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# libpsn00b interface targets
# (C) 2021 spicyjpeg - MPL licensed
# This script creates several "virtual" targets (psn00bsdk_*) that set include
# directories and compiler flags when a target is linked against them. The
# following targets are currently defined:
# - psn00bsdk_common
# - psn00bsdk_static_exe
# - psn00bsdk_dynamic_exe
# - psn00bsdk_static_lib
# - psn00bsdk_object_lib (same as psn00bsdk_static_lib)
# - psn00bsdk_shared_lib
# - psn00bsdk_module_lib (same as psn00bsdk_shared_lib)
#
# NOTE: building a static library and linking it as part of a DLL is currently
# *not* supported.
if(NOT TARGET psn00bsdk_common) # Include guard
add_library(psn00bsdk_common INTERFACE)
foreach(
_target IN ITEMS
static_exe dynamic_exe static_lib object_lib shared_lib module_lib
)
add_library (psn00bsdk_${_target} INTERFACE)
target_link_libraries(psn00bsdk_${_target} INTERFACE psn00bsdk_common)
endforeach()
# Options common to all target types:
# - Define PLAYSTATION=1
# - Optimize for MIPS R3000
# - Inject zero checks into division operations (will throw breaks)
# - All standard libraries (including libgcc) disabled
# - Put all symbols into separate sections when building
# - C++ features that require runtime support disabled
# - Unused section stripping enabled
target_compile_options(
psn00bsdk_common INTERFACE
# CPU options
-msoft-float
-march=r3000
-mtune=r3000
-mabi=32
-mno-mt
-mno-llsc
-mdivide-breaks
-O2
# Standard library options
-ffreestanding
-fno-builtin
-nostdlib
# Other options
-g
-fdata-sections
-ffunction-sections
-fsigned-char
-fno-strict-overflow
-fdiagnostics-color=always
$<$<COMPILE_LANGUAGE:CXX>:
# C++ options
-fno-exceptions
-fno-rtti
-fno-unwind-tables
-fno-threadsafe-statics
-fno-use-cxa-atexit
>
)
target_link_options(
psn00bsdk_common INTERFACE
-nostdlib
-Wl,-gc-sections
)
target_compile_definitions(
psn00bsdk_common INTERFACE
PLAYSTATION=1
$<$<CONFIG:DEBUG>:DEBUG=1>
)
# Options for executables without support for dynamic linking:
# - Position-independent code disabled
# - GP-relative addressing enabled only for local symbols
# - ABI-compatible calls disabled (incompatible with GP-relative addr)
target_compile_options(
psn00bsdk_static_exe INTERFACE
-G8
-fno-pic
-mno-abicalls
-mgpopt
-mno-extern-sdata
)
target_link_options(
psn00bsdk_static_exe INTERFACE
-G8
-static
)
# Options for executables with support for dynamic linking:
# - Position-independent code disabled
# - GP-relative addressing disabled
# - ABI-compatible calls disabled (must be performed manually)
target_compile_options(
psn00bsdk_dynamic_exe INTERFACE
-G0
-fno-pic
-mno-abicalls
-mno-gpopt
)
target_link_options(
psn00bsdk_dynamic_exe INTERFACE
-G0
-static
)
# Options for static libraries:
# - Position-independent code disabled
# - GP-relative addressing disabled
# - ABI-compatible calls disabled
# - Local stripping enabled
target_compile_options(
psn00bsdk_static_lib INTERFACE
-G0
-fno-pic
-mno-abicalls
-mno-gpopt
-Wa,--strip-local-absolute
)
target_link_libraries(psn00bsdk_object_lib INTERFACE psn00bsdk_static_lib)
# Options for dynamically-loaded libraries:
# - Position-independent code enabled
# - GP-relative addressing disabled (incompatible with ABI calls)
# - ABI-compatible calls enabled
target_compile_options(
psn00bsdk_shared_lib INTERFACE
-G0
-fPIC
-mabicalls
-mno-gpopt
-mshared
)
target_link_options(
psn00bsdk_shared_lib INTERFACE
-G0
-shared
)
target_link_libraries(psn00bsdk_module_lib INTERFACE psn00bsdk_shared_lib)
endif()
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