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Prevents multiple objcopy passes from corrupting binary.

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This commit is contained in:
Erik Abair 2023-07-18 21:55:24 -07:00
parent 2431c96d73
commit b8a198ac6e
2 changed files with 18 additions and 20 deletions
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4
CMakeLists.txt
View File

@ -368,6 +368,10 @@ add_executable(
src/tests/zero_stride_tests.h
${generated_vertex_shaders}
)
# Pull debug info out of the binary into a host-side linked binary.
split_debug("${TARGET}")
set(EXECUTABLE_BINARY "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.exe")
target_include_directories(
"${TARGET}"

34
cmake/modules/XBEUtils.cmake
View File

@ -28,31 +28,30 @@ function(_make_abs_paths list_name)
set(${list_name} ${ret} PARENT_SCOPE)
endfunction()
# split_debug(executable_file debug_file_variable)
# split_debug(executable_target)
#
# Splits debugging information from the given `executable_file`, generating a companion file ending in ".debug.exe"
# Sets `debug_file_variable` in the parent scope to the generated file.
# Splits debugging information from the given `executable_target`, generating a companion file ending in ".debug.exe".
function(split_debug)
if (${ARGC} LESS 1)
message(FATAL_ERROR "Missing required 'executable_file' parameter.")
elseif (${ARGC} LESS 2)
message(FATAL_ERROR "Missing required 'debug_file_variable_name' parameter.")
message(FATAL_ERROR "Missing required 'executable_target' parameter.")
endif ()
set(exe_file "${ARGV0}")
set(debug_file_variable "${ARGV1}")
get_filename_component(exe_dirname "${exe_file}" DIRECTORY)
get_filename_component(exe_basename "${exe_file}" NAME_WE)
set(executable_target "${ARGV0}")
set(exe_file "${CMAKE_BINARY_DIR}/${executable_target}.exe")
get_filename_component(exe_dirname "${CMAKE_BINARY_DIR}/${executable_target}" DIRECTORY)
get_filename_component(exe_basename "${executable_target}" NAME_WE)
set(output "${exe_dirname}/${exe_basename}.debug.exe")
add_custom_command(
OUTPUT "${output}"
TARGET "${executable_target}"
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${exe_file}" "${output}"
COMMAND "${CMAKE_OBJCOPY}" --strip-debug "${exe_file}"
COMMAND "${CMAKE_OBJCOPY}" --add-gnu-debuglink="${output}" "${exe_file}"
DEPENDS "${exe_file}"
COMMAND "${CMAKE_OBJCOPY}" "--add-gnu-debuglink=${output}" "${exe_file}"
COMMENT Splitting debug information to reduce binary size...
VERBATIM
BYPRODUCTS "${output}"
)
set("${debug_file_variable}" "${output}" PARENT_SCOPE)
endfunction()
function(add_xbe)
@ -74,11 +73,6 @@ function(add_xbe)
set(target "${ARGV0}")
set(exe_file "${ARGV1}")
# exe_file will be updated to contain the stripped binary and
# exe_file_DEBUG will be created to track the generated debug artifact.
split_debug("${exe_file}" exe_file_DEBUG)
message("DEBUG FILE: ${exe_file} -> ${exe_file_DEBUG}")
if (NOT XBE_XBENAME)
set(XBE_XBENAME default.xbe)
endif ()
@ -116,7 +110,7 @@ function(add_xbe)
"-TITLE:${XBE_TITLE}"
"-OUT:${XBE_OUTPUT_PATH}"
"${exe_file}"
DEPENDS "${exe_file}" "${exe_file_DEBUG}"
DEPENDS "${exe_file}"
)
# Copy resources to the staging directory.