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Diffstat (limited to 'lib/LuaJIT/src/lj_ccall.h')
| -rw-r--r-- | lib/LuaJIT/src/lj_ccall.h | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/lib/LuaJIT/src/lj_ccall.h b/lib/LuaJIT/src/lj_ccall.h deleted file mode 100644 index 6efa48c..0000000 --- a/lib/LuaJIT/src/lj_ccall.h +++ /dev/null @@ -1,194 +0,0 @@ -/* -** FFI C call handling. -** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CCALL_H -#define _LJ_CCALL_H - -#include "lj_obj.h" -#include "lj_ctype.h" - -#if LJ_HASFFI - -/* -- C calling conventions ----------------------------------------------- */ - -#if LJ_TARGET_X86ORX64 - -#if LJ_TARGET_X86 -#define CCALL_NARG_GPR 2 /* For fastcall arguments. */ -#define CCALL_NARG_FPR 0 -#define CCALL_NRET_GPR 2 -#define CCALL_NRET_FPR 1 /* For FP results on x87 stack. */ -#define CCALL_ALIGN_STACKARG 0 /* Don't align argument on stack. */ -#elif LJ_ABI_WIN -#define CCALL_NARG_GPR 4 -#define CCALL_NARG_FPR 4 -#define CCALL_NRET_GPR 1 -#define CCALL_NRET_FPR 1 -#define CCALL_SPS_EXTRA 4 -#else -#define CCALL_NARG_GPR 6 -#define CCALL_NARG_FPR 8 -#define CCALL_NRET_GPR 2 -#define CCALL_NRET_FPR 2 -#define CCALL_VECTOR_REG 1 /* Pass vectors in registers. */ -#endif - -#define CCALL_SPS_FREE 1 -#define CCALL_ALIGN_CALLSTATE 16 - -typedef LJ_ALIGN(16) union FPRArg { - double d[2]; - float f[4]; - uint8_t b[16]; - uint16_t s[8]; - int i[4]; - int64_t l[2]; -} FPRArg; - -typedef intptr_t GPRArg; - -#elif LJ_TARGET_ARM - -#define CCALL_NARG_GPR 4 -#define CCALL_NRET_GPR 2 /* For softfp double. */ -#if LJ_ABI_SOFTFP -#define CCALL_NARG_FPR 0 -#define CCALL_NRET_FPR 0 -#else -#define CCALL_NARG_FPR 8 -#define CCALL_NRET_FPR 4 -#endif -#define CCALL_SPS_FREE 0 - -typedef intptr_t GPRArg; -typedef union FPRArg { - double d; - float f[2]; -} FPRArg; - -#elif LJ_TARGET_ARM64 - -#define CCALL_NARG_GPR 8 -#define CCALL_NRET_GPR 2 -#define CCALL_NARG_FPR 8 -#define CCALL_NRET_FPR 4 -#define CCALL_SPS_FREE 0 - -typedef intptr_t GPRArg; -typedef union FPRArg { - double d; - struct { LJ_ENDIAN_LOHI(float f; , float g;) }; - struct { LJ_ENDIAN_LOHI(uint32_t lo; , uint32_t hi;) }; -} FPRArg; - -#elif LJ_TARGET_PPC - -#define CCALL_NARG_GPR 8 -#define CCALL_NARG_FPR (LJ_ABI_SOFTFP ? 0 : 8) -#define CCALL_NRET_GPR 4 /* For complex double. */ -#define CCALL_NRET_FPR (LJ_ABI_SOFTFP ? 0 : 1) -#define CCALL_SPS_EXTRA 4 -#define CCALL_SPS_FREE 0 - -typedef intptr_t GPRArg; -typedef double FPRArg; - -#elif LJ_TARGET_MIPS32 - -#define CCALL_NARG_GPR 4 -#define CCALL_NARG_FPR (LJ_ABI_SOFTFP ? 0 : 2) -#define CCALL_NRET_GPR (LJ_ABI_SOFTFP ? 