1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148
|
/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef JITStubsX86Common_h
#define JITStubsX86Common_h
#include "MacroAssembler.h"
#if !CPU(X86) && !CPU(X86_64)
#error "JITStubsX86Common.h should only be #included if CPU(X86) || CPU(X86_64)"
#endif
namespace JSC {
#if COMPILER(GCC)
#if USE(MASM_PROBE)
// The following are offsets for MacroAssembler::ProbeContext fields accessed
// by the ctiMasmProbeTrampoline stub.
#if CPU(X86)
#define PTR_SIZE 4
#else // CPU(X86_64)
#define PTR_SIZE 8
#endif
#define PROBE_PROBE_FUNCTION_OFFSET (0 * PTR_SIZE)
#define PROBE_ARG1_OFFSET (1 * PTR_SIZE)
#define PROBE_ARG2_OFFSET (2 * PTR_SIZE)
#define PROBE_CPU_EAX_OFFSET (4 * PTR_SIZE)
#define PROBE_CPU_EBX_OFFSET (5 * PTR_SIZE)
#define PROBE_CPU_ECX_OFFSET (6 * PTR_SIZE)
#define PROBE_CPU_EDX_OFFSET (7 * PTR_SIZE)
#define PROBE_CPU_ESI_OFFSET (8 * PTR_SIZE)
#define PROBE_CPU_EDI_OFFSET (9 * PTR_SIZE)
#define PROBE_CPU_EBP_OFFSET (10 * PTR_SIZE)
#define PROBE_CPU_ESP_OFFSET (11 * PTR_SIZE)
#if CPU(X86)
#define PROBE_FIRST_SPECIAL_OFFSET (12 * PTR_SIZE)
#else // CPU(X86_64)
#define PROBE_CPU_R8_OFFSET (12 * PTR_SIZE)
#define PROBE_CPU_R9_OFFSET (13 * PTR_SIZE)
#define PROBE_CPU_R10_OFFSET (14 * PTR_SIZE)
#define PROBE_CPU_R11_OFFSET (15 * PTR_SIZE)
#define PROBE_CPU_R12_OFFSET (16 * PTR_SIZE)
#define PROBE_CPU_R13_OFFSET (17 * PTR_SIZE)
#define PROBE_CPU_R14_OFFSET (18 * PTR_SIZE)
#define PROBE_CPU_R15_OFFSET (19 * PTR_SIZE)
#define PROBE_FIRST_SPECIAL_OFFSET (20 * PTR_SIZE)
#endif // CPU(X86_64)
#define PROBE_CPU_EIP_OFFSET (PROBE_FIRST_SPECIAL_OFFSET + (0 * PTR_SIZE))
#define PROBE_CPU_EFLAGS_OFFSET (PROBE_FIRST_SPECIAL_OFFSET + (1 * PTR_SIZE))
#if CPU(X86)
#define PROBE_FIRST_XMM_OFFSET (PROBE_FIRST_SPECIAL_OFFSET + (4 * PTR_SIZE)) // After padding.
#else // CPU(X86_64)
#define PROBE_FIRST_XMM_OFFSET (PROBE_FIRST_SPECIAL_OFFSET + (2 * PTR_SIZE)) // After padding.
#endif // CPU(X86_64)
#define XMM_SIZE 16
#define PROBE_CPU_XMM0_OFFSET (PROBE_FIRST_XMM_OFFSET + (0 * XMM_SIZE))
#define PROBE_CPU_XMM1_OFFSET (PROBE_FIRST_XMM_OFFSET + (1 * XMM_SIZE))
#define PROBE_CPU_XMM2_OFFSET (PROBE_FIRST_XMM_OFFSET + (2 * XMM_SIZE))
#define PROBE_CPU_XMM3_OFFSET (PROBE_FIRST_XMM_OFFSET + (3 * XMM_SIZE))
#define PROBE_CPU_XMM4_OFFSET (PROBE_FIRST_XMM_OFFSET + (4 * XMM_SIZE))
#define PROBE_CPU_XMM5_OFFSET (PROBE_FIRST_XMM_OFFSET + (5 * XMM_SIZE))
#define PROBE_CPU_XMM6_OFFSET (PROBE_FIRST_XMM_OFFSET + (6 * XMM_SIZE))
#define PROBE_CPU_XMM7_OFFSET (PROBE_FIRST_XMM_OFFSET + (7 * XMM_SIZE))
#define PROBE_SIZE (PROBE_CPU_XMM7_OFFSET + XMM_SIZE)
// These ASSERTs remind you that if you change the layout of ProbeContext,
// you need to change ctiMasmProbeTrampoline offsets above to match.
