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Raise max FFI args to 32 (for Windows)

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Struma 2020-04-23 06:10:09 -04:00 • committed by Roza
parent e84c7e2636
commit c08cd8359e
1 changed files with 14 additions and 5 deletions
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19
binding/miniffi-binding.cpp
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@ -14,6 +14,12 @@
#define _T_INTEGER 3
#define _T_BOOL 4
#ifndef __WIN32__
#define MINIFFI_MAX_ARGS 8
#else
#define MINIFFI_MAX_ARGS 32
#endif
#define INTEL_ASM ".intel_syntax noprefix\n"
// Might need to let MiniFFI.initialize set calling convention
@ -26,16 +32,19 @@
// that many arguments anyway
typedef struct {
unsigned long params[8];
unsigned long params[MINIFFI_MAX_ARGS];
} MiniFFIFuncArgs;
#ifndef __WIN32__
// L O N G, but variables won't get set up correctly otherwise
// should allow for __fastcalls (macOS likes these) and whatever else
typedef PREFABI void *(*MINIFFI_FUNC)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
#else
typedef PREFABI void *(*MINIFFI_FUNC)(...);
#endif
// MiniFFI class, also named Win32API on Windows
// Uses LoadLibrary/GetProcAddress on Windows, dlopen/dlsym everywhere else
@ -175,9 +184,9 @@ RB_METHOD(MiniFFI_initialize) {
break;
}
if (8 < RARRAY_LEN(ary_imports))
rb_raise(rb_eRuntimeError, "too many parameters: %ld\n",
RARRAY_LEN(ary_imports));
if (MINIFFI_MAX_ARGS < RARRAY_LEN(ary_imports))
rb_raise(rb_eRuntimeError, "too many parameters: %ld/%ld\n",
RARRAY_LEN(ary_imports), MINIFFI_MAX_ARGS);
rb_iv_set(self, "_imports", ary_imports);
int ex;