From eedf7cb243cf15ab0e7e0da4ae5331473f3df4c5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomasz=20W=C5=82ostowski?= Date: Tue, 7 Mar 2017 14:30:15 +0100 Subject: [PATCH] Switched coroutine library from Boost libcotext to custom libcontext. Fixes lp:1658249 https://bugs.launchpad.net/kicad/+bug/1658249 --- CMakeLists.txt | 2 +- common/CMakeLists.txt | 2 + common/system/libcontext.cpp | 712 +++++++++++++++++++++++++++++++++++ include/system/libcontext.h | 95 +++++ include/tool/coroutine.h | 127 +------ 5 files changed, 817 insertions(+), 121 deletions(-) create mode 100644 common/system/libcontext.cpp create mode 100644 include/system/libcontext.h diff --git a/CMakeLists.txt b/CMakeLists.txt index 83d4f905d3..18f2052e1d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -562,7 +562,7 @@ find_package( Pixman 0.30 REQUIRED ) # # Note: Prior to Boost 1.59, the Boost context library is not built when compiling on windows # with GCC. You must patch the Boost sources. -find_package( Boost 1.54.0 REQUIRED COMPONENTS context system ) +find_package( Boost 1.54.0 REQUIRED COMPONENTS system ) # Include MinGW resource compiler. include( MinGWResourceCompiler ) diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt index a482108abf..004d91b6d6 100644 --- a/common/CMakeLists.txt +++ b/common/CMakeLists.txt @@ -284,6 +284,8 @@ endif() set( COMMON_SRCS ${COMMON_SRCS} + system/libcontext.cpp + kicad_curl/kicad_curl.cpp kicad_curl/kicad_curl_easy.cpp diff --git a/common/system/libcontext.cpp b/common/system/libcontext.cpp new file mode 100644 index 0000000000..1f12853700 --- /dev/null +++ b/common/system/libcontext.cpp @@ -0,0 +1,712 @@ +/* + + auto-generated file, do not modify! + libcontext - a slightly more portable version of boost::context + Copyright Martin Husemann 2013. + Copyright Oliver Kowalke 2009. + Copyright Sergue E. Leontiev 2013 + Copyright Thomas Sailer 2013. + Minor modifications by Tomasz Wlostowski 2016. + + 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) + +*/ +#include + +#if defined(LIBCONTEXT_PLATFORM_windows_i386) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".p2align 4,,15\n" +".globl _jump_fcontext\n" +".def _jump_fcontext; .scl 2; .type 32; .endef\n" +"_jump_fcontext:\n" +" mov 0x10(%esp),%ecx\n" +" push %ebp\n" +" push %ebx\n" +" push %esi\n" +" push %edi\n" +" mov %fs:0x18,%edx\n" +" mov (%edx),%eax\n" +" push %eax\n" +" mov 0x4(%edx),%eax\n" +" push %eax\n" +" mov 0x8(%edx),%eax\n" +" push %eax\n" +" mov 0xe0c(%edx),%eax\n" +" push %eax\n" +" mov 0x10(%edx),%eax\n" +" push %eax\n" +" lea -0x8(%esp),%esp\n" +" test %ecx,%ecx\n" +" je nxt1\n" +" stmxcsr (%esp)\n" +" fnstcw 0x4(%esp)\n" +"nxt1:\n" +" mov 0x30(%esp),%eax\n" +" mov %esp,(%eax)\n" +" mov 0x34(%esp),%edx\n" +" mov 0x38(%esp),%eax\n" +" mov %edx,%esp\n" +" test %ecx,%ecx\n" +" je nxt2\n" +" ldmxcsr (%esp)\n" +" fldcw 0x4(%esp)\n" +"nxt2:\n" +" lea 0x8(%esp),%esp\n" +" mov %fs:0x18,%edx\n" +" pop %ecx\n" +" mov %ecx,0x10(%edx)\n" +" pop %ecx\n" +" mov %ecx,0xe0c(%edx)\n" +" pop %ecx\n" +" mov %ecx,0x8(%edx)\n" +" pop %ecx\n" +" mov %ecx,0x4(%edx)\n" +" pop %ecx\n" +" mov %ecx,(%edx)\n" +" pop %edi\n" +" pop %esi\n" +" pop %ebx\n" +" pop %ebp\n" +" pop %edx\n" +" mov %eax,0x4(%esp)\n" +" jmp *%edx\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_windows_i386) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".p2align 4,,15\n" +".globl _make_fcontext\n" +".def _make_fcontext; .scl 2; .type 32; .endef\n" +"_make_fcontext:\n" +"mov 0x4(%esp),%eax\n" +"lea -0x8(%eax),%eax\n" +"and $0xfffffff0,%eax\n" +"lea -0x3c(%eax),%eax\n" +"mov 0x4(%esp),%ecx\n" +"mov %ecx,0x14(%eax)\n" +"mov 0x8(%esp),%edx\n" +"neg %edx\n" +"lea (%ecx,%edx,1),%ecx\n" +"mov %ecx,0x10(%eax)\n" +"mov %ecx,0xc(%eax)\n" +"mov 0xc(%esp),%ecx\n" +"mov %ecx,0x2c(%eax)\n" +"stmxcsr (%eax)\n" +"fnstcw 0x4(%eax)\n" +"mov $finish,%ecx\n" +"mov %ecx,0x30(%eax)\n" +"mov %fs:0x0,%ecx\n" +"walk:\n" +"mov (%ecx),%edx\n" +"inc %edx\n" +"je found\n" +"dec %edx\n" +"xchg %edx,%ecx\n" +"jmp walk\n" +"found:\n" +"mov 0x4(%ecx),%ecx\n" +"mov %ecx,0x3c(%eax)\n" +"mov $0xffffffff,%ecx\n" +"mov %ecx,0x38(%eax)\n" +"lea 0x38(%eax),%ecx\n" +"mov %ecx,0x18(%eax)\n" +"ret\n" +"finish:\n" +"xor %eax,%eax\n" +"mov %eax,(%esp)\n" +"call _exit\n" +"hlt\n" +".def __exit; .scl 2; .type 32; .endef \n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_windows_x86_64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".p2align 4,,15\n" +".globl jump_fcontext\n" +".def jump_fcontext; .scl 2; .type 32; .endef\n" +".seh_proc jump_fcontext\n" +"jump_fcontext:\n" +".seh_endprologue\n" +" push %rbp\n" +" push %rbx\n" +" push %rsi\n" +" push %rdi\n" +" push %r15\n" +" push %r14\n" +" push %r13\n" +" push %r12\n" +" mov %gs:0x30,%r10\n" +" mov 0x8(%r10),%rax\n" +" push %rax\n" +" mov 0x10(%r10),%rax\n" +" push %rax\n" +" mov 0x1478(%r10),%rax\n" +" push %rax\n" +" mov 0x18(%r10),%rax\n" +" push %rax\n" +" lea -0xa8(%rsp),%rsp\n" +" test %r9,%r9\n" +" je nxt1\n" +" stmxcsr 0xa0(%rsp)\n" +" fnstcw 0xa4(%rsp)\n" +" movaps %xmm6,(%rsp)\n" +" movaps %xmm7,0x10(%rsp)\n" +" movaps %xmm8,0x20(%rsp)\n" +" movaps %xmm9,0x30(%rsp)\n" +" movaps %xmm10,0x40(%rsp)\n" +" movaps %xmm11,0x50(%rsp)\n" +" movaps %xmm12,0x60(%rsp)\n" +" movaps %xmm13,0x70(%rsp)\n" +" movaps %xmm14,0x80(%rsp)\n" +" movaps %xmm15,0x90(%rsp)\n" +"nxt1:\n" +" xor %r10,%r10\n" +" push %r10\n" +" mov %rsp,(%rcx)\n" +" mov %rdx,%rsp\n" +" pop %r10\n" +" test %r9,%r9\n" +" je nxt2\n" +" ldmxcsr 0xa0(%rsp)\n" +" fldcw 0xa4(%rsp)\n" +" movaps (%rsp),%xmm6\n" +" movaps 0x10(%rsp),%xmm7\n" +" movaps 0x20(%rsp),%xmm8\n" +" movaps 0x30(%rsp),%xmm9\n" +" movaps 0x40(%rsp),%xmm10\n" +" movaps 0x50(%rsp),%xmm11\n" +" movaps 0x60(%rsp),%xmm12\n" +" movaps 0x70(%rsp),%xmm13\n" +" movaps 0x80(%rsp),%xmm14\n" +" movaps 0x90(%rsp),%xmm15\n" +"nxt2:\n" +" mov $0xa8,%rcx\n" +" test %r10,%r10\n" +" je nxt3\n" +" add $0x8,%rcx\n" +"nxt3:\n" +" lea (%rsp,%rcx,1),%rsp\n" +" mov %gs:0x30,%r10\n" +" pop %rax\n" +" mov %rax,0x18(%r10)\n" +" pop %rax\n" +" mov %rax,0x1478(%r10)\n" +" pop %rax\n" +" mov %rax,0x10(%r10)\n" +" pop %rax\n" +" mov %rax,0x8(%r10)\n" +" pop %r12\n" +" pop %r13\n" +" pop %r14\n" +" pop %r15\n" +" pop %rdi\n" +" pop %rsi\n" +" pop %rbx\n" +" pop %rbp\n" +" pop %r10\n" +" mov %r8,%rax\n" +" mov %r8,%rcx\n" +" jmpq *%r10\n" +".seh_endproc\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_windows_x86_64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".p2align 4,,15\n" +".globl make_fcontext\n" +".def make_fcontext; .scl 2; .type 32; .endef\n" +".seh_proc make_fcontext\n" +"make_fcontext:\n" +".seh_endprologue\n" +"mov %rcx,%rax\n" +"sub $0x28,%rax\n" +"and $0xfffffffffffffff0,%rax\n" +"sub $0x128,%rax\n" +"mov %r8,0x118(%rax)\n" +"mov %rcx,0xd0(%rax)\n" +"neg %rdx\n" +"lea (%rcx,%rdx,1),%rcx\n" +"mov %rcx,0xc8(%rax)\n" +"mov %rcx,0xc0(%rax)\n" +"stmxcsr 0xa8(%rax)\n" +"fnstcw 0xac(%rax)\n" +"leaq finish(%rip), %rcx\n" +"mov %rcx,0x120(%rax)\n" +"mov $0x1,%rcx\n" +"mov %rcx,(%rax)\n" +"retq\n" +"finish:\n" +"xor %rcx,%rcx\n" +"callq 0x63\n" +"hlt\n" +" .seh_endproc\n" +".def _exit; .scl 2; .type 32; .endef \n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_i386) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl jump_fcontext\n" +".align 2\n" +".type jump_fcontext,@function\n" +"jump_fcontext:\n" +" movl 0x10(%esp), %ecx\n" +" pushl %ebp \n" +" pushl %ebx \n" +" pushl %esi \n" +" pushl %edi \n" +" leal -0x8(%esp), %esp\n" +" test %ecx, %ecx\n" +" je 1f\n" +" stmxcsr (%esp)\n" +" fnstcw 0x4(%esp)\n" +"1:\n" +" movl 0x1c(%esp), %eax\n" +" movl %esp, (%eax)\n" +" movl 0x20(%esp), %edx\n" +" movl 0x24(%esp), %eax\n" +" movl %edx, %esp\n" +" test %ecx, %ecx\n" +" je 2f\n" +" ldmxcsr (%esp)\n" +" fldcw 0x4(%esp)\n" +"2:\n" +" leal 0x8(%esp), %esp\n" +" popl %edi \n" +" popl %esi \n" +" popl %ebx \n" +" popl %ebp \n" +" popl %edx\n" +" movl %eax, 0x4(%esp)\n" +" jmp *%edx\n" +".size jump_fcontext,.-jump_fcontext\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_i386) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl make_fcontext\n" +".align 2\n" +".type make_fcontext,@function\n" +"make_fcontext:\n" +" movl 0x4(%esp), %eax\n" +" leal -0x8(%eax), %eax\n" +" andl $-16, %eax\n" +" leal -0x20(%eax), %eax\n" +" movl 0xc(%esp), %edx\n" +" movl %edx, 0x18(%eax)\n" +" stmxcsr (%eax)\n" +" fnstcw 0x4(%eax)\n" +" call 1f\n" +"1: popl %ecx\n" +" addl $finish-1b, %ecx\n" +" movl %ecx, 0x1c(%eax)\n" +" ret \n" +"finish:\n" +" call 2f\n" +"2: popl %ebx\n" +" addl $_GLOBAL_OFFSET_TABLE_+[.-2b], %ebx\n" +" xorl %eax, %eax\n" +" movl %eax, (%esp)\n" +" call _exit@PLT\n" +" hlt\n" +".size make_fcontext,.-make_fcontext\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_x86_64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl jump_fcontext\n" +".type jump_fcontext,@function\n" +".align 16\n" +"jump_fcontext:\n" +" pushq %rbp \n" +" pushq %rbx \n" +" pushq %r15 \n" +" pushq %r14 \n" +" pushq %r13 \n" +" pushq %r12 \n" +" leaq -0x8(%rsp), %rsp\n" +" cmp $0, %rcx\n" +" je 1f\n" +" stmxcsr (%rsp)\n" +" fnstcw 0x4(%rsp)\n" +"1:\n" +" movq %rsp, (%rdi)\n" +" movq %rsi, %rsp\n" +" cmp $0, %rcx\n" +" je 2f\n" +" ldmxcsr (%rsp)\n" +" fldcw 0x4(%rsp)\n" +"2:\n" +" leaq 0x8(%rsp), %rsp\n" +" popq %r12 \n" +" popq %r13 \n" +" popq %r14 \n" +" popq %r15 \n" +" popq %rbx \n" +" popq %rbp \n" +" popq %r8\n" +" movq %rdx, %rax\n" +" movq %rdx, %rdi\n" +" jmp *%r8\n" +".size jump_fcontext,.