#define PROBE_OFFSETOF(x) offsetof(struct MacroAssembler::ProbeContext, x)
COMPILE_ASSERT(PROBE_OFFSETOF(probeFunction) == PROBE_PROBE_FUNCTION_OFFSET, ProbeContext_probeFunction_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(arg1) == PROBE_ARG1_OFFSET, ProbeContext_arg1_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(arg2) == PROBE_ARG2_OFFSET, ProbeContext_arg2_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.eax) == PROBE_CPU_EAX_OFFSET, ProbeContext_cpu_eax_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.ecx) == PROBE_CPU_ECX_OFFSET, ProbeContext_cpu_ecx_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.edx) == PROBE_CPU_EDX_OFFSET, ProbeContext_cpu_edx_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.ebx) == PROBE_CPU_EBX_OFFSET, ProbeContext_cpu_ebx_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.esp) == PROBE_CPU_ESP_OFFSET, ProbeContext_cpu_esp_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.ebp) == PROBE_CPU_EBP_OFFSET, ProbeContext_cpu_ebp_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.esi) == PROBE_CPU_ESI_OFFSET, ProbeContext_cpu_esi_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.edi) == PROBE_CPU_EDI_OFFSET, ProbeContext_cpu_edi_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.eip) == PROBE_CPU_EIP_OFFSET, ProbeContext_cpu_eip_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.eflags) == PROBE_CPU_EFLAGS_OFFSET, ProbeContext_cpu_eflags_offset_matches_ctiMasmProbeTrampoline);
#if CPU(X86_64)
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r8) == PROBE_CPU_R8_OFFSET, ProbeContext_cpu_r8_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r9) == PROBE_CPU_R9_OFFSET, ProbeContext_cpu_r9_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r10) == PROBE_CPU_R10_OFFSET, ProbeContext_cpu_r10_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r11) == PROBE_CPU_R11_OFFSET, ProbeContext_cpu_r11_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r12) == PROBE_CPU_R12_OFFSET, ProbeContext_cpu_r12_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r13) == PROBE_CPU_R13_OFFSET, ProbeContext_cpu_r13_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r14) == PROBE_CPU_R14_OFFSET, ProbeContext_cpu_r14_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.r15) == PROBE_CPU_R15_OFFSET, ProbeContext_cpu_r15_offset_matches_ctiMasmProbeTrampoline);
#endif // CPU(X86_64)
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm0) == PROBE_CPU_XMM0_OFFSET, ProbeContext_cpu_xmm0_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm1) == PROBE_CPU_XMM1_OFFSET, ProbeContext_cpu_xmm1_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm2) == PROBE_CPU_XMM2_OFFSET, ProbeContext_cpu_xmm2_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm3) == PROBE_CPU_XMM3_OFFSET, ProbeContext_cpu_xmm3_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm4) == PROBE_CPU_XMM4_OFFSET, ProbeContext_cpu_xmm4_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm5) == PROBE_CPU_XMM5_OFFSET, ProbeContext_cpu_xmm5_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm6) == PROBE_CPU_XMM6_OFFSET, ProbeContext_cpu_xmm6_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(PROBE_OFFSETOF(cpu.xmm7) == PROBE_CPU_XMM7_OFFSET, ProbeContext_cpu_xmm7_offset_matches_ctiMasmProbeTrampoline);
COMPILE_ASSERT(sizeof(MacroAssembler::ProbeContext) == PROBE_SIZE, ProbeContext_size_matches_ctiMasmProbeTrampoline);
// Also double check that the xmm registers are 16 byte (128-bit) aligned as
// required by the movdqa instruction used in the trampoline.
COMPILE_ASSERT(!(PROBE_OFFSETOF(cpu.xmm0) % 16), ProbeContext_xmm0_offset_not_aligned_properly);
#undef PROBE_OFFSETOF
#endif // USE(MASM_PROBE)
#endif // COMPILER(GCC)
} // namespace JSC
#endif // JITStubsX86Common
|