Database, extracting - * the function's name and arguments that it takes. - * - * Params: - * Line - Entry from the Database to parse. - * - * NtSyscallName - Output string to which to save the Function Name - * - * SyscallArguments - Output string to which to save the number of - * arguments that the function takes. - * - * Returns: - * None. - * - * Remarks: - * On i386, StackBytes is the number of arguments x 4. - * - *--*/ -void -GetNameAndArgumentsFromDb(char Line[], - char ** NtSyscallName, - char ** SyscallArguments) -{ - char *s; - char *stmp; - - /* Remove new line */ - if ((s = (char *) strchr(Line,'\r')) != NULL) { - *s = '\0'; - } - - /* Skip comments (#) and empty lines */ - s = &Line[0]; - if ((*s) != '#' && (*s) != '\0') { - - /* Extract the NtXXX name */ - *NtSyscallName = (char *)strtok(s," \t"); - - /* Extract the argument count */ - *SyscallArguments = (char *)strtok(NULL," \t"); - - /* Remove, if present, the trailing LF */ - if ((stmp = strchr(*SyscallArguments, '\n')) != NULL) { - *stmp = '\0'; - } - - } else { - - /* Skip this entry */ - *NtSyscallName = NULL; - *SyscallArguments = NULL; - } -} - -/*++ - * CreateStubs - * - * Parses a System Call Database and creates stubs for all the entries. - * - * Params: - * SyscallDb - System Call Database to parse. - * - * UserModeFiles - Array of Usermode Stub Files to which to write the stubs. - * - * KernelModeFile - Kernelmode Stub Files to which to write the stubs. - * - * Index - Name of System Call for which to add the stub. - * - * UserFiles - Number of bytes on the stack to return after doing the system call. - * - * NeedsZw - Service Descriptor Table ID for this System Call. - * - * Returns: - * None. - * - * Remarks: - * None. - * - *--*/ -void -CreateStubs(FILE * SyscallDb, - FILE * UserModeFiles[], - FILE * KernelModeFile, - unsigned Index, - unsigned UserFiles, - unsigned NeedsZw) -{ - char Line[INPUT_BUFFER_SIZE]; - char *NtSyscallName; - char *SyscallArguments; - int SyscallId; - unsigned StackBytes; - - /* We loop, incrementing the System Call Index, until the end of the file */ - for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line), SyscallDb) != NULL));) { - - /* Extract the Name and Arguments */ - GetNameAndArgumentsFromDb(Line, &NtSyscallName, &SyscallArguments); - if (SyscallArguments != NULL) - StackBytes = ARGS_TO_BYTES(strtoul(SyscallArguments, NULL, 0)); - else - StackBytes = 0; - - /* Make sure we really extracted something */ - if (NtSyscallName) { - - /* Create Usermode Stubs for Nt/Zw syscalls in each Usermode file */ - int i; - for (i= 0; i < UserFiles; i++) { - - /* Write the Nt Version */ - WriteUserModeStub(UserModeFiles[i], - NtSyscallName, - StackBytes, - SyscallId | Index); - - /* If a Zw Version is needed (was specified), write it too */ - if (NeedsZw) { - - NtSyscallName[0] = 'Z'; - NtSyscallName[1] = 'w'; - WriteUserModeStub(UserModeFiles[i], - NtSyscallName, - StackBytes, - SyscallId | Index); - } - - } - - /* Create the Kernel coutnerparts (only Zw*, Nt* are the real functions!) */ - if (KernelModeFile) { - - NtSyscallName[0] = 'Z'; - NtSyscallName[1] = 'w'; - WriteKernelModeStub(KernelModeFile, - NtSyscallName, - StackBytes, - SyscallId | Index); - } - - /* Only increase if we actually added something */ - SyscallId++; - } - } -} - -/*++ - * CreateSystemServiceTable - * - * Parses a System Call Database and creates a System Call Service Table for it. - * - * Params: - * SyscallDb - System Call Database to parse. - * - * SyscallTable - File in where to create System Call Service Table. - * - * Name - Name of the Service Table. - * - * FileLocation - Filename containing the Table. - * - * Returns: - * None. - * - * Remarks: - * FileLocation is only used for the header generation. - * - *--*/ -void -CreateSystemServiceTable(FILE *SyscallDb, - FILE *SyscallTable, - char * Name, - char * FileLocation) -{ - char Line[INPUT_BUFFER_SIZE]; - char *NtSyscallName; - char *SyscallArguments; - int SyscallId; - - /* Print the Header */ - WriteFileHeader(SyscallTable, "System Call Table for Native API", FileLocation); - - /* First we build the SSDT */ - fprintf(SyscallTable,"\n\n\n"); - fprintf(SyscallTable,"ULONG_PTR %sSSDT[] = {\n", Name); - - /* We loop, incrementing the System Call Index, until the end of the file */ - for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line), SyscallDb) != NULL));) { - - /* Extract the Name and Arguments */ - GetNameAndArgumentsFromDb(Line, &NtSyscallName, &SyscallArguments); - - /* Make sure we really extracted something */ - if (NtSyscallName) { - - /* Add a new line */ - if (SyscallId > 0) fprintf(SyscallTable,",\n"); - - /* Write the syscall name in the service table. */ - fprintf(SyscallTable,"\t\t(ULONG_PTR)%s", NtSyscallName); - - /* Only increase if we actually added something */ - SyscallId++; - } - } - - /* Close the service table (C syntax) */ - fprintf(SyscallTable,"\n};\n"); - - /* Now we build the SSPT */ - rewind(SyscallDb); - fprintf(SyscallTable,"\n\n\n"); - fprintf(SyscallTable,"UCHAR %sSSPT[] = {\n", Name); - - for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line), SyscallDb) != NULL));) { - - /* Extract the Name and Arguments */ - GetNameAndArgumentsFromDb(Line, &NtSyscallName, &SyscallArguments); - - /* Make sure we really extracted something */ - if (NtSyscallName) { - - /* Add a new line */ - if (SyscallId > 0) fprintf(SyscallTable,",\n"); - - /* Write the syscall arguments in the argument table. */ - if (SyscallArguments != NULL) - fprintf(SyscallTable,"\t\t%lu * sizeof(void *)",strtoul(SyscallArguments, NULL, 0)); - else - fprintf(SyscallTable,"\t\t0"); - - /* Only increase if we actually added something */ - SyscallId++; - } - } - - /* Close the service table (C syntax) */ - fprintf(SyscallTable,"\n};\n"); - - /* - * We write some useful defines - */ - fprintf(SyscallTable, "\n\n#define MIN_SYSCALL_NUMBER 0\n"); - fprintf(SyscallTable, "#define MAX_SYSCALL_NUMBER %d\n", SyscallId - 1); - fprintf(SyscallTable, "#define NUMBER_OF_SYSCALLS %d\n", SyscallId); - fprintf(SyscallTable, "ULONG %sNumberOfSysCalls = %d;\n", Name, SyscallId); -} - -void usage(char * argv0) -{ - printf("Usage: %s [-arch <arch>] sysfuncs.lst w32ksvc.db napi.h ssdt.h napi.S zw.S win32k.S win32k.S\n" - " sysfuncs.lst native system functions database\n" - " w32ksvc.db native graphic functions database\n" - " napi.h NTOSKRNL service table\n" - " ssdt.h WIN32K service table\n" - " napi.S NTDLL stubs\n" - " zw.S NTOSKRNL Zw stubs\n" - " win32k.S GDI32 stubs\n" - " win32k.S USER32 stubs\n" - " -arch is optional, default is %s\n", - argv0, - ncitool_data[0].arch - ); -} - -int main(int argc, char* argv[]) -{ - FILE * Files[Arguments] = { }; - int FileNumber, ArgOffset = 1; - char * OpenType = "r"; - - /* Catch architecture argument */ - if (argc > 3 && !strcmp(argv[1],"-arch")) { - for( arch_sel = 0; ncitool_data[arch_sel].arch; arch_sel++ ) - if (strcmp(argv[2],ncitool_data[arch_sel].arch) == 0) - break; - if (!ncitool_data[arch_sel].arch) { - printf("Invalid arch '%s'\n", argv[2]); - usage(argv[0]); - return 1; - } - ArgOffset = 3; - } - /* Make sure all arguments all there */ - if (argc != Arguments + ArgOffset) { - usage(argv[0]); - return(1); - } - - /* Open all Output and bail out if any fail */ - for (FileNumber = 0; FileNumber < Arguments; FileNumber++) { - - /* Open the File */ - if (FileNumber == 2) OpenType = "wb"; - Files[FileNumber] = fopen(argv[FileNumber + ArgOffset], OpenType); - - /* Check for failure and error out if so */ - if (!Files[FileNumber]) { - perror(argv[FileNumber + ArgOffset]); - return (1); - } - } - - /* Write the File Headers */ - WriteFileHeader(Files[NtosUserStubs], - "System Call Stubs for Native API", - argv[NtosUserStubs + ArgOffset]); - - WriteFileHeader(Files[NtosKernelStubs], - "System Call Stubs for Native API", - argv[NtosKernelStubs + ArgOffset]); - fputs("#include <ndk/asm.h>\n\n", Files[NtosKernelStubs]); - - WriteFileHeader(Files[Win32kGdiStubs], - "System Call Stubs for Native API", - argv[Win32kGdiStubs + ArgOffset]); - - WriteFileHeader(Files[Win32kUserStubs], - "System Call Stubs for Native API", - argv[Win32kUserStubs + ArgOffset]); - - - /* Create the System Stubs */ - CreateStubs(Files[NativeSystemDb], - &Files[NtosUserStubs], - Files[NtosKernelStubs], - MAIN_INDEX, - 1, - 1); - - /* Create the Graphics Stubs */ - CreateStubs(Files[NativeGuiDb], - &Files[Win32kGdiStubs], - NULL, - WIN32K_INDEX, - 2, - 0); - - /* Rewind the databases */ - rewind(Files[NativeSystemDb]); - rewind(Files[NativeGuiDb]); - - /* Create the Service Tables */ - CreateSystemServiceTable(Files[NativeSystemDb], - Files[NtosServiceTable], - "Main", - argv[NtosServiceTable + ArgOffset]); - - CreateSystemServiceTable(Files[NativeGuiDb], - Files[Win32kServiceTable], - "Win32k", - argv[Win32kServiceTable + ArgOffset]); - - /* Close all files */ - for (FileNumber = 0; FileNumber < Arguments-ArgOffset; FileNumber++) { - - /* Close the File */ - fclose(Files[FileNumber]); - - } - - return(0); -} +/* + * FILE: tools/nci/ncitool.c + * COPYRIGHT: See COPYING in the top level directory + * PROJECT: Native Call Interface Support Tool + * PURPOSE: Generates NCI Tables and Stubs. + * PROGRAMMER; Alex Ionescu (alex@relsoft.net) + * CHANGE HISTORY: 14/01/05 - Created. Based on original code by + * KJK::Hyperion and Emanuelle Aliberti. + * + */ + +/* INCLUDE ******************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifndef __FreeBSD__ +# include <malloc.h> +#endif // __FreeBSD__ + +/* DEFINES ****************************************************************/ + +#define INPUT_BUFFER_SIZE 255 +#define Arguments 7 + +/******* Table Indexes ************/ +#define MAIN_INDEX 0x0 +#define WIN32K_INDEX 0x1000 + +/******* Argument List ************/ +/* First, define the Databases */ +#define NativeSystemDb 0 +#define NativeGuiDb 1 + +/* Now the Service Tables */ +#define NtosServiceTable 2 +#define Win32kServiceTable 3 + +/* And finally, the stub files. */ +#define NtosUserStubs 4 +#define NtosKernelStubs 5 +#define Win32kStubs 6 + +/********** Stub Code ************/ + +/* + * This stubs calls into KUSER_SHARED_DATA where either a + * sysenter or interrupt is performed, depending on CPU support. + */ +#if defined(__GNUC__) +#define UserModeStub_x86 " movl $0x%x, %%eax\n" \ + " movl $KUSER_SHARED_SYSCALL, %%ecx\n" \ + " call *(%%ecx)\n" \ + " ret $0x%x\n\n" + +#define UserModeStub_ppc " mflr 0\n" \ + " addi 1,1,-16\n" \ + " li 0,%x\n" \ + " stw 