[tkreuzer] 49385: [NCITOOL] - Use the same stubs for GAS and ML (portable assembly) - Fix a warning (comparison signed/unsigned) - Don't duplicate the code when Zw stubs are requested, instead add ...
31 Oct
2010
31 Oct
'10
11:34 p.m.
Author: tkreuzer
Date: Sun Oct 31 23:34:58 2010
New Revision: 49385
URL: http://svn.reactos.org/svn/reactos?rev=49385&view=rev
Log:
[NCITOOL]
- Use the same stubs for GAS and ML (portable assembly)
- Fix a warning (comparison signed/unsigned)
- Don't duplicate the code when Zw stubs are requested, instead add both labels before
the same code
Modified:
branches/cmake-bringup/tools/nci/ncitool.c
Modified: branches/cmake-bringup/tools/nci/ncitool.c
URL:
http://svn.reactos.org/svn/reactos/branches/cmake-bringup/tools/nci/ncitool…
==============================================================================
--- branches/cmake-bringup/tools/nci/ncitool.c [iso-8859-1] (original)
+++ branches/cmake-bringup/tools/nci/ncitool.c [iso-8859-1] Sun Oct 31 23:34:58 2010
@@ -50,16 +50,15 @@
* 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_amd64 " movl $0x%x, %%eax\n" \
- " movq %%rcx, %%r10\n" \
+#define UserModeStub_x86 " mov eax, %d\n" \
+ " mov ecx, KUSER_SHARED_SYSCALL\n" \
+ " call dword ptr [ecx]\n" \
+ " ret %d\n\n"
+
+#define UserModeStub_amd64 " mov eax, %d\n" \
+ " mov r10, rcx\n" \
" syscall\n" \
- " ret $0x%x\n\n"
+ " ret %d\n\n"
#define UserModeStub_ppc " stwu 1,-16(1)\n" \
" mflr 0\n\t" \
@@ -79,28 +78,6 @@
#define UserModeStub_arm " swi #0x%x\n" \
" bx lr\n\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"
-
-#define UserModeStub_amd64 " mov eax, %xh\n" \
- " mov r10, rcx\n" \
- " syscall\n" \
- " ret %xh\n\n"
-
-#define UserModeStub_ppc " \n"
-
-#define UserModeStub_mips " \n"
-
-#define UserModeStub_arm " \n"
-
-#else
-#error Unknown compiler for inline assembler
-#endif
/*
* This stub calls KiSystemService directly with a fake INT2E stack.
@@ -129,14 +106,12 @@
" bx ip\n\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"
+#define KernelModeStub_x86 " mov eax, %xh\n" \
+ " lea edx, [esp+4]\n" \
+ " pushf\n" \
+ " push KGDT_R0_CODE\n" \
+ " call _KiSystemService\n" \
+ " ret %xh\n"
#define KernelModeStub_amd64 " mov eax, %xh\n" \
" call KiSystemService\n" \
@@ -164,9 +139,9 @@
struct ncitool_data_t ncitool_data[] = {
{ "i386", 4, KernelModeStub_x86, UserModeStub_x86,
- ".global _%s@%d\n", "_%s@%d:\n" },
+ "PUBLIC _%s@%d\n", "_%s@%d:\n" },
{ "amd64", 4, KernelModeStub_amd64, UserModeStub_amd64,
- ".global %s\n", "%s:\n" },
+ "PUBLIC %s\n", "%s:\n" },
{ "powerpc", 4, KernelModeStub_ppc, UserModeStub_ppc,
"\t.globl %s\n", "%s:\n" },
{ "mips", 4, KernelModeStub_mips, UserModeStub_mips,
@@ -216,7 +191,10 @@
" * 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",
+ "#include <reactos/asm.h>\n"
+ "#include <ndk/asm.h>\n\n"
+
+ ".code\n",
FileDescription,
FileLocation);
}
@@ -416,6 +394,7 @@
char *SyscallArguments;
int SyscallId;
unsigned StackBytes;
+ unsigned int i;
/* We loop, incrementing the System Call Index, until the end of the file */
for (SyscallId = 0; ((!feof(SyscallDb)) && (fgets(Line, sizeof(Line),
SyscallDb) != NULL));) {
@@ -431,26 +410,23 @@
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);
+ /* Write the Stub Header and export the Function */
+ WriteStubHeader(UserModeFiles[i], NtSyscallName, StackBytes);
/* 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);
+
+ /* Write the Stub Header and export the Function */
+ WriteStubHeader(UserModeFiles[i], NtSyscallName, StackBytes);
}
+ /* Write the Stub Code */
+ fprintf(UserModeFiles[i], UserModeStub, SyscallId | Index, StackBytes);
}
/* Create the Kernel coutnerparts (only Zw*, Nt* are the real functions!) */
@@ -468,6 +444,11 @@
SyscallId++;
}
}
+
+#if defined(_MSC_VER)
+ for (i= 0; i < UserFiles; i++) fprintf(UserModeFiles[i], "END\n");
+ fprintf(KernelModeFile, "END\n");
+#endif
}
/*++
@@ -650,7 +631,7 @@
/* Make sure we really extracted something */
if (NtSyscallName) {
- int i;
+ unsigned int i;
for (i= 0; i < CountFiles; i++) {
if (!UseZw) {
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