From f19f813537c7aea1c20749c914e756b54a9c3cf5 Mon Sep 17 00:00:00 2001 From: Igor Pavlov <87184205+ip7z@users.noreply.github.com> Date: Mon, 27 Dec 2021 00:00:00 +0000 Subject: '21.07' --- Asm/x86/7zAsm.asm | 284 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 284 insertions(+) create mode 100644 Asm/x86/7zAsm.asm (limited to 'Asm/x86/7zAsm.asm') diff --git a/Asm/x86/7zAsm.asm b/Asm/x86/7zAsm.asm new file mode 100644 index 0000000..6275bb7 --- /dev/null +++ b/Asm/x86/7zAsm.asm @@ -0,0 +1,284 @@ +; 7zAsm.asm -- ASM macros +; 2021-12-25 : Igor Pavlov : Public domain + + +ifdef @wordsize +; @wordsize is defined only in JWASM and ASMC and is not defined in MASM +; @wordsize eq 8 for 64-bit x64 +; @wordsize eq 2 for 32-bit x86 +if @wordsize eq 8 + x64 equ 1 +endif +else +ifdef RAX + x64 equ 1 +endif +endif + + +ifdef x64 + IS_X64 equ 1 +else + IS_X64 equ 0 +endif + +ifdef ABI_LINUX + IS_LINUX equ 1 +else + IS_LINUX equ 0 +endif + +ifndef x64 +; Use ABI_CDECL for x86 (32-bit) only +; if ABI_CDECL is not defined, we use fastcall abi +ifdef ABI_CDECL + IS_CDECL equ 1 +else + IS_CDECL equ 0 +endif +endif + +OPTION PROLOGUE:NONE +OPTION EPILOGUE:NONE + +MY_ASM_START macro + ifdef x64 + .code + else + .386 + .model flat + _TEXT$00 SEGMENT PARA PUBLIC 'CODE' + endif +endm + +MY_PROC macro name:req, numParams:req + align 16 + proc_numParams = numParams + if (IS_X64 gt 0) + proc_name equ name + elseif (IS_LINUX gt 0) + proc_name equ name + elseif (IS_CDECL gt 0) + proc_name equ @CatStr(_,name) + else + proc_name equ @CatStr(@,name,@, %numParams * 4) + endif + proc_name PROC +endm + +MY_ENDP macro + if (IS_X64 gt 0) + ret + elseif (IS_CDECL gt 0) + ret + elseif (proc_numParams LT 3) + ret + else + ret (proc_numParams - 2) * 4 + endif + proc_name ENDP +endm + + +ifdef x64 + REG_SIZE equ 8 + REG_LOGAR_SIZE equ 3 +else + REG_SIZE equ 4 + REG_LOGAR_SIZE equ 2 +endif + + x0 equ EAX + x1 equ ECX + x2 equ EDX + x3 equ EBX + x4 equ ESP + x5 equ EBP + x6 equ ESI + x7 equ EDI + + x0_W equ AX + x1_W equ CX + x2_W equ DX + x3_W equ BX + + x5_W equ BP + x6_W equ SI + x7_W equ DI + + x0_L equ AL + x1_L equ CL + x2_L equ DL + x3_L equ BL + + x0_H equ AH + x1_H equ CH + x2_H equ DH + x3_H equ BH + +ifdef x64 + x5_L equ BPL + x6_L equ SIL + x7_L equ DIL + + r0 equ RAX + r1 equ RCX + r2 equ RDX + r3 equ RBX + r4 equ RSP + r5 equ RBP + r6 equ RSI + r7 equ RDI + x8 equ r8d + x9 equ r9d + x10 equ r10d + x11 equ r11d + x12 equ r12d + x13 equ r13d + x14 equ r14d + x15 equ r15d +else + r0 equ x0 + r1 equ x1 + r2 equ x2 + r3 equ x3 + r4 equ x4 + r5 equ x5 + r6 equ x6 + r7 equ x7 +endif + + +ifdef x64 +ifdef ABI_LINUX + +MY_PUSH_2_REGS macro + push r3 + push r5 +endm + +MY_POP_2_REGS macro + pop r5 + pop r3 +endm + +endif +endif + + +MY_PUSH_4_REGS macro + push r3 + push r5 + push r6 + push r7 +endm + +MY_POP_4_REGS macro + pop r7 + pop r6 + pop r5 + pop r3 +endm + + +; for fastcall and for WIN-x64 +REG_PARAM_0_x equ x1 +REG_PARAM_0 equ r1 +REG_PARAM_1_x equ x2 +REG_PARAM_1 equ r2 + +ifndef x64 +; for x86-fastcall + +REG_ABI_PARAM_0_x equ REG_PARAM_0_x +REG_ABI_PARAM_0 equ REG_PARAM_0 +REG_ABI_PARAM_1_x equ REG_PARAM_1_x +REG_ABI_PARAM_1 equ REG_PARAM_1 + +else +; x64 + +if (IS_LINUX eq 0) + +; for WIN-x64: +REG_PARAM_2_x equ x8 +REG_PARAM_2 equ r8 +REG_PARAM_3 equ r9 + +REG_ABI_PARAM_0_x equ REG_PARAM_0_x +REG_ABI_PARAM_0 equ REG_PARAM_0 +REG_ABI_PARAM_1_x equ REG_PARAM_1_x +REG_ABI_PARAM_1 equ REG_PARAM_1 +REG_ABI_PARAM_2_x equ REG_PARAM_2_x +REG_ABI_PARAM_2 equ REG_PARAM_2 +REG_ABI_PARAM_3 equ REG_PARAM_3 + +else +; for LINUX-x64: +REG_LINUX_PARAM_0_x equ x7 +REG_LINUX_PARAM_0 equ r7 +REG_LINUX_PARAM_1_x equ x6 +REG_LINUX_PARAM_1 equ r6 +REG_LINUX_PARAM_2 equ r2 +REG_LINUX_PARAM_3 equ r1 +REG_LINUX_PARAM_4_x equ x8 +REG_LINUX_PARAM_4 equ r8 +REG_LINUX_PARAM_5 equ r9 + +REG_ABI_PARAM_0_x equ REG_LINUX_PARAM_0_x +REG_ABI_PARAM_0 equ REG_LINUX_PARAM_0 +REG_ABI_PARAM_1_x equ REG_LINUX_PARAM_1_x +REG_ABI_PARAM_1 equ REG_LINUX_PARAM_1 +REG_ABI_PARAM_2 equ REG_LINUX_PARAM_2 +REG_ABI_PARAM_3 equ REG_LINUX_PARAM_3 +REG_ABI_PARAM_4_x equ REG_LINUX_PARAM_4_x +REG_ABI_PARAM_4 equ REG_LINUX_PARAM_4 +REG_ABI_PARAM_5 equ REG_LINUX_PARAM_5 + +MY_ABI_LINUX_TO_WIN_2 macro + mov r2, r6 + mov r1, r7 +endm + +MY_ABI_LINUX_TO_WIN_3 macro + mov r8, r2 + mov r2, r6 + mov r1, r7 +endm + +MY_ABI_LINUX_TO_WIN_4 macro + mov r9, r1 + mov r8, r2 + mov r2, r6 + mov r1, r7 +endm + +endif ; IS_LINUX + + +MY_PUSH_PRESERVED_ABI_REGS macro + if (IS_LINUX gt 0) + MY_PUSH_2_REGS + else + MY_PUSH_4_REGS + endif + push r12 + push r13 + push r14 + push r15 +endm + + +MY_POP_PRESERVED_ABI_REGS macro + pop r15 + pop r14 + pop r13 + pop r12 + if (IS_LINUX gt 0) + MY_POP_2_REGS + else + MY_POP_4_REGS + endif +endm + +endif ; x64 -- cgit v1.2.3-55-g6feb