fix(system): print warning if stray section is found while linking

Kconfig

@@ -607,6 +607,27 @@ mainmenu "Espressif IoT Development Framework Configuration"
             default "gcc" if COMPILER_RT_LIB_GCCLIB
             default "" if COMPILER_RT_LIB_HOST
 
+        choice COMPILER_ORPHAN_SECTIONS
+            prompt "Orphan sections handling"
+            default COMPILER_ORPHAN_SECTIONS_WARNING
+            depends on !IDF_TARGET_LINUX
+            help
+                If the linker finds orphan sections, it attempts to place orphan sections after sections of the same
+                attribute such as code vs data, loadable vs non-loadable, etc.
+                That means that orphan sections could placed between sections defined in IDF linker scripts.
+                This could lead to corruption of the binary image. Configure the linker action here.
+
+            config COMPILER_ORPHAN_SECTIONS_WARNING
+                bool "Place with warning"
+                help
+                    Places orphan sections without a warning message.
+
+            config COMPILER_ORPHAN_SECTIONS_PLACE
+                bool "Place silently"
+                help
+                    Places orphan sections without a warning/error message.
+        endchoice
+
     endmenu # Compiler Options
 
     menu "Component config"

components/bootloader/subproject/main/ld/esp32/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -119,6 +119,7 @@ SECTIONS
 
   .dram0.data : ALIGN(0x10)
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -144,6 +145,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /*  C++ constructor and destructor tables, properly ordered:  */
@@ -208,12 +210,55 @@ SECTIONS
    */
   .xt.prop 0 :
   {
-    KEEP (*(.xt.prop .gnu.linkonce.prop.*))
+    KEEP (*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*))
   }
 
   .xt.lit 0 :
   {
-    KEEP (*(.xt.lit .gnu.linkonce.p.*))
+    KEEP (*(.xt.lit .xt.lit.* .gnu.linkonce.p.*))
   }
 
+  .xtensa.info 0: { *(.xtensa.info) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
 }

components/bootloader/subproject/main/ld/esp32c2/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -140,6 +140,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -165,6 +166,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -218,6 +220,57 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
 }
 
 /**

components/bootloader/subproject/main/ld/esp32c3/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -140,6 +140,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -165,6 +166,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -218,6 +220,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 

components/bootloader/subproject/main/ld/esp32c5/beta3/bootloader.ld

@@ -139,6 +139,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -164,6 +165,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -217,6 +219,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 

components/bootloader/subproject/main/ld/esp32c5/mp/bootloader.ld

@@ -138,6 +138,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -163,6 +164,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -216,6 +218,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 

components/bootloader/subproject/main/ld/esp32c6/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -138,6 +138,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -163,6 +164,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -216,6 +218,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 

components/bootloader/subproject/main/ld/esp32c61/bootloader.ld

@@ -138,6 +138,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -163,6 +164,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -216,6 +218,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 

components/bootloader/subproject/main/ld/esp32h2/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -138,7 +138,7 @@ SECTIONS
 
   .dram0.data :
   {
-    _data_start = ABSOLUTE(.);
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -164,6 +164,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -217,6 +218,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 /**

components/bootloader/subproject/main/ld/esp32p4/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -131,9 +131,15 @@ SECTIONS
     _bss_end = ABSOLUTE(.);
   } > dram_seg
 
-  .dram0.data :
+  .dram0.bootdesc : ALIGN(0x10)
   {
     _data_start = ABSOLUTE(.);
+    *(.data_bootloader_desc .data_bootloader_desc.*)               /* Should be the first.  Bootloader version info.        DO NOT PUT ANYTHING BEFORE IT! */
+  } > dram_seg
+
+  .dram0.data :
+  {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -159,6 +165,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -212,6 +219,58 @@ SECTIONS
     _etext = .;
   } > iram_seg
 
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+  /**
+   * Discarding .rela.* sections results in the following mapping:
+   * .rela.text.* -> .text.*
+   * .rela.data.* -> .data.*
+   * And so forth...
+   */
+  /DISCARD/ : { *(.rela.*) }
+
 }
 
 

components/bootloader/subproject/main/ld/esp32s2/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -108,6 +108,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -133,6 +134,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /*  C++ constructor and destructor tables, properly ordered:  */
@@ -205,4 +207,48 @@ SECTIONS
     KEEP (*(.xt.lit .gnu.linkonce.p.*))
   }
 
