esp-idf/components/esp32c3/ld/esp32c3.project.ld.in
2020-12-11 11:44:01 +08:00

396 lines
11 KiB
Plaintext

/* 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);
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(.);
_coredump_rtc_fast_start = ABSOLUTE(.);
mapping[rtc_fast_coredump]
_coredump_rtc_fast_end = ABSOLUTE(.);
*(.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_ESP32C3_RTCDATA_IN_FAST_MEM option.
*/
.rtc.data :
{
_rtc_data_start = ABSOLUTE(.);
/* coredump mapping */
_coredump_rtc_start = ABSOLUTE(.);
mapping[rtc_coredump]
_coredump_rtc_end = ABSOLUTE(.);
/* should be placed after coredump mapping */
mapping[rtc_data]
*rtc_wake_stub*.*(.data .rodata .data.* .rodata.* .bss .bss.*)
_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_ESP32C3_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
/* 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.")
.iram0.text :
{
_iram_start = ABSOLUTE(.);
/* Vectors go to start of IRAM */
ASSERT(ABSOLUTE(.) % 0x100 == 0, "vector address must be 256 byte aligned");
KEEP(*(.exception_vectors.text));
. = ALIGN(4);
_invalid_pc_placeholder = ABSOLUTE(.);
/* Code marked as running out of IRAM */
_iram_text_start = ABSOLUTE(.);
mapping[iram0_text]
} > iram0_0_seg
/**
* This section is required to skip .iram0.text area because iram0_0_seg and
* dram0_0_seg reflect the same address space on different buses.
*/
.dram0.dummy (NOLOAD):
{
. = ORIGIN(dram0_0_seg) + _iram_end - _iram_start;
} > dram0_0_seg
.dram0.data :
{
_data_start = ABSOLUTE(.);
_bt_data_start = ABSOLUTE(.);
*libbt.a:(.data .data.*)
. = ALIGN (4);
_bt_data_end = ABSOLUTE(.);
_btdm_data_start = ABSOLUTE(.);
*libbtdm_app.a:(.data .data.*)
. = ALIGN (4);
_btdm_data_end = ABSOLUTE(.);
_nimble_data_start = ABSOLUTE(.);
*libnimble.a:(.data .data.*)
. = ALIGN (4);
_nimble_data_end = ABSOLUTE(.);
*(.gnu.linkonce.d.*)
*(.data1)
__global_pointer$ = . + 0x800;
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
*(.jcr)
/* coredump mapping */
_coredump_dram_start = ABSOLUTE(.);
mapping[dram_coredump]
_coredump_dram_end = ABSOLUTE(.);
/* should be placed after coredump mapping */
_esp_system_init_fn_array_start = ABSOLUTE(.);
KEEP (*(SORT(.esp_system_init_fn) SORT(.esp_system_init_fn.*)))
_esp_system_init_fn_array_end = ABSOLUTE(.);
mapping[dram0_data]
_data_end = ABSOLUTE(.);
. = ALIGN(4);
} > dram0_0_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
/* Shared RAM */
.dram0.bss (NOLOAD) :
{
. = ALIGN (8);
_bss_start = ABSOLUTE(.);
_bt_bss_start = ABSOLUTE(.);
*libbt.a:(.bss .bss.* COMMON)
. = ALIGN (4);
_bt_bss_end = ABSOLUTE(.);
_btdm_bss_start = ABSOLUTE(.);
*libbtdm_app.a:(.bss .bss.* COMMON)
. = ALIGN (4);
_btdm_bss_end = ABSOLUTE(.);
_nimble_bss_start = ABSOLUTE(.);
*libnimble.a:(.bss .bss.* COMMON)
. = ALIGN (4);
_nimble_bss_end = ABSOLUTE(.);
mapping[dram0_bss]
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.gnu.linkonce.sb.*)
*(.scommon)
*(.sbss2)
*(.sbss2.*)
*(.gnu.linkonce.sb2.*)
*(.dynbss)
*(.share.mem)
*(.gnu.linkonce.b.*)
. = 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.text :
{
_stext = .;
_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 */
*(.fini.literal)
