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Add windows arm64 fcontext support

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This commit is contained in:
dixyes
2022-06-20 15:15:30 +08:00
parent b6ff3fd02f
commit 697299ea55
8 changed files with 372 additions and 6 deletions
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20
CMakeLists.txt
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@@ -6,6 +6,8 @@ cmake_minimum_required(VERSION 3.5...3.16)
project(boost_context VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
list(APPEND CMAKE_MODULE_PATH ${boost_context_SOURCE_DIR}/cmake)
# Build features
## Binary format
@@ -27,10 +29,10 @@ unset(_default_binfmt)
math(EXPR _bits "${CMAKE_SIZEOF_VOID_P}*8")
if(WIN32)
set(_default_abi ms)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^[Aa][Rr][Mm]" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
set(_default_abi aapcs)
elseif(WIN32)
set(_default_abi ms)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
if(_bits EQUAL 32)
set(_default_abi o32)
@@ -54,7 +56,7 @@ set(_all_archs arm arm64 loongarch64 mips32 mips64 ppc32 ppc64 riscv64 s390x i38
if(CMAKE_SYSTEM_PROCESSOR IN_LIST _all_archs)
set(_default_arch ${CMAKE_SYSTEM_PROCESSOR})
elseif(_bits EQUAL 32)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^[Aa][Rr][Mm]")
set(_default_arch arm)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
set(_default_arch mips32)
@@ -63,7 +65,7 @@ elseif(_bits EQUAL 32)
endif()
else()
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "^arm") # armv8
CMAKE_SYSTEM_PROCESSOR MATCHES "^[Aa][Rr][Mm]") # armv8
set(_default_arch arm64)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
set(_default_arch mips64)
@@ -82,7 +84,11 @@ unset(_default_arch)
## Assembler type
if(MSVC)
set(_default_asm masm)
if(BOOST_CONTEXT_ARCHITECTURE STREQUAL arm64 OR BOOST_CONTEXT_ARCHITECTURE STREQUAL arm)
set(_default_asm armasm)
else()
set(_default_asm masm)
endif()
else()
set(_default_asm gas)
endif()
@@ -135,6 +141,8 @@ if(BOOST_CONTEXT_IMPLEMENTATION STREQUAL "fcontext")
else()
enable_language(ASM)
endif()
elseif(BOOST_CONTEXT_ASSEMBLER STREQUAL armasm)
enable_language(ASM_ARMASM)
else()
enable_language(ASM_MASM)
endif()

13
build/Jamfile.v2
View File

@@ -229,6 +229,19 @@ alias asm_sources
<toolset>darwin
;
# ARM/AAPCS/PE
alias asm_sources
: asm/make_arm64_aapcs_pe_armasm.asm
asm/jump_arm64_aapcs_pe_armasm.asm
asm/ontop_arm64_aapcs_pe_armasm.asm
untested.cpp
: <abi>aapcs
<address-model>64
<architecture>arm
<binary-format>pe
<toolset>msvc
;
# LOONGARCH64
# LOONGARCH64/SYSV/ELF
alias asm_sources

17
cmake/CMakeASM_ARMASMInformation.cmake Normal file
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@@ -0,0 +1,17 @@
# for the armasm assembler, armasm or armasm64
set(ASM_DIALECT "_ARMASM")
set(CMAKE_ASM${ASM_DIALECT}_SOURCE_FILE_EXTENSIONS asm)
set(CMAKE_ASM${ASM_DIALECT}_COMPILE_OBJECT "<CMAKE_ASM${ASM_DIALECT}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> <SOURCE>")
# The ASM_ARMASM compiler id for this compiler is "MSVC", so fill out the runtime library table.
set(CMAKE_ASM${ASM_DIALECT}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreaded "")
set(CMAKE_ASM${ASM_DIALECT}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDLL "")
set(CMAKE_ASM${ASM_DIALECT}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebug "")
set(CMAKE_ASM${ASM_DIALECT}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebugDLL "")
include(CMakeASMInformation)
set(ASM_DIALECT)

