; Copyright Oliver Kowalke 2009. ; Distributed under the Boost Software License, Version 1.0. ; (See accompanying file LICENSE_1_0.txt or copy at ; http://www.boost.org/LICENSE_1_0.txt) ; ---------------------------------------------------------------------------------- ; | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ; ---------------------------------------------------------------------------------- ; | 0x0 | 0x4 | 0x8 | 0xc | 0x10 | 0x14 | 0x18 | 0x1c | ; ---------------------------------------------------------------------------------- ; | SEE registers (XMM6-XMM15) | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | ; ---------------------------------------------------------------------------------- ; | 0x20 | 0x24 | 0x28 | 0x2c | 0x30 | 0x34 | 0x38 | 0x3c | ; ---------------------------------------------------------------------------------- ; | SEE registers (XMM6-XMM15) | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | ; ---------------------------------------------------------------------------------- ; | 0xe40 | 0x44 | 0x48 | 0x4c | 0x50 | 0x54 | 0x58 | 0x5c | ; ---------------------------------------------------------------------------------- ; | SEE registers (XMM6-XMM15) | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | ; ---------------------------------------------------------------------------------- ; | 0x60 | 0x64 | 0x68 | 0x6c | 0x70 | 0x74 | 0x78 | 0x7c | ; ---------------------------------------------------------------------------------- ; | SEE registers (XMM6-XMM15) | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | ; ---------------------------------------------------------------------------------- ; | 0x80 | 0x84 | 0x88 | 0x8c | 0x90 | 0x94 | 0x98 | 0x9c | ; ---------------------------------------------------------------------------------- ; | SEE registers (XMM6-XMM15) | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | ; ---------------------------------------------------------------------------------- ; | 0xa0 | 0xa4 | 0xa8 | 0xac | 0xb0 | 0xb4 | 0xb8 | 0xbc | ; ---------------------------------------------------------------------------------- ; | fc_mxcsr|fc_x87_cw| | fbr_strg | fc_dealloc | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | ; ---------------------------------------------------------------------------------- ; | 0xc0 | 0xc4 | 0xc8 | 0xcc | 0xd0 | 0xd4 | 0xd8 | 0xdc | ; ---------------------------------------------------------------------------------- ; | limit | base | R12 | R13 | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | ; ---------------------------------------------------------------------------------- ; | 0xe0 | 0xe4 | 0xe8 | 0xec | 0xf0 | 0xf4 | 0xf8 | 0xfc | ; ---------------------------------------------------------------------------------- ; | R14 | R15 | RDI | RSI | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | ; ---------------------------------------------------------------------------------- ; | 0x100 | 0x104 | 0x108 | 0x10c | 0x110 | 0x114 | 0x118 | 0x11c | ; ---------------------------------------------------------------------------------- ; | RBX | RBP | hidden | RIP | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | ; ---------------------------------------------------------------------------------- ; | 0x120 | 0x124 | 0x128 | 0x12c | 0x130 | 0x134 | 0x138 | 0x13c | ; ---------------------------------------------------------------------------------- ; | parameter area | ; ---------------------------------------------------------------------------------- ; ---------------------------------------------------------------------------------- ; | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | ; ---------------------------------------------------------------------------------- ; | 0x140 | 0x144 | 0x148 | 0x14c | 0x150 | 0x154 | 0x158 | 0x15c | ; ---------------------------------------------------------------------------------- ; | FCTX | DATA | | ; ---------------------------------------------------------------------------------- .code jump_fcontext PROC BOOST_CONTEXT_EXPORT FRAME .endprolog ; prepare stack lea rsp, [rsp-0118h] IFNDEF BOOST_USE_TSX ; save XMM storage movaps [rsp], xmm6 movaps [rsp+010h], xmm7 movaps [rsp+020h], xmm8 movaps [rsp+030h], xmm9 movaps [rsp+040h], xmm10 movaps [rsp+050h], xmm11 movaps [rsp+060h], xmm12 movaps [rsp+070h], xmm13 movaps [rsp+080h], xmm14 movaps [rsp+090h], xmm15 ; save MMX control- and status-word stmxcsr [rsp+0a0h] ; save x87 control-word fnstcw [rsp+0a4h] ENDIF ; load NT_TIB mov r10, gs:[030h] ; save fiber local storage mov rax, [r10+020h] mov [rsp+0b0h], rax ; save current deallocation stack mov rax, [r10+01478h] mov [rsp+0b8h], rax ; save current stack limit mov rax, [r10+010h] mov [rsp+0c0h], rax ; save current stack base mov rax, [r10+08h] mov [rsp+0c8h], rax mov [rsp+0d0h], r12 ; save R12 mov [rsp+0d8h], r13 ; save R13 mov [rsp+0e0h], r14 ; save R14 mov [rsp+0e8h], r15 ; save R15 mov [rsp+0f0h], rdi ; save RDI mov [rsp+0f8h], rsi ; save RSI mov [rsp+0100h], rbx ; save RBX mov [rsp+0108h], rbp ; save RBP mov [rsp+0110h], rcx ; save hidden address of transport_t ; preserve RSP (pointing to context-data) in R9 mov r9, rsp ; restore RSP (pointing to context-data) from RDX mov rsp, rdx IFNDEF BOOST_USE_TSX ; restore XMM storage movaps xmm6, [rsp] movaps xmm7, [rsp+010h] movaps xmm8, [rsp+020h] movaps xmm9, [rsp+030h] movaps xmm10, [rsp+040h] movaps xmm11, [rsp+050h] movaps xmm12, [rsp+060h] movaps xmm13, [rsp+070h] movaps xmm14, [rsp+080h] movaps xmm15, [rsp+090h] ; restore MMX control- and status-word ldmxcsr [rsp+0a0h] ; save x87 control-word fldcw [rsp+0a4h] ENDIF ; load NT_TIB mov r10, gs:[030h] ; restore fiber local storage mov rax, [rsp+0b0h] mov [r10+020h], rax ; restore current deallocation stack mov rax, [rsp+0b8h] mov [r10+01478h], rax ; restore current stack limit mov rax, [rsp+0c0h] mov [r10+010h], rax ; restore current stack base mov rax, [rsp+0c8h] mov [r10+08h], rax mov r12, [rsp+0d0h] ; restore R12 mov r13, [rsp+0d8h] ; restore R13 mov r14, [rsp+0e0h] ; restore R14 mov r15, [rsp+0e8h] ; restore R15 mov rdi, [rsp+0f0h] ; restore RDI mov rsi, [rsp+0f8h] ; restore RSI mov rbx, [rsp+0100h] ; restore RBX mov rbp, [rsp+0108h] ; restore RBP mov rax, [rsp+0110h] ; restore hidden address of transport_t ; prepare stack lea rsp, [rsp+0118h] ; load return-address pop r10 ; transport_t returned in RAX ; return parent fcontext_t mov [rax], r9 ; return data mov [rax+08h], r8 ; transport_t as 1.arg of context-function mov rcx, rax ; indirect jump to context jmp r10 jump_fcontext ENDP END