*(.fini)
*(.gnu.version)
_text_end = ABSOLUTE(.);
_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
.flash_rodata_dummy (NOLOAD):
{
. = SIZEOF(.flash.text);
. = ALIGN(0x10000) + 0x20;
_rodata_reserved_start = .;
} > drom0_0_seg
/* When modifying the alignment, don't forget to update tls_section_alignment in pxPortInitialiseStack */
.flash.rodata : ALIGN(0x10)
{
_rodata_start = ABSOLUTE(.);
*(.rodata_desc .rodata_desc.*) /* Should be the first. App version info. DO NOT PUT ANYTHING BEFORE IT! */
*(.rodata_custom_desc .rodata_custom_desc.*) /* Should be the second. Custom app version info. DO NOT PUT ANYTHING BEFORE IT! */
mapping[flash_rodata]
*(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */
*(.gnu.linkonce.r.*)
*(.rodata1)
__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
*(.xt_except_table)
*(.gcc_except_table .gcc_except_table.*)
*(.gnu.linkonce.e.*)
*(.gnu.version_r)
. = (. + 3) & ~ 3;
__eh_frame = ABSOLUTE(.);
KEEP(*(.eh_frame))
. = (. + 7) & ~ 3;
/* C++ constructor and destructor tables */
/* Don't include anything from crtbegin.o or crtend.o, as IDF doesn't use toolchain crt */
__init_array_start = ABSOLUTE(.);
KEEP (*(EXCLUDE_FILE (*crtend.* *crtbegin.*) .init_array .ctors .ctors.*))
__init_array_end = ABSOLUTE(.);
KEEP (*crtbegin.*(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.*) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/* C++ exception handlers table: */
__XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
*(.xt_except_desc)
*(.gnu.linkonce.h.*)
__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
*(.xt_except_desc_end)
*(.dynamic)
*(.gnu.version_d)
/* Addresses of memory regions reserved via SOC_RESERVE_MEMORY_REGION() */
soc_reserved_memory_region_start = ABSOLUTE(.);
KEEP (*(.reserved_memory_address))
soc_reserved_memory_region_end = ABSOLUTE(.);
_rodata_end = ABSOLUTE(.);
/* Literals are also RO data. */
_lit4_start = ABSOLUTE(.);
*(*.lit4)
*(.lit4.*)
*(.gnu.linkonce.lit4.*)
_lit4_end = ABSOLUTE(.);
. = ALIGN(4);
_thread_local_start = ABSOLUTE(.);
*(.tdata)
*(.tdata.*)
*(.tbss)
*(.tbss.*)
*(.srodata)
*(.srodata.*)
_thread_local_end = ABSOLUTE(.);
_rodata_reserved_end = ABSOLUTE(.);
. = ALIGN(4);
} > default_rodata_seg
/* Marks the end of IRAM code segment */
.iram0.text_end (NOLOAD) :
{
. = ALIGN (16);
_iram_text_end = ABSOLUTE(.);
} > iram0_0_seg
.iram0.data :
{
. = ALIGN(16);
_iram_data_start = ABSOLUTE(.);
/* coredump mapping */
_coredump_iram_start = ABSOLUTE(.);
mapping[iram_coredump]
_coredump_iram_end = ABSOLUTE(.);
/* should be placed after coredump mapping */
mapping[iram0_data]
_iram_data_end = ABSOLUTE(.);
} > iram0_0_seg
.iram0.bss (NOLOAD) :
{
. = ALIGN(16);
_iram_bss_start = ABSOLUTE(.);
mapping[iram0_bss]
_iram_bss_end = ABSOLUTE(.);
. = ALIGN(16);
_iram_end = ABSOLUTE(.);
} > iram0_0_seg
/* Marks the end of data, bss and possibly rodata */
.dram0.heap_start (NOLOAD) :
{
. = ALIGN (16);
_heap_start = ABSOLUTE(.);
} > dram0_0_seg
}
ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),
"IRAM0 segment data does not fit.")
ASSERT(((_heap_start - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)),
"DRAM segment data does not fit.")