15
cmake/CMakeDetermineASM_ARMASMCompiler.cmake Normal file
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@@ -0,0 +1,15 @@
# Find the armasm assembler, armasm or armasm64
set(ASM_DIALECT "_ARMASM")
# if we are using the 64bit cl compiler, assume we also want the 64bit assembler
if(";${CMAKE_VS_PLATFORM_NAME};${MSVC_C_ARCHITECTURE_ID};${MSVC_CXX_ARCHITECTURE_ID};"
MATCHES ";ARM64;")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT armasm64)
else()
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT armasm)
endif()
include(CMakeDetermineASMCompiler)
set(ASM_DIALECT)

13
cmake/CMakeTestASM_ARMASMCompiler.cmake Normal file
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@@ -0,0 +1,13 @@
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that the selected ASM_MASM "compiler" (should be masm or masm64)
# works. For assembler this can only check whether the compiler has been found,
# because otherwise there would have to be a separate assembler source file
# for each assembler on every architecture.
set(ASM_DIALECT "_ARMASM")
include(CMakeTestASMCompiler)
set(ASM_DIALECT)

110
src/asm/jump_arm64_aapcs_pe_armasm.asm Normal file
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@@ -0,0 +1,110 @@
; Copyright Edward Nevill + Oliver Kowalke 2015
; 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| *
;* ------------------------------------------------- *
;* | d8 | d9 | d10 | d11 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
;* ------------------------------------------------- *
;* | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
;* ------------------------------------------------- *
;* | d12 | d13 | d14 | d15 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
;* ------------------------------------------------- *
;* | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
;* ------------------------------------------------- *
;* | x19 | x20 | x21 | x22 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
;* ------------------------------------------------- *
;* | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
;* ------------------------------------------------- *
;* | x23 | x24 | x25 | x26 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
;* ------------------------------------------------- *
;* | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
;* ------------------------------------------------- *
;* | x27 | x28 | FP | LR | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 40 | 41 | 42 | 43 | | | *
;* ------------------------------------------------- *
;* | 0xa0| 0xa4| 0xa8| 0xac| | | *
;* ------------------------------------------------- *
;* | PC | align | | | *
;* ------------------------------------------------- *
;* *
;*******************************************************
AREA |.text|, CODE, READONLY, ALIGN=4, CODEALIGN
EXPORT jump_fcontext
jump_fcontext proc
; prepare stack for GP + FPU
sub sp, sp, #0xb0
; save d8 - d15
stp d8, d9, [sp, #0x00]
stp d10, d11, [sp, #0x10]
stp d12, d13, [sp, #0x20]
stp d14, d15, [sp, #0x30]
; save x19-x30
stp x19, x20, [sp, #0x40]
stp x21, x22, [sp, #0x50]
stp x23, x24, [sp, #0x60]
stp x25, x26, [sp, #0x70]
stp x27, x28, [sp, #0x80]
stp x29, x30, [sp, #0x90]
; save LR as PC
str x30, [sp, #0xa0]
; store RSP (pointing to context-data) in X0
mov x4, sp
; restore RSP (pointing to context-data) from X1
mov sp, x0
; load d8 - d15
ldp d8, d9, [sp, #0x00]
ldp d10, d11, [sp, #0x10]
ldp d12, d13, [sp, #0x20]
ldp d14, d15, [sp, #0x30]
; load x19-x30
ldp x19, x20, [sp, #0x40]
ldp x21, x22, [sp, #0x50]
ldp x23, x24, [sp, #0x60]
ldp x25, x26, [sp, #0x70]
ldp x27, x28, [sp, #0x80]
ldp x29, x30, [sp, #0x90]
; return transfer_t from jump
; pass transfer_t as first arg in context function
; X0 == FCTX, X1 == DATA
mov x0, x4
; load pc
ldr x4, [sp, #0xa0]
; restore stack from GP + FPU
add sp, sp, #0xb0
ret x4
ENDP
END

81
src/asm/make_arm64_aapcs_pe_armasm.asm Normal file
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@@ -0,0 +1,81 @@
; Copyright Edward Nevill + Oliver Kowalke 2015
; 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| *
;* ------------------------------------------------- *
;* | d8 | d9 | d10 | d11 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
;* ------------------------------------------------- *
;* | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
;* ------------------------------------------------- *
;* | d12 | d13 | d14 | d15 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
;* ------------------------------------------------- *
;* | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
;* ------------------------------------------------- *
;* | x19 | x20 | x21 | x22 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
;* ------------------------------------------------- *
;* | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
;* ------------------------------------------------- *
;* | x23 | x24 | x25 | x26 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
;* ------------------------------------------------- *
;* | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
;* ------------------------------------------------- *
;* | x27 | x28 | FP | LR | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 40 | 41 | 42 | 43 | | | *
;* ------------------------------------------------- *
;* | 0xa0| 0xa4| 0xa8| 0xac| | | *
;* ------------------------------------------------- *
;* | PC | align | | | *
;* ------------------------------------------------- *
;* *
;*******************************************************
AREA |.text|, CODE, READONLY, ALIGN=4, CODEALIGN
EXPORT make_fcontext
IMPORT _exit
make_fcontext proc
; shift address in x0 (allocated stack) to lower 16 byte boundary
and x0, x0, ~0xF
; reserve space for context-data on context-stack
sub x0, x0, #0xb0
; third arg of make_fcontext() == address of context-function
; store address as a PC to jump in
str x2, [x0, #0xa0]
; save address of finish as return-address for context-function
; will be entered after context-function returns (LR register)
adr x1, finish
str x1, [x0, #0x98]
ret x30 ; return pointer to context-data (x0)
finish
; exit code is zero
mov x0, #0
; exit application
bl _exit
ENDP
END

109
src/asm/ontop_arm64_aapcs_pe_armasm.asm Normal file
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@@ -0,0 +1,109 @@
; Copyright Edward Nevill + Oliver Kowalke 2015
; 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| *
;* ------------------------------------------------- *
;* | d8 | d9 | d10 | d11 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
;* ------------------------------------------------- *
;* | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c| *
;* ------------------------------------------------- *
;* | d12 | d13 | d14 | d15 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
;* ------------------------------------------------- *
;* | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c| *
;* ------------------------------------------------- *
;* | x19 | x20 | x21 | x22 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
;* ------------------------------------------------- *
;* | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c| *
;* ------------------------------------------------- *
;* | x23 | x24 | x25 | x26 | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
;* ------------------------------------------------- *
;* | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c| *
;* ------------------------------------------------- *
;* | x27 | x28 | FP | LR | *
;* ------------------------------------------------- *
;* ------------------------------------------------- *
;* | 40 | 41 | 42 | 43 | | | *
;* ------------------------------------------------- *
;* | 0xa0| 0xa4| 0xa8| 0xac| | | *
;* ------------------------------------------------- *
;* | PC | align | | | *
;* ------------------------------------------------- *
;* *
;*******************************************************
AREA |.text|, CODE, READONLY, ALIGN=4, CODEALIGN
EXPORT ontop_fcontext
ontop_fcontext proc BOOST_CONTEXT_EXPORT
; prepare stack for GP + FPU
sub sp, sp, #0xb0
; save d8 - d15
stp d8, d9, [sp, #0x00]
stp d10, d11, [sp, #0x10]
stp d12, d13, [sp, #0x20]
stp d14, d15, [sp, #0x30]
; save x19-x30
stp x19, x20, [sp, #0x40]
stp x21, x22, [sp, #0x50]
stp x23, x24, [sp, #0x60]
stp x25, x26, [sp, #0x70]
stp x27, x28, [sp, #0x80]
stp x29, x30, [sp, #0x90]
; save LR as PC
str x30, [sp, #0xa0]
; store RSP (pointing to context-data) in X5
mov x4, sp
; restore RSP (pointing to context-data) from X1
mov sp, x0
; load d8 - d15
ldp d8, d9, [sp, #0x00]
ldp d10, d11, [sp, #0x10]
ldp d12, d13, [sp, #0x20]
ldp d14, d15, [sp, #0x30]
; load x19-x30
ldp x19, x20, [sp, #0x40]
ldp x21, x22, [sp, #0x50]
ldp x23, x24, [sp, #0x60]
ldp x25, x26, [sp, #0x70]
ldp x27, x28, [sp, #0x80]
ldp x29, x30, [sp, #0x90]
; return transfer_t from jump
; pass transfer_t as first arg in context function
; X0 == FCTX, X1 == DATA
mov x0, x4
; skip pc
; restore stack from GP + FPU
add sp, sp, #0xb0
; jump to ontop-function
ret x2
ENDP
END