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/mips/n32.S | 576 ++++++++++++++++++++++++ 1 file changed, 576 insertions(+) create mode 100644 jni/ruby/ext/fiddle/libffi-3.2.1/src/mips/n32.S (limited to 'jni/ruby/ext/fiddle/libffi-3.2.1/src/mips/n32.S') diff --git a/jni/ruby/ext/fiddle/libffi-3.2.1/src/mips/n32.S b/jni/ruby/ext/fiddle/libffi-3.2.1/src/mips/n32.S new file mode 100644 index 0000000..c6985d3 --- /dev/null +++ b/jni/ruby/ext/fiddle/libffi-3.2.1/src/mips/n32.S @@ -0,0 +1,576 @@ +/* ----------------------------------------------------------------------- + n32.S - Copyright (c) 1996, 1998, 2005, 2007, 2009, 2010 Red Hat, Inc. + + MIPS Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include +#include + +/* Only build this code if we are compiling for n32 */ + +#if defined(FFI_MIPS_N32) + +#define callback a0 +#define bytes a2 +#define flags a3 +#define raddr a4 +#define fn a5 + +#define SIZEOF_FRAME ( 8 * FFI_SIZEOF_ARG ) + +#ifdef __GNUC__ + .abicalls +#endif + .set mips4 + .text + .align 2 + .globl ffi_call_N32 + .ent ffi_call_N32 +ffi_call_N32: +.LFB3: + .frame $fp, SIZEOF_FRAME, ra + .mask 0xc0000000,-FFI_SIZEOF_ARG + .fmask 0x00000000,0 + + # Prologue + SUBU $sp, SIZEOF_FRAME # Frame size +.LCFI0: + REG_S $fp, SIZEOF_FRAME - 2*FFI_SIZEOF_ARG($sp) # Save frame pointer + REG_S ra, SIZEOF_FRAME - 1*FFI_SIZEOF_ARG($sp) # Save return address +.LCFI1: + move $fp, $sp +.LCFI3: + move t9, callback # callback function pointer + REG_S bytes, 2*FFI_SIZEOF_ARG($fp) # bytes + REG_S flags, 3*FFI_SIZEOF_ARG($fp) # flags + REG_S raddr, 4*FFI_SIZEOF_ARG($fp) # raddr + REG_S fn, 5*FFI_SIZEOF_ARG($fp) # fn + + # Allocate at least 4 words in the argstack + move v0, bytes + bge bytes, 4 * FFI_SIZEOF_ARG, bigger + LI v0, 4 * FFI_SIZEOF_ARG + b sixteen + + bigger: + ADDU t4, v0, 2 * FFI_SIZEOF_ARG -1 # make sure it is aligned + and v0, t4, -2 * FFI_SIZEOF_ARG # to a proper boundry. + +sixteen: + SUBU $sp, $sp, v0 # move the stack pointer to reflect the + # arg space + + move a0, $sp # 4 * FFI_SIZEOF_ARG + ADDU a3, $fp, 3 * FFI_SIZEOF_ARG + + # Call ffi_prep_args + jal t9 + + # Copy the stack pointer to t9 + move t9, $sp + + # Fix the stack if there are more than 8 64bit slots worth + # of arguments. + + # Load the number of bytes + REG_L t6, 2*FFI_SIZEOF_ARG($fp) + + # Is it bigger than 8 * FFI_SIZEOF_ARG? + daddiu t8, t6, -(8 * FFI_SIZEOF_ARG) + bltz t8, loadregs + + ADDU t9, t9, t8 + +loadregs: + + REG_L t6, 3*FFI_SIZEOF_ARG($fp) # load the flags word into t6. + + and t4, t6, ((1<