0,1(0)\n" \ + " sc\n" \ + " lwz 0,1(0)\n" \ + " mtlr 0\n" \ + " addi 1,1,16\n" \ + " blr\n" +#elif defined(_MSC_VER) +#define UserModeStub_x86 " asm { \n" \ + " mov eax, %xh\n" \ + " mov ecx, KUSER_SHARED_SYSCALL\n" \ + " call [ecx]\n" \ + " ret %xh\n" \ + " }\n" +#else +#error Unknown compiler for inline assembler +#endif + +/* + * This stub calls KiSystemService directly with a fake INT2E stack. + * Because EIP is pushed during the call, the handler will return here. + */ +#if defined(__GNUC__) +#define KernelModeStub_x86 " movl $0x%x, %%eax\n" \ + " leal 4(%%esp), %%edx\n" \ + " pushfl\n" \ + " pushl $KGDT_R0_CODE\n" \ + " call _KiSystemService\n" \ + " ret $0x%x\n\n" + +#define KernelModeStub_ppc " bl KiSystemService\n" \ + " rfi\n" +#elif defined(_MSC_VER) +#define KernelModeStub_x86 " asm { \n" \ + " mov eax, %xh\n" \ + " lea edx, [esp+4]\n" \ + " pushf\n" \ + " push KGDT_R0_CODE\n" \ + " call _KiSystemService\n" \ + " ret %xh\n" \ + " }\n" +#else +#error Unknown compiler for inline assembler +#endif + +/***** Arch Dependent Stuff ******/ +struct ncitool_data_t { + const char *arch; + int args_to_bytes; + const char *km_stub; + const char *um_stub; + const char *global_header; + const char *declaration; +}; + +struct ncitool_data_t ncitool_data[] = { + { "i386", 4, KernelModeStub_x86, UserModeStub_x86, + ".global _%s@%d\n", "_%s@%d:\n" }, + { "powerpc", 4, KernelModeStub_ppc, UserModeStub_ppc, + "\t.globl %s\n", "%s:\n" }, + { 0, } +}; +int arch_sel = 0; +#define ARGS_TO_BYTES(x) (x)*(ncitool_data[arch_sel].args_to_bytes) +#define UserModeStub ncitool_data[arch_sel].um_stub +#define KernelModeStub ncitool_data[arch_sel].km_stub +#define GlobalHeader ncitool_data[arch_sel].global_header +#define Declaration ncitool_data[arch_sel].declaration + +/* FUNCTIONS ****************************************************************/ + +/*++ + * WriteFileHeader + * + * Prints out the File Header for a Stub File. + * + * Params: + * StubFile - Stub File to which to write the header. + * + * FileDescription - Description of the Stub file to which to write the header. + * + * FileLocation - Name of the Stub file to which to write the header. + * + * Returns: + * None. + * + * Remarks: + * FileLocation is only used for printing the header. + * + *--*/ +void +WriteFileHeader(FILE * StubFile, + char* FileDescription, + char* FileLocation) +{ + /* This prints out the file header */ + fprintf(StubFile, + "/* FILE: %s\n" + " * COPYRIGHT: See COPYING in the top level directory\n" + " * PURPOSE: %s\n" + " * PROGRAMMER: Computer Generated File. See tools/nci/ncitool.c\n" + " * REMARK: DO NOT EDIT OR COMMIT MODIFICATIONS TO THIS FILE\n" + " */\n\n\n" + "#include <ndk/asm.h>\n\n", + FileDescription, + FileLocation); +} + +/*++ + * WriteFileHeader + * + * Prints out the File Header for a Stub File. + * + * Params: + * StubFile - Stub File to which to write the header. + * + * FileDescription - Description of the Stub file to which to write the header. + * + * FileLocation - Name of the Stub file to which to write the header. + * + * Returns: + * None. + * + * Remarks: + * FileLocation is only used for printing the header. + * + *--*/ +void +WriteStubHeader(FILE* StubFile, + char* SyscallName, + unsigned StackBytes) +{ + /* Export the function */ + fprintf(StubFile, GlobalHeader, SyscallName, StackBytes); + + /* Define it */ + fprintf(StubFile, Declaration, SyscallName, StackBytes); +} + + +/*++ + * WriteKernelModeStub + * + * Prints out the Kernel Mode Stub for a System Call. + * + * Params: + * StubFile - Stub File to which to write the header. + * + * SyscallName - Name of System Call for which to add the stub. + * + * StackBytes - Number of bytes on the stack to return after doing the system call. + * + * SyscallId - Service Descriptor Table ID for this System Call. + * + * Returns: + * None. + * + * Remarks: + * On i386, StackBytes is the number of arguments x 4. + * + *--*/ +void +WriteKernelModeStub(FILE* StubFile, + char* SyscallName, + unsigned StackBytes, + unsigned int SyscallId) +{ + /* Write the Stub Header and export the Function */ + WriteStubHeader(StubFile, SyscallName, StackBytes); + + /* Write the Stub Code */ + fprintf(StubFile, KernelModeStub, SyscallId, StackBytes); +} + +/*++ + * WriteUserModeStub + * + * Prints out the User Mode Stub for a System Call. + * + * Params: + * StubFile - Stub File to which to write the header. + * + * SyscallName - Name of System Call for which to add the stub. + * + * StackBytes - Number of bytes on the stack to return after doing the system call. + * + * SyscallId - Service Descriptor Table ID for this System Call. + * + * Returns: + * None. + * + * Remarks: + * On i386, StackBytes is the number of arguments x 4. + * + *--*/ +void +WriteUserModeStub(FILE* StubFile, + char* SyscallName, + unsigned StackBytes, + unsigned int SyscallId) +{ + /* Write the Stub Header and export the Function */ + WriteStubHeader(StubFile, SyscallName, StackBytes); + + /* Write the Stub Code */ + fprintf(StubFile, UserModeStub, SyscallId, StackBytes); +} + +/*++ + * GetNameAndArgumentsFromDb + * + * Parses an entry from a System Call Database, extracting + * the function's name and arguments that it takes. + * + * Params: + * Line - Entry from the Database to parse. + * + * NtSyscallName - Output string to which to save the Function Name + * + * SyscallArguments - Output string to which to save the number of + * arguments that the function takes. + * + * Returns: + * None. + * + * Remarks: + * On i386, StackBytes is the number of arguments x 4. + * + *--*/ +void +GetNameAndArgumentsFromDb(char Line[], + char ** NtSyscallName, + char ** SyscallArguments) +{ + char *s; + char *stmp; + + /* Remove new line */ + if ((s = (char *) strchr(Line,'\r')) != NULL) { + *s = '\0'; + } + + /* Skip comments (#) and empty lines */ + s = &Line[0]; + if ((*s) != '#' && (*s) != '\0') { + + /* Extract the NtXXX name */ + *NtSyscallName = (char *)strtok(s," \t"); + + /* Extract the argument count */ + *SyscallArguments = (char *)strtok(NULL," \t"); + + /* Remove, if present, the trailing LF */ + if ((stmp = strchr(*SyscallArguments, '\n')) != NULL) { + *stmp = '\0'; + } + + } else { + + /* Skip this entry */ + *NtSyscallName = NULL; + *SyscallArguments = NULL; + } +} + +/*++ + * CreateStubs + * + * Parses a System Call Database and creates stubs for all the entries. + * + * Params: + * SyscallDb - System Call Database to parse. + * + * UserModeFiles - Array of Usermode Stub Files to which to write the stubs. + * + * KernelModeFile - Kernelmode Stub Files to which to write the stubs. + * + * Index - Number of first syscall + * + * UserFiles - Number of Usermode Stub Files to create + * + * NeedsZw - Write Zw prefix? + * + * Returns: + * None. + * + * Remarks: + * None. + * + *--*/ +void +CreateStubs(FILE * SyscallDb, + FILE * UserModeFiles[], + FILE * KernelModeFile, + unsigned Index, + unsigned UserFiles, + unsigned NeedsZw) +{ + char Line[INPUT_BUFFER_SIZE]; + char *NtSyscallName; + char *SyscallArguments; + int SyscallId; + unsigned StackBytes; + + /* We loop, incrementing the System Call Index, until the end of the file */ + for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line), SyscallDb) != NULL));) { + + /* Extract the Name and Arguments */ + GetNameAndArgumentsFromDb(Line, &NtSyscallName, &SyscallArguments); + if (SyscallArguments != NULL) + StackBytes = ARGS_TO_BYTES(strtoul(SyscallArguments, NULL, 0)); + else + StackBytes = 0; + + /* Make sure we really extracted something */ + if (NtSyscallName) { + + /* Create Usermode Stubs for Nt/Zw syscalls in each Usermode file */ + int i; + for (i= 0; i < UserFiles; i++) { + + /* Write the Nt Version */ + WriteUserModeStub(UserModeFiles[i], + NtSyscallName, + StackBytes, + SyscallId | Index); + + /* If a Zw Version is needed (was specified), write it too */ + if (NeedsZw) { + + NtSyscallName[0] = 'Z'; + NtSyscallName[1] = 'w'; + WriteUserModeStub(UserModeFiles[i], + NtSyscallName, + StackBytes, + SyscallId | Index); + } + + } + + /* Create the Kernel coutnerparts (only Zw*, Nt* are the real functions!) */ + if (KernelModeFile) { + + NtSyscallName[0] = 'Z'; + NtSyscallName[1] = 'w'; + WriteKernelModeStub(KernelModeFile, + NtSyscallName, + StackBytes, + SyscallId | Index); + } + + /* Only increase if we actually added something */ + SyscallId++; + } + } +} + +/*++ + * CreateSystemServiceTable + * + * Parses a System Call Database and creates a System Call Service Table for it. + * + * Params: + * SyscallDb - System Call Database to parse. + * + * SyscallTable - File in where to create System Call Service Table. + * + * Name - Name of the Service Table. + * + * FileLocation - Filename containing the Table. + * + * Returns: + * None. + * + * Remarks: + * FileLocation is only used for the header generation. + * + *--*/ +void +CreateSystemServiceTable(FILE *SyscallDb, + FILE *SyscallTable, + char * Name, + char * FileLocation) +{ + char Line[INPUT_BUFFER_SIZE]; + char *NtSyscallName; + char *SyscallArguments; + int SyscallId; + + /* Print the Header */ + WriteFileHeader(SyscallTable, "System Call Table for Native API", FileLocation); + + /* First we build the SSDT */ + fprintf(SyscallTable,"\n\n\n"); + fprintf(SyscallTable,"ULONG_PTR %sSSDT[] = {\n", Name); + + /* We loop, incrementing the System Call Index, until the end of the file */ + for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line), SyscallDb) != NULL));) { + + /* Extract the Name and Arguments */ + GetNameAndArgumentsFromDb(Line, &NtSyscallName, &SyscallArguments); + + /* Make sure we really extracted something */ + if (NtSyscallName) { + + /* Add a new line */ + if (SyscallId > 0) fprintf(SyscallTable,",\n"); + + /* Write the syscall name in the service table. */ + fprintf(SyscallTable,"\t\t(ULONG_PTR)%s", NtSyscallName); + + /* Only increase if we actually added something */ + SyscallId++; + } + } + + /* Close the service table (C syntax) */ + fprintf(SyscallTable,"\n};\n"); + + /* Now we build the SSPT */ + rewind(SyscallDb); + fprintf(SyscallTable,"\n\n\n"); + fprintf(SyscallTable,"UCHAR %sSSPT[] = {\n", Name); + + for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line), SyscallDb) != NULL));) { + + /* Extract the Name and Arguments */ + GetNameAndArgumentsFromDb(Line, &NtSyscallName, &SyscallArguments); + + /* Make sure we really extracted something */ + if (NtSyscallName) { + + /* Add a new line */ + if (SyscallId > 0) fprintf(SyscallTable,",\n"); + + /* Write the syscall arguments