;*****************************************************************************
;* Copyright (C) 2005-2008 x264 project
;*
-;* Authors: Andrew Dunstan
-;*
;* This program is free software; you can redistribute it and/or modify
;* it under the terms of the GNU General Public License as published by
;* the Free Software Foundation; either version 2 of the License, or
%endif
%endmacro
-%macro pad 1
- %undef %1
- %ifdef PREFIX
- %define %1 _%1
- %endif
- %ifdef WIN64
- times 6 nop
- align 16
- %1
- .startfunc
- %assign unwindcount 0
- %assign framereg 0
- %else
- align 16
- %1
- %endif
-%endmacro
-
-%ifdef WIN64
-
-%define __PIC__
-
-%define parm1q rcx
-%define parm2q rdx
-%define parm3q r8
-%define parm4q r9
-%define parm5q [rsp+40]
-%define parm6q [rsp+48]
-%define parm7q [rsp+56]
-%define parm8q [rsp+64]
-%define parm1d ecx
-%define parm2d edx
-%define parm3d r8d
-%define parm4d r9d
-%define parm5d dword parm5q
-%define parm6d dword parm6q
-%define parm7d dword parm7q
-%define parm8d dword parm8q
-
-%define temp1q rdi
-%define temp2q rsi
-%define temp1d edi
-%define temp2d esi
-
-%macro firstpush 1
- db 0x48
- push %1
-%endmacro
-
-%define unwindcode(count, code) .unwind %+ count EQU code
-
-%define regcoderax 0
-%define regcodercx 1
-%define regcoderdx 2
-%define regcoderbx 3
-%define regcodersp 4
-%define regcoderbp 5
-%define regcodersi 6
-%define regcoderdi 7
-%define regcoder8 8
-%define regcoder9 9
-%define regcoder10 10
-%define regcoder11 11
-%define regcoder12 12
-%define regcoder13 13
-%define regcoder14 14
-%define regcoder15 15
-%define regcodexmm0 0
-%define regcodexmm1 1
-%define regcodexmm2 2
-%define regcodexmm3 3
-%define regcodexmm4 4
-%define regcodexmm5 5
-%define regcodexmm6 6
-%define regcodexmm7 7
-%define regcodexmm8 8
-%define regcodexmm9 9
-%define regcodexmm10 10
-%define regcodexmm11 11
-%define regcodexmm12 12
-%define regcodexmm13 13
-%define regcodexmm14 14
-%define regcodexmm15 15
-
-%macro allocstack 1
- %if %1 < 8
- %error Stack Allocation must be at least 8 bytes.
- %elif %1 < 129
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + 0x200 + (((%1-8)/8)<<12))
- %elif %1 < 524288
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %1/8)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + 0x100)
- %else
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %1>>16)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %1 & 0x0000FFFF)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + 0x1100)
- %endif
-%endmacro
-
-%macro pushreg 1
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + 0 + (regcode%1 << 12))
-%endmacro
-
-%macro setframe 2
- %if ((%2 % 16) | (%2 > 240) | (%2 < 0))
- %error Frame offset must be a multiple of 16 between 0 and 240.
- %endif
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + (3 << 8 )+ (regcode%1 << 12))
- %assign framereg regcode%1 + %2
-%endmacro
-
-%macro savereg 2
- %if ((%2 % 8) | (%2 < 0))
- %error Offset must be a positive multiple of 8.
- %endif
- %if (%2 < 64504)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %2/8)
- %assign unwindcount unwindcount +1
- unwindcode(unwindcount, $-.startfunc + (4 << 8) + (regcode%1 << 12))
- %else
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %2 >> 16)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %2 & 0x0000FFFF)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + (5 << 8) + (regcode%1 << 12))
- %endif
-%endmacro
-
-%macro savexmm128 2
- %if ((%2 % 16) | (%2 < 0))
- %error Offset must be a positive multiple of 16.
