1/* 2 Copyright Oliver Kowalke 2009. 3 Copyright Thomas Sailer 2013. 4 Distributed under the Boost Software License, Version 1.0. 5 (See accompanying file LICENSE_1_0.txt or copy at 6 http://www.boost.org/LICENSE_1_0.txt) 7*/ 8 9/************************************************************************************* 10* ---------------------------------------------------------------------------------- * 11* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | * 12* ---------------------------------------------------------------------------------- * 13* | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | * 14* ---------------------------------------------------------------------------------- * 15* | SEE registers (XMM6-XMM15) | * 16* ---------------------------------------------------------------------------------- * 17* ---------------------------------------------------------------------------------- * 18* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | * 19* ---------------------------------------------------------------------------------- * 20* | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | * 21* ---------------------------------------------------------------------------------- * 22* | SEE registers (XMM6-XMM15) | * 23* ---------------------------------------------------------------------------------- * 24* ---------------------------------------------------------------------------------- * 25* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | * 26* ---------------------------------------------------------------------------------- * 27* | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c | * 28* ---------------------------------------------------------------------------------- * 29* | SEE registers (XMM6-XMM15) | * 30* ---------------------------------------------------------------------------------- * 31* ---------------------------------------------------------------------------------- * 32* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | * 33* ---------------------------------------------------------------------------------- * 34* | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c | * 35* ---------------------------------------------------------------------------------- * 36* | SEE registers (XMM6-XMM15) | * 37* ---------------------------------------------------------------------------------- * 38* ---------------------------------------------------------------------------------- * 39* | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | * 40* ---------------------------------------------------------------------------------- * 41* | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c | * 42* ---------------------------------------------------------------------------------- * 43* | SEE registers (XMM6-XMM15) | * 44* ---------------------------------------------------------------------------------- * 45* ---------------------------------------------------------------------------------- * 46* | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | * 47* ---------------------------------------------------------------------------------- * 48* | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc | * 49* ---------------------------------------------------------------------------------- * 50* | fc_mxcsr|fc_x87_cw| <alignment> | fbr_strg | fc_dealloc | * 51* ---------------------------------------------------------------------------------- * 52* ---------------------------------------------------------------------------------- * 53* | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | * 54* ---------------------------------------------------------------------------------- * 55* | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc | * 56* ---------------------------------------------------------------------------------- * 57* | limit | base | R12 | R13 | * 58* ---------------------------------------------------------------------------------- * 59* ---------------------------------------------------------------------------------- * 60* | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | * 61* ---------------------------------------------------------------------------------- * 62* | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc | * 63* ---------------------------------------------------------------------------------- * 64* | R14 | R15 | RDI | RSI | * 65* ---------------------------------------------------------------------------------- * 66* ---------------------------------------------------------------------------------- * 67* | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | * 68* ---------------------------------------------------------------------------------- * 69* | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c | * 