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cmake_minimum_required(VERSION 3.14)

include(../../make/policies.cmake NO_POLICY_SCOPE)

# DynamoRIO eXtension utilities

# We do not need libc, and we avoid a 10x size increase in both our
# dll and pdb (plus we avoid stressing private library isolation) by
# not using it (i#714).
set(DynamoRIO_USE_LIBC OFF)

set(srcs
  drx.c
  drx_buf.c
  scatter_gather_${ARCH_NAME}.c
  scatter_gather_shared.c
  # add more here
  )

# XXX i#7504: Time and timer scaling currently only supports Linux.
if (LINUX)
  set(srcs ${srcs} drx_time_scale.c)
endif ()

# i#1491#2: VS generators fail if static lib has resources
set(srcs_static ${srcs})

if (WIN32)
  set(srcs ${srcs} ${PROJECT_SOURCE_DIR}/core/win32/resources.rc)
endif ()

add_library(drx SHARED ${srcs})
# while private loader means preferred base is not required, more efficient
# to avoid rebase so we avoid conflict w/ client and other exts
set(PREFERRED_BASE 0x77000000)
configure_extension(drx OFF OFF)
use_DynamoRIO_extension(drx drcontainers)
use_DynamoRIO_extension(drx drmgr)
use_DynamoRIO_extension(drx drreg)

# While we use drmgr in our implementation of drx, we only use pieces that
# do not rely on drmgr's 4 phases or event orderings, and we do not include
# drmgr.h in drx.h, all so that drx users need not use drmgr.
use_DynamoRIO_extension(drx drmgr)

macro(configure_drx_target target)
  if (WIN32)
    target_link_libraries(${target} ntdll_imports)
  endif ()
  target_include_directories(${target}
    PRIVATE
      ${CMAKE_CURRENT_SOURCE_DIR})
endmacro()

configure_drx_target(drx)

add_library(drx_static STATIC ${srcs_static})
configure_extension(drx_static ON OFF)
use_DynamoRIO_extension(drx_static drcontainers)
use_DynamoRIO_extension(drx_static drmgr_static)
use_DynamoRIO_extension(drx_static drreg_static)
configure_drx_target(drx_static)

add_library(drx_drstatic STATIC ${srcs_static})
configure_extension(drx_drstatic ON ON)
use_DynamoRIO_extension(drx_drstatic drcontainers_drstatic)
use_DynamoRIO_extension(drx_drstatic drmgr_drstatic)
use_DynamoRIO_extension(drx_drstatic drreg_drstatic)
configure_drx_target(drx_drstatic)

install_ext_header(drx.h)