-jump_fcontext\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_x86_64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl make_fcontext\n" +".type make_fcontext,@function\n" +".align 16\n" +"make_fcontext:\n" +" movq %rdi, %rax\n" +" andq $-16, %rax\n" +" leaq -0x48(%rax), %rax\n" +" movq %rdx, 0x38(%rax)\n" +" stmxcsr (%rax)\n" +" fnstcw 0x4(%rax)\n" +" leaq finish(%rip), %rcx\n" +" movq %rcx, 0x40(%rax)\n" +" ret \n" +"finish:\n" +" xorq %rdi, %rdi\n" +" call _exit@PLT\n" +" hlt\n" +".size make_fcontext,.-make_fcontext\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_apple_x86_64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl _jump_fcontext\n" +".align 8\n" +"_jump_fcontext:\n" +" pushq %rbp \n" +" pushq %rbx \n" +" pushq %r15 \n" +" pushq %r14 \n" +" pushq %r13 \n" +" pushq %r12 \n" +" leaq -0x8(%rsp), %rsp\n" +" cmp $0, %rcx\n" +" je 1f\n" +" stmxcsr (%rsp)\n" +" fnstcw 0x4(%rsp)\n" +"1:\n" +" movq %rsp, (%rdi)\n" +" movq %rsi, %rsp\n" +" cmp $0, %rcx\n" +" je 2f\n" +" ldmxcsr (%rsp)\n" +" fldcw 0x4(%rsp)\n" +"2:\n" +" leaq 0x8(%rsp), %rsp\n" +" popq %r12 \n" +" popq %r13 \n" +" popq %r14 \n" +" popq %r15 \n" +" popq %rbx \n" +" popq %rbp \n" +" popq %r8\n" +" movq %rdx, %rax\n" +" movq %rdx, %rdi\n" +" jmp *%r8\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_apple_x86_64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl _make_fcontext\n" +".align 8\n" +"_make_fcontext:\n" +" movq %rdi, %rax\n" +" movabs $-16, %r8\n" +" andq %r8, %rax\n" +" leaq -0x48(%rax), %rax\n" +" movq %rdx, 0x38(%rax)\n" +" stmxcsr (%rax)\n" +" fnstcw 0x4(%rax)\n" +" leaq finish(%rip), %rcx\n" +" movq %rcx, 0x40(%rax)\n" +" ret \n" +"finish:\n" +" xorq %rdi, %rdi\n" +" call __exit\n" +" hlt\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_apple_i386) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl _jump_fcontext\n" +".align 2\n" +"_jump_fcontext:\n" +" movl 0x10(%esp), %ecx\n" +" pushl %ebp \n" +" pushl %ebx \n" +" pushl %esi \n" +" pushl %edi \n" +" leal -0x8(%esp), %esp\n" +" test %ecx, %ecx\n" +" je 1f\n" +" stmxcsr (%esp)\n" +" fnstcw 0x4(%esp)\n" +"1:\n" +" movl 0x1c(%esp), %eax\n" +" movl %esp, (%eax)\n" +" movl 0x20(%esp), %edx\n" +" movl 0x24(%esp), %eax\n" +" movl %edx, %esp\n" +" test %ecx, %ecx\n" +" je 2f\n" +" ldmxcsr (%esp)\n" +" fldcw 0x4(%esp)\n" +"2:\n" +" leal 0x8(%esp), %esp\n" +" popl %edi \n" +" popl %esi \n" +" popl %ebx \n" +" popl %ebp \n" +" popl %edx\n" +" movl %eax, 0x4(%esp)\n" +" jmp *%edx\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_apple_i386) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl _make_fcontext\n" +".align 2\n" +"_make_fcontext:\n" +" movl 0x4(%esp), %eax\n" +" leal -0x8(%eax), %eax\n" +" andl $-16, %eax\n" +" leal -0x20(%eax), %eax\n" +" movl 0xc(%esp), %edx\n" +" movl %edx, 0x18(%eax)\n" +" stmxcsr (%eax)\n" +" fnstcw 0x4(%eax)\n" +" call 1f\n" +"1: popl %ecx\n" +" addl $finish-1b, %ecx\n" +" movl %ecx, 0x1c(%eax)\n" +" ret \n" +"finish:\n" +" xorl %eax, %eax\n" +" movl %eax, (%esp)\n" +" call __exit\n" +" hlt\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_arm32) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl jump_fcontext\n" +".align 2\n" +".type jump_fcontext,%function\n" +"jump_fcontext:\n" +" @ save LR as PC\n" +" push {lr}\n" +" @ save V1-V8,LR\n" +" push {v1-v8,lr}\n" +" @ prepare stack for FPU\n" +" sub sp, sp, #64\n" +" @ test if fpu env should be preserved\n" +" cmp a4, #0\n" +" beq 1f\n" +" @ save S16-S31\n" +" vstmia sp, {d8-d15}\n" +"1:\n" +" @ store RSP (pointing to context-data) in A1\n" +" str sp, [a1]\n" +" @ restore RSP (pointing to context-data) from A2\n" +" mov sp, a2\n" +" @ test if fpu env should be preserved\n" +" cmp a4, #0\n" +" beq 2f\n" +" @ restore S16-S31\n" +" vldmia sp, {d8-d15}\n" +"2:\n" +" @ prepare stack for FPU\n" +" add sp, sp, #64\n" +" @ use third arg as return value after jump\n" +" @ and as first arg in context function\n" +" mov a1, a3\n" +" @ restore v1-V8,LR,PC\n" +" pop {v1-v8,lr}\n" +" pop {pc}\n" +".size jump_fcontext,.-jump_fcontext\n" +"@ Mark that we don't need executable stack.\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_arm32) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".text\n" +".globl make_fcontext\n" +".align 2\n" +".type make_fcontext,%function\n" +"make_fcontext:\n" +" @ shift address in A1 to lower 16 byte boundary\n" +" bic a1, a1, #15\n" +" @ reserve space for context-data on context-stack\n" +" sub a1, a1, #104\n" +" @ third arg of make_fcontext() == address of context-function\n" +" str a3, [a1,#100]\n" +" @ compute abs address of label finish\n" +" adr a2, finish\n" +" @ save address of finish as return-address for context-function\n" +" @ will be entered after context-function returns\n" +" str a2, [a1,#96]\n" +" bx lr @ return pointer to context-data\n" +"finish:\n" +" @ exit code is zero\n" +" mov a1, #0\n" +" @ exit application\n" +" bl _exit@PLT\n" +".size make_fcontext,.-make_fcontext\n" +"@ Mark that we don't need executable stack.\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_arm64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".cpu generic+fp+simd\n" +".text\n" +".align 2\n" +".global jump_fcontext\n" +".type jump_fcontext, %function\n" +"jump_fcontext:\n" +" # prepare stack for GP + FPU\n" +" sub sp, sp, #0xb0\n" +"# Because gcc may save integer registers in fp registers across a\n" +"# function call we cannot skip saving the fp registers.\n" +"#\n" +"# Do not reinstate this test unless you fully understand what you\n" +"# are doing.\n" +"#\n" +"# # test if fpu env should be preserved\n" +"# cmp w3, #0\n" +"# b.eq 1f\n" +" # save d8 - d15\n" +" stp d8, d9, [sp, #0x00]\n" +" stp d10, d11, [sp, #0x10]\n" +" stp d12, d13, [sp, #0x20]\n" +" stp d14, d15, [sp, #0x30]\n" +"1:\n" +" # save x19-x30\n" +" stp x19, x20, [sp, #0x40]\n" +" stp x21, x22, [sp, #0x50]\n" +" stp x23, x24, [sp, #0x60]\n" +" stp x25, x26, [sp, #0x70]\n" +" stp x27, x28, [sp, #0x80]\n" +" stp x29, x30, [sp, #0x90]\n" +" # save LR as PC\n" +" str x30, [sp, #0xa0]\n" +" # store RSP (pointing to context-data) in first argument (x0).