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linker: Place .tbss section in RAM, not FLASH

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If this section is placed in FLASH, the section gets marked
as writable even though .tbss values will never be stored there.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2025-05-06 19:30:09 -07:00 • committed by Benjamin Cabé
commit 5890c73087
2 changed files with 3 additions and 3 deletions
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2
cmake/linker_script/common/thread-local-storage.cmake
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@ -13,7 +13,7 @@ if(CONFIG_THREAD_LOCAL_STORAGE)
zephyr_linker_section_configure(SECTION .tbss INPUT ".tbss.*") zephyr_linker_section_configure(SECTION .tbss INPUT ".tbss.*")
zephyr_linker_section_configure(SECTION .tbss INPUT ".gnu.linkonce.tb.*") zephyr_linker_section_configure(SECTION .tbss INPUT ".gnu.linkonce.tb.*")
zephyr_linker_section_configure(SECTION .tbss INPUT ".tcommon") zephyr_linker_section_configure(SECTION .tbss INPUT ".tcommon")
# GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) # GROUP_ROM_LINK_IN(RAMABLE_REGION, RAMABLE_REGION)
# #
# These needs to be outside of the tdata/tbss # These needs to be outside of the tdata/tbss

4
include/zephyr/linker/thread-local-storage.ld
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@ -8,10 +8,10 @@
*(.tdata .tdata.* .gnu.linkonce.td.*); *(.tdata .tdata.* .gnu.linkonce.td.*);
} GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
SECTION_DATA_PROLOGUE(tbss,,) SECTION_DATA_PROLOGUE(tbss,(NOLOAD),)
{ {
*(.tbss .tbss.* .gnu.linkonce.tb.* .tcommon); *(.tbss .tbss.* .gnu.linkonce.tb.* .tcommon);
} GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) } GROUP_ROM_LINK_IN(RAMABLE_REGION, RAMABLE_REGION)
/* /*
* These needs to be outside of the tdata/tbss * These needs to be outside of the tdata/tbss