fixed pie flag not being passed to linker

CMakeLists.txt

@@ -33,9 +33,12 @@ include_directories	(SYSTEM "${D_PS5SDK}/include")
 add_subdirectory("crt")
 
 add_subdirectory("examples/hello_socket")
-add_subdirectory("examples/klog_server")
 add_subdirectory("examples/pipe_pirate")
 
+if (DEFINED V_FW AND ${V_FW} STREQUAL "0x403")
+	add_subdirectory("examples/klog_server")
+endif()
+
 MACRO(SUBDIRLIST result curdir)
 	FILE(GLOB children RELATIVE ${curdir} ${curdir}/*)
 	SET(dirlist "")

build.bat

@@ -0,0 +1,2 @@
+cmake -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_TOOLCHAIN_FILE=%PS5SDK%/cmake/toolchain-ps5.cmake .
+ninja

cmake/toolchain-ps5.cmake

@@ -36,14 +36,14 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) # Search for programs in the build
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)  # For libraries and headers in the target directories
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
-set(CMAKE_C_FLAGS "--target=x86_64-freebsd-pc-elf -O0 -DPPR -DPS5 -DPS5_FW_VERSION=${V_FW} ")
+set(CMAKE_C_FLAGS "--target=x86_64-freebsd-pc-elf -march=znver2 -O0 -DPPR -DPS5 -DPS5_FW_VERSION=${V_FW} ")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_POSIX_SOURCE -D_POSIX_C_SOURCE=200112 -D__BSD_VISIBLE=1 -D__XSI_VISIBLE=500")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-builtin -nostdlib -Wall -m64") #  -nostartfiles
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer -fPIC -fPIE -pie -Wl,-z,norelro")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer -fPIC -fPIE")
 
 set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -nostdinc++ ") #
 
 set(CMAKE_ASM_FLAGS "--target=x86_64-pc-freebsd11-elf -nostdlib -fPIC -fPIE")
 
 #-DCMAKE_LINKER=/path/to/linker -DCMAKE_CXX_LINK_EXECUTABLE="<CMAKE_LINKER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
-set(CMAKE_EXE_LINKER_FLAGS "-fuse-ld=lld -Xlinker -T ${CMAKE_CURRENT_SOURCE_DIR}/linker.x -Wl,--build-id=none -Wl,-z,norelro")
+set(CMAKE_EXE_LINKER_FLAGS "-fuse-ld=lld -Xlinker -pie -Xlinker -T ${CMAKE_CURRENT_SOURCE_DIR}/linker.x -Wl,--build-id=none -Wl,-z,norelro")

crt/CMakeLists.txt

@@ -6,50 +6,39 @@
 cmake_minimum_required (VERSION 3.20)
 
 set(basename "ps5sdk_crt")
-project(${basename} C CXX ASM)
+project(${basename} C)
 
 # Language Standard Defaults
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
 
-set(CMAKE_CXX_EXTENSIONS ON)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-
-if ("${CMAKE_CXX_STANDARD}" STREQUAL "")
-	set(CMAKE_CXX_STANDARD 23)
-endif()
-
 set(CMAKE_VERBOSE_MAKEFILE ON)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${D_CWD}/bin)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${D_CWD}/lib)
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${D_CWD}/lib)	# static libs are archive
 
-if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "[Cc]lang")
+if ("${CMAKE_C_COMPILER_ID}" MATCHES "[Cc]lang")
 	set(IS_CLANG 1)
 else()
-	message(FATAL_ERROR "${PROJECT_NAME} is meant to be built with clang! CompilerID: ${CMAKE_CXX_COMPILER_ID}")
+	message(FATAL_ERROR "${PROJECT_NAME} is meant to be built with clang! CompilerID: ${CMAKE_C_COMPILER_ID}")
 endif()
 
 if (NOT DEFINED D_PS5SDK)
 	set(D_PS5SDK ".")
 endif()
 
 message("  C_FLAGS: ${CMAKE_C_FLAGS}  ")
-message("CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
-message("ASM_FLAGS: ${CMAKE_ASM_FLAGS}")
 
 ########## finalize main target sources ##########
 
 set(D_CRT_SRC ${D_CWD}/crt)
 
-file(GLOB SrcFiles ${D_CRT_SRC}/*.c ${D_CRT_SRC}/*.s)
+file(GLOB SrcFiles ${D_CRT_SRC}/*.c)
 
 add_library(${PROJECT_NAME} STATIC ${SrcFiles})
 
 target_compile_options(${PROJECT_NAME} PUBLIC
     $<$<COMPILE_LANGUAGE:C>:${C_DEFS} ${C_FLAGS}>
-    $<$<COMPILE_LANGUAGE:CXX>:${CXX_DEFS} ${CXX_FLAGS}>
-    $<$<COMPILE_LANGUAGE:ASM>:$<IF:${IS_CLANG},-Xclang,-x> assembler-with-cpp ${ASM_FLAGS}>
 )

crt/crt.c

@@ -41,4 +41,8 @@ void __ps5sdk_crt_start(struct payload_args *args)
 
 out:
 	*(int *)args->payloadout = rv;
-}
+}
+
+void __attribute__((naked)) _start(void) {
+	asm volatile("jmp __ps5sdk_crt_start\n");
+}