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Update readme, update the cmake files.

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This commit is contained in:
Enrico Fraccaroli
2021-12-18 17:32:03 +01:00
parent 0ca6e9627f
commit 3013442c9d
6 changed files with 350 additions and 429 deletions
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programs/CMakeLists.txt
+40 -53
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@@ -6,15 +6,6 @@ cmake_minimum_required(VERSION 2.8)
# Initialize the project.
project(programs C)
# =============================================================================
# Set the default build type to Debug.
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "Setting build type to 'Debug' as none was specified.")
set(CMAKE_BUILD_TYPE
"Debug"
CACHE STRING "Choose the type of build." FORCE)
endif()
# =============================================================================
# Set the directory where the compiled binaries will be placed.
set(MENTOS_BIN_DIR ${CMAKE_SOURCE_DIR}/files/bin)
@@ -22,14 +13,16 @@ set(MENTOS_BIN_DIR ${CMAKE_SOURCE_DIR}/files/bin)
# =============================================================================
# Warning flags.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpedantic")
#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-variable")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unknown-pragmas")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-but-set-variable")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
# Set the compiler options.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -u_start")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
@@ -38,13 +31,12 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-builtin")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
endif(CMAKE_BUILD_TYPE STREQUAL "Debug")
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -no-pie -Wl,-z,norelro")
# =============================================================================
# Add the executables (manually).
@@ -75,54 +67,49 @@ set(PROGRAMS
ipcs.c
sleep.c
man.c
)
)
foreach(PROGRAM ${PROGRAMS})
# Prepare the program name.
string(REPLACE ".c" "" PROGRAM_NAME ${PROGRAM})
# Prepare the program name.
string(REPLACE ".c" "" PROGRAM_NAME ${PROGRAM})
# Set the name of the target.
set(TARGET_NAME prog_${PROGRAM_NAME})
# Set the name of the target.
set(TARGET_NAME prog_${PROGRAM_NAME})
# Log the entry.
message(VERBOSE "Program ${PROGRAM_NAME} (source: ${PROGRAM}, make target: ${TARGET_NAME})")
# Randomize .text section address so when debugging symbols don't clash.
# The allowed range is from 256MB to 2.75GB
# Minimum allowed address: 0x10000000
# Max allowed address: 0xB0000000
string(MD5 RAND_HASH ${PROGRAM})
string(SUBSTRING ${RAND_HASH} 1 3 TEXADDR_INFIX)
string(RANDOM LENGTH 1 ALPHABET 0123456789AB RANDOM_SEED ${RAND_HASH} TEXADDR_FIRST)
# Randomize .text section address so when debugging symbols don't clash The allowed range is from 256MB to 2.75GB Minimum allowed address: 0x10000000 Max allowed address:
# 0xB0000000
string(MD5 RAND_HASH ${PROGRAM})
string(SUBSTRING ${RAND_HASH} 1 3 TEXADDR_INFIX)
string(
RANDOM
LENGTH 1
ALPHABET 0123456789AB
RANDOM_SEED ${RAND_HASH} TEXADDR_FIRST)
# Create the target.
add_executable(${TARGET_NAME} ${PROGRAM})
# Create the target.
add_executable(${TARGET_NAME} ${PROGRAM})
# Add the includes.
target_include_directories(${TARGET_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/libc/inc)
# Add the includes.
target_include_directories(${TARGET_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/libc/inc)
# Link the libc library.
target_link_libraries(${TARGET_NAME} ${CMAKE_BINARY_DIR}/libc/libc.a)
# Link the libc library.
target_link_libraries(${TARGET_NAME} ${CMAKE_BINARY_DIR}/libc/libc.a)
# Add the dependency to libc.
add_dependencies(${TARGET_NAME} libc)
# Add the dependency to libc.
add_dependencies(${TARGET_NAME} libc)
# Add the linking properties.
set_target_properties(${TARGET_NAME} PROPERTIES LINK_FLAGS "-Wl,-Ttext=0x${TEXADDR_FIRST}${TEXADDR_INFIX}0000")
# Add the linking properties.
set_target_properties(${TARGET_NAME} PROPERTIES LINK_FLAGS "-Wl,-Ttext=0x${TEXADDR_FIRST}${TEXADDR_INFIX}0000")
# Add the final target that strips the debugging symbols from the program.
add_custom_command(TARGET ${TARGET_NAME}
BYPRODUCTS ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
COMMAND strip --strip-debug ${PROJECT_BINARY_DIR}/${TARGET_NAME} -o ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
DEPENDS ${TARGET_NAME}
)
# Add the final target that strips the debugging symbols from the program.
add_custom_target(
${PROGRAM_NAME}
BYPRODUCTS ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
COMMAND mkdir -p ${MENTOS_BIN_DIR}
# COMMAND cp ${PROJECT_BINARY_DIR}/${TARGET_NAME}
# ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
COMMAND strip --strip-debug ${PROJECT_BINARY_DIR}/${TARGET_NAME} -o ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
DEPENDS ${TARGET_NAME})
# Log the entry.
message(VERBOSE "Program ${PROGRAM_NAME}, `.text` at 0x${TEXADDR_FIRST}${TEXADDR_INFIX}0000")
# Append the program name to the list of all the executables.
list(APPEND ALL_EXECUTABLES ${PROGRAM_NAME})
# Append the program name to the list of all the executables.
list(APPEND ALL_EXECUTABLES ${PROGRAM_NAME})
endforeach()
# Add the overall target that builds all the programs.