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[nrf fromtree] cmake: define linker argument for undefined symbol #3382

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Merged
merged 1 commit into from
Oct 20, 2025
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[nrf fromtree] cmake: define linker argument for undefined symbol #3382

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3 changes: 3 additions & 0 deletions arch/common/CMakeLists.txt
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Expand Up @@ -109,6 +109,9 @@ if (CONFIG_GEN_ISR_TABLES)
add_dependencies(isr_tables zephyr_generated_headers)
target_link_libraries(isr_tables zephyr_interface)
zephyr_library_link_libraries(isr_tables)

zephyr_link_libraries($<TARGET_PROPERTY:linker,undefined>_sw_isr_table)
zephyr_link_libraries($<TARGET_PROPERTY:linker,undefined>_irq_vector_table)
endif()

if(CONFIG_COVERAGE)
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2 changes: 2 additions & 0 deletions cmake/linker/arcmwdt/linker_flags.cmake
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Expand Up @@ -41,6 +41,8 @@ check_set_linker_property(TARGET linker PROPERTY orphan_error
${LINKERFLAGPREFIX},--orphan-handling=error
)

check_set_linker_property(TARGET linker PROPERTY undefined ${LINKERFLAGPREFIX},-u)

set_property(TARGET linker PROPERTY partial_linking "-r")

# Extra warnings options for twister run
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5 changes: 5 additions & 0 deletions cmake/linker/armlink/linker_flags.cmake
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@@ -0,0 +1,5 @@
# Copyright (c) 2025 Nordic Semiconductor
#
# SPDX-License-Identifier: Apache-2.0

set_property(TARGET linker PROPERTY undefined --undefined=)
1 change: 1 addition & 0 deletions cmake/linker/iar/linker_flags.cmake
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Expand Up @@ -23,6 +23,7 @@ set_property(TARGET linker PROPERTY optimization_speed --entry_list_in_address_o
set_property(TARGET linker PROPERTY optimization_size --entry_list_in_address_order)
set_property(TARGET linker PROPERTY optimization_size_aggressive --entry_list_in_address_order)

set_linker_property(TARGET linker PROPERTY undefined "--keep=")

string(APPEND CMAKE_C_LINK_FLAGS --no-wrap-diagnostics)

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2 changes: 2 additions & 0 deletions cmake/linker/ld/linker_flags.cmake
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Expand Up @@ -22,6 +22,8 @@ check_set_linker_property(TARGET linker PROPERTY orphan_error
${LINKERFLAGPREFIX},--orphan-handling=error
)

set_property(TARGET linker PROPERTY undefined ${LINKERFLAGPREFIX},--undefined=)

check_set_linker_property(TARGET linker PROPERTY memusage "${LINKERFLAGPREFIX},--print-memory-usage")

check_set_linker_property(TARGET linker PROPERTY sanitizer_undefined -fsanitize=undefined)
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6 changes: 4 additions & 2 deletions cmake/linker/xt-ld/linker_flags.cmake
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Expand Up @@ -19,11 +19,11 @@ check_set_linker_property(TARGET linker PROPERTY baremetal
)

check_set_linker_property(TARGET linker PROPERTY orphan_warning
${LINKERFLAGPREFIX},--orphan-handling=warn
${LINKERFLAGPREFIX},--orphan-handling=warn
)

check_set_linker_property(TARGET linker PROPERTY orphan_error
${LINKERFLAGPREFIX},--orphan-handling=error
${LINKERFLAGPREFIX},--orphan-handling=error
)

set_property(TARGET linker PROPERTY partial_linking "-r")
Expand All @@ -34,3 +34,5 @@ check_set_linker_property(TARGET linker PROPERTY sort_alignment
${LINKERFLAGPREFIX},--sort-common=descending
${LINKERFLAGPREFIX},--sort-section=alignment
)

set_property(TARGET linker PROPERTY undefined ${LINKERFLAGPREFIX},--undefined=)