esp-idf/components/esp32/ld/esp32.common.ld

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/* Default entry point: */
ENTRY(call_start_cpu0);
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SECTIONS
{
/* RTC fast memory holds RTC wake stub code,
including from any source file named rtc_wake_stub*.c
*/
.rtc.text :
{
. = ALIGN(4);
*(.rtc.literal .rtc.text)
*rtc_wake_stub*.o(.literal .text .literal.* .text.*)
} >rtc_iram_seg
/* RTC slow memory holds RTC wake stub
data/rodata, including from any source file
named rtc_wake_stub*.c
*/
.rtc.data :
{
_rtc_data_start = ABSOLUTE(.);
*(.rtc.data)
*(.rtc.rodata)
*rtc_wake_stub*.o(.data .rodata .data.* .rodata.* .bss .bss.*)
_rtc_data_end = ABSOLUTE(.);
} > rtc_slow_seg
/* RTC bss, from any source file named rtc_wake_stub*.c */
.rtc.bss (NOLOAD) :
{
_rtc_bss_start = ABSOLUTE(.);
*rtc_wake_stub*.o(.bss .bss.*)
*rtc_wake_stub*.o(COMMON)
_rtc_bss_end = ABSOLUTE(.);
} > rtc_slow_seg
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/* Send .iram0 code to iram */
.iram0.vectors :
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{
/* Vectors go to IRAM */
_init_start = ABSOLUTE(.);
/* Vectors according to builds/RF-2015.2-win32/esp108_v1_2_s5_512int_2/config.html */
. = 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;
*(.*Vector.literal)
*(.UserEnter.literal);
*(.UserEnter.text);
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)
_init_end = ABSOLUTE(.);
/* This goes here, not at top of linker script, so addr2line finds it last,
and uses it in preference to the first symbol in IRAM */
_iram_start = ABSOLUTE(0);
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} > iram0_0_seg
.iram0.text :
{
/* Code marked as runnning out of IRAM */
_iram_text_start = ABSOLUTE(.);
*(.iram1 .iram1.*)
*libfreertos.a:(.literal .text .literal.* .text.*)
*libheap.a:multi_heap.o(.literal .text .literal.* .text.*)
*libheap.a:multi_heap_poisoning.o(.literal .text .literal.* .text.*)
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*libesp32.a:panic.o(.literal .text .literal.* .text.*)
*libesp32.a:core_dump.o(.literal .text .literal.* .text.*)
*libapp_trace.a:(.literal .text .literal.* .text.*)
*libxtensa-debug-module.a:eri.o(.literal .text .literal.* .text.*)
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*librtc.a:(.literal .text .literal.* .text.*)
*libsoc.a:(.literal .text .literal.* .text.*)
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*libhal.a:(.literal .text .literal.* .text.*)
*libgcc.a:lib2funcs.o(.literal .text .literal.* .text.*)
*libspi_flash.a:spi_flash_rom_patch.o(.literal .text .literal.* .text.*)
*libgcov.a:(.literal .text .literal.* .text.*)
INCLUDE esp32.spiram.rom-functions-iram.ld
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_iram_text_end = ABSOLUTE(.);
} > iram0_0_seg
.dram0.data :
{
_data_start = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
*(.data1)
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
*(.jcr)
*(.dram1 .dram1.*)
*libesp32.a:panic.o(.rodata .rodata.*)
*libphy.a:(.rodata .rodata.*)
*libsoc.a:rtc_clk.o(.rodata .rodata.*)
*libapp_trace.a:(.rodata .rodata.*)
*libgcov.a:(.rodata .rodata.*)
*libheap.a:multi_heap.o(.rodata .rodata.*)
*libheap.a:multi_heap_poisoning.o(.rodata .rodata.*)
INCLUDE esp32.spiram.rom-functions-dram.ld
_data_end = ABSOLUTE(.);
. = ALIGN(4);
} >dram0_0_seg
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/* Shared RAM */
.dram0.bss (NOLOAD) :
{
. = ALIGN (8);
_bss_start = ABSOLUTE(.);
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.gnu.linkonce.sb.*)
*(.scommon)
*(.sbss2)
*(.sbss2.*)
*(.gnu.linkonce.sb2.*)
*(.dynbss)
*(.bss)
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*(.bss.*)
*(.share.mem)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN (8);
_bss_end = ABSOLUTE(.);
_heap_start = ABSOLUTE(.);
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} >dram0_0_seg
.flash.rodata :
{
_rodata_start = ABSOLUTE(.);
*(.rodata)
*(.rodata.*)
*(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */
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*(.gnu.linkonce.r.*)
*(.rodata1)
__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
*(.xt_except_table)
*(.gcc_except_table .gcc_except_table.*)
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*(.gnu.linkonce.e.*)
*(.gnu.version_r)
. = (. + 3) & ~ 3;
__eh_frame = ABSOLUTE(.);
KEEP(*(.eh_frame))
. = (. + 7) & ~ 3;
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/* C++ constructor and destructor tables, properly ordered: */
__init_array_start = ABSOLUTE(.);
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__init_array_end = ABSOLUTE(.);
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .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)
_rodata_end = ABSOLUTE(.);
/* Literals are also RO data. */
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_lit4_start = ABSOLUTE(.);
*(*.lit4)
*(.lit4.*)
*(.gnu.linkonce.lit4.*)
_lit4_end = ABSOLUTE(.);
. = ALIGN(4);
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_thread_local_start = ABSOLUTE(.);
*(.tdata)
*(.tdata.*)
*(.tbss)
*(.tbss.*)
_thread_local_end = ABSOLUTE(.);
. = ALIGN(4);
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} >drom0_0_seg
.flash.text :
{
_stext = .;
_text_start = ABSOLUTE(.);
*(.literal .text .literal.* .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(.);
_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);
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} >iram0_2_seg
}