+  .xtensa.info 0: { *(.xtensa.info) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
 }

components/bootloader/subproject/main/ld/esp32s3/bootloader.ld

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -142,6 +142,7 @@ SECTIONS
 
   .dram0.data :
   {
+    *(.dram1 .dram1.*) /* catch stray DRAM_ATTR */
     *(.data)
     *(.data.*)
     *(.gnu.linkonce.d.*)
@@ -167,6 +168,7 @@ SECTIONS
     *(.gcc_except_table)
     *(.gnu.linkonce.e.*)
     *(.gnu.version_r)
+    *(.eh_frame_hdr)
     *(.eh_frame)
     . = (. + 3) & ~ 3;
     /* C++ constructor and destructor tables, properly ordered: */
@@ -239,6 +241,50 @@ SECTIONS
     KEEP (*(.xt.lit .gnu.linkonce.p.*))
   }
 
+  .xtensa.info 0: { *(.xtensa.info) }
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
 }
 
 /**

components/esp_system/ld/elf_misc.ld.in

@@ -0,0 +1,87 @@
+#include "sdkconfig.h"
+
+  /* DWARF 1 */
+  .debug              0 : { *(.debug) }
+  .line               0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo      0 : { *(.debug_srcinfo) }
+  .debug_sfnames      0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges      0 : { *(.debug_aranges) }
+  .debug_pubnames     0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info         0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev       0 : { *(.debug_abbrev) }
+  .debug_line         0 : { *(.debug_line) }
+  .debug_frame        0 : { *(.debug_frame) }
+  .debug_str          0 : { *(.debug_str) }
+  .debug_loc          0 : { *(.debug_loc) }
+  .debug_macinfo      0 : { *(.debug_macinfo) }
+  .debug_pubtypes     0 : { *(.debug_pubtypes) }
+  /* DWARF 3 */
+  .debug_ranges       0 : { *(.debug_ranges) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames    0 : { *(.debug_weaknames) }
+  .debug_funcnames    0 : { *(.debug_funcnames) }
+  .debug_typenames    0 : { *(.debug_typenames) }
+  .debug_varnames     0 : { *(.debug_varnames) }
+  /* GNU DWARF 2 extensions */
+  .debug_gnu_pubnames 0 : { *(.debug_gnu_pubnames) }
+  .debug_gnu_pubtypes 0 : { *(.debug_gnu_pubtypes) }
+  /* DWARF 4 */
+  .debug_types        0 : { *(.debug_types) }
+  /* DWARF 5 */
+  .debug_addr         0 : { *(.debug_addr) }
+  .debug_line_str     0 : { *(.debug_line_str) }
+  .debug_loclists     0 : { *(.debug_loclists) }
+  .debug_macro        0 : { *(.debug_macro) }
+  .debug_names        0 : { *(.debug_names) }
+  .debug_rnglists     0 : { *(.debug_rnglists) }
+  .debug_str_offsets  0 : { *(.debug_str_offsets) }
+
+  .comment 0 : { *(.comment) }
+  .note.GNU-stack 0: { *(.note.GNU-stack) }
+
+#if CONFIG_IDF_TARGET_ARCH_RISCV
+  .riscv.attributes 0: { *(.riscv.attributes) }
+
+  /DISCARD/ :
+  {
+   /**
+    * Discarding .rela.* sections results in the following mapping:
+    * .rela.text.* -> .text.*
+    * .rela.data.* -> .data.*
+    * And so forth...
+    */
+   *(.rela.*)
+#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
+   *(.eh_frame_hdr)
+   *(.eh_frame)
+#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
+  }
+#elif CONFIG_IDF_TARGET_ARCH_XTENSA
+/**
+ * .xt.prop and .xt.lit sections will be used by the debugger and disassembler
+ * to get more information about raw data present in the code.
+ * Indeed, it may be required to add some padding at some points in the code
+ * in order to align a branch/jump destination on a particular bound.
+ * Padding these instructions will generate null bytes that shall be
+ * interpreted as data, and not code by the debugger or disassembler.
+ * This section will only be present in the ELF file, not in the final binary
+ * For more details, check GCC-212
+ */
+  .xtensa.info 0: { *(.xtensa.info) }
+  .xt.prop 0 : { *(.xt.prop .xt.prop.* .gnu.linkonce.prop.*) }
+  .xt.lit 0 : { *(.xt.lit .xt.lit.* .gnu.linkonce.p.*) }
+
+  /DISCARD/ :
+  {
+   *(.fini)
+   *(.eh_frame_hdr)
+#if !CONFIG_COMPILER_CXX_EXCEPTIONS
+   *(.eh_frame)
+#endif // !CONFIG_COMPILER_CXX_EXCEPTIONS
+  }
+#else
+  #error "Target architecture is not supported!"
+#endif

components/esp_system/ld/esp32/sections.ld.in

@@ -218,6 +218,7 @@ SECTIONS
     *(.UserEnter.literal);
     *(.UserEnter.text);
     . = ALIGN (16);
+    *(.entry.literal)
     *(.entry.text)
     *(.init.literal)
     *(.init)
@@ -490,33 +491,7 @@ SECTIONS
     ALIGNED_SYMBOL(8, _heap_low_start)
   } > dram0_0_seg
 
