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nordic, stm, mimxrt10xx, analog: shrink property objects #11371

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Merged
tannewt merged 1 commit into from
Sep 14, 2026
Merged

nordic, stm, mimxrt10xx, analog: shrink property objects #11371

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11 changes: 11 additions & 0 deletions ports/analog/linking/max32690_cktpy.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,12 @@ SECTIONS {
.text :
{
. = ALIGN(4);
__property_getter_start = .;
*(.property_getter)
__property_getter_end = .;
__property_getset_start = .;
*(.property_getset)
__property_getset_end = .;
_text = .;

/* ISR Vector beginning of .text */
Expand Down Expand Up @@ -183,4 +189,9 @@ SECTIONS {

/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= _ebss, "region RAM overflowed with stack")

ASSERT((__property_getter_end - __property_getter_start) % 8 == 0,
"the .property_getter section must hold whole 8-byte objects")
ASSERT((__property_getset_end - __property_getset_start) % 12 == 0,
"the .property_getset section must hold whole 12-byte objects")
}
3 changes: 3 additions & 0 deletions ports/analog/mpconfigport.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,9 @@
#
# SPDX-License-Identifier: MIT

# Properties get a dedicated linker section here, so they can drop the unused slots.
CIRCUITPY_OPTIMIZE_PROPERTY_FLASH_SIZE ?= 1

CHIP_FAMILY ?= max32

# Necessary to build CircuitPython
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11 changes: 11 additions & 0 deletions ports/mimxrt10xx/linking/common.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,12 @@ SECTIONS
.text :
{
. = ALIGN(4);
__property_getter_start = .;
*(.property_getter)
__property_getter_end = .;
__property_getset_start = .;
*(.property_getset)
__property_getset_end = .;
*(EXCLUDE_FILE(
*fsl_flexspi.o
*cd_ci_hs.o
Expand Down Expand Up @@ -210,4 +216,9 @@ SECTIONS
__StackTop = ORIGIN(DTCM) + LENGTH(DTCM);

.ARM.attributes 0 : { *(.ARM.attributes) }

ASSERT((__property_getter_end - __property_getter_start) % 8 == 0,
"the .property_getter section must hold whole 8-byte objects")
ASSERT((__property_getset_end - __property_getset_start) % 12 == 0,
"the .property_getset section must hold whole 12-byte objects")
}
3 changes: 3 additions & 0 deletions ports/mimxrt10xx/mpconfigport.mk
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
# Properties get a dedicated linker section here, so they can drop the unused slots.
CIRCUITPY_OPTIMIZE_PROPERTY_FLASH_SIZE ?= 1

LD_FILE = $(FLASH).ld $(CHIP_FAMILY).ld imxrt10xx.ld

INTERNAL_LIBM = 1
Expand Down
11 changes: 11 additions & 0 deletions ports/nordic/boards/common.template.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,12 @@ SECTIONS
.text :
{
. = ALIGN(4);
__property_getter_start = .;
*(.property_getter)
__property_getter_end = .;
__property_getset_start = .;
*(.property_getset)
__property_getset_end = .;
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.text))) /* .text sections (code) */
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.text*))) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
Expand Down Expand Up @@ -155,4 +161,9 @@ SECTIONS
*/

.ARM.attributes 0 : { *(.ARM.attributes) }

ASSERT((__property_getter_end - __property_getter_start) % 8 == 0,
"the .property_getter section must hold whole 8-byte objects")
ASSERT((__property_getset_end - __property_getset_start) % 12 == 0,
"the .property_getset section must hold whole 12-byte objects")
}
3 changes: 3 additions & 0 deletions ports/nordic/mpconfigport.mk
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Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
# All linking can be done with this common templated linker script, which has
# parameters that vary based on chip and/or board.
# Properties get a dedicated linker section here, so they can drop the unused slots.
CIRCUITPY_OPTIMIZE_PROPERTY_FLASH_SIZE ?= 1

LD_TEMPLATE_FILE = boards/common.template.ld

INTERNAL_LIBM = 1
Expand Down
11 changes: 11 additions & 0 deletions ports/stm/boards/common_default.ld
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Expand Up @@ -35,6 +35,12 @@ SECTIONS
.text :
{
. = ALIGN(4);
__property_getter_start = .;
*(.property_getter)
__property_getter_end = .;
__property_getset_start = .;
*(.property_getset)
__property_getset_end = .;
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down Expand Up @@ -95,4 +101,9 @@ SECTIONS


.ARM.attributes 0 : { *(.ARM.attributes) }

ASSERT((__property_getter_end - __property_getter_start) % 8 == 0,
"the .property_getter section must hold whole 8-byte objects")
ASSERT((__property_getset_end - __property_getset_start) % 12 == 0,
"the .property_getset section must hold whole 12-byte objects")
}
11 changes: 11 additions & 0 deletions ports/stm/boards/common_nvm.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,12 @@ SECTIONS
.text :
{
. = ALIGN(4);
__property_getter_start = .;
*(.property_getter)
__property_getter_end = .;
__property_getset_start = .;
*(.property_getset)
__property_getset_end = .;
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down Expand Up @@ -105,4 +111,9 @@ SECTIONS


.ARM.attributes 0 : { *(.ARM.attributes) }

ASSERT((__property_getter_end - __property_getter_start) % 8 == 0,
"the .property_getter section must hold whole 8-byte objects")
ASSERT((__property_getset_end - __property_getset_start) % 12 == 0,
"the .property_getset section must hold whole 12-byte objects")
}
11 changes: 11 additions & 0 deletions ports/stm/boards/common_tcm.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,12 @@ SECTIONS
.text :
{
. = ALIGN(4);
__property_getter_start = .;
*(.property_getter)
__property_getter_end = .;
__property_getset_start = .;
*(.property_getset)
__property_getset_end = .;
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down Expand Up @@ -146,4 +152,9 @@ SECTIONS
} >FLASH_FIRMWARE

.ARM.attributes 0 : { *(.ARM.attributes) }

ASSERT((__property_getter_end - __property_getter_start) % 8 == 0,
"the .property_getter section must hold whole 8-byte objects")
ASSERT((__property_getset_end - __property_getset_start) % 12 == 0,
"the .property_getset section must hold whole 12-byte objects")
}
3 changes: 3 additions & 0 deletions ports/stm/mpconfigport.mk
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
# Properties get a dedicated linker section here, so they can drop the unused slots.
CIRCUITPY_OPTIMIZE_PROPERTY_FLASH_SIZE ?= 1

LONGINT_IMPL ?= MPZ
INTERNAL_LIBM ?= 1

Expand Down
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