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ntdll: Implement allocate_stub for arm64. 

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjo 2017-08-01 11:52:42 +03:00 committed by Alexandre Julliard
parent 0e2f75b2f6
commit dd30536044
1 changed files with 37 additions and 1 deletions
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38
dlls/ntdll/loader.c
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@ -201,7 +201,7 @@ static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
#endif /* __i386__ */
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__)
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
/*************************************************************************
* stub_entry_point
*
@ -246,6 +246,18 @@ struct stub
BYTE ldr_pc_pc[4]; /* ldr pc, [pc, #-4] */
const void* entry;
};
#elif defined(__aarch64__)
struct stub
{
BYTE ldr_x0[4]; /* ldr x0, $dll */
BYTE ldr_x1[4]; /* ldr x1, $name */
BYTE mov_x2_lr[4]; /* mov x2, lr */
BYTE ldr_x16[4]; /* ldr x16, $entry */
BYTE br_x16[4]; /* br x16 */
const char *dll;
const char *name;
const void *entry;
};
#else
struct stub
{
@ -318,6 +330,30 @@ static ULONG_PTR allocate_stub( const char *dll, const char *name )
stub->ldr_pc_pc[2] = 0x1f;
stub->ldr_pc_pc[3] = 0xe5;
stub->entry = stub_entry_point;
#elif defined(__aarch64__)
stub->ldr_x0[0] = 0xa0; /* ldr x0, #20 ($dll) */
stub->ldr_x0[1] = 0x00;
stub->ldr_x0[2] = 0x00;
stub->ldr_x0[3] = 0x58;
stub->ldr_x1[0] = 0xc1; /* ldr x1, #24 ($name) */
stub->ldr_x1[1] = 0x00;
stub->ldr_x1[2] = 0x00;
stub->ldr_x1[3] = 0x58;
stub->mov_x2_lr[0] = 0xe2; /* mov x2, lr */
stub->mov_x2_lr[1] = 0x03;
stub->mov_x2_lr[2] = 0x1e;
stub->mov_x2_lr[3] = 0xaa;
stub->ldr_x16[0] = 0xd0; /* ldr x16, #24 ($entry) */
stub->ldr_x16[1] = 0x00;
stub->ldr_x16[2] = 0x00;
stub->ldr_x16[3] = 0x58;
stub->br_x16[0] = 0x00; /* br x16 */
stub->br_x16[1] = 0x02;
stub->br_x16[2] = 0x1f;
stub->br_x16[3] = 0xd6;
stub->dll = dll;
stub->name = name;
stub->entry = stub_entry_point;
#else
stub->movq_rdi[0] = 0x48; /* movq $dll,%rdi */
stub->movq_rdi[1] = 0xbf;