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wine/dlls/ntdll/ntdll_misc.h
Zhiyi Zhang 7b29dc9053 ntdll: Set and check 0x8 flag for activation context stack frames. 
Prepare for RtlActivateActivationContextUnsafeFast(), which adds frames with flags 0x20. Normal
frame flags are 0x28. So 0x8 is most likely to note that it's callee-allocated and needs to be freed
in RtlFreeActivationContextStack(). Whereas missing 0x8 probably means a frame is caller-allocated.
2025-06-20 23:21:43 +02:00

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/*
* Copyright 2000 Juergen Schmied
*
* 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
*/
#ifndef __WINE_NTDLL_MISC_H
#define __WINE_NTDLL_MISC_H
#include <stdarg.h>
#include <stdlib.h>
#include <sys/types.h>
#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "winternl.h"
#include "rtlsupportapi.h"
#include "unixlib.h"
#include "wine/asm.h"
#define MAX_NT_PATH_LENGTH 277
#define NTDLL_TLS_ERRNO 16 /* TLS slot for _errno() */
#define NTDLL_ACTCTX_STACK_FRAME_HEAP_ALLOCATED 0x8 /* RTL_ACTIVATION_CONTEXT_STACK_FRAME.Flags */
#ifdef __i386__
static const USHORT current_machine = IMAGE_FILE_MACHINE_I386;
#elif defined(__x86_64__)
static const USHORT current_machine = IMAGE_FILE_MACHINE_AMD64;
#elif defined(__arm__)
static const USHORT current_machine = IMAGE_FILE_MACHINE_ARMNT;
#elif defined(__aarch64__)
static const USHORT current_machine = IMAGE_FILE_MACHINE_ARM64;
#else
static const USHORT current_machine = IMAGE_FILE_MACHINE_UNKNOWN;
#endif
static const UINT_PTR page_size = 0x1000;
/* exceptions */
extern NTSTATUS call_seh_handlers( EXCEPTION_RECORD *rec, CONTEXT *context );
extern NTSTATUS WINAPI dispatch_exception( EXCEPTION_RECORD *rec, CONTEXT *context );
extern NTSTATUS WINAPI dispatch_user_callback( void *args, ULONG len, ULONG id );
extern EXCEPTION_DISPOSITION WINAPI user_callback_handler( EXCEPTION_RECORD *record, void *frame,
CONTEXT *context, void *dispatch );
extern EXCEPTION_DISPOSITION WINAPI nested_exception_handler( EXCEPTION_RECORD *rec, void *frame,
CONTEXT *context, void *dispatch );
extern void DECLSPEC_NORETURN raise_status( NTSTATUS status, EXCEPTION_RECORD *rec );
extern LONG WINAPI call_unhandled_exception_filter( PEXCEPTION_POINTERS eptr );
extern void WINAPI process_breakpoint(void);
static inline BOOL is_valid_frame( ULONG_PTR frame )
{
if (frame & (sizeof(void*) - 1)) return FALSE;
return ((void *)frame >= NtCurrentTeb()->Tib.StackLimit &&
(void *)frame <= NtCurrentTeb()->Tib.StackBase);
}
extern void WINAPI LdrInitializeThunk(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR);
extern void WINAPI KiUserExceptionDispatcher(EXCEPTION_RECORD*,CONTEXT*);
extern void WINAPI KiUserApcDispatcher(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR,PNTAPCFUNC);
extern void WINAPI KiUserCallbackDispatcher(ULONG,void*,ULONG);
extern void WINAPI KiUserCallbackDispatcherReturn(void);
extern void (WINAPI *pWow64PrepareForException)( EXCEPTION_RECORD *rec, CONTEXT *context );
/* debug helpers */
extern LPCSTR debugstr_us( const UNICODE_STRING *str );
extern void set_native_thread_name( DWORD tid, const char *name );
/* init routines */
extern void loader_init( CONTEXT *context, void **entry );
extern void version_init(void);
extern void debug_init(void);
extern void actctx_init(void);
extern void locale_init(void);
extern void init_user_process_params(void);
extern void get_resource_lcids( LANGID *user, LANGID *user_neutral, LANGID *system );
/* module handling */
extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
FARPROC origfun, DWORD ordinal, const WCHAR *user );
extern void RELAY_SetupDLL( HMODULE hmod );
extern void SNOOP_SetupDLL( HMODULE hmod );
extern const WCHAR windows_dir[];
extern void (FASTCALL *pBaseThreadInitThunk)(DWORD,LPTHREAD_START_ROUTINE,void *);
extern struct _KUSER_SHARED_DATA *user_shared_data;
#ifdef _WIN64
static inline TEB64 *NtCurrentTeb64(void) { return NULL; }
#else
