soc: espressif: add missing linker symbols

Provide missing symbols to the default linker scripts.

Signed-off-by: Marek Matej <[email protected]>

Author: marekmatej

soc/espressif/esp32/default.ld

@@ -789,7 +789,6 @@ SECTIONS
     *(.dynamic)
     *(.gnu.version_d)
     . = ALIGN(4);
-    _rodata_end = ABSOLUTE(.);
     __rodata_region_end = ABSOLUTE(.);
     /* Literals are also RO data. */
     _lit4_start = ABSOLUTE(.);
@@ -846,6 +845,7 @@ SECTIONS
     _stext = .;
     _instruction_reserved_start = ABSOLUTE(.);  /* This is a symbol marking the flash.text start, this can be used for mmu driver to maintain virtual address */
     _text_start = ABSOLUTE(.);
+    __text_region_start = ABSOLUTE(.);
 
 #ifndef CONFIG_ESP32_WIFI_IRAM_OPT
     *libnet80211.a:( .wifi0iram  .wifi0iram.* .wifislpiram .wifislpiram.*)
@@ -864,6 +864,7 @@ SECTIONS
     . = ALIGN(4);
     _text_end = ABSOLUTE(.);
     _instruction_reserved_end = ABSOLUTE(.);  /* This is a symbol marking the flash.text end, this can be used for mmu driver to maintain virtual address */
+    __text_region_end = ABSOLUTE(.);
     _etext = .;
   } GROUP_DATA_LINK_IN(FLASH_CODE_REGION, ROMABLE_REGION)
 

soc/espressif/esp32c3/default.ld

@@ -658,7 +658,7 @@ SECTIONS
     *(.rodata_desc .rodata_desc.*)
     *(.rodata_custom_desc .rodata_custom_desc.*)
 
-    __rodata_region_start = .;
+    __rodata_region_start = ABSOLUTE(.);
 
     . = ALIGN(4);
     #include <snippets-rodata.ld>
@@ -684,7 +684,7 @@ SECTIONS
     *(.xt_except_desc_end)
     *(.dynamic)
     *(.gnu.version_d)
-    __rodata_region_end = .;
+    __rodata_region_end = ABSOLUTE(.);
     _rodata_end = ABSOLUTE(.);
     /* Literals are also RO data. */
     _lit4_start = ABSOLUTE(.);
@@ -745,6 +745,7 @@ SECTIONS
     _instruction_reserved_start = ABSOLUTE(.);
     _text_start = ABSOLUTE(.);
     _instruction_reserved_start = ABSOLUTE(.);
+    __text_region_start = ABSOLUTE(.);
 
 #if !defined(CONFIG_ESP32_WIFI_IRAM_OPT)
     *libnet80211.a:( .wifi0iram  .wifi0iram.* .wifislpiram .wifislpiram.*)
@@ -765,24 +766,19 @@ SECTIONS
 
     *(.gnu.version)
 
-    /** CPU will try to prefetch up to 16 bytes of
-      * of instructions. This means that any configuration (e.g. MMU, PMS) must allow
-      * safe access to up to 16 bytes after the last real instruction, add
-      * dummy bytes to ensure this
-      */
+    /* CPU will try to prefetch up to 16 bytes of
+     * of instructions. This means that any configuration (e.g. MMU, PMS) must allow
+     * safe access to up to 16 bytes after the last real instruction, add
+     * dummy bytes to ensure this
+     */
     . += 16;
 
     _instruction_reserved_end = ABSOLUTE(.);
     _text_end = ABSOLUTE(.);
     _instruction_reserved_end = ABSOLUTE(.);
+    __text_region_end = ABSOLUTE(.);
     _etext = .;
 
-    /**
-     * Similar to _iram_start, this symbol goes here so it is
-     * resolved by addr2line in preference to the first symbol in
-     * the flash.text segment.
-     */
-    //_flash_cache_start = ABSOLUTE(0);
   } GROUP_DATA_LINK_IN(FLASH_CODE_REGION, ROMABLE_REGION)
 
   /* --- END OF .flash.text --- */

soc/espressif/esp32s2/default.ld

@@ -839,7 +839,7 @@ SECTIONS
     *(.dynamic)
     *(.gnu.version_d)
     . = ALIGN(4);
-    __rodata_region_end = ABSOLUTE(.);
+    _rodata_end = ABSOLUTE(.);
     /* Literals are also RO data. */
     _lit4_start = ABSOLUTE(.);
     *(*.lit4)
@@ -868,8 +868,8 @@ SECTIONS
   {
     . = ALIGN(CACHE_ALIGN);
     _image_rodata_end = ABSOLUTE(.);
-    _rodata_region_end = ABSOLUTE(.);
     _rodata_reserved_end = ABSOLUTE(.);
+    __rodata_region_end = ABSOLUTE(.);
 
   } GROUP_DATA_LINK_IN(RODATA_REGION, ROMABLE_REGION)
 
@@ -891,6 +891,7 @@ SECTIONS
     _stext = .;
     _instruction_reserved_start = ABSOLUTE(.);
     _text_start = ABSOLUTE(.);
+    __text_region_start = ABSOLUTE(.);
 
 #if !defined(CONFIG_ESP32_WIFI_IRAM_OPT)
     *libnet80211.a:( .wifi0iram  .wifi0iram.* .wifislpiram .wifislpiram.*)
@@ -919,13 +920,9 @@ SECTIONS
 
     _text_end = ABSOLUTE(.);
     _instruction_reserved_end = ABSOLUTE(.);  /* This is a symbol marking the flash.text end, this can be used for mmu driver to maintain virtual address */
+    __text_region_end = ABSOLUTE(.);
     _etext = .;
 
-    /* Similar to _iram_start, this symbol goes here so it is
-     * resolved by addr2line in preference to the first symbol in
-     * the flash.text segment.
-     */
-     _flash_cache_start = ABSOLUTE(0);
   } GROUP_DATA_LINK_IN(ROTEXT_REGION, ROMABLE_REGION)
 
   /* --- END OF .flash.text --- */

soc/espressif/esp32s3/default.ld

@@ -744,6 +744,7 @@ SECTIONS
     _stext = .;
     _instruction_reserved_start = ABSOLUTE(.);
     _text_start = ABSOLUTE(.);
+    __text_region_start = ABSOLUTE(.);
 
 #if !defined(CONFIG_ESP32_WIFI_IRAM_OPT)
     *libnet80211.a:( .wifi0iram  .wifi0iram.* .wifislpiram .wifislpiram.*)
@@ -771,13 +772,9 @@ SECTIONS
 
     _text_end = ABSOLUTE(.);
     _instruction_reserved_end = ABSOLUTE(.);  /* This is a symbol marking the flash.text end, this can be used for mmu driver to maintain virtual address */
+    __text_region_end = ABSOLUTE(.);
     _etext = .;
 
-    /* Similar to _iram_start, this symbol goes here so it is
-     * resolved by addr2line in preference to the first symbol in
-     * the flash.text segment.
-     */
-    //_flash_cache_start = ABSOLUTE(0);
   } GROUP_DATA_LINK_IN(FLASH_CODE_REGION, ROMABLE_REGION)
 
   /* This dummy section represents the .flash.text section but in default_rodata_seg.