70* ---------------------------------------------------------------------------------- * 71* | RBX | RBP | hidden | RIP | * 72* ---------------------------------------------------------------------------------- * 73* ---------------------------------------------------------------------------------- * 74* | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | * 75* ---------------------------------------------------------------------------------- * 76* | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c | * 77* ---------------------------------------------------------------------------------- * 78* | parameter area | * 79* ---------------------------------------------------------------------------------- * 80* ---------------------------------------------------------------------------------- * 81* | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | * 82* ---------------------------------------------------------------------------------- * 83* | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c | * 84* ---------------------------------------------------------------------------------- * 85* | FCTX | DATA | | * 86* ---------------------------------------------------------------------------------- * 87**************************************************************************************/ 88 89.file "jump_x86_64_ms_pe_clang_gas.S" 90.text 91.p2align 4,,15 92.globl jump_fcontext 93.def jump_fcontext; .scl 2; .type 32; .endef 94.seh_proc jump_fcontext 95jump_fcontext: 96.seh_endprologue 97 98 leaq -0x118(%rsp), %rsp /* prepare stack */ 99 100#if !defined(BOOST_USE_TSX) 101 /* save XMM storage */ 102 movaps %xmm6, 0x0(%rsp) 103 movaps %xmm7, 0x10(%rsp) 104 movaps %xmm8, 0x20(%rsp) 105 movaps %xmm9, 0x30(%rsp) 106 movaps %xmm10, 0x40(%rsp) 107 movaps %xmm11, 0x50(%rsp) 108 movaps %xmm12, 0x60(%rsp) 109 movaps %xmm13, 0x70(%rsp) 110 movaps %xmm14, 0x80(%rsp) 111 movaps %xmm15, 0x90(%rsp) 112 stmxcsr 0xa0(%rsp) /* save MMX control- and status-word */ 113 fnstcw 0xa4(%rsp) /* save x87 control-word */ 114#endif 115 116 /* load NT_TIB */ 117 movq %gs:(0x30), %r10 118 /* save fiber local storage */ 119 movq 0x20(%r10), %rax 120 movq %rax, 0xb0(%rsp) 121 /* save current deallocation stack */ 122 movq 0x1478(%r10), %rax 123 movq %rax, 0xb8(%rsp) 124 /* save current stack limit */ 125 movq 0x10(%r10), %rax 126 movq %rax, 0xc0(%rsp) 127 /* save current stack base */ 128 movq 0x08(%r10), %rax 129 movq %rax, 0xc8(%rsp) 130 131 movq %r12, 0xd0(%rsp) /* save R12 */ 132 movq %r13, 0xd8(%rsp) /* save R13 */ 133 movq %r14, 0xe0(%rsp) /* save R14 */ 134 movq %r15, 0xe8(%rsp) /* save R15 */ 135 movq %rdi, 0xf0(%rsp) /* save RDI */ 136 movq %rsi, 0xf8(%rsp) /* save RSI */ 137 movq %rbx, 0x100(%rsp) /* save RBX */ 138 movq %rbp, 0x108(%rsp) /* save RBP */ 139 140 movq %rcx, 0x110(%rsp) /* save hidden address of transport_t */ 141 142 /* preserve RSP (pointing to context-data) in R9 */ 143 movq %rsp, %r9 144 145 /* restore RSP (pointing to context-data) from RDX */ 146 movq %rdx, %rsp 147 148#if !defined(BOOST_USE_TSX) 149 /* restore XMM storage */ 150 movaps 0x0(%rsp), %xmm6 151 movaps 0x10(%rsp), %xmm7 152 movaps 0x20(%rsp), %xmm8 153 movaps 0x30(%rsp), %xmm9 154 movaps 0x40(%rsp), %xmm10 155 movaps 0x50(%rsp), %xmm11 156 movaps 0x60(%rsp), %xmm12 157 movaps 0x70(%rsp), %xmm13 158 movaps 0x80(%rsp), %xmm14 159 movaps 0x90(%rsp), %xmm15 160 ldmxcsr 0xa0(%rsp) /* restore MMX control- and status-word */ 161 fldcw 0xa4(%rsp) /* restore x87 control-word */ 162#endif 163 164 /* load NT_TIB */ 165 movq %gs:(0x30), %r10 166 /* restore fiber local storage */ 167 movq 0xb0(%rsp), %rax 168 movq %rax, 0x20(%r10) 169 /* restore current deallocation stack */ 170 movq 0xb8(%rsp), %rax 171 movq %rax, 0x1478(%r10) 172 /* restore current stack limit */ 173 movq 0xc0(%rsp), %rax 174 movq %rax, 0x10(%r10) 175 /* restore current stack base */ 176 movq 0xc8(%rsp), %rax 177 movq %rax, 0x08(%r10) 178 179 movq 0xd0(%rsp), %r12 /* restore R12 */ 180 movq 0xd8(%rsp), %r13 /* restore R13 */ 181 movq 0xe0(%rsp), %r14 /* restore R14 */ 182 movq 0xe8(%rsp), %r15 /* restore R15 */ 183 movq 0xf0(%rsp), %rdi /* restore RDI */ 184 movq 0xf8(%rsp), %rsi /* restore RSI */ 185 movq 0x100(%rsp), %rbx /* restore RBX */ 186 movq 0x108(%rsp), %rbp /* restore RBP */ 187 188 movq 0x110(%rsp), %rax /* restore hidden address of transport_t */ 189 190 leaq 0x118(%rsp), %rsp /* prepare stack */ 191 192 /* restore return-address */ 193 popq %r10 194 195 /* transport_t returned in RAX */ 196 /* return parent fcontext_t */ 197 movq %r9, 0x0(%rax) 198 /* return data */ 199 movq %r8, 0x8(%rax) 200 201 /* transport_t as 1.arg of context-function */ 202 movq %rax, %rcx 203 204 /* indirect jump to context */ 205 jmp *%r10 206.seh_endproc 207 208.section .drectve 209.ascii " -export:\"jump_fcontext\"" 210