4 : 2) -#define CCALL_NRET_FPR (LJ_ABI_SOFTFP ? 0 : 2) -#define CCALL_SPS_EXTRA 7 -#define CCALL_SPS_FREE 1 - -typedef intptr_t GPRArg; -typedef union FPRArg { - double d; - struct { LJ_ENDIAN_LOHI(float f; , float g;) }; -} FPRArg; - -#elif LJ_TARGET_MIPS64 - -/* FP args are positional and overlay the GPR array. */ -#define CCALL_NARG_GPR 8 -#define CCALL_NARG_FPR 0 -#define CCALL_NRET_GPR 2 -#define CCALL_NRET_FPR (LJ_ABI_SOFTFP ? 0 : 2) -#define CCALL_SPS_EXTRA 3 -#define CCALL_SPS_FREE 1 - -typedef intptr_t GPRArg; -typedef union FPRArg { - double d; - struct { LJ_ENDIAN_LOHI(float f; , float g;) }; -} FPRArg; - -#else -#error "Missing calling convention definitions for this architecture" -#endif - -#ifndef CCALL_SPS_EXTRA -#define CCALL_SPS_EXTRA 0 -#endif -#ifndef CCALL_VECTOR_REG -#define CCALL_VECTOR_REG 0 -#endif -#ifndef CCALL_ALIGN_STACKARG -#define CCALL_ALIGN_STACKARG 1 -#endif -#ifndef CCALL_ALIGN_CALLSTATE -#define CCALL_ALIGN_CALLSTATE 8 -#endif - -#define CCALL_NUM_GPR \ - (CCALL_NARG_GPR > CCALL_NRET_GPR ? CCALL_NARG_GPR : CCALL_NRET_GPR) -#define CCALL_NUM_FPR \ - (CCALL_NARG_FPR > CCALL_NRET_FPR ? CCALL_NARG_FPR : CCALL_NRET_FPR) - -/* Check against constants in lj_ctype.h. */ -LJ_STATIC_ASSERT(CCALL_NUM_GPR <= CCALL_MAX_GPR); -LJ_STATIC_ASSERT(CCALL_NUM_FPR <= CCALL_MAX_FPR); - -#define CCALL_MAXSTACK 32 - -/* -- C call state -------------------------------------------------------- */ - -typedef LJ_ALIGN(CCALL_ALIGN_CALLSTATE) struct CCallState { - void (*func)(void); /* Pointer to called function. */ - uint32_t spadj; /* Stack pointer adjustment. */ - uint8_t nsp; /* Number of stack slots. */ - uint8_t retref; /* Return value by reference. */ -#if LJ_TARGET_X64 - uint8_t ngpr; /* Number of arguments in GPRs. */ - uint8_t nfpr; /* Number of arguments in FPRs. */ -#elif LJ_TARGET_X86 - uint8_t resx87; /* Result on x87 stack: 1:float, 2:double. */ -#elif LJ_TARGET_ARM64 - void *retp; /* Aggregate return pointer in x8. */ -#elif LJ_TARGET_PPC - uint8_t nfpr; /* Number of arguments in FPRs. */ -#endif -#if LJ_32 - int32_t align1; -#endif -#if CCALL_NUM_FPR - FPRArg fpr[CCALL_NUM_FPR]; /* Arguments/results in FPRs. */ -#endif - GPRArg gpr[CCALL_NUM_GPR]; /* Arguments/results in GPRs. */ - GPRArg stack[CCALL_MAXSTACK]; /* Stack slots. */ -} CCallState; - -/* -- C call handling ----------------------------------------------------- */ - -/* Really belongs to lj_vm.h. */ -LJ_ASMF void LJ_FASTCALL lj_vm_ffi_call(CCallState *cc); - -LJ_FUNC CTypeID lj_ccall_ctid_vararg(CTState *cts, cTValue *o); -LJ_FUNC int lj_ccall_func(lua_State *L, GCcdata *cd); - -#endif - -#endif |