-  /**
+#include "elf_misc.ld.in"
-   * This section will be used by the debugger and disassembler to get more
-   * information about raw data present in the code.
-   * Indeed, it may be required to add some padding at some points in the code
-   * in order to align a branch/jump destination on a particular bound.
-   * Padding these instructions will generate null bytes that shall be
-   * interpreted as data, and not code by the debugger or disassembler.
-   * This section will only be present in the ELF file, not in the final binary
-   * For more details, check GCC-212
-   */
-  .xt.prop 0 :
-  {
-    KEEP (*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*))
-  }
-
-  .xt.lit 0 :
-  {
-    KEEP (*(.xt.lit .xt.lit.* .gnu.linkonce.p.*))
-  }
-
-  /DISCARD/ :
-  {
-   *(.eh_frame_hdr)
-#if !CONFIG_COMPILER_CXX_EXCEPTIONS
-   *(.eh_frame)
-#endif // !CONFIG_COMPILER_CXX_EXCEPTIONS
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),

components/esp_system/ld/esp32c2/sections.ld.in

@@ -345,20 +345,7 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > dram0_0_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),

components/esp_system/ld/esp32c3/sections.ld.in

@@ -457,20 +457,7 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > dram0_0_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),

components/esp_system/ld/esp32c5/beta3/sections.ld.in

@@ -448,20 +448,7 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > dram0_0_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),

components/esp_system/ld/esp32c5/mp/sections.ld.in

@@ -448,20 +448,7 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > sram_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(sram_seg)) <= LENGTH(sram_seg)),

components/esp_system/ld/esp32c6/sections.ld.in

@@ -438,18 +438,5 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > sram_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }

components/esp_system/ld/esp32c61/sections.ld.in

@@ -448,20 +448,7 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > sram_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(sram_seg)) <= LENGTH(sram_seg)),

components/esp_system/ld/esp32h2/sections.ld.in

@@ -438,18 +438,5 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start)
   } > sram_seg
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }

components/esp_system/ld/esp32p4/sections.ld.in

@@ -514,18 +514,5 @@ SECTIONS
     ALIGNED_SYMBOL(16, _heap_start_high)
   } > sram_high
 
-  /DISCARD/ :
+#include "elf_misc.ld.in"
-  {
-   /**
-    * Discarding .rela.* sections results in the following mapping:
-    * .rela.text.* -> .text.*
-    * .rela.data.* -> .data.*
-    * And so forth...
-    */
-   *(.rela.*)
-#if !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-   *(.eh_frame_hdr)
-   *(.eh_frame)
-#endif // !(CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME)
-  }
 }

components/esp_system/ld/esp32s2/sections.ld.in

@@ -204,6 +204,7 @@ SECTIONS
     *(.UserEnter.literal);
     *(.UserEnter.text);
     . = ALIGN (16);
+    *(.entry.literal)
     *(.entry.text)
     *(.init.literal)
     *(.init)
@@ -454,33 +455,7 @@ SECTIONS
     ALIGNED_SYMBOL(8, _heap_low_start)
   } > dram0_0_seg
 
-  /**
+#include "elf_misc.ld.in"
-   * This section will be used by the debugger and disassembler to get more
-   * information about raw data present in the code.
-   * Indeed, it may be required to add some padding at some points in the code
-   * in order to align a branch/jump destination on a particular bound.
-   * Padding these instructions will generate null bytes that shall be
-   * interpreted as data, and not code by the debugger or disassembler.
-   * This section will only be present in the ELF file, not in the final binary
-   * For more details, check GCC-212
-   */
-  .xt.prop 0 :
-  {
-    KEEP (*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*))
-  }
-
-  .xt.lit 0 :
-  {
-    KEEP (*(.xt.lit .xt.lit.* .gnu.linkonce.p.*))
-  }
-
-  /DISCARD/ :
-  {
-   *(.eh_frame_hdr)
-#if !CONFIG_COMPILER_CXX_EXCEPTIONS
-   *(.eh_frame)
-#endif // !CONFIG_COMPILER_CXX_EXCEPTIONS
-  }
 }
 
