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vrclient: Move sources out of vrclient_x64 subfolder.

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CW-Bug-Id: #22729
This commit is contained in:
Rémi Bernon 2023-10-03 13:19:46 +02:00 • committed by Arkadiusz Hiler
parent 98a90a1458
commit e9aeba85f2
161 changed files with 165 additions and 165 deletions
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73
vrclient_x64/flatapi.h Normal file
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@ -0,0 +1,73 @@
/* asm thunks for the flat (FnTable) API */
#ifdef __i386__
#include "pshpack1.h"
struct thunk
{
BYTE mov_ecx;
void *this;
BYTE mov_edx;
void *proc;
BYTE jmp;
LONG call_flat;
BYTE nop;
};
#include "poppack.h"
extern void call_flat_method(void);
static inline void init_thunk( struct thunk *thunk, void *this, void *proc,
int param_count, BOOL has_floats, BOOL is_4th_float )
{
thunk->mov_ecx = 0xb9;
thunk->this = this;
thunk->mov_edx = 0xba;
thunk->proc = proc;
thunk->jmp = 0xe9;
thunk->call_flat = (char *)call_flat_method - (char *)(&thunk->call_flat + 1);
}
#else
#include "pshpack1.h"
struct thunk
{
BYTE mov_r10[2];
void *this;
BYTE mov_r11[2];
void *proc;
BYTE mov_rax[2];
void *call_flat;
BYTE jmp_rax[2];
};
#include "poppack.h"
static const struct thunk thunk_template =
{
{ 0x49, 0xba }, 0, /* movq This, %r10 */
{ 0x49, 0xbb }, 0, /* movq proc, %r11 */
{ 0x48, 0xb8 }, 0, /* movq call_thunk, %rax */
{ 0xff, 0xe0 } /* jmp *%rax */
};
typedef void (*pfn_call_flat_method)(void);
extern pfn_call_flat_method
get_call_flat_method_pfn( int param_count, BOOL has_floats, BOOL is_4th_float );
static inline void init_thunk( struct thunk *thunk, void *this, void *proc,
int param_count, BOOL has_floats, BOOL is_4th_float )
{
*thunk = thunk_template;
thunk->this = this;
thunk->proc = proc;
thunk->call_flat = get_call_flat_method_pfn(param_count, has_floats, is_4th_float);
}
#endif
static inline struct thunk *alloc_thunks( unsigned int count )
{
return VirtualAlloc(NULL, count * sizeof(struct thunk),
MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
}