static inline TEB64 *NtCurrentTeb64(void) { return (TEB64 *)NtCurrentTeb()->GdiBatchCount; }
#endif
static inline void *get_rva( HMODULE module, DWORD va )
{
return (void *)((char *)module + va);
}
/* convert from straight ASCII to Unicode without depending on the current codepage */
static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
{
while (len--) *dst++ = (unsigned char)*src++;
}
/* FLS data */
extern TEB_FLS_DATA *fls_alloc_data(void);
extern void heap_thread_detach(void);
/* register context */
#ifdef __i386__
# define TRACE_CONTEXT(c) do { \
TRACE( "eip=%08lx esp=%08lx ebp=%08lx eflags=%08lx\n", (c)->Eip, (c)->Esp, (c)->Ebp, (c)->EFlags );\
TRACE( "eax=%08lx ebx=%08lx ecx=%08lx edx=%08lx\n", (c)->Eax, (c)->Ebx, (c)->Ecx, (c)->Edx ); \
TRACE( "esi=%08lx edi=%08lx cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x\n", \
(c)->Esi, (c)->Edi, LOWORD((c)->SegCs), LOWORD((c)->SegDs), LOWORD((c)->SegEs), \
LOWORD((c)->SegFs), LOWORD((c)->SegGs), LOWORD((c)->SegSs) ); \
} while(0)
#elif defined(__x86_64__)
# define TRACE_CONTEXT(c) do { \
TRACE( "rip=%016I64x rsp=%016I64x rbp=%016I64x eflags=%08lx\n", (c)->Rip, (c)->Rsp, (c)->Rbp, (c)->EFlags ); \
TRACE( "rax=%016I64x rbx=%016I64x rcx=%016I64x rdx=%016I64x\n", (c)->Rax, (c)->Rbx, (c)->Rcx, (c)->Rdx ); \
TRACE( "rsi=%016I64x rdi=%016I64x r8=%016I64x r9=%016I64x\n", (c)->Rsi, (c)->Rdi, (c)->R8, (c)->R9 ); \
TRACE( "r10=%016I64x r11=%016I64x r12=%016I64x r13=%016I64x\n", (c)->R10, (c)->R11, (c)->R12, (c)->R13 ); \
TRACE( "r14=%016I64x r15=%016I64x mxcsr=%08lx\n", (c)->R14, (c)->R15, (c)->MxCsr ); \
} while(0)
#elif defined(__arm__)
# define TRACE_CONTEXT(c) do { \
TRACE( "pc=%08lx sp=%08lx lr=%08lx ip=%08lx cpsr=%08lx\n", (c)->Pc, (c)->Sp, (c)->Lr, (c)->R12, (c)->Cpsr ); \
TRACE( "r0=%08lx r1=%08lx r2=%08lx r3=%08lx r4=%08lx r5=%08lx\n", (c)->R0, (c)->R1, (c)->R2, (c)->R3, (c)->R4, (c)->R5 ); \
TRACE( "r6=%08lx r7=%08lx r8=%08lx r9=%08lx r10=%08lx r11=%08lx\n", (c)->R6, (c)->R7, (c)->R8, (c)->R9, (c)->R10, (c)->R11 ); \
} while(0)
#elif defined(__aarch64__)
# define TRACE_CONTEXT(c) do { \
TRACE( " pc=%016I64x sp=%016I64x lr=%016I64x fp=%016I64x\n", (c)->Pc, (c)->Sp, (c)->Lr, (c)->Fp ); \
TRACE( " x0=%016I64x x1=%016I64x x2=%016I64x x3=%016I64x\n", (c)->X0, (c)->X1, (c)->X2, (c)->X3 ); \
TRACE( " x4=%016I64x x5=%016I64x x6=%016I64x x7=%016I64x\n", (c)->X4, (c)->X5, (c)->X6, (c)->X7 ); \
TRACE( " x8=%016I64x x9=%016I64x x10=%016I64x x11=%016I64x\n", (c)->X8, (c)->X9, (c)->X10, (c)->X11 ); \
TRACE( "x12=%016I64x x13=%016I64x x14=%016I64x x15=%016I64x\n", (c)->X12, (c)->X13, (c)->X14, (c)->X15 ); \
TRACE( "x16=%016I64x x17=%016I64x x18=%016I64x x19=%016I64x\n", (c)->X16, (c)->X17, (c)->X18, (c)->X19 ); \
TRACE( "x20=%016I64x x21=%016I64x x22=%016I64x x23=%016I64x\n", (c)->X20, (c)->X21, (c)->X22, (c)->X23 ); \
TRACE( "x24=%016I64x x25=%016I64x x26=%016I64x x27=%016I64x\n", (c)->X24, (c)->X25, (c)->X26, (c)->X27 ); \
TRACE( "x28=%016I64x cpsr=%08lx fpcr=%08lx fpsr=%08lx\n", (c)->X28, (c)->Cpsr, (c)->Fpcr, (c)->Fpsr ); \
} while(0)
#endif
#ifdef __arm64ec__
extern NTSTATUS arm64ec_process_init( HMODULE module );
extern NTSTATUS arm64ec_thread_init(void);
extern IMAGE_ARM64EC_METADATA *arm64ec_get_module_metadata( HMODULE module );
extern void arm64ec_update_hybrid_metadata( void *module, IMAGE_NT_HEADERS *nt,
const IMAGE_ARM64EC_METADATA *metadata );
extern void invoke_arm64ec_syscall(void);
extern void *__os_arm64x_check_call;
extern void *__os_arm64x_check_icall;
extern void *__os_arm64x_check_icall_cfg;
extern void *__os_arm64x_dispatch_call_no_redirect;
extern void *__os_arm64x_dispatch_fptr;
extern void *__os_arm64x_dispatch_ret;
extern void *__os_arm64x_get_x64_information;
extern void *__os_arm64x_set_x64_information;
extern void *__os_arm64x_helper3;
extern void *__os_arm64x_helper4;
extern void *__os_arm64x_helper5;
extern void *__os_arm64x_helper6;
extern void *__os_arm64x_helper7;
extern void *__os_arm64x_helper8;
#endif
#endif
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