From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- jni/ruby/ext/fiddle/libffi-3.2.1/src/x86/win64.S | 519 +++++++++++++++++++++++ 1 file changed, 519 insertions(+) create mode 100644 jni/ruby/ext/fiddle/libffi-3.2.1/src/x86/win64.S (limited to 'jni/ruby/ext/fiddle/libffi-3.2.1/src/x86/win64.S') diff --git a/jni/ruby/ext/fiddle/libffi-3.2.1/src/x86/win64.S b/jni/ruby/ext/fiddle/libffi-3.2.1/src/x86/win64.S new file mode 100644 index 0000000..347a26a --- /dev/null +++ b/jni/ruby/ext/fiddle/libffi-3.2.1/src/x86/win64.S @@ -0,0 +1,519 @@ +#define LIBFFI_ASM +#include +#include + +/* Constants for ffi_call_win64 */ +#define STACK 0 +#define PREP_ARGS_FN 32 +#define ECIF 40 +#define CIF_BYTES 48 +#define CIF_FLAGS 56 +#define RVALUE 64 +#define FN 72 + +/* ffi_call_win64 (void (*prep_args_fn)(char *, extended_cif *), + extended_cif *ecif, unsigned bytes, unsigned flags, + unsigned *rvalue, void (*fn)()); + */ + +#ifdef _MSC_VER +PUBLIC ffi_call_win64 + +EXTRN __chkstk:NEAR +EXTRN ffi_closure_win64_inner:NEAR + +_TEXT SEGMENT + +;;; ffi_closure_win64 will be called with these registers set: +;;; rax points to 'closure' +;;; r11 contains a bit mask that specifies which of the +;;; first four parameters are float or double +;;; +;;; It must move the parameters passed in registers to their stack location, +;;; call ffi_closure_win64_inner for the actual work, then return the result. +;;; +ffi_closure_win64 PROC FRAME + ;; copy register arguments onto stack + test r11, 1 + jne first_is_float + mov QWORD PTR [rsp+8], rcx + jmp second +first_is_float: + movlpd QWORD PTR [rsp+8], xmm0 + +second: + test r11, 2 + jne second_is_float + mov QWORD PTR [rsp+16], rdx + jmp third +second_is_float: + movlpd QWORD PTR [rsp+16], xmm1 + +third: + test r11, 4 + jne third_is_float + mov QWORD PTR [rsp+24], r8 + jmp fourth +third_is_float: + movlpd QWORD PTR [rsp+24], xmm2 + +fourth: + test r11, 8 + jne fourth_is_float + mov QWORD PTR [rsp+32], r9 + jmp done +fourth_is_float: + movlpd QWORD PTR [rsp+32], xmm3 + +done: + .ALLOCSTACK 40 + sub rsp, 40 + .ENDPROLOG + mov rcx, rax ; context is first parameter + mov rdx, rsp ; stack is second parameter + add rdx, 48 ; point to start of arguments + mov rax, ffi_closure_win64_inner + call rax ; call the real closure function + add rsp, 40 + movd xmm0, rax ; If the closure returned a float, + ; ffi_closure_win64_inner wrote it to rax + ret 0 +ffi_closure_win64 ENDP + +ffi_call_win64 PROC FRAME + ;; copy registers onto stack + mov QWORD PTR [rsp+32], r9 + mov QWORD PTR [rsp+24], r8 + mov QWORD PTR [rsp+16], rdx + mov QWORD PTR [rsp+8], rcx + .PUSHREG rbp + push rbp + .ALLOCSTACK 48 + sub rsp, 48 ; 00000030H + .SETFRAME rbp, 32 + lea rbp, QWORD PTR [rsp+32] + .ENDPROLOG + + mov eax, DWORD PTR CIF_BYTES[rbp] + add rax, 15 + and rax, -16 + call __chkstk + sub rsp, rax + lea rax, QWORD PTR [rsp+32] + mov QWORD PTR STACK[rbp], rax + + mov rdx, QWORD PTR ECIF[rbp] + mov rcx, QWORD PTR STACK[rbp] + call QWORD PTR PREP_ARGS_FN[rbp] + + mov rsp, QWORD PTR STACK[rbp] + + movlpd xmm3, QWORD PTR [rsp+24] + movd r9, xmm3 + + movlpd xmm2, QWORD PTR [rsp+16] + movd r8, xmm2 + + movlpd xmm1, QWORD PTR [rsp+8] + movd rdx, xmm1 + + movlpd xmm0, QWORD PTR [rsp] + movd rcx, xmm0 + + call QWORD PTR FN[rbp] +ret_struct4b$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_4B + jne ret_struct2b$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov DWORD PTR [rcx], eax + jmp SHORT ret_void$ + +ret_struct2b$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_2B + jne ret_struct1b$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov WORD PTR [rcx], ax + jmp SHORT ret_void$ + +ret_struct1b$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_1B + jne ret_uint8$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov BYTE PTR [rcx], al + jmp SHORT ret_void$ + +ret_uint8$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT8 + jne ret_sint8$ + + mov rcx, QWORD PTR RVALUE[rbp] + movzx rax, al + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_sint8$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT8 + jne ret_uint16$ + + mov rcx, QWORD PTR RVALUE[rbp] + movsx rax, al + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_uint16$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT16 + jne ret_sint16$ + + mov rcx, QWORD PTR RVALUE[rbp] + movzx rax, ax + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_sint16$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT16 + jne ret_uint32$ + + mov rcx, QWORD PTR RVALUE[rbp] + movsx rax, ax + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_uint32$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT32 + jne ret_sint32$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov eax, eax + mov QWORD PTR [rcx], rax + +ret_void$: + xor rax, rax + + lea rsp, QWORD PTR [rbp+16] + pop rbp + ret 0 + +ret_sint32$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT32 + jne ret_float$ + + mov rcx, QWORD PTR RVALUE[rbp] + cdqe + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_float$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_FLOAT + jne SHORT ret_double$ + + mov rax, QWORD PTR RVALUE[rbp] + movss DWORD PTR [rax], xmm0 + jmp SHORT ret_void$ + +ret_double$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_DOUBLE + jne SHORT ret_uint64$ + + mov rax, QWORD PTR RVALUE[rbp] + movlpd QWORD PTR [rax], xmm0 + jmp SHORT ret_void$ + +ret_uint64$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT64 + jne SHORT ret_sint64$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_sint64$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT64 + jne SHORT ret_pointer$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_pointer$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_POINTER + jne SHORT ret_int$ + + mov rcx, QWORD PTR RVALUE[rbp] + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ + +ret_int$: + cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_INT + jne SHORT ret_void$ + + mov rcx, QWORD PTR RVALUE[rbp] + cdqe + mov QWORD PTR [rcx], rax + jmp SHORT ret_void$ +ffi_call_win64 ENDP +_TEXT ENDS +END + +#else + +#ifdef SYMBOL_UNDERSCORE +#define SYMBOL_NAME(name) _##name +#else +#define SYMBOL_NAME(name) name +#endif + +.text + +.extern SYMBOL_NAME(ffi_closure_win64_inner) + +# ffi_closure_win64 will be called with these registers set: +# rax points to 'closure' +# r11 contains a bit mask that specifies which of the +# first four parameters are float or double +# +# It must move the parameters passed in registers to their stack location, +# call ffi_closure_win64_inner for the actual work, then return the result. +# + .balign 16 + .globl SYMBOL_NAME(ffi_closure_win64) + .seh_proc SYMBOL_NAME(ffi_closure_win64) +SYMBOL_NAME(ffi_closure_win64): + # copy register arguments onto stack + test $1,%r11 + jne .Lfirst_is_float + mov %rcx, 8(%rsp) + jmp .Lsecond +.Lfirst_is_float: + movlpd %xmm0, 8(%rsp) + +.Lsecond: + test $2, %r11 + jne .Lsecond_is_float + mov %rdx, 16(%rsp) + jmp .Lthird +.Lsecond_is_float: + movlpd %xmm1, 16(%rsp) + +.Lthird: + test $4, %r11 + jne .Lthird_is_float + mov %r8,24(%rsp) + jmp .Lfourth +.Lthird_is_float: + movlpd %xmm2, 24(%rsp) + +.Lfourth: + test $8, %r11 + jne .Lfourth_is_float + mov %r9, 32(%rsp) + jmp .Ldone +.Lfourth_is_float: + movlpd %xmm3, 32(%rsp) + +.Ldone: + .seh_stackalloc 40 + sub $40, %rsp + .seh_endprologue + mov %rax, %rcx # context is first parameter + mov %rsp, %rdx # stack is second parameter + add $48, %rdx # point to start of arguments + leaq SYMBOL_NAME(ffi_closure_win64_inner)(%rip), %rax + callq *%rax # call the real closure function + add $40, %rsp + movq %rax, %xmm0 # If the closure returned a float, + # ffi_closure_win64_inner wrote it to rax + retq + .seh_endproc + + .balign 16 + .globl SYMBOL_NAME(ffi_call_win64) + .seh_proc SYMBOL_NAME(ffi_call_win64) +SYMBOL_NAME(ffi_call_win64): + # copy registers onto stack + mov %r9,32(%rsp) + mov %r8,24(%rsp) + mov %rdx,16(%rsp) + mov %rcx,8(%rsp) + .seh_pushreg rbp + push %rbp + .seh_stackalloc 48 + sub $48,%rsp + .seh_setframe rbp, 32 + lea 32(%rsp),%rbp + .seh_endprologue + + mov CIF_BYTES(%rbp),%eax + add $15, %rax + and $-16, %rax + cmpq $0x1000, %rax + jb Lch_done +Lch_probe: + subq $0x1000,%rsp + orl $0x0, (%rsp) + subq $0x1000,%rax + cmpq $0x1000,%rax + ja Lch_probe +Lch_done: + subq %rax, %rsp + orl $0x0, (%rsp) + lea 32(%rsp), %rax + mov %rax, STACK(%rbp) + + mov ECIF(%rbp), %rdx + mov STACK(%rbp), %rcx + callq *PREP_ARGS_FN(%rbp) + + mov STACK(%rbp), %rsp + + movlpd 24(%rsp), %xmm3 + movd %xmm3, %r9 + + movlpd 16(%rsp), %xmm2 + movd %xmm2, %r8 + + movlpd 8(%rsp), %xmm1 + movd %xmm1, %rdx + + movlpd (%rsp), %xmm0 + movd %xmm0, %rcx + + callq *FN(%rbp) +.Lret_struct4b: + cmpl $FFI_TYPE_SMALL_STRUCT_4B, CIF_FLAGS(%rbp) + jne .Lret_struct2b + + mov RVALUE(%rbp), %rcx + mov %eax, (%rcx) + jmp .Lret_void + +.Lret_struct2b: + cmpl $FFI_TYPE_SMALL_STRUCT_2B, CIF_FLAGS(%rbp) + jne .Lret_struct1b + + mov RVALUE(%rbp), %rcx + mov %ax, (%rcx) + jmp .Lret_void + +.Lret_struct1b: + cmpl $FFI_TYPE_SMALL_STRUCT_1B, CIF_FLAGS(%rbp) + jne .Lret_uint8 + + mov RVALUE(%rbp), %rcx + mov %al, (%rcx) + jmp .Lret_void + +.Lret_uint8: + cmpl $FFI_TYPE_UINT8, CIF_FLAGS(%rbp) + jne .Lret_sint8 + + mov RVALUE(%rbp), %rcx + movzbq %al, %rax + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_sint8: + cmpl $FFI_TYPE_SINT8, CIF_FLAGS(%rbp) + jne .Lret_uint16 + + mov RVALUE(%rbp), %rcx + movsbq %al, %rax + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_uint16: + cmpl $FFI_TYPE_UINT16, CIF_FLAGS(%rbp) + jne .Lret_sint16 + + mov RVALUE(%rbp), %rcx + movzwq %ax, %rax + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_sint16: + cmpl $FFI_TYPE_SINT16, CIF_FLAGS(%rbp) + jne .Lret_uint32 + + mov RVALUE(%rbp), %rcx + movswq %ax, %rax + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_uint32: + cmpl $FFI_TYPE_UINT32, CIF_FLAGS(%rbp) + jne .Lret_sint32 + + mov RVALUE(%rbp), %rcx + movl %eax, %eax + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_sint32: + cmpl $FFI_TYPE_SINT32, CIF_FLAGS(%rbp) + jne .Lret_float + + mov RVALUE(%rbp), %rcx + cltq + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_float: + cmpl $FFI_TYPE_FLOAT, CIF_FLAGS(%rbp) + jne .Lret_double + + mov RVALUE(%rbp), %rax + movss %xmm0, (%rax) + jmp .Lret_void + +.Lret_double: + cmpl $FFI_TYPE_DOUBLE, CIF_FLAGS(%rbp) + jne .Lret_uint64 + + mov RVALUE(%rbp), %rax + movlpd %xmm0, (%rax) + jmp .Lret_void + +.Lret_uint64: + cmpl $FFI_TYPE_UINT64, CIF_FLAGS(%rbp) + jne .Lret_sint64 + + mov RVALUE(%rbp), %rcx + mov %rax, (%rcx) + jmp .Lret_void + +.Lret_sint64: + cmpl $FFI_TYPE_SINT64, CIF_FLAGS(%rbp) + jne .Lret_pointer + + mov RVALUE(%rbp), %rcx + mov %rax, (%rcx) + jmp .Lret_void + +.Lret_pointer: + cmpl $FFI_TYPE_POINTER, CIF_FLAGS(%rbp) + jne .Lret_int + + mov RVALUE(%rbp), %rcx + mov %rax, (%rcx) + jmp .Lret_void + +.Lret_int: + cmpl $FFI_TYPE_INT, CIF_FLAGS(%rbp) + jne .Lret_void + + mov RVALUE(%rbp), %rcx + cltq + movq %rax, (%rcx) + jmp .Lret_void + +.Lret_void: + xor %rax, %rax + + lea 16(%rbp), %rsp + pop %rbp + retq + .seh_endproc +#endif /* !_MSC_VER */ + -- cgit v1.2.3