in the argument table. */ + if (SyscallArguments != NULL) + fprintf(SyscallTable,"\t\t%lu * sizeof(void *)",strtoul(SyscallArguments, NULL, 0)); + else + fprintf(SyscallTable,"\t\t0"); + + /* Only increase if we actually added something */ + SyscallId++; + } + } + + /* Close the service table (C syntax) */ + fprintf(SyscallTable,"\n};\n"); + + /* + * We write some useful defines + */ + fprintf(SyscallTable, "\n\n#define MIN_SYSCALL_NUMBER 0\n"); + fprintf(SyscallTable, "#define MAX_SYSCALL_NUMBER %d\n", SyscallId - 1); + fprintf(SyscallTable, "#define NUMBER_OF_SYSCALLS %d\n", SyscallId); + fprintf(SyscallTable, "ULONG %sNumberOfSysCalls = %d;\n", Name, SyscallId); +} + +void usage(char * argv0) +{ + printf("Usage: %s [-arch <arch>] sysfuncs.lst w32ksvc.db napi.h ssdt.h napi.S zw.S win32k.S win32k.S\n" + " sysfuncs.lst native system functions database\n" + " w32ksvc.db native graphic functions database\n" + " napi.h NTOSKRNL service table\n" + " ssdt.h WIN32K service table\n" + " napi.S NTDLL stubs\n" + " zw.S NTOSKRNL Zw stubs\n" + " win32k.S GDI32 stubs\n" + " win32k.S USER32 stubs\n" + " -arch is optional, default is %s\n", + argv0, + ncitool_data[0].arch + ); +} + +int main(int argc, char* argv[]) +{ + FILE * Files[Arguments] = { }; + int FileNumber, ArgOffset = 1; + char * OpenType = "r"; + + /* Catch architecture argument */ + if (argc > 3 && !strcmp(argv[1],"-arch")) { + for( arch_sel = 0; ncitool_data[arch_sel].arch; arch_sel++ ) + if (strcmp(argv[2],ncitool_data[arch_sel].arch) == 0) + break; + if (!ncitool_data[arch_sel].arch) { + printf("Invalid arch '%s'\n", argv[2]); + usage(argv[0]); + return 1; + } + ArgOffset = 3; + } + /* Make sure all arguments all there */ + if (argc != Arguments + ArgOffset) { + usage(argv[0]); + return(1); + } + + /* Open all Output and bail out if any fail */ + for (FileNumber = 0; FileNumber < Arguments; FileNumber++) { + + /* Open the File */ + if (FileNumber == 2) OpenType = "wb"; + Files[FileNumber] = fopen(argv[FileNumber + ArgOffset], OpenType); + + /* Check for failure and error out if so */ + if (!Files[FileNumber]) { + perror(argv[FileNumber + ArgOffset]); + return (1); + } + } + + /* Write the File Headers */ + WriteFileHeader(Files[NtosUserStubs], + "System Call Stubs for Native API", + argv[NtosUserStubs + ArgOffset]); + + WriteFileHeader(Files[NtosKernelStubs], + "System Call Stubs for Native API", + argv[NtosKernelStubs + ArgOffset]); + fputs("#include <ndk/asm.h>\n\n", Files[NtosKernelStubs]); + + WriteFileHeader(Files[Win32kStubs], + "System Call Stubs for Native API", + argv[Win32kStubs + ArgOffset]); + + /* Create the System Stubs */ + CreateStubs(Files[NativeSystemDb], + &Files[NtosUserStubs], + Files[NtosKernelStubs], + MAIN_INDEX, + 1, + 1); + + /* Create the Graphics Stubs */ + CreateStubs(Files[NativeGuiDb], + &Files[Win32kStubs], + NULL, + WIN32K_INDEX, + 1, + 0); + + /* Rewind the databases */ + rewind(Files[NativeSystemDb]); + rewind(Files[NativeGuiDb]); + + /* Create the Service Tables */ + CreateSystemServiceTable(Files[NativeSystemDb], + Files[NtosServiceTable], + "Main", + argv[NtosServiceTable + ArgOffset]); + + CreateSystemServiceTable(Files[NativeGuiDb], + Files[Win32kServiceTable], + "Win32k", + argv[Win32kServiceTable + ArgOffset]); + + /* Close all files */ + for (FileNumber = 0; FileNumber < Arguments-ArgOffset; FileNumber++) { + + /* Close the File */ + fclose(Files[FileNumber]); + + } + + return(0); +}
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