\n" +" # STR cannot have sp as a target register\n" +" mov x4, sp\n" +" str x4, [x0]\n" +" # restore RSP (pointing to context-data) from A2 (x1)\n" +" mov sp, x1\n" +"# # test if fpu env should be preserved\n" +"# cmp w3, #0\n" +"# b.eq 2f\n" +" # load d8 - d15\n" +" ldp d8, d9, [sp, #0x00]\n" +" ldp d10, d11, [sp, #0x10]\n" +" ldp d12, d13, [sp, #0x20]\n" +" ldp d14, d15, [sp, #0x30]\n" +"2:\n" +" # load x19-x30\n" +" ldp x19, x20, [sp, #0x40]\n" +" ldp x21, x22, [sp, #0x50]\n" +" ldp x23, x24, [sp, #0x60]\n" +" ldp x25, x26, [sp, #0x70]\n" +" ldp x27, x28, [sp, #0x80]\n" +" ldp x29, x30, [sp, #0x90]\n" +" # use third arg as return value after jump\n" +" # and as first arg in context function\n" +" mov x0, x2\n" +" # load pc\n" +" ldr x4, [sp, #0xa0]\n" +" # restore stack from GP + FPU\n" +" add sp, sp, #0xb0\n" +" ret x4\n" +".size jump_fcontext,.-jump_fcontext\n" +"# Mark that we don't need executable stack.\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif + +#if defined(LIBCONTEXT_PLATFORM_linux_arm64) && defined(LIBCONTEXT_COMPILER_gcc) +__asm ( +".cpu generic+fp+simd\n" +".text\n" +".align 2\n" +".global make_fcontext\n" +".type make_fcontext, %function\n" +"make_fcontext:\n" +" # shift address in x0 (allocated stack) to lower 16 byte boundary\n" +" and x0, x0, ~0xF\n" +" # reserve space for context-data on context-stack\n" +" sub x0, x0, #0xb0\n" +" # third arg of make_fcontext() == address of context-function\n" +" # store address as a PC to jump in\n" +" str x2, [x0, #0xa0]\n" +" # save address of finish as return-address for context-function\n" +" # will be entered after context-function returns (LR register)\n" +" adr x1, finish\n" +" str x1, [x0, #0x98]\n" +" ret x30 \n" +"finish:\n" +" # exit code is zero\n" +" mov x0, #0\n" +" # exit application\n" +" bl _exit\n" +".size make_fcontext,.-make_fcontext\n" +"# Mark that we don't need executable stack.\n" +".section .note.GNU-stack,\"\",%progbits\n" +); + +#endif diff --git a/include/system/libcontext.h b/include/system/libcontext.h new file mode 100644 index 0000000000..2ba832b628 --- /dev/null +++ b/include/system/libcontext.h @@ -0,0 +1,95 @@ +/* + + libcontext - a slightly more portable version of boost::context + + Copyright Martin Husemann 2013. + Copyright Oliver Kowalke 2009. + Copyright Sergue E. Leontiev 2013. + Copyright Thomas Sailer 2013. + Minor modifications by Tomasz Wlostowski 2016. + + 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) + +*/ + +#ifndef __LIBCONTEXT_H +#define __LIBCONTEXT_H + +#include +#include +#include + + +#if defined(__GNUC__) || defined(__APPLE__) + + #define LIBCONTEXT_COMPILER_gcc + + #if defined(__linux__) + #ifdef __x86_64__ + #define LIBCONTEXT_PLATFORM_linux_x86_64 + #define LIBCONTEXT_CALL_CONVENTION + + #elif __i386__ + #define LIBCONTEXT_PLATFORM_linux_i386 + #define LIBCONTEXT_CALL_CONVENTION + #elif __arm__ + #define LIBCONTEXT_PLATFORM_linux_arm32 + #define LIBCONTEXT_CALL_CONVENTION + #elif __aarch64__ + #define LIBCONTEXT_PLATFORM_linux_arm64 + #define LIBCONTEXT_CALL_CONVENTION + #endif + + #elif defined(__MINGW32__) || defined (__MINGW64__) + #if defined(__x86_64__) + #define LIBCONTEXT_COMPILER_gcc + #define LIBCONTEXT_PLATFORM_windows_x86_64 + #define LIBCONTEXT_CALL_CONVENTION + #endif + + #if defined(__i386__) + #define LIBCONTEXT_COMPILER_gcc + #define LIBCONTEXT_PLATFORM_windows_i386 + #define LIBCONTEXT_CALL_CONVENTION __cdecl + #endif + #elif defined(__APPLE__) && defined(__MACH__) + #if defined (__i386__) + #define LIBCONTEXT_PLATFORM_apple_i386 + #define LIBCONTEXT_CALL_CONVENTION + #elif defined (__x86_64__) + #define LIBCONTEXT_PLATFORM_apple_x86_64 + #define LIBCONTEXT_CALL_CONVENTION + #endif + #endif +#endif + +#ifdef __cplusplus +namespace libcontext { +#endif + +#if defined(_WIN32_WCE) +typedef int intptr_t; +#endif + +typedef void* fcontext_t; + +#ifdef __cplusplus +extern "C"{ +#endif + + +intptr_t LIBCONTEXT_CALL_CONVENTION jump_fcontext( fcontext_t * ofc, fcontext_t nfc, + intptr_t vp, bool preserve_fpu = false); +fcontext_t LIBCONTEXT_CALL_CONVENTION make_fcontext( void * sp, size_t size, void (* fn)( intptr_t) ); + +#ifdef __cplusplus +}; // namespace +#endif + +#ifdef __cplusplus +}; // extern "C" +#endif + +#endif diff --git a/include/tool/coroutine.h b/include/tool/coroutine.h index 5d4debc9bc..7504329092 100644 --- a/include/tool/coroutine.h +++ b/include/tool/coroutine.h @@ -28,54 +28,10 @@ #include -#include #include -#if BOOST_VERSION < 106100 -#include +#include #include -#else -#include -#include -#endif - -/** - * Note: in the history of boost, two changes to the context interface happened. - * [1.54, 1.56) - * http://www.boost.org/doc/libs/1_55_0/libs/context/doc/html/context/context/boost_fcontext.html - * intptr_t jump_fcontext( - * fcontext_t* ofc, - * fcontext_t const* nfc, - * intptr_t vp, - * bool preserve_fpu = true - * ); - * - * fcontext_t* make_fcontext( - * void* sp, - * std::size_t size, - * void (*fn)(intptr_t) - * ); - * - * [1.56, 1.61) - * http://www.boost.org/doc/libs/1_56_0/libs/context/doc/html/context/context/boost_fcontext.html - * intptr_t jump_fcontext( - * fcontext_t* ofc, - * fcontext_t nfc, <----- - * intptr_t vp, - * bool preserve_fpu = true - * ); - * - * fcontext_t make_fcontext( <----- - * void* sp, - * std::size_t size, - * void(*fn)(intptr_t) - * ); - * - * [1.61, oo) - * http://www.boost.org/doc/libs/1_61_0/libs/context/doc/html/context/ecv2.html - * fcontext_t is hidden away behind the boost::execution_context(_v2) and the stack is created on behalf of - * the user. - */ /** * Class COROUNTINE. @@ -90,7 +46,7 @@ * preempted only when it deliberately yields the control to the caller. This way, * we avoid concurrency problems such as locking / race conditions. * - * Uses boost::context library to do the actual context switching. + * Uses libcontext library to do the actual context switching. * * This particular version takes a DELEGATE as an entry point, so it can invoke * methods within a given object as separate coroutines. @@ -120,17 +76,8 @@ private: // call context holds a reference to the main stack context }; -#if BOOST_VERSION < 106100 - using CONTEXT_T = boost::context::fcontext_t; -#else - using CONTEXT_T = boost::context::execution_context; -#endif - -#if BOOST_VERSION < 105600 - using CALLEE_STORAGE = CONTEXT_T*; -#else + using CONTEXT_T = libcontext::fcontext_t; using CALLEE_STORAGE = CONTEXT_T; -#endif class CALL_CONTEXT { @@ -145,15 +92,8 @@ private: m_mainStackFunction = std::move( aFunc ); INVOCATION_ARGS args{ INVOCATION_ARGS::CONTINUE_AFTER_ROOT, aCor, this }; -#if BOOST_VERSION < 105600 - boost::context::jump_fcontext( aCor->m_callee, m_mainStackContext, + libcontext::jump_fcontext( &aCor->m_callee, *m_mainStackContext, reinterpret_cast( &args ) ); -#elif BOOST_VERSION < 106100 - boost::context::jump_fcontext( &aCor->m_callee, *m_mainStackContext, - reinterpret_cast( &args ) ); -#else - *m_mainStackContext = std::get<0>( ( *m_mainStackContext )( &args ) ); -#endif } void Continue( INVOCATION_ARGS* args ) @@ -195,9 +135,7 @@ public: m_func( std::move( aEntry ) ), m_running( false ), m_args( 0 ), -#if BOOST_VERSION < 106100 // -> m_callee = void* or void** m_callee( nullptr ), -#endif m_retVal( 0 ) { } @@ -351,7 +289,6 @@ private: m_args = &aArgs; -#if BOOST_VERSION < 106100 assert( m_stack == nullptr ); // fixme: Clean up stack stuff. Add a guard @@ -364,15 +301,7 @@ private: // correct the stack size stackSize -= size_t( ( (ptrdiff_t) m_stack.get() + stackSize ) - (ptrdiff_t) sp ); - m_callee = boost::context::make_fcontext( sp, stackSize, callerStub ); -#else - m_callee = CONTEXT_T( - std::allocator_arg_t(), - boost::context::protected_fixedsize_stack( c_defaultStackSize ), - &COROUTINE::callerStub - ); -#endif - + m_callee = libcontext::make_fcontext( sp, stackSize, callerStub ); m_running = true; // off we go! @@ -385,7 +314,6 @@ private: } /* real entry point of the coroutine */ -#if BOOST_VERSION < 106100 static void callerStub( intptr_t aData ) { INVOCATION_ARGS& args = *reinterpret_cast( aData ); @@ -403,43 +331,13 @@ private: // go back to wherever we came from. cor->jumpOut(); } -#else - /* real entry point of the coroutine */ - static CONTEXT_T callerStub( CONTEXT_T caller, INVOCATION_ARGS* aArgsPtr ) - { - const auto& args = *aArgsPtr; - auto* cor = args.destination; - - cor->m_caller = std::move( caller ); - cor->m_callContext = args.context; - - if( args.type == INVOCATION_ARGS::FROM_ROOT ) - cor->m_callContext->SetMainStack( &cor->m_caller ); - - // call the coroutine method - cor->m_retVal = cor->m_func( *(cor->m_args) ); - cor->m_running = false; - - // go back to wherever we came from. - return std::move( cor->m_caller ); - } -#endif INVOCATION_ARGS* jumpIn( INVOCATION_ARGS* args ) { -#if BOOST_VERSION < 105600 args = reinterpret_cast( - boost::context::jump_fcontext( &m_caller, m_callee, + libcontext::jump_fcontext( &m_caller, m_callee, reinterpret_cast( args ) ) ); -#elif BOOST_VERSION < 106100 - args = reinterpret_cast( - boost::context::jump_fcontext( &m_caller, m_callee, - reinterpret_cast( args ) ) - ); -#else - std::tie( m_callee, args ) = m_callee( args ); -#endif return args; } @@ -448,19 +346,10 @@ private: { INVOCATION_ARGS args{ INVOCATION_ARGS::FROM_ROUTINE, nullptr, nullptr }; INVOCATION_ARGS* ret; -#if BOOST_VERSION < 105600 ret = reinterpret_cast( - boost::context::jump_fcontext( m_callee, &m_caller, + libcontext::jump_fcontext( &m_callee, m_caller, reinterpret_cast( &args ) ) ); -#elif BOOST_VERSION < 106100 - ret = reinterpret_cast( - boost::context::jump_fcontext( &m_callee, m_caller, - reinterpret_cast( &args ) ) - ); -#else - std::tie( m_caller, ret ) = m_caller( &args ); -#endif m_callContext = ret->context; @@ -472,10 +361,8 @@ private: static constexpr int c_defaultStackSize = 2000000; // fixme: make configurable -#if BOOST_VERSION < 106100 ///< coroutine stack std::unique_ptr m_stack; -#endif std::function m_func;