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authorpants <niklasjo2004@gmail.com>2026-09-21 14:16:49 -0700
committerpants <niklasjo2004@gmail.com>2026-09-21 14:16:49 -0700
commita203dd13618db523d38daca82c608b285bc21c8f (patch)
tree4a2cfc861248415d07f7c834557d36224ec00694 /blink/build/esp-idf/esp_system/ld/sections.ld.in
Diffstat (limited to 'blink/build/esp-idf/esp_system/ld/sections.ld.in')
-rw-r--r--blink/build/esp-idf/esp_system/ld/sections.ld.in528
1 files changed, 528 insertions, 0 deletions
diff --git a/blink/build/esp-idf/esp_system/ld/sections.ld.in b/blink/build/esp-idf/esp_system/ld/sections.ld.in
new file mode 100644
index 0000000..90fe8a0
--- /dev/null
+++ b/blink/build/esp-idf/esp_system/ld/sections.ld.in
@@ -0,0 +1,528 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/*
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/*
+ * Automatically generated file. DO NOT EDIT.
+ * Espressif IoT Development Framework (ESP-IDF) 5.5.1 Configuration Header
+ */
+
+/* List of deprecated options */
+/* CPU instruction prefetch padding size for flash mmap scenario */
+/*
+ * PMP region granularity size
+ * Software may determine the PMP granularity by writing zero to pmp0cfg, then writing all ones
+ * to pmpaddr0, then reading back pmpaddr0. If G is the index of the least-significant bit set,
+ * the PMP granularity is 2^G+2 bytes.
+ */
+/* CPU instruction prefetch padding size for memory protection scenario */
+/* Memory alignment size for PMS */
+ /* rtc timer data (s_rtc_timer_retain_mem, see esp_clk.c files). For rtc_timer_data_in_rtc_mem section. */
+/* Default entry point */
+ENTRY(call_start_cpu0);
+SECTIONS
+{
+ /**
+ * RTC fast memory holds RTC wake stub code,
+ * including from any source file named rtc_wake_stub*.c
+ */
+ .rtc.text :
+ {
+
+ . = ALIGN(4);
+ _rtc_text_start = ABSOLUTE(.);
+ mapping[rtc_text]
+ *rtc_wake_stub*.*(.literal .text .literal.* .text.*)
+ _rtc_text_end = ABSOLUTE(.);
+ } > rtc_iram_seg
+ /**
+ * This section is required to skip rtc.text area because rtc_iram_seg and
+ * rtc_data_seg are reflect the same address space on different buses.
+ */
+ .rtc.dummy :
+ {
+ _rtc_dummy_start = ABSOLUTE(.);
+ _rtc_fast_start = ABSOLUTE(.);
+ . = SIZEOF(.rtc.text);
+ _rtc_dummy_end = ABSOLUTE(.);
+ } > rtc_data_seg
+ /**
+ * This section located in RTC FAST Memory area.
+ * It holds data marked with RTC_FAST_ATTR attribute.
+ * See the file "esp_attr.h" for more information.
+ */
+ .rtc.force_fast :
+ {
+
+ . = ALIGN(4);
+ _rtc_force_fast_start = ABSOLUTE(.);
+ mapping[rtc_force_fast]
+ *(.rtc.force_fast .rtc.force_fast.*)
+
+ . = ALIGN(4);
+ _rtc_force_fast_end = ABSOLUTE(.);
+ } > rtc_data_seg
+ /**
+ * RTC data section holds RTC wake stub
+ * data/rodata, including from any source file
+ * named rtc_wake_stub*.c and the data marked with
+ * RTC_DATA_ATTR, RTC_RODATA_ATTR attributes.
+ * The memory location of the data is dependent on
+ * CONFIG_ESP32_RTCDATA_IN_FAST_MEM option.
+ */
+ .rtc.data :
+ {
+ _rtc_data_start = ABSOLUTE(.);
+ mapping[rtc_data]
+ *rtc_wake_stub*.*(.data .rodata .data.* .rodata.*)
+ _rtc_data_end = ABSOLUTE(.);
+ } > rtc_data_location
+ /* RTC bss, from any source file named rtc_wake_stub*.c */
+ .rtc.bss (NOLOAD) :
+ {
+ _rtc_bss_start = ABSOLUTE(.);
+ *rtc_wake_stub*.*(.bss .bss.*)
+ *rtc_wake_stub*.*(COMMON)
+ mapping[rtc_bss]
+ _rtc_bss_end = ABSOLUTE(.);
+ } > rtc_data_location
+ /**
+ * This section holds data that should not be initialized at power up
+ * and will be retained during deep sleep.
+ * User data marked with RTC_NOINIT_ATTR will be placed
+ * into this section. See the file "esp_attr.h" for more information.
