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feat(log): Reserve first 4 bytes as zero for vars pointed to NULL

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For bin log, reserve the first 4 bytes as zero for variables that are pointed to NULL
and should not be printed in the log. So the esp-idf-monitor will skip printing
those variables.
This commit is contained in:
Konstantin Kondrashov
2025-06-30 16:11:38 +03:00
parent b05300be39
commit 8e7ed24eb6
13 changed files with 50 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
components/bootloader/subproject/main/ld/esp32/bootloader.ld
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@@ -268,6 +268,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32c2/bootloader.ld
View File

@@ -279,6 +279,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32c3/bootloader.ld
View File

@@ -279,6 +279,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32c5/bootloader.ld
View File

@@ -277,6 +277,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32c6/bootloader.ld
View File

@@ -278,6 +278,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32c61/bootloader.ld
View File

@@ -277,6 +277,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32h2/bootloader.ld
View File

@@ -277,6 +277,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32h21/bootloader.ld
View File

@@ -277,6 +277,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

14
components/bootloader/subproject/main/ld/esp32h4/bootloader.ld
View File

@@ -269,6 +269,20 @@ SECTIONS
* And so forth...
*/
/DISCARD/ : { *(.rela.*) }
/**
* This section is not included in the binary image; it is only present in the ELF file.
* It is used to keep certain symbols in the ELF file.
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);
}
}
/**

3
components/bootloader/subproject/main/ld/esp32p4/bootloader.ld
View File

@@ -277,6 +277,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32s2/bootloader.ld
View File

@@ -257,6 +257,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/bootloader/subproject/main/ld/esp32s3/bootloader.ld
View File

@@ -291,6 +291,9 @@ SECTIONS
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
_noload_keep_in_elf_end = ABSOLUTE(.);

3
components/esp_system/ld/elf_misc.ld.in
View File

@@ -6,6 +6,9 @@
*/
.noload 0 (INFO) :
{
/* Reserve first 4 bytes as zero for vars pointed to NULL */
. = 0;
LONG(0);
_noload_keep_in_elf_start = ABSOLUTE(.);
KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
mapping[noload_keep_in_elf]