 ASSERT(((_iram_text_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),

components/esp_system/ld/esp32s3/sections.ld.in

@@ -20,7 +20,7 @@ SECTIONS
     ALIGNED_SYMBOL(4, _rtc_fast_start)
     ALIGNED_SYMBOL(4, _rtc_text_start)
 
-    *(.rtc.entry.text)
+    *(.rtc.entry.literal .rtc.entry.text)
 
     mapping[rtc_text]
 
@@ -187,6 +187,7 @@ SECTIONS
     *(.UserEnter.literal);
     *(.UserEnter.text);
     . = ALIGN (16);
+    *(.entry.literal)
     *(.entry.text)
     *(.init.literal)
     *(.init)
@@ -487,33 +488,7 @@ SECTIONS
     ALIGNED_SYMBOL(8, _heap_low_start)
   } > dram0_0_seg
 
-  /**
+#include "elf_misc.ld.in"
-   * This section will be used by the debugger and disassembler to get more
-   * information about raw data present in the code.
-   * Indeed, it may be required to add some padding at some points in the code
-   * in order to align a branch/jump destination on a particular bound.
-   * Padding these instructions will generate null bytes that shall be
-   * interpreted as data, and not code by the debugger or disassembler.
-   * This section will only be present in the ELF file, not in the final binary
-   * For more details, check GCC-212
-   */
-  .xt.prop 0 :
-  {
-    KEEP (*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*))
-  }
-
-  .xt.lit 0 :
-  {
-    KEEP (*(.xt.lit .xt.lit.* .gnu.linkonce.p.*))
-  }
-
-  /DISCARD/ :
-  {
-   *(.eh_frame_hdr)
-#if !CONFIG_COMPILER_CXX_EXCEPTIONS
-   *(.eh_frame)
-#endif // !CONFIG_COMPILER_CXX_EXCEPTIONS
-  }
 }
 
 ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),

tools/cmake/project.cmake

@@ -67,7 +67,7 @@ idf_build_set_property(__COMPONENT_MANAGER_INTERFACE_VERSION 2)
 # Parse and store the VERSION argument provided to the project() command.
 #
 function(__parse_and_store_version_arg)
-    # The project_name is the fisrt argument that was passed to the project() command
+    # The project_name is the first argument that was passed to the project() command
     set(project_name ${ARGV0})
 
     # Parse other arguments passed to the project() call
@@ -663,7 +663,7 @@ macro(project project_name)
     # 3. git describe if the project is in a git repository
     # 4. Default to 1 if none of the above conditions are true
     #
-    # PS: PROJECT_VER will get overidden later if CONFIG_APP_PROJECT_VER_FROM_CONFIG is defined.
+    # PS: PROJECT_VER will get overridden later if CONFIG_APP_PROJECT_VER_FROM_CONFIG is defined.
     #     See components/esp_app_format/CMakeLists.txt.
     if(NOT DEFINED PROJECT_VER)
         # Read the version information from the version.txt file if it is present
@@ -825,6 +825,10 @@ macro(project project_name)
             # Do not print RWX segment warnings
             target_link_options(${project_elf} PRIVATE "-Wl,--no-warn-rwx-segments")
         endif()
+        if(CONFIG_ESP_ORPHAN_SECTION_WARNING)
+            # Print warnings if orphan sections are found
+            target_link_options(${project_elf} PRIVATE "-Wl,--orphan-handling=warn")
+        endif()
         unset(idf_target)
     endif()
 

tools/idf_py_actions/hints.yml

@@ -426,3 +426,7 @@
 -
     re: "implicit declaration of function '(opendir|readdir|telldir|seekdir|rewinddir|closedir|readdir_r|scandir|alphasort)'"
     hint: "Please include <dirent.h> (not <sys/dirent.h>)"
+
+-
+    re: "unplaced orphan section"
+    hint: "Avoid creating custom sections. Please refer to the 'Linker Script Generation' article in the IDF documentation to address this. Or set option CONFIG_COMPILER_ORPHAN_SECTIONS_PLACE (not recommended)."

tools/test_apps/system/g0_components/sdkconfig.defaults

@@ -0,0 +1,3 @@
+# G0 components test does not use IDF's linker scripts, so stray sections could exist.
+# Suppress linker's messages about orphan sections.
+CONFIG_COMPILER_ORPHAN_SECTIONS_PLACE=y