Merge pull request #78277 from andrurogerz/swift-inspect-linux-cmake

[swift-inspect] support CMake build for Linux

Author: compnerd

tools/swift-inspect/CMakeLists.txt

@@ -27,6 +27,22 @@ if(WIN32)
     Sources/SwiftInspectClient/SwiftInspectClient.cpp)
   target_link_libraries(SwiftInspectClient PRIVATE
     SwiftInspectClientInterface)
+elseif(LINUX)
+  add_library(LinuxSystemHeaders INTERFACE)
+  target_include_directories(LinuxSystemHeaders INTERFACE
+    Sources/SwiftInspectLinux/SystemHeaders)
+
+  add_library(SwiftInspectLinux STATIC
+    Sources/SwiftInspectLinux/ElfFile.swift
+    Sources/SwiftInspectLinux/LinkMap.swift
+    Sources/SwiftInspectLinux/MemoryMap.swift
+    Sources/SwiftInspectLinux/Process.swift
+    Sources/SwiftInspectLinux/ProcFS.swift
+    Sources/SwiftInspectLinux/SymbolCache.swift)
+  target_compile_options(SwiftInspectLinux PRIVATE
+    -Xcc -D_GNU_SOURCE)
+  target_link_libraries(SwiftInspectLinux PUBLIC
+    LinuxSystemHeaders)
 endif()
 
 add_executable(swift-inspect
@@ -38,6 +54,7 @@ add_executable(swift-inspect
   Sources/swift-inspect/Operations/DumpRawMetadata.swift
   Sources/swift-inspect/Backtrace.swift
   Sources/swift-inspect/DarwinRemoteProcess.swift
+  Sources/swift-inspect/LinuxRemoteProcess.swift
   Sources/swift-inspect/main.swift
   Sources/swift-inspect/Process.swift
   Sources/swift-inspect/RemoteMirror+Extensions.swift
@@ -54,6 +71,9 @@ target_link_libraries(swift-inspect PRIVATE
 if(WIN32)
   target_link_libraries(swift-inspect PRIVATE
     SwiftInspectClientInterface)
+elseif(LINUX)
+  target_link_libraries(swift-inspect PRIVATE
+    SwiftInspectLinux)
 endif()
 
 install(TARGETS swift-inspect

tools/swift-inspect/README.md

@@ -32,6 +32,15 @@ In order to build on Windows with CMake, some additional parameters must be pass
 cmake -B out -G Ninja -S . -D ArgumentParser_DIR=... -D CMAKE_Swift_FLAGS="-Xcc -I%SDKROOT%\usr\include\swift\SwiftRemoteMirror"
 ~~~
 
+In order to build on Linux with CMake, some additional parameters must be passed to the build tool to locate the necessary Swift modules.
+
+~~~
+cmake -B out -G Ninja -S . -D ArgumentParser_DIR=... -D CMAKE_Swift_FLAGS="-Xcc -I$(git rev-parse --show-toplevel)/include/swift/SwiftRemoteMirror"
+~~~
+
+Building with CMake requires a local copy of [swift-argument-parser](https://github.com/apple/swift-argument-parser) built with CMake.
+The `ArumentParser_DIR=` definition must refer to the `cmake/modules` sub-directory of the swift-argument-parser build output directory.
+
 ### Using
 
 The following inspection operations are available currently.

tools/swift-inspect/Sources/SwiftInspectLinux/SystemHeaders/auxvec.h

@@ -10,4 +10,6 @@
 //
 //===----------------------------------------------------------------------===//
 
+#pragma once
+
 #include <linux/auxvec.h>

tools/swift-inspect/Sources/SwiftInspectLinux/SystemHeaders/elf.h

@@ -10,4 +10,6 @@
 //
 //===----------------------------------------------------------------------===//
 
+#pragma once
+
 #include <elf.h>

tools/swift-inspect/Sources/SwiftInspectLinux/SystemHeaders/link.h

@@ -10,4 +10,6 @@
 //
 //===----------------------------------------------------------------------===//
 
+#pragma once
+
 #include <link.h>

tools/swift-inspect/Sources/SwiftInspectLinux/SystemHeaders/uio.h

@@ -10,4 +10,6 @@
 //
 //===----------------------------------------------------------------------===//
 
+#pragma once
+
 #include <sys/uio.h>