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127 lines
4.8 KiB
127 lines
4.8 KiB
/*
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* jit-rules-x86-64.h - Rules that define the characteristics of the x86_64.
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*
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* Copyright (C) 2008 Southern Storm Software, Pty Ltd.
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*
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* This file is part of the libjit library.
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*
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* The libjit library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* The libjit library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the libjit library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef _JIT_RULES_X86_64_H
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#define _JIT_RULES_X86_64_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Information about all of the registers, in allocation order.
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*/
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#define JIT_REG_X86_64_FLOAT \
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(JIT_REG_FLOAT32 | JIT_REG_FLOAT64 | JIT_REG_NFLOAT)
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#define JIT_REG_X86_64_XMM \
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(JIT_REG_FLOAT32 | JIT_REG_FLOAT64)
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#define JIT_REG_X86_64_GENERAL \
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(JIT_REG_WORD | JIT_REG_LONG)
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#define JIT_REG_INFO \
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{"rax", 0, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"rcx", 1, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"rdx", 2, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"rbx", 3, -1, JIT_REG_X86_64_GENERAL | JIT_REG_GLOBAL}, \
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{"rsi", 6, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"rdi", 7, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"r8", 8, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"r9", 9, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"r10", 10, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"r11", 11, -1, JIT_REG_X86_64_GENERAL | JIT_REG_CALL_USED}, \
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{"r12", 12, -1, JIT_REG_X86_64_GENERAL | JIT_REG_GLOBAL}, \
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{"r13", 13, -1, JIT_REG_X86_64_GENERAL | JIT_REG_GLOBAL}, \
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{"r14", 14, -1, JIT_REG_X86_64_GENERAL | JIT_REG_GLOBAL}, \
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{"r15", 15, -1, JIT_REG_X86_64_GENERAL | JIT_REG_GLOBAL}, \
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{"rbp", 5, -1, JIT_REG_FRAME | JIT_REG_FIXED | JIT_REG_CALL_USED}, \
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{"rsp", 4, -1, JIT_REG_STACK_PTR | JIT_REG_FIXED | JIT_REG_CALL_USED}, \
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{"xmm0", 0, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm1", 1, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm2", 2, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm3", 3, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm4", 4, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm5", 5, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm6", 6, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm7", 7, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm8", 8, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm9", 9, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm10", 10, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm11", 11, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm12", 12, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm13", 13, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm14", 14, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"xmm15", 15, -1, JIT_REG_X86_64_XMM | JIT_REG_CALL_USED}, \
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{"st0", 0, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st1", 1, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st2", 2, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st3", 3, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st4", 4, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st5", 5, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st6", 6, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK}, \
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{"st7", 7, -1, JIT_REG_X86_64_FLOAT | JIT_REG_CALL_USED | JIT_REG_IN_STACK},
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#define JIT_NUM_REGS 40
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#define JIT_NUM_GLOBAL_REGS 5
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#define JIT_REG_STACK 1
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#define JIT_REG_STACK_START 32
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#define JIT_REG_STACK_END 39
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/*
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* Define to 1 if we should always load values into registers
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* before operating on them. i.e. the CPU does not have reg-mem
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* and mem-reg addressing modes.
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*/
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#define JIT_ALWAYS_REG_REG 0
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/*
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* The maximum number of bytes to allocate for the prolog.
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* This may be shortened once we know the true prolog size.
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*/
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#define JIT_PROLOG_SIZE 64
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/*
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* Preferred alignment for the start of functions.
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*/
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#define JIT_FUNCTION_ALIGNMENT 32
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/*
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* Define this to 1 if the platform allows reads and writes on
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* any byte boundary. Define to 0 if only properly-aligned
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* memory accesses are allowed.
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*/
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#define JIT_ALIGN_OVERRIDES 1
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/*
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* Parameter passing rules.
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*/
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#define JIT_INITIAL_STACK_OFFSET (2 * sizeof(void *))
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#define JIT_INITIAL_FRAME_SIZE 0
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/*
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* We are using the param area on x86_64
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*/
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#define JIT_USE_PARAM_AREA
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#ifdef __cplusplus
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};
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#endif
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#endif /* _JIT_RULES_X86_64_H */
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