diff options
Diffstat (limited to 'Modules/_ctypes/libffi/src/vax/elfbsd.S')
| -rw-r--r-- | Modules/_ctypes/libffi/src/vax/elfbsd.S | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/Modules/_ctypes/libffi/src/vax/elfbsd.S b/Modules/_ctypes/libffi/src/vax/elfbsd.S deleted file mode 100644 index 01ca313402..0000000000 --- a/Modules/_ctypes/libffi/src/vax/elfbsd.S +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (c) 2013 Miodrag Vallat. <miod@openbsd.org> - * - * 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. - */ - -/* - * vax Foreign Function Interface - */ - -#define LIBFFI_ASM -#include <fficonfig.h> -#include <ffi.h> - - .text - -/* - * void * %r0 - * ffi_call_elfbsd(extended_cif *ecif, 4(%ap) - * unsigned bytes, 8(%ap) - * unsigned flags, 12(%ap) - * void *rvalue, 16(%ap) - * void (*fn)()); 20(%ap) - */ - .globl ffi_call_elfbsd - .type ffi_call_elfbsd,@function - .align 2 -ffi_call_elfbsd: - .word 0x00c # save R2 and R3 - - # Allocate stack space for the args - subl2 8(%ap), %sp - - # Call ffi_prep_args - pushl %sp - pushl 4(%ap) - calls $2, ffi_prep_args - - # Get function pointer - movl 20(%ap), %r1 - - # Build a CALLS frame - ashl $-2, 8(%ap), %r0 - pushl %r0 # argument stack usage - movl %sp, %r0 # future %ap - # saved registers - bbc $11, 0(%r1), 1f - pushl %r11 -1: bbc $10, 0(%r1), 1f - pushl %r10 -1: bbc $9, 0(%r1), 1f - pushl %r9 -1: bbc $8, 0(%r1), 1f - pushl %r8 -1: bbc $7, 0(%r1), 1f - pushl %r7 -1: bbc $6, 0(%r1), 1f - pushl %r6 -1: bbc $5, 0(%r1), 1f - pushl %r5 -1: bbc $4, 0(%r1), 1f - pushl %r4 -1: bbc $3, 0(%r1), 1f - pushl %r3 -1: bbc $2, 0(%r1), 1f - pushl %r2 -1: - pushal 9f - pushl %fp - pushl %ap - movl 16(%ap), %r3 # struct return address, if needed - movl %r0, %ap - movzwl 4(%fp), %r0 # previous PSW, without the saved registers mask - bisl2 $0x20000000, %r0 # calls frame - movzwl 0(%r1), %r2 - bicw2 $0xf003, %r2 # only keep R11-R2 - ashl $16, %r2, %r2 - bisl2 %r2, %r0 # saved register mask of the called function - pushl %r0 - pushl $0 - movl %sp, %fp - - # Invoke the function - pushal 2(%r1) # skip procedure entry mask - movl %r3, %r1 - bicpsw $0x000f - rsb - -9: - # Copy return value if necessary - tstl 16(%ap) - jeql 9f - movl 16(%ap), %r2 - - bbc $0, 12(%ap), 1f # CIF_FLAGS_CHAR - movb %r0, 0(%r2) - brb 9f -1: - bbc $1, 12(%ap), 1f # CIF_FLAGS_SHORT - movw %r0, 0(%r2) - brb 9f -1: - bbc $2, 12(%ap), 1f # CIF_FLAGS_INT - movl %r0, 0(%r2) - brb 9f -1: - bbc $3, 12(%ap), 1f # CIF_FLAGS_DINT - movq %r0, 0(%r2) - brb 9f -1: - movl %r1, %r0 # might have been a struct - #brb 9f - -9: - ret - -/* - * ffi_closure_elfbsd(void); - * invoked with %r0: ffi_closure *closure - */ - .globl ffi_closure_elfbsd - .type ffi_closure_elfbsd, @function - .align 2 -ffi_closure_elfbsd: - .word 0 - - # Allocate room on stack for return value - subl2 $8, %sp - - # Invoke the closure function - pushal 4(%ap) # calling stack - pushal 4(%sp) # return value - pushl %r0 # closure - calls $3, ffi_closure_elfbsd_inner - - # Copy return value if necessary - bitb $1, %r0 # CIF_FLAGS_CHAR - beql 1f - movb 0(%sp), %r0 - brb 9f -1: - bitb $2, %r0 # CIF_FLAGS_SHORT - beql 1f - movw 0(%sp), %r0 - brb 9f -1: - bitb $4, %r0 # CIF_FLAGS_INT - beql 1f - movl 0(%sp), %r0 - brb 9f -1: - bitb $8, %r0 # CIF_FLAGS_DINT - beql 1f - movq 0(%sp), %r0 - #brb 9f -1: - -9: - ret - -/* - * ffi_closure_struct_elfbsd(void); - * invoked with %r0: ffi_closure *closure - * %r1: struct return address - */ - .globl ffi_closure_struct_elfbsd - .type ffi_closure_struct_elfbsd, @function - .align 2 -ffi_closure_struct_elfbsd: - .word 0 - - # Invoke the closure function - pushal 4(%ap) # calling stack - pushl %r1 # return value - pushl %r0 # closure - calls $3, ffi_closure_elfbsd_inner - - ret |