+ * The memory location of the data is dependent on
+ * CONFIG_ESP32_RTCDATA_IN_FAST_MEM option.
+ */
+ .rtc_noinit (NOLOAD):
+ {
+
+ . = ALIGN(4);
+ _rtc_noinit_start = ABSOLUTE(.);
+ *(.rtc_noinit .rtc_noinit.*)
+
+ . = ALIGN(4);
+ _rtc_noinit_end = ABSOLUTE(.);
+ } > rtc_data_location
+ /**
+ * This section located in RTC SLOW Memory area.
+ * It holds data marked with RTC_SLOW_ATTR attribute.
+ * See the file "esp_attr.h" for more information.
+ */
+ .rtc.force_slow :
+ {
+
+ . = ALIGN(4);
+ _rtc_force_slow_start = ABSOLUTE(.);
+ *(.rtc.force_slow .rtc.force_slow.*)
+
+ . = ALIGN(4);
+ _rtc_force_slow_end = ABSOLUTE(.);
+ } > rtc_slow_seg
+ /**
+ * This section holds RTC FAST data that should have fixed addresses.
+ * The data are not initialized at power-up and are retained during deep
+ * sleep.
+ */
+ .rtc_fast_reserved (NOLOAD):
+ {
+
+ . = ALIGN(4);
+ _rtc_fast_reserved_start = ABSOLUTE(.);
+ /**
+ * New data can only be added here to ensure existing data are not moved.
+ * Because data have adhered to the end of the segment and code is relied
+ * on it.
+ * >> put new data here <<
+ */
+ KEEP(*(.bootloader_data_rtc_mem .bootloader_data_rtc_mem.*))
+ _rtc_fast_reserved_end = ABSOLUTE(.);
+ } > rtc_fast_reserved_seg
+ _rtc_fast_reserved_length = _rtc_fast_reserved_end - _rtc_fast_reserved_start;
+ ASSERT((_rtc_fast_reserved_length <= LENGTH(rtc_fast_reserved_seg)),
+ "RTC FAST reserved segment data does not fit.")
+ /**
+ * This section holds RTC SLOW data that should have fixed addresses.
+ * The data are not initialized at power-up and are retained during deep
+ * sleep.
+ */
+ .rtc_slow_reserved (NOLOAD):
+ {
+
+ . = ALIGN(4);
+ _rtc_slow_reserved_start = ABSOLUTE(.);
+ /**
+ * New data can only be added here to ensure existing data are not moved.
+ * Because data have adhered to the end of the segment and code is relied
+ * on it.
+ * >> put new data here <<
+ */
+ *(.rtc_timer_data_in_rtc_mem .rtc_timer_data_in_rtc_mem.*)
+ _rtc_slow_reserved_end = ABSOLUTE(.);
+ } > rtc_slow_reserved_seg
+ _rtc_slow_reserved_length = _rtc_slow_reserved_end - _rtc_slow_reserved_start;
+ _rtc_reserved_length = _rtc_slow_reserved_length;
+ ASSERT((_rtc_slow_reserved_length <= LENGTH(rtc_slow_reserved_seg)),
+ "RTC SLOW reserved segment data does not fit.")
+ /* Get size of rtc slow data based on rtc_data_location alias */
+ _rtc_slow_length = (ORIGIN(rtc_slow_seg) == ORIGIN(rtc_data_location))
+ ? (_rtc_force_slow_end - _rtc_data_start)
+ : (_rtc_force_slow_end - _rtc_force_slow_start);
+ _rtc_fast_length = (ORIGIN(rtc_slow_seg) == ORIGIN(rtc_data_location))
+ ? (_rtc_force_fast_end - _rtc_fast_start)
+ : (_rtc_noinit_end - _rtc_fast_start);
+ ASSERT((_rtc_slow_length <= LENGTH(rtc_slow_seg)),
+ "RTC_SLOW segment data does not fit.")
+ ASSERT((_rtc_fast_length <= LENGTH(rtc_data_seg)),
+ "RTC_FAST segment data does not fit.")
