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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/ext/fiddle/libffi-3.2.1/src/m32r/sysv.S |
Fresh start
Diffstat (limited to 'jni/ruby/ext/fiddle/libffi-3.2.1/src/m32r/sysv.S')
-rw-r--r-- | jni/ruby/ext/fiddle/libffi-3.2.1/src/m32r/sysv.S | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/jni/ruby/ext/fiddle/libffi-3.2.1/src/m32r/sysv.S b/jni/ruby/ext/fiddle/libffi-3.2.1/src/m32r/sysv.S new file mode 100644 index 0000000..06b75c2 --- /dev/null +++ b/jni/ruby/ext/fiddle/libffi-3.2.1/src/m32r/sysv.S @@ -0,0 +1,121 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2004 Renesas Technology + + M32R 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 RENESAS TECHNOLOGY 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 <fficonfig.h> +#include <ffi.h> +#ifdef HAVE_MACHINE_ASM_H +#include <machine/asm.h> +#else +/* XXX these lose for some platforms, I'm sure. */ +#define CNAME(x) x +#define ENTRY(x) .globl CNAME(x)! .type CNAME(x),%function! CNAME(x): +#endif + +.text + + /* R0: ffi_prep_args */ + /* R1: &ecif */ + /* R2: cif->bytes */ + /* R3: fig->flags */ + /* sp+0: ecif.rvalue */ + /* sp+4: fn */ + + /* This assumes we are using gas. */ +ENTRY(ffi_call_SYSV) + /* Save registers. */ + push fp + push lr + push r3 + push r2 + push r1 + push r0 + mv fp, sp + + /* Make room for all of the new args. */ + sub sp, r2 + + /* Place all of the ffi_prep_args in position. */ + mv lr, r0 + mv r0, sp + /* R1 already set. */ + + /* And call. */ + jl lr + + /* Move first 4 parameters in registers... */ + ld r0, @(0,sp) + ld r1, @(4,sp) + ld r2, @(8,sp) + ld r3, @(12,sp) + + /* ...and adjust the stack. */ + ld lr, @(8,fp) + cmpi lr, #16 + bc adjust_stack + ldi lr, #16 +adjust_stack: + add sp, lr + + /* Call the function. */ + ld lr, @(28,fp) + jl lr + + /* Remove the space we pushed for the args. */ + mv sp, fp + + /* Load R2 with the pointer to storage for the return value. */ + ld r2, @(24,sp) + + /* Load R3 with the return type code. */ + ld r3, @(12,sp) + + /* If the return value pointer is NULL, assume no return value. */ + beqz r2, epilogue + + /* Return INT. */ + ldi r4, #FFI_TYPE_INT + bne r3, r4, return_double + st r0, @r2 + bra epilogue + +return_double: + /* Return DOUBLE or LONGDOUBLE. */ + ldi r4, #FFI_TYPE_DOUBLE + bne r3, r4, epilogue + st r0, @r2 + st r1, @(4,r2) + +epilogue: + pop r0 + pop r1 + pop r2 + pop r3 + pop lr + pop fp + jmp lr + +.ffi_call_SYSV_end: + .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) |