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Fix Win32API on Windows (screw Windows)

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This commit is contained in:
Roza 2020-02-23 02:09:55 -05:00
parent 6a1672f050
commit 39f47caef7
1 changed files with 32 additions and 3 deletions
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35
binding/miniffi-binding.cpp
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@ -5,6 +5,7 @@
#include <SDL.h> #include <SDL.h>
#include "binding-util.h" #include "binding-util.h"
#include "debugwriter.h"
#define _T_VOID 0 #define _T_VOID 0
#define _T_NUMBER 1 #define _T_NUMBER 1
@ -21,6 +22,10 @@
// think there are many functions one would need to use that require // think there are many functions one would need to use that require
// that many arguments anyway // that many arguments anyway
typedef struct {
unsigned long params[8];
} MiniFFIFuncArgs;
// L O N G, but variables won't get set up correctly otherwise // L O N G, but variables won't get set up correctly otherwise
// should allow for __fastcalls (macOS likes these) and whatever else // should allow for __fastcalls (macOS likes these) and whatever else
typedef PREFABI void *(*MINIFFI_FUNC)(unsigned long, unsigned long, typedef PREFABI void *(*MINIFFI_FUNC)(unsigned long, unsigned long,
@ -213,9 +218,7 @@ RB_METHOD(MiniFFI_initialize) {
} }
RB_METHOD(MiniFFI_call) { RB_METHOD(MiniFFI_call) {
struct { MiniFFIFuncArgs param;
unsigned long params[8];
} param;
#define params param.params #define params param.params
VALUE func = rb_iv_get(self, "_func"); VALUE func = rb_iv_get(self, "_func");
VALUE own_imports = rb_iv_get(self, "_imports"); VALUE own_imports = rb_iv_get(self, "_imports");
@ -256,10 +259,36 @@ RB_METHOD(MiniFFI_call) {
} }
params[i] = lParam; params[i] = lParam;
} }
#ifndef __WINDOWS__
unsigned long ret = unsigned long ret =
(unsigned long)ApiFunction(params[0], params[1], params[2], params[3], (unsigned long)ApiFunction(params[0], params[1], params[2], params[3],
params[4], params[5], params[6], params[7]); params[4], params[5], params[6], params[7]);
// Setting stdcall doesn't work anymore, I HATE WINDOWS
#else
unsigned long ret = 0;
asm volatile(".intel_syntax noprefix\n"
"test ecx, ecx\n"
"jz call_void\n"
"sub ecx, 4\n"
"test ecx, ecx\n"
"jz loop_end\n"
"loop_start:\n"
"mov eax, [esi+ecx]\n"
"push eax\n"
"sub ecx, 4\n"
"test ecx, ecx\n"
"jnz loop_start\n"
"loop_end:\n"
"mov eax, [esi]\n"
"push eax\n"
"call_void:\n"
"call edi"
: "+a"(ret)
: "c"(nimport * 4), "S"(&param), "D"(ApiFunction)
: "memory");
#endif
switch (FIX2INT(own_exports)) { switch (FIX2INT(own_exports)) {
case _T_NUMBER: case _T_NUMBER:
case _T_INTEGER: case _T_INTEGER: