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fix: crashpad build for Windows ARM64 via LLVM-MINGW (#101)
* Add GAS version of capture_context_win_arm64.asm (for llvm-mingw) * Use capture_context_win_arm64.S on mingw targeting arm64 * ci: tweak build matrix * ci: add llvm-mingw x64 build * ci: add llvm-mingw arm64 build * compat/mingw/werapi.h: Fix compat with recent mingw headers * ci: Bump actions/checkout to v4 To fix "Node.js 16 actions are deprecated"
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| Start-Sleep -Milliseconds 1 # See: https://stackoverflow.com/a/49859001 | ||
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| $LLVM_MINGW_RELEASE = "20240518"; | ||
| $LLVM_MINGW_PKG = "llvm-mingw-${LLVM_MINGW_RELEASE}-ucrt-x86_64" | ||
| $LLVM_MINGW_DL_URL = "https://github.com/mstorsjo/llvm-mingw/releases/download/${LLVM_MINGW_RELEASE}/${LLVM_MINGW_PKG}.zip" | ||
| $LLVM_MINGW_DL_SHA512 = "4758b41533930f9b4d646f60406f37a644dedd662d0adb8586f544c1b875fc86ece51ce2bb7b060075c3d081533f1a7aafa816ccdee2101e507aa047024d8d3f" | ||
| $DL_BASEDIR = "$env:GITHUB_WORKSPACE\dl" | ||
| $LLVM_MINGW_DL_PATH = "${DL_BASEDIR}\llvm-mingw.zip" | ||
| if (!(Test-Path -Path "$DL_BASEDIR")) { New-Item -ItemType Directory -Force -Path "$DL_BASEDIR" } | ||
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| # Download LLVM-mingw | ||
| $CurlArguments = '-s', '-Lf', '-o', "${LLVM_MINGW_DL_PATH}", "${LLVM_MINGW_DL_URL}" | ||
| & curl.exe @CurlArguments | ||
| $dl_zip_hash = Get-FileHash -LiteralPath "${LLVM_MINGW_DL_PATH}" -Algorithm SHA512 | ||
| if ($dl_zip_hash.Hash -eq $LLVM_MINGW_DL_SHA512) { | ||
| Write-Host "Successfully downloaded LLVM-mingw .zip" | ||
| } | ||
| Else { | ||
| Write-Error "The downloaded LLVM-mingw zip hash '$($dl_zip_hash.Hash)' does not match the expected hash: '$LLVM_MINGW_DL_SHA512'" | ||
| } | ||
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| # Extract LLVM-mingw | ||
| Write-Host "Extracting LLVM-mingw..." | ||
| $LLVM_MINGW_INSTALL_PATH = "$env:GITHUB_WORKSPACE\buildtools\llvm-mingw" | ||
| New-Item -ItemType Directory -Force -Path "${LLVM_MINGW_INSTALL_PATH}" | ||
| Expand-Archive -LiteralPath "${LLVM_MINGW_DL_PATH}" -DestinationPath "${LLVM_MINGW_INSTALL_PATH}" | ||
| # Export the LLVM-mingw install path | ||
| $LLVM_MINGW_INSTALL_PATH = "${LLVM_MINGW_INSTALL_PATH}\${LLVM_MINGW_PKG}" | ||
| "LLVM_MINGW_INSTALL_PATH=${LLVM_MINGW_INSTALL_PATH}" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append | ||
| # Prepend bin path to the system PATH | ||
| Write-Host "Path to LLVM-mingw bin folder: ${LLVM_MINGW_INSTALL_PATH}\bin" | ||
| "${LLVM_MINGW_INSTALL_PATH}\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append | ||
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| # Download ninja-build | ||
| $NINJA_DL_URL = "https://github.com/ninja-build/ninja/releases/download/v1.12.1/ninja-win.zip" | ||
| $NINJA_DL_SHA512 = "d6715c6458d798bcb809f410c0364dabd937b5b7a3ddb4cd5aba42f9fca45139b2a8a3e7fd9fbd88fd75d298ed99123220b33c7bdc8966a9d5f2a1c9c230955f" | ||
| $NINJA_DL_PATH = "${DL_BASEDIR}\ninja-win.zip" | ||
| $CurlArguments = '-s', '-Lf', '-o', "${NINJA_DL_PATH}", "${NINJA_DL_URL}" | ||
| & curl.exe @CurlArguments | ||
| $ninja_zip_hash = Get-FileHash -LiteralPath "${NINJA_DL_PATH}" -Algorithm SHA512 | ||
| if ($ninja_zip_hash.Hash -eq $NINJA_DL_SHA512) { | ||
| Write-Host "Successfully downloaded Ninja-Build .zip" | ||
| } | ||
| Else { | ||
| Write-Error "The downloaded Ninja-build zip hash '$($ninja_zip_hash.Hash)' does not match the expected hash: '$NINJA_DL_SHA512'" | ||
| } | ||
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| Write-Host "Extracting Ninja-Build..." | ||
| $NINJA_INSTALL_PATH = "$env:GITHUB_WORKSPACE\buildtools\ninja" | ||
| New-Item -ItemType Directory -Force -Path "${NINJA_INSTALL_PATH}" | ||
| Expand-Archive -LiteralPath "${NINJA_DL_PATH}" -DestinationPath "${NINJA_INSTALL_PATH}" | ||
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| # Export the NINJA executable path | ||
| "NINJA_INSTALL_PATH=${NINJA_INSTALL_PATH}" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append | ||
| "PATH=${NINJA_INSTALL_PATH}; $env:PATH" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append | ||
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| # export CMAKE_DEFINES to the runner environment | ||
| "CMAKE_DEFINES=${env:CMAKE_DEFINES} -DCMAKE_C_COMPILER=${env:MINGW_PKG_PREFIX}-gcc -DCMAKE_CXX_COMPILER=${env:MINGW_PKG_PREFIX}-g++ -DCMAKE_RC_COMPILER=${env:MINGW_PKG_PREFIX}-windres -DCMAKE_ASM_MASM_COMPILER=${env:MINGW_ASM_MASM_COMPILER}" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| # Toolchain file that should provide required and non-conflicting build- | ||
| # parameters to allow normal and cross-compilation to ARM64 targets on | ||
| # Windows using any generator. | ||
| SET(CMAKE_SYSTEM_PROCESSOR "ARM64") | ||
| SET(CMAKE_SYSTEM_NAME "Windows") |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // Copyright 2019 The Crashpad Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| // namespace crashpad { | ||
| // void CaptureContext(CONTEXT* context); | ||
| // } // namespace crashpad | ||
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| #include "arm64_pac_bti.S" | ||
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| #define CAPTURECONTEXT_SYMBOL _ZN8crashpad14CaptureContextEP8_CONTEXT | ||
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| .text | ||
| .globl CAPTURECONTEXT_SYMBOL | ||
| .balign 4, 0x0 | ||
| //.type CAPTURECONTEXT_SYMBOL, %function | ||
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| CAPTURECONTEXT_SYMBOL: | ||
| CRASHPAD_AARCH64_VALID_CALL_TARGET | ||
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| // Save general purpose registers in context.regs[i]. | ||
| // The original x0 can't be recovered. | ||
| stp x0, x1, [x0, #0x008] | ||
| stp x2, x3, [x0, #0x018] | ||
| stp x4, x5, [x0, #0x028] | ||
| stp x6, x7, [x0, #0x038] | ||
| stp x8, x9, [x0, #0x048] | ||
| stp x10, x11, [x0, #0x058] | ||
| stp x12, x13, [x0, #0x068] | ||
| stp x14, x15, [x0, #0x078] | ||
| stp x16, x17, [x0, #0x088] | ||
| stp x18, x19, [x0, #0x098] | ||
| stp x20, x21, [x0, #0x0a8] | ||
| stp x22, x23, [x0, #0x0b8] | ||
| stp x24, x25, [x0, #0x0c8] | ||
| stp x26, x27, [x0, #0x0d8] | ||
| stp x28, x29, [x0, #0x0e8] | ||
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| // The original LR can't be recovered. | ||
| str LR, [x0, #0x0f8] | ||
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| // Use x1 as a scratch register. | ||
| mov x1, SP | ||
| str x1, [x0, #0x100] // context.sp | ||
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| // The link register holds the return address for this function. | ||
| str LR, [x0, #0x108] // context.pc | ||
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| // pstate should hold SPSR but NZCV are the only bits we know about. | ||
| mrs x1, NZCV | ||
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| // Enable Control flags, such as CONTEXT_ARM64, CONTEXT_CONTROL, | ||
| // CONTEXT_INTEGER | ||
| ldr w1, =0x00400003 | ||
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| // Set ControlFlags /0x000/ and pstate /0x004/ at the same time. | ||
| str x1, [x0, #0x000] | ||
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| // Restore x1 from the saved context. | ||
| ldr x1, [x0, #0x010] | ||
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| // TODO(https://crashpad.chromium.org/bug/300): save floating-point registers | ||
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| ret |