- %endif
- %if (%2 < 64512)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %2/16)
- %assign unwindcount unwindcount +1
- unwindcode(unwindcount, $-.startfunc + (8 << 8) + (regcode%1 << 12))
- %else
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %2 >> 16)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, %2 & 0x0000FFFF)
- %assign unwindcount unwindcount+1
- unwindcode(unwindcount, $-.startfunc + (9 << 8) + (regcode%1 << 12))
- %endif
-%endmacro
-
-%macro endprolog 0
-.endprolog:
-SECTION .xdata
-.unwindinfo:
- db 0x01
- db .endprolog-.startfunc
- db unwindcount
- db framereg
- %rep unwindcount
- dw .unwind %+ unwindcount
- %assign unwindcount unwindcount-1
- %endrep
-align 4,db 0
-SECTION .text
-%endmacro
-
-%macro endfunc 0
-.endfunc:
-SECTION .pdata
- dd .startfunc
- dd .endfunc
- dd .unwindinfo
-SECTION .text
-%endmacro
-
-%else ;linux
-%define parm1q rdi
-%define parm2q rsi
-%define parm3q rdx
-%define parm4q rcx
-%define parm5q r8
-%define parm6q r9
-%define parm7q [rsp+8]
-%define parm8q [rsp+16]
-%define parm1d edi
-%define parm2d esi
-%define parm3d edx
-%define parm4d ecx
-%define parm5d r8d
-%define parm6d r9d
-%define parm7d dword parm7q
-%define parm8d dword parm8q
-
-%define temp1q r9
-%define temp2q r8
-%define temp1d r9d
-%define temp2d r8d
-
-%macro allocstack 1
-%endmacro
-
-%macro firstpush 1
- push %1
-%endmacro
-
-%macro pushreg 1
-%endmacro
-
-%macro setframe 2
-%endmacro
-
-%macro savereg 2
-%endmacro
-
-%macro savexmm128 2
-%endmacro
-
-%define endprolog
-%define endfunc
-
-%endif ;linux
-
; PIC support macros. On x86_64 we just use RIP-relative addressing, which is
; much simpler than the GOT handling we need to perform on x86.
;
;* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
;*****************************************************************************
-%ifdef WIN64
-%define ARCH_X86_64
-%endif
-
%ifdef ARCH_X86_64
%include "x86inc-64.asm"
%else
%endif
%endmacro
-%ifdef WIN64 ;================================================================
-
-DECLARE_REG 0, rcx, ecx, cx, cl, ecx
-DECLARE_REG 1, rdx, edx, dx, dl, edx
-DECLARE_REG 2, r8, r8d, r8w, r8b, r8d
-DECLARE_REG 3, r9, r9d, r9w, r9b, r9d
-DECLARE_REG 4, rdi, edi, di, dil, [rsp + stack_offset + 40]
-DECLARE_REG 5, rsi, esi, si, sil, [rsp + stack_offset + 48]
-DECLARE_REG 6, rax, eax, ax, al, [rsp + stack_offset + 56]
-%define r7m [rsp + stack_offset + 64]
-
-%macro LOAD_IF_USED 2 ; reg_id, number_of_args
- %if %1 < %2
- mov r%1, [rsp + 8 + %1*8]
- %endif
-%endmacro
-
-%macro PROLOGUE 3
- ASSERT %2 >= %1
- ASSERT %2 <= 7
- %assign stack_offset 0
- LOAD_IF_USED 4, %1
- LOAD_IF_USED 5, %1
- LOAD_IF_USED 6, %1
-%endmacro
-
-%macro RET 0
- ret
-%endmacro
-
-%macro REP_RET 0
- rep ret
-%endmacro
-
-%elifdef ARCH_X86_64 ;========================================================
+%ifdef ARCH_X86_64 ;========================================================
DECLARE_REG 0, rdi, edi, di, dil, edi
DECLARE_REG 1, rsi, esi, si, sil, esi
global %1
%endif
%endif
-%ifdef WIN64
- %define %1 pad %1
-%endif
align function_align
%1:
RESET_MM_PERMUTATION ; not really needed, but makes disassembly somewhat nicer
projects / libx264 / commitdiff