+ /* Send .iram0 code to iram */
+ .iram0.vectors :
+ {
+ _iram_start = ABSOLUTE(.);
+ /* Vectors go to IRAM */
+ _vector_table = ABSOLUTE(.);
+ . = 0x0;
+ KEEP(*(.WindowVectors.text));
+ . = 0x180;
+ KEEP(*(.Level2InterruptVector.text));
+ . = 0x1c0;
+ KEEP(*(.Level3InterruptVector.text));
+ . = 0x200;
+ KEEP(*(.Level4InterruptVector.text));
+ . = 0x240;
+ KEEP(*(.Level5InterruptVector.text));
+ . = 0x280;
+ KEEP(*(.DebugExceptionVector.text));
+ . = 0x2c0;
+ KEEP(*(.NMIExceptionVector.text));
+ . = 0x300;
+ KEEP(*(.KernelExceptionVector.text));
+ . = 0x340;
+ KEEP(*(.UserExceptionVector.text));
+ . = 0x3C0;
+ KEEP(*(.DoubleExceptionVector.text));
+ . = 0x400;
+ KEEP(*(._invalid_pc_placeholder.text));
+ *(.*Vector.literal)
+ } > iram0_0_seg
+ .iram0.text :
+ {
+ /* Code marked as running out of IRAM */
+ _iram_text_start = ABSOLUTE(.);
+ mapping[iram0_text]
+ } > iram0_0_seg
+ .dram0.data :
+ {
+ _data_start = ABSOLUTE(.);
+ *(.gnu.linkonce.d.*)
+ *(.data1)
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ *(.gnu.linkonce.s2.*)
+ *(.jcr)
+ mapping[dram0_data]
+ _data_end = ABSOLUTE(.);
+ } > dram0_0_seg
+ /**
+ * This section holds data that won't be initialised when startup.
+ * This section locates in External RAM region.
+ */
+ .ext_ram_noinit (NOLOAD) :
+ {
+ _ext_ram_noinit_start = ABSOLUTE(.);
+ *(.ext_ram_noinit*)
+
+ . = ALIGN(4);
+ _ext_ram_noinit_end = ABSOLUTE(.);
+ } > extern_ram_seg
+ /**
+ * This section holds data that should not be initialized at power up.
+ * The section located in Internal SRAM memory region. The macro _NOINIT
+ * can be used as attribute to place data into this section.
+ * See the "esp_attr.h" file for more information.
+ */
+ .noinit (NOLOAD):
+ {
+
+ . = ALIGN(4);
+ _noinit_start = ABSOLUTE(.);
+ *(.noinit .noinit.*)
+
+ . = ALIGN(4);
+ _noinit_end = ABSOLUTE(.);
+ } > dram0_0_seg
+ /* External Memory BSS. (Variables with EXT_RAM_BSS_ATTR attribute). */
+ .ext_ram.bss (NOLOAD) :
+ {
+
+ . = ALIGN(4);
+ _ext_ram_bss_start = ABSOLUTE(.);
+ mapping[extern_ram]
+
+ . = ALIGN(4);
+ _ext_ram_bss_end = ABSOLUTE(.);
+ } > extern_ram_seg
+ /* Shared RAM */
+ .dram0.bss (NOLOAD) :
+ {
+
+ . = ALIGN(8);
+ _bss_start = ABSOLUTE(.);
+ /**
+ * ldgen places all bss-related data to mapping[dram0_bss]
+ * (See components/esp_system/app.lf).
+ */
+ mapping[dram0_bss]
+
+ . = ALIGN(8);
+ _bss_end = ABSOLUTE(.);
+ } > dram0_0_seg
+ ASSERT(((_bss_end - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)),
+ "DRAM segment data does not fit.")
+ .flash.appdesc : ALIGN(0x10)
+ {
+ /**
+ * Mark flash.rodata start.
+ * This can be used for mmu driver to maintain virtual address
+ */
+ _rodata_reserved_start = ABSOLUTE(.);
+ _rodata_start = ABSOLUTE(.);
+ /* !DO NOT PUT ANYTHING BEFORE THIS! */
+ /* Should be the first. App version info. */
+ *(.rodata_desc .rodata_desc.*)
+ /* Should be the second. Custom app version info. */
+ *(.rodata_custom_desc .rodata_custom_desc.*)
+ /**
+ * Create an empty gap within this section. Thanks to this, the end of this
+ * section will match .flah.rodata's begin address. Thus, both sections
+ * will be merged when creating the final bin image.
+ */
+ . = ALIGN(ALIGNOF(.flash.rodata));
+ } > default_rodata_seg
+ ASSERT((ADDR(.flash.rodata) == ADDR(.flash.appdesc) + SIZEOF(.flash.appdesc)), "The gap between .flash.appdesc and .flash.rodata must not exist to produce the final bin image.")
+ .flash.rodata : ALIGN(0x10)
+ {
+ _flash_rodata_start = ABSOLUTE(.);
+ mapping[flash_rodata]
+ *(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */
+ *(.gnu.linkonce.r.*)
+ *(.rodata1)
+ /* C++ exception handlers table. */
+
+ . = ALIGN(4);
+ __XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
+ *(.xt_except_table)
+ *(.gcc_except_table .gcc_except_table.*)
+ *(.gnu.linkonce.e.*)
+
+ . = ALIGN(4);
+ __XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
+ *(.xt_except_desc)
+ *(.gnu.linkonce.h.*)
+ __XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
+ *(.xt_except_desc_end)
+ /**
+ * C++ constructor tables.
+ *
+ * Excluding crtbegin.o/crtend.o since IDF doesn't use the toolchain crt.
+ */
+
+ . = ALIGN(4);
+ __init_array_start = ABSOLUTE(.);
+ KEEP (*(EXCLUDE_FILE (*crtend.* *crtbegin.*) .ctors SORT(.ctors.*)))
+ __init_array_end = ABSOLUTE(.);
+ /* Addresses of memory regions reserved via SOC_RESERVE_MEMORY_REGION() */
+
+ . = ALIGN(4);
+ soc_reserved_memory_region_start = ABSOLUTE(.);
+ KEEP (*(.reserved_memory_address))
+ soc_reserved_memory_region_end = ABSOLUTE(.);
+ /* System init functions registered via ESP_SYSTEM_INIT_FN */
+
+ . = ALIGN(4);
+ _esp_system_init_fn_array_start = ABSOLUTE(.);
+ KEEP (*(SORT_BY_INIT_PRIORITY(.esp_system_init_fn.*)))
+ _esp_system_init_fn_array_end = ABSOLUTE(.);
+ _rodata_end = ABSOLUTE(.);
+ /* Literals are also RO data. */
+ _lit4_start = ABSOLUTE(.);
+ *(*.lit4)
+ *(.lit4.*)
+ *(.gnu.linkonce.lit4.*)
+ _lit4_end = ABSOLUTE(.);
+ /* TLS data. */
+
+ . = ALIGN(4);
+ _thread_local_start = ABSOLUTE(.);
+ *(.tdata)
+ *(.tdata.*)
+ *(.tbss)
+ *(.tbss.*)
+ _thread_local_end = ABSOLUTE(.);
+ } > default_rodata_seg
+ _flash_rodata_align = ALIGNOF(.flash.rodata);
+ /**
+ * This section contains all the rodata that is not used
+ * at runtime, helping to avoid an increase in binary size.
+ */
+ .flash.rodata_noload (NOLOAD) :
+ {
+ /**
+ * This symbol marks the end of flash.rodata. It can be utilized by the MMU
+ * driver to maintain the virtual address.
+ * NOLOAD rodata may not be included in this section.
+ */
+ _rodata_reserved_end = ABSOLUTE(.);
+ mapping[rodata_noload]
+ } > default_rodata_seg
+ .flash.text :
+ {
+ _stext = .;
+ /**
+ * Mark the start of flash.text.
+ * This can be used by the MMU driver to maintain the virtual address.
+ */
+ _instruction_reserved_start = ABSOLUTE(.);
+ _text_start = ABSOLUTE(.);
+ mapping[flash_text]
+ *(.stub)
+ *(.gnu.warning)
+ *(.gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
+ *(.irom0.text) /* catch stray ICACHE_RODATA_ATTR */
+ /**
+ * 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;
+ _text_end = ABSOLUTE(.);
+ /**
+ * Mark the flash.text end.
+ * This can be used for MMU driver to maintain virtual address.
+ */
+ _instruction_reserved_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);
+ } > default_code_seg
+ /* Marks the end of IRAM code segment */
+ .iram0.text_end (NOLOAD) :
+ {
+
+ . = ALIGN(4);
+ _iram_text_end = ABSOLUTE(.);
+ } > iram0_0_seg
+ .iram0.data :
+ {
+
+ . = ALIGN(4);
+ _iram_data_start = ABSOLUTE(.);
+ mapping[iram0_data]
+ _iram_data_end = ABSOLUTE(.);
+ } > iram0_0_seg
+ .iram0.bss (NOLOAD) :
+ {
+
+ . = ALIGN(4);
+ _iram_bss_start = ABSOLUTE(.);
+ mapping[iram0_bss]
+ _iram_bss_end = ABSOLUTE(.);
+
+ . = ALIGN(4);
+ _iram_end = ABSOLUTE(.);
+ } > iram0_0_seg
+ /* Marks the end of data, bss and possibly rodata */
+ .dram0.heap_start (NOLOAD) :
+ {
+ /* Lowest possible start address for the heap */
+
+ . = ALIGN(8);
+ _heap_low_start = ABSOLUTE(.);
+ } > dram0_0_seg
+ /**
+ * 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) :
+ {
+ _noload_keep_in_elf_start = ABSOLUTE(.);
+ KEEP(*(.noload_keep_in_elf .noload_keep_in_elf.*))
+ mapping[noload_keep_in_elf]
+ _noload_keep_in_elf_end = ABSOLUTE(.);
+ }
+ /* 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) }
+/**
+ * .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)
+ *(.eh_frame)
+ }
+}
+ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),
+ "IRAM0 segment data does not fit.")
+ASSERT(((_heap_low_start - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)),
+